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overflow: hidden; text-overflow: ellipsis; -webkit-line-clamp: 3; -webkit-box-orient: vertical; }</style><div class="col-xs-12 clearfix"><div class="u-floatLeft"><h1 class="PageHeader-title u-m0x u-fs30">Ecological Stoichiometry</h1><div class="u-tcGrayDark">45 Followers</div><div class="u-tcGrayDark u-mt2x">Recent papers in <b>Ecological Stoichiometry</b></div></div></div></div></div></div><div class="TabbedNavigation"><div class="container"><div class="row"><div class="col-xs-12 clearfix"><ul class="nav u-m0x u-p0x list-inline u-displayFlex"><li class="active"><a href="https://www.academia.edu/Documents/in/Ecological_Stoichiometry">Top Papers</a></li><li><a href="https://www.academia.edu/Documents/in/Ecological_Stoichiometry/MostCited">Most Cited Papers</a></li><li><a href="https://www.academia.edu/Documents/in/Ecological_Stoichiometry/MostDownloaded">Most Downloaded Papers</a></li><li><a href="https://www.academia.edu/Documents/in/Ecological_Stoichiometry/MostRecent">Newest Papers</a></li><li><a class="" href="https://www.academia.edu/People/Ecological_Stoichiometry">People</a></li></ul></div><style type="text/css">ul.nav{flex-direction:row}@media(max-width: 567px){ul.nav{flex-direction:column}.TabbedNavigation li{max-width:100%}.TabbedNavigation li.active{background-color:var(--background-grey, #dddde2)}.TabbedNavigation li.active:before,.TabbedNavigation li.active:after{display:none}}</style></div></div></div><div class="container"><div class="row"><div class="col-xs-12"><div class="u-displayFlex"><div class="u-flexGrow1"><div class="works"><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_16805134" data-work_id="16805134" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/16805134/Variation_in_leaf_nitrogen_and_phosphorus_stoichiometry_in_Picea_abies_across_Europe_An_analysis_based_on_local_observations">Variation in leaf nitrogen and phosphorus stoichiometry in Picea abies across Europe: An analysis based on local observations</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Nitrogen (N) and phosphorus (P) and N: P ratio in terrestrial plants and the patterns at a large geographical scale are an important issue in ecological stoichiometry. In particular, it is essential to know that for a single species, how... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_16805134" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Nitrogen (N) and phosphorus (P) and N: P ratio in terrestrial plants and the patterns at a large geographical scale are an important issue in ecological stoichiometry. In particular, it is essential to know that for a single species, how the N: P stoichiometry varies with climatic ...</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/16805134" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="a0e667ef45afe64bf2e74b50cb97998e" rel="nofollow" data-download="{"attachment_id":42394709,"asset_id":16805134,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/42394709/download_file?st=MTc0MDg3MzI0Niw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="8159101" href="https://helsinki.academia.edu/Bj%C3%B6rnBerg">Björn Berg</a><script data-card-contents-for-user="8159101" type="text/json">{"id":8159101,"first_name":"Björn","last_name":"Berg","domain_name":"helsinki","page_name":"BjörnBerg","display_name":"Björn Berg","profile_url":"https://helsinki.academia.edu/Bj%C3%B6rnBerg?f_ri=30756","photo":"https://0.academia-photos.com/8159101/5767901/6556178/s65_bj_rn.berg.jpg"}</script></span></span></li><li class="js-paper-rank-work_16805134 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="16805134"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 16805134, container: ".js-paper-rank-work_16805134", }); 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We tested the effects of intrapopulation... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_7149278" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Intraspecific variation in body pigmentation is an ecologically and evolutionary important trait; however, the pigmentation related trade-offs in marine zooplankton are poorly understood. We tested the effects of intrapopulation phenotypic variation in the pigmentation of the copepod Eurytemora affinis on predation risk, foraging, growth, metabolic activity and antioxidant capacity. Using pigmented and unpigmented specimens, we compared (1) predation and selectivity by the invertebrate predator Cercopagis pengoi, (2) feeding activity of the copepods measured as grazing rate in experiments and gut fluorescence in situ, (3) metabolic activity assayed as RNA:DNA ratio in both experimental and field-collected copepods, (4) reproductive output estimated as egg ratio in the population, and (5) total antioxidant capacity. Moreover, mitochondrial DNA (mtDNA) COI gene variation was analysed. The pigmented individuals were at higher predation risk as evidenced by significantly higher predation rate by C. pengoi on pigmented individuals and positive selection by the predator fed pigmented and unpigmented copepods in a mixture. However, the antioxidant capacity, RNA:DNA and egg ratio values were significantly higher in the pigmented copepods, whereas neither feeding rate nor gut fluorescence differed between the pigmented and unpigmented copepods. The phenotypic variation in pigmentation was not associated with any specific mtDNA genotype. Together, these results support the metabolic stimulation hypothesis to explain variation in E. affinis pigmentation, which translates into beneficial increase in growth via enhanced metabolism and antioxidant protective capacity, together with disadvantageous increase in predation risk. We also suggest an alternative mechanism for the metabolic stimulation via elevated antioxidant levels as a primary means of increasing metabolism without the increase in heat absorbance. The observed trade-offs are relevant to evolutionary mechanisms underlying plasticity and adaptation and have the capacity to modify strength of complex trophic interactions. Citation: Gorokhova E, Lehtiniemi M, Motwani NH (2013) Trade-Offs between Predation Risk and Growth Benefits in the Copepod Eurytemora affinis with Contrasting Pigmentation. PLoS ONE 8(8): e71385.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/7149278" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="afba9531a2739e5132a333e27bf88e8a" rel="nofollow" data-download="{"attachment_id":33783994,"asset_id":7149278,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/33783994/download_file?st=MTc0MDg3MzI0Niw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="12342033" href="https://su-se.academia.edu/elenagorokhova">elena gorokhova</a><script data-card-contents-for-user="12342033" type="text/json">{"id":12342033,"first_name":"elena","last_name":"gorokhova","domain_name":"su-se","page_name":"elenagorokhova","display_name":"elena gorokhova","profile_url":"https://su-se.academia.edu/elenagorokhova?f_ri=30756","photo":"https://0.academia-photos.com/12342033/10463660/11675401/s65_elena.gorokhova.jpg"}</script></span></span></li><li class="js-paper-rank-work_7149278 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="7149278"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 7149278, container: ".js-paper-rank-work_7149278", }); 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however, the pigmentation related trade-offs in marine zooplankton are poorly understood. We tested the effects of intrapopulation phenotypic variation in the pigmentation of the copepod Eurytemora affinis on predation risk, foraging, growth, metabolic activity and antioxidant capacity. Using pigmented and unpigmented specimens, we compared (1) predation and selectivity by the invertebrate predator Cercopagis pengoi, (2) feeding activity of the copepods measured as grazing rate in experiments and gut fluorescence in situ, (3) metabolic activity assayed as RNA:DNA ratio in both experimental and field-collected copepods, (4) reproductive output estimated as egg ratio in the population, and (5) total antioxidant capacity. Moreover, mitochondrial DNA (mtDNA) COI gene variation was analysed. The pigmented individuals were at higher predation risk as evidenced by significantly higher predation rate by C. pengoi on pigmented individuals and positive selection by the predator fed pigmented and unpigmented copepods in a mixture. However, the antioxidant capacity, RNA:DNA and egg ratio values were significantly higher in the pigmented copepods, whereas neither feeding rate nor gut fluorescence differed between the pigmented and unpigmented copepods. The phenotypic variation in pigmentation was not associated with any specific mtDNA genotype. Together, these results support the metabolic stimulation hypothesis to explain variation in E. affinis pigmentation, which translates into beneficial increase in growth via enhanced metabolism and antioxidant protective capacity, together with disadvantageous increase in predation risk. We also suggest an alternative mechanism for the metabolic stimulation via elevated antioxidant levels as a primary means of increasing metabolism without the increase in heat absorbance. The observed trade-offs are relevant to evolutionary mechanisms underlying plasticity and adaptation and have the capacity to modify strength of complex trophic interactions. Citation: Gorokhova E, Lehtiniemi M, Motwani NH (2013) Trade-Offs between Predation Risk and Growth Benefits in the Copepod Eurytemora affinis with Contrasting Pigmentation. PLoS ONE 8(8): e71385.","downloadable_attachments":[{"id":33783994,"asset_id":7149278,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":12342033,"first_name":"elena","last_name":"gorokhova","domain_name":"su-se","page_name":"elenagorokhova","display_name":"elena gorokhova","profile_url":"https://su-se.academia.edu/elenagorokhova?f_ri=30756","photo":"https://0.academia-photos.com/12342033/10463660/11675401/s65_elena.gorokhova.jpg"}],"research_interests":[{"id":155,"name":"Evolutionary Biology","url":"https://www.academia.edu/Documents/in/Evolutionary_Biology?f_ri=30756","nofollow":true},{"id":158,"name":"Marine Biology","url":"https://www.academia.edu/Documents/in/Marine_Biology?f_ri=30756","nofollow":true},{"id":3255,"name":"Climate Change Adaptation","url":"https://www.academia.edu/Documents/in/Climate_Change_Adaptation?f_ri=30756","nofollow":true},{"id":9846,"name":"Ecology","url":"https://www.academia.edu/Documents/in/Ecology?f_ri=30756","nofollow":true},{"id":17825,"name":"Biodiversity","url":"https://www.academia.edu/Documents/in/Biodiversity?f_ri=30756"},{"id":29824,"name":"Fitness","url":"https://www.academia.edu/Documents/in/Fitness?f_ri=30756"},{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756"},{"id":192289,"name":"Plankton, Copepods","url":"https://www.academia.edu/Documents/in/Plankton_Copepods?f_ri=30756"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_25489494" data-work_id="25489494" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/25489494/Nutritional_constraints_in_terrestrial_and_freshwater_food_webs">Nutritional constraints in terrestrial and freshwater food webs</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Biological and environmental contrasts between aquatic and terrestrial systems have hindered analyses of community and ecosystem structure across Earth&#39;s diverse habitats. Ecological stoichiometry provides an integrative approach for... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_25489494" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Biological and environmental contrasts between aquatic and terrestrial systems have hindered analyses of community and ecosystem structure across Earth&#39;s diverse habitats. Ecological stoichiometry provides an integrative approach for such analyses, as all organisms are composed of the same major elements (C, N, P) whose balance affects production, nutrient cycling, and food-web dynamics. Here we show both similarities and differences in the C:N:P ratios of primary producers (autotrophs) and invertebrate primary consumers (herbivores) across habitats. Terrestrial food webs are built on an extremely nutrient-poor autotroph base with C:P and C:N ratios higher than in lake particulate matter, although the N:P ratios are nearly identical. Terrestrial herbivores (insects) and their freshwater counterparts (zooplankton) are nutrient-rich and indistinguishable in C:N:P stoichiometry. In both lakes and terrestrial systems, herbivores should have low growth efficiencies (10-30%) when cons...</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/25489494" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="f8e2671875f53687043d49ec68cc9107" rel="nofollow" data-download="{"attachment_id":45806599,"asset_id":25489494,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/45806599/download_file?st=MTc0MDg3MzI0Niw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="38966721" href="https://independent.academia.edu/SusanKilham">Susan Kilham</a><script data-card-contents-for-user="38966721" type="text/json">{"id":38966721,"first_name":"Susan","last_name":"Kilham","domain_name":"independent","page_name":"SusanKilham","display_name":"Susan Kilham","profile_url":"https://independent.academia.edu/SusanKilham?f_ri=30756","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_25489494 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="25489494"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 25489494, container: ".js-paper-rank-work_25489494", }); 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$(".js-view-count[data-work-id=25489494]").text(description); $(".js-view-count-work_25489494").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_25489494").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="25489494"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">16</a>  </div><span class="InlineList-item-text u-textTruncate u-pl10x"><a class="InlineList-item-text" data-has-card-for-ri="5303" rel="nofollow" href="https://www.academia.edu/Documents/in/Carbon">Carbon</a>, <script data-card-contents-for-ri="5303" type="text/json">{"id":5303,"name":"Carbon","url":"https://www.academia.edu/Documents/in/Carbon?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="7051" rel="nofollow" href="https://www.academia.edu/Documents/in/Invertebrates">Invertebrates</a>, <script data-card-contents-for-ri="7051" type="text/json">{"id":7051,"name":"Invertebrates","url":"https://www.academia.edu/Documents/in/Invertebrates?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="28235" rel="nofollow" href="https://www.academia.edu/Documents/in/Multidisciplinary">Multidisciplinary</a>, <script data-card-contents-for-ri="28235" type="text/json">{"id":28235,"name":"Multidisciplinary","url":"https://www.academia.edu/Documents/in/Multidisciplinary?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="30756" rel="nofollow" href="https://www.academia.edu/Documents/in/Ecological_Stoichiometry">Ecological Stoichiometry</a><script data-card-contents-for-ri="30756" type="text/json">{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=25489494]'), work: {"id":25489494,"title":"Nutritional constraints in terrestrial and freshwater food webs","created_at":"2016-05-20T07:52:01.929-07:00","url":"https://www.academia.edu/25489494/Nutritional_constraints_in_terrestrial_and_freshwater_food_webs?f_ri=30756","dom_id":"work_25489494","summary":"Biological and environmental contrasts between aquatic and terrestrial systems have hindered analyses of community and ecosystem structure across Earth\u0026#39;s diverse habitats. Ecological stoichiometry provides an integrative approach for such analyses, as all organisms are composed of the same major elements (C, N, P) whose balance affects production, nutrient cycling, and food-web dynamics. Here we show both similarities and differences in the C:N:P ratios of primary producers (autotrophs) and invertebrate primary consumers (herbivores) across habitats. Terrestrial food webs are built on an extremely nutrient-poor autotroph base with C:P and C:N ratios higher than in lake particulate matter, although the N:P ratios are nearly identical. Terrestrial herbivores (insects) and their freshwater counterparts (zooplankton) are nutrient-rich and indistinguishable in C:N:P stoichiometry. In both lakes and terrestrial systems, herbivores should have low growth efficiencies (10-30%) when cons...","downloadable_attachments":[{"id":45806599,"asset_id":25489494,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":38966721,"first_name":"Susan","last_name":"Kilham","domain_name":"independent","page_name":"SusanKilham","display_name":"Susan Kilham","profile_url":"https://independent.academia.edu/SusanKilham?f_ri=30756","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":5303,"name":"Carbon","url":"https://www.academia.edu/Documents/in/Carbon?f_ri=30756","nofollow":true},{"id":7051,"name":"Invertebrates","url":"https://www.academia.edu/Documents/in/Invertebrates?f_ri=30756","nofollow":true},{"id":28235,"name":"Multidisciplinary","url":"https://www.academia.edu/Documents/in/Multidisciplinary?f_ri=30756","nofollow":true},{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true},{"id":33319,"name":"Nature","url":"https://www.academia.edu/Documents/in/Nature?f_ri=30756"},{"id":82682,"name":"Food web","url":"https://www.academia.edu/Documents/in/Food_web?f_ri=30756"},{"id":133873,"name":"Plants","url":"https://www.academia.edu/Documents/in/Plants?f_ri=30756"},{"id":151091,"name":"Nitrogen","url":"https://www.academia.edu/Documents/in/Nitrogen?f_ri=30756"},{"id":160656,"name":"Potassium","url":"https://www.academia.edu/Documents/in/Potassium?f_ri=30756"},{"id":187216,"name":"Zooplankton","url":"https://www.academia.edu/Documents/in/Zooplankton?f_ri=30756"},{"id":285086,"name":"Integrated Approach","url":"https://www.academia.edu/Documents/in/Integrated_Approach?f_ri=30756"},{"id":373754,"name":"Ecosystem","url":"https://www.academia.edu/Documents/in/Ecosystem?f_ri=30756"},{"id":439435,"name":"Fresh water","url":"https://www.academia.edu/Documents/in/Fresh_water?f_ri=30756"},{"id":518609,"name":"Particulate Matter","url":"https://www.academia.edu/Documents/in/Particulate_Matter?f_ri=30756"},{"id":1013028,"name":"Food Chain","url":"https://www.academia.edu/Documents/in/Food_Chain?f_ri=30756"},{"id":1180615,"name":"P/BV Ratio","url":"https://www.academia.edu/Documents/in/P_BV_Ratio?f_ri=30756"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_11803598" data-work_id="11803598" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/11803598/Nutrition_ecology_and_nutritional_ecology_toward_an_integrated_framework">Nutrition, ecology and nutritional ecology: toward an integrated framework</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">1The science of nutritional ecology spans a wide range of fields, including ecology, nutrition, behaviour, morphology, physiology, life history and evolutionary biology. But does nutritional ecology have a unique theoretical framework and... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_11803598" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">1The science of nutritional ecology spans a wide range of fields, including ecology, nutrition, behaviour, morphology, physiology, life history and evolutionary biology. But does nutritional ecology have a unique theoretical framework and research program and thus qualify as a field of research in its own right?2We suggest that the distinctive feature of nutritional ecology is its integrative nature, and that the field would benefit from more attention to formalizing a theoretical and quantitative framework for developing this.3Such a framework, we propose, should satisfy three minimal requirements: it should be nutritionally explicit, organismally explicit, and ecologically explicit.4We evaluate against these criteria four existing frameworks (Optimal Foraging Theory, Classical Insect Nutritional Ecology, the Geometric Framework for nutrition, and Ecological Stoichiometry), and conclude that each needs development with respect to at least one criterion.5We end with an initial attempt at assessing the expansion of our own contribution, the Geometric Framework, to better satisfy the criterion of ecological explicitness.The science of nutritional ecology spans a wide range of fields, including ecology, nutrition, behaviour, morphology, physiology, life history and evolutionary biology. But does nutritional ecology have a unique theoretical framework and research program and thus qualify as a field of research in its own right?We suggest that the distinctive feature of nutritional ecology is its integrative nature, and that the field would benefit from more attention to formalizing a theoretical and quantitative framework for developing this.Such a framework, we propose, should satisfy three minimal requirements: it should be nutritionally explicit, organismally explicit, and ecologically explicit.We evaluate against these criteria four existing frameworks (Optimal Foraging Theory, Classical Insect Nutritional Ecology, the Geometric Framework for nutrition, and Ecological Stoichiometry), and conclude that each needs development with respect to at least one criterion.We end with an initial attempt at assessing the expansion of our own contribution, the Geometric Framework, to better satisfy the criterion of ecological explicitness.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/11803598" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="eeb4d39b101ef22a472cc39a39b8cc0e" rel="nofollow" data-download="{"attachment_id":46517935,"asset_id":11803598,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/46517935/download_file?st=MTc0MDg3MzI0Niw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="29076065" href="https://independent.academia.edu/DavidRaubenheimer">David Raubenheimer</a><script data-card-contents-for-user="29076065" type="text/json">{"id":29076065,"first_name":"David","last_name":"Raubenheimer","domain_name":"independent","page_name":"DavidRaubenheimer","display_name":"David Raubenheimer","profile_url":"https://independent.academia.edu/DavidRaubenheimer?f_ri=30756","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_11803598 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="11803598"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 11803598, container: ".js-paper-rank-work_11803598", }); 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$(".js-view-count[data-work-id=11803598]").text(description); $(".js-view-count-work_11803598").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_11803598").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="11803598"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">5</a>  </div><span class="InlineList-item-text u-textTruncate u-pl9x"><a class="InlineList-item-text" data-has-card-for-ri="8340" rel="nofollow" href="https://www.academia.edu/Documents/in/Functional_Ecology">Functional Ecology</a>, <script data-card-contents-for-ri="8340" type="text/json">{"id":8340,"name":"Functional Ecology","url":"https://www.academia.edu/Documents/in/Functional_Ecology?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="30756" rel="nofollow" href="https://www.academia.edu/Documents/in/Ecological_Stoichiometry">Ecological Stoichiometry</a>, <script data-card-contents-for-ri="30756" type="text/json">{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="47884" rel="nofollow" href="https://www.academia.edu/Documents/in/Biological_Sciences">Biological Sciences</a>, <script data-card-contents-for-ri="47884" type="text/json">{"id":47884,"name":"Biological Sciences","url":"https://www.academia.edu/Documents/in/Biological_Sciences?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="58054" rel="nofollow" href="https://www.academia.edu/Documents/in/Environmental_Sciences">Environmental Sciences</a><script data-card-contents-for-ri="58054" type="text/json">{"id":58054,"name":"Environmental Sciences","url":"https://www.academia.edu/Documents/in/Environmental_Sciences?f_ri=30756","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=11803598]'), work: {"id":11803598,"title":"Nutrition, ecology and nutritional ecology: toward an integrated framework","created_at":"2015-04-05T14:43:49.800-07:00","url":"https://www.academia.edu/11803598/Nutrition_ecology_and_nutritional_ecology_toward_an_integrated_framework?f_ri=30756","dom_id":"work_11803598","summary":"1The science of nutritional ecology spans a wide range of fields, including ecology, nutrition, behaviour, morphology, physiology, life history and evolutionary biology. But does nutritional ecology have a unique theoretical framework and research program and thus qualify as a field of research in its own right?2We suggest that the distinctive feature of nutritional ecology is its integrative nature, and that the field would benefit from more attention to formalizing a theoretical and quantitative framework for developing this.3Such a framework, we propose, should satisfy three minimal requirements: it should be nutritionally explicit, organismally explicit, and ecologically explicit.4We evaluate against these criteria four existing frameworks (Optimal Foraging Theory, Classical Insect Nutritional Ecology, the Geometric Framework for nutrition, and Ecological Stoichiometry), and conclude that each needs development with respect to at least one criterion.5We end with an initial attempt at assessing the expansion of our own contribution, the Geometric Framework, to better satisfy the criterion of ecological explicitness.The science of nutritional ecology spans a wide range of fields, including ecology, nutrition, behaviour, morphology, physiology, life history and evolutionary biology. But does nutritional ecology have a unique theoretical framework and research program and thus qualify as a field of research in its own right?We suggest that the distinctive feature of nutritional ecology is its integrative nature, and that the field would benefit from more attention to formalizing a theoretical and quantitative framework for developing this.Such a framework, we propose, should satisfy three minimal requirements: it should be nutritionally explicit, organismally explicit, and ecologically explicit.We evaluate against these criteria four existing frameworks (Optimal Foraging Theory, Classical Insect Nutritional Ecology, the Geometric Framework for nutrition, and Ecological Stoichiometry), and conclude that each needs development with respect to at least one criterion.We end with an initial attempt at assessing the expansion of our own contribution, the Geometric Framework, to better satisfy the criterion of ecological explicitness.","downloadable_attachments":[{"id":46517935,"asset_id":11803598,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":29076065,"first_name":"David","last_name":"Raubenheimer","domain_name":"independent","page_name":"DavidRaubenheimer","display_name":"David Raubenheimer","profile_url":"https://independent.academia.edu/DavidRaubenheimer?f_ri=30756","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":8340,"name":"Functional Ecology","url":"https://www.academia.edu/Documents/in/Functional_Ecology?f_ri=30756","nofollow":true},{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true},{"id":47884,"name":"Biological Sciences","url":"https://www.academia.edu/Documents/in/Biological_Sciences?f_ri=30756","nofollow":true},{"id":58054,"name":"Environmental Sciences","url":"https://www.academia.edu/Documents/in/Environmental_Sciences?f_ri=30756","nofollow":true},{"id":101144,"name":"Optimal Foraging Theory","url":"https://www.academia.edu/Documents/in/Optimal_Foraging_Theory?f_ri=30756"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_13267672 coauthored" data-work_id="13267672" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/13267672/Ecological_Stoichiometry_Biogeochemical_Cycling_Invasive_Species_and_Aquatic_Food_Webs_San_Francisco_Estuary_and_Comparative_Systems">Ecological Stoichiometry, Biogeochemical Cycling, Invasive Species, and Aquatic Food Webs: San Francisco Estuary and Comparative Systems</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Eutrophication has altered food webs across aquatic systems, but effects of nutrient stoichiometry (varying nutrient ratios) on ecosystem structure and function have received less attention. A prevailing assumption has been that nutrients... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_13267672" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Eutrophication has altered food webs across aquatic systems, but effects of nutrient stoichiometry (varying nutrient ratios) on ecosystem structure and function have received less attention. A prevailing assumption has been that nutrients are not ecologically relevant unless concentrations are limiting to phytoplankton. However, changes in nutrient stoichiometry fundamentally affect food quality at all levels of the food web. Here, 30-year</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/13267672" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="47737aa3d752849abfc8272254441274" rel="nofollow" data-download="{"attachment_id":45529288,"asset_id":13267672,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/45529288/download_file?st=MTc0MDg3MzI0Niw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="31802164" href="https://umces.academia.edu/PatriciaGlibert">Patricia Glibert</a><script data-card-contents-for-user="31802164" type="text/json">{"id":31802164,"first_name":"Patricia","last_name":"Glibert","domain_name":"umces","page_name":"PatriciaGlibert","display_name":"Patricia Glibert","profile_url":"https://umces.academia.edu/PatriciaGlibert?f_ri=30756","photo":"/images/s65_no_pic.png"}</script></span></span><span class="u-displayInlineBlock InlineList-item-text"> and <span class="u-textDecorationUnderline u-clickable InlineList-item-text js-work-more-authors-13267672">+2</span><div class="hidden js-additional-users-13267672"><div><span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a href="https://umces.academia.edu/ToddKana">Todd Kana</a></span></div><div><span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a href="https://independent.academia.edu/PatGlibert">Pat Glibert</a></span></div></div></span><script>(function(){ var popoverSettings = { el: $('.js-work-more-authors-13267672'), placement: 'bottom', hide_delay: 200, html: true, content: function(){ return $('.js-additional-users-13267672').html(); 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container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_13267672 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="13267672"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 13267672; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=13267672]").text(description); $(".js-view-count-work_13267672").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_13267672").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="13267672"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">11</a>  </div><span class="InlineList-item-text u-textTruncate u-pl10x"><a class="InlineList-item-text" data-has-card-for-ri="11870" rel="nofollow" href="https://www.academia.edu/Documents/in/Invasive_Species">Invasive Species</a>, <script data-card-contents-for-ri="11870" type="text/json">{"id":11870,"name":"Invasive Species","url":"https://www.academia.edu/Documents/in/Invasive_Species?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="30756" rel="nofollow" href="https://www.academia.edu/Documents/in/Ecological_Stoichiometry">Ecological Stoichiometry</a>, <script data-card-contents-for-ri="30756" type="text/json">{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="49646" rel="nofollow" href="https://www.academia.edu/Documents/in/Protein_Structure_and_Function">Protein Structure and Function</a>, <script data-card-contents-for-ri="49646" type="text/json">{"id":49646,"name":"Protein Structure and Function","url":"https://www.academia.edu/Documents/in/Protein_Structure_and_Function?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="53108" rel="nofollow" href="https://www.academia.edu/Documents/in/Phosphorus">Phosphorus</a><script data-card-contents-for-ri="53108" type="text/json">{"id":53108,"name":"Phosphorus","url":"https://www.academia.edu/Documents/in/Phosphorus?f_ri=30756","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=13267672]'), work: {"id":13267672,"title":"Ecological Stoichiometry, Biogeochemical Cycling, Invasive Species, and Aquatic Food Webs: San Francisco Estuary and Comparative Systems","created_at":"2015-06-25T01:55:16.614-07:00","url":"https://www.academia.edu/13267672/Ecological_Stoichiometry_Biogeochemical_Cycling_Invasive_Species_and_Aquatic_Food_Webs_San_Francisco_Estuary_and_Comparative_Systems?f_ri=30756","dom_id":"work_13267672","summary":"Eutrophication has altered food webs across aquatic systems, but effects of nutrient stoichiometry (varying nutrient ratios) on ecosystem structure and function have received less attention. A prevailing assumption has been that nutrients are not ecologically relevant unless concentrations are limiting to phytoplankton. However, changes in nutrient stoichiometry fundamentally affect food quality at all levels of the food web. Here, 30-year","downloadable_attachments":[{"id":45529288,"asset_id":13267672,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":31802164,"first_name":"Patricia","last_name":"Glibert","domain_name":"umces","page_name":"PatriciaGlibert","display_name":"Patricia Glibert","profile_url":"https://umces.academia.edu/PatriciaGlibert?f_ri=30756","photo":"/images/s65_no_pic.png"},{"id":32524032,"first_name":"Todd","last_name":"Kana","domain_name":"umces","page_name":"ToddKana","display_name":"Todd Kana","profile_url":"https://umces.academia.edu/ToddKana?f_ri=30756","photo":"/images/s65_no_pic.png"},{"id":3871028,"first_name":"Pat","last_name":"Glibert","domain_name":"independent","page_name":"PatGlibert","display_name":"Pat Glibert","profile_url":"https://independent.academia.edu/PatGlibert?f_ri=30756","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":11870,"name":"Invasive Species","url":"https://www.academia.edu/Documents/in/Invasive_Species?f_ri=30756","nofollow":true},{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true},{"id":49646,"name":"Protein Structure and Function","url":"https://www.academia.edu/Documents/in/Protein_Structure_and_Function?f_ri=30756","nofollow":true},{"id":53108,"name":"Phosphorus","url":"https://www.academia.edu/Documents/in/Phosphorus?f_ri=30756","nofollow":true},{"id":53796,"name":"Aquatic Ecosystem","url":"https://www.academia.edu/Documents/in/Aquatic_Ecosystem?f_ri=30756"},{"id":82682,"name":"Food web","url":"https://www.academia.edu/Documents/in/Food_web?f_ri=30756"},{"id":98508,"name":"Food Quality","url":"https://www.academia.edu/Documents/in/Food_Quality?f_ri=30756"},{"id":112651,"name":"San Francisco","url":"https://www.academia.edu/Documents/in/San_Francisco?f_ri=30756"},{"id":151091,"name":"Nitrogen","url":"https://www.academia.edu/Documents/in/Nitrogen?f_ri=30756"},{"id":170652,"name":"Fisheries Sciences","url":"https://www.academia.edu/Documents/in/Fisheries_Sciences?f_ri=30756"},{"id":1273286,"name":"Nutrient dynamics","url":"https://www.academia.edu/Documents/in/Nutrient_dynamics?f_ri=30756"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_69298889" data-work_id="69298889" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/69298889/Light_nutrients_and_food_chain_length_constrain_planktonic_energy_transfer_efficiency_across_multiple_trophic_levels">Light, nutrients, and food-chain length constrain planktonic energy transfer efficiency across multiple trophic levels</a></div></div><div class="u-pb4x u-mt3x"></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/69298889" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="2b0ac1cd5a144932259026c4c5b73a86" rel="nofollow" data-download="{"attachment_id":79447863,"asset_id":69298889,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/79447863/download_file?st=MTc0MDg3MzI0Niw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="376259" href="https://upr.academia.edu/MichaelJGonzalez">Michael J. 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Gonzalez","profile_url":"https://upr.academia.edu/MichaelJGonzalez?f_ri=30756","photo":"https://0.academia-photos.com/376259/116317/18828242/s65_michael_j..gonzalez.jpg"}</script></span></span></li><li class="js-paper-rank-work_69298889 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="69298889"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 69298889, container: ".js-paper-rank-work_69298889", }); });</script></li><li class="js-percentile-work_69298889 InlineList-item InlineList-item--bordered hidden u-tcGrayDark"><span class="percentile-widget hidden"><span class="u-mr2x percentile-widget" style="display: none">•</span><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 69298889; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_69298889"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_69298889 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="69298889"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 69298889; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=69298889]").text(description); $(".js-view-count-work_69298889").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_69298889").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="69298889"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">17</a>  </div><span class="InlineList-item-text u-textTruncate u-pl10x"><a class="InlineList-item-text" data-has-card-for-ri="7710" rel="nofollow" href="https://www.academia.edu/Documents/in/Biology">Biology</a>, <script data-card-contents-for-ri="7710" type="text/json">{"id":7710,"name":"Biology","url":"https://www.academia.edu/Documents/in/Biology?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="23546" rel="nofollow" href="https://www.academia.edu/Documents/in/Plant_Nutrition">Plant Nutrition</a>, <script data-card-contents-for-ri="23546" type="text/json">{"id":23546,"name":"Plant Nutrition","url":"https://www.academia.edu/Documents/in/Plant_Nutrition?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="26327" rel="nofollow" href="https://www.academia.edu/Documents/in/Medicine">Medicine</a>, <script data-card-contents-for-ri="26327" type="text/json">{"id":26327,"name":"Medicine","url":"https://www.academia.edu/Documents/in/Medicine?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="28235" rel="nofollow" href="https://www.academia.edu/Documents/in/Multidisciplinary">Multidisciplinary</a><script data-card-contents-for-ri="28235" type="text/json">{"id":28235,"name":"Multidisciplinary","url":"https://www.academia.edu/Documents/in/Multidisciplinary?f_ri=30756","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=69298889]'), work: {"id":69298889,"title":"Light, nutrients, and food-chain length constrain planktonic energy transfer efficiency across multiple trophic levels","created_at":"2022-01-23T18:40:50.336-08:00","url":"https://www.academia.edu/69298889/Light_nutrients_and_food_chain_length_constrain_planktonic_energy_transfer_efficiency_across_multiple_trophic_levels?f_ri=30756","dom_id":"work_69298889","summary":null,"downloadable_attachments":[{"id":79447863,"asset_id":69298889,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":376259,"first_name":"Michael J.","last_name":"Gonzalez","domain_name":"upr","page_name":"MichaelJGonzalez","display_name":"Michael J. Gonzalez","profile_url":"https://upr.academia.edu/MichaelJGonzalez?f_ri=30756","photo":"https://0.academia-photos.com/376259/116317/18828242/s65_michael_j..gonzalez.jpg"}],"research_interests":[{"id":7710,"name":"Biology","url":"https://www.academia.edu/Documents/in/Biology?f_ri=30756","nofollow":true},{"id":23546,"name":"Plant Nutrition","url":"https://www.academia.edu/Documents/in/Plant_Nutrition?f_ri=30756","nofollow":true},{"id":26327,"name":"Medicine","url":"https://www.academia.edu/Documents/in/Medicine?f_ri=30756","nofollow":true},{"id":28235,"name":"Multidisciplinary","url":"https://www.academia.edu/Documents/in/Multidisciplinary?f_ri=30756","nofollow":true},{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756"},{"id":98508,"name":"Food Quality","url":"https://www.academia.edu/Documents/in/Food_Quality?f_ri=30756"},{"id":107671,"name":"Plankton","url":"https://www.academia.edu/Documents/in/Plankton?f_ri=30756"},{"id":117270,"name":"Fishes","url":"https://www.academia.edu/Documents/in/Fishes?f_ri=30756"},{"id":128057,"name":"Light","url":"https://www.academia.edu/Documents/in/Light?f_ri=30756"},{"id":148391,"name":"Field Experiment","url":"https://www.academia.edu/Documents/in/Field_Experiment?f_ri=30756"},{"id":154925,"name":"Trophic Level","url":"https://www.academia.edu/Documents/in/Trophic_Level?f_ri=30756"},{"id":609422,"name":"Plant production","url":"https://www.academia.edu/Documents/in/Plant_production?f_ri=30756"},{"id":615464,"name":"Ecosystem Function","url":"https://www.academia.edu/Documents/in/Ecosystem_Function?f_ri=30756"},{"id":717129,"name":"Energy Transfer","url":"https://www.academia.edu/Documents/in/Energy_Transfer?f_ri=30756"},{"id":874684,"name":"Food Chain Length","url":"https://www.academia.edu/Documents/in/Food_Chain_Length?f_ri=30756"},{"id":961214,"name":"Low Light","url":"https://www.academia.edu/Documents/in/Low_Light?f_ri=30756"},{"id":1013028,"name":"Food Chain","url":"https://www.academia.edu/Documents/in/Food_Chain?f_ri=30756"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_34996455" data-work_id="34996455" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/34996455/The_scent_of_Mare_Nostrum_medicinal_and_aromatic_plants_in_Mediterranean_soils">The scent of Mare Nostrum: medicinal and aromatic plants in Mediterranean soils</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">In the Mediterranean area, the simultaneous occurrence of pedological, climatic and economic constraints often sets a limit on the profitability of agriculture, and farmers are forced to grow a reduced number of species, dealing with a... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_34996455" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">In the Mediterranean area, the simultaneous occurrence of pedological, climatic and economic constraints often sets a limit on the profitability of agriculture, and farmers are forced to grow a reduced number of species, dealing with a secure-albeit low-market income. The introduction of medicinal and aromatic plants (MAPs) inside the current farming systems could represent a useful means to meet the multifunctional role of agriculture: producing safe food, in respect of the environment, and contributing to the development of rural areas. The study of the relationships between MAPs and the soils in which they may be grown may have two approaches: (1) the evaluation of yield and qualitative response of MAPs to the variation of soil features; and (2) the study of selective recovery of certain elements (toxic and beneficial), and their subsequent release in herbal products. In many MAPs, significant variations of plant characteristics have been ascertained with varying soil traits, and...</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/34996455" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="06a46a00f0e57a34bd3a4bfa9ae331f3" rel="nofollow" data-download="{"attachment_id":54861020,"asset_id":34996455,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/54861020/download_file?st=MTc0MDg3MzI0Niw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="32837607" href="https://unipa.academia.edu/AlessandraCarrubba">Alessandra Carrubba</a><script data-card-contents-for-user="32837607" type="text/json">{"id":32837607,"first_name":"Alessandra","last_name":"Carrubba","domain_name":"unipa","page_name":"AlessandraCarrubba","display_name":"Alessandra Carrubba","profile_url":"https://unipa.academia.edu/AlessandraCarrubba?f_ri=30756","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_34996455 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="34996455"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 34996455, container: ".js-paper-rank-work_34996455", }); 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The introduction of medicinal and aromatic plants (MAPs) inside the current farming systems could represent a useful means to meet the multifunctional role of agriculture: producing safe food, in respect of the environment, and contributing to the development of rural areas. The study of the relationships between MAPs and the soils in which they may be grown may have two approaches: (1) the evaluation of yield and qualitative response of MAPs to the variation of soil features; and (2) the study of selective recovery of certain elements (toxic and beneficial), and their subsequent release in herbal products. In many MAPs, significant variations of plant characteristics have been ascertained with varying soil traits, and...","downloadable_attachments":[{"id":54861020,"asset_id":34996455,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":32837607,"first_name":"Alessandra","last_name":"Carrubba","domain_name":"unipa","page_name":"AlessandraCarrubba","display_name":"Alessandra Carrubba","profile_url":"https://unipa.academia.edu/AlessandraCarrubba?f_ri=30756","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":48,"name":"Engineering","url":"https://www.academia.edu/Documents/in/Engineering?f_ri=30756","nofollow":true},{"id":1512,"name":"Climate Change","url":"https://www.academia.edu/Documents/in/Climate_Change?f_ri=30756","nofollow":true},{"id":1605,"name":"Soil","url":"https://www.academia.edu/Documents/in/Soil?f_ri=30756","nofollow":true},{"id":1700,"name":"Ethnobotany","url":"https://www.academia.edu/Documents/in/Ethnobotany?f_ri=30756","nofollow":true},{"id":2467,"name":"Conservation Biology","url":"https://www.academia.edu/Documents/in/Conservation_Biology?f_ri=30756"},{"id":7076,"name":"Taxonomy","url":"https://www.academia.edu/Documents/in/Taxonomy?f_ri=30756"},{"id":10225,"name":"Agriculture","url":"https://www.academia.edu/Documents/in/Agriculture?f_ri=30756"},{"id":13370,"name":"Floristics","url":"https://www.academia.edu/Documents/in/Floristics?f_ri=30756"},{"id":15019,"name":"Medicinal Plants","url":"https://www.academia.edu/Documents/in/Medicinal_Plants?f_ri=30756"},{"id":17825,"name":"Biodiversity","url":"https://www.academia.edu/Documents/in/Biodiversity?f_ri=30756"},{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756"},{"id":373895,"name":"medicinal \u0026 Aromatic plants","url":"https://www.academia.edu/Documents/in/medicinal_and_Aromatic_plants?f_ri=30756"},{"id":480528,"name":"Spices","url":"https://www.academia.edu/Documents/in/Spices?f_ri=30756"},{"id":519936,"name":"Endemic Plants","url":"https://www.academia.edu/Documents/in/Endemic_Plants?f_ri=30756"},{"id":538964,"name":"Mediterranean region","url":"https://www.academia.edu/Documents/in/Mediterranean_region?f_ri=30756"},{"id":790519,"name":"Threatened Plants","url":"https://www.academia.edu/Documents/in/Threatened_Plants?f_ri=30756"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_46016682" data-work_id="46016682" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/46016682/Protein_quantification_in_ecological_studies_a_literature_review_and_empirical_comparisons_of_standard_methodologies">Protein quantification in ecological studies: a literature review and empirical comparisons of standard methodologies</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">1. Protein quantification is a routine procedure in ecological studies despite the inherent limitations of well‐acknowledged protein determination methods which have been largely overlooked by ecologists. Thus, we want to bridge this... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_46016682" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">1. Protein quantification is a routine procedure in ecological studies despite the inherent limitations of well‐acknowledged protein determination methods which have been largely overlooked by ecologists. Thus, we want to bridge this knowledge gap, in hopes of improving the way ecologists quantify proteins and interpret findings.<br />2. We surveyed the ecological literature to determine how and why ecologists quantify proteins. To determine whether different quantification methods produce comparable results across taxa, and between populations of a single species, we estimated the protein content of eight phylogenetically diverse taxa, and of desert isopods fed different diets, using various derived protocols of the 'crude protein', Bradford and BCA methods.<br />3. We found that ecologists use many protein quantification procedures, often without reporting the crucial information needed to evaluate and repeat their methods. Our empirical work demonstrated that the three quantification methods examined, and their derived protocols, resulted in highly divergent protein estimations that were inconsistent in rank across taxa, preventing conversion between methods. We also found that different quantification methods yielded different answers to whether isopod protein content is affected by diet.<br />4. We conclude that commonly used quantification techniques yield distinct protein estimations with varying precision, and no single method is likely to be more accurate than another across taxa which may lead to inconsistent results across taxa and between conspecifics. Inaccurate protein quantification may explain the observed mismatch between organismal N and protein that has plagued some recent studies and that contradicts the principles of ecological stoichiometry. We recommend using a single BCA protocol to reduce inconsistencies across studies, until the promising Amino Acid Analysis becomes more affordable, accurate, and accessible to ecologists. Until then, ecologists should consider the above‐mentioned drawbacks of protein quantification methods and interpret their results accordingly.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/46016682" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="239b8d5c756171a8825c40f1973a2bb9" rel="nofollow" data-download="{"attachment_id":66212295,"asset_id":46016682,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/66212295/download_file?st=MTc0MDg3MzI0Niw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="38788778" href="https://independent.academia.edu/ShelbyRinehart">Shelby Rinehart</a><script data-card-contents-for-user="38788778" type="text/json">{"id":38788778,"first_name":"Shelby","last_name":"Rinehart","domain_name":"independent","page_name":"ShelbyRinehart","display_name":"Shelby Rinehart","profile_url":"https://independent.academia.edu/ShelbyRinehart?f_ri=30756","photo":"https://0.academia-photos.com/38788778/10750814/29341231/s65_shelby.rinehart.jpg"}</script></span></span></li><li class="js-paper-rank-work_46016682 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="46016682"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 46016682, container: ".js-paper-rank-work_46016682", }); 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$(".js-view-count[data-work-id=46016682]").text(description); $(".js-view-count-work_46016682").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_46016682").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="46016682"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">7</a>  </div><span class="InlineList-item-text u-textTruncate u-pl9x"><a class="InlineList-item-text" data-has-card-for-ri="10456" rel="nofollow" href="https://www.academia.edu/Documents/in/Protein">Protein</a>, <script data-card-contents-for-ri="10456" type="text/json">{"id":10456,"name":"Protein","url":"https://www.academia.edu/Documents/in/Protein?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="30756" rel="nofollow" href="https://www.academia.edu/Documents/in/Ecological_Stoichiometry">Ecological Stoichiometry</a>, <script data-card-contents-for-ri="30756" type="text/json">{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="93060" rel="nofollow" href="https://www.academia.edu/Documents/in/Nutritional_Ecology">Nutritional Ecology</a>, <script data-card-contents-for-ri="93060" type="text/json">{"id":93060,"name":"Nutritional Ecology","url":"https://www.academia.edu/Documents/in/Nutritional_Ecology?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="151091" rel="nofollow" href="https://www.academia.edu/Documents/in/Nitrogen">Nitrogen</a><script data-card-contents-for-ri="151091" type="text/json">{"id":151091,"name":"Nitrogen","url":"https://www.academia.edu/Documents/in/Nitrogen?f_ri=30756","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=46016682]'), work: {"id":46016682,"title":"Protein quantification in ecological studies: a literature review and empirical comparisons of standard methodologies","created_at":"2021-04-08T08:12:22.969-07:00","url":"https://www.academia.edu/46016682/Protein_quantification_in_ecological_studies_a_literature_review_and_empirical_comparisons_of_standard_methodologies?f_ri=30756","dom_id":"work_46016682","summary":"1. Protein quantification is a routine procedure in ecological studies despite the inherent limitations of well‐acknowledged protein determination methods which have been largely overlooked by ecologists. Thus, we want to bridge this knowledge gap, in hopes of improving the way ecologists quantify proteins and interpret findings.\n2. We surveyed the ecological literature to determine how and why ecologists quantify proteins. To determine whether different quantification methods produce comparable results across taxa, and between populations of a single species, we estimated the protein content of eight phylogenetically diverse taxa, and of desert isopods fed different diets, using various derived protocols of the 'crude protein', Bradford and BCA methods.\n3. We found that ecologists use many protein quantification procedures, often without reporting the crucial information needed to evaluate and repeat their methods. Our empirical work demonstrated that the three quantification methods examined, and their derived protocols, resulted in highly divergent protein estimations that were inconsistent in rank across taxa, preventing conversion between methods. We also found that different quantification methods yielded different answers to whether isopod protein content is affected by diet.\n4. We conclude that commonly used quantification techniques yield distinct protein estimations with varying precision, and no single method is likely to be more accurate than another across taxa which may lead to inconsistent results across taxa and between conspecifics. Inaccurate protein quantification may explain the observed mismatch between organismal N and protein that has plagued some recent studies and that contradicts the principles of ecological stoichiometry. We recommend using a single BCA protocol to reduce inconsistencies across studies, until the promising Amino Acid Analysis becomes more affordable, accurate, and accessible to ecologists. Until then, ecologists should consider the above‐mentioned drawbacks of protein quantification methods and interpret their results accordingly.","downloadable_attachments":[{"id":66212295,"asset_id":46016682,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":38788778,"first_name":"Shelby","last_name":"Rinehart","domain_name":"independent","page_name":"ShelbyRinehart","display_name":"Shelby Rinehart","profile_url":"https://independent.academia.edu/ShelbyRinehart?f_ri=30756","photo":"https://0.academia-photos.com/38788778/10750814/29341231/s65_shelby.rinehart.jpg"}],"research_interests":[{"id":10456,"name":"Protein","url":"https://www.academia.edu/Documents/in/Protein?f_ri=30756","nofollow":true},{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true},{"id":93060,"name":"Nutritional Ecology","url":"https://www.academia.edu/Documents/in/Nutritional_Ecology?f_ri=30756","nofollow":true},{"id":151091,"name":"Nitrogen","url":"https://www.academia.edu/Documents/in/Nitrogen?f_ri=30756","nofollow":true},{"id":190486,"name":"Nutrients","url":"https://www.academia.edu/Documents/in/Nutrients?f_ri=30756"},{"id":645803,"name":"Crude Protein","url":"https://www.academia.edu/Documents/in/Crude_Protein?f_ri=30756"},{"id":1098463,"name":"Protein Quantifrication","url":"https://www.academia.edu/Documents/in/Protein_Quantifrication?f_ri=30756"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_13645777 coauthored" data-work_id="13645777" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/13645777/Connecting_the_Green_and_Brown_Worlds_Allometric_and_Stoichiometric_Predictability_of_Above_and_Below_Ground_Networks">Connecting the Green and Brown Worlds. Allometric and Stoichiometric Predictability of Above- and Below-Ground Networks</a></div></div><div class="u-pb4x u-mt3x"></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/13645777" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="478908c7406be23010d90baf618f0ed7" rel="nofollow" data-download="{"attachment_id":40600226,"asset_id":13645777,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/40600226/download_file?st=MTc0MDg3MzI0Niw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="32802788" href="https://unico.academia.edu/ChristianMulder">Christian Mulder</a><script data-card-contents-for-user="32802788" type="text/json">{"id":32802788,"first_name":"Christian","last_name":"Mulder","domain_name":"unico","page_name":"ChristianMulder","display_name":"Christian Mulder","profile_url":"https://unico.academia.edu/ChristianMulder?f_ri=30756","photo":"https://0.academia-photos.com/32802788/10913429/12179048/s65_christian.mulder.jpg"}</script></span></span><span class="u-displayInlineBlock InlineList-item-text"> and <span class="u-textDecorationUnderline u-clickable InlineList-item-text js-work-more-authors-13645777">+4</span><div class="hidden js-additional-users-13645777"><div><span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a href="https://nationalagriculturalresearchinra.academia.edu/DavidBohan">David Bohan</a></span></div><div><span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a href="https://unisalento.academia.edu/giorgiomancinelli">Giorgio Mancinelli</a></span></div><div><span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a href="https://csic.academia.edu/JosepPenuelas">Josep Penuelas</a></span></div><div><span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a href="https://fz-juelich.academia.edu/HendrikPoorter">Hendrik Poorter</a></span></div></div></span><script>(function(){ var popoverSettings = { el: $('.js-work-more-authors-13645777'), placement: 'bottom', hide_delay: 200, html: true, content: function(){ return $('.js-additional-users-13645777').html(); 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Bohan","profile_url":"https://nationalagriculturalresearchinra.academia.edu/DavidBohan?f_ri=30756","photo":"/images/s65_no_pic.png"},{"id":1224501,"first_name":"Giorgio","last_name":"Mancinelli","domain_name":"unisalento","page_name":"giorgiomancinelli","display_name":"Giorgio Mancinelli","profile_url":"https://unisalento.academia.edu/giorgiomancinelli?f_ri=30756","photo":"https://0.academia-photos.com/1224501/1028016/1284538/s65_giorgio.mancinelli.jpg"},{"id":10760440,"first_name":"Josep","last_name":"Penuelas","domain_name":"csic","page_name":"JosepPenuelas","display_name":"Josep Penuelas","profile_url":"https://csic.academia.edu/JosepPenuelas?f_ri=30756","photo":"https://0.academia-photos.com/10760440/13149737/151983681/s65_josep.penuelas.jpg"},{"id":32800150,"first_name":"Hendrik","last_name":"Poorter","domain_name":"fz-juelich","page_name":"HendrikPoorter","display_name":"Hendrik Poorter","profile_url":"https://fz-juelich.academia.edu/HendrikPoorter?f_ri=30756","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":6963,"name":"Biodiversity and Ecosystem Function","url":"https://www.academia.edu/Documents/in/Biodiversity_and_Ecosystem_Function?f_ri=30756","nofollow":true},{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true},{"id":176282,"name":"Plant Functional Traits","url":"https://www.academia.edu/Documents/in/Plant_Functional_Traits?f_ri=30756","nofollow":true},{"id":873923,"name":"Allometric Scaling","url":"https://www.academia.edu/Documents/in/Allometric_Scaling?f_ri=30756","nofollow":true}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_50375074" data-work_id="50375074" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/50375074/Foliar_chemistry_and_standing_folivory_of_early_and_late_successional_species_in_a_Bornean_rainforest">Foliar chemistry and standing folivory of early and late successional species in a Bornean rainforest</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest">The NERC and CEH trademarks and logos ('the Trademarks') are registered trademarks of NERC in the UK and other countries, and may not be used without the prior written consent of the Trademark owner.</div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/50375074" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i 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rel="nofollow" href="https://www.academia.edu/Documents/in/Ecology">Ecology</a>, <script data-card-contents-for-ri="9846" type="text/json">{"id":9846,"name":"Ecology","url":"https://www.academia.edu/Documents/in/Ecology?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="30756" rel="nofollow" href="https://www.academia.edu/Documents/in/Ecological_Stoichiometry">Ecological Stoichiometry</a>, <script data-card-contents-for-ri="30756" type="text/json">{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="141838" rel="nofollow" href="https://www.academia.edu/Documents/in/Herbivory">Herbivory</a><script data-card-contents-for-ri="141838" 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owner.","downloadable_attachments":[{"id":68389054,"asset_id":50375074,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":158897104,"first_name":"Alona","last_name":"Linatoc","domain_name":"independent","page_name":"AlonaLinatoc","display_name":"Alona Linatoc","profile_url":"https://independent.academia.edu/AlonaLinatoc?f_ri=30756","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":5541,"name":"Plant Biology","url":"https://www.academia.edu/Documents/in/Plant_Biology?f_ri=30756","nofollow":true},{"id":9846,"name":"Ecology","url":"https://www.academia.edu/Documents/in/Ecology?f_ri=30756","nofollow":true},{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true},{"id":141838,"name":"Herbivory","url":"https://www.academia.edu/Documents/in/Herbivory?f_ri=30756","nofollow":true},{"id":168658,"name":"Rainforest","url":"https://www.academia.edu/Documents/in/Rainforest?f_ri=30756"},{"id":224577,"name":"Trace Elements","url":"https://www.academia.edu/Documents/in/Trace_Elements?f_ri=30756"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_32533826" data-work_id="32533826" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" rel="nofollow" href="https://www.academia.edu/32533826/Plants_in_aquatic_ecosystems_current_trends_and_future_directions">Plants in aquatic ecosystems: current trends and future directions</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Aquatic plants fulfil a wide range of ecological roles, and make a substantial contribution to the structure, function and service provision of aquatic ecosystems. Given their well-documented importance in aquatic ecosystems, research... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_32533826" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Aquatic plants fulfil a wide range of ecological roles, and make a substantial contribution to the structure, function and service provision of aquatic ecosystems. Given their well-documented importance in aquatic ecosystems, research into aquatic plants continues to blossom. The 14th International Symposium on Aquatic Plants, held in Edinburgh in September 2015, brought together 120 delegates from 28 countries and six continents. This special issue of Hydrobiologia includes a select number of papers on aspects of aquatic plants, covering a wide range of species, systems and issues. In this paper, we present an overview of current trends and future directions in aquatic plant research in the early twenty first century. Our understanding of aquatic plant biology, the range of scientific issues being addressed and the range of techniques available to researchers have all arguably never been greater; however, substantial challenges exist to the conservation and management of both aquatic plants and the ecosystems in which they are found. The range of countries and continents represented by conference delegates and authors of papers in the special issue illustrates the global relevance of aquatic plant research in the early twenty first century but also the many challenges that this burgeoning scientific discipline must address.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/32533826" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="1236289" href="https://wwt.academia.edu/KevinWood">Kevin Wood</a><script data-card-contents-for-user="1236289" type="text/json">{"id":1236289,"first_name":"Kevin","last_name":"Wood","domain_name":"wwt","page_name":"KevinWood","display_name":"Kevin Wood","profile_url":"https://wwt.academia.edu/KevinWood?f_ri=30756","photo":"https://0.academia-photos.com/1236289/449585/21996616/s65_kevin.wood.jpg"}</script></span></span></li><li class="js-paper-rank-work_32533826 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="32533826"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 32533826, container: ".js-paper-rank-work_32533826", }); 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$(".js-view-count[data-work-id=32533826]").text(description); $(".js-view-count-work_32533826").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_32533826").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="32533826"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">204</a>  </div><span class="InlineList-item-text u-textTruncate u-pl11x"><a class="InlineList-item-text" data-has-card-for-ri="148" rel="nofollow" href="https://www.academia.edu/Documents/in/Botany">Botany</a>, <script data-card-contents-for-ri="148" type="text/json">{"id":148,"name":"Botany","url":"https://www.academia.edu/Documents/in/Botany?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="402" rel="nofollow" href="https://www.academia.edu/Documents/in/Environmental_Science">Environmental Science</a>, <script data-card-contents-for-ri="402" type="text/json">{"id":402,"name":"Environmental Science","url":"https://www.academia.edu/Documents/in/Environmental_Science?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="1359" rel="nofollow" href="https://www.academia.edu/Documents/in/Ecosystems_Ecology">Ecosystems Ecology</a>, <script data-card-contents-for-ri="1359" type="text/json">{"id":1359,"name":"Ecosystems Ecology","url":"https://www.academia.edu/Documents/in/Ecosystems_Ecology?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="1360" rel="nofollow" href="https://www.academia.edu/Documents/in/Plant_Ecology">Plant Ecology</a><script data-card-contents-for-ri="1360" type="text/json">{"id":1360,"name":"Plant Ecology","url":"https://www.academia.edu/Documents/in/Plant_Ecology?f_ri=30756","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=32533826]'), work: {"id":32533826,"title":"Plants in aquatic ecosystems: current trends and future directions","created_at":"2017-04-20T06:09:15.517-07:00","url":"https://www.academia.edu/32533826/Plants_in_aquatic_ecosystems_current_trends_and_future_directions?f_ri=30756","dom_id":"work_32533826","summary":"Aquatic plants fulfil a wide range of ecological roles, and make a substantial contribution to the structure, function and service provision of aquatic ecosystems. Given their well-documented importance in aquatic ecosystems, research into aquatic plants continues to blossom. The 14th International Symposium on Aquatic Plants, held in Edinburgh in September 2015, brought together 120 delegates from 28 countries and six continents. This special issue of Hydrobiologia includes a select number of papers on aspects of aquatic plants, covering a wide range of species, systems and issues. In this paper, we present an overview of current trends and future directions in aquatic plant research in the early twenty first century. Our understanding of aquatic plant biology, the range of scientific issues being addressed and the range of techniques available to researchers have all arguably never been greater; however, substantial challenges exist to the conservation and management of both aquatic plants and the ecosystems in which they are found. The range of countries and continents represented by conference delegates and authors of papers in the special issue illustrates the global relevance of aquatic plant research in the early twenty first century but also the many challenges that this burgeoning scientific discipline must address.","downloadable_attachments":[],"ordered_authors":[{"id":1236289,"first_name":"Kevin","last_name":"Wood","domain_name":"wwt","page_name":"KevinWood","display_name":"Kevin Wood","profile_url":"https://wwt.academia.edu/KevinWood?f_ri=30756","photo":"https://0.academia-photos.com/1236289/449585/21996616/s65_kevin.wood.jpg"}],"research_interests":[{"id":148,"name":"Botany","url":"https://www.academia.edu/Documents/in/Botany?f_ri=30756","nofollow":true},{"id":402,"name":"Environmental Science","url":"https://www.academia.edu/Documents/in/Environmental_Science?f_ri=30756","nofollow":true},{"id":1359,"name":"Ecosystems 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href="https://www.academia.edu/22451630/Leaf_Tissue_Indicators_of_Flooding_Stress_in_the_Above_and_Below_Ground_Biomass_of_Spartina_patens">Leaf Tissue Indicators of Flooding Stress in the Above-and Below-Ground Biomass of Spartina patens</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Many factors, such as rising sea levels and human alterations, threaten coastal wetlands in the United States and around the world. To reverse some wetland loss, dredge material, tidal flow, or river flow can be used to create new... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_22451630" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Many factors, such as rising sea levels and human alterations, threaten coastal wetlands in the United States and around the world. To reverse some wetland loss, dredge material, tidal flow, or river flow can be used to create new wetlands or existing wetlands can be managed to increase plant productivity. Identifying the causes of limited production can improve management plans by suggesting possible remedies. Managing and restoring marshes depends on understanding which stress factors limit growth of key marsh-building plants. Spartina patens is a common marsh-building species of grass in brackish marshes along the Gulf of Mexico and Atlantic coasts of North America and it is often the target of management and restoration plans. S. patens was grown under six flooding levels in a field experiment. S. patens plants grown at lower elevations had consistently lower biomass, in contrast to S. alterniflora, which has been shown to exhibit peak biomass at intermediate levels of flooding. Critical values of elemental concentrations in plant tissue are widely used to diagnose mineral deficiencies in agricultural crops and are just beginning to be developed aid wetland management and restoration. For leaf tissue harvested in summer, [Mn] < 256 ppm and [Ca] < 0.3% indicated that plants grew at lower elevations and had limited biomass. The results suggest that concentrations of Mn and Ca in the leaf tissue of S. patens could form part of an indicator to monitor below-ground productivity of marshes. Although low concentrations of these elements were associated with the smaller root and shoot biomass of plants grown at low elevations, variability in the relationship suggests that additional factors may need to be considered. Marsh managers should monitor soil elevation loss carefully if they choose to drain marshes to increase plant production to prevent excessive loss of soil elevation.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/22451630" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="a60bed44f8b459038febf0456ed083e8" rel="nofollow" data-download="{"attachment_id":43069377,"asset_id":22451630,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/43069377/download_file?st=MTc0MDg3MzI0Niw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="209176" href="https://independent.academia.edu/VanessaTobias">Vanessa D Tobias</a><script data-card-contents-for-user="209176" type="text/json">{"id":209176,"first_name":"Vanessa","last_name":"Tobias","domain_name":"independent","page_name":"VanessaTobias","display_name":"Vanessa D Tobias","profile_url":"https://independent.academia.edu/VanessaTobias?f_ri=30756","photo":"https://0.academia-photos.com/209176/18896326/28461728/s65_vanessa.tobias.jpg"}</script></span></span></li><li class="js-paper-rank-work_22451630 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="22451630"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 22451630, container: ".js-paper-rank-work_22451630", }); 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To reverse some wetland loss, dredge material, tidal flow, or river flow can be used to create new wetlands or existing wetlands can be managed to increase plant productivity. Identifying the causes of limited production can improve management plans by suggesting possible remedies. Managing and restoring marshes depends on understanding which stress factors limit growth of key marsh-building plants. Spartina patens is a common marsh-building species of grass in brackish marshes along the Gulf of Mexico and Atlantic coasts of North America and it is often the target of management and restoration plans. S. patens was grown under six flooding levels in a field experiment. S. patens plants grown at lower elevations had consistently lower biomass, in contrast to S. alterniflora, which has been shown to exhibit peak biomass at intermediate levels of flooding. Critical values of elemental concentrations in plant tissue are widely used to diagnose mineral deficiencies in agricultural crops and are just beginning to be developed aid wetland management and restoration. For leaf tissue harvested in summer, [Mn] \u003c 256 ppm and [Ca] \u003c 0.3% indicated that plants grew at lower elevations and had limited biomass. The results suggest that concentrations of Mn and Ca in the leaf tissue of S. patens could form part of an indicator to monitor below-ground productivity of marshes. Although low concentrations of these elements were associated with the smaller root and shoot biomass of plants grown at low elevations, variability in the relationship suggests that additional factors may need to be considered. Marsh managers should monitor soil elevation loss carefully if they choose to drain marshes to increase plant production to prevent excessive loss of soil elevation.","downloadable_attachments":[{"id":43069377,"asset_id":22451630,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":209176,"first_name":"Vanessa","last_name":"Tobias","domain_name":"independent","page_name":"VanessaTobias","display_name":"Vanessa D Tobias","profile_url":"https://independent.academia.edu/VanessaTobias?f_ri=30756","photo":"https://0.academia-photos.com/209176/18896326/28461728/s65_vanessa.tobias.jpg"}],"research_interests":[{"id":2461,"name":"Wetlands","url":"https://www.academia.edu/Documents/in/Wetlands?f_ri=30756","nofollow":true},{"id":8801,"name":"Natural Resource Management","url":"https://www.academia.edu/Documents/in/Natural_Resource_Management?f_ri=30756","nofollow":true},{"id":20284,"name":"Plant Stress 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u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_16466288 coauthored" data-work_id="16466288" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/16466288/Climate_driven_changes_in_the_ecological_stoichiometry_of_aquatic_ecosystems">Climate-driven changes in the ecological stoichiometry of aquatic ecosystems</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest">Ecological stoichiometry and climate change DB van de Waal et al. 146 w ww ww w. .f fr ro on nt ti ie er rs si in ne ec co ol lo og gy y. .o or rg g</div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" 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href="https://independent.academia.edu/EllenDonk">Ellen Donk</a></span></div><div><span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a href="https://wetsus.academia.edu/AnthonyVerschoor">Anthony Verschoor</a></span></div></div></span><script>(function(){ var popoverSettings = { el: $('.js-work-more-authors-16466288'), placement: 'bottom', hide_delay: 200, html: true, content: function(){ return $('.js-additional-users-16466288').html(); } } new HoverPopover(popoverSettings); })();</script></li><li class="js-paper-rank-work_16466288 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="16466288"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 16466288, container: ".js-paper-rank-work_16466288", }); });</script></li><li class="js-percentile-work_16466288 InlineList-item 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class="InlineList-item-text" data-has-card-for-ri="25436" rel="nofollow" href="https://www.academia.edu/Documents/in/Stratification">Stratification</a>, <script data-card-contents-for-ri="25436" type="text/json">{"id":25436,"name":"Stratification","url":"https://www.academia.edu/Documents/in/Stratification?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="28235" rel="nofollow" href="https://www.academia.edu/Documents/in/Multidisciplinary">Multidisciplinary</a>, <script data-card-contents-for-ri="28235" type="text/json">{"id":28235,"name":"Multidisciplinary","url":"https://www.academia.edu/Documents/in/Multidisciplinary?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="30756" rel="nofollow" href="https://www.academia.edu/Documents/in/Ecological_Stoichiometry">Ecological Stoichiometry</a><script data-card-contents-for-ri="30756" type="text/json">{"id":30756,"name":"Ecological 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Verspagen","profile_url":"https://independent.academia.edu/JolandaVerspagen?f_ri=30756","photo":"/images/s65_no_pic.png"},{"id":32539074,"first_name":"Ellen","last_name":"Donk","domain_name":"independent","page_name":"EllenDonk","display_name":"Ellen Donk","profile_url":"https://independent.academia.edu/EllenDonk?f_ri=30756","photo":"/images/s65_no_pic.png"},{"id":13927822,"first_name":"Anthony","last_name":"Verschoor","domain_name":"wetsus","page_name":"AnthonyVerschoor","display_name":"Anthony Verschoor","profile_url":"https://wetsus.academia.edu/AnthonyVerschoor?f_ri=30756","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":1512,"name":"Climate 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Content","url":"https://www.academia.edu/Documents/in/Nutrient_Content?f_ri=30756"},{"id":154925,"name":"Trophic Level","url":"https://www.academia.edu/Documents/in/Trophic_Level?f_ri=30756"},{"id":199046,"name":"Species Composition","url":"https://www.academia.edu/Documents/in/Species_Composition?f_ri=30756"},{"id":619280,"name":"Nutrient Availability","url":"https://www.academia.edu/Documents/in/Nutrient_Availability?f_ri=30756"},{"id":1022026,"name":"Marine ecosystem","url":"https://www.academia.edu/Documents/in/Marine_ecosystem?f_ri=30756"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_17504670 coauthored" data-work_id="17504670" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/17504670/Contrasting_influence_of_soil_nutrients_and_microbial_community_on_differently_sized_basal_consumers">Contrasting influence of soil nutrients and microbial community on differently sized basal consumers</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">There is increasing evidence of the coexistence of trophic and environmental constraints belowground. While too often ignored in current literature, the extent to which phosphorus is relevant for soil biota was demonstrated in this study... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_17504670" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">There is increasing evidence of the coexistence of trophic and environmental constraints belowground. While too often ignored in current literature, the extent to which phosphorus is relevant for soil biota was demonstrated in this study by positive correlations of soil C/P and N/P ratios with all the measured microbial parameters (biomass, density and activity), with the numerical abundance of roundworms (Nematoda) and potworms (Enchytraeidae) from lower trophic levels and with the roundworm biomass. Total worm biomass seems dependent on land use, being in rangelands about twice as high as in croplands, although the relative contribution of potworms remains comparable for both land use types (49±20 % SD versus 45±27 % SD). Besides soil [P], soil type plays an important role in the relative biomass of potworms compared to roundworms. Soil parameters (here pH, C/P and N/P ratios) are better predictors for the abundance and biomass of roundworms than microbial parameters. We also propose a graphical way to visualize the major responses of basal consumers to their microbial drivers.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/17504670" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="b98e887292d7db12bb69c513fe66a2c3" rel="nofollow" data-download="{"attachment_id":39546907,"asset_id":17504670,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/39546907/download_file?st=MTc0MDg3MzI0Niw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="39725305" href="https://uva.academia.edu/JanArieVonk">Jan Arie Vonk</a><script data-card-contents-for-user="39725305" type="text/json">{"id":39725305,"first_name":"Jan Arie","last_name":"Vonk","domain_name":"uva","page_name":"JanArieVonk","display_name":"Jan Arie Vonk","profile_url":"https://uva.academia.edu/JanArieVonk?f_ri=30756","photo":"/images/s65_no_pic.png"}</script></span></span><span class="u-displayInlineBlock InlineList-item-text"> and <span class="u-textDecorationUnderline u-clickable InlineList-item-text js-work-more-authors-17504670">+1</span><div class="hidden js-additional-users-17504670"><div><span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a href="https://unico.academia.edu/ChristianMulder">Christian Mulder</a></span></div></div></span><script>(function(){ var popoverSettings = { el: $('.js-work-more-authors-17504670'), placement: 'bottom', hide_delay: 200, html: true, content: function(){ return $('.js-additional-users-17504670').html(); 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container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_17504670 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="17504670"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 17504670; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=17504670]").text(description); $(".js-view-count-work_17504670").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_17504670").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="17504670"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">8</a>  </div><span class="InlineList-item-text u-textTruncate u-pl9x"><a class="InlineList-item-text" data-has-card-for-ri="1605" rel="nofollow" href="https://www.academia.edu/Documents/in/Soil">Soil</a>, <script data-card-contents-for-ri="1605" type="text/json">{"id":1605,"name":"Soil","url":"https://www.academia.edu/Documents/in/Soil?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="5303" rel="nofollow" href="https://www.academia.edu/Documents/in/Carbon">Carbon</a>, <script data-card-contents-for-ri="5303" type="text/json">{"id":5303,"name":"Carbon","url":"https://www.academia.edu/Documents/in/Carbon?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="30756" rel="nofollow" href="https://www.academia.edu/Documents/in/Ecological_Stoichiometry">Ecological Stoichiometry</a>, <script data-card-contents-for-ri="30756" type="text/json">{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="53108" rel="nofollow" href="https://www.academia.edu/Documents/in/Phosphorus">Phosphorus</a><script data-card-contents-for-ri="53108" type="text/json">{"id":53108,"name":"Phosphorus","url":"https://www.academia.edu/Documents/in/Phosphorus?f_ri=30756","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=17504670]'), work: {"id":17504670,"title":"Contrasting influence of soil nutrients and microbial community on differently sized basal consumers","created_at":"2015-10-30T02:05:44.091-07:00","url":"https://www.academia.edu/17504670/Contrasting_influence_of_soil_nutrients_and_microbial_community_on_differently_sized_basal_consumers?f_ri=30756","dom_id":"work_17504670","summary":"There is increasing evidence of the coexistence of trophic and environmental constraints belowground. While too often ignored in current literature, the extent to which phosphorus is relevant for soil biota was demonstrated in this study by positive correlations of soil C/P and N/P ratios with all the measured microbial parameters (biomass, density and activity), with the numerical abundance of roundworms (Nematoda) and potworms (Enchytraeidae) from lower trophic levels and with the roundworm biomass. Total worm biomass seems dependent on land use, being in rangelands about twice as high as in croplands, although the relative contribution of potworms remains comparable for both land use types (49±20 % SD versus 45±27 % SD). Besides soil [P], soil type plays an important role in the relative biomass of potworms compared to roundworms. Soil parameters (here pH, C/P and N/P ratios) are better predictors for the abundance and biomass of roundworms than microbial parameters. We also propose a graphical way to visualize the major responses of basal consumers to their microbial drivers.","downloadable_attachments":[{"id":39546907,"asset_id":17504670,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":39725305,"first_name":"Jan Arie","last_name":"Vonk","domain_name":"uva","page_name":"JanArieVonk","display_name":"Jan Arie Vonk","profile_url":"https://uva.academia.edu/JanArieVonk?f_ri=30756","photo":"/images/s65_no_pic.png"},{"id":32802788,"first_name":"Christian","last_name":"Mulder","domain_name":"unico","page_name":"ChristianMulder","display_name":"Christian Mulder","profile_url":"https://unico.academia.edu/ChristianMulder?f_ri=30756","photo":"https://0.academia-photos.com/32802788/10913429/12179048/s65_christian.mulder.jpg"}],"research_interests":[{"id":1605,"name":"Soil","url":"https://www.academia.edu/Documents/in/Soil?f_ri=30756","nofollow":true},{"id":5303,"name":"Carbon","url":"https://www.academia.edu/Documents/in/Carbon?f_ri=30756","nofollow":true},{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true},{"id":53108,"name":"Phosphorus","url":"https://www.academia.edu/Documents/in/Phosphorus?f_ri=30756","nofollow":true},{"id":77967,"name":"Allometry","url":"https://www.academia.edu/Documents/in/Allometry?f_ri=30756"},{"id":151091,"name":"Nitrogen","url":"https://www.academia.edu/Documents/in/Nitrogen?f_ri=30756"},{"id":164264,"name":"Body Size","url":"https://www.academia.edu/Documents/in/Body_Size?f_ri=30756"},{"id":231547,"name":"Soil Microbiology","url":"https://www.academia.edu/Documents/in/Soil_Microbiology?f_ri=30756"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_8520751" data-work_id="8520751" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/8520751/Ecological_networks_beyond_food_webs">Ecological networks – beyond food webs</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">A fundamental goal of ecological network research is to understand how the complexity observed in nature can persist and how this affects ecosystem functioning. This is essential for us to be able to predict, and eventually mitigate, the... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_8520751" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">A fundamental goal of ecological network research is to understand how the complexity observed in nature can persist and how this affects ecosystem functioning. This is essential for us to be able to predict, and eventually mitigate, the consequences of increasing environmental perturbations such as habitat loss, climate change, and invasions of exotic species. 2. Ecological networks can be subdivided into three broad types: 'traditional' food webs, mutualistic networks and host-parasitoid networks. There is a recent trend towards cross-comparisons among network types and also to take a more mechanistic, as opposed to phenomenological, perspective. For example, analysis of network configurations, such as compartments, allows us to explore the role of co-evolution in structuring mutualistic networks and host-parasitoid networks, and of body size in food webs. 3. Research into ecological networks has recently undergone a renaissance, leading to the production of a new catalogue of evermore complete, taxonomically resolved, and quantitative data. Novel topological patterns have been unearthed and it is increasingly evident that it is the distribution of interaction strengths and the configuration of complexity, rather than just its magnitude, that governs network stability and structure. 4. Another significant advance is the growing recognition of the importance of individual traits and behaviour: interactions, after all, occur between individuals. The new generation of high-quality networks is now enabling us to move away from describing networks based on species-averaged data and to start exploring patterns based on individuals. Such refinements will enable us to address more general ecological questions relating to foraging theory and the recent metabolic theory of ecology. 5. We conclude by suggesting a number of 'dead ends' and 'fruitful avenues' for future research into ecological networks.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/8520751" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="11767540fbe891cf382d19da338b2cd0" rel="nofollow" data-download="{"attachment_id":34899587,"asset_id":8520751,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/34899587/download_file?st=MTc0MDg3MzI0Niw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="17474297" href="https://unal.academia.edu/LuisAlbertoGuerraVargas">Luis Alberto Guerra Vargas</a><script data-card-contents-for-user="17474297" type="text/json">{"id":17474297,"first_name":"Luis Alberto","last_name":"Guerra Vargas","domain_name":"unal","page_name":"LuisAlbertoGuerraVargas","display_name":"Luis Alberto Guerra Vargas","profile_url":"https://unal.academia.edu/LuisAlbertoGuerraVargas?f_ri=30756","photo":"https://0.academia-photos.com/17474297/5766042/6554183/s65_luis_alberto.guerra_vargas.jpg"}</script></span></span></li><li class="js-paper-rank-work_8520751 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="8520751"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 8520751, container: ".js-paper-rank-work_8520751", }); 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$(".js-view-count[data-work-id=8520751]").text(description); $(".js-view-count-work_8520751").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_8520751").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="8520751"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">4</a>  </div><span class="InlineList-item-text u-textTruncate u-pl9x"><a class="InlineList-item-text" data-has-card-for-ri="9846" rel="nofollow" href="https://www.academia.edu/Documents/in/Ecology">Ecology</a>, <script data-card-contents-for-ri="9846" type="text/json">{"id":9846,"name":"Ecology","url":"https://www.academia.edu/Documents/in/Ecology?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="30756" rel="nofollow" href="https://www.academia.edu/Documents/in/Ecological_Stoichiometry">Ecological Stoichiometry</a>, <script data-card-contents-for-ri="30756" type="text/json">{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="60621" rel="nofollow" href="https://www.academia.edu/Documents/in/Foraging_Theory">Foraging Theory</a>, <script data-card-contents-for-ri="60621" type="text/json">{"id":60621,"name":"Foraging Theory","url":"https://www.academia.edu/Documents/in/Foraging_Theory?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="164263" rel="nofollow" href="https://www.academia.edu/Documents/in/Metabolic_Theory_of_Ecology">Metabolic Theory of Ecology</a><script data-card-contents-for-ri="164263" type="text/json">{"id":164263,"name":"Metabolic Theory of Ecology","url":"https://www.academia.edu/Documents/in/Metabolic_Theory_of_Ecology?f_ri=30756","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=8520751]'), work: {"id":8520751,"title":"Ecological networks – beyond food webs","created_at":"2014-09-27T09:18:48.856-07:00","url":"https://www.academia.edu/8520751/Ecological_networks_beyond_food_webs?f_ri=30756","dom_id":"work_8520751","summary":"A fundamental goal of ecological network research is to understand how the complexity observed in nature can persist and how this affects ecosystem functioning. This is essential for us to be able to predict, and eventually mitigate, the consequences of increasing environmental perturbations such as habitat loss, climate change, and invasions of exotic species. 2. Ecological networks can be subdivided into three broad types: 'traditional' food webs, mutualistic networks and host-parasitoid networks. There is a recent trend towards cross-comparisons among network types and also to take a more mechanistic, as opposed to phenomenological, perspective. For example, analysis of network configurations, such as compartments, allows us to explore the role of co-evolution in structuring mutualistic networks and host-parasitoid networks, and of body size in food webs. 3. Research into ecological networks has recently undergone a renaissance, leading to the production of a new catalogue of evermore complete, taxonomically resolved, and quantitative data. Novel topological patterns have been unearthed and it is increasingly evident that it is the distribution of interaction strengths and the configuration of complexity, rather than just its magnitude, that governs network stability and structure. 4. Another significant advance is the growing recognition of the importance of individual traits and behaviour: interactions, after all, occur between individuals. The new generation of high-quality networks is now enabling us to move away from describing networks based on species-averaged data and to start exploring patterns based on individuals. Such refinements will enable us to address more general ecological questions relating to foraging theory and the recent metabolic theory of ecology. 5. We conclude by suggesting a number of 'dead ends' and 'fruitful avenues' for future research into ecological networks.","downloadable_attachments":[{"id":34899587,"asset_id":8520751,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":17474297,"first_name":"Luis Alberto","last_name":"Guerra Vargas","domain_name":"unal","page_name":"LuisAlbertoGuerraVargas","display_name":"Luis Alberto Guerra Vargas","profile_url":"https://unal.academia.edu/LuisAlbertoGuerraVargas?f_ri=30756","photo":"https://0.academia-photos.com/17474297/5766042/6554183/s65_luis_alberto.guerra_vargas.jpg"}],"research_interests":[{"id":9846,"name":"Ecology","url":"https://www.academia.edu/Documents/in/Ecology?f_ri=30756","nofollow":true},{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true},{"id":60621,"name":"Foraging Theory","url":"https://www.academia.edu/Documents/in/Foraging_Theory?f_ri=30756","nofollow":true},{"id":164263,"name":"Metabolic Theory of Ecology","url":"https://www.academia.edu/Documents/in/Metabolic_Theory_of_Ecology?f_ri=30756","nofollow":true}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_22245296" data-work_id="22245296" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/22245296/Trophic_trait_plasticity_in_response_to_changes_in_resource_availability_and_predation_risk">Trophic trait plasticity in response to changes in resource availability and predation risk</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">1. Animals can mitigate the consequences of conflicting food-web constraints (e.g. resource availability vs. predation risk) through plasticity in the expression of functional traits. Because functional trait expression in turn determines... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_22245296" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">1. Animals can mitigate the consequences of conflicting food-web constraints (e.g. resource availability vs. predation risk) through plasticity in the expression of functional traits. Because functional trait expression in turn determines a species' impact on ecosystem functions, e.g. its trophic function, there is a growing need to develop a predictive theory that links trait plasticity to ecosystem functioning. But there is currently an incomplete empirical foundation on which to develop such theory. 2. To address this issue, we explored the link between plasticity in a suite of traits (e.g. head morphology, gut size, bite size) that determine the trophic function of a generalist grasshopper herbivore facing predation risk. We reared grasshoppers in the field under two single-forage environments where the plant resources had different physical and nutritional properties and in intermediate mixed-forage environments with or without risk of spider predation. 3. We found that in the single-forage environments, grasshoppers became more efficient at ingesting the resource they were reared on. 4. In mixed-resource environments, grasshoppers developed a phenotype that was not intermediate to the phenotypes in the two single-forage environments, regardless of predation risk. 5. We propose that the suite of phenotypic changes observed in our study represent two alternative feeding strategies that vary with the possibility of using behavioural resource selection in different environmental contexts. 6. Our results suggest that plasticity in trophic function may not emerge from a direct link between the primary traits that determine consumer consumption efficiency given the physical properties of its resources (as is customarily presumed) but rather indirectly from secondary traits that may remain latent until such time that they are drawn into play when the species faces a particular challenge. This means that fully understanding how functional traits influence a species' role in an ecosystem requires consideration of a broader suite of traits than simply those assumed to constrain resource ingestion.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/22245296" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="092555a46bb0724b930f9c509d8b646d" rel="nofollow" data-download="{"attachment_id":42896339,"asset_id":22245296,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/42896339/download_file?st=MTc0MDg3MzI0Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="31613924" href="https://independent.academia.edu/OswaldSchmitz">Oswald Schmitz</a><script data-card-contents-for-user="31613924" type="text/json">{"id":31613924,"first_name":"Oswald","last_name":"Schmitz","domain_name":"independent","page_name":"OswaldSchmitz","display_name":"Oswald Schmitz","profile_url":"https://independent.academia.edu/OswaldSchmitz?f_ri=30756","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_22245296 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="22245296"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 22245296, container: ".js-paper-rank-work_22245296", }); 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$(".js-view-count[data-work-id=22245296]").text(description); $(".js-view-count-work_22245296").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_22245296").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="22245296"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">5</a>  </div><span class="InlineList-item-text u-textTruncate u-pl9x"><a class="InlineList-item-text" data-has-card-for-ri="8340" rel="nofollow" href="https://www.academia.edu/Documents/in/Functional_Ecology">Functional Ecology</a>, <script data-card-contents-for-ri="8340" type="text/json">{"id":8340,"name":"Functional Ecology","url":"https://www.academia.edu/Documents/in/Functional_Ecology?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="21071" rel="nofollow" href="https://www.academia.edu/Documents/in/Phenotypic_Plasticity">Phenotypic Plasticity</a>, <script data-card-contents-for-ri="21071" type="text/json">{"id":21071,"name":"Phenotypic Plasticity","url":"https://www.academia.edu/Documents/in/Phenotypic_Plasticity?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="30756" rel="nofollow" href="https://www.academia.edu/Documents/in/Ecological_Stoichiometry">Ecological Stoichiometry</a>, <script data-card-contents-for-ri="30756" type="text/json">{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="47884" rel="nofollow" href="https://www.academia.edu/Documents/in/Biological_Sciences">Biological Sciences</a><script data-card-contents-for-ri="47884" type="text/json">{"id":47884,"name":"Biological Sciences","url":"https://www.academia.edu/Documents/in/Biological_Sciences?f_ri=30756","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=22245296]'), work: {"id":22245296,"title":"Trophic trait plasticity in response to changes in resource availability and predation risk","created_at":"2016-02-21T03:16:41.376-08:00","url":"https://www.academia.edu/22245296/Trophic_trait_plasticity_in_response_to_changes_in_resource_availability_and_predation_risk?f_ri=30756","dom_id":"work_22245296","summary":"1. Animals can mitigate the consequences of conflicting food-web constraints (e.g. resource availability vs. predation risk) through plasticity in the expression of functional traits. Because functional trait expression in turn determines a species' impact on ecosystem functions, e.g. its trophic function, there is a growing need to develop a predictive theory that links trait plasticity to ecosystem functioning. But there is currently an incomplete empirical foundation on which to develop such theory. 2. To address this issue, we explored the link between plasticity in a suite of traits (e.g. head morphology, gut size, bite size) that determine the trophic function of a generalist grasshopper herbivore facing predation risk. We reared grasshoppers in the field under two single-forage environments where the plant resources had different physical and nutritional properties and in intermediate mixed-forage environments with or without risk of spider predation. 3. We found that in the single-forage environments, grasshoppers became more efficient at ingesting the resource they were reared on. 4. In mixed-resource environments, grasshoppers developed a phenotype that was not intermediate to the phenotypes in the two single-forage environments, regardless of predation risk. 5. We propose that the suite of phenotypic changes observed in our study represent two alternative feeding strategies that vary with the possibility of using behavioural resource selection in different environmental contexts. 6. Our results suggest that plasticity in trophic function may not emerge from a direct link between the primary traits that determine consumer consumption efficiency given the physical properties of its resources (as is customarily presumed) but rather indirectly from secondary traits that may remain latent until such time that they are drawn into play when the species faces a particular challenge. This means that fully understanding how functional traits influence a species' role in an ecosystem requires consideration of a broader suite of traits than simply those assumed to constrain resource ingestion.","downloadable_attachments":[{"id":42896339,"asset_id":22245296,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":31613924,"first_name":"Oswald","last_name":"Schmitz","domain_name":"independent","page_name":"OswaldSchmitz","display_name":"Oswald Schmitz","profile_url":"https://independent.academia.edu/OswaldSchmitz?f_ri=30756","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":8340,"name":"Functional Ecology","url":"https://www.academia.edu/Documents/in/Functional_Ecology?f_ri=30756","nofollow":true},{"id":21071,"name":"Phenotypic Plasticity","url":"https://www.academia.edu/Documents/in/Phenotypic_Plasticity?f_ri=30756","nofollow":true},{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true},{"id":47884,"name":"Biological Sciences","url":"https://www.academia.edu/Documents/in/Biological_Sciences?f_ri=30756","nofollow":true},{"id":58054,"name":"Environmental Sciences","url":"https://www.academia.edu/Documents/in/Environmental_Sciences?f_ri=30756"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_17504694" data-work_id="17504694" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/17504694/Soil_acidity_ecological_stoichiometry_and_allometric_scaling_in_grassland_food_webs">Soil acidity, ecological stoichiometry and allometric scaling in grassland food webs</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">The factors regulating the structure of food webs are a central focus of community and ecosystem ecology, as trophic interactions among species have important impacts on nutrient storage and cycling in many ecosystems. For soil... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_17504694" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">The factors regulating the structure of food webs are a central focus of community and ecosystem ecology, as trophic interactions among species have important impacts on nutrient storage and cycling in many ecosystems. For soil invertebrates in grassland ecosystems in the Netherlands, the site-specific slopes of the faunal biomass to organism body mass relationships reflected basic biochemical and biogeochemical processes associated with soil acidity and soil C : N : P stoichiometry. That is, the higher the phosphorus availability in the soil, the higher, on average, the slope of the faunal biomass size spectrum (i.e., the higher the biomass of large-bodied invertebrates relative to the biomass of small invertebrates). While other factors may also be involved, these results are consistent with the growth rate hypothesis from biological stoichiometry that relates phosphorus demands to ribosomal RNA and protein production. Thus our data represent the first time that ecosystem phosphorus availability has been associated with allometry in soil food webs (supporting information available online). Our results have broad implications, as soil invertebrates of different size have different effects on soil processes.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/17504694" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="abb6f2b0b690c8a9136571a91c5b0634" rel="nofollow" data-download="{"attachment_id":39546919,"asset_id":17504694,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/39546919/download_file?st=MTc0MDg3MzI0Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="32802788" href="https://unico.academia.edu/ChristianMulder">Christian Mulder</a><script data-card-contents-for-user="32802788" type="text/json">{"id":32802788,"first_name":"Christian","last_name":"Mulder","domain_name":"unico","page_name":"ChristianMulder","display_name":"Christian Mulder","profile_url":"https://unico.academia.edu/ChristianMulder?f_ri=30756","photo":"https://0.academia-photos.com/32802788/10913429/12179048/s65_christian.mulder.jpg"}</script></span></span></li><li class="js-paper-rank-work_17504694 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="17504694"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 17504694, container: ".js-paper-rank-work_17504694", }); });</script></li><li class="js-percentile-work_17504694 InlineList-item InlineList-item--bordered hidden u-tcGrayDark"><span class="percentile-widget hidden"><span class="u-mr2x percentile-widget" style="display: none">•</span><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 17504694; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_17504694"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_17504694 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="17504694"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 17504694; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=17504694]").text(description); $(".js-view-count-work_17504694").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_17504694").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="17504694"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">3</a>  </div><span class="InlineList-item-text u-textTruncate u-pl9x"><a class="InlineList-item-text" data-has-card-for-ri="26039" rel="nofollow" href="https://www.academia.edu/Documents/in/Global_Change_Biology">Global Change Biology</a>, <script data-card-contents-for-ri="26039" type="text/json">{"id":26039,"name":"Global Change Biology","url":"https://www.academia.edu/Documents/in/Global_Change_Biology?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="30756" rel="nofollow" href="https://www.academia.edu/Documents/in/Ecological_Stoichiometry">Ecological Stoichiometry</a>, <script data-card-contents-for-ri="30756" type="text/json">{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="873923" rel="nofollow" href="https://www.academia.edu/Documents/in/Allometric_Scaling">Allometric Scaling</a><script data-card-contents-for-ri="873923" type="text/json">{"id":873923,"name":"Allometric Scaling","url":"https://www.academia.edu/Documents/in/Allometric_Scaling?f_ri=30756","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=17504694]'), work: {"id":17504694,"title":"Soil acidity, ecological stoichiometry and allometric scaling in grassland food webs","created_at":"2015-10-30T02:05:56.719-07:00","url":"https://www.academia.edu/17504694/Soil_acidity_ecological_stoichiometry_and_allometric_scaling_in_grassland_food_webs?f_ri=30756","dom_id":"work_17504694","summary":"The factors regulating the structure of food webs are a central focus of community and ecosystem ecology, as trophic interactions among species have important impacts on nutrient storage and cycling in many ecosystems. For soil invertebrates in grassland ecosystems in the Netherlands, the site-specific slopes of the faunal biomass to organism body mass relationships reflected basic biochemical and biogeochemical processes associated with soil acidity and soil C : N : P stoichiometry. That is, the higher the phosphorus availability in the soil, the higher, on average, the slope of the faunal biomass size spectrum (i.e., the higher the biomass of large-bodied invertebrates relative to the biomass of small invertebrates). While other factors may also be involved, these results are consistent with the growth rate hypothesis from biological stoichiometry that relates phosphorus demands to ribosomal RNA and protein production. Thus our data represent the first time that ecosystem phosphorus availability has been associated with allometry in soil food webs (supporting information available online). Our results have broad implications, as soil invertebrates of different size have different effects on soil processes.","downloadable_attachments":[{"id":39546919,"asset_id":17504694,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":32802788,"first_name":"Christian","last_name":"Mulder","domain_name":"unico","page_name":"ChristianMulder","display_name":"Christian Mulder","profile_url":"https://unico.academia.edu/ChristianMulder?f_ri=30756","photo":"https://0.academia-photos.com/32802788/10913429/12179048/s65_christian.mulder.jpg"}],"research_interests":[{"id":26039,"name":"Global Change Biology","url":"https://www.academia.edu/Documents/in/Global_Change_Biology?f_ri=30756","nofollow":true},{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true},{"id":873923,"name":"Allometric Scaling","url":"https://www.academia.edu/Documents/in/Allometric_Scaling?f_ri=30756","nofollow":true}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_9846968" data-work_id="9846968" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/9846968/Spring_bloom_community_change_modifies_carbon_pathways_and_C_N_P_Chl_a_stoichiometry_of_coastal_material_fluxes">Spring bloom community change modifies carbon pathways and C : N : P : Chl a stoichiometry of coastal material fluxes</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Diatoms and dinoflagellates are major bloomforming phytoplankton groups competing for resources in the oceans and coastal seas. Recent evidence suggests that their competition is significantly affected by climatic factors under ongoing... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_9846968" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Diatoms and dinoflagellates are major bloomforming<br />phytoplankton groups competing for resources in<br />the oceans and coastal seas. Recent evidence suggests that<br />their competition is significantly affected by climatic factors<br />under ongoing change, modifying especially the conditions<br />for cold-water, spring bloom communities in temperate<br />and Arctic regions. We investigated the effects of phytoplankton<br />community composition on spring bloom carbon<br />flows and nutrient stoichiometry in multiyear mesocosm<br />experiments. Comparison of differing communities showed<br />that community structure significantly affected C accumulation<br />parameters, with highest particulate organic carbon<br />(POC) buildup and dissolved organic carbon (DOC) release<br />in diatom-dominated communities. In terms of inorganic nutrient<br />drawdown and bloom accumulation phase, the dominating<br />groups behaved as functional surrogates. Dominance<br />patterns, however, significantly affected C : N : P : Chl a ratios<br />over the whole bloom event: when diatoms were dominant,<br />these ratios increased compared to dinoflagellate dominance<br />or mixed communities. Diatom-dominated communities<br />sequestered carbon up to 3.6-fold higher than the expectation<br />based on the Redfield ratio, and 2-fold higher compared<br />to dinoflagellate dominance. To our knowledge, this is<br />the first experimental report of consequences of climatically<br />driven shifts in phytoplankton dominance patterns for carbon<br />sequestration and related biogeochemical cycles in coastal<br />seas. Our results also highlight the need for remote sensing<br />technologies with taxonomical resolution, as the C : Chl a ratio<br />was strongly dependent on community composition and<br />bloom stage. Climate-driven changes in phytoplankton dominance<br />patterns will have far-reaching consequences for major<br />biogeochemical cycles and need to be considered in climate<br />change scenarios for marine systems.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/9846968" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="3b3c2be5f24676d83d036aa656ab05d3" rel="nofollow" data-download="{"attachment_id":36012657,"asset_id":9846968,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/36012657/download_file?st=MTc0MDg3MzI0Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="4098796" href="https://environment.academia.edu/KristianSpilling">Kristian Spilling</a><script data-card-contents-for-user="4098796" type="text/json">{"id":4098796,"first_name":"Kristian","last_name":"Spilling","domain_name":"environment","page_name":"KristianSpilling","display_name":"Kristian Spilling","profile_url":"https://environment.academia.edu/KristianSpilling?f_ri=30756","photo":"https://0.academia-photos.com/4098796/1581222/1913855/s65_kristian.spilling.jpg"}</script></span></span></li><li class="js-paper-rank-work_9846968 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="9846968"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 9846968, container: ".js-paper-rank-work_9846968", }); });</script></li><li class="js-percentile-work_9846968 InlineList-item InlineList-item--bordered hidden u-tcGrayDark"><span class="percentile-widget hidden"><span class="u-mr2x percentile-widget" style="display: none">•</span><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 9846968; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_9846968"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_9846968 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="9846968"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 9846968; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=9846968]").text(description); $(".js-view-count-work_9846968").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_9846968").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="9846968"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">7</a>  </div><span class="InlineList-item-text u-textTruncate u-pl9x"><a class="InlineList-item-text" data-has-card-for-ri="158" rel="nofollow" href="https://www.academia.edu/Documents/in/Marine_Biology">Marine Biology</a>, <script data-card-contents-for-ri="158" type="text/json">{"id":158,"name":"Marine Biology","url":"https://www.academia.edu/Documents/in/Marine_Biology?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="6598" rel="nofollow" href="https://www.academia.edu/Documents/in/Phytoplankton_Ecology">Phytoplankton Ecology</a>, <script data-card-contents-for-ri="6598" type="text/json">{"id":6598,"name":"Phytoplankton Ecology","url":"https://www.academia.edu/Documents/in/Phytoplankton_Ecology?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="14718" rel="nofollow" href="https://www.academia.edu/Documents/in/Biogeochemical_cycles">Biogeochemical cycles</a>, <script data-card-contents-for-ri="14718" type="text/json">{"id":14718,"name":"Biogeochemical cycles","url":"https://www.academia.edu/Documents/in/Biogeochemical_cycles?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="17257" rel="nofollow" href="https://www.academia.edu/Documents/in/Dinoflagellates">Dinoflagellates</a><script data-card-contents-for-ri="17257" type="text/json">{"id":17257,"name":"Dinoflagellates","url":"https://www.academia.edu/Documents/in/Dinoflagellates?f_ri=30756","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=9846968]'), work: {"id":9846968,"title":"Spring bloom community change modifies carbon pathways and C : N : P : Chl a stoichiometry of coastal material fluxes","created_at":"2014-12-20T11:47:50.817-08:00","url":"https://www.academia.edu/9846968/Spring_bloom_community_change_modifies_carbon_pathways_and_C_N_P_Chl_a_stoichiometry_of_coastal_material_fluxes?f_ri=30756","dom_id":"work_9846968","summary":"Diatoms and dinoflagellates are major bloomforming\nphytoplankton groups competing for resources in\nthe oceans and coastal seas. Recent evidence suggests that\ntheir competition is significantly affected by climatic factors\nunder ongoing change, modifying especially the conditions\nfor cold-water, spring bloom communities in temperate\nand Arctic regions. We investigated the effects of phytoplankton\ncommunity composition on spring bloom carbon\nflows and nutrient stoichiometry in multiyear mesocosm\nexperiments. Comparison of differing communities showed\nthat community structure significantly affected C accumulation\nparameters, with highest particulate organic carbon\n(POC) buildup and dissolved organic carbon (DOC) release\nin diatom-dominated communities. In terms of inorganic nutrient\ndrawdown and bloom accumulation phase, the dominating\ngroups behaved as functional surrogates. Dominance\npatterns, however, significantly affected C : N : P : Chl a ratios\nover the whole bloom event: when diatoms were dominant,\nthese ratios increased compared to dinoflagellate dominance\nor mixed communities. Diatom-dominated communities\nsequestered carbon up to 3.6-fold higher than the expectation\nbased on the Redfield ratio, and 2-fold higher compared\nto dinoflagellate dominance. To our knowledge, this is\nthe first experimental report of consequences of climatically\ndriven shifts in phytoplankton dominance patterns for carbon\nsequestration and related biogeochemical cycles in coastal\nseas. Our results also highlight the need for remote sensing\ntechnologies with taxonomical resolution, as the C : Chl a ratio\nwas strongly dependent on community composition and\nbloom stage. Climate-driven changes in phytoplankton dominance\npatterns will have far-reaching consequences for major\nbiogeochemical cycles and need to be considered in climate\nchange scenarios for marine systems.","downloadable_attachments":[{"id":36012657,"asset_id":9846968,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":4098796,"first_name":"Kristian","last_name":"Spilling","domain_name":"environment","page_name":"KristianSpilling","display_name":"Kristian Spilling","profile_url":"https://environment.academia.edu/KristianSpilling?f_ri=30756","photo":"https://0.academia-photos.com/4098796/1581222/1913855/s65_kristian.spilling.jpg"}],"research_interests":[{"id":158,"name":"Marine Biology","url":"https://www.academia.edu/Documents/in/Marine_Biology?f_ri=30756","nofollow":true},{"id":6598,"name":"Phytoplankton Ecology","url":"https://www.academia.edu/Documents/in/Phytoplankton_Ecology?f_ri=30756","nofollow":true},{"id":14718,"name":"Biogeochemical cycles","url":"https://www.academia.edu/Documents/in/Biogeochemical_cycles?f_ri=30756","nofollow":true},{"id":17257,"name":"Dinoflagellates","url":"https://www.academia.edu/Documents/in/Dinoflagellates?f_ri=30756","nofollow":true},{"id":23491,"name":"Diatoms","url":"https://www.academia.edu/Documents/in/Diatoms?f_ri=30756"},{"id":24638,"name":"Marine Biogeochemistry","url":"https://www.academia.edu/Documents/in/Marine_Biogeochemistry?f_ri=30756"},{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_4554758" data-work_id="4554758" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/4554758/Ethane_oxidation_and_pyrolysis_from_5_bar_to_1000_bar_Experiments_and_simulation">Ethane oxidation and pyrolysis from 5 bar to 1000 bar: Experiments and simulation</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">An extensive experimental study of ethane oxidation and pyrolysis has been conducted in the high pressure shock tube at UIC covering reflected shock pressures from 5-1000 bar, reaction temperatures up to 1550 K and stoichiometric (Φ = 1... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_4554758" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">An extensive experimental study of ethane oxidation and pyrolysis has been conducted in the high pressure shock tube at UIC covering reflected shock pressures from 5-1000 bar, reaction temperatures up to 1550 K and stoichiometric (Φ = 1 ), fuel rich (Φ = 5), and pyrolytic mixtures. The experimental data has been used to develop a single model that can simulate the whole dataset very well and is the first ethane model capable of simulating experimental results over such an extensive range of pressure, temperature, and stoichiometry. © 2005 Wiley Periodicals, Inc. <br /> <br /><a href="http://onlinelibrary.wiley.com/doi/10.1002/kin.20067/full" rel="nofollow">http://onlinelibrary.wiley.com/doi/10.1002/kin.20067/full</a></div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/4554758" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="6f5afe4f28d317537c5d8a6147f302d5" rel="nofollow" data-download="{"attachment_id":31933951,"asset_id":4554758,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/31933951/download_file?st=MTc0MDg3MzI0Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="2799588" href="https://malaya.academia.edu/AbdAzizAbdRaman">Abdul Aziz Abdul Raman</a><script data-card-contents-for-user="2799588" type="text/json">{"id":2799588,"first_name":"Abdul Aziz","last_name":"Abdul Raman","domain_name":"malaya","page_name":"AbdAzizAbdRaman","display_name":"Abdul Aziz Abdul Raman","profile_url":"https://malaya.academia.edu/AbdAzizAbdRaman?f_ri=30756","photo":"https://0.academia-photos.com/2799588/916272/2876922/s65_abd_aziz.abd_raman.jpg"}</script></span></span></li><li class="js-paper-rank-work_4554758 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="4554758"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 4554758, container: ".js-paper-rank-work_4554758", }); 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$(".js-view-count[data-work-id=4554758]").text(description); $(".js-view-count-work_4554758").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_4554758").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="4554758"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">15</a>  </div><span class="InlineList-item-text u-textTruncate u-pl10x"><a class="InlineList-item-text" data-has-card-for-ri="14136" rel="nofollow" href="https://www.academia.edu/Documents/in/Pyrolysis">Pyrolysis</a>, <script data-card-contents-for-ri="14136" type="text/json">{"id":14136,"name":"Pyrolysis","url":"https://www.academia.edu/Documents/in/Pyrolysis?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="30756" rel="nofollow" href="https://www.academia.edu/Documents/in/Ecological_Stoichiometry">Ecological Stoichiometry</a>, <script data-card-contents-for-ri="30756" type="text/json">{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="33318" rel="nofollow" href="https://www.academia.edu/Documents/in/Shock_Waves">Shock Waves</a>, <script data-card-contents-for-ri="33318" type="text/json">{"id":33318,"name":"Shock Waves","url":"https://www.academia.edu/Documents/in/Shock_Waves?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="69542" rel="nofollow" href="https://www.academia.edu/Documents/in/Computer_Simulation">Computer Simulation</a><script data-card-contents-for-ri="69542" type="text/json">{"id":69542,"name":"Computer Simulation","url":"https://www.academia.edu/Documents/in/Computer_Simulation?f_ri=30756","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=4554758]'), work: {"id":4554758,"title":"Ethane oxidation and pyrolysis from 5 bar to 1000 bar: Experiments and simulation","created_at":"2013-09-22T13:21:51.005-07:00","url":"https://www.academia.edu/4554758/Ethane_oxidation_and_pyrolysis_from_5_bar_to_1000_bar_Experiments_and_simulation?f_ri=30756","dom_id":"work_4554758","summary":"An extensive experimental study of ethane oxidation and pyrolysis has been conducted in the high pressure shock tube at UIC covering reflected shock pressures from 5-1000 bar, reaction temperatures up to 1550 K and stoichiometric (Φ = 1 ), fuel rich (Φ = 5), and pyrolytic mixtures. The experimental data has been used to develop a single model that can simulate the whole dataset very well and is the first ethane model capable of simulating experimental results over such an extensive range of pressure, temperature, and stoichiometry. © 2005 Wiley Periodicals, Inc.\r\n\r\nhttp://onlinelibrary.wiley.com/doi/10.1002/kin.20067/full ","downloadable_attachments":[{"id":31933951,"asset_id":4554758,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":2799588,"first_name":"Abdul Aziz","last_name":"Abdul Raman","domain_name":"malaya","page_name":"AbdAzizAbdRaman","display_name":"Abdul Aziz Abdul Raman","profile_url":"https://malaya.academia.edu/AbdAzizAbdRaman?f_ri=30756","photo":"https://0.academia-photos.com/2799588/916272/2876922/s65_abd_aziz.abd_raman.jpg"}],"research_interests":[{"id":14136,"name":"Pyrolysis","url":"https://www.academia.edu/Documents/in/Pyrolysis?f_ri=30756","nofollow":true},{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true},{"id":33318,"name":"Shock Waves","url":"https://www.academia.edu/Documents/in/Shock_Waves?f_ri=30756","nofollow":true},{"id":69542,"name":"Computer Simulation","url":"https://www.academia.edu/Documents/in/Computer_Simulation?f_ri=30756","nofollow":true},{"id":151378,"name":"Helium","url":"https://www.academia.edu/Documents/in/Helium?f_ri=30756"},{"id":161318,"name":"Mathematical Models","url":"https://www.academia.edu/Documents/in/Mathematical_Models?f_ri=30756"},{"id":473338,"name":"Acetylene","url":"https://www.academia.edu/Documents/in/Acetylene?f_ri=30756"},{"id":473339,"name":"Ethane","url":"https://www.academia.edu/Documents/in/Ethane?f_ri=30756"},{"id":563382,"name":"Oxidation","url":"https://www.academia.edu/Documents/in/Oxidation?f_ri=30756"},{"id":976404,"name":"Reaction Kinetics","url":"https://www.academia.edu/Documents/in/Reaction_Kinetics?f_ri=30756"},{"id":1126080,"name":"Reaction Mixtures","url":"https://www.academia.edu/Documents/in/Reaction_Mixtures?f_ri=30756"},{"id":1126081,"name":"Reaction Temperatures","url":"https://www.academia.edu/Documents/in/Reaction_Temperatures?f_ri=30756"},{"id":1126085,"name":"High Pressure Effects","url":"https://www.academia.edu/Documents/in/High_Pressure_Effects?f_ri=30756"},{"id":1126086,"name":"Pressure Transducers","url":"https://www.academia.edu/Documents/in/Pressure_Transducers?f_ri=30756"},{"id":1126087,"name":"Shock Tubes","url":"https://www.academia.edu/Documents/in/Shock_Tubes?f_ri=30756"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_445656" data-work_id="445656" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/445656/Exploring_patterns_and_mechanisms_of_interspecific_and_intraspecific_variation_in_body_elemental_composition_of_desert_consumers">Exploring patterns and mechanisms of interspecific and intraspecific variation in body elemental composition of desert consumers</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Key processes such as trophic interactions and nutrient cycling are often influenced by the element content of organ- isms. Previous analyses have led to some preliminary understanding of the relative importance of evolutionary and... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_445656" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Key processes such as trophic interactions and nutrient cycling are often influenced by the element content of organ- isms. Previous analyses have led to some preliminary understanding of the relative importance of evolutionary and ecological factors determining animal stoichiometry. However, to date, the patterns and underlying mechanisms of consumer stoichiometry at interspecific and intraspecific levels within natural ecosystems remain poorly investigated. Here, we examine the association between phylogeny, trophic level, body size, and ontogeny and the elemental com- position of 22 arthropod as well as two lizard species from the coastal zone of the Atacama Desert in Chile. We found that, in general, whole-body P content was more variable than body N content both among and within species. Body P content showed a significant phylogenetic signal; however, phylogeny explained only 4% of the variation in body P content across arthropod species. We also found a significant association between trophic level and the element content of arthropods, with carnivores having 15% greater N and 70% greater P contents than herbivores. Elemental scaling relationships across species were only significant for body P content, and even the P content scaling relationship was not significant after controlling for phylogeny. P content did decrease significantly with body size within most arthropod species, which may reflect the size dependence of RNA content in invertebrates. In contrast, larger lizards had higher P contents and lower N:P ratios than smaller lizards, which may be explained by size-associated differences in bone and scale investments. Our results suggests that structural differences in material allocation, trophic level and phylogeny can all contribute to variation in the stoichiometry of desert consumers, and they indicate that the elemental composition of animals can be useful information for identifying broad-scale linkages between nutrient cycling and trophic interactions in terrestrial food webs.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/445656" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="9b7d6a4455aa7d02c49e43a954bc81a7" rel="nofollow" data-download="{"attachment_id":31339144,"asset_id":445656,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/31339144/download_file?st=MTc0MDg3MzI0Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="326947" href="https://ubc.academia.edu/AngelicaGonzalez">Angélica L. González</a><script data-card-contents-for-user="326947" type="text/json">{"id":326947,"first_name":"Angélica L.","last_name":"González","domain_name":"ubc","page_name":"AngelicaGonzalez","display_name":"Angélica L. González","profile_url":"https://ubc.academia.edu/AngelicaGonzalez?f_ri=30756","photo":"https://0.academia-photos.com/326947/92695/102279/s65_angelica.gonzalez.jpg"}</script></span></span></li><li class="js-paper-rank-work_445656 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="445656"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 445656, container: ".js-paper-rank-work_445656", }); });</script></li><li class="js-percentile-work_445656 InlineList-item InlineList-item--bordered hidden u-tcGrayDark"><span class="percentile-widget hidden"><span class="u-mr2x percentile-widget" style="display: none">•</span><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 445656; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_445656"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_445656 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="445656"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 445656; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=445656]").text(description); $(".js-view-count-work_445656").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_445656").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="445656"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">5</a>  </div><span class="InlineList-item-text u-textTruncate u-pl9x"><a class="InlineList-item-text" data-has-card-for-ri="7051" rel="nofollow" href="https://www.academia.edu/Documents/in/Invertebrates">Invertebrates</a>, <script data-card-contents-for-ri="7051" type="text/json">{"id":7051,"name":"Invertebrates","url":"https://www.academia.edu/Documents/in/Invertebrates?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="30756" rel="nofollow" href="https://www.academia.edu/Documents/in/Ecological_Stoichiometry">Ecological Stoichiometry</a>, <script data-card-contents-for-ri="30756" type="text/json">{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="103254" rel="nofollow" href="https://www.academia.edu/Documents/in/Vertebrates">Vertebrates</a>, <script data-card-contents-for-ri="103254" type="text/json">{"id":103254,"name":"Vertebrates","url":"https://www.academia.edu/Documents/in/Vertebrates?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="154923" rel="nofollow" href="https://www.academia.edu/Documents/in/Nutrient_Content">Nutrient Content</a><script data-card-contents-for-ri="154923" type="text/json">{"id":154923,"name":"Nutrient Content","url":"https://www.academia.edu/Documents/in/Nutrient_Content?f_ri=30756","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=445656]'), work: {"id":445656,"title":"Exploring patterns and mechanisms of interspecific and intraspecific variation in body elemental composition of desert consumers","created_at":"2011-02-16T10:32:56.036-08:00","url":"https://www.academia.edu/445656/Exploring_patterns_and_mechanisms_of_interspecific_and_intraspecific_variation_in_body_elemental_composition_of_desert_consumers?f_ri=30756","dom_id":"work_445656","summary":"Key processes such as trophic interactions and nutrient cycling are often influenced by the element content of organ- isms. Previous analyses have led to some preliminary understanding of the relative importance of evolutionary and ecological factors determining animal stoichiometry. However, to date, the patterns and underlying mechanisms of consumer stoichiometry at interspecific and intraspecific levels within natural ecosystems remain poorly investigated. Here, we examine the association between phylogeny, trophic level, body size, and ontogeny and the elemental com- position of 22 arthropod as well as two lizard species from the coastal zone of the Atacama Desert in Chile. We found that, in general, whole-body P content was more variable than body N content both among and within species. Body P content showed a significant phylogenetic signal; however, phylogeny explained only 4% of the variation in body P content across arthropod species. We also found a significant association between trophic level and the element content of arthropods, with carnivores having 15% greater N and 70% greater P contents than herbivores. Elemental scaling relationships across species were only significant for body P content, and even the P content scaling relationship was not significant after controlling for phylogeny. P content did decrease significantly with body size within most arthropod species, which may reflect the size dependence of RNA content in invertebrates. In contrast, larger lizards had higher P contents and lower N:P ratios than smaller lizards, which may be explained by size-associated differences in bone and scale investments. Our results suggests that structural differences in material allocation, trophic level and phylogeny can all contribute to variation in the stoichiometry of desert consumers, and they indicate that the elemental composition of animals can be useful information for identifying broad-scale linkages between nutrient cycling and trophic interactions in terrestrial food webs.","downloadable_attachments":[{"id":31339144,"asset_id":445656,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":326947,"first_name":"Angélica L.","last_name":"González","domain_name":"ubc","page_name":"AngelicaGonzalez","display_name":"Angélica L. González","profile_url":"https://ubc.academia.edu/AngelicaGonzalez?f_ri=30756","photo":"https://0.academia-photos.com/326947/92695/102279/s65_angelica.gonzalez.jpg"}],"research_interests":[{"id":7051,"name":"Invertebrates","url":"https://www.academia.edu/Documents/in/Invertebrates?f_ri=30756","nofollow":true},{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true},{"id":103254,"name":"Vertebrates","url":"https://www.academia.edu/Documents/in/Vertebrates?f_ri=30756","nofollow":true},{"id":154923,"name":"Nutrient Content","url":"https://www.academia.edu/Documents/in/Nutrient_Content?f_ri=30756","nofollow":true},{"id":154925,"name":"Trophic Level","url":"https://www.academia.edu/Documents/in/Trophic_Level?f_ri=30756"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_32613269 coauthored" data-work_id="32613269" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/32613269/Decreasing_Stoichiometric_Resource_Quality_Drives_Compensatory_Feeding_across_Trophic_Levels_in_Tropical_Litter_Invertebrate_Communities">Decreasing Stoichiometric Resource Quality Drives Compensatory Feeding across Trophic Levels in Tropical Litter Invertebrate Communities</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">abstract: Living organisms are constrained by both resource quantity and quality. Ecological stoichiometry offers important insights into how the elemental composition of resources affects their consumers. If resource quality decreases,... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_32613269" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">abstract: Living organisms are constrained by both resource quantity and quality. Ecological stoichiometry offers important insights into how the elemental composition of resources affects their consumers. If resource quality decreases, consumers can respond by shifting their body stoichiometry, avoiding low-quality resources, or up-regulating feeding rates to maintain the supply of required elements while excret-ing excess carbon (i.e., compensatory feeding). We analyzed multitro-phic consumer body stoichiometry, biomass, and feeding rates along a resource-quality gradient in the litter of tropical forest and rubber and oil-palm plantations. Specifically, we calculated macroinvertebrate feeding rates based on consumer metabolic demand and assimilation efficiency. Using linear mixed effects models, we assessed resource-quality effects on macroinvertebrate detritivore and predator communities. We did not detect shifts in consumer body stoichiometry or decreases in consumer biomass in response to declining resource quality, as indicated by increasing carbon-to-nitrogen ratios. However, across trophic levels, we found a strong indication of decreasing resource quality leading to increased consumer feeding rates through altered assimilation efficiency and community body size structure. Our study reveals the influence of resource quality on multitrophic consumer feeding rates and suggests compensatory feeding to be more common across consumer trophic levels than was formerly known.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/32613269" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="0c74645c26940a10aa65808bba678ef7" rel="nofollow" data-download="{"attachment_id":52786075,"asset_id":32613269,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/52786075/download_file?st=MTc0MDg3MzI0Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="33559197" href="https://uni-goettingen.academia.edu/MalteJochum">Malte Jochum</a><script data-card-contents-for-user="33559197" type="text/json">{"id":33559197,"first_name":"Malte","last_name":"Jochum","domain_name":"uni-goettingen","page_name":"MalteJochum","display_name":"Malte Jochum","profile_url":"https://uni-goettingen.academia.edu/MalteJochum?f_ri=30756","photo":"/images/s65_no_pic.png"}</script></span></span><span class="u-displayInlineBlock InlineList-item-text"> and <span class="u-textDecorationUnderline u-clickable InlineList-item-text js-work-more-authors-32613269">+3</span><div class="hidden js-additional-users-32613269"><div><span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a href="https://independent.academia.edu/DavidOtt2">David Ott</a></span></div><div><span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a href="https://independent.academia.edu/AchmadFarajallah">Achmad Farajallah</a></span></div><div><span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a href="https://independent.academia.edu/UBrose">Ulrich Brose</a></span></div></div></span><script>(function(){ var popoverSettings = { el: $('.js-work-more-authors-32613269'), placement: 'bottom', hide_delay: 200, html: true, content: function(){ return $('.js-additional-users-32613269').html(); } } new HoverPopover(popoverSettings); })();</script></li><li class="js-paper-rank-work_32613269 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="32613269"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 32613269, container: ".js-paper-rank-work_32613269", }); });</script></li><li class="js-percentile-work_32613269 InlineList-item InlineList-item--bordered hidden u-tcGrayDark"><span class="percentile-widget hidden"><span class="u-mr2x percentile-widget" style="display: none">•</span><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 32613269; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_32613269"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_32613269 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="32613269"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 32613269; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=32613269]").text(description); $(".js-view-count-work_32613269").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_32613269").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="32613269"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">3</a>  </div><span class="InlineList-item-text u-textTruncate u-pl9x"><a class="InlineList-item-text" data-has-card-for-ri="30756" rel="nofollow" href="https://www.academia.edu/Documents/in/Ecological_Stoichiometry">Ecological Stoichiometry</a>, <script data-card-contents-for-ri="30756" type="text/json">{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="418338" rel="nofollow" href="https://www.academia.edu/Documents/in/Multitrophic_Interactions">Multitrophic Interactions</a>, <script data-card-contents-for-ri="418338" type="text/json">{"id":418338,"name":"Multitrophic Interactions","url":"https://www.academia.edu/Documents/in/Multitrophic_Interactions?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="926107" rel="nofollow" href="https://www.academia.edu/Documents/in/Energy_Flux">Energy Flux</a><script data-card-contents-for-ri="926107" type="text/json">{"id":926107,"name":"Energy Flux","url":"https://www.academia.edu/Documents/in/Energy_Flux?f_ri=30756","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=32613269]'), work: {"id":32613269,"title":"Decreasing Stoichiometric Resource Quality Drives Compensatory Feeding across Trophic Levels in Tropical Litter Invertebrate Communities","created_at":"2017-04-23T23:54:33.831-07:00","url":"https://www.academia.edu/32613269/Decreasing_Stoichiometric_Resource_Quality_Drives_Compensatory_Feeding_across_Trophic_Levels_in_Tropical_Litter_Invertebrate_Communities?f_ri=30756","dom_id":"work_32613269","summary":"abstract: Living organisms are constrained by both resource quantity and quality. Ecological stoichiometry offers important insights into how the elemental composition of resources affects their consumers. If resource quality decreases, consumers can respond by shifting their body stoichiometry, avoiding low-quality resources, or up-regulating feeding rates to maintain the supply of required elements while excret-ing excess carbon (i.e., compensatory feeding). We analyzed multitro-phic consumer body stoichiometry, biomass, and feeding rates along a resource-quality gradient in the litter of tropical forest and rubber and oil-palm plantations. Specifically, we calculated macroinvertebrate feeding rates based on consumer metabolic demand and assimilation efficiency. Using linear mixed effects models, we assessed resource-quality effects on macroinvertebrate detritivore and predator communities. We did not detect shifts in consumer body stoichiometry or decreases in consumer biomass in response to declining resource quality, as indicated by increasing carbon-to-nitrogen ratios. However, across trophic levels, we found a strong indication of decreasing resource quality leading to increased consumer feeding rates through altered assimilation efficiency and community body size structure. Our study reveals the influence of resource quality on multitrophic consumer feeding rates and suggests compensatory feeding to be more common across consumer trophic levels than was formerly known.","downloadable_attachments":[{"id":52786075,"asset_id":32613269,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":33559197,"first_name":"Malte","last_name":"Jochum","domain_name":"uni-goettingen","page_name":"MalteJochum","display_name":"Malte Jochum","profile_url":"https://uni-goettingen.academia.edu/MalteJochum?f_ri=30756","photo":"/images/s65_no_pic.png"},{"id":64922423,"first_name":"David","last_name":"Ott","domain_name":"independent","page_name":"DavidOtt2","display_name":"David Ott","profile_url":"https://independent.academia.edu/DavidOtt2?f_ri=30756","photo":"/images/s65_no_pic.png"},{"id":63613725,"first_name":"Achmad","last_name":"Farajallah","domain_name":"independent","page_name":"AchmadFarajallah","display_name":"Achmad Farajallah","profile_url":"https://independent.academia.edu/AchmadFarajallah?f_ri=30756","photo":"/images/s65_no_pic.png"},{"id":49567422,"first_name":"Ulrich","last_name":"Brose","domain_name":"independent","page_name":"UBrose","display_name":"Ulrich Brose","profile_url":"https://independent.academia.edu/UBrose?f_ri=30756","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true},{"id":418338,"name":"Multitrophic Interactions","url":"https://www.academia.edu/Documents/in/Multitrophic_Interactions?f_ri=30756","nofollow":true},{"id":926107,"name":"Energy Flux","url":"https://www.academia.edu/Documents/in/Energy_Flux?f_ri=30756","nofollow":true}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_19314089" data-work_id="19314089" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/19314089/Light_nutrients_and_food_chain_length_constrain_planktonic_energy_transfer_efficiency_across_multiple_trophic_levels">Light, nutrients, and food-chain length constrain planktonic energy transfer efficiency across multiple trophic levels</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest">Author contributions: E.M.D., J.M.N., M.J.G., and M.J.V. designed research; E.M.D. and J.M.N. performed research; E.M.D., J.M.N., M.J.G., and M.J.V. analyzed data; and E.M.D., J.M.N., M.J.G., and M.J.V. wrote the paper.</div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/19314089" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="4ec9d5079c0a0ee9f28e7d949518534c" rel="nofollow" data-download="{"attachment_id":40551455,"asset_id":19314089,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/40551455/download_file?st=MTc0MDg3MzI0Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="39570971" href="https://independent.academia.edu/ElizabethDickman">Elizabeth Dickman</a><script data-card-contents-for-user="39570971" type="text/json">{"id":39570971,"first_name":"Elizabeth","last_name":"Dickman","domain_name":"independent","page_name":"ElizabethDickman","display_name":"Elizabeth Dickman","profile_url":"https://independent.academia.edu/ElizabethDickman?f_ri=30756","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_19314089 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="19314089"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 19314089, container: ".js-paper-rank-work_19314089", }); 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$(".js-view-count[data-work-id=19314089]").text(description); $(".js-view-count-work_19314089").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_19314089").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="19314089"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">15</a>  </div><span class="InlineList-item-text u-textTruncate u-pl10x"><a class="InlineList-item-text" data-has-card-for-ri="23546" rel="nofollow" href="https://www.academia.edu/Documents/in/Plant_Nutrition">Plant Nutrition</a>, <script data-card-contents-for-ri="23546" type="text/json">{"id":23546,"name":"Plant Nutrition","url":"https://www.academia.edu/Documents/in/Plant_Nutrition?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="28235" rel="nofollow" href="https://www.academia.edu/Documents/in/Multidisciplinary">Multidisciplinary</a>, <script data-card-contents-for-ri="28235" type="text/json">{"id":28235,"name":"Multidisciplinary","url":"https://www.academia.edu/Documents/in/Multidisciplinary?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="30756" rel="nofollow" href="https://www.academia.edu/Documents/in/Ecological_Stoichiometry">Ecological Stoichiometry</a>, <script data-card-contents-for-ri="30756" type="text/json">{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="98508" rel="nofollow" href="https://www.academia.edu/Documents/in/Food_Quality">Food Quality</a><script data-card-contents-for-ri="98508" type="text/json">{"id":98508,"name":"Food Quality","url":"https://www.academia.edu/Documents/in/Food_Quality?f_ri=30756","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=19314089]'), work: {"id":19314089,"title":"Light, nutrients, and food-chain length constrain planktonic energy transfer efficiency across multiple trophic levels","created_at":"2015-12-01T12:32:33.373-08:00","url":"https://www.academia.edu/19314089/Light_nutrients_and_food_chain_length_constrain_planktonic_energy_transfer_efficiency_across_multiple_trophic_levels?f_ri=30756","dom_id":"work_19314089","summary":"Author contributions: E.M.D., J.M.N., M.J.G., and M.J.V. designed research; E.M.D. and J.M.N. performed research; E.M.D., J.M.N., M.J.G., and M.J.V. analyzed data; and E.M.D., J.M.N., M.J.G., and M.J.V. wrote the paper.","downloadable_attachments":[{"id":40551455,"asset_id":19314089,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":39570971,"first_name":"Elizabeth","last_name":"Dickman","domain_name":"independent","page_name":"ElizabethDickman","display_name":"Elizabeth Dickman","profile_url":"https://independent.academia.edu/ElizabethDickman?f_ri=30756","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":23546,"name":"Plant Nutrition","url":"https://www.academia.edu/Documents/in/Plant_Nutrition?f_ri=30756","nofollow":true},{"id":28235,"name":"Multidisciplinary","url":"https://www.academia.edu/Documents/in/Multidisciplinary?f_ri=30756","nofollow":true},{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true},{"id":98508,"name":"Food Quality","url":"https://www.academia.edu/Documents/in/Food_Quality?f_ri=30756","nofollow":true},{"id":107671,"name":"Plankton","url":"https://www.academia.edu/Documents/in/Plankton?f_ri=30756"},{"id":117270,"name":"Fishes","url":"https://www.academia.edu/Documents/in/Fishes?f_ri=30756"},{"id":128057,"name":"Light","url":"https://www.academia.edu/Documents/in/Light?f_ri=30756"},{"id":148391,"name":"Field Experiment","url":"https://www.academia.edu/Documents/in/Field_Experiment?f_ri=30756"},{"id":154925,"name":"Trophic Level","url":"https://www.academia.edu/Documents/in/Trophic_Level?f_ri=30756"},{"id":609422,"name":"Plant production","url":"https://www.academia.edu/Documents/in/Plant_production?f_ri=30756"},{"id":615464,"name":"Ecosystem Function","url":"https://www.academia.edu/Documents/in/Ecosystem_Function?f_ri=30756"},{"id":717129,"name":"Energy Transfer","url":"https://www.academia.edu/Documents/in/Energy_Transfer?f_ri=30756"},{"id":874684,"name":"Food Chain Length","url":"https://www.academia.edu/Documents/in/Food_Chain_Length?f_ri=30756"},{"id":961214,"name":"Low Light","url":"https://www.academia.edu/Documents/in/Low_Light?f_ri=30756"},{"id":1013028,"name":"Food Chain","url":"https://www.academia.edu/Documents/in/Food_Chain?f_ri=30756"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_28144404" data-work_id="28144404" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/28144404/A_seasonal_study_of_dissolved_cobalt_in_the_Ross_Sea_Antarctica_micronutrient_behavior_absence_of_scavenging_and_relationships_with_Zn_Cd_and_P">A seasonal study of dissolved cobalt in the Ross Sea, Antarctica: micronutrient behavior, absence of scavenging, and relationships with Zn, Cd, and P</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">We report the distribution of cobalt (Co) in the Ross Sea polynya during austral summer 2005-2006 and the following austral spring 2006. The vertical distribution of total dissolved Co (dCo) was similar to soluble reactive phosphate (PO... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_28144404" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">We report the distribution of cobalt (Co) in the Ross Sea polynya during austral summer 2005-2006 and the following austral spring 2006. The vertical distribution of total dissolved Co (dCo) was similar to soluble reactive phosphate (PO 3− 4 ), with dCo and PO 3− 4 showing a significant correlation throughout the water column (r 2 = 0.87, 164 samples). A strong seasonal signal for dCo was observed, with most spring samples having concentrations ranging from ∼45-85 pM, whereas summer dCo values were depleted below these levels by biological activity. Surface transect data from the summer cruise revealed concentrations at the low range of this seasonal variability (∼30 pM dCo), with concentrations as low as 20 pM observed in some regions where PO 3− 4 was depleted to ∼0.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/28144404" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="9e12b98929ee958b33fa66d275f00d1b" rel="nofollow" data-download="{"attachment_id":48460349,"asset_id":28144404,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/48460349/download_file?st=MTc0MDg3MzI0Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="32927972" href="https://independent.academia.edu/TylerGoepfert">Tyler Goepfert</a><script data-card-contents-for-user="32927972" type="text/json">{"id":32927972,"first_name":"Tyler","last_name":"Goepfert","domain_name":"independent","page_name":"TylerGoepfert","display_name":"Tyler Goepfert","profile_url":"https://independent.academia.edu/TylerGoepfert?f_ri=30756","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_28144404 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="28144404"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 28144404, container: ".js-paper-rank-work_28144404", }); 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$(".js-view-count[data-work-id=28144404]").text(description); $(".js-view-count-work_28144404").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_28144404").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="28144404"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">15</a>  </div><span class="InlineList-item-text u-textTruncate u-pl10x"><a class="InlineList-item-text" data-has-card-for-ri="188" rel="nofollow" href="https://www.academia.edu/Documents/in/Cultural_Studies">Cultural Studies</a>, <script data-card-contents-for-ri="188" type="text/json">{"id":188,"name":"Cultural Studies","url":"https://www.academia.edu/Documents/in/Cultural_Studies?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="400" rel="nofollow" href="https://www.academia.edu/Documents/in/Earth_Sciences">Earth Sciences</a>, <script data-card-contents-for-ri="400" type="text/json">{"id":400,"name":"Earth Sciences","url":"https://www.academia.edu/Documents/in/Earth_Sciences?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="30756" rel="nofollow" href="https://www.academia.edu/Documents/in/Ecological_Stoichiometry">Ecological Stoichiometry</a>, <script data-card-contents-for-ri="30756" type="text/json">{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="47884" rel="nofollow" href="https://www.academia.edu/Documents/in/Biological_Sciences">Biological Sciences</a><script data-card-contents-for-ri="47884" type="text/json">{"id":47884,"name":"Biological Sciences","url":"https://www.academia.edu/Documents/in/Biological_Sciences?f_ri=30756","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=28144404]'), work: {"id":28144404,"title":"A seasonal study of dissolved cobalt in the Ross Sea, Antarctica: micronutrient behavior, absence of scavenging, and relationships with Zn, Cd, and P","created_at":"2016-08-31T01:28:23.133-07:00","url":"https://www.academia.edu/28144404/A_seasonal_study_of_dissolved_cobalt_in_the_Ross_Sea_Antarctica_micronutrient_behavior_absence_of_scavenging_and_relationships_with_Zn_Cd_and_P?f_ri=30756","dom_id":"work_28144404","summary":"We report the distribution of cobalt (Co) in the Ross Sea polynya during austral summer 2005-2006 and the following austral spring 2006. The vertical distribution of total dissolved Co (dCo) was similar to soluble reactive phosphate (PO 3− 4 ), with dCo and PO 3− 4 showing a significant correlation throughout the water column (r 2 = 0.87, 164 samples). A strong seasonal signal for dCo was observed, with most spring samples having concentrations ranging from ∼45-85 pM, whereas summer dCo values were depleted below these levels by biological activity. Surface transect data from the summer cruise revealed concentrations at the low range of this seasonal variability (∼30 pM dCo), with concentrations as low as 20 pM observed in some regions where PO 3− 4 was depleted to ∼0.","downloadable_attachments":[{"id":48460349,"asset_id":28144404,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":32927972,"first_name":"Tyler","last_name":"Goepfert","domain_name":"independent","page_name":"TylerGoepfert","display_name":"Tyler Goepfert","profile_url":"https://independent.academia.edu/TylerGoepfert?f_ri=30756","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":188,"name":"Cultural Studies","url":"https://www.academia.edu/Documents/in/Cultural_Studies?f_ri=30756","nofollow":true},{"id":400,"name":"Earth Sciences","url":"https://www.academia.edu/Documents/in/Earth_Sciences?f_ri=30756","nofollow":true},{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true},{"id":47884,"name":"Biological Sciences","url":"https://www.academia.edu/Documents/in/Biological_Sciences?f_ri=30756","nofollow":true},{"id":57433,"name":"Seasonality","url":"https://www.academia.edu/Documents/in/Seasonality?f_ri=30756"},{"id":58054,"name":"Environmental Sciences","url":"https://www.academia.edu/Documents/in/Environmental_Sciences?f_ri=30756"},{"id":151321,"name":"Biogeosciences","url":"https://www.academia.edu/Documents/in/Biogeosciences?f_ri=30756"},{"id":158165,"name":"Zinc","url":"https://www.academia.edu/Documents/in/Zinc?f_ri=30756"},{"id":231661,"name":"Enzyme","url":"https://www.academia.edu/Documents/in/Enzyme?f_ri=30756"},{"id":635488,"name":"Vertical Distribution","url":"https://www.academia.edu/Documents/in/Vertical_Distribution?f_ri=30756"},{"id":783432,"name":"Biological activity","url":"https://www.academia.edu/Documents/in/Biological_activity?f_ri=30756"},{"id":851807,"name":"Optimal Growth","url":"https://www.academia.edu/Documents/in/Optimal_Growth?f_ri=30756"},{"id":982932,"name":"Ross Sea","url":"https://www.academia.edu/Documents/in/Ross_Sea?f_ri=30756"},{"id":1002595,"name":"Eastern Tropical Pacific","url":"https://www.academia.edu/Documents/in/Eastern_Tropical_Pacific?f_ri=30756"},{"id":1407728,"name":"Shallow Water","url":"https://www.academia.edu/Documents/in/Shallow_Water?f_ri=30756"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_18457190" data-work_id="18457190" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/18457190/Pelagic_C_N_P_Stoichiometry_in_a_Eutrophied_Lake_Responses_to_a_Whole_Lake_Food_Web_Manipulation">Pelagic C:N:P Stoichiometry in a Eutrophied Lake: Responses to a Whole-Lake Food-Web Manipulation</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Changes in the ecological stoichiometry of C, N, and P in the pelagic zone are reported from a wholelake manipulation of the food web of Lake 227, an experimentally eutrophied lake at the Experimental Lakes Area, Canada. Addition of... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_18457190" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Changes in the ecological stoichiometry of C, N, and P in the pelagic zone are reported from a wholelake manipulation of the food web of Lake 227, an experimentally eutrophied lake at the Experimental Lakes Area, Canada. Addition of northern pike eliminated populations of planktivorous minnows by the third year (1995) after pike introduction, and in the fourth year after pike addition (1996), a massive increase in the abundance of the largebodied cladoceran Daphnia pulicaria occurred. Accompanying this increase in Daphnia abundance, zooplankton community N:P declined, seston concentration and C:P ratio decreased, and dissolved N and P pools increased. During peak abundance, zooplankton biomass comprised a significant proportion of total epilimnetic phosphorus (greater than 30%). During the period of increased Daphnia abundance, concentrations of dissolved inorganic nitrogen (TIN) increased more strongly than dissolved phosphorus (TDP), and thus TIN:TDP ratios were elevated. Sedimentation data indicated that increased grazing led to greatly reduced residence times of C, N, and especially P in the water column during 1996. Finally, previously dominant N-fixing cyanobacteria were absent during 1996. Our results show that strong effects of food-web structure can occur in eutrophic lakes and that stoichiometric mechanisms play a potentially important role in generating these effects.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/18457190" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="ca38e266f2066dbed7583794835450ae" rel="nofollow" data-download="{"attachment_id":40073799,"asset_id":18457190,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/40073799/download_file?st=MTc0MDg3MzI0Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="38467136" href="https://independent.academia.edu/DavidSchindler1">David Schindler</a><script data-card-contents-for-user="38467136" type="text/json">{"id":38467136,"first_name":"David","last_name":"Schindler","domain_name":"independent","page_name":"DavidSchindler1","display_name":"David Schindler","profile_url":"https://independent.academia.edu/DavidSchindler1?f_ri=30756","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_18457190 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="18457190"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 18457190, container: ".js-paper-rank-work_18457190", }); });</script></li><li class="js-percentile-work_18457190 InlineList-item InlineList-item--bordered hidden u-tcGrayDark"><span class="percentile-widget hidden"><span class="u-mr2x percentile-widget" style="display: none">•</span><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 18457190; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_18457190"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_18457190 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="18457190"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 18457190; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=18457190]").text(description); $(".js-view-count-work_18457190").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_18457190").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="18457190"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">11</a>  </div><span class="InlineList-item-text u-textTruncate u-pl10x"><a class="InlineList-item-text" data-has-card-for-ri="30756" rel="nofollow" href="https://www.academia.edu/Documents/in/Ecological_Stoichiometry">Ecological Stoichiometry</a>, <script data-card-contents-for-ri="30756" type="text/json">{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="47884" rel="nofollow" href="https://www.academia.edu/Documents/in/Biological_Sciences">Biological Sciences</a>, <script data-card-contents-for-ri="47884" type="text/json">{"id":47884,"name":"Biological Sciences","url":"https://www.academia.edu/Documents/in/Biological_Sciences?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="53108" rel="nofollow" href="https://www.academia.edu/Documents/in/Phosphorus">Phosphorus</a>, <script data-card-contents-for-ri="53108" type="text/json">{"id":53108,"name":"Phosphorus","url":"https://www.academia.edu/Documents/in/Phosphorus?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="58054" rel="nofollow" href="https://www.academia.edu/Documents/in/Environmental_Sciences">Environmental Sciences</a><script data-card-contents-for-ri="58054" type="text/json">{"id":58054,"name":"Environmental Sciences","url":"https://www.academia.edu/Documents/in/Environmental_Sciences?f_ri=30756","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=18457190]'), work: {"id":18457190,"title":"Pelagic C:N:P Stoichiometry in a Eutrophied Lake: Responses to a Whole-Lake Food-Web Manipulation","created_at":"2015-11-16T10:34:24.249-08:00","url":"https://www.academia.edu/18457190/Pelagic_C_N_P_Stoichiometry_in_a_Eutrophied_Lake_Responses_to_a_Whole_Lake_Food_Web_Manipulation?f_ri=30756","dom_id":"work_18457190","summary":"Changes in the ecological stoichiometry of C, N, and P in the pelagic zone are reported from a wholelake manipulation of the food web of Lake 227, an experimentally eutrophied lake at the Experimental Lakes Area, Canada. Addition of northern pike eliminated populations of planktivorous minnows by the third year (1995) after pike introduction, and in the fourth year after pike addition (1996), a massive increase in the abundance of the largebodied cladoceran Daphnia pulicaria occurred. Accompanying this increase in Daphnia abundance, zooplankton community N:P declined, seston concentration and C:P ratio decreased, and dissolved N and P pools increased. During peak abundance, zooplankton biomass comprised a significant proportion of total epilimnetic phosphorus (greater than 30%). During the period of increased Daphnia abundance, concentrations of dissolved inorganic nitrogen (TIN) increased more strongly than dissolved phosphorus (TDP), and thus TIN:TDP ratios were elevated. Sedimentation data indicated that increased grazing led to greatly reduced residence times of C, N, and especially P in the water column during 1996. Finally, previously dominant N-fixing cyanobacteria were absent during 1996. Our results show that strong effects of food-web structure can occur in eutrophic lakes and that stoichiometric mechanisms play a potentially important role in generating these effects.","downloadable_attachments":[{"id":40073799,"asset_id":18457190,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":38467136,"first_name":"David","last_name":"Schindler","domain_name":"independent","page_name":"DavidSchindler1","display_name":"David Schindler","profile_url":"https://independent.academia.edu/DavidSchindler1?f_ri=30756","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true},{"id":47884,"name":"Biological Sciences","url":"https://www.academia.edu/Documents/in/Biological_Sciences?f_ri=30756","nofollow":true},{"id":53108,"name":"Phosphorus","url":"https://www.academia.edu/Documents/in/Phosphorus?f_ri=30756","nofollow":true},{"id":58054,"name":"Environmental Sciences","url":"https://www.academia.edu/Documents/in/Environmental_Sciences?f_ri=30756","nofollow":true},{"id":82682,"name":"Food web","url":"https://www.academia.edu/Documents/in/Food_web?f_ri=30756"},{"id":106333,"name":"Ecosystems","url":"https://www.academia.edu/Documents/in/Ecosystems?f_ri=30756"},{"id":151091,"name":"Nitrogen","url":"https://www.academia.edu/Documents/in/Nitrogen?f_ri=30756"},{"id":835287,"name":"Trophic Interaction","url":"https://www.academia.edu/Documents/in/Trophic_Interaction?f_ri=30756"},{"id":984993,"name":"Residence Time","url":"https://www.academia.edu/Documents/in/Residence_Time?f_ri=30756"},{"id":1180615,"name":"P/BV Ratio","url":"https://www.academia.edu/Documents/in/P_BV_Ratio?f_ri=30756"},{"id":1660211,"name":"Food Web structure","url":"https://www.academia.edu/Documents/in/Food_Web_structure?f_ri=30756"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_4883190" data-work_id="4883190" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/4883190/Synthesis_Physiological_Stress_as_a_Fundamental_Mechanism_Linking_Predation_to_Ecosystem_Functioning">Synthesis Physiological Stress as a Fundamental Mechanism Linking Predation to Ecosystem Functioning</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">We present a framework to explain how prey stress responses to predation can resolve context dependency in ecosystem properties and functions such as food chain length, secondary production, elemental stoichiometry, and cycling. We first... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_4883190" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">We present a framework to explain how prey stress responses to predation can resolve context dependency in ecosystem properties and functions such as food chain length, secondary production, elemental stoichiometry, and cycling. We first describe the major nonspecific physiological stress mechanisms and their ecologically relevant consequences. We next synthesize the evidence for prey physiological responses to predation risk and demonstrate that they are similar across taxa and fit well within the general stress paradigm. We then illustrate the utility of our idea by applying our understanding of the ecological consequences of stress to explain how herbivoreprey physiological antipredator responses affect ecosystem dynamics. We hypothesize that stressed herbivores should forage on plant species with higher digestible carbohydrates than should unstressed herbivores to meet heightened energy demands. Increased consumption of carbohydrate-rich plants should reduce their relative abundance in the community, hence altering the quantity and quality of plant litter entering the detrital pool. We further hypothesize that stress should change the elemental composition and energy content of prey excreta, egesta, and carcasses that enter the detrital pool. Finally, prey stress should lower energy and nutrient conversion efficiency and hence the transfer of materials and energy up the food chain, which should, in turn, weaken the association between ecosystem productivity and food chain length.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/4883190" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="93e329b86b19694a4aae28d1ea1808a5" rel="nofollow" data-download="{"attachment_id":32154967,"asset_id":4883190,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/32154967/download_file?st=MTc0MDg3MzI0Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="6361711" href="https://huji.academia.edu/drorhawlena">dror hawlena</a><script data-card-contents-for-user="6361711" type="text/json">{"id":6361711,"first_name":"dror","last_name":"hawlena","domain_name":"huji","page_name":"drorhawlena","display_name":"dror hawlena","profile_url":"https://huji.academia.edu/drorhawlena?f_ri=30756","photo":"https://0.academia-photos.com/6361711/37444776/31682311/s65_dror.hawlena.jpg"}</script></span></span></li><li class="js-paper-rank-work_4883190 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="4883190"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 4883190, container: ".js-paper-rank-work_4883190", }); });</script></li><li class="js-percentile-work_4883190 InlineList-item InlineList-item--bordered hidden u-tcGrayDark"><span class="percentile-widget hidden"><span class="u-mr2x percentile-widget" style="display: none">•</span><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 4883190; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_4883190"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_4883190 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="4883190"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 4883190; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=4883190]").text(description); $(".js-view-count-work_4883190").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_4883190").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="4883190"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">7</a>  </div><span class="InlineList-item-text u-textTruncate u-pl9x"><a class="InlineList-item-text" data-has-card-for-ri="3770" rel="nofollow" href="https://www.academia.edu/Documents/in/Metabolism">Metabolism</a>, <script data-card-contents-for-ri="3770" type="text/json">{"id":3770,"name":"Metabolism","url":"https://www.academia.edu/Documents/in/Metabolism?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="7710" rel="nofollow" href="https://www.academia.edu/Documents/in/Biology">Biology</a>, <script data-card-contents-for-ri="7710" type="text/json">{"id":7710,"name":"Biology","url":"https://www.academia.edu/Documents/in/Biology?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="9487" rel="nofollow" href="https://www.academia.edu/Documents/in/Stress_physiology">Stress physiology</a>, <script data-card-contents-for-ri="9487" type="text/json">{"id":9487,"name":"Stress physiology","url":"https://www.academia.edu/Documents/in/Stress_physiology?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="9846" rel="nofollow" href="https://www.academia.edu/Documents/in/Ecology">Ecology</a><script data-card-contents-for-ri="9846" type="text/json">{"id":9846,"name":"Ecology","url":"https://www.academia.edu/Documents/in/Ecology?f_ri=30756","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=4883190]'), work: {"id":4883190,"title":"Synthesis Physiological Stress as a Fundamental Mechanism Linking Predation to Ecosystem Functioning","created_at":"2013-10-24T18:29:55.854-07:00","url":"https://www.academia.edu/4883190/Synthesis_Physiological_Stress_as_a_Fundamental_Mechanism_Linking_Predation_to_Ecosystem_Functioning?f_ri=30756","dom_id":"work_4883190","summary":"We present a framework to explain how prey stress responses to predation can resolve context dependency in ecosystem properties and functions such as food chain length, secondary production, elemental stoichiometry, and cycling. We first describe the major nonspecific physiological stress mechanisms and their ecologically relevant consequences. We next synthesize the evidence for prey physiological responses to predation risk and demonstrate that they are similar across taxa and fit well within the general stress paradigm. We then illustrate the utility of our idea by applying our understanding of the ecological consequences of stress to explain how herbivoreprey physiological antipredator responses affect ecosystem dynamics. We hypothesize that stressed herbivores should forage on plant species with higher digestible carbohydrates than should unstressed herbivores to meet heightened energy demands. Increased consumption of carbohydrate-rich plants should reduce their relative abundance in the community, hence altering the quantity and quality of plant litter entering the detrital pool. We further hypothesize that stress should change the elemental composition and energy content of prey excreta, egesta, and carcasses that enter the detrital pool. Finally, prey stress should lower energy and nutrient conversion efficiency and hence the transfer of materials and energy up the food chain, which should, in turn, weaken the association between ecosystem productivity and food chain length.","downloadable_attachments":[{"id":32154967,"asset_id":4883190,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":6361711,"first_name":"dror","last_name":"hawlena","domain_name":"huji","page_name":"drorhawlena","display_name":"dror hawlena","profile_url":"https://huji.academia.edu/drorhawlena?f_ri=30756","photo":"https://0.academia-photos.com/6361711/37444776/31682311/s65_dror.hawlena.jpg"}],"research_interests":[{"id":3770,"name":"Metabolism","url":"https://www.academia.edu/Documents/in/Metabolism?f_ri=30756","nofollow":true},{"id":7710,"name":"Biology","url":"https://www.academia.edu/Documents/in/Biology?f_ri=30756","nofollow":true},{"id":9487,"name":"Stress physiology","url":"https://www.academia.edu/Documents/in/Stress_physiology?f_ri=30756","nofollow":true},{"id":9846,"name":"Ecology","url":"https://www.academia.edu/Documents/in/Ecology?f_ri=30756","nofollow":true},{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756"},{"id":254128,"name":"Predation Risk","url":"https://www.academia.edu/Documents/in/Predation_Risk?f_ri=30756"},{"id":874684,"name":"Food Chain Length","url":"https://www.academia.edu/Documents/in/Food_Chain_Length?f_ri=30756"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_38281142" data-work_id="38281142" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/38281142/Nutrient_stress_arrests_tentacle_growth_in_the_coral_model_Aiptasia">Nutrient stress arrests tentacle growth in the coral model Aiptasia</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">The symbiosis between cnidarians and dinoflagellate algae of the family Symbiodiniaceae builds the foundation of coral reef ecosystems. The sea anemone Aiptasia is an emerging model organism promising to advance our functional... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_38281142" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">The symbiosis between cnidarians and dinoflagellate algae of the family Symbiodiniaceae builds the foundation of coral reef<br />ecosystems. The sea anemone Aiptasia is an emerging model organism promising to advance our functional understanding of this<br />symbiotic association. Here, we report the observation of a novel phenotype of symbiotic Aiptasia likely induced by severe<br />nutrient starvation. Under these conditions, developing Aiptasia no longer grow any tentacles. At the same time, fully developed<br />Aiptasia do not lose their tentacles, yet produce asexual offspring lacking tentacles. This phenotype, termed ‘Wurst’ Aiptasia, can<br />be easily induced and reverted by nutrient starvation and addition, respectively. Thereby, this observation may offer a new<br />experimental framework to study mechanisms underlying phenotypic plasticity as well as nutrient cycling within the Cnidaria<br />– Symbiodiniaceae symbiosis.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/38281142" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="5a93dadfd8b03b22d2c1c8a15a7d6d0f" rel="nofollow" data-download="{"attachment_id":58327071,"asset_id":38281142,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/58327071/download_file?st=MTc0MDg3MzI0Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="857919" href="https://anglais-upvd.academia.edu/ClaudiaPogoreutz">Claudia Pogoreutz</a><script data-card-contents-for-user="857919" type="text/json">{"id":857919,"first_name":"Claudia","last_name":"Pogoreutz","domain_name":"anglais-upvd","page_name":"ClaudiaPogoreutz","display_name":"Claudia Pogoreutz","profile_url":"https://anglais-upvd.academia.edu/ClaudiaPogoreutz?f_ri=30756","photo":"https://0.academia-photos.com/857919/2202563/29598143/s65_claudia.pogoreutz.jpg"}</script></span></span></li><li class="js-paper-rank-work_38281142 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="38281142"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 38281142, container: ".js-paper-rank-work_38281142", }); });</script></li><li class="js-percentile-work_38281142 InlineList-item InlineList-item--bordered hidden u-tcGrayDark"><span class="percentile-widget hidden"><span class="u-mr2x percentile-widget" style="display: none">•</span><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 38281142; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_38281142"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_38281142 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="38281142"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 38281142; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=38281142]").text(description); $(".js-view-count-work_38281142").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_38281142").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="38281142"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">5</a>  </div><span class="InlineList-item-text u-textTruncate u-pl9x"><a class="InlineList-item-text" data-has-card-for-ri="7043" rel="nofollow" href="https://www.academia.edu/Documents/in/Symbiosis">Symbiosis</a>, <script data-card-contents-for-ri="7043" type="text/json">{"id":7043,"name":"Symbiosis","url":"https://www.academia.edu/Documents/in/Symbiosis?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="14586" rel="nofollow" href="https://www.academia.edu/Documents/in/Model_organisms">Model organisms</a>, <script data-card-contents-for-ri="14586" type="text/json">{"id":14586,"name":"Model organisms","url":"https://www.academia.edu/Documents/in/Model_organisms?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="30756" rel="nofollow" href="https://www.academia.edu/Documents/in/Ecological_Stoichiometry">Ecological Stoichiometry</a>, <script data-card-contents-for-ri="30756" type="text/json">{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="34350" rel="nofollow" href="https://www.academia.edu/Documents/in/Cnidaria">Cnidaria</a><script data-card-contents-for-ri="34350" type="text/json">{"id":34350,"name":"Cnidaria","url":"https://www.academia.edu/Documents/in/Cnidaria?f_ri=30756","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=38281142]'), work: {"id":38281142,"title":"Nutrient stress arrests tentacle growth in the coral model Aiptasia","created_at":"2019-02-03T23:29:51.763-08:00","url":"https://www.academia.edu/38281142/Nutrient_stress_arrests_tentacle_growth_in_the_coral_model_Aiptasia?f_ri=30756","dom_id":"work_38281142","summary":"The symbiosis between cnidarians and dinoflagellate algae of the family Symbiodiniaceae builds the foundation of coral reef\necosystems. The sea anemone Aiptasia is an emerging model organism promising to advance our functional understanding of this\nsymbiotic association. Here, we report the observation of a novel phenotype of symbiotic Aiptasia likely induced by severe\nnutrient starvation. Under these conditions, developing Aiptasia no longer grow any tentacles. At the same time, fully developed\nAiptasia do not lose their tentacles, yet produce asexual offspring lacking tentacles. This phenotype, termed ‘Wurst’ Aiptasia, can\nbe easily induced and reverted by nutrient starvation and addition, respectively. Thereby, this observation may offer a new\nexperimental framework to study mechanisms underlying phenotypic plasticity as well as nutrient cycling within the Cnidaria\n– Symbiodiniaceae symbiosis.","downloadable_attachments":[{"id":58327071,"asset_id":38281142,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":857919,"first_name":"Claudia","last_name":"Pogoreutz","domain_name":"anglais-upvd","page_name":"ClaudiaPogoreutz","display_name":"Claudia Pogoreutz","profile_url":"https://anglais-upvd.academia.edu/ClaudiaPogoreutz?f_ri=30756","photo":"https://0.academia-photos.com/857919/2202563/29598143/s65_claudia.pogoreutz.jpg"}],"research_interests":[{"id":7043,"name":"Symbiosis","url":"https://www.academia.edu/Documents/in/Symbiosis?f_ri=30756","nofollow":true},{"id":14586,"name":"Model organisms","url":"https://www.academia.edu/Documents/in/Model_organisms?f_ri=30756","nofollow":true},{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true},{"id":34350,"name":"Cnidaria","url":"https://www.academia.edu/Documents/in/Cnidaria?f_ri=30756","nofollow":true},{"id":82098,"name":"Nutrient cycling and limitation","url":"https://www.academia.edu/Documents/in/Nutrient_cycling_and_limitation?f_ri=30756"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_29521709" data-work_id="29521709" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/29521709/Subsidy_stress_response_of_macroinvertebrate_community_biomass_to_a_phosphorus_gradient_in_an_oligotrophic_wetland_ecosystem">Subsidy–stress response of macroinvertebrate community biomass to a phosphorus gradient in an oligotrophic wetland ecosystem</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">We used a subsidy-stress model as a basis for predicting macroinvertebrate community response to a steep gradient of P enrichment in the Florida Everglades, a P-limited wetland ecosystem. We tested the hypothesis that consumers were... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_29521709" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">We used a subsidy-stress model as a basis for predicting macroinvertebrate community response to a steep gradient of P enrichment in the Florida Everglades, a P-limited wetland ecosystem. We tested the hypothesis that consumers were resource limited and their biomass would show a subsidy response (increase) to low-to-moderate levels of P enrichment, but a stress response (decrease) at high levels of P enrichment because dense emergent macrophytes, particularly Typha, might significantly reduce periphyton food resources. We used a spatially extensive sampling design (14 clusters of 9 sites, 126 total) that incorporated vegetation pattern to evaluate consumer responses along the P gradient. We then conducted a 1-y temporal study at 3 of the 14 clusters to evaluate how seasonal hydrological variation interacted with nutrients to influence consumer biomass. Macroinvertebrate community biomass showed a significant unimodal response to increasing P enrichment consistent with a subsidy-stress relationship. Eight of 12 major taxonomic groups (Amphipoda, Decapoda, Diptera, Empheroptera, Gastropoda, Hirudinea, Odonata, Oligochaeta) had this unimodal response, whereas 3 (Coleoptera, Hemiptera, Isopoda) increased monotonically and 1 (Trichoptera) decreased monotonically in response to P. Periphyton C:N and C:P ratios declined with increasing P, but periphyton cover was minimal at high levels of P enrichment where tall invasive macrophytes limited its growth. The temporal study revealed a subsidy-stress response except after marsh reflooding following the dry season when the most P-enriched clusters of sites had the highest consumer biomass, presumably because drought-induced senescence reduced macrophyte cover, which enabled heavy growth of periphyton. Our results suggest that an interaction between increased quality and decreased quantity of periphyton caused the subsidy-stress patterns observed. We suggest our findings could be generalized to other wetland ecosystems where nutrient enrichment leads to invasion of weedy emergent macrophytes, such as Typha, and elimination of open-canopy habitats rich in periphyton.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/29521709" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="0127919e6a259d932453f91fcce0e980" rel="nofollow" data-download="{"attachment_id":49960843,"asset_id":29521709,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/49960843/download_file?st=MTc0MDg3MzI0Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="55799360" href="https://independent.academia.edu/CurtisRichardson1">Curtis Richardson</a><script data-card-contents-for-user="55799360" type="text/json">{"id":55799360,"first_name":"Curtis","last_name":"Richardson","domain_name":"independent","page_name":"CurtisRichardson1","display_name":"Curtis Richardson","profile_url":"https://independent.academia.edu/CurtisRichardson1?f_ri=30756","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_29521709 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="29521709"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 29521709, container: ".js-paper-rank-work_29521709", }); });</script></li><li class="js-percentile-work_29521709 InlineList-item InlineList-item--bordered hidden u-tcGrayDark"><span class="percentile-widget hidden"><span class="u-mr2x percentile-widget" style="display: none">•</span><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 29521709; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_29521709"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_29521709 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="29521709"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 29521709; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=29521709]").text(description); $(".js-view-count-work_29521709").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_29521709").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="29521709"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">7</a>  </div><span class="InlineList-item-text u-textTruncate u-pl9x"><a class="InlineList-item-text" data-has-card-for-ri="9846" rel="nofollow" href="https://www.academia.edu/Documents/in/Ecology">Ecology</a>, <script data-card-contents-for-ri="9846" type="text/json">{"id":9846,"name":"Ecology","url":"https://www.academia.edu/Documents/in/Ecology?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="30756" rel="nofollow" href="https://www.academia.edu/Documents/in/Ecological_Stoichiometry">Ecological Stoichiometry</a>, <script data-card-contents-for-ri="30756" type="text/json">{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="53108" rel="nofollow" href="https://www.academia.edu/Documents/in/Phosphorus">Phosphorus</a>, <script data-card-contents-for-ri="53108" type="text/json">{"id":53108,"name":"Phosphorus","url":"https://www.academia.edu/Documents/in/Phosphorus?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="57433" rel="nofollow" href="https://www.academia.edu/Documents/in/Seasonality">Seasonality</a><script data-card-contents-for-ri="57433" type="text/json">{"id":57433,"name":"Seasonality","url":"https://www.academia.edu/Documents/in/Seasonality?f_ri=30756","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=29521709]'), work: {"id":29521709,"title":"Subsidy–stress response of macroinvertebrate community biomass to a phosphorus gradient in an oligotrophic wetland ecosystem","created_at":"2016-10-29T07:03:30.274-07:00","url":"https://www.academia.edu/29521709/Subsidy_stress_response_of_macroinvertebrate_community_biomass_to_a_phosphorus_gradient_in_an_oligotrophic_wetland_ecosystem?f_ri=30756","dom_id":"work_29521709","summary":"We used a subsidy-stress model as a basis for predicting macroinvertebrate community response to a steep gradient of P enrichment in the Florida Everglades, a P-limited wetland ecosystem. We tested the hypothesis that consumers were resource limited and their biomass would show a subsidy response (increase) to low-to-moderate levels of P enrichment, but a stress response (decrease) at high levels of P enrichment because dense emergent macrophytes, particularly Typha, might significantly reduce periphyton food resources. We used a spatially extensive sampling design (14 clusters of 9 sites, 126 total) that incorporated vegetation pattern to evaluate consumer responses along the P gradient. We then conducted a 1-y temporal study at 3 of the 14 clusters to evaluate how seasonal hydrological variation interacted with nutrients to influence consumer biomass. Macroinvertebrate community biomass showed a significant unimodal response to increasing P enrichment consistent with a subsidy-stress relationship. Eight of 12 major taxonomic groups (Amphipoda, Decapoda, Diptera, Empheroptera, Gastropoda, Hirudinea, Odonata, Oligochaeta) had this unimodal response, whereas 3 (Coleoptera, Hemiptera, Isopoda) increased monotonically and 1 (Trichoptera) decreased monotonically in response to P. Periphyton C:N and C:P ratios declined with increasing P, but periphyton cover was minimal at high levels of P enrichment where tall invasive macrophytes limited its growth. The temporal study revealed a subsidy-stress response except after marsh reflooding following the dry season when the most P-enriched clusters of sites had the highest consumer biomass, presumably because drought-induced senescence reduced macrophyte cover, which enabled heavy growth of periphyton. Our results suggest that an interaction between increased quality and decreased quantity of periphyton caused the subsidy-stress patterns observed. We suggest our findings could be generalized to other wetland ecosystems where nutrient enrichment leads to invasion of weedy emergent macrophytes, such as Typha, and elimination of open-canopy habitats rich in periphyton.","downloadable_attachments":[{"id":49960843,"asset_id":29521709,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":55799360,"first_name":"Curtis","last_name":"Richardson","domain_name":"independent","page_name":"CurtisRichardson1","display_name":"Curtis Richardson","profile_url":"https://independent.academia.edu/CurtisRichardson1?f_ri=30756","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":9846,"name":"Ecology","url":"https://www.academia.edu/Documents/in/Ecology?f_ri=30756","nofollow":true},{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true},{"id":53108,"name":"Phosphorus","url":"https://www.academia.edu/Documents/in/Phosphorus?f_ri=30756","nofollow":true},{"id":57433,"name":"Seasonality","url":"https://www.academia.edu/Documents/in/Seasonality?f_ri=30756","nofollow":true},{"id":82682,"name":"Food web","url":"https://www.academia.edu/Documents/in/Food_web?f_ri=30756"},{"id":98707,"name":"Stress response","url":"https://www.academia.edu/Documents/in/Stress_response?f_ri=30756"},{"id":170652,"name":"Fisheries Sciences","url":"https://www.academia.edu/Documents/in/Fisheries_Sciences?f_ri=30756"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_15529343 coauthored" data-work_id="15529343" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/15529343/Long_term_effects_of_drainage_and_hay_removal_on_nutrient_dynamics_and_limitation_in_the_Biebrza_mires_Poland">Long-term effects of drainage and hay-removal on nutrient dynamics and limitation in the Biebrza mires, Poland</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">To provide a reference for wetlands elsewhere we analysed soil nutrients and the vegetation of floodplains and fens in the relatively undisturbed Biebrza-valley, Poland. Additionally, by studying sites along a water-table gradient, and by... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_15529343" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">To provide a reference for wetlands elsewhere we analysed soil nutrients and the vegetation of floodplains and fens in the relatively undisturbed Biebrza-valley, Poland. Additionally, by studying sites along a water-table gradient, and by comparing pairs of mown and unmown sites, we aimed with exploring long-term effects of drainage and annual hay-removal on nutrient availabilities and vegetation response. In undrained fens and floodplains, N mineralization went slowly (0-30 kg N ha -1 year -1 ) but it increased strongly with decreasing water table (up to 120 kg N ha -1 year -1 ). Soil N, P and K pools were small in the undisturbed mires. Drainage had caused a shift from fen to meadow species and the disappearance of bryophytes. Biomass of vascular plants increased with increasing N mineralization and soil P. Annual hayremoval tended to have reduced N mineralization and soil K pools, but it had increased soil P. Moreover, N concentrations in vascular plants were not affected, but P and K concentrations and therefore N:P and N:K ratios tended to be changed. Annual hay-removal had induced a shift from P to K limitation in the severely drained fen, and from P to N limitation in the floodplain. The low nutrient availabilities and productivity of the undisturbed Biebrza mires illustrate the vulnerability of such mires to eutrophication in Poland and elsewhere. In nutrient-enriched areas, hay removal may prevent productivity increase of the vegetation, but also may severely alter N:P:K stoichiometry, induce K-limitation at drained sites, and alter vegetation structure and composition.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/15529343" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="8f17b062869e8fdcb1a4d595b443d162" rel="nofollow" data-download="{"attachment_id":43117978,"asset_id":15529343,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/43117978/download_file?st=MTc0MDg3MzI0Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="34684536" href="https://129nowoursynowskastr.academia.edu/IgnacyKardel">Ignacy Kardel</a><script data-card-contents-for-user="34684536" type="text/json">{"id":34684536,"first_name":"Ignacy","last_name":"Kardel","domain_name":"129nowoursynowskastr","page_name":"IgnacyKardel","display_name":"Ignacy Kardel","profile_url":"https://129nowoursynowskastr.academia.edu/IgnacyKardel?f_ri=30756","photo":"/images/s65_no_pic.png"}</script></span></span><span class="u-displayInlineBlock InlineList-item-text"> and <span class="u-textDecorationUnderline u-clickable InlineList-item-text js-work-more-authors-15529343">+1</span><div class="hidden js-additional-users-15529343"><div><span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a href="https://independent.academia.edu/HarryVenterink">Harry Venterink</a></span></div></div></span><script>(function(){ var popoverSettings = { el: $('.js-work-more-authors-15529343'), placement: 'bottom', hide_delay: 200, html: true, content: function(){ return $('.js-additional-users-15529343').html(); } } new HoverPopover(popoverSettings); })();</script></li><li class="js-paper-rank-work_15529343 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="15529343"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 15529343, container: ".js-paper-rank-work_15529343", }); });</script></li><li class="js-percentile-work_15529343 InlineList-item InlineList-item--bordered hidden u-tcGrayDark"><span class="percentile-widget hidden"><span class="u-mr2x percentile-widget" style="display: none">•</span><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 15529343; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_15529343"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_15529343 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="15529343"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 15529343; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=15529343]").text(description); $(".js-view-count-work_15529343").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_15529343").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="15529343"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">11</a>  </div><span class="InlineList-item-text u-textTruncate u-pl10x"><a class="InlineList-item-text" data-has-card-for-ri="407" rel="nofollow" href="https://www.academia.edu/Documents/in/Geochemistry">Geochemistry</a>, <script data-card-contents-for-ri="407" type="text/json">{"id":407,"name":"Geochemistry","url":"https://www.academia.edu/Documents/in/Geochemistry?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="1361" rel="nofollow" href="https://www.academia.edu/Documents/in/Biogeochemistry">Biogeochemistry</a>, <script data-card-contents-for-ri="1361" type="text/json">{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="30756" rel="nofollow" href="https://www.academia.edu/Documents/in/Ecological_Stoichiometry">Ecological Stoichiometry</a>, <script data-card-contents-for-ri="30756" type="text/json">{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="93027" rel="nofollow" href="https://www.academia.edu/Documents/in/Nutrient_Enrichment">Nutrient Enrichment</a><script data-card-contents-for-ri="93027" type="text/json">{"id":93027,"name":"Nutrient Enrichment","url":"https://www.academia.edu/Documents/in/Nutrient_Enrichment?f_ri=30756","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=15529343]'), work: {"id":15529343,"title":"Long-term effects of drainage and hay-removal on nutrient dynamics and limitation in the Biebrza mires, Poland","created_at":"2015-09-08T21:53:59.830-07:00","url":"https://www.academia.edu/15529343/Long_term_effects_of_drainage_and_hay_removal_on_nutrient_dynamics_and_limitation_in_the_Biebrza_mires_Poland?f_ri=30756","dom_id":"work_15529343","summary":"To provide a reference for wetlands elsewhere we analysed soil nutrients and the vegetation of floodplains and fens in the relatively undisturbed Biebrza-valley, Poland. Additionally, by studying sites along a water-table gradient, and by comparing pairs of mown and unmown sites, we aimed with exploring long-term effects of drainage and annual hay-removal on nutrient availabilities and vegetation response. In undrained fens and floodplains, N mineralization went slowly (0-30 kg N ha -1 year -1 ) but it increased strongly with decreasing water table (up to 120 kg N ha -1 year -1 ). Soil N, P and K pools were small in the undisturbed mires. Drainage had caused a shift from fen to meadow species and the disappearance of bryophytes. Biomass of vascular plants increased with increasing N mineralization and soil P. Annual hayremoval tended to have reduced N mineralization and soil K pools, but it had increased soil P. Moreover, N concentrations in vascular plants were not affected, but P and K concentrations and therefore N:P and N:K ratios tended to be changed. Annual hay-removal had induced a shift from P to K limitation in the severely drained fen, and from P to N limitation in the floodplain. The low nutrient availabilities and productivity of the undisturbed Biebrza mires illustrate the vulnerability of such mires to eutrophication in Poland and elsewhere. In nutrient-enriched areas, hay removal may prevent productivity increase of the vegetation, but also may severely alter N:P:K stoichiometry, induce K-limitation at drained sites, and alter vegetation structure and composition.","downloadable_attachments":[{"id":43117978,"asset_id":15529343,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":34684536,"first_name":"Ignacy","last_name":"Kardel","domain_name":"129nowoursynowskastr","page_name":"IgnacyKardel","display_name":"Ignacy Kardel","profile_url":"https://129nowoursynowskastr.academia.edu/IgnacyKardel?f_ri=30756","photo":"/images/s65_no_pic.png"},{"id":40877949,"first_name":"Harry","last_name":"Venterink","domain_name":"independent","page_name":"HarryVenterink","display_name":"Harry Venterink","profile_url":"https://independent.academia.edu/HarryVenterink?f_ri=30756","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":407,"name":"Geochemistry","url":"https://www.academia.edu/Documents/in/Geochemistry?f_ri=30756","nofollow":true},{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=30756","nofollow":true},{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true},{"id":93027,"name":"Nutrient Enrichment","url":"https://www.academia.edu/Documents/in/Nutrient_Enrichment?f_ri=30756","nofollow":true},{"id":165221,"name":"Water Table","url":"https://www.academia.edu/Documents/in/Water_Table?f_ri=30756"},{"id":619280,"name":"Nutrient Availability","url":"https://www.academia.edu/Documents/in/Nutrient_Availability?f_ri=30756"},{"id":769763,"name":"Soil Nutrients","url":"https://www.academia.edu/Documents/in/Soil_Nutrients?f_ri=30756"},{"id":800515,"name":"Long Term Effect","url":"https://www.academia.edu/Documents/in/Long_Term_Effect?f_ri=30756"},{"id":808624,"name":"Vascular Plants","url":"https://www.academia.edu/Documents/in/Vascular_Plants?f_ri=30756"},{"id":1273286,"name":"Nutrient dynamics","url":"https://www.academia.edu/Documents/in/Nutrient_dynamics?f_ri=30756"},{"id":1640562,"name":"Vegetation Structure","url":"https://www.academia.edu/Documents/in/Vegetation_Structure?f_ri=30756"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_16158811" data-work_id="16158811" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/16158811/Spring_bloom_community_change_modifies_carbon_pathways_and_C_N_P_Chl_a_stoichiometry_of_coastal_material_fluxes">Spring bloom community change modifies carbon pathways and C: N: P: Chl a stoichiometry of coastal material fluxes</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Diatoms and dinoflagellates are major bloom-forming phytoplankton groups competing for resources in the oceans and coastal seas. Recent evidence suggests that their competition is significantly affected by climatic factors under ongoing... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_16158811" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Diatoms and dinoflagellates are major bloom-forming phytoplankton groups competing for resources in the oceans and coastal seas. Recent evidence suggests that their competition is significantly affected by climatic factors under ongoing change, modifying especially the conditions for cold-water, spring bloom communities in temperate 5 and arctic regions. We investigated the effects of phytoplankton community composition on spring bloom carbon flows and nutrient stoichiometry in multi-year mesocosm experiments. Comparison of differing communities showed that community structure significantly affected C accumulation parameters, with highest particulate organic carbon (POC) build-up and dissolved organic carbon (DOC) release in diatom-dominated 10 communities. In terms of inorganic nutrient drawdown and bloom accumulation phase, the dominating groups behaved as functional surrogates. Dominance patterns, however, significantly affected C : N : P : Chl a ratios over the whole bloom event: when diatoms were dominant, these ratios increased compared to dinoflagellate dominance or mixed communities. Diatom-dominated communities sequestered carbon up to 3.6-fold 15 higher than the expectation based on the Redfield ratio, and 2-fold higher compared to dinoflagellate dominance. To our knowledge, this is the first experimental report of consequences of climatically driven shifts in phytoplankton dominance patterns for carbon sequestration and related biogeochemical cycles in coastal seas. Our results also highlight the need for remote sensing technologies with taxonomical resolution, as the 20 C : Chl a ratio was strongly dependent on community composition and bloom stage. Climate-driven changes in phytoplankton dominance patterns will have far-reaching consequences for major biogeochemical cycles and need to be considered in climate change scenarios for marine systems.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/16158811" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="2daa1d966cdbf92811300b78473295b8" rel="nofollow" data-download="{"attachment_id":42662892,"asset_id":16158811,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/42662892/download_file?st=MTc0MDg3MzI0Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="35272913" href="https://independent.academia.edu/AnkeKremp">Anke Kremp</a><script data-card-contents-for-user="35272913" type="text/json">{"id":35272913,"first_name":"Anke","last_name":"Kremp","domain_name":"independent","page_name":"AnkeKremp","display_name":"Anke Kremp","profile_url":"https://independent.academia.edu/AnkeKremp?f_ri=30756","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_16158811 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="16158811"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 16158811, container: ".js-paper-rank-work_16158811", }); 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$(".js-view-count[data-work-id=16158811]").text(description); $(".js-view-count-work_16158811").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_16158811").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="16158811"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">8</a>  </div><span class="InlineList-item-text u-textTruncate u-pl9x"><a class="InlineList-item-text" data-has-card-for-ri="158" rel="nofollow" href="https://www.academia.edu/Documents/in/Marine_Biology">Marine Biology</a>, <script data-card-contents-for-ri="158" type="text/json">{"id":158,"name":"Marine Biology","url":"https://www.academia.edu/Documents/in/Marine_Biology?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="6598" rel="nofollow" href="https://www.academia.edu/Documents/in/Phytoplankton_Ecology">Phytoplankton Ecology</a>, <script data-card-contents-for-ri="6598" type="text/json">{"id":6598,"name":"Phytoplankton Ecology","url":"https://www.academia.edu/Documents/in/Phytoplankton_Ecology?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="14718" rel="nofollow" href="https://www.academia.edu/Documents/in/Biogeochemical_cycles">Biogeochemical cycles</a>, <script data-card-contents-for-ri="14718" type="text/json">{"id":14718,"name":"Biogeochemical cycles","url":"https://www.academia.edu/Documents/in/Biogeochemical_cycles?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="17257" rel="nofollow" href="https://www.academia.edu/Documents/in/Dinoflagellates">Dinoflagellates</a><script data-card-contents-for-ri="17257" type="text/json">{"id":17257,"name":"Dinoflagellates","url":"https://www.academia.edu/Documents/in/Dinoflagellates?f_ri=30756","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=16158811]'), work: {"id":16158811,"title":"Spring bloom community change modifies carbon pathways and C: N: P: Chl a stoichiometry of coastal material fluxes","created_at":"2015-09-25T05:06:24.438-07:00","url":"https://www.academia.edu/16158811/Spring_bloom_community_change_modifies_carbon_pathways_and_C_N_P_Chl_a_stoichiometry_of_coastal_material_fluxes?f_ri=30756","dom_id":"work_16158811","summary":"Diatoms and dinoflagellates are major bloom-forming phytoplankton groups competing for resources in the oceans and coastal seas. Recent evidence suggests that their competition is significantly affected by climatic factors under ongoing change, modifying especially the conditions for cold-water, spring bloom communities in temperate 5 and arctic regions. We investigated the effects of phytoplankton community composition on spring bloom carbon flows and nutrient stoichiometry in multi-year mesocosm experiments. Comparison of differing communities showed that community structure significantly affected C accumulation parameters, with highest particulate organic carbon (POC) build-up and dissolved organic carbon (DOC) release in diatom-dominated 10 communities. In terms of inorganic nutrient drawdown and bloom accumulation phase, the dominating groups behaved as functional surrogates. Dominance patterns, however, significantly affected C : N : P : Chl a ratios over the whole bloom event: when diatoms were dominant, these ratios increased compared to dinoflagellate dominance or mixed communities. Diatom-dominated communities sequestered carbon up to 3.6-fold 15 higher than the expectation based on the Redfield ratio, and 2-fold higher compared to dinoflagellate dominance. To our knowledge, this is the first experimental report of consequences of climatically driven shifts in phytoplankton dominance patterns for carbon sequestration and related biogeochemical cycles in coastal seas. Our results also highlight the need for remote sensing technologies with taxonomical resolution, as the 20 C : Chl a ratio was strongly dependent on community composition and bloom stage. Climate-driven changes in phytoplankton dominance patterns will have far-reaching consequences for major biogeochemical cycles and need to be considered in climate change scenarios for marine systems.","downloadable_attachments":[{"id":42662892,"asset_id":16158811,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":35272913,"first_name":"Anke","last_name":"Kremp","domain_name":"independent","page_name":"AnkeKremp","display_name":"Anke Kremp","profile_url":"https://independent.academia.edu/AnkeKremp?f_ri=30756","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":158,"name":"Marine Biology","url":"https://www.academia.edu/Documents/in/Marine_Biology?f_ri=30756","nofollow":true},{"id":6598,"name":"Phytoplankton Ecology","url":"https://www.academia.edu/Documents/in/Phytoplankton_Ecology?f_ri=30756","nofollow":true},{"id":14718,"name":"Biogeochemical cycles","url":"https://www.academia.edu/Documents/in/Biogeochemical_cycles?f_ri=30756","nofollow":true},{"id":17257,"name":"Dinoflagellates","url":"https://www.academia.edu/Documents/in/Dinoflagellates?f_ri=30756","nofollow":true},{"id":23491,"name":"Diatoms","url":"https://www.academia.edu/Documents/in/Diatoms?f_ri=30756"},{"id":24638,"name":"Marine Biogeochemistry","url":"https://www.academia.edu/Documents/in/Marine_Biogeochemistry?f_ri=30756"},{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756"},{"id":151321,"name":"Biogeosciences","url":"https://www.academia.edu/Documents/in/Biogeosciences?f_ri=30756"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_7299147" data-work_id="7299147" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/7299147/Effects_of_phosphorus_enrichment_and_grazing_snails_on_modern_stromatolitic_microbial_communities">Effects of phosphorus enrichment and grazing snails on modern stromatolitic microbial communities</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">1. The effects of phosphorus enrichment and grazing snails on a benthic microbial community that builds stromatolic oncolites were examined in an experiment at Rio Mesquites, Cuatro Ciénegas, Mexico. Chemical analyses of stream water... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_7299147" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">1. The effects of phosphorus enrichment and grazing snails on a benthic microbial community that builds stromatolic oncolites were examined in an experiment at Rio Mesquites, Cuatro Ciénegas, Mexico. Chemical analyses of stream water samples indicated that overall atomic ratios of total nitrogen (N) to total phosphorus (P) were approximately 110, indicating a strong potential for P-limitation of microbial growth.<br /><br />2. Phosphorus enrichment involved addition of 5 μmol Na2HPO4 L−1 to streamside microcosms receiving intermittent inputs of stream water while grazer manipulation involved removal of the dominant grazer, the snail Mexithauma quadripaludium. After 7 weeks, we examined responses in organic matter content, C : N : P ratios, metabolism (P removal, primary production, dark respiration, and calcification), and microbial community structure using molecular fingerprinting of 16S rRNA genes.<br /><br />3. Manipulation of snails did not affect response variables measured in these treatments (organic matter, C : P ratio, P removal rate). However, P enrichment significantly decreased the C : P and N : P ratios of surficial materials in the oncolites (organic matter content was unchanged), increased net and gross photosynthesis (oxygen consumption in the dark was unchanged), increased rates of calcification, and increased diatoms relative to cyanobacteria. Heterotrophic Eubacteria and Archaea were only modestly affected. Thus, our results indicate weak grazing effects but strong impacts of P in this benthic system.<br /><br />4. We hypothesise that a state of severe P-limitation is imposed on autotrophic production in this food web due, at least in part, to co-precipitation of phosphate during calcite deposition. This produces severe P-limitation of the benthic algae and cyanobacteria, resulting in high C : P ratio of microbial mats relative to the biomass of photoautotrophs (phytoplankton, terrestrial foliage) in other ecosystems. In turn, this high C : P ratio is likely to generate severe stoichiometric constraints on the herbivores, thus limiting their populations and resulting in weak overall grazing impacts.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/7299147" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="f288a9ace4c2bb15d30b3f584a2ac837" rel="nofollow" data-download="{"attachment_id":33905575,"asset_id":7299147,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/33905575/download_file?st=MTc0MDg3MzI0Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="12771682" href="https://michiganstate.academia.edu/BrianDWade">Brian D. Wade</a><script data-card-contents-for-user="12771682" type="text/json">{"id":12771682,"first_name":"Brian D.","last_name":"Wade","domain_name":"michiganstate","page_name":"BrianDWade","display_name":"Brian D. Wade","profile_url":"https://michiganstate.academia.edu/BrianDWade?f_ri=30756","photo":"https://0.academia-photos.com/12771682/3632412/4260229/s65_brian_d..wade.jpg"}</script></span></span></li><li class="js-paper-rank-work_7299147 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="7299147"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 7299147, container: ".js-paper-rank-work_7299147", }); });</script></li><li class="js-percentile-work_7299147 InlineList-item InlineList-item--bordered hidden u-tcGrayDark"><span class="percentile-widget hidden"><span class="u-mr2x percentile-widget" style="display: none">•</span><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 7299147; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_7299147"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_7299147 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="7299147"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 7299147; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=7299147]").text(description); $(".js-view-count-work_7299147").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_7299147").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="7299147"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">13</a>  </div><span class="InlineList-item-text u-textTruncate u-pl10x"><a class="InlineList-item-text" data-has-card-for-ri="1420" rel="nofollow" href="https://www.academia.edu/Documents/in/Aquatic_Ecology">Aquatic Ecology</a>, <script data-card-contents-for-ri="1420" type="text/json">{"id":1420,"name":"Aquatic Ecology","url":"https://www.academia.edu/Documents/in/Aquatic_Ecology?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="1444" rel="nofollow" href="https://www.academia.edu/Documents/in/Environmental_microbiology">Environmental microbiology</a>, <script data-card-contents-for-ri="1444" type="text/json">{"id":1444,"name":"Environmental microbiology","url":"https://www.academia.edu/Documents/in/Environmental_microbiology?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="6389" rel="nofollow" href="https://www.academia.edu/Documents/in/Microbial_Ecology">Microbial Ecology</a>, <script data-card-contents-for-ri="6389" type="text/json">{"id":6389,"name":"Microbial Ecology","url":"https://www.academia.edu/Documents/in/Microbial_Ecology?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="7094" rel="nofollow" href="https://www.academia.edu/Documents/in/Aquatic_Microbial_Ecology">Aquatic Microbial Ecology</a><script data-card-contents-for-ri="7094" type="text/json">{"id":7094,"name":"Aquatic Microbial Ecology","url":"https://www.academia.edu/Documents/in/Aquatic_Microbial_Ecology?f_ri=30756","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=7299147]'), work: {"id":7299147,"title":"Effects of phosphorus enrichment and grazing snails on modern stromatolitic microbial communities","created_at":"2014-06-09T01:47:40.757-07:00","url":"https://www.academia.edu/7299147/Effects_of_phosphorus_enrichment_and_grazing_snails_on_modern_stromatolitic_microbial_communities?f_ri=30756","dom_id":"work_7299147","summary":"1. The effects of phosphorus enrichment and grazing snails on a benthic microbial community that builds stromatolic oncolites were examined in an experiment at Rio Mesquites, Cuatro Ciénegas, Mexico. Chemical analyses of stream water samples indicated that overall atomic ratios of total nitrogen (N) to total phosphorus (P) were approximately 110, indicating a strong potential for P-limitation of microbial growth.\n\n2. Phosphorus enrichment involved addition of 5 μmol Na2HPO4 L−1 to streamside microcosms receiving intermittent inputs of stream water while grazer manipulation involved removal of the dominant grazer, the snail Mexithauma quadripaludium. After 7 weeks, we examined responses in organic matter content, C : N : P ratios, metabolism (P removal, primary production, dark respiration, and calcification), and microbial community structure using molecular fingerprinting of 16S rRNA genes.\n\n3. Manipulation of snails did not affect response variables measured in these treatments (organic matter, C : P ratio, P removal rate). However, P enrichment significantly decreased the C : P and N : P ratios of surficial materials in the oncolites (organic matter content was unchanged), increased net and gross photosynthesis (oxygen consumption in the dark was unchanged), increased rates of calcification, and increased diatoms relative to cyanobacteria. Heterotrophic Eubacteria and Archaea were only modestly affected. Thus, our results indicate weak grazing effects but strong impacts of P in this benthic system.\n\n4. We hypothesise that a state of severe P-limitation is imposed on autotrophic production in this food web due, at least in part, to co-precipitation of phosphate during calcite deposition. This produces severe P-limitation of the benthic algae and cyanobacteria, resulting in high C : P ratio of microbial mats relative to the biomass of photoautotrophs (phytoplankton, terrestrial foliage) in other ecosystems. In turn, this high C : P ratio is likely to generate severe stoichiometric constraints on the herbivores, thus limiting their populations and resulting in weak overall grazing impacts.","downloadable_attachments":[{"id":33905575,"asset_id":7299147,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":12771682,"first_name":"Brian D.","last_name":"Wade","domain_name":"michiganstate","page_name":"BrianDWade","display_name":"Brian D. Wade","profile_url":"https://michiganstate.academia.edu/BrianDWade?f_ri=30756","photo":"https://0.academia-photos.com/12771682/3632412/4260229/s65_brian_d..wade.jpg"}],"research_interests":[{"id":1420,"name":"Aquatic Ecology","url":"https://www.academia.edu/Documents/in/Aquatic_Ecology?f_ri=30756","nofollow":true},{"id":1444,"name":"Environmental microbiology","url":"https://www.academia.edu/Documents/in/Environmental_microbiology?f_ri=30756","nofollow":true},{"id":6389,"name":"Microbial Ecology","url":"https://www.academia.edu/Documents/in/Microbial_Ecology?f_ri=30756","nofollow":true},{"id":7094,"name":"Aquatic Microbial Ecology","url":"https://www.academia.edu/Documents/in/Aquatic_Microbial_Ecology?f_ri=30756","nofollow":true},{"id":9752,"name":"Cyanobacteria","url":"https://www.academia.edu/Documents/in/Cyanobacteria?f_ri=30756"},{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756"},{"id":62745,"name":"Molecular Microbial Ecology","url":"https://www.academia.edu/Documents/in/Molecular_Microbial_Ecology?f_ri=30756"},{"id":113903,"name":"Bacteria","url":"https://www.academia.edu/Documents/in/Bacteria?f_ri=30756"},{"id":129095,"name":"Microbialites","url":"https://www.academia.edu/Documents/in/Microbialites?f_ri=30756"},{"id":186440,"name":"Snails","url":"https://www.academia.edu/Documents/in/Snails?f_ri=30756"},{"id":187170,"name":"Stromatolites","url":"https://www.academia.edu/Documents/in/Stromatolites?f_ri=30756"},{"id":321479,"name":"Evolution and Phylogeny of Metazoan","url":"https://www.academia.edu/Documents/in/Evolution_and_Phylogeny_of_Metazoan?f_ri=30756"},{"id":958978,"name":"Oncolites","url":"https://www.academia.edu/Documents/in/Oncolites?f_ri=30756"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_18614901" data-work_id="18614901" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/18614901/Ecological_Stoichiometry_along_a_Gradient_of_Forest_Succession_Bait_Preferences_of_Litter_Ants">Ecological Stoichiometry along a Gradient of Forest Succession: Bait Preferences of Litter Ants</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">We examined bait preferences of litter ants along a successional gradient of forests in the Atlantic Forest of Brazil. The ants preferred protein-based baits in secondary forests, yet preferred carbohydrate-based baits in old-growth... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_18614901" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">We examined bait preferences of litter ants along a successional gradient of forests in the Atlantic Forest of Brazil. The ants preferred protein-based baits in secondary forests, yet preferred carbohydrate-based baits in old-growth forests. This suggests a shift in stoichiometric balances between secondary and old-growth forest which might have an impact on the functional interactions in these ecosystems. Therefore, the ecological services offered by secondary habitats may be quite different from those offered by old-growth forests.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/18614901" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="fbf027feb22ae152ae20f1f1178dbdee" rel="nofollow" data-download="{"attachment_id":40158906,"asset_id":18614901,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/40158906/download_file?st=MTc0MDg3MzI0Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="1176533" href="https://smnk.academia.edu/ManfredVerhaagh">Manfred Verhaagh</a><script data-card-contents-for-user="1176533" type="text/json">{"id":1176533,"first_name":"Manfred","last_name":"Verhaagh","domain_name":"smnk","page_name":"ManfredVerhaagh","display_name":"Manfred Verhaagh","profile_url":"https://smnk.academia.edu/ManfredVerhaagh?f_ri=30756","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_18614901 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="18614901"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 18614901, container: ".js-paper-rank-work_18614901", }); });</script></li><li class="js-percentile-work_18614901 InlineList-item InlineList-item--bordered hidden u-tcGrayDark"><span class="percentile-widget hidden"><span class="u-mr2x percentile-widget" style="display: none">•</span><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 18614901; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_18614901"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_18614901 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="18614901"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 18614901; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=18614901]").text(description); $(".js-view-count-work_18614901").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_18614901").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="18614901"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">4</a>  </div><span class="InlineList-item-text u-textTruncate u-pl9x"><a class="InlineList-item-text" data-has-card-for-ri="30756" rel="nofollow" href="https://www.academia.edu/Documents/in/Ecological_Stoichiometry">Ecological Stoichiometry</a>, <script data-card-contents-for-ri="30756" type="text/json">{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="47884" rel="nofollow" href="https://www.academia.edu/Documents/in/Biological_Sciences">Biological Sciences</a>, <script data-card-contents-for-ri="47884" type="text/json">{"id":47884,"name":"Biological Sciences","url":"https://www.academia.edu/Documents/in/Biological_Sciences?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="58054" rel="nofollow" href="https://www.academia.edu/Documents/in/Environmental_Sciences">Environmental Sciences</a>, <script data-card-contents-for-ri="58054" type="text/json">{"id":58054,"name":"Environmental Sciences","url":"https://www.academia.edu/Documents/in/Environmental_Sciences?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="173025" rel="nofollow" href="https://www.academia.edu/Documents/in/Forest_succession">Forest succession</a><script data-card-contents-for-ri="173025" type="text/json">{"id":173025,"name":"Forest succession","url":"https://www.academia.edu/Documents/in/Forest_succession?f_ri=30756","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=18614901]'), work: {"id":18614901,"title":"Ecological Stoichiometry along a Gradient of Forest Succession: Bait Preferences of Litter Ants","created_at":"2015-11-18T16:17:16.688-08:00","url":"https://www.academia.edu/18614901/Ecological_Stoichiometry_along_a_Gradient_of_Forest_Succession_Bait_Preferences_of_Litter_Ants?f_ri=30756","dom_id":"work_18614901","summary":"We examined bait preferences of litter ants along a successional gradient of forests in the Atlantic Forest of Brazil. The ants preferred protein-based baits in secondary forests, yet preferred carbohydrate-based baits in old-growth forests. This suggests a shift in stoichiometric balances between secondary and old-growth forest which might have an impact on the functional interactions in these ecosystems. Therefore, the ecological services offered by secondary habitats may be quite different from those offered by old-growth forests.","downloadable_attachments":[{"id":40158906,"asset_id":18614901,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":1176533,"first_name":"Manfred","last_name":"Verhaagh","domain_name":"smnk","page_name":"ManfredVerhaagh","display_name":"Manfred Verhaagh","profile_url":"https://smnk.academia.edu/ManfredVerhaagh?f_ri=30756","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true},{"id":47884,"name":"Biological Sciences","url":"https://www.academia.edu/Documents/in/Biological_Sciences?f_ri=30756","nofollow":true},{"id":58054,"name":"Environmental Sciences","url":"https://www.academia.edu/Documents/in/Environmental_Sciences?f_ri=30756","nofollow":true},{"id":173025,"name":"Forest succession","url":"https://www.academia.edu/Documents/in/Forest_succession?f_ri=30756","nofollow":true}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_29200565" data-work_id="29200565" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/29200565/Phosphorus_availability_influences_cricket_mate_attraction_displays">Phosphorus availability influences cricket mate attraction displays</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">behavioural stoichiometry calling effort diet ecological stoichiometry Gryllidae mate attraction phosphorus Adopting a stoichiometric perspective (e.g. the balance of carbon, nitrogen and phosphorus in organisms and their resources) has... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_29200565" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">behavioural stoichiometry calling effort diet ecological stoichiometry Gryllidae mate attraction phosphorus Adopting a stoichiometric perspective (e.g. the balance of carbon, nitrogen and phosphorus in organisms and their resources) has enhanced our understanding of ecological phenomena at a variety of hierarchical levels of organization. Unfortunately, little is presently known about how stoichiometry directly influences animal behaviour. Here we use a stoichiometric perspective to investigate how phosphorus availability in the environment influences mate attraction behaviour in insects. Using adult male European house crickets (Acheta domesticus), we manipulated the availability of dietary phosphorus and we quantified how survival, propensity to signal acoustically or not ('signallers' versus nonsignalling 'silent' males) and lifetime mate attraction signalling were affected. Dietary phosphorus availability did not influence the proportion of signallers versus silent males. However, signallers fed a diet rich in phosphorus had significantly higher signalling efforts than those that consumed a phosphorus-poor diet. Interestingly, signallers also lived longer than silent males, but neither signaller nor silent male survival was influenced by diet. Our findings suggest that the availability of dietary phosphorus has the potential to impact mating system evolution. Ó</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/29200565" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="7b9fdfd6e0cd7f5faca2221ed5904dc0" rel="nofollow" data-download="{"attachment_id":49649419,"asset_id":29200565,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/49649419/download_file?st=MTc0MDg3MzI0Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="55118256" href="https://independent.academia.edu/EmilyWhattam">Emily Whattam</a><script data-card-contents-for-user="55118256" type="text/json">{"id":55118256,"first_name":"Emily","last_name":"Whattam","domain_name":"independent","page_name":"EmilyWhattam","display_name":"Emily Whattam","profile_url":"https://independent.academia.edu/EmilyWhattam?f_ri=30756","photo":"https://0.academia-photos.com/55118256/14530995/15406701/s65_emily.whattam.jpg"}</script></span></span></li><li class="js-paper-rank-work_29200565 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="29200565"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 29200565, container: ".js-paper-rank-work_29200565", }); });</script></li><li class="js-percentile-work_29200565 InlineList-item InlineList-item--bordered hidden u-tcGrayDark"><span class="percentile-widget hidden"><span class="u-mr2x percentile-widget" style="display: none">•</span><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 29200565; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_29200565"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_29200565 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="29200565"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 29200565; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=29200565]").text(description); $(".js-view-count-work_29200565").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_29200565").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="29200565"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">7</a>  </div><span class="InlineList-item-text u-textTruncate u-pl9x"><a class="InlineList-item-text" data-has-card-for-ri="22838" rel="nofollow" href="https://www.academia.edu/Documents/in/Animal_Behaviour">Animal Behaviour</a>, <script data-card-contents-for-ri="22838" type="text/json">{"id":22838,"name":"Animal Behaviour","url":"https://www.academia.edu/Documents/in/Animal_Behaviour?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="30756" rel="nofollow" href="https://www.academia.edu/Documents/in/Ecological_Stoichiometry">Ecological Stoichiometry</a>, <script data-card-contents-for-ri="30756" type="text/json">{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="47884" rel="nofollow" href="https://www.academia.edu/Documents/in/Biological_Sciences">Biological Sciences</a>, <script data-card-contents-for-ri="47884" type="text/json">{"id":47884,"name":"Biological Sciences","url":"https://www.academia.edu/Documents/in/Biological_Sciences?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="53108" rel="nofollow" href="https://www.academia.edu/Documents/in/Phosphorus">Phosphorus</a><script data-card-contents-for-ri="53108" type="text/json">{"id":53108,"name":"Phosphorus","url":"https://www.academia.edu/Documents/in/Phosphorus?f_ri=30756","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=29200565]'), work: {"id":29200565,"title":"Phosphorus availability influences cricket mate attraction displays","created_at":"2016-10-16T17:30:01.548-07:00","url":"https://www.academia.edu/29200565/Phosphorus_availability_influences_cricket_mate_attraction_displays?f_ri=30756","dom_id":"work_29200565","summary":"behavioural stoichiometry calling effort diet ecological stoichiometry Gryllidae mate attraction phosphorus Adopting a stoichiometric perspective (e.g. the balance of carbon, nitrogen and phosphorus in organisms and their resources) has enhanced our understanding of ecological phenomena at a variety of hierarchical levels of organization. Unfortunately, little is presently known about how stoichiometry directly influences animal behaviour. Here we use a stoichiometric perspective to investigate how phosphorus availability in the environment influences mate attraction behaviour in insects. Using adult male European house crickets (Acheta domesticus), we manipulated the availability of dietary phosphorus and we quantified how survival, propensity to signal acoustically or not ('signallers' versus nonsignalling 'silent' males) and lifetime mate attraction signalling were affected. Dietary phosphorus availability did not influence the proportion of signallers versus silent males. However, signallers fed a diet rich in phosphorus had significantly higher signalling efforts than those that consumed a phosphorus-poor diet. Interestingly, signallers also lived longer than silent males, but neither signaller nor silent male survival was influenced by diet. Our findings suggest that the availability of dietary phosphorus has the potential to impact mating system evolution. Ó","downloadable_attachments":[{"id":49649419,"asset_id":29200565,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":55118256,"first_name":"Emily","last_name":"Whattam","domain_name":"independent","page_name":"EmilyWhattam","display_name":"Emily Whattam","profile_url":"https://independent.academia.edu/EmilyWhattam?f_ri=30756","photo":"https://0.academia-photos.com/55118256/14530995/15406701/s65_emily.whattam.jpg"}],"research_interests":[{"id":22838,"name":"Animal Behaviour","url":"https://www.academia.edu/Documents/in/Animal_Behaviour?f_ri=30756","nofollow":true},{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true},{"id":47884,"name":"Biological Sciences","url":"https://www.academia.edu/Documents/in/Biological_Sciences?f_ri=30756","nofollow":true},{"id":53108,"name":"Phosphorus","url":"https://www.academia.edu/Documents/in/Phosphorus?f_ri=30756","nofollow":true},{"id":149735,"name":"Attraction","url":"https://www.academia.edu/Documents/in/Attraction?f_ri=30756"},{"id":151091,"name":"Nitrogen","url":"https://www.academia.edu/Documents/in/Nitrogen?f_ri=30756"},{"id":151912,"name":"Mating System","url":"https://www.academia.edu/Documents/in/Mating_System?f_ri=30756"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_7106669" data-work_id="7106669" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/7106669/Nutritional_Limitation_Travels_up_the_Food_Chain">Nutritional Limitation Travels up the Food Chain</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">It is a well accepted fact that nutrient limitation of plants affects the growth and survival of herbivores, generally leading to lower performance of herbivores feeding on nutrient stressed plants. The effect of plants' growing... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_7106669" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">It is a well accepted fact that nutrient limitation of plants affects the growth and survival of herbivores, generally leading to lower performance of herbivores feeding on nutrient stressed plants. The effect of plants' growing conditions on predatory organisms, feeding one trophic level up, has been much less studied, and there is a general consensus that such effects would be small as herbivores often show relatively strong homeostasis with respect to their nutrient content. Here, we challenge this view, and show from several examples that despite the fact that herbivores buffer much of the variance in nutrient stoichiometry of their food, effects of growing conditions of the primary producers can travel up the food chain. We discuss the implications of these findings, and argue that phosphorus limitation of secondary consumers might be more common in marine than in freshwater systems.Ohne Phosphor kein GedankeJacob Moleschott, 1822–1893 (© 2008 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/7106669" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="92d7740f5da7c95df2fb956dff698247" rel="nofollow" data-download="{"attachment_id":48597894,"asset_id":7106669,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/48597894/download_file?st=MTc0MDg3MzI0Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="12222207" href="https://squ.academia.edu/ArneMalzahn">Arne Malzahn</a><script data-card-contents-for-user="12222207" type="text/json">{"id":12222207,"first_name":"Arne","last_name":"Malzahn","domain_name":"squ","page_name":"ArneMalzahn","display_name":"Arne Malzahn","profile_url":"https://squ.academia.edu/ArneMalzahn?f_ri=30756","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_7106669 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="7106669"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 7106669, container: ".js-paper-rank-work_7106669", }); });</script></li><li class="js-percentile-work_7106669 InlineList-item InlineList-item--bordered hidden u-tcGrayDark"><span class="percentile-widget hidden"><span class="u-mr2x percentile-widget" style="display: none">•</span><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 7106669; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_7106669"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_7106669 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="7106669"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 7106669; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=7106669]").text(description); $(".js-view-count-work_7106669").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_7106669").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="7106669"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">11</a>  </div><span class="InlineList-item-text u-textTruncate u-pl10x"><a class="InlineList-item-text" data-has-card-for-ri="1907" rel="nofollow" href="https://www.academia.edu/Documents/in/Nutrition">Nutrition</a>, <script data-card-contents-for-ri="1907" type="text/json">{"id":1907,"name":"Nutrition","url":"https://www.academia.edu/Documents/in/Nutrition?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="9846" rel="nofollow" href="https://www.academia.edu/Documents/in/Ecology">Ecology</a>, <script data-card-contents-for-ri="9846" type="text/json">{"id":9846,"name":"Ecology","url":"https://www.academia.edu/Documents/in/Ecology?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="11872" rel="nofollow" href="https://www.academia.edu/Documents/in/Hydrobiology">Hydrobiology</a>, <script data-card-contents-for-ri="11872" type="text/json">{"id":11872,"name":"Hydrobiology","url":"https://www.academia.edu/Documents/in/Hydrobiology?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="30756" rel="nofollow" href="https://www.academia.edu/Documents/in/Ecological_Stoichiometry">Ecological Stoichiometry</a><script data-card-contents-for-ri="30756" type="text/json">{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=7106669]'), work: {"id":7106669,"title":"Nutritional Limitation Travels up the Food Chain","created_at":"2014-05-20T14:42:09.630-07:00","url":"https://www.academia.edu/7106669/Nutritional_Limitation_Travels_up_the_Food_Chain?f_ri=30756","dom_id":"work_7106669","summary":"It is a well accepted fact that nutrient limitation of plants affects the growth and survival of herbivores, generally leading to lower performance of herbivores feeding on nutrient stressed plants. The effect of plants' growing conditions on predatory organisms, feeding one trophic level up, has been much less studied, and there is a general consensus that such effects would be small as herbivores often show relatively strong homeostasis with respect to their nutrient content. Here, we challenge this view, and show from several examples that despite the fact that herbivores buffer much of the variance in nutrient stoichiometry of their food, effects of growing conditions of the primary producers can travel up the food chain. We discuss the implications of these findings, and argue that phosphorus limitation of secondary consumers might be more common in marine than in freshwater systems.Ohne Phosphor kein GedankeJacob Moleschott, 1822–1893 (© 2008 WILEY-VCH Verlag GmbH \u0026 Co. KGaA, Weinheim)","downloadable_attachments":[{"id":48597894,"asset_id":7106669,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":12222207,"first_name":"Arne","last_name":"Malzahn","domain_name":"squ","page_name":"ArneMalzahn","display_name":"Arne Malzahn","profile_url":"https://squ.academia.edu/ArneMalzahn?f_ri=30756","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":1907,"name":"Nutrition","url":"https://www.academia.edu/Documents/in/Nutrition?f_ri=30756","nofollow":true},{"id":9846,"name":"Ecology","url":"https://www.academia.edu/Documents/in/Ecology?f_ri=30756","nofollow":true},{"id":11872,"name":"Hydrobiology","url":"https://www.academia.edu/Documents/in/Hydrobiology?f_ri=30756","nofollow":true},{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true},{"id":53108,"name":"Phosphorus","url":"https://www.academia.edu/Documents/in/Phosphorus?f_ri=30756"},{"id":154923,"name":"Nutrient Content","url":"https://www.academia.edu/Documents/in/Nutrient_Content?f_ri=30756"},{"id":154925,"name":"Trophic Level","url":"https://www.academia.edu/Documents/in/Trophic_Level?f_ri=30756"},{"id":154926,"name":"Nutrient Limitation","url":"https://www.academia.edu/Documents/in/Nutrient_Limitation?f_ri=30756"},{"id":187216,"name":"Zooplankton","url":"https://www.academia.edu/Documents/in/Zooplankton?f_ri=30756"},{"id":566559,"name":"Stoichiometry","url":"https://www.academia.edu/Documents/in/Stoichiometry?f_ri=30756"},{"id":1013028,"name":"Food Chain","url":"https://www.academia.edu/Documents/in/Food_Chain?f_ri=30756"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_9044276" data-work_id="9044276" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/9044276/Combined_effects_of_nutrients_and_small_scale_turbulence_in_a_microcosm_experiment_I_Dynamics_and_size_distribution_of_osmotrophic_plankton">Combined effects of nutrients and small-scale turbulence in a microcosm experiment. I. Dynamics and size distribution of osmotrophic plankton</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">The response of phytoplankton and bacteria dynamics to turbulence and nutrient availability interactions was studied in natural coastal waters enclosed in 15 l microcosms. The effect of turbulence was examined under 3 different... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_9044276" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">The response of phytoplankton and bacteria dynamics to turbulence and nutrient availability interactions was studied in natural coastal waters enclosed in 15 l microcosms. The effect of turbulence was examined under 3 different nutrient-induced conditions: nitrogen surplus (N, with initial addition of an excess of nitrogen, N:P ratio = 160), nitrogen:phosphorus ratio balanced (NP, with initial addition of nitrogen and phosphorus as Redfield ratio, N:P ratio = 16) and control (C, no nutrient addition). Turbulence (ε = 0.055 cm 2 s -3 ) was generated by vertically oscillating grids. The experiment lasted for 8 d and samples were generally taken daily for nutrient and plankton measurements. Turbulence increased the relative importance of phytoplankton to bacteria when nutrients were added, while in the control the effect of turbulence was negligible. Turbulence also influenced the species' composition and the size distribution of the phytoplankton community. The relative contribution of diatoms to total phytoplankton biomass and the average cell size were higher under turbulence, particularly in N and NP treatments. The results of these experiments indicate the importance of considering the hydrodynamic conditions in studies addressing competition for nutrients among different osmotrophic organisms in plankton communities.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/9044276" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="9dc96d7030592424f1ed33cec2aaffa8" rel="nofollow" data-download="{"attachment_id":35349809,"asset_id":9044276,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/35349809/download_file?st=MTc0MDg3MzI0Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="20418382" href="https://csic.academia.edu/FPeters">Francesc Peters</a><script data-card-contents-for-user="20418382" type="text/json">{"id":20418382,"first_name":"Francesc","last_name":"Peters","domain_name":"csic","page_name":"FPeters","display_name":"Francesc Peters","profile_url":"https://csic.academia.edu/FPeters?f_ri=30756","photo":"https://0.academia-photos.com/20418382/5666336/6446415/s65_francesc.peters.jpg"}</script></span></span></li><li class="js-paper-rank-work_9044276 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="9044276"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 9044276, container: ".js-paper-rank-work_9044276", }); });</script></li><li class="js-percentile-work_9044276 InlineList-item InlineList-item--bordered hidden u-tcGrayDark"><span class="percentile-widget hidden"><span class="u-mr2x percentile-widget" style="display: none">•</span><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 9044276; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_9044276"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_9044276 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="9044276"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 9044276; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=9044276]").text(description); $(".js-view-count-work_9044276").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_9044276").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="9044276"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">12</a>  </div><span class="InlineList-item-text u-textTruncate u-pl10x"><a class="InlineList-item-text" data-has-card-for-ri="159" rel="nofollow" href="https://www.academia.edu/Documents/in/Microbiology">Microbiology</a>, <script data-card-contents-for-ri="159" type="text/json">{"id":159,"name":"Microbiology","url":"https://www.academia.edu/Documents/in/Microbiology?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="2802" rel="nofollow" href="https://www.academia.edu/Documents/in/Turbulence">Turbulence</a>, <script data-card-contents-for-ri="2802" type="text/json">{"id":2802,"name":"Turbulence","url":"https://www.academia.edu/Documents/in/Turbulence?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="7094" rel="nofollow" href="https://www.academia.edu/Documents/in/Aquatic_Microbial_Ecology">Aquatic Microbial Ecology</a>, <script data-card-contents-for-ri="7094" type="text/json">{"id":7094,"name":"Aquatic Microbial Ecology","url":"https://www.academia.edu/Documents/in/Aquatic_Microbial_Ecology?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="9846" rel="nofollow" href="https://www.academia.edu/Documents/in/Ecology">Ecology</a><script data-card-contents-for-ri="9846" type="text/json">{"id":9846,"name":"Ecology","url":"https://www.academia.edu/Documents/in/Ecology?f_ri=30756","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=9044276]'), work: {"id":9044276,"title":"Combined effects of nutrients and small-scale turbulence in a microcosm experiment. I. Dynamics and size distribution of osmotrophic plankton","created_at":"2014-10-31T00:08:49.017-07:00","url":"https://www.academia.edu/9044276/Combined_effects_of_nutrients_and_small_scale_turbulence_in_a_microcosm_experiment_I_Dynamics_and_size_distribution_of_osmotrophic_plankton?f_ri=30756","dom_id":"work_9044276","summary":"The response of phytoplankton and bacteria dynamics to turbulence and nutrient availability interactions was studied in natural coastal waters enclosed in 15 l microcosms. The effect of turbulence was examined under 3 different nutrient-induced conditions: nitrogen surplus (N, with initial addition of an excess of nitrogen, N:P ratio = 160), nitrogen:phosphorus ratio balanced (NP, with initial addition of nitrogen and phosphorus as Redfield ratio, N:P ratio = 16) and control (C, no nutrient addition). Turbulence (ε = 0.055 cm 2 s -3 ) was generated by vertically oscillating grids. The experiment lasted for 8 d and samples were generally taken daily for nutrient and plankton measurements. Turbulence increased the relative importance of phytoplankton to bacteria when nutrients were added, while in the control the effect of turbulence was negligible. Turbulence also influenced the species' composition and the size distribution of the phytoplankton community. The relative contribution of diatoms to total phytoplankton biomass and the average cell size were higher under turbulence, particularly in N and NP treatments. The results of these experiments indicate the importance of considering the hydrodynamic conditions in studies addressing competition for nutrients among different osmotrophic organisms in plankton communities.","downloadable_attachments":[{"id":35349809,"asset_id":9044276,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":20418382,"first_name":"Francesc","last_name":"Peters","domain_name":"csic","page_name":"FPeters","display_name":"Francesc Peters","profile_url":"https://csic.academia.edu/FPeters?f_ri=30756","photo":"https://0.academia-photos.com/20418382/5666336/6446415/s65_francesc.peters.jpg"}],"research_interests":[{"id":159,"name":"Microbiology","url":"https://www.academia.edu/Documents/in/Microbiology?f_ri=30756","nofollow":true},{"id":2802,"name":"Turbulence","url":"https://www.academia.edu/Documents/in/Turbulence?f_ri=30756","nofollow":true},{"id":7094,"name":"Aquatic Microbial Ecology","url":"https://www.academia.edu/Documents/in/Aquatic_Microbial_Ecology?f_ri=30756","nofollow":true},{"id":9846,"name":"Ecology","url":"https://www.academia.edu/Documents/in/Ecology?f_ri=30756","nofollow":true},{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756"},{"id":53108,"name":"Phosphorus","url":"https://www.academia.edu/Documents/in/Phosphorus?f_ri=30756"},{"id":566559,"name":"Stoichiometry","url":"https://www.academia.edu/Documents/in/Stoichiometry?f_ri=30756"},{"id":593538,"name":"Microcosms","url":"https://www.academia.edu/Documents/in/Microcosms?f_ri=30756"},{"id":970387,"name":"Organic Matter","url":"https://www.academia.edu/Documents/in/Organic_Matter?f_ri=30756"},{"id":988053,"name":"Limiting Nutrients","url":"https://www.academia.edu/Documents/in/Limiting_Nutrients?f_ri=30756"},{"id":1031787,"name":"Phosphorus Uptake","url":"https://www.academia.edu/Documents/in/Phosphorus_Uptake?f_ri=30756"},{"id":1372501,"name":"Anisotropy of Small Scale Turbulence","url":"https://www.academia.edu/Documents/in/Anisotropy_of_Small_Scale_Turbulence?f_ri=30756"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_24167087" data-work_id="24167087" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/24167087/Is_there_a_convergence_of_deciduous_leaf_litter_stoichiometry_biochemistry_and_microbial_population_during_decay">Is there a convergence of deciduous leaf litter stoichiometry, biochemistry and microbial population during decay</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Litter decomposition is driven by saprotrophic microbial communities. The structure of this community varies over the course of decomposition, which has been linked to the chemistry of litter resources. Here, we test the hypothesis that... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_24167087" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Litter decomposition is driven by saprotrophic microbial communities. The structure of this community varies over the course of decomposition, which has been linked to the chemistry of litter resources. Here, we test the hypothesis that leaf litter from different tree species becomes more similar in terms of litter stoichiometry, C-biochemistry during the course of decomposition (convergence). We also test if these variations can be linked to shifts in microbial community structure and abundance. For this reason, leaf litter of four deciduous tree species — beech (Fagus sylvatica), oak (Quercus robur), alder (Alnus glutinosa) and ash (Fraxinus excelsior) were sampled from a temperate forest in February, May and September 2010. We measured variations in leaf litter stoichiometry by elemental concentrations, C-biochemistry with Fourier transform infrared (FTIR) spectroscopy and litter microbial community structure and abundance with phospholipid fatty acid (PLFA) analysis. For litter from beech, oak and ash, C:N and C:P ratio converged with time when exposed to the same environmental conditions during degradation. In contrast, C:nutrient ratios increased in alder litter over time. Litter C-biochemistry was to a large extent related to shifts in C:N ratios. Principal component analysis PCA of FTIR bands, revealed that divergence in C-biochemistry over the course of decomposition was dependent on litter type, and hence, with initial C:N ratio. Litter-decomposing bacterial community was highly relevant to C-biochemistry and environmental conditions (temperature and moisture) while fungi community was more nutrients-related. In conclusion, initially wide C:nutrient ratios tend to converge during decay; while nutrient limitation may lead to divergence of stoichiometry. In general, there was a trend towards divergence of C-biochemistry and microbial community structure.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/24167087" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="85e37651103d9b78b949fc6c79479149" rel="nofollow" data-download="{"attachment_id":44509523,"asset_id":24167087,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/44509523/download_file?st=MTc0MDg3MzI0Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="13410440" href="https://boku.academia.edu/KatharinaKeiblinger">Katharina M Keiblinger</a><script data-card-contents-for-user="13410440" type="text/json">{"id":13410440,"first_name":"Katharina","last_name":"Keiblinger","domain_name":"boku","page_name":"KatharinaKeiblinger","display_name":"Katharina M Keiblinger","profile_url":"https://boku.academia.edu/KatharinaKeiblinger?f_ri=30756","photo":"https://0.academia-photos.com/13410440/7620538/8552205/s65_katharina.keiblinger.jpg"}</script></span></span></li><li class="js-paper-rank-work_24167087 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="24167087"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 24167087, container: ".js-paper-rank-work_24167087", }); });</script></li><li class="js-percentile-work_24167087 InlineList-item InlineList-item--bordered hidden u-tcGrayDark"><span class="percentile-widget hidden"><span class="u-mr2x percentile-widget" style="display: none">•</span><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 24167087; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_24167087"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_24167087 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="24167087"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 24167087; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=24167087]").text(description); $(".js-view-count-work_24167087").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_24167087").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="24167087"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">3</a>  </div><span class="InlineList-item-text u-textTruncate u-pl9x"><a class="InlineList-item-text" data-has-card-for-ri="421" rel="nofollow" href="https://www.academia.edu/Documents/in/Soil_Science">Soil Science</a>, <script data-card-contents-for-ri="421" type="text/json">{"id":421,"name":"Soil Science","url":"https://www.academia.edu/Documents/in/Soil_Science?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="6414" rel="nofollow" href="https://www.academia.edu/Documents/in/Decomposition">Decomposition</a>, <script data-card-contents-for-ri="6414" type="text/json">{"id":6414,"name":"Decomposition","url":"https://www.academia.edu/Documents/in/Decomposition?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="30756" rel="nofollow" href="https://www.academia.edu/Documents/in/Ecological_Stoichiometry">Ecological Stoichiometry</a><script data-card-contents-for-ri="30756" type="text/json">{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=24167087]'), work: {"id":24167087,"title":"Is there a convergence of deciduous leaf litter stoichiometry, biochemistry and microbial population during decay","created_at":"2016-04-07T08:21:25.307-07:00","url":"https://www.academia.edu/24167087/Is_there_a_convergence_of_deciduous_leaf_litter_stoichiometry_biochemistry_and_microbial_population_during_decay?f_ri=30756","dom_id":"work_24167087","summary":"Litter decomposition is driven by saprotrophic microbial communities. The structure of this community varies over the course of decomposition, which has been linked to the chemistry of litter resources. Here, we test the hypothesis that leaf litter from different tree species becomes more similar in terms of litter stoichiometry, C-biochemistry during the course of decomposition (convergence). We also test if these variations can be linked to shifts in microbial community structure and abundance. For this reason, leaf litter of four deciduous tree species — beech (Fagus sylvatica), oak (Quercus robur), alder (Alnus glutinosa) and ash (Fraxinus excelsior) were sampled from a temperate forest in February, May and September 2010. We measured variations in leaf litter stoichiometry by elemental concentrations, C-biochemistry with Fourier transform infrared (FTIR) spectroscopy and litter microbial community structure and abundance with phospholipid fatty acid (PLFA) analysis. For litter from beech, oak and ash, C:N and C:P ratio converged with time when exposed to the same environmental conditions during degradation. In contrast, C:nutrient ratios increased in alder litter over time. Litter C-biochemistry was to a large extent related to shifts in C:N ratios. Principal component analysis PCA of FTIR bands, revealed that divergence in C-biochemistry over the course of decomposition was dependent on litter type, and hence, with initial C:N ratio. Litter-decomposing bacterial community was highly relevant to C-biochemistry and environmental conditions (temperature and moisture) while fungi community was more nutrients-related. In conclusion, initially wide C:nutrient ratios tend to converge during decay; while nutrient limitation may lead to divergence of stoichiometry. In general, there was a trend towards divergence of C-biochemistry and microbial community structure.","downloadable_attachments":[{"id":44509523,"asset_id":24167087,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":13410440,"first_name":"Katharina","last_name":"Keiblinger","domain_name":"boku","page_name":"KatharinaKeiblinger","display_name":"Katharina M Keiblinger","profile_url":"https://boku.academia.edu/KatharinaKeiblinger?f_ri=30756","photo":"https://0.academia-photos.com/13410440/7620538/8552205/s65_katharina.keiblinger.jpg"}],"research_interests":[{"id":421,"name":"Soil Science","url":"https://www.academia.edu/Documents/in/Soil_Science?f_ri=30756","nofollow":true},{"id":6414,"name":"Decomposition","url":"https://www.academia.edu/Documents/in/Decomposition?f_ri=30756","nofollow":true},{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_21304549" data-work_id="21304549" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/21304549/Nature_and_nurture_in_the_dynamics_of_C_N_and_P_during_litter_decomposition_in_Canadian_forests">Nature and nurture in the dynamics of C, N and P during litter decomposition in Canadian forests</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">We measured changes in carbon (C), nitrogen (N) and phosphorus (P) concentrations and mass of 10 foliar litters decomposing over 12 years at 21 sites across Canada, ranging from subarctic to temperate, to evaluate the influence of litter... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_21304549" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">We measured changes in carbon (C), nitrogen (N) and phosphorus (P) concentrations and mass of 10 foliar litters decomposing over 12 years at 21 sites across Canada, ranging from subarctic to temperate, to evaluate the influence of litter quality (nature) and forest floor (nurture) on N and P dynamics. Most litters lost P faster than N, relative to C, except in one litter which had a high initial C:P quotient (2,122). Net N loss occurred at mass C:N quotients of between 33 and 68, positively correlated with the C:N quotient in the original litter, and net P loss likely occurred at C:P quotients between 800 and 1,200. Forest floor properties also influenced N and P dynamics: the higher the C: N or C:P quotient in the surface soil organic matter, the smaller the proportion of initial N or P left in the decomposing litter, relative to C. There was a convergence of C:N and C:P quotients as the litters decomposed, with an overall mass ratio of 427:17:1 when the litters reached 20% original C remaining. These results, covering a wide range of sites and litters and thus decomposition rates, showed that the C:N:P quotients followed similar trajectories and converged as the litters decomposed. The relative loss of N and P was affected by both the initial litter nutrient concentration and the chemistry of the site forest floor, with the former being more important than the latter, resulting in spatial variations in nutrient content of the forest floor.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/21304549" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="ad6b71a5b9f377085ddde6bfe3a0b402" rel="nofollow" data-download="{"attachment_id":41807874,"asset_id":21304549,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/41807874/download_file?st=MTc0MDg3MzI0Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="25883201" href="https://ubc.academia.edu/CindyPrescott">Cindy Prescott</a><script data-card-contents-for-user="25883201" type="text/json">{"id":25883201,"first_name":"Cindy","last_name":"Prescott","domain_name":"ubc","page_name":"CindyPrescott","display_name":"Cindy Prescott","profile_url":"https://ubc.academia.edu/CindyPrescott?f_ri=30756","photo":"https://0.academia-photos.com/25883201/10578669/11807127/s65_cindy.prescott.jpg_oh_0b99e51a43fb5a195cb208f418bf5c14_oe_56b484f7"}</script></span></span></li><li class="js-paper-rank-work_21304549 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="21304549"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 21304549, container: ".js-paper-rank-work_21304549", }); });</script></li><li class="js-percentile-work_21304549 InlineList-item InlineList-item--bordered hidden u-tcGrayDark"><span class="percentile-widget hidden"><span class="u-mr2x percentile-widget" style="display: none">•</span><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 21304549; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_21304549"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_21304549 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="21304549"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 21304549; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=21304549]").text(description); $(".js-view-count-work_21304549").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_21304549").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="21304549"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">11</a>  </div><span class="InlineList-item-text u-textTruncate u-pl10x"><a class="InlineList-item-text" data-has-card-for-ri="30756" rel="nofollow" href="https://www.academia.edu/Documents/in/Ecological_Stoichiometry">Ecological Stoichiometry</a>, <script data-card-contents-for-ri="30756" type="text/json">{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="47884" rel="nofollow" href="https://www.academia.edu/Documents/in/Biological_Sciences">Biological Sciences</a>, <script data-card-contents-for-ri="47884" type="text/json">{"id":47884,"name":"Biological Sciences","url":"https://www.academia.edu/Documents/in/Biological_Sciences?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="53108" rel="nofollow" href="https://www.academia.edu/Documents/in/Phosphorus">Phosphorus</a>, <script data-card-contents-for-ri="53108" type="text/json">{"id":53108,"name":"Phosphorus","url":"https://www.academia.edu/Documents/in/Phosphorus?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="58054" rel="nofollow" href="https://www.academia.edu/Documents/in/Environmental_Sciences">Environmental Sciences</a><script data-card-contents-for-ri="58054" type="text/json">{"id":58054,"name":"Environmental Sciences","url":"https://www.academia.edu/Documents/in/Environmental_Sciences?f_ri=30756","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=21304549]'), work: {"id":21304549,"title":"Nature and nurture in the dynamics of C, N and P during litter decomposition in Canadian forests","created_at":"2016-01-31T07:45:40.978-08:00","url":"https://www.academia.edu/21304549/Nature_and_nurture_in_the_dynamics_of_C_N_and_P_during_litter_decomposition_in_Canadian_forests?f_ri=30756","dom_id":"work_21304549","summary":"We measured changes in carbon (C), nitrogen (N) and phosphorus (P) concentrations and mass of 10 foliar litters decomposing over 12 years at 21 sites across Canada, ranging from subarctic to temperate, to evaluate the influence of litter quality (nature) and forest floor (nurture) on N and P dynamics. Most litters lost P faster than N, relative to C, except in one litter which had a high initial C:P quotient (2,122). Net N loss occurred at mass C:N quotients of between 33 and 68, positively correlated with the C:N quotient in the original litter, and net P loss likely occurred at C:P quotients between 800 and 1,200. Forest floor properties also influenced N and P dynamics: the higher the C: N or C:P quotient in the surface soil organic matter, the smaller the proportion of initial N or P left in the decomposing litter, relative to C. There was a convergence of C:N and C:P quotients as the litters decomposed, with an overall mass ratio of 427:17:1 when the litters reached 20% original C remaining. These results, covering a wide range of sites and litters and thus decomposition rates, showed that the C:N:P quotients followed similar trajectories and converged as the litters decomposed. The relative loss of N and P was affected by both the initial litter nutrient concentration and the chemistry of the site forest floor, with the former being more important than the latter, resulting in spatial variations in nutrient content of the forest floor.","downloadable_attachments":[{"id":41807874,"asset_id":21304549,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":25883201,"first_name":"Cindy","last_name":"Prescott","domain_name":"ubc","page_name":"CindyPrescott","display_name":"Cindy Prescott","profile_url":"https://ubc.academia.edu/CindyPrescott?f_ri=30756","photo":"https://0.academia-photos.com/25883201/10578669/11807127/s65_cindy.prescott.jpg_oh_0b99e51a43fb5a195cb208f418bf5c14_oe_56b484f7"}],"research_interests":[{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true},{"id":47884,"name":"Biological Sciences","url":"https://www.academia.edu/Documents/in/Biological_Sciences?f_ri=30756","nofollow":true},{"id":53108,"name":"Phosphorus","url":"https://www.academia.edu/Documents/in/Phosphorus?f_ri=30756","nofollow":true},{"id":58054,"name":"Environmental Sciences","url":"https://www.academia.edu/Documents/in/Environmental_Sciences?f_ri=30756","nofollow":true},{"id":151091,"name":"Nitrogen","url":"https://www.academia.edu/Documents/in/Nitrogen?f_ri=30756"},{"id":154923,"name":"Nutrient Content","url":"https://www.academia.edu/Documents/in/Nutrient_Content?f_ri=30756"},{"id":173024,"name":"Litter quality","url":"https://www.academia.edu/Documents/in/Litter_quality?f_ri=30756"},{"id":173028,"name":"Soil organic matter","url":"https://www.academia.edu/Documents/in/Soil_organic_matter?f_ri=30756"},{"id":453368,"name":"Spatial Variation","url":"https://www.academia.edu/Documents/in/Spatial_Variation?f_ri=30756"},{"id":558317,"name":"Litter Decomposition","url":"https://www.academia.edu/Documents/in/Litter_Decomposition?f_ri=30756"},{"id":781390,"name":"Forest Floor","url":"https://www.academia.edu/Documents/in/Forest_Floor?f_ri=30756"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_17504672 coauthored" data-work_id="17504672" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/17504672/How_allometric_scaling_relates_to_soil_abiotics">How allometric scaling relates to soil abiotics</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">For most species, the logarithm of their average body mass is negatively related to the logarithm of their relative population density, i.e. the numerical abundance. In this way, the allometric scaling (both mass -abundance regressions... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_17504672" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">For most species, the logarithm of their average body mass is negatively related to the logarithm of their relative population density, i.e. the numerical abundance. In this way, the allometric scaling (both mass -abundance regressions and body -size spectra) becomes useful in ecological theory to build and explain food webs. Using empirical evidence derived from 145 Dutch sites, a hypothesis is formulated to explain how soil microbivores, detritivores and predators react to increasing resource availability. Shifts in size distribution, and subsequently changes in soil food-web structure, are further discussed in the perspective of Holling ' s sequential interactions between basic system functions. We show that the allometric scaling and the averages of the (log-transformed) prey:predator body-mass ratios are reliable predictors for assessing faunal responses to nutrient availability. We view this work as a fi rst attempt toward an extensive comparison of ecological processes in diff erent soil systems.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/17504672" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="cefda0f104f6d074a8aa3f29bd45a46e" rel="nofollow" data-download="{"attachment_id":39546905,"asset_id":17504672,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/39546905/download_file?st=MTc0MDg3MzI0Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="32802788" href="https://unico.academia.edu/ChristianMulder">Christian Mulder</a><script data-card-contents-for-user="32802788" type="text/json">{"id":32802788,"first_name":"Christian","last_name":"Mulder","domain_name":"unico","page_name":"ChristianMulder","display_name":"Christian Mulder","profile_url":"https://unico.academia.edu/ChristianMulder?f_ri=30756","photo":"https://0.academia-photos.com/32802788/10913429/12179048/s65_christian.mulder.jpg"}</script></span></span><span class="u-displayInlineBlock InlineList-item-text"> and <span class="u-textDecorationUnderline u-clickable InlineList-item-text js-work-more-authors-17504672">+1</span><div class="hidden js-additional-users-17504672"><div><span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a href="https://uva.academia.edu/JanArieVonk">Jan Arie Vonk</a></span></div></div></span><script>(function(){ var popoverSettings = { el: $('.js-work-more-authors-17504672'), placement: 'bottom', hide_delay: 200, html: true, content: function(){ return $('.js-additional-users-17504672').html(); } } new HoverPopover(popoverSettings); })();</script></li><li class="js-paper-rank-work_17504672 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="17504672"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 17504672, container: ".js-paper-rank-work_17504672", }); });</script></li><li class="js-percentile-work_17504672 InlineList-item InlineList-item--bordered hidden u-tcGrayDark"><span class="percentile-widget hidden"><span class="u-mr2x percentile-widget" style="display: none">•</span><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 17504672; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_17504672"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_17504672 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="17504672"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 17504672; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=17504672]").text(description); $(".js-view-count-work_17504672").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_17504672").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="17504672"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">3</a>  </div><span class="InlineList-item-text u-textTruncate u-pl9x"><a class="InlineList-item-text" data-has-card-for-ri="30756" rel="nofollow" href="https://www.academia.edu/Documents/in/Ecological_Stoichiometry">Ecological Stoichiometry</a>, <script data-card-contents-for-ri="30756" type="text/json">{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="56982" rel="nofollow" href="https://www.academia.edu/Documents/in/Metabolic_Flux_Analysis">Metabolic Flux Analysis</a>, <script data-card-contents-for-ri="56982" type="text/json">{"id":56982,"name":"Metabolic Flux Analysis","url":"https://www.academia.edu/Documents/in/Metabolic_Flux_Analysis?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="873923" rel="nofollow" href="https://www.academia.edu/Documents/in/Allometric_Scaling">Allometric Scaling</a><script data-card-contents-for-ri="873923" type="text/json">{"id":873923,"name":"Allometric Scaling","url":"https://www.academia.edu/Documents/in/Allometric_Scaling?f_ri=30756","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=17504672]'), work: {"id":17504672,"title":"How allometric scaling relates to soil abiotics","created_at":"2015-10-30T02:05:44.373-07:00","url":"https://www.academia.edu/17504672/How_allometric_scaling_relates_to_soil_abiotics?f_ri=30756","dom_id":"work_17504672","summary":"For most species, the logarithm of their average body mass is negatively related to the logarithm of their relative population density, i.e. the numerical abundance. In this way, the allometric scaling (both mass -abundance regressions and body -size spectra) becomes useful in ecological theory to build and explain food webs. Using empirical evidence derived from 145 Dutch sites, a hypothesis is formulated to explain how soil microbivores, detritivores and predators react to increasing resource availability. Shifts in size distribution, and subsequently changes in soil food-web structure, are further discussed in the perspective of Holling ' s sequential interactions between basic system functions. We show that the allometric scaling and the averages of the (log-transformed) prey:predator body-mass ratios are reliable predictors for assessing faunal responses to nutrient availability. We view this work as a fi rst attempt toward an extensive comparison of ecological processes in diff erent soil systems.","downloadable_attachments":[{"id":39546905,"asset_id":17504672,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":32802788,"first_name":"Christian","last_name":"Mulder","domain_name":"unico","page_name":"ChristianMulder","display_name":"Christian Mulder","profile_url":"https://unico.academia.edu/ChristianMulder?f_ri=30756","photo":"https://0.academia-photos.com/32802788/10913429/12179048/s65_christian.mulder.jpg"},{"id":39725305,"first_name":"Jan Arie","last_name":"Vonk","domain_name":"uva","page_name":"JanArieVonk","display_name":"Jan Arie Vonk","profile_url":"https://uva.academia.edu/JanArieVonk?f_ri=30756","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true},{"id":56982,"name":"Metabolic Flux Analysis","url":"https://www.academia.edu/Documents/in/Metabolic_Flux_Analysis?f_ri=30756","nofollow":true},{"id":873923,"name":"Allometric Scaling","url":"https://www.academia.edu/Documents/in/Allometric_Scaling?f_ri=30756","nofollow":true}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_12636407" data-work_id="12636407" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/12636407/Interaction_Effects_of_Light_Temperature_and_Nutrient_Limitations_N_P_and_Si_on_Growth_Stoichiometry_and_Photosynthetic_Parameters_of_the_Cold_Water_Diatom_Chaetoceros_wighamii">Interaction Effects of Light, Temperature and Nutrient Limitations (N, P and Si) on Growth, Stoichiometry and Photosynthetic Parameters of the Cold-Water Diatom Chaetoceros wighamii</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Light (20-450 μmol photons m-2 s-1), temperature (3-11°C) and inorganic nutrient composition (nutrient replete and N, P and Si limitation) were manipulated to study their combined influence on growth, stoichiometry (C:N:P:Chl a) and... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_12636407" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Light (20-450 μmol photons m-2 s-1), temperature (3-11°C) and inorganic nutrient composition<br />(nutrient replete and N, P and Si limitation) were manipulated to study their combined influence<br />on growth, stoichiometry (C:N:P:Chl a) and primary production of the cold water<br />diatom Chaetoceros wighamii. During exponential growth, the maximum growth rate (~0.8<br />d-1) was observed at high temperture and light; at 3°C the growth rate was ~30% lower<br />under similar light conditions. The interaction effect of light and temperature were clearly visible<br />from growth and cellular stoichiometry. The average C:N:P molar ratio was 80:13:1 during<br />exponential growth, but the range, due to different light acclimation, was widest at the<br />lowest temperature, reaching very low C:P (~50) and N:P ratios (~8) at low light and temperature.<br />The C:Chl a ratio had also a wider range at the lowest temperature during exponential<br />growth, ranging 16-48 (weight ratio) at 3°C compared with 17-33 at 11°C. During exponential<br />growth, there was no clear trend in the Chl a normalized, initial slope (α*) of the photosynthesis-<br />irradiance (PE) curve, but the maximum photosynthetic production (Pm) was highest for<br />cultures acclimated to the highest light and temperature. During the stationary growth<br />phase, the stoichiometric relationship depended on the limiting nutrient, but with generally increasing<br />C:N:P ratio. The average photosynthetic quotient (PQ) during exponential growth<br />was 1.26 but decreased to <1 under nutrient and light limitation, probably due to photorespiration.<br />The results clearly demonstrate that there are interaction effects between light, temperature<br />and nutrient limitation, and the data suggests greater variability of key parameters<br />at low temperature. Understanding these dynamics will be important for improving models of<br />aquatic primary production and biogeochemical cycles in a warming climate.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/12636407" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="7d8bf1a54eef5dca6959b39d3bb7e89a" rel="nofollow" data-download="{"attachment_id":37754801,"asset_id":12636407,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/37754801/download_file?st=MTc0MDg3MzI0Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="4098796" href="https://environment.academia.edu/KristianSpilling">Kristian Spilling</a><script data-card-contents-for-user="4098796" type="text/json">{"id":4098796,"first_name":"Kristian","last_name":"Spilling","domain_name":"environment","page_name":"KristianSpilling","display_name":"Kristian Spilling","profile_url":"https://environment.academia.edu/KristianSpilling?f_ri=30756","photo":"https://0.academia-photos.com/4098796/1581222/1913855/s65_kristian.spilling.jpg"}</script></span></span></li><li class="js-paper-rank-work_12636407 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="12636407"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 12636407, container: ".js-paper-rank-work_12636407", }); 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$(".js-view-count[data-work-id=12636407]").text(description); $(".js-view-count-work_12636407").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_12636407").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="12636407"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">5</a>  </div><span class="InlineList-item-text u-textTruncate u-pl9x"><a class="InlineList-item-text" data-has-card-for-ri="4035" rel="nofollow" href="https://www.academia.edu/Documents/in/Marine_Ecology">Marine Ecology</a>, <script data-card-contents-for-ri="4035" type="text/json">{"id":4035,"name":"Marine Ecology","url":"https://www.academia.edu/Documents/in/Marine_Ecology?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="5345" rel="nofollow" href="https://www.academia.edu/Documents/in/Photosynthesis">Photosynthesis</a>, <script data-card-contents-for-ri="5345" type="text/json">{"id":5345,"name":"Photosynthesis","url":"https://www.academia.edu/Documents/in/Photosynthesis?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="23491" rel="nofollow" href="https://www.academia.edu/Documents/in/Diatoms">Diatoms</a>, <script data-card-contents-for-ri="23491" type="text/json">{"id":23491,"name":"Diatoms","url":"https://www.academia.edu/Documents/in/Diatoms?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="24638" rel="nofollow" href="https://www.academia.edu/Documents/in/Marine_Biogeochemistry">Marine Biogeochemistry</a><script data-card-contents-for-ri="24638" type="text/json">{"id":24638,"name":"Marine Biogeochemistry","url":"https://www.academia.edu/Documents/in/Marine_Biogeochemistry?f_ri=30756","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=12636407]'), work: {"id":12636407,"title":"Interaction Effects of Light, Temperature and Nutrient Limitations (N, P and Si) on Growth, Stoichiometry and Photosynthetic Parameters of the Cold-Water Diatom Chaetoceros wighamii","created_at":"2015-05-27T13:39:24.663-07:00","url":"https://www.academia.edu/12636407/Interaction_Effects_of_Light_Temperature_and_Nutrient_Limitations_N_P_and_Si_on_Growth_Stoichiometry_and_Photosynthetic_Parameters_of_the_Cold_Water_Diatom_Chaetoceros_wighamii?f_ri=30756","dom_id":"work_12636407","summary":"Light (20-450 μmol photons m-2 s-1), temperature (3-11°C) and inorganic nutrient composition\n(nutrient replete and N, P and Si limitation) were manipulated to study their combined influence\non growth, stoichiometry (C:N:P:Chl a) and primary production of the cold water\ndiatom Chaetoceros wighamii. During exponential growth, the maximum growth rate (~0.8\nd-1) was observed at high temperture and light; at 3°C the growth rate was ~30% lower\nunder similar light conditions. The interaction effect of light and temperature were clearly visible\nfrom growth and cellular stoichiometry. The average C:N:P molar ratio was 80:13:1 during\nexponential growth, but the range, due to different light acclimation, was widest at the\nlowest temperature, reaching very low C:P (~50) and N:P ratios (~8) at low light and temperature.\nThe C:Chl a ratio had also a wider range at the lowest temperature during exponential\ngrowth, ranging 16-48 (weight ratio) at 3°C compared with 17-33 at 11°C. During exponential\ngrowth, there was no clear trend in the Chl a normalized, initial slope (α*) of the photosynthesis-\nirradiance (PE) curve, but the maximum photosynthetic production (Pm) was highest for\ncultures acclimated to the highest light and temperature. During the stationary growth\nphase, the stoichiometric relationship depended on the limiting nutrient, but with generally increasing\nC:N:P ratio. The average photosynthetic quotient (PQ) during exponential growth\nwas 1.26 but decreased to \u003c1 under nutrient and light limitation, probably due to photorespiration.\nThe results clearly demonstrate that there are interaction effects between light, temperature\nand nutrient limitation, and the data suggests greater variability of key parameters\nat low temperature. Understanding these dynamics will be important for improving models of\naquatic primary production and biogeochemical cycles in a warming climate.","downloadable_attachments":[{"id":37754801,"asset_id":12636407,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":4098796,"first_name":"Kristian","last_name":"Spilling","domain_name":"environment","page_name":"KristianSpilling","display_name":"Kristian Spilling","profile_url":"https://environment.academia.edu/KristianSpilling?f_ri=30756","photo":"https://0.academia-photos.com/4098796/1581222/1913855/s65_kristian.spilling.jpg"}],"research_interests":[{"id":4035,"name":"Marine Ecology","url":"https://www.academia.edu/Documents/in/Marine_Ecology?f_ri=30756","nofollow":true},{"id":5345,"name":"Photosynthesis","url":"https://www.academia.edu/Documents/in/Photosynthesis?f_ri=30756","nofollow":true},{"id":23491,"name":"Diatoms","url":"https://www.academia.edu/Documents/in/Diatoms?f_ri=30756","nofollow":true},{"id":24638,"name":"Marine Biogeochemistry","url":"https://www.academia.edu/Documents/in/Marine_Biogeochemistry?f_ri=30756","nofollow":true},{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_76553293" data-work_id="76553293" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/76553293/Diet_predicts_intestine_length_in_Lake_Tanganyika%C3%A2_s_cichlid_fishes">Diet predicts intestine length in Lake Tanganyikaâs cichlid fishes</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">1. Among vertebrates, herbivores have longer digestive tracts than animals at higher trophic levels, a pattern thought to reflect a trade-off between digestive efficiency and tissue maintenance costs. However, phylogenetic influences on... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_76553293" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">1. Among vertebrates, herbivores have longer digestive tracts than animals at higher trophic levels, a pattern thought to reflect a trade-off between digestive efficiency and tissue maintenance costs. However, phylogenetic influences on this pattern have rarely been considered. Taxa that have undergone diversification accompanied by dietary shifts provide a powerful opportunity to examine the relationship between diet and intestine length while accounting for phylogeny. 2. In this paper we assess the relationship between diet and intestine length in the cichlid fishes of Lake Tanganyika, which are renowned for their diversity of species and trophic strategies. 3. First, we test the effect of trophic position on intestine length across 32 species, while controlling for phylogeny. Trophic position was inferred from nitrogen stable isotopes, which provide a temporally integrated, quantitative perspective on the complex diets of tropical fish. Second, we examine patterns of intraspecific variation in intestine length of an algivorous cichlid (Tropheus brichardi) along a natural spatial gradient in algal nitrogen content. 4. Trophic position explains 51% of size-standardized variation in intestine length after accounting for phylogeny. Accounting for phylogeny does not substantially alter the relationship between trophic position and intestine length, despite the existence of phylogenetic signal in both traits. Thus, diet is a strong predictor of variation at the interspecific level. 5. There is a striking inverse relationship between intestine length and algal nutrient content among populations of T. brichardi, suggesting substantial plasticity in response to food quality, and thus a strong dietary influence on patterns of intraspecific variation. 6. Diet is a strong predictor of intestine length at both intra-and interspecific scales, indicating that fish adjust their phenotype to balance nutritional needs against energetic costs. Furthermore, functional explanations for trophic diversification of cichlid fishes in the African Great Lakes have long focused on jaw structures, but our results indicate that intestinal plasticity in response to diet quality may also be an important mechanism for accommodating trophic shifts during evolutionary radiations.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/76553293" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="850eb88227087d99f71d974881bd3d2b" rel="nofollow" data-download="{"attachment_id":84226969,"asset_id":76553293,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/84226969/download_file?st=MTc0MDg3MzI0Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="4903287" href="https://nhm.academia.edu/EllinorMichel">Ellinor Michel</a><script data-card-contents-for-user="4903287" type="text/json">{"id":4903287,"first_name":"Ellinor","last_name":"Michel","domain_name":"nhm","page_name":"EllinorMichel","display_name":"Ellinor Michel","profile_url":"https://nhm.academia.edu/EllinorMichel?f_ri=30756","photo":"https://0.academia-photos.com/4903287/2445701/2895447/s65_ellinor.michel.jpg"}</script></span></span></li><li class="js-paper-rank-work_76553293 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="76553293"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 76553293, container: ".js-paper-rank-work_76553293", }); 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$(".js-view-count[data-work-id=76553293]").text(description); $(".js-view-count-work_76553293").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_76553293").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="76553293"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">11</a>  </div><span class="InlineList-item-text u-textTruncate u-pl10x"><a class="InlineList-item-text" data-has-card-for-ri="7710" rel="nofollow" href="https://www.academia.edu/Documents/in/Biology">Biology</a>, <script data-card-contents-for-ri="7710" type="text/json">{"id":7710,"name":"Biology","url":"https://www.academia.edu/Documents/in/Biology?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="8340" rel="nofollow" href="https://www.academia.edu/Documents/in/Functional_Ecology">Functional Ecology</a>, <script data-card-contents-for-ri="8340" type="text/json">{"id":8340,"name":"Functional Ecology","url":"https://www.academia.edu/Documents/in/Functional_Ecology?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="21071" rel="nofollow" href="https://www.academia.edu/Documents/in/Phenotypic_Plasticity">Phenotypic Plasticity</a>, <script data-card-contents-for-ri="21071" type="text/json">{"id":21071,"name":"Phenotypic Plasticity","url":"https://www.academia.edu/Documents/in/Phenotypic_Plasticity?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="30756" rel="nofollow" href="https://www.academia.edu/Documents/in/Ecological_Stoichiometry">Ecological Stoichiometry</a><script data-card-contents-for-ri="30756" type="text/json">{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=76553293]'), work: {"id":76553293,"title":"Diet predicts intestine length in Lake Tanganyikaâs cichlid fishes","created_at":"2022-04-15T13:47:33.698-07:00","url":"https://www.academia.edu/76553293/Diet_predicts_intestine_length_in_Lake_Tanganyika%C3%A2_s_cichlid_fishes?f_ri=30756","dom_id":"work_76553293","summary":"1. Among vertebrates, herbivores have longer digestive tracts than animals at higher trophic levels, a pattern thought to reflect a trade-off between digestive efficiency and tissue maintenance costs. However, phylogenetic influences on this pattern have rarely been considered. Taxa that have undergone diversification accompanied by dietary shifts provide a powerful opportunity to examine the relationship between diet and intestine length while accounting for phylogeny. 2. In this paper we assess the relationship between diet and intestine length in the cichlid fishes of Lake Tanganyika, which are renowned for their diversity of species and trophic strategies. 3. First, we test the effect of trophic position on intestine length across 32 species, while controlling for phylogeny. Trophic position was inferred from nitrogen stable isotopes, which provide a temporally integrated, quantitative perspective on the complex diets of tropical fish. Second, we examine patterns of intraspecific variation in intestine length of an algivorous cichlid (Tropheus brichardi) along a natural spatial gradient in algal nitrogen content. 4. Trophic position explains 51% of size-standardized variation in intestine length after accounting for phylogeny. Accounting for phylogeny does not substantially alter the relationship between trophic position and intestine length, despite the existence of phylogenetic signal in both traits. Thus, diet is a strong predictor of variation at the interspecific level. 5. There is a striking inverse relationship between intestine length and algal nutrient content among populations of T. brichardi, suggesting substantial plasticity in response to food quality, and thus a strong dietary influence on patterns of intraspecific variation. 6. Diet is a strong predictor of intestine length at both intra-and interspecific scales, indicating that fish adjust their phenotype to balance nutritional needs against energetic costs. Furthermore, functional explanations for trophic diversification of cichlid fishes in the African Great Lakes have long focused on jaw structures, but our results indicate that intestinal plasticity in response to diet quality may also be an important mechanism for accommodating trophic shifts during evolutionary radiations.","downloadable_attachments":[{"id":84226969,"asset_id":76553293,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":4903287,"first_name":"Ellinor","last_name":"Michel","domain_name":"nhm","page_name":"EllinorMichel","display_name":"Ellinor Michel","profile_url":"https://nhm.academia.edu/EllinorMichel?f_ri=30756","photo":"https://0.academia-photos.com/4903287/2445701/2895447/s65_ellinor.michel.jpg"}],"research_interests":[{"id":7710,"name":"Biology","url":"https://www.academia.edu/Documents/in/Biology?f_ri=30756","nofollow":true},{"id":8340,"name":"Functional Ecology","url":"https://www.academia.edu/Documents/in/Functional_Ecology?f_ri=30756","nofollow":true},{"id":21071,"name":"Phenotypic Plasticity","url":"https://www.academia.edu/Documents/in/Phenotypic_Plasticity?f_ri=30756","nofollow":true},{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true},{"id":47884,"name":"Biological Sciences","url":"https://www.academia.edu/Documents/in/Biological_Sciences?f_ri=30756"},{"id":58054,"name":"Environmental Sciences","url":"https://www.academia.edu/Documents/in/Environmental_Sciences?f_ri=30756"},{"id":60960,"name":"Adaptive Radiation","url":"https://www.academia.edu/Documents/in/Adaptive_Radiation?f_ri=30756"},{"id":91257,"name":"Stable Isotope","url":"https://www.academia.edu/Documents/in/Stable_Isotope?f_ri=30756"},{"id":98508,"name":"Food Quality","url":"https://www.academia.edu/Documents/in/Food_Quality?f_ri=30756"},{"id":152553,"name":"Comparative Analysis","url":"https://www.academia.edu/Documents/in/Comparative_Analysis?f_ri=30756"},{"id":425268,"name":"Functional","url":"https://www.academia.edu/Documents/in/Functional?f_ri=30756"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_61387292" data-work_id="61387292" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/61387292/Food_web_structure_and_functioning_of_temperate_and_tropical_lakes_A_stoichiometric_viewpoint">Food-web structure and functioning of temperate and tropical lakes: A stoichiometric viewpoint</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Difficulties to simply transfer trophic cascade theory from temperate to tropical lakes are now well recognized. Many mechanisms trying to explain top-down divergences between these systems have been proposed, such as lack of key species... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_61387292" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Difficulties to simply transfer trophic cascade theory from temperate to tropical lakes are now well recognized. Many mechanisms trying to explain top-down divergences between these systems have been proposed, such as lack of key species of herbivorous zooplankton, absence of seasonality in fish reproduction, cyanobacteria development, or differences in fish foraging behaviour. Very few studies have considered bottom-up mechanisms, in particular differences in nutrient recycling and nutrient limitation between the two types of ecosystems. According to the ecological stoichiometry theory, fish-induced alterations of food-web structure could modify the efficiency of consumer-driven nutrient recycling by changing the relative biomass contribution of species in food webs. Consequently, by mostly considering top-down processes, one could underestimate consequences on nutrient availability for phytoplankton growth. In this paper, we compared the results of two mesocosm experiments carried out in temperate and tropical areas, each manipulating foodweb structure via the presence or absence of fish. We found trophic cascades in both experiments, but differences between fishless and fish treatments were greater in temperate than in tropical systems. In the tropical experiment, the observed effects could not be supported by classical zooplankton community alteration or by cyanobacteria prevalence. Our results suggest a key contribution of fish nitrogen-excretion to phytoplankton growth in mostly nitrogen-limited tropical systems. Differences in stoichiometric response to food-web structure alteration between temperate and tropical lakes could thus represent a major difference between the two systems. Our study stresses the need for further studies that would allow robust generalization on the functioning of freshwater temperate and tropical ecosystems.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/61387292" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="b6d9733f338a3f59f385ec8537f8b33d" rel="nofollow" data-download="{"attachment_id":74432840,"asset_id":61387292,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/74432840/download_file?st=MTc0MDg3MzI0Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="174175891" href="https://independent.academia.edu/elhadjimouhamadoufadiloumbackendour">el hadji mouhamadou fadilou mbacke ndour</a><script data-card-contents-for-user="174175891" type="text/json">{"id":174175891,"first_name":"el hadji mouhamadou fadilou mbacke","last_name":"ndour","domain_name":"independent","page_name":"elhadjimouhamadoufadiloumbackendour","display_name":"el hadji mouhamadou fadilou mbacke ndour","profile_url":"https://independent.academia.edu/elhadjimouhamadoufadiloumbackendour?f_ri=30756","photo":"https://gravatar.com/avatar/64218c7f78856363fed79febc37dab03?s=65"}</script></span></span></li><li class="js-paper-rank-work_61387292 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="61387292"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 61387292, container: ".js-paper-rank-work_61387292", }); });</script></li><li class="js-percentile-work_61387292 InlineList-item InlineList-item--bordered hidden u-tcGrayDark"><span class="percentile-widget hidden"><span class="u-mr2x percentile-widget" style="display: none">•</span><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 61387292; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_61387292"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_61387292 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="61387292"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 61387292; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=61387292]").text(description); $(".js-view-count-work_61387292").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_61387292").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="61387292"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">15</a>  </div><span class="InlineList-item-text u-textTruncate u-pl10x"><a class="InlineList-item-text" data-has-card-for-ri="1999" rel="nofollow" href="https://www.academia.edu/Documents/in/Limnology">Limnology</a>, <script data-card-contents-for-ri="1999" type="text/json">{"id":1999,"name":"Limnology","url":"https://www.academia.edu/Documents/in/Limnology?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="5645" rel="nofollow" href="https://www.academia.edu/Documents/in/Recycling">Recycling</a>, <script data-card-contents-for-ri="5645" type="text/json">{"id":5645,"name":"Recycling","url":"https://www.academia.edu/Documents/in/Recycling?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="9846" rel="nofollow" href="https://www.academia.edu/Documents/in/Ecology">Ecology</a>, <script data-card-contents-for-ri="9846" type="text/json">{"id":9846,"name":"Ecology","url":"https://www.academia.edu/Documents/in/Ecology?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="30756" rel="nofollow" href="https://www.academia.edu/Documents/in/Ecological_Stoichiometry">Ecological Stoichiometry</a><script data-card-contents-for-ri="30756" type="text/json">{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=61387292]'), work: {"id":61387292,"title":"Food-web structure and functioning of temperate and tropical lakes: A stoichiometric viewpoint","created_at":"2021-11-09T02:44:22.730-08:00","url":"https://www.academia.edu/61387292/Food_web_structure_and_functioning_of_temperate_and_tropical_lakes_A_stoichiometric_viewpoint?f_ri=30756","dom_id":"work_61387292","summary":"Difficulties to simply transfer trophic cascade theory from temperate to tropical lakes are now well recognized. Many mechanisms trying to explain top-down divergences between these systems have been proposed, such as lack of key species of herbivorous zooplankton, absence of seasonality in fish reproduction, cyanobacteria development, or differences in fish foraging behaviour. Very few studies have considered bottom-up mechanisms, in particular differences in nutrient recycling and nutrient limitation between the two types of ecosystems. According to the ecological stoichiometry theory, fish-induced alterations of food-web structure could modify the efficiency of consumer-driven nutrient recycling by changing the relative biomass contribution of species in food webs. Consequently, by mostly considering top-down processes, one could underestimate consequences on nutrient availability for phytoplankton growth. In this paper, we compared the results of two mesocosm experiments carried out in temperate and tropical areas, each manipulating foodweb structure via the presence or absence of fish. We found trophic cascades in both experiments, but differences between fishless and fish treatments were greater in temperate than in tropical systems. In the tropical experiment, the observed effects could not be supported by classical zooplankton community alteration or by cyanobacteria prevalence. Our results suggest a key contribution of fish nitrogen-excretion to phytoplankton growth in mostly nitrogen-limited tropical systems. Differences in stoichiometric response to food-web structure alteration between temperate and tropical lakes could thus represent a major difference between the two systems. Our study stresses the need for further studies that would allow robust generalization on the functioning of freshwater temperate and tropical ecosystems.","downloadable_attachments":[{"id":74432840,"asset_id":61387292,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":174175891,"first_name":"el hadji mouhamadou fadilou mbacke","last_name":"ndour","domain_name":"independent","page_name":"elhadjimouhamadoufadiloumbackendour","display_name":"el hadji mouhamadou fadilou mbacke ndour","profile_url":"https://independent.academia.edu/elhadjimouhamadoufadiloumbackendour?f_ri=30756","photo":"https://gravatar.com/avatar/64218c7f78856363fed79febc37dab03?s=65"}],"research_interests":[{"id":1999,"name":"Limnology","url":"https://www.academia.edu/Documents/in/Limnology?f_ri=30756","nofollow":true},{"id":5645,"name":"Recycling","url":"https://www.academia.edu/Documents/in/Recycling?f_ri=30756","nofollow":true},{"id":9846,"name":"Ecology","url":"https://www.academia.edu/Documents/in/Ecology?f_ri=30756","nofollow":true},{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true},{"id":82682,"name":"Food web","url":"https://www.academia.edu/Documents/in/Food_web?f_ri=30756"},{"id":132277,"name":"Trophic Cascade","url":"https://www.academia.edu/Documents/in/Trophic_Cascade?f_ri=30756"},{"id":244969,"name":"Nutrient","url":"https://www.academia.edu/Documents/in/Nutrient?f_ri=30756"},{"id":291615,"name":"Trophic Cascades","url":"https://www.academia.edu/Documents/in/Trophic_Cascades?f_ri=30756"},{"id":565140,"name":"Nutrient recycling from waste water","url":"https://www.academia.edu/Documents/in/Nutrient_recycling_from_waste_water?f_ri=30756"},{"id":566559,"name":"Stoichiometry","url":"https://www.academia.edu/Documents/in/Stoichiometry?f_ri=30756"},{"id":608948,"name":"Tropical","url":"https://www.academia.edu/Documents/in/Tropical?f_ri=30756"},{"id":735666,"name":"Lac","url":"https://www.academia.edu/Documents/in/Lac?f_ri=30756"},{"id":1660211,"name":"Food Web structure","url":"https://www.academia.edu/Documents/in/Food_Web_structure?f_ri=30756"},{"id":2716094,"name":"Omnivore","url":"https://www.academia.edu/Documents/in/Omnivore?f_ri=30756"},{"id":3510160,"name":"Tropical Zone","url":"https://www.academia.edu/Documents/in/Tropical_Zone?f_ri=30756"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_47820029" data-work_id="47820029" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/47820029/Threshold_elemental_ratios_for_carbon_versus_phosphorus_limitation_in_Daphnia">Threshold elemental ratios for carbon versus phosphorus limitation in Daphnia</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">1. The transition from carbon (C) to phosphorus (P) limited growth in Daphnia depends not only on the C : P ratio in seston, i.e. food quality, but also on food quantity. Carbon is commonly believed to be limiting at low food because of... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_47820029" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">1. The transition from carbon (C) to phosphorus (P) limited growth in Daphnia depends not only on the C : P ratio in seston, i.e. food quality, but also on food quantity. Carbon is commonly believed to be limiting at low food because of the energetic demands of basal metabolism. The critical C : P ratio in seston (otherwise known as the threshold elemental ratio, TER) above which P is limiting would then be high when food is scarce. 2. A new model that differentiates between the C : P requirements for growth and maintenance is presented that includes terms for both C and P in basal metabolism. At low food the calculated TERs for Daphnia of around 230 are only slightly higher than values of 200 or so at high intake. Seston C : P often exceeds 230, particularly in oligotrophic lakes where phytoplankton concentration is low and detritus dominates the diet, indicating the potential for limitation by P. 3. The analysis highlights the importance of P, as well as C, in maintenance metabolism and the overall metabolic budget, such that food quality is of importance even when intake is low. Further measurements of C and P metabolism at low food, in particular basal respiration and excretion rates, are needed in order to improve our understanding of the interacting roles of food quantity and quality in zooplankton nutrition.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/47820029" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="57d21748d2c62ad39b615a202a435318" rel="nofollow" data-download="{"attachment_id":66745421,"asset_id":47820029,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/66745421/download_file?st=MTc0MDg3MzI0Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="33803645" href="https://uio.academia.edu/DagHessen">Dag Hessen</a><script data-card-contents-for-user="33803645" type="text/json">{"id":33803645,"first_name":"Dag","last_name":"Hessen","domain_name":"uio","page_name":"DagHessen","display_name":"Dag Hessen","profile_url":"https://uio.academia.edu/DagHessen?f_ri=30756","photo":"https://0.academia-photos.com/33803645/20296562/19999101/s65_dag.hessen.jpg"}</script></span></span></li><li class="js-paper-rank-work_47820029 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="47820029"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 47820029, container: ".js-paper-rank-work_47820029", }); 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The transition from carbon (C) to phosphorus (P) limited growth in Daphnia depends not only on the C : P ratio in seston, i.e. food quality, but also on food quantity. Carbon is commonly believed to be limiting at low food because of the energetic demands of basal metabolism. The critical C : P ratio in seston (otherwise known as the threshold elemental ratio, TER) above which P is limiting would then be high when food is scarce. 2. A new model that differentiates between the C : P requirements for growth and maintenance is presented that includes terms for both C and P in basal metabolism. At low food the calculated TERs for Daphnia of around 230 are only slightly higher than values of 200 or so at high intake. Seston C : P often exceeds 230, particularly in oligotrophic lakes where phytoplankton concentration is low and detritus dominates the diet, indicating the potential for limitation by P. 3. The analysis highlights the importance of P, as well as C, in maintenance metabolism and the overall metabolic budget, such that food quality is of importance even when intake is low. Further measurements of C and P metabolism at low food, in particular basal respiration and excretion rates, are needed in order to improve our understanding of the interacting roles of food quantity and quality in zooplankton nutrition.","downloadable_attachments":[{"id":66745421,"asset_id":47820029,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":33803645,"first_name":"Dag","last_name":"Hessen","domain_name":"uio","page_name":"DagHessen","display_name":"Dag Hessen","profile_url":"https://uio.academia.edu/DagHessen?f_ri=30756","photo":"https://0.academia-photos.com/33803645/20296562/19999101/s65_dag.hessen.jpg"}],"research_interests":[{"id":1907,"name":"Nutrition","url":"https://www.academia.edu/Documents/in/Nutrition?f_ri=30756","nofollow":true},{"id":5303,"name":"Carbon","url":"https://www.academia.edu/Documents/in/Carbon?f_ri=30756","nofollow":true},{"id":7049,"name":"Crustacea","url":"https://www.academia.edu/Documents/in/Crustacea?f_ri=30756","nofollow":true},{"id":7080,"name":"Freshwater Biology","url":"https://www.academia.edu/Documents/in/Freshwater_Biology?f_ri=30756","nofollow":true},{"id":9846,"name":"Ecology","url":"https://www.academia.edu/Documents/in/Ecology?f_ri=30756"},{"id":11872,"name":"Hydrobiology","url":"https://www.academia.edu/Documents/in/Hydrobiology?f_ri=30756"},{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756"},{"id":47884,"name":"Biological Sciences","url":"https://www.academia.edu/Documents/in/Biological_Sciences?f_ri=30756"},{"id":53108,"name":"Phosphorus","url":"https://www.academia.edu/Documents/in/Phosphorus?f_ri=30756"},{"id":58054,"name":"Environmental Sciences","url":"https://www.academia.edu/Documents/in/Environmental_Sciences?f_ri=30756"},{"id":187216,"name":"Zooplankton","url":"https://www.academia.edu/Documents/in/Zooplankton?f_ri=30756"},{"id":566559,"name":"Stoichiometry","url":"https://www.academia.edu/Documents/in/Stoichiometry?f_ri=30756"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_43992460" data-work_id="43992460" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/43992460/Geometric_Stoichiometry_unifying_concepts_of_animal_nutrition_to_understand_how_protein_rich_diets_can_be_too_much_of_a_good_thing_">Geometric Stoichiometry: unifying concepts of animal nutrition to understand how protein-rich diets can be "too much of a good thing"</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Understanding the factors that control the growth of heterotrophic organisms is central to predicting food web interactions and biogeochemical cycling within ecosystems. We present a new framework, Geometric Stoichiometry (GS), that... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_43992460" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Understanding the factors that control the growth of heterotrophic organisms is central to predicting food web interactions and biogeochemical cycling within ecosystems. We present a new framework, Geometric Stoichiometry (GS), that unifies the disciplines of Nutritional Geometry (NG) and Ecological Stoichiometry (ES) by extending the equations of ES to incorporate core NG concepts, including macromolecules as currencies and the ability of animals to select foods that balance deficits and excesses of nutrients. The resulting model is used to investigate regulation of consumer growth by dietary protein:carbohydrate ratio. Growth on protein-poor diets is limited by nitrogen. Likewise, we show that growth is also diminished on protein-rich diets and that this can be mechanistically explained by means of a metabolic penalty that arises when animals use protein for energy generation. These penalties, which are incurred when dealing with the costs of producing and excreting toxic nitrogenous waste, have not hitherto been represented in standard ES theory. In order to incorporate GS within ecosystem and biogeochemical models, a new generation of integrated theoretical and experimental studies based on unified concepts of NG and ES is needed, including measurements of food selection, biomass, growth and associated physiology, and involving metabolic penalties.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/43992460" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="edf92fedf593a8710dc3c9bfc23aad77" rel="nofollow" data-download="{"attachment_id":64323917,"asset_id":43992460,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/64323917/download_file?st=MTc0MDg3MzI0Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="10107955" href="https://au.academia.edu/KimJensen">Kim Jensen</a><script data-card-contents-for-user="10107955" type="text/json">{"id":10107955,"first_name":"Kim","last_name":"Jensen","domain_name":"au","page_name":"KimJensen","display_name":"Kim Jensen","profile_url":"https://au.academia.edu/KimJensen?f_ri=30756","photo":"https://0.academia-photos.com/10107955/3114118/4117042/s65_kim.jensen.jpg"}</script></span></span></li><li class="js-paper-rank-work_43992460 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="43992460"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 43992460, container: ".js-paper-rank-work_43992460", }); 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We present a new framework, Geometric Stoichiometry (GS), that unifies the disciplines of Nutritional Geometry (NG) and Ecological Stoichiometry (ES) by extending the equations of ES to incorporate core NG concepts, including macromolecules as currencies and the ability of animals to select foods that balance deficits and excesses of nutrients. The resulting model is used to investigate regulation of consumer growth by dietary protein:carbohydrate ratio. Growth on protein-poor diets is limited by nitrogen. Likewise, we show that growth is also diminished on protein-rich diets and that this can be mechanistically explained by means of a metabolic penalty that arises when animals use protein for energy generation. These penalties, which are incurred when dealing with the costs of producing and excreting toxic nitrogenous waste, have not hitherto been represented in standard ES theory. In order to incorporate GS within ecosystem and biogeochemical models, a new generation of integrated theoretical and experimental studies based on unified concepts of NG and ES is needed, including measurements of food selection, biomass, growth and associated physiology, and involving metabolic penalties.","downloadable_attachments":[{"id":64323917,"asset_id":43992460,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":10107955,"first_name":"Kim","last_name":"Jensen","domain_name":"au","page_name":"KimJensen","display_name":"Kim Jensen","profile_url":"https://au.academia.edu/KimJensen?f_ri=30756","photo":"https://0.academia-photos.com/10107955/3114118/4117042/s65_kim.jensen.jpg"}],"research_interests":[{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true},{"id":988053,"name":"Limiting Nutrients","url":"https://www.academia.edu/Documents/in/Limiting_Nutrients?f_ri=30756","nofollow":true},{"id":2532979,"name":"Nutritional geometry","url":"https://www.academia.edu/Documents/in/Nutritional_geometry?f_ri=30756","nofollow":true}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_3111560" data-work_id="3111560" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/3111560/Nutrient_enrichment_alters_storage_and_fluxes_of_detritus_in_a_headwater_stream_ecosystem">Nutrient enrichment alters storage and fluxes of detritus in a headwater stream ecosystem</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Responses of detrital pathways to nutrients may differ fundamentally from pathways involving living plants: basal carbon resources can potentially decrease rather than increase with nutrient enrichment. Despite the potential for nutrients... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_3111560" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Responses of detrital pathways to nutrients may differ fundamentally from pathways involving living plants: basal carbon resources can potentially decrease rather than increase with nutrient enrichment. Despite the potential for nutrients to accelerate heterotrophic processes and fluxes of detritus, few studies have examined detritus-nutrient dynamics at whole-ecosystem scales. We quantified organic matter (OM) budgets over three consecutive years in two detritus-based Appalachian (USA) streams. After the first year, we began enriching one stream with low-level nitrogen and phosphorus inputs. Subsequent effects of nutrients on outputs of different OM compartments were determined using randomized intervention analysis. Nutrient addition did not affect dissolved or coarse particulate OM export but had dramatic effects on fine particulate OM (FPOM) export at all discharges relative to the reference stream. After two years of enrichment, FPOM export was 340% higher in the treatment stream but had decreased by 36% in the reference stream relative to pretreatment export. Ecosystem respiration, the dominant carbon output in these systems, also increased in the treatment stream relative to the reference, but these changes were smaller in magnitude than those in FPOM export. Nutrient enrichment accelerated rates of OM processing, transformation, and export, potentially altering food-web dynamics and ecosystem stability in the long term. The results of our large-scale manipulation of a detrital ecosystem parallel those from analogous studies of soils, in which net loss of organic carbon has often been shown to result from experimental nutrient addition at the plot scale. Streams are useful model systems in which to test the effects of nutrients on ecosystem-scale detrital dynamics because they allow both the tracking of OM conversion along longitudinal continua and the integrated measurement of fluxes of transformed material through downstream sites.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/3111560" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="9bfc74ad2481308e72d8c9e8f8bc61c7" rel="nofollow" data-download="{"attachment_id":31034999,"asset_id":3111560,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/31034999/download_file?st=MTc0MDg3MzI0Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="172796" href="https://uga.academia.edu/AmyRosemond">Amy Rosemond</a><script data-card-contents-for-user="172796" type="text/json">{"id":172796,"first_name":"Amy","last_name":"Rosemond","domain_name":"uga","page_name":"AmyRosemond","display_name":"Amy Rosemond","profile_url":"https://uga.academia.edu/AmyRosemond?f_ri=30756","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_3111560 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="3111560"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 3111560, container: ".js-paper-rank-work_3111560", }); 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$(".js-view-count[data-work-id=3111560]").text(description); $(".js-view-count-work_3111560").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_3111560").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="3111560"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">21</a>  </div><span class="InlineList-item-text u-textTruncate u-pl10x"><a class="InlineList-item-text" data-has-card-for-ri="9846" rel="nofollow" href="https://www.academia.edu/Documents/in/Ecology">Ecology</a>, <script data-card-contents-for-ri="9846" type="text/json">{"id":9846,"name":"Ecology","url":"https://www.academia.edu/Documents/in/Ecology?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="12653" rel="nofollow" href="https://www.academia.edu/Documents/in/Rivers">Rivers</a>, <script data-card-contents-for-ri="12653" type="text/json">{"id":12653,"name":"Rivers","url":"https://www.academia.edu/Documents/in/Rivers?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="30756" rel="nofollow" href="https://www.academia.edu/Documents/in/Ecological_Stoichiometry">Ecological Stoichiometry</a>, <script data-card-contents-for-ri="30756" type="text/json">{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="53108" rel="nofollow" href="https://www.academia.edu/Documents/in/Phosphorus">Phosphorus</a><script data-card-contents-for-ri="53108" type="text/json">{"id":53108,"name":"Phosphorus","url":"https://www.academia.edu/Documents/in/Phosphorus?f_ri=30756","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=3111560]'), work: {"id":3111560,"title":"Nutrient enrichment alters storage and fluxes of detritus in a headwater stream ecosystem","created_at":"2013-03-25T23:24:55.987-07:00","url":"https://www.academia.edu/3111560/Nutrient_enrichment_alters_storage_and_fluxes_of_detritus_in_a_headwater_stream_ecosystem?f_ri=30756","dom_id":"work_3111560","summary":"Responses of detrital pathways to nutrients may differ fundamentally from pathways involving living plants: basal carbon resources can potentially decrease rather than increase with nutrient enrichment. Despite the potential for nutrients to accelerate heterotrophic processes and fluxes of detritus, few studies have examined detritus-nutrient dynamics at whole-ecosystem scales. We quantified organic matter (OM) budgets over three consecutive years in two detritus-based Appalachian (USA) streams. After the first year, we began enriching one stream with low-level nitrogen and phosphorus inputs. Subsequent effects of nutrients on outputs of different OM compartments were determined using randomized intervention analysis. Nutrient addition did not affect dissolved or coarse particulate OM export but had dramatic effects on fine particulate OM (FPOM) export at all discharges relative to the reference stream. After two years of enrichment, FPOM export was 340% higher in the treatment stream but had decreased by 36% in the reference stream relative to pretreatment export. Ecosystem respiration, the dominant carbon output in these systems, also increased in the treatment stream relative to the reference, but these changes were smaller in magnitude than those in FPOM export. Nutrient enrichment accelerated rates of OM processing, transformation, and export, potentially altering food-web dynamics and ecosystem stability in the long term. The results of our large-scale manipulation of a detrital ecosystem parallel those from analogous studies of soils, in which net loss of organic carbon has often been shown to result from experimental nutrient addition at the plot scale. Streams are useful model systems in which to test the effects of nutrients on ecosystem-scale detrital dynamics because they allow both the tracking of OM conversion along longitudinal continua and the integrated measurement of fluxes of transformed material through downstream sites.","downloadable_attachments":[{"id":31034999,"asset_id":3111560,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":172796,"first_name":"Amy","last_name":"Rosemond","domain_name":"uga","page_name":"AmyRosemond","display_name":"Amy Rosemond","profile_url":"https://uga.academia.edu/AmyRosemond?f_ri=30756","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":9846,"name":"Ecology","url":"https://www.academia.edu/Documents/in/Ecology?f_ri=30756","nofollow":true},{"id":12653,"name":"Rivers","url":"https://www.academia.edu/Documents/in/Rivers?f_ri=30756","nofollow":true},{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true},{"id":53108,"name":"Phosphorus","url":"https://www.academia.edu/Documents/in/Phosphorus?f_ri=30756","nofollow":true},{"id":82682,"name":"Food web","url":"https://www.academia.edu/Documents/in/Food_web?f_ri=30756"},{"id":93027,"name":"Nutrient Enrichment","url":"https://www.academia.edu/Documents/in/Nutrient_Enrichment?f_ri=30756"},{"id":93353,"name":"North Carolina","url":"https://www.academia.edu/Documents/in/North_Carolina?f_ri=30756"},{"id":133873,"name":"Plants","url":"https://www.academia.edu/Documents/in/Plants?f_ri=30756"},{"id":151091,"name":"Nitrogen","url":"https://www.academia.edu/Documents/in/Nitrogen?f_ri=30756"},{"id":154926,"name":"Nutrient Limitation","url":"https://www.academia.edu/Documents/in/Nutrient_Limitation?f_ri=30756"},{"id":373754,"name":"Ecosystem","url":"https://www.academia.edu/Documents/in/Ecosystem?f_ri=30756"},{"id":434746,"name":"Model System","url":"https://www.academia.edu/Documents/in/Model_System?f_ri=30756"},{"id":442734,"name":"First Year","url":"https://www.academia.edu/Documents/in/First_Year?f_ri=30756"},{"id":552398,"name":"Ecosystem Stability","url":"https://www.academia.edu/Documents/in/Ecosystem_Stability?f_ri=30756"},{"id":585192,"name":"Organic carbon","url":"https://www.academia.edu/Documents/in/Organic_carbon?f_ri=30756"},{"id":630848,"name":"Plant Development","url":"https://www.academia.edu/Documents/in/Plant_Development?f_ri=30756"},{"id":758278,"name":"Large Scale","url":"https://www.academia.edu/Documents/in/Large_Scale?f_ri=30756"},{"id":843856,"name":"Ecological Applications","url":"https://www.academia.edu/Documents/in/Ecological_Applications?f_ri=30756"},{"id":970387,"name":"Organic Matter","url":"https://www.academia.edu/Documents/in/Organic_Matter?f_ri=30756"},{"id":1273286,"name":"Nutrient dynamics","url":"https://www.academia.edu/Documents/in/Nutrient_dynamics?f_ri=30756"},{"id":1582841,"name":"Intervention Analysis","url":"https://www.academia.edu/Documents/in/Intervention_Analysis?f_ri=30756"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_4331863" data-work_id="4331863" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/4331863/Herbivore_metabolism_and_stoichiometry_each_constrain_herbivory_at_different_organizational_scales_across_ecosystems">Herbivore metabolism and stoichiometry each constrain herbivory at different organizational scales across ecosystems</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Plant-herbivore interactions mediate the trophic structure of ecosystems. We use a comprehensive data set extracted from the literature to test the relative explanatory power of two contrasting bodies of ecological theory, the metabolic... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_4331863" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Plant-herbivore interactions mediate the trophic structure of ecosystems. We use a comprehensive data set extracted from the literature to test the relative explanatory power of two contrasting bodies of ecological theory, the metabolic theory of ecology (MTE) and ecological stoichiometry (ES), for per-capita and population-level rates of herbivory across ecosystems. We found that ambient temperature and herbivore body size (MTE) as well as stoichiometric mismatch (ES) both constrained herbivory, but at different scales of biological organization. Herbivore body size, which varied over 11 orders of magnitude, was the primary factor explaining variation in per-capita rates of herbivory. Stoichiometric mismatch explained more variation in population-level herbivory rates and also in per-capita rates when we examined data from within functionally similar trophic groups (e.g. zooplankton). Thus, predictions from metabolic and stoichiometric theories offer complementary explanations for patterns of herbivory that operate at different scales of biological organization.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/4331863" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="8c57cdbf5954e70825cf390029beffb8" rel="nofollow" data-download="{"attachment_id":31783765,"asset_id":4331863,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/31783765/download_file?st=MTc0MDg3MzI0Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="5281408" href="https://independent.academia.edu/ElsaCleland">Elsa Cleland</a><script data-card-contents-for-user="5281408" type="text/json">{"id":5281408,"first_name":"Elsa","last_name":"Cleland","domain_name":"independent","page_name":"ElsaCleland","display_name":"Elsa Cleland","profile_url":"https://independent.academia.edu/ElsaCleland?f_ri=30756","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_4331863 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="4331863"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 4331863, container: ".js-paper-rank-work_4331863", }); 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$(".js-view-count[data-work-id=4331863]").text(description); $(".js-view-count-work_4331863").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_4331863").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="4331863"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">21</a>  </div><span class="InlineList-item-text u-textTruncate u-pl10x"><a class="InlineList-item-text" data-has-card-for-ri="5345" rel="nofollow" href="https://www.academia.edu/Documents/in/Photosynthesis">Photosynthesis</a>, <script data-card-contents-for-ri="5345" type="text/json">{"id":5345,"name":"Photosynthesis","url":"https://www.academia.edu/Documents/in/Photosynthesis?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="7051" rel="nofollow" href="https://www.academia.edu/Documents/in/Invertebrates">Invertebrates</a>, <script data-card-contents-for-ri="7051" type="text/json">{"id":7051,"name":"Invertebrates","url":"https://www.academia.edu/Documents/in/Invertebrates?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="9846" rel="nofollow" href="https://www.academia.edu/Documents/in/Ecology">Ecology</a>, <script data-card-contents-for-ri="9846" type="text/json">{"id":9846,"name":"Ecology","url":"https://www.academia.edu/Documents/in/Ecology?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="11417" rel="nofollow" href="https://www.academia.edu/Documents/in/Population_Dynamics">Population Dynamics</a><script data-card-contents-for-ri="11417" type="text/json">{"id":11417,"name":"Population Dynamics","url":"https://www.academia.edu/Documents/in/Population_Dynamics?f_ri=30756","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=4331863]'), work: {"id":4331863,"title":"Herbivore metabolism and stoichiometry each constrain herbivory at different organizational scales across ecosystems","created_at":"2013-08-26T07:49:27.935-07:00","url":"https://www.academia.edu/4331863/Herbivore_metabolism_and_stoichiometry_each_constrain_herbivory_at_different_organizational_scales_across_ecosystems?f_ri=30756","dom_id":"work_4331863","summary":"Plant-herbivore interactions mediate the trophic structure of ecosystems. We use a comprehensive data set extracted from the literature to test the relative explanatory power of two contrasting bodies of ecological theory, the metabolic theory of ecology (MTE) and ecological stoichiometry (ES), for per-capita and population-level rates of herbivory across ecosystems. We found that ambient temperature and herbivore body size (MTE) as well as stoichiometric mismatch (ES) both constrained herbivory, but at different scales of biological organization. Herbivore body size, which varied over 11 orders of magnitude, was the primary factor explaining variation in per-capita rates of herbivory. Stoichiometric mismatch explained more variation in population-level herbivory rates and also in per-capita rates when we examined data from within functionally similar trophic groups (e.g. zooplankton). Thus, predictions from metabolic and stoichiometric theories offer complementary explanations for patterns of herbivory that operate at different scales of biological organization.","downloadable_attachments":[{"id":31783765,"asset_id":4331863,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":5281408,"first_name":"Elsa","last_name":"Cleland","domain_name":"independent","page_name":"ElsaCleland","display_name":"Elsa Cleland","profile_url":"https://independent.academia.edu/ElsaCleland?f_ri=30756","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":5345,"name":"Photosynthesis","url":"https://www.academia.edu/Documents/in/Photosynthesis?f_ri=30756","nofollow":true},{"id":7051,"name":"Invertebrates","url":"https://www.academia.edu/Documents/in/Invertebrates?f_ri=30756","nofollow":true},{"id":9846,"name":"Ecology","url":"https://www.academia.edu/Documents/in/Ecology?f_ri=30756","nofollow":true},{"id":11417,"name":"Population Dynamics","url":"https://www.academia.edu/Documents/in/Population_Dynamics?f_ri=30756","nofollow":true},{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756"},{"id":36213,"name":"Energy Metabolism","url":"https://www.academia.edu/Documents/in/Energy_Metabolism?f_ri=30756"},{"id":133873,"name":"Plants","url":"https://www.academia.edu/Documents/in/Plants?f_ri=30756"},{"id":162645,"name":"Population Density","url":"https://www.academia.edu/Documents/in/Population_Density?f_ri=30756"},{"id":164263,"name":"Metabolic Theory of Ecology","url":"https://www.academia.edu/Documents/in/Metabolic_Theory_of_Ecology?f_ri=30756"},{"id":164264,"name":"Body Size","url":"https://www.academia.edu/Documents/in/Body_Size?f_ri=30756"},{"id":187216,"name":"Zooplankton","url":"https://www.academia.edu/Documents/in/Zooplankton?f_ri=30756"},{"id":202574,"name":"Feeding Behavior","url":"https://www.academia.edu/Documents/in/Feeding_Behavior?f_ri=30756"},{"id":218206,"name":"Meta Analysis","url":"https://www.academia.edu/Documents/in/Meta_Analysis?f_ri=30756"},{"id":218820,"name":"Eating","url":"https://www.academia.edu/Documents/in/Eating?f_ri=30756"},{"id":240716,"name":"Body Temperature","url":"https://www.academia.edu/Documents/in/Body_Temperature?f_ri=30756"},{"id":373754,"name":"Ecosystem","url":"https://www.academia.edu/Documents/in/Ecosystem?f_ri=30756"},{"id":477062,"name":"Ambient Temperature","url":"https://www.academia.edu/Documents/in/Ambient_Temperature?f_ri=30756"},{"id":630848,"name":"Plant Development","url":"https://www.academia.edu/Documents/in/Plant_Development?f_ri=30756"},{"id":843856,"name":"Ecological Applications","url":"https://www.academia.edu/Documents/in/Ecological_Applications?f_ri=30756"},{"id":984686,"name":"Trophic Structure","url":"https://www.academia.edu/Documents/in/Trophic_Structure?f_ri=30756"},{"id":1013028,"name":"Food Chain","url":"https://www.academia.edu/Documents/in/Food_Chain?f_ri=30756"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_12836060" data-work_id="12836060" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/12836060/Stoichiometry_of_soil_enzyme_activity_at_global_scale">Stoichiometry of soil enzyme activity at global scale</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Extracellular enzymes are the proximate agents of organic matter decomposition and measures of these activities can be used as indicators of microbial nutrient demand. We conducted a global-scale meta-analysis of the seven-most widely... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_12836060" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Extracellular enzymes are the proximate agents of organic matter decomposition and measures of these activities can be used as indicators of microbial nutrient demand. We conducted a global-scale meta-analysis of the seven-most widely measured soil enzyme activities, using data from 40 ecosystems. The activities of b-1,4-glucosidase, cellobiohydrolase, b-1,4-N-acetylglucosaminidase and phosphatase g )1 soil increased with organic matter concentration; leucine aminopeptidase, phenol oxidase and peroxidase activities showed no relationship. All activities were significantly related to soil pH. Specific activities, i.e. activity g )1 soil organic matter, also varied in relation to soil pH for all enzymes. Relationships with mean annual temperature (MAT) and precipitation (MAP) were generally weak. For hydrolases, ratios of specific C, N and P acquisition activities converged on 1 : 1 : 1 but across ecosystems, the ratio of C : P acquisition was inversely related to MAP and MAT while the ratio of C : N acquisition increased with MAP. Oxidative activities were more variable than hydrolytic activities and increased with soil pH. Our analyses indicate that the enzymatic potential for hydrolyzing the labile components of soil organic matter is tied to substrate availability, soil pH and the stoichiometry of microbial nutrient demand. The enzymatic potential for oxidizing the recalcitrant fractions of soil organic material, which is a proximate control on soil organic matter accumulation, is most strongly related to soil pH. These trends provide insight into the biogeochemical processes that create global patterns in ecological stoichiometry and organic matter storage.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/12836060" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="546ca8794f6ac94d6bee619b1b6acf88" rel="nofollow" data-download="{"attachment_id":45902064,"asset_id":12836060,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/45902064/download_file?st=MTc0MDg3MzI0Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="31939537" href="https://utoledo.academia.edu/Michael_N_Weintraub">Michael Weintraub</a><script data-card-contents-for-user="31939537" type="text/json">{"id":31939537,"first_name":"Michael","last_name":"Weintraub","domain_name":"utoledo","page_name":"Michael_N_Weintraub","display_name":"Michael Weintraub","profile_url":"https://utoledo.academia.edu/Michael_N_Weintraub?f_ri=30756","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_12836060 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="12836060"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 12836060, container: ".js-paper-rank-work_12836060", }); 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$(".js-view-count[data-work-id=12836060]").text(description); $(".js-view-count-work_12836060").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_12836060").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="12836060"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">21</a>  </div><span class="InlineList-item-text u-textTruncate u-pl10x"><a class="InlineList-item-text" data-has-card-for-ri="1605" rel="nofollow" href="https://www.academia.edu/Documents/in/Soil">Soil</a>, <script data-card-contents-for-ri="1605" type="text/json">{"id":1605,"name":"Soil","url":"https://www.academia.edu/Documents/in/Soil?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="5069" rel="nofollow" href="https://www.academia.edu/Documents/in/Principal_Component_Analysis">Principal Component Analysis</a>, <script data-card-contents-for-ri="5069" type="text/json">{"id":5069,"name":"Principal Component Analysis","url":"https://www.academia.edu/Documents/in/Principal_Component_Analysis?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="9846" rel="nofollow" href="https://www.academia.edu/Documents/in/Ecology">Ecology</a>, <script data-card-contents-for-ri="9846" type="text/json">{"id":9846,"name":"Ecology","url":"https://www.academia.edu/Documents/in/Ecology?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="13701" rel="nofollow" href="https://www.academia.edu/Documents/in/Climate">Climate</a><script data-card-contents-for-ri="13701" type="text/json">{"id":13701,"name":"Climate","url":"https://www.academia.edu/Documents/in/Climate?f_ri=30756","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=12836060]'), work: {"id":12836060,"title":"Stoichiometry of soil enzyme activity at global scale","created_at":"2015-06-06T16:57:33.865-07:00","url":"https://www.academia.edu/12836060/Stoichiometry_of_soil_enzyme_activity_at_global_scale?f_ri=30756","dom_id":"work_12836060","summary":"Extracellular enzymes are the proximate agents of organic matter decomposition and measures of these activities can be used as indicators of microbial nutrient demand. We conducted a global-scale meta-analysis of the seven-most widely measured soil enzyme activities, using data from 40 ecosystems. The activities of b-1,4-glucosidase, cellobiohydrolase, b-1,4-N-acetylglucosaminidase and phosphatase g )1 soil increased with organic matter concentration; leucine aminopeptidase, phenol oxidase and peroxidase activities showed no relationship. All activities were significantly related to soil pH. Specific activities, i.e. activity g )1 soil organic matter, also varied in relation to soil pH for all enzymes. Relationships with mean annual temperature (MAT) and precipitation (MAP) were generally weak. For hydrolases, ratios of specific C, N and P acquisition activities converged on 1 : 1 : 1 but across ecosystems, the ratio of C : P acquisition was inversely related to MAP and MAT while the ratio of C : N acquisition increased with MAP. Oxidative activities were more variable than hydrolytic activities and increased with soil pH. Our analyses indicate that the enzymatic potential for hydrolyzing the labile components of soil organic matter is tied to substrate availability, soil pH and the stoichiometry of microbial nutrient demand. The enzymatic potential for oxidizing the recalcitrant fractions of soil organic material, which is a proximate control on soil organic matter accumulation, is most strongly related to soil pH. These trends provide insight into the biogeochemical processes that create global patterns in ecological stoichiometry and organic matter storage.","downloadable_attachments":[{"id":45902064,"asset_id":12836060,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":31939537,"first_name":"Michael","last_name":"Weintraub","domain_name":"utoledo","page_name":"Michael_N_Weintraub","display_name":"Michael Weintraub","profile_url":"https://utoledo.academia.edu/Michael_N_Weintraub?f_ri=30756","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":1605,"name":"Soil","url":"https://www.academia.edu/Documents/in/Soil?f_ri=30756","nofollow":true},{"id":5069,"name":"Principal Component Analysis","url":"https://www.academia.edu/Documents/in/Principal_Component_Analysis?f_ri=30756","nofollow":true},{"id":9846,"name":"Ecology","url":"https://www.academia.edu/Documents/in/Ecology?f_ri=30756","nofollow":true},{"id":13701,"name":"Climate","url":"https://www.academia.edu/Documents/in/Climate?f_ri=30756","nofollow":true},{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756"},{"id":55163,"name":"Enzymes","url":"https://www.academia.edu/Documents/in/Enzymes?f_ri=30756"},{"id":55175,"name":"Peroxidase","url":"https://www.academia.edu/Documents/in/Peroxidase?f_ri=30756"},{"id":123230,"name":"Regression Analysis","url":"https://www.academia.edu/Documents/in/Regression_Analysis?f_ri=30756"},{"id":130767,"name":"Humic Substances","url":"https://www.academia.edu/Documents/in/Humic_Substances?f_ri=30756"},{"id":173028,"name":"Soil organic matter","url":"https://www.academia.edu/Documents/in/Soil_organic_matter?f_ri=30756"},{"id":218206,"name":"Meta Analysis","url":"https://www.academia.edu/Documents/in/Meta_Analysis?f_ri=30756"},{"id":231661,"name":"Enzyme","url":"https://www.academia.edu/Documents/in/Enzyme?f_ri=30756"},{"id":373754,"name":"Ecosystem","url":"https://www.academia.edu/Documents/in/Ecosystem?f_ri=30756"},{"id":399886,"name":"Specific Activity","url":"https://www.academia.edu/Documents/in/Specific_Activity?f_ri=30756"},{"id":576427,"name":"soil pH","url":"https://www.academia.edu/Documents/in/soil_pH?f_ri=30756"},{"id":583568,"name":"Enzyme activity","url":"https://www.academia.edu/Documents/in/Enzyme_activity?f_ri=30756"},{"id":843856,"name":"Ecological Applications","url":"https://www.academia.edu/Documents/in/Ecological_Applications?f_ri=30756"},{"id":958763,"name":"Mean Annual Temperature","url":"https://www.academia.edu/Documents/in/Mean_Annual_Temperature?f_ri=30756"},{"id":970387,"name":"Organic Matter","url":"https://www.academia.edu/Documents/in/Organic_Matter?f_ri=30756"},{"id":1137254,"name":"Hydrogen-Ion Concentration","url":"https://www.academia.edu/Documents/in/Hydrogen-Ion_Concentration?f_ri=30756"},{"id":1180615,"name":"P/BV Ratio","url":"https://www.academia.edu/Documents/in/P_BV_Ratio?f_ri=30756"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_15581940" data-work_id="15581940" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/15581940/Long_term_effects_of_drainage_and_hay_removal_on_nutrient_dynamics_and_limitation_in_the_Biebrza_mires_Poland">Long-term effects of drainage and hay-removal on nutrient dynamics and limitation in the Biebrza mires, Poland</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">To provide a reference for wetlands elsewhere we analysed soil nutrients and the vegetation of floodplains and fens in the relatively undisturbed Biebrza-valley, Poland. Additionally, by studying sites along a water-table gradient, and by... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_15581940" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">To provide a reference for wetlands elsewhere we analysed soil nutrients and the vegetation of floodplains and fens in the relatively undisturbed Biebrza-valley, Poland. Additionally, by studying sites along a water-table gradient, and by comparing pairs of mown and unmown sites, we aimed with exploring long-term effects of drainage and annual hay-removal on nutrient availabilities and vegetation response. In undrained fens and floodplains, N mineralization went slowly (0-30 kg N ha -1 year -1 ) but it increased strongly with decreasing water table (up to 120 kg N ha -1 year -1 ). Soil N, P and K pools were small in the undisturbed mires. Drainage had caused a shift from fen to meadow species and the disappearance of bryophytes. Biomass of vascular plants increased with increasing N mineralization and soil P. Annual hayremoval tended to have reduced N mineralization and soil K pools, but it had increased soil P. Moreover, N concentrations in vascular plants were not affected, but P and K concentrations and therefore N:P and N:K ratios tended to be changed. Annual hay-removal had induced a shift from P to K limitation in the severely drained fen, and from P to N limitation in the floodplain. The low nutrient availabilities and productivity of the undisturbed Biebrza mires illustrate the vulnerability of such mires to eutrophication in Poland and elsewhere. In nutrient-enriched areas, hay removal may prevent productivity increase of the vegetation, but also may severely alter N:P:K stoichiometry, induce K-limitation at drained sites, and alter vegetation structure and composition.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/15581940" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="ebc209c321070d5d1711256b46d44718" rel="nofollow" data-download="{"attachment_id":43065237,"asset_id":15581940,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/43065237/download_file?st=MTc0MDg3MzI0Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="34747598" href="https://independent.academia.edu/WiktorKotowski">Wiktor Kotowski</a><script data-card-contents-for-user="34747598" type="text/json">{"id":34747598,"first_name":"Wiktor","last_name":"Kotowski","domain_name":"independent","page_name":"WiktorKotowski","display_name":"Wiktor Kotowski","profile_url":"https://independent.academia.edu/WiktorKotowski?f_ri=30756","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_15581940 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="15581940"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 15581940, container: ".js-paper-rank-work_15581940", }); 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$(".js-view-count[data-work-id=15581940]").text(description); $(".js-view-count-work_15581940").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_15581940").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="15581940"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">11</a>  </div><span class="InlineList-item-text u-textTruncate u-pl10x"><a class="InlineList-item-text" data-has-card-for-ri="407" rel="nofollow" href="https://www.academia.edu/Documents/in/Geochemistry">Geochemistry</a>, <script data-card-contents-for-ri="407" type="text/json">{"id":407,"name":"Geochemistry","url":"https://www.academia.edu/Documents/in/Geochemistry?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="1361" rel="nofollow" href="https://www.academia.edu/Documents/in/Biogeochemistry">Biogeochemistry</a>, <script data-card-contents-for-ri="1361" type="text/json">{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="30756" rel="nofollow" href="https://www.academia.edu/Documents/in/Ecological_Stoichiometry">Ecological Stoichiometry</a>, <script data-card-contents-for-ri="30756" type="text/json">{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="93027" rel="nofollow" href="https://www.academia.edu/Documents/in/Nutrient_Enrichment">Nutrient Enrichment</a><script data-card-contents-for-ri="93027" type="text/json">{"id":93027,"name":"Nutrient Enrichment","url":"https://www.academia.edu/Documents/in/Nutrient_Enrichment?f_ri=30756","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=15581940]'), work: {"id":15581940,"title":"Long-term effects of drainage and hay-removal on nutrient dynamics and limitation in the Biebrza mires, Poland","created_at":"2015-09-10T12:05:35.595-07:00","url":"https://www.academia.edu/15581940/Long_term_effects_of_drainage_and_hay_removal_on_nutrient_dynamics_and_limitation_in_the_Biebrza_mires_Poland?f_ri=30756","dom_id":"work_15581940","summary":"To provide a reference for wetlands elsewhere we analysed soil nutrients and the vegetation of floodplains and fens in the relatively undisturbed Biebrza-valley, Poland. Additionally, by studying sites along a water-table gradient, and by comparing pairs of mown and unmown sites, we aimed with exploring long-term effects of drainage and annual hay-removal on nutrient availabilities and vegetation response. In undrained fens and floodplains, N mineralization went slowly (0-30 kg N ha -1 year -1 ) but it increased strongly with decreasing water table (up to 120 kg N ha -1 year -1 ). Soil N, P and K pools were small in the undisturbed mires. Drainage had caused a shift from fen to meadow species and the disappearance of bryophytes. Biomass of vascular plants increased with increasing N mineralization and soil P. Annual hayremoval tended to have reduced N mineralization and soil K pools, but it had increased soil P. Moreover, N concentrations in vascular plants were not affected, but P and K concentrations and therefore N:P and N:K ratios tended to be changed. Annual hay-removal had induced a shift from P to K limitation in the severely drained fen, and from P to N limitation in the floodplain. The low nutrient availabilities and productivity of the undisturbed Biebrza mires illustrate the vulnerability of such mires to eutrophication in Poland and elsewhere. In nutrient-enriched areas, hay removal may prevent productivity increase of the vegetation, but also may severely alter N:P:K stoichiometry, induce K-limitation at drained sites, and alter vegetation structure and composition.","downloadable_attachments":[{"id":43065237,"asset_id":15581940,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":34747598,"first_name":"Wiktor","last_name":"Kotowski","domain_name":"independent","page_name":"WiktorKotowski","display_name":"Wiktor Kotowski","profile_url":"https://independent.academia.edu/WiktorKotowski?f_ri=30756","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":407,"name":"Geochemistry","url":"https://www.academia.edu/Documents/in/Geochemistry?f_ri=30756","nofollow":true},{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=30756","nofollow":true},{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true},{"id":93027,"name":"Nutrient Enrichment","url":"https://www.academia.edu/Documents/in/Nutrient_Enrichment?f_ri=30756","nofollow":true},{"id":165221,"name":"Water Table","url":"https://www.academia.edu/Documents/in/Water_Table?f_ri=30756"},{"id":619280,"name":"Nutrient Availability","url":"https://www.academia.edu/Documents/in/Nutrient_Availability?f_ri=30756"},{"id":769763,"name":"Soil Nutrients","url":"https://www.academia.edu/Documents/in/Soil_Nutrients?f_ri=30756"},{"id":800515,"name":"Long Term Effect","url":"https://www.academia.edu/Documents/in/Long_Term_Effect?f_ri=30756"},{"id":808624,"name":"Vascular Plants","url":"https://www.academia.edu/Documents/in/Vascular_Plants?f_ri=30756"},{"id":1273286,"name":"Nutrient dynamics","url":"https://www.academia.edu/Documents/in/Nutrient_dynamics?f_ri=30756"},{"id":1640562,"name":"Vegetation Structure","url":"https://www.academia.edu/Documents/in/Vegetation_Structure?f_ri=30756"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_17272972 coauthored" data-work_id="17272972" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/17272972/DOES_INTRAGUILD_PREDATION_ENHANCE_PREDATOR_PERFORMANCE_A_STOICHIOMETRIC_PERSPECTIVE">DOES INTRAGUILD PREDATION ENHANCE PREDATOR PERFORMANCE? A STOICHIOMETRIC PERSPECTIVE</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Ecological stoichiometry provides a novel context for elucidating the occurrence of intraguild predation. Recent data show that predators on average have a higher nitrogen content and lower C:N ratio than potential herbivorous prey. Thus,... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_17272972" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Ecological stoichiometry provides a novel context for elucidating the occurrence of intraguild predation. Recent data show that predators on average have a higher nitrogen content and lower C:N ratio than potential herbivorous prey. Thus, many predators may be nitrogen limited, and intraguild predation may allow them to increase their nitrogen intake and growth by supplementing a diet of herbivores with more nitrogen-rich intraguild prey. We tested this hypothesis using an assemblage of salt-marsh-inhabiting arthropods. First, we determined the nitrogen content and C:N ratio of taxa in four trophic groups (plants, herbivores, omnivores, and predators). Second, we fed an intraguild predator, the wolf spider Pardosa, one of three diets (herbivores, intraguild prey, or an alternating mix of the two) and measured spider survival, growth, capture rate, and biomass and nitrogen intake.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/17272972" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="5bdafa55acf891cf458b44b5d4f7c1d3" rel="nofollow" data-download="{"attachment_id":42275865,"asset_id":17272972,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/42275865/download_file?st=MTc0MDg3MzI0Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="36915548" href="https://independent.academia.edu/ClaudioGratton">Claudio Gratton</a><script data-card-contents-for-user="36915548" type="text/json">{"id":36915548,"first_name":"Claudio","last_name":"Gratton","domain_name":"independent","page_name":"ClaudioGratton","display_name":"Claudio Gratton","profile_url":"https://independent.academia.edu/ClaudioGratton?f_ri=30756","photo":"/images/s65_no_pic.png"}</script></span></span><span class="u-displayInlineBlock InlineList-item-text"> and <span class="u-textDecorationUnderline u-clickable InlineList-item-text js-work-more-authors-17272972">+1</span><div class="hidden js-additional-users-17272972"><div><span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a href="https://independent.academia.edu/DeborahFinke">Deborah Finke</a></span></div></div></span><script>(function(){ var popoverSettings = { el: $('.js-work-more-authors-17272972'), placement: 'bottom', hide_delay: 200, html: true, content: function(){ return $('.js-additional-users-17272972').html(); 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container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_17272972 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="17272972"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 17272972; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=17272972]").text(description); $(".js-view-count-work_17272972").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_17272972").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="17272972"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">8</a>  </div><span class="InlineList-item-text u-textTruncate u-pl9x"><a class="InlineList-item-text" data-has-card-for-ri="9846" rel="nofollow" href="https://www.academia.edu/Documents/in/Ecology">Ecology</a>, <script data-card-contents-for-ri="9846" type="text/json">{"id":9846,"name":"Ecology","url":"https://www.academia.edu/Documents/in/Ecology?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="30756" rel="nofollow" href="https://www.academia.edu/Documents/in/Ecological_Stoichiometry">Ecological Stoichiometry</a>, <script data-card-contents-for-ri="30756" type="text/json">{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="151091" rel="nofollow" href="https://www.academia.edu/Documents/in/Nitrogen">Nitrogen</a>, <script data-card-contents-for-ri="151091" type="text/json">{"id":151091,"name":"Nitrogen","url":"https://www.academia.edu/Documents/in/Nitrogen?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="154925" rel="nofollow" href="https://www.academia.edu/Documents/in/Trophic_Level">Trophic Level</a><script data-card-contents-for-ri="154925" type="text/json">{"id":154925,"name":"Trophic Level","url":"https://www.academia.edu/Documents/in/Trophic_Level?f_ri=30756","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=17272972]'), work: {"id":17272972,"title":"DOES INTRAGUILD PREDATION ENHANCE PREDATOR PERFORMANCE? A STOICHIOMETRIC PERSPECTIVE","created_at":"2015-10-25T06:17:00.270-07:00","url":"https://www.academia.edu/17272972/DOES_INTRAGUILD_PREDATION_ENHANCE_PREDATOR_PERFORMANCE_A_STOICHIOMETRIC_PERSPECTIVE?f_ri=30756","dom_id":"work_17272972","summary":"Ecological stoichiometry provides a novel context for elucidating the occurrence of intraguild predation. Recent data show that predators on average have a higher nitrogen content and lower C:N ratio than potential herbivorous prey. Thus, many predators may be nitrogen limited, and intraguild predation may allow them to increase their nitrogen intake and growth by supplementing a diet of herbivores with more nitrogen-rich intraguild prey. We tested this hypothesis using an assemblage of salt-marsh-inhabiting arthropods. First, we determined the nitrogen content and C:N ratio of taxa in four trophic groups (plants, herbivores, omnivores, and predators). Second, we fed an intraguild predator, the wolf spider Pardosa, one of three diets (herbivores, intraguild prey, or an alternating mix of the two) and measured spider survival, growth, capture rate, and biomass and nitrogen intake.","downloadable_attachments":[{"id":42275865,"asset_id":17272972,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":36915548,"first_name":"Claudio","last_name":"Gratton","domain_name":"independent","page_name":"ClaudioGratton","display_name":"Claudio Gratton","profile_url":"https://independent.academia.edu/ClaudioGratton?f_ri=30756","photo":"/images/s65_no_pic.png"},{"id":37023232,"first_name":"Deborah","last_name":"Finke","domain_name":"independent","page_name":"DeborahFinke","display_name":"Deborah Finke","profile_url":"https://independent.academia.edu/DeborahFinke?f_ri=30756","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":9846,"name":"Ecology","url":"https://www.academia.edu/Documents/in/Ecology?f_ri=30756","nofollow":true},{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true},{"id":151091,"name":"Nitrogen","url":"https://www.academia.edu/Documents/in/Nitrogen?f_ri=30756","nofollow":true},{"id":154925,"name":"Trophic Level","url":"https://www.academia.edu/Documents/in/Trophic_Level?f_ri=30756","nofollow":true},{"id":304166,"name":"Intraguild Predation","url":"https://www.academia.edu/Documents/in/Intraguild_Predation?f_ri=30756"},{"id":576179,"name":"Salt marsh","url":"https://www.academia.edu/Documents/in/Salt_marsh?f_ri=30756"},{"id":843856,"name":"Ecological Applications","url":"https://www.academia.edu/Documents/in/Ecological_Applications?f_ri=30756"},{"id":1583620,"name":"Prey Capture","url":"https://www.academia.edu/Documents/in/Prey_Capture?f_ri=30756"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_20530741" data-work_id="20530741" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/20530741/Parallel_ecological_networks_in_ecosystems">Parallel ecological networks in ecosystems</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">In ecosystems, species interact with other species directly and through abiotic factors in multiple ways, often forming complex networks of various types of ecological interaction. Out of this suite of interactions, predator-prey... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_20530741" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">In ecosystems, species interact with other species directly and through abiotic factors in multiple ways, often forming complex networks of various types of ecological interaction. Out of this suite of interactions, predator-prey interactions have received most attention. The resulting food webs, however, will always operate simultaneously with networks based on other types of ecological interaction, such as through the activities of ecosystem engineers or mutualistic interactions. Little is known about how to classify, organize and quantify these other ecological networks and their mutual interplay. The aim of this paper is to provide new and testable ideas on how to understand and model ecosystems in which many different types of ecological interaction operate simultaneously. We approach this problem by first identifying six main types of interaction that operate within ecosystems, of which food web interactions are one. Then, we propose that food webs are structured among two main axes of organization: a vertical (classic) axis representing trophic position and a new horizontal 'ecological stoichiometry' axis representing decreasing palatability of plant parts and detritus for herbivores and detrivores and slower turnover times. The usefulness of these new ideas is then explored with three very different ecosystems as test cases: temperate intertidal mudflats; temperate short grass prairie; and tropical savannah.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/20530741" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="950f0bbca29b3dff67bc36b3f8888c56" rel="nofollow" data-download="{"attachment_id":41422042,"asset_id":20530741,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/41422042/download_file?st=MTc0MDg3MzI0Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="41906535" href="https://independent.academia.edu/NeilRooney">Neil Rooney</a><script data-card-contents-for-user="41906535" type="text/json">{"id":41906535,"first_name":"Neil","last_name":"Rooney","domain_name":"independent","page_name":"NeilRooney","display_name":"Neil Rooney","profile_url":"https://independent.academia.edu/NeilRooney?f_ri=30756","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_20530741 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="20530741"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 20530741, container: ".js-paper-rank-work_20530741", }); });</script></li><li class="js-percentile-work_20530741 InlineList-item InlineList-item--bordered hidden u-tcGrayDark"><span class="percentile-widget hidden"><span class="u-mr2x percentile-widget" style="display: none">•</span><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 20530741; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_20530741"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_20530741 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="20530741"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 20530741; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=20530741]").text(description); $(".js-view-count-work_20530741").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_20530741").removeClass('hidden') })</script></div></li><li class="InlineList-item u-positionRelative" style="max-width: 250px"><div class="u-positionAbsolute" data-has-card-for-ri-list="20530741"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">16</a>  </div><span class="InlineList-item-text u-textTruncate u-pl10x"><a class="InlineList-item-text" data-has-card-for-ri="158" rel="nofollow" href="https://www.academia.edu/Documents/in/Marine_Biology">Marine Biology</a>, <script data-card-contents-for-ri="158" type="text/json">{"id":158,"name":"Marine Biology","url":"https://www.academia.edu/Documents/in/Marine_Biology?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="11187" rel="nofollow" href="https://www.academia.edu/Documents/in/Ecological_Networks">Ecological Networks</a>, <script data-card-contents-for-ri="11187" type="text/json">{"id":11187,"name":"Ecological Networks","url":"https://www.academia.edu/Documents/in/Ecological_Networks?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="30294" rel="nofollow" href="https://www.academia.edu/Documents/in/Predator-prey_interaction">Predator-prey interaction</a>, <script data-card-contents-for-ri="30294" type="text/json">{"id":30294,"name":"Predator-prey interaction","url":"https://www.academia.edu/Documents/in/Predator-prey_interaction?f_ri=30756","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="30756" rel="nofollow" href="https://www.academia.edu/Documents/in/Ecological_Stoichiometry">Ecological Stoichiometry</a><script data-card-contents-for-ri="30756" type="text/json">{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=20530741]'), work: {"id":20530741,"title":"Parallel ecological networks in ecosystems","created_at":"2016-01-22T05:10:13.904-08:00","url":"https://www.academia.edu/20530741/Parallel_ecological_networks_in_ecosystems?f_ri=30756","dom_id":"work_20530741","summary":"In ecosystems, species interact with other species directly and through abiotic factors in multiple ways, often forming complex networks of various types of ecological interaction. Out of this suite of interactions, predator-prey interactions have received most attention. The resulting food webs, however, will always operate simultaneously with networks based on other types of ecological interaction, such as through the activities of ecosystem engineers or mutualistic interactions. Little is known about how to classify, organize and quantify these other ecological networks and their mutual interplay. The aim of this paper is to provide new and testable ideas on how to understand and model ecosystems in which many different types of ecological interaction operate simultaneously. We approach this problem by first identifying six main types of interaction that operate within ecosystems, of which food web interactions are one. Then, we propose that food webs are structured among two main axes of organization: a vertical (classic) axis representing trophic position and a new horizontal 'ecological stoichiometry' axis representing decreasing palatability of plant parts and detritus for herbivores and detrivores and slower turnover times. The usefulness of these new ideas is then explored with three very different ecosystems as test cases: temperate intertidal mudflats; temperate short grass prairie; and tropical savannah.","downloadable_attachments":[{"id":41422042,"asset_id":20530741,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":41906535,"first_name":"Neil","last_name":"Rooney","domain_name":"independent","page_name":"NeilRooney","display_name":"Neil Rooney","profile_url":"https://independent.academia.edu/NeilRooney?f_ri=30756","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":158,"name":"Marine Biology","url":"https://www.academia.edu/Documents/in/Marine_Biology?f_ri=30756","nofollow":true},{"id":11187,"name":"Ecological Networks","url":"https://www.academia.edu/Documents/in/Ecological_Networks?f_ri=30756","nofollow":true},{"id":30294,"name":"Predator-prey interaction","url":"https://www.academia.edu/Documents/in/Predator-prey_interaction?f_ri=30756","nofollow":true},{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true},{"id":47884,"name":"Biological Sciences","url":"https://www.academia.edu/Documents/in/Biological_Sciences?f_ri=30756"},{"id":54085,"name":"Denmark","url":"https://www.academia.edu/Documents/in/Denmark?f_ri=30756"},{"id":61866,"name":"South Africa","url":"https://www.academia.edu/Documents/in/South_Africa?f_ri=30756"},{"id":82682,"name":"Food web","url":"https://www.academia.edu/Documents/in/Food_web?f_ri=30756"},{"id":210814,"name":"Poaceae","url":"https://www.academia.edu/Documents/in/Poaceae?f_ri=30756"},{"id":282945,"name":"Ecosystem engineer","url":"https://www.academia.edu/Documents/in/Ecosystem_engineer?f_ri=30756"},{"id":284862,"name":"Colorado","url":"https://www.academia.edu/Documents/in/Colorado?f_ri=30756"},{"id":373754,"name":"Ecosystem","url":"https://www.academia.edu/Documents/in/Ecosystem?f_ri=30756"},{"id":835287,"name":"Trophic Interaction","url":"https://www.academia.edu/Documents/in/Trophic_Interaction?f_ri=30756"},{"id":985598,"name":"Predatory Behavior","url":"https://www.academia.edu/Documents/in/Predatory_Behavior?f_ri=30756"},{"id":1013028,"name":"Food Chain","url":"https://www.academia.edu/Documents/in/Food_Chain?f_ri=30756"},{"id":1208706,"name":"Environment","url":"https://www.academia.edu/Documents/in/Environment?f_ri=30756"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_19606296" data-work_id="19606296" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/19606296/The_effects_of_decapod_crustacean_macroconsumers_on_leaf_detritus_processing_and_colonization_by_invertebrates_in_stream_habitats_A_meta_analysis">The effects of decapod crustacean macroconsumers on leaf detritus processing and colonization by invertebrates in stream habitats: A meta-analysis</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">We conducted a meta-analysis of the available literature to assess the effect of decapod crustacean macroconsumers on the processing and invertebrate colonization of leaf detritus in streams. Supplementary methodological (experimental... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_19606296" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">We conducted a meta-analysis of the available literature to assess the effect of decapod<br />crustacean macroconsumers on the processing and invertebrate colonization of leaf detritus<br />in streams. Supplementary methodological (experimental set-up), geographical (i.e. latitude,<br />climate) and biological (i.e. macroconsumers body size, detritus quality expressed as initial C:<br />N ratio) data were collected, with the aim of assessing their influence on effect sizes variability.<br />Overall, our results indicated some important effects of decapod crustacean macroconsumers<br />on both detritus processing and colonization by invertebrates. Among the different<br />factors examined, detritus quality and macroconsumer body size were important for<br />predicting detritus processing and invertebrate colonization effects, respectively. This<br />indicates that the pivotal role played by decapod crustacean macroconsumers on leaf<br />decomposition, food webs, and wider stream ecosystem functioning, may be regulated by the<br />interplay of both detritus chemistry and consumer’s body size. The limitations and<br />inadequacies of the analyzed literature are discussed.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/19606296" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="dd2d59d783c4d96912859bc6c7f7a78c" rel="nofollow" data-download="{"attachment_id":40727886,"asset_id":19606296,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/40727886/download_file?st=MTc0MDg3MzI0Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="1224501" href="https://unisalento.academia.edu/giorgiomancinelli">Giorgio Mancinelli</a><script data-card-contents-for-user="1224501" type="text/json">{"id":1224501,"first_name":"Giorgio","last_name":"Mancinelli","domain_name":"unisalento","page_name":"giorgiomancinelli","display_name":"Giorgio Mancinelli","profile_url":"https://unisalento.academia.edu/giorgiomancinelli?f_ri=30756","photo":"https://0.academia-photos.com/1224501/1028016/1284538/s65_giorgio.mancinelli.jpg"}</script></span></span></li><li class="js-paper-rank-work_19606296 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="19606296"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 19606296, container: ".js-paper-rank-work_19606296", }); 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Supplementary methodological (experimental set-up), geographical (i.e. latitude,\nclimate) and biological (i.e. macroconsumers body size, detritus quality expressed as initial C:\nN ratio) data were collected, with the aim of assessing their influence on effect sizes variability.\nOverall, our results indicated some important effects of decapod crustacean macroconsumers\non both detritus processing and colonization by invertebrates. Among the different\nfactors examined, detritus quality and macroconsumer body size were important for\npredicting detritus processing and invertebrate colonization effects, respectively. This\nindicates that the pivotal role played by decapod crustacean macroconsumers on leaf\ndecomposition, food webs, and wider stream ecosystem functioning, may be regulated by the\ninterplay of both detritus chemistry and consumer’s body size. The limitations and\ninadequacies of the analyzed literature are discussed.","downloadable_attachments":[{"id":40727886,"asset_id":19606296,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":1224501,"first_name":"Giorgio","last_name":"Mancinelli","domain_name":"unisalento","page_name":"giorgiomancinelli","display_name":"Giorgio Mancinelli","profile_url":"https://unisalento.academia.edu/giorgiomancinelli?f_ri=30756","photo":"https://0.academia-photos.com/1224501/1028016/1284538/s65_giorgio.mancinelli.jpg"}],"research_interests":[{"id":6482,"name":"Meta-Analysis and Systematic Review","url":"https://www.academia.edu/Documents/in/Meta-Analysis_and_Systematic_Review?f_ri=30756","nofollow":true},{"id":11850,"name":"Crayfish Ecology","url":"https://www.academia.edu/Documents/in/Crayfish_Ecology?f_ri=30756","nofollow":true},{"id":23720,"name":"Benthic macroinvertebrates","url":"https://www.academia.edu/Documents/in/Benthic_macroinvertebrates?f_ri=30756","nofollow":true},{"id":30756,"name":"Ecological Stoichiometry","url":"https://www.academia.edu/Documents/in/Ecological_Stoichiometry?f_ri=30756","nofollow":true},{"id":200081,"name":"IUCN Red List","url":"https://www.academia.edu/Documents/in/IUCN_Red_List?f_ri=30756"},{"id":606000,"name":"Leaf Litter Decomposition","url":"https://www.academia.edu/Documents/in/Leaf_Litter_Decomposition?f_ri=30756"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_17504688" data-work_id="17504688" itemscope="itemscope" itemtype="https://schema.org/ScholarlyArticle"><div class="header"><div class="title u-fontSerif u-fs22 u-lineHeight1_3"><a class="u-tcGrayDarkest js-work-link" href="https://www.academia.edu/17504688/Choice_of_resolution_by_functional_trait_or_taxonomy_affects_allometric_scaling_in_soil_food_webs">Choice of resolution by functional trait or taxonomy affects allometric scaling in soil food webs</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Belowground organisms often display a shift in their mass-abundance scaling relationships due to environmental factors such as soil chemistry and atmospheric deposition. Here we present new empirical data that show strong differences in... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_17504688" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Belowground organisms often display a shift in their mass-abundance scaling relationships due to environmental factors such as soil chemistry and atmospheric deposition. Here we present new empirical data that show strong differences in allometric scaling according to whether the resolution at the local scale is based on a taxonomic or a functional classification, while only slight differences arise according to soil environmental conditions. For the first time, isometry (an inverse 1:1 proportion) is recognized in mass-abundance relationships, providing a functional signal for constant biomass distribution in soil biota regardless of discrete trophic levels. Our findings are in contrast to those from aquatic ecosystems, in that higher trophic levels in soil biota are not a direct function of increasing body mass.</div></div></div><ul class="InlineList u-ph0x u-fs13"><li class="InlineList-item logged_in_only"><div class="share_on_academia_work_button"><a class="academia_share Button Button--inverseBlue Button--sm js-bookmark-button" data-academia-share="Work/17504688" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span class="work-strip-link-text u-ml1x" data-content="button_text">Bookmark</span></a></div></li><li class="InlineList-item"><div class="download"><a id="4e4836fa1256e3dae3e4ddc628737f77" rel="nofollow" data-download="{"attachment_id":40599325,"asset_id":17504688,"asset_type":"Work","always_allow_download":false,"track":null,"button_location":"work_strip","source":null,"hide_modal":null}" class="Button Button--sm Button--inverseGreen js-download-button prompt_button doc_download" href="https://www.academia.edu/attachments/40599325/download_file?st=MTc0MDg3MzI0Nyw4LjIyMi4yMDguMTQ2&s=work_strip"><i class="fa fa-arrow-circle-o-down fa-lg"></i><span class="u-textUppercase u-ml1x" data-content="button_text">Download</span></a></div></li><li class="InlineList-item"><ul class="InlineList InlineList--bordered u-ph0x"><li class="InlineList-item InlineList-item--bordered"><span class="InlineList-item-text">by <span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a class="u-tcGrayDark u-fw700" data-has-card-for-user="32802788" href="https://unico.academia.edu/ChristianMulder">Christian Mulder</a><script data-card-contents-for-user="32802788" type="text/json">{"id":32802788,"first_name":"Christian","last_name":"Mulder","domain_name":"unico","page_name":"ChristianMulder","display_name":"Christian Mulder","profile_url":"https://unico.academia.edu/ChristianMulder?f_ri=30756","photo":"https://0.academia-photos.com/32802788/10913429/12179048/s65_christian.mulder.jpg"}</script></span></span></li><li class="js-paper-rank-work_17504688 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="17504688"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 17504688, container: ".js-paper-rank-work_17504688", }); 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Here we present new empirical data that show strong differences in allometric scaling according to whether the resolution at the local scale is based on a taxonomic or a functional classification, while only slight differences arise according to soil environmental conditions. For the first time, isometry (an inverse 1:1 proportion) is recognized in mass-abundance relationships, providing a functional signal for constant biomass distribution in soil biota regardless of discrete trophic levels. Our findings are in contrast to those from aquatic ecosystems, in that higher trophic levels in soil biota are not a direct function of increasing body mass.","downloadable_attachments":[{"id":40599325,"asset_id":17504688,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":32802788,"first_name":"Christian","last_name":"Mulder","domain_name":"unico","page_name":"ChristianMulder","display_name":"Christian Mulder","profile_url":"https://unico.academia.edu/ChristianMulder?f_ri=30756","photo":"https://0.academia-photos.com/32802788/10913429/12179048/s65_christian.mulder.jpg"}],"research_interests":[{"id":1605,"name":"Soil","url":"https://www.academia.edu/Documents/in/Soil?f_ri=30756","nofollow":true},{"id":5411,"name":"Biomass","url":"https://www.academia.edu/Documents/in/Biomass?f_ri=30756","nofollow":true},{"id":30756,"name":"Ecological 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