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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">Biogeochemistry</h1><div class="u-tcGrayDark">22,139 Followers</div><div class="u-tcGrayDark u-mt2x">Recent papers in <b>Biogeochemistry</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/Biogeochemistry">Top Papers</a></li><li><a href="https://www.academia.edu/Documents/in/Biogeochemistry/MostCited">Most Cited Papers</a></li><li><a href="https://www.academia.edu/Documents/in/Biogeochemistry/MostDownloaded">Most Downloaded Papers</a></li><li><a href="https://www.academia.edu/Documents/in/Biogeochemistry/MostRecent">Newest Papers</a></li><li><a class="" href="https://www.academia.edu/People/Biogeochemistry">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_15856575" data-work_id="15856575" 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/15856575/Tracking_continental_habitat_shifts_of_eels_using_otolith_Sr_Ca_ratios_validation_and_application_to_the_coastal_estuarine_and_riverine_eels_of_the_Gironde_Garonne_Dordogne_watershed">Tracking continental habitat shifts of eels using otolith Sr/Ca ratios: validation and application to the coastal, estuarine and riverine eels of the Gironde–Garonne–Dordogne watershed</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 enable a relevant interpretation of otolith strontium : calcium (Sr/Ca) variations in terms of habitat shifts of eels, the Sr/Ca-salinity relationship in eel otoliths was validated. Downstream and upstream migrations of young eels were... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_15856575" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">To enable a relevant interpretation of otolith strontium : calcium (Sr/Ca) variations in terms of habitat shifts of eels, the Sr/Ca-salinity relationship in eel otoliths was validated. Downstream and upstream migrations of young eels were reproduced in the laboratory by transferring groups of fish every 2 months between aquaria filled with water coming from the Dordogne river (salinity = 0), the upper Gironde estuary (salinity = 5), the lower Gironde estuary (salinity = 25) and the coast (salinity = 30), which represented the salinity gradient observed in the Gironde-Garonne-Dordogne watershed. Ontogenetic changes in otolith Sr/Ca were assessed in two groups of control fish that were kept in one of either two constant salinities (fresh water or seawater). X-ray electron microprobe (wavelength dispersive spectrometry, WDS) analyses of Sr/Ca ratios in the otoliths showed that the change of aquarium was recorded as a Sr/Ca increase (downstream migration) or a Sr/Ca decrease (upstream migration). No ontogenetic effect was detected in otoliths of control fish outside glass eel marks in either group of fish. The electron microprobe (WDS) analysis of the Sr/Ca life (transected in several otoliths of eels caught in the Gironde-Garonne-Dordogne watershed) showed that some of them were migrant eels that had experienced one major habitat shift during their continental life.</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/15856575" 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="db77caf3d266695fae3663f81d576892" rel="nofollow" data-download="{"attachment_id":42852251,"asset_id":15856575,"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/42852251/download_file?st=MTc0MDkyNTI2MSw4LjIyMi4yMDguMTQ2&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="35036305" href="https://independent.academia.edu/PierreElie">Pierre Elie</a><script data-card-contents-for-user="35036305" type="text/json">{"id":35036305,"first_name":"Pierre","last_name":"Elie","domain_name":"independent","page_name":"PierreElie","display_name":"Pierre Elie","profile_url":"https://independent.academia.edu/PierreElie?f_ri=1361","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_15856575 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="15856575"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 15856575, container: ".js-paper-rank-work_15856575", }); 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Downstream and upstream migrations of young eels were reproduced in the laboratory by transferring groups of fish every 2 months between aquaria filled with water coming from the Dordogne river (salinity = 0), the upper Gironde estuary (salinity = 5), the lower Gironde estuary (salinity = 25) and the coast (salinity = 30), which represented the salinity gradient observed in the Gironde-Garonne-Dordogne watershed. Ontogenetic changes in otolith Sr/Ca were assessed in two groups of control fish that were kept in one of either two constant salinities (fresh water or seawater). X-ray electron microprobe (wavelength dispersive spectrometry, WDS) analyses of Sr/Ca ratios in the otoliths showed that the change of aquarium was recorded as a Sr/Ca increase (downstream migration) or a Sr/Ca decrease (upstream migration). No ontogenetic effect was detected in otoliths of control fish outside glass eel marks in either group of fish. The electron microprobe (WDS) analysis of the Sr/Ca life (transected in several otoliths of eels caught in the Gironde-Garonne-Dordogne watershed) showed that some of them were migrant eels that had experienced one major habitat shift during their continental life.","downloadable_attachments":[{"id":42852251,"asset_id":15856575,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":35036305,"first_name":"Pierre","last_name":"Elie","domain_name":"independent","page_name":"PierreElie","display_name":"Pierre Elie","profile_url":"https://independent.academia.edu/PierreElie?f_ri=1361","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":156,"name":"Genetics","url":"https://www.academia.edu/Documents/in/Genetics?f_ri=1361","nofollow":true},{"id":167,"name":"Physiology","url":"https://www.academia.edu/Documents/in/Physiology?f_ri=1361","nofollow":true},{"id":415,"name":"Oceanography","url":"https://www.academia.edu/Documents/in/Oceanography?f_ri=1361","nofollow":true},{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=1361","nofollow":true},{"id":2549,"name":"Hydrology","url":"https://www.academia.edu/Documents/in/Hydrology?f_ri=1361"},{"id":4206,"name":"Phylogeography","url":"https://www.academia.edu/Documents/in/Phylogeography?f_ri=1361"},{"id":4553,"name":"Toxicology","url":"https://www.academia.edu/Documents/in/Toxicology?f_ri=1361"},{"id":4850,"name":"Migration","url":"https://www.academia.edu/Documents/in/Migration?f_ri=1361"},{"id":7049,"name":"Crustacea","url":"https://www.academia.edu/Documents/in/Crustacea?f_ri=1361"},{"id":7666,"name":"Life history","url":"https://www.academia.edu/Documents/in/Life_history?f_ri=1361"},{"id":7710,"name":"Biology","url":"https://www.academia.edu/Documents/in/Biology?f_ri=1361"},{"id":9846,"name":"Ecology","url":"https://www.academia.edu/Documents/in/Ecology?f_ri=1361"},{"id":28235,"name":"Multidisciplinary","url":"https://www.academia.edu/Documents/in/Multidisciplinary?f_ri=1361"},{"id":65881,"name":"FISH","url":"https://www.academia.edu/Documents/in/FISH?f_ri=1361"},{"id":80872,"name":"Scientific","url":"https://www.academia.edu/Documents/in/Scientific?f_ri=1361"},{"id":84578,"name":"Educational","url":"https://www.academia.edu/Documents/in/Educational?f_ri=1361"},{"id":85707,"name":"Habitat","url":"https://www.academia.edu/Documents/in/Habitat?f_ri=1361"},{"id":89990,"name":"Estuaries","url":"https://www.academia.edu/Documents/in/Estuaries?f_ri=1361"},{"id":90025,"name":"Tracking","url":"https://www.academia.edu/Documents/in/Tracking?f_ri=1361"},{"id":107671,"name":"Plankton","url":"https://www.academia.edu/Documents/in/Plankton?f_ri=1361"},{"id":192651,"name":"Stream","url":"https://www.academia.edu/Documents/in/Stream?f_ri=1361"},{"id":249747,"name":"Coral","url":"https://www.academia.edu/Documents/in/Coral?f_ri=1361"},{"id":261821,"name":"Watershed","url":"https://www.academia.edu/Documents/in/Watershed?f_ri=1361"},{"id":379570,"name":"Estuary","url":"https://www.academia.edu/Documents/in/Estuary?f_ri=1361"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_76062847" data-work_id="76062847" 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/76062847/Martian_base_agriculture_The_effect_of_low_gravity_on_water_flow_nutrient_cycles_and_microbial_biomass_dynamics">Martian base agriculture: The effect of low gravity on water flow, nutrient cycles, and microbial biomass dynamics</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 latest advances in bioregenerative strategies for long-term life support in extraterrestrial outposts such as on Mars have indicated soil-based cropping as an effective approach for waste decomposition, carbon sequestration, oxygen... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_76062847" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">The latest advances in bioregenerative strategies for long-term life support in extraterrestrial outposts such as on Mars have indicated soil-based cropping as an effective approach for waste decomposition, carbon sequestration, oxygen production, and water biofiltration as compared to hydroponics and aeroponics cropping. However, it is still unknown if cropping using soil systems could be sustainable in a Martian greenhouse under a gravity of 0.38g. The most challenging aspects are linked to the gravity-induced soil water flow; because water is crucial in driving nutrient and oxygen transport in both liquid and gaseous phases, a gravitational acceleration lower than g = 9.806 m s À2 could lead to suffocation of microorganisms and roots, with concomitant emissions of toxic gases. The effect of Martian gravity on soil processes was investigated using a highly mechanistic model previously tested for terrestrial crops that couples soil hydraulics and nutrient biogeochemistry. Net leaching of NO À 3 solute, gaseous fluxes of NH 3 , CO 2 , N 2 O, NO and N 2 , depth concentrations of O 2 , CO 2 and dissolved organic carbon (DOC), and pH in the root zone were calculated for a bioregenerative cropping unit under gravitational acceleration of Earth and for its homologous on Mars, but under 0.38g. The two cropping units were treated with the same fertilizer type and rate, and with the same irrigation regime, but under different initial soil moisture content. Martian gravity reduced water and solute leaching by about 90% compared to Earth. This higher water holding capacity in soil under Martian gravity led to moisture content and nutrient concentrations that favoured the metabolism of various microbial functional groups, whose density increased by 5-10% on Mars as compared to Earth. Denitrification rates became substantially more important than on Earth and ultimately resulted in 60%, 200% and 1200% higher emissions of NO, N 2 O and N 2 gases, respectively. Similarly, O 2 and DOC were consumed more rapidly in the Martian soil and resulted in about 10% increase in CO 2 emissions. More generally, Martian cropping would require 90% less water for irrigation than on Earth, being therefore favourable for water recycling treatment; in addition, a substantially lower nutrient supply from external sources such as fertilizers would not compromise nutrient delivery to soil microorganisms, but would reduce the large N gas emissions observed in this study.</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/76062847" 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="014f89bcfcf0e7740b0270885854318a" rel="nofollow" data-download="{"attachment_id":83747995,"asset_id":76062847,"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/83747995/download_file?st=MTc0MDkyNTI2MSw4LjIyMi4yMDguMTQ2&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="111880114" href="https://ucberkeley.academia.edu/CelinePallud">Celine Pallud</a><script data-card-contents-for-user="111880114" type="text/json">{"id":111880114,"first_name":"Celine","last_name":"Pallud","domain_name":"ucberkeley","page_name":"CelinePallud","display_name":"Celine Pallud","profile_url":"https://ucberkeley.academia.edu/CelinePallud?f_ri=1361","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_76062847 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="76062847"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 76062847, container: ".js-paper-rank-work_76062847", }); 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However, it is still unknown if cropping using soil systems could be sustainable in a Martian greenhouse under a gravity of 0.38g. The most challenging aspects are linked to the gravity-induced soil water flow; because water is crucial in driving nutrient and oxygen transport in both liquid and gaseous phases, a gravitational acceleration lower than g = 9.806 m s À2 could lead to suffocation of microorganisms and roots, with concomitant emissions of toxic gases. The effect of Martian gravity on soil processes was investigated using a highly mechanistic model previously tested for terrestrial crops that couples soil hydraulics and nutrient biogeochemistry. Net leaching of NO À 3 solute, gaseous fluxes of NH 3 , CO 2 , N 2 O, NO and N 2 , depth concentrations of O 2 , CO 2 and dissolved organic carbon (DOC), and pH in the root zone were calculated for a bioregenerative cropping unit under gravitational acceleration of Earth and for its homologous on Mars, but under 0.38g. The two cropping units were treated with the same fertilizer type and rate, and with the same irrigation regime, but under different initial soil moisture content. Martian gravity reduced water and solute leaching by about 90% compared to Earth. This higher water holding capacity in soil under Martian gravity led to moisture content and nutrient concentrations that favoured the metabolism of various microbial functional groups, whose density increased by 5-10% on Mars as compared to Earth. Denitrification rates became substantially more important than on Earth and ultimately resulted in 60%, 200% and 1200% higher emissions of NO, N 2 O and N 2 gases, respectively. Similarly, O 2 and DOC were consumed more rapidly in the Martian soil and resulted in about 10% increase in CO 2 emissions. More generally, Martian cropping would require 90% less water for irrigation than on Earth, being therefore favourable for water recycling treatment; in addition, a substantially lower nutrient supply from external sources such as fertilizers would not compromise nutrient delivery to soil microorganisms, but would reduce the large N gas emissions observed in this study.","downloadable_attachments":[{"id":83747995,"asset_id":76062847,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":111880114,"first_name":"Celine","last_name":"Pallud","domain_name":"ucberkeley","page_name":"CelinePallud","display_name":"Celine Pallud","profile_url":"https://ucberkeley.academia.edu/CelinePallud?f_ri=1361","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":60,"name":"Mechanical Engineering","url":"https://www.academia.edu/Documents/in/Mechanical_Engineering?f_ri=1361","nofollow":true},{"id":88,"name":"Aerospace Engineering","url":"https://www.academia.edu/Documents/in/Aerospace_Engineering?f_ri=1361","nofollow":true},{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=1361","nofollow":true},{"id":10225,"name":"Agriculture","url":"https://www.academia.edu/Documents/in/Agriculture?f_ri=1361","nofollow":true},{"id":11643,"name":"Carbon Sequestration","url":"https://www.academia.edu/Documents/in/Carbon_Sequestration?f_ri=1361"},{"id":62320,"name":"Dynamics","url":"https://www.academia.edu/Documents/in/Dynamics?f_ri=1361"},{"id":65140,"name":"Models","url":"https://www.academia.edu/Documents/in/Models?f_ri=1361"},{"id":79394,"name":"Gravity","url":"https://www.academia.edu/Documents/in/Gravity?f_ri=1361"},{"id":112950,"name":"Denitrification","url":"https://www.academia.edu/Documents/in/Denitrification?f_ri=1361"},{"id":133176,"name":"Moisture","url":"https://www.academia.edu/Documents/in/Moisture?f_ri=1361"},{"id":251645,"name":"Microbial Biomass","url":"https://www.academia.edu/Documents/in/Microbial_Biomass?f_ri=1361"},{"id":280134,"name":"Microorganisms","url":"https://www.academia.edu/Documents/in/Microorganisms?f_ri=1361"},{"id":354794,"name":"Greenhouse gases","url":"https://www.academia.edu/Documents/in/Greenhouse_gases?f_ri=1361"},{"id":485667,"name":"Moisture Content","url":"https://www.academia.edu/Documents/in/Moisture_Content?f_ri=1361"},{"id":486635,"name":"Dissolved Organic Carbon","url":"https://www.academia.edu/Documents/in/Dissolved_Organic_Carbon?f_ri=1361"},{"id":519926,"name":"Functional Group","url":"https://www.academia.edu/Documents/in/Functional_Group?f_ri=1361"},{"id":908385,"name":"Long Term","url":"https://www.academia.edu/Documents/in/Long_Term?f_ri=1361"},{"id":2516464,"name":"Nutrient Concentration","url":"https://www.academia.edu/Documents/in/Nutrient_Concentration?f_ri=1361"},{"id":3101694,"name":"CO Emission","url":"https://www.academia.edu/Documents/in/CO_Emission?f_ri=1361"},{"id":4009956,"name":"nutrient cycle","url":"https://www.academia.edu/Documents/in/nutrient_cycle?f_ri=1361"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_12046469" data-work_id="12046469" 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/12046469/Sediment_related_distribution_patterns_of_nematodes_and_macrofauna_Two_sides_of_the_benthic_coin">Sediment-related distribution patterns of nematodes and macrofauna: Two sides of the benthic coin?</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 investigated the sediment-related distribution of both nematodes and macrofauna on the Belgian part of the North Sea (Southern Bight of the North Sea) in order to evaluate whether both faunal groups reflect similar patterns in... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_12046469" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">We investigated the sediment-related distribution of both nematodes and macrofauna on the Belgian part of the North Sea (Southern Bight of the North Sea) in order to evaluate whether both faunal groups reflect similar patterns in community composition and diversity. Fine-grained sediments (median grain size <200 mm) were inhabited by nematode communities characterised by a low diversity and dominated by non-selective deposit-feeding nematodes. Nematode communities from coarser sediments were significantly different in terms of community composition and diversity. Moreover, all nematode feeding types were present in coarser sediments. These differences were explained by the contrasting biogeochemical processes prevailing in both sediment types, rather than granulometry and food availability per se. Macrofaunal distribution patterns were different from those of the nematode communities and seem to be related to water column processes (SPM loading, food availability, hydrodynamic stress) that promote the establishment of diverse communities in the coarser sediments but not in the finest sediments. This suggests that data on nematodes and macrofauna reveal different, complementary aspects of the factors structuring the benthic ecosystem that can be of importance in assessing the ecological status of the seafloor.</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/12046469" 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="059929b44e13133ac430afc883e4dd45" rel="nofollow" data-download="{"attachment_id":46394338,"asset_id":12046469,"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/46394338/download_file?st=MTc0MDkyNTI2MSw4LjIyMi4yMDguMTQ2&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="30025256" href="https://independent.academia.edu/JanVanaverbeke">Jan Vanaverbeke</a><script data-card-contents-for-user="30025256" type="text/json">{"id":30025256,"first_name":"Jan","last_name":"Vanaverbeke","domain_name":"independent","page_name":"JanVanaverbeke","display_name":"Jan Vanaverbeke","profile_url":"https://independent.academia.edu/JanVanaverbeke?f_ri=1361","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_12046469 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="12046469"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 12046469, container: ".js-paper-rank-work_12046469", }); 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Fine-grained sediments (median grain size \u003c200 mm) were inhabited by nematode communities characterised by a low diversity and dominated by non-selective deposit-feeding nematodes. Nematode communities from coarser sediments were significantly different in terms of community composition and diversity. Moreover, all nematode feeding types were present in coarser sediments. These differences were explained by the contrasting biogeochemical processes prevailing in both sediment types, rather than granulometry and food availability per se. Macrofaunal distribution patterns were different from those of the nematode communities and seem to be related to water column processes (SPM loading, food availability, hydrodynamic stress) that promote the establishment of diverse communities in the coarser sediments but not in the finest sediments. This suggests that data on nematodes and macrofauna reveal different, complementary aspects of the factors structuring the benthic ecosystem that can be of importance in assessing the ecological status of the seafloor.","downloadable_attachments":[{"id":46394338,"asset_id":12046469,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":30025256,"first_name":"Jan","last_name":"Vanaverbeke","domain_name":"independent","page_name":"JanVanaverbeke","display_name":"Jan Vanaverbeke","profile_url":"https://independent.academia.edu/JanVanaverbeke?f_ri=1361","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=1361","nofollow":true},{"id":11417,"name":"Population Dynamics","url":"https://www.academia.edu/Documents/in/Population_Dynamics?f_ri=1361","nofollow":true},{"id":17825,"name":"Biodiversity","url":"https://www.academia.edu/Documents/in/Biodiversity?f_ri=1361","nofollow":true},{"id":18844,"name":"Marine And Environmental Pollution","url":"https://www.academia.edu/Documents/in/Marine_And_Environmental_Pollution?f_ri=1361","nofollow":true},{"id":47884,"name":"Biological Sciences","url":"https://www.academia.edu/Documents/in/Biological_Sciences?f_ri=1361"},{"id":58054,"name":"Environmental Sciences","url":"https://www.academia.edu/Documents/in/Environmental_Sciences?f_ri=1361"},{"id":109828,"name":"Fauna","url":"https://www.academia.edu/Documents/in/Fauna?f_ri=1361"},{"id":155340,"name":"Sediments","url":"https://www.academia.edu/Documents/in/Sediments?f_ri=1361"},{"id":186099,"name":"Grain size","url":"https://www.academia.edu/Documents/in/Grain_size?f_ri=1361"},{"id":192294,"name":"Sediment","url":"https://www.academia.edu/Documents/in/Sediment?f_ri=1361"},{"id":192581,"name":"Food Availability","url":"https://www.academia.edu/Documents/in/Food_Availability?f_ri=1361"},{"id":236377,"name":"Spatial Distribution","url":"https://www.academia.edu/Documents/in/Spatial_Distribution?f_ri=1361"},{"id":260118,"name":"CHEMICAL SCIENCES","url":"https://www.academia.edu/Documents/in/CHEMICAL_SCIENCES?f_ri=1361"},{"id":322539,"name":"Benthos","url":"https://www.academia.edu/Documents/in/Benthos?f_ri=1361"},{"id":373754,"name":"Ecosystem","url":"https://www.academia.edu/Documents/in/Ecosystem?f_ri=1361"},{"id":377566,"name":"Aquatic organisms","url":"https://www.academia.edu/Documents/in/Aquatic_organisms?f_ri=1361"},{"id":529173,"name":"Nematoda","url":"https://www.academia.edu/Documents/in/Nematoda?f_ri=1361"},{"id":531422,"name":"North Sea","url":"https://www.academia.edu/Documents/in/North_Sea?f_ri=1361"},{"id":1006903,"name":"Community Composition","url":"https://www.academia.edu/Documents/in/Community_Composition?f_ri=1361"},{"id":1033644,"name":"Factor structure","url":"https://www.academia.edu/Documents/in/Factor_structure?f_ri=1361"},{"id":1256666,"name":"Geologic Sediments","url":"https://www.academia.edu/Documents/in/Geologic_Sediments?f_ri=1361"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_24423572" data-work_id="24423572" 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/24423572/Controls_on_soil_carbon_storage_and_turnover_in_German_landscapes">Controls on soil carbon storage and turnover in German landscapes</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">management, while its turnover could not be explained with the studied soil properties. Soil OC storage and turnover in the two LFs is influenced by land use (forest or grassland) and management, but ecosystem specific lag-times have to... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_24423572" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">management, while its turnover could not be explained with the studied soil properties. Soil OC storage and turnover in the two LFs is influenced by land use (forest or grassland) and management, but ecosystem specific lag-times have to be considered for modelling OC turnover in these fractions.</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/24423572" 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="33ed45973a8cd49d997dab107fcb7f1a" rel="nofollow" data-download="{"attachment_id":44754406,"asset_id":24423572,"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/44754406/download_file?st=MTc0MDkyNTI2MSw4LjIyMi4yMDguMTQ2&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="47085699" href="https://independent.academia.edu/BeateMichalzik">Beate Michalzik</a><script data-card-contents-for-user="47085699" type="text/json">{"id":47085699,"first_name":"Beate","last_name":"Michalzik","domain_name":"independent","page_name":"BeateMichalzik","display_name":"Beate Michalzik","profile_url":"https://independent.academia.edu/BeateMichalzik?f_ri=1361","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_24423572 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="24423572"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 24423572, container: ".js-paper-rank-work_24423572", }); 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Soil OC storage and turnover in the two LFs is influenced by land use (forest or grassland) and management, but ecosystem specific lag-times have to be considered for modelling OC turnover in these fractions.","downloadable_attachments":[{"id":44754406,"asset_id":24423572,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":47085699,"first_name":"Beate","last_name":"Michalzik","domain_name":"independent","page_name":"BeateMichalzik","display_name":"Beate Michalzik","profile_url":"https://independent.academia.edu/BeateMichalzik?f_ri=1361","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":407,"name":"Geochemistry","url":"https://www.academia.edu/Documents/in/Geochemistry?f_ri=1361","nofollow":true},{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=1361","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_57193019" data-work_id="57193019" 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/57193019/Inherent_optical_property_inversion_of_ocean_color_spectra_and_its_biogeochemical_interpretation_1_Time_series_from_the_Sargasso_Sea">Inherent optical property inversion of ocean color spectra and its biogeochemical interpretation: 1. Time series from the Sargasso Sea</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 nonlinear statistical method for the inversion of ocean color spectra is used to determine three inherent optical properties (IOPs), the absorption coefficients for phytoplankton and dissolved and detrital materials, and the... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_57193019" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">A nonlinear statistical method for the inversion of ocean color spectra is used to determine three inherent optical properties (IOPs), the absorption coefficients for phytoplankton and dissolved and detrital materials, and the backscattering coefficient due to particulates. The inherent optical property inversion model assumes that (1) the relationship between remotesensing reflectance and backscattering and absorption is well known, (2) the optical coefficients for pure water are known, and (3) the spectral shapes of the specific absorption coefficients for phytoplankton and dissolved and detrital materials and the specific backscattering coefficient for particulates are known. This leaves the magnitudes for the three unknown coefficients to be determined. A sensitivity analysis is conducted to determine the best IOP model configuration for the Sargasso Sea using existing bio-optical models. The optical and biogeochemical measurements used were collected as part of the Bermuda Bio-Optics Project and the U.S. Joint Global Ocean Flux Study Bermuda Atlantic Time Series (BATS). The results demonstrate that the lOP ......... ' mouc• is most sensitive to-' ....... useu to mourn changes in me exponential decay constant .............. absorption by dissolved and detrital materials. The retrieved chlorophyll a estimates show excellent correspondence to chlorophyll a determinations (r 2 = 81%), similar to estimates from standard band ratio pigment algorithms, while providing two additional retrievals simultaneously. The temporal signal of retrieved estimates of absorption by colored dissolved and detrital materials is mirrored in ratios of Kd(410) to Kd(488), a qualitative indicator for nonalgal light attenuation coefficients. The backscatter coefficient for particles is nearly constant in time and shows no correspondence with the temporal signal observed for chlorophyll a concentrations. Last, the IOP model is evaluated using only those wavelengths which closely match the Sea Viewing Wide Field of View Sensor wave bands. This results in only a 1 to 6% decrease in hindcast skill with the BATS biogeochemical data set. This is encouraging for the long-range goal of applying the IOP model to data from upcoming ocean color satellite missions. the inversion of ocean color spectra to produce three relevant inherent optical properties (IOPs) for the analysis of biogeochemical variability: the absorption coefficient by phytoplankton, the absorption coefficient by dissolved and detrital materials, and the backscattering coefficient due to Copyright 1997 by the American Geophysical Union. Paper number 96JC03243. 0148-0227/97/96JC-03243509.00 particulates. Methods to invert ocean color observations, such as those employed here, have been extensively explored by Morel and Prieur [1977], Sugihara et al. [1985], Sathyendranath et al. [1989], Gordon et al. [1988], and Roeslet and Perry [1995]. The color of the sea will be related to those photons which are backscattered from within the water column and are not absorbed before entering the atmosphere. Hence changes in the total absorption coefficient, a(;L) (notation list is provided), and the backscattering coefficient, b b (;L), regulate the variations in ocean color spectra or remotely sensed reflectance [Rrs(•.)], where Rrs(•.) is defined as the ratio of upwelled radiance to downwelled irradiance (=Lu(•.)/Ed(•.)). Values of a(;L) an be effectively partitioned into absorption due to water, phytoplankton, and nonalgal materials [e.g.,</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/57193019" 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="ff982b6d97ce9265f3e04e1dc0aade0c" rel="nofollow" data-download="{"attachment_id":72211419,"asset_id":57193019,"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/72211419/download_file?st=MTc0MDkyNTI2MSw4LjIyMi4yMDguMTQ2&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="51671699" href="https://calpolypomona.academia.edu/SaraGarver">Sara Garver</a><script data-card-contents-for-user="51671699" type="text/json">{"id":51671699,"first_name":"Sara","last_name":"Garver","domain_name":"calpolypomona","page_name":"SaraGarver","display_name":"Sara Garver","profile_url":"https://calpolypomona.academia.edu/SaraGarver?f_ri=1361","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_57193019 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="57193019"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 57193019, container: ".js-paper-rank-work_57193019", }); 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$(".js-view-count[data-work-id=57193019]").text(description); $(".js-view-count-work_57193019").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_57193019").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="57193019"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">20</a>  </div><span class="InlineList-item-text u-textTruncate u-pl10x"><a class="InlineList-item-text" data-has-card-for-ri="1252" rel="nofollow" href="https://www.academia.edu/Documents/in/Remote_Sensing">Remote Sensing</a>, <script data-card-contents-for-ri="1252" type="text/json">{"id":1252,"name":"Remote Sensing","url":"https://www.academia.edu/Documents/in/Remote_Sensing?f_ri=1361","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=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="4456" rel="nofollow" href="https://www.academia.edu/Documents/in/Time_Series">Time Series</a>, <script data-card-contents-for-ri="4456" type="text/json">{"id":4456,"name":"Time Series","url":"https://www.academia.edu/Documents/in/Time_Series?f_ri=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="20099" rel="nofollow" href="https://www.academia.edu/Documents/in/Sensitivity_Analysis">Sensitivity Analysis</a><script data-card-contents-for-ri="20099" type="text/json">{"id":20099,"name":"Sensitivity Analysis","url":"https://www.academia.edu/Documents/in/Sensitivity_Analysis?f_ri=1361","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=57193019]'), work: {"id":57193019,"title":"Inherent optical property inversion of ocean color spectra and its biogeochemical interpretation: 1. Time series from the Sargasso Sea","created_at":"2021-10-11T06:46:40.173-07:00","url":"https://www.academia.edu/57193019/Inherent_optical_property_inversion_of_ocean_color_spectra_and_its_biogeochemical_interpretation_1_Time_series_from_the_Sargasso_Sea?f_ri=1361","dom_id":"work_57193019","summary":"A nonlinear statistical method for the inversion of ocean color spectra is used to determine three inherent optical properties (IOPs), the absorption coefficients for phytoplankton and dissolved and detrital materials, and the backscattering coefficient due to particulates. The inherent optical property inversion model assumes that (1) the relationship between remotesensing reflectance and backscattering and absorption is well known, (2) the optical coefficients for pure water are known, and (3) the spectral shapes of the specific absorption coefficients for phytoplankton and dissolved and detrital materials and the specific backscattering coefficient for particulates are known. This leaves the magnitudes for the three unknown coefficients to be determined. A sensitivity analysis is conducted to determine the best IOP model configuration for the Sargasso Sea using existing bio-optical models. The optical and biogeochemical measurements used were collected as part of the Bermuda Bio-Optics Project and the U.S. Joint Global Ocean Flux Study Bermuda Atlantic Time Series (BATS). The results demonstrate that the lOP ......... ' mouc• is most sensitive to-' ....... useu to mourn changes in me exponential decay constant .............. absorption by dissolved and detrital materials. The retrieved chlorophyll a estimates show excellent correspondence to chlorophyll a determinations (r 2 = 81%), similar to estimates from standard band ratio pigment algorithms, while providing two additional retrievals simultaneously. The temporal signal of retrieved estimates of absorption by colored dissolved and detrital materials is mirrored in ratios of Kd(410) to Kd(488), a qualitative indicator for nonalgal light attenuation coefficients. The backscatter coefficient for particles is nearly constant in time and shows no correspondence with the temporal signal observed for chlorophyll a concentrations. Last, the IOP model is evaluated using only those wavelengths which closely match the Sea Viewing Wide Field of View Sensor wave bands. This results in only a 1 to 6% decrease in hindcast skill with the BATS biogeochemical data set. This is encouraging for the long-range goal of applying the IOP model to data from upcoming ocean color satellite missions. the inversion of ocean color spectra to produce three relevant inherent optical properties (IOPs) for the analysis of biogeochemical variability: the absorption coefficient by phytoplankton, the absorption coefficient by dissolved and detrital materials, and the backscattering coefficient due to Copyright 1997 by the American Geophysical Union. Paper number 96JC03243. 0148-0227/97/96JC-03243509.00 particulates. Methods to invert ocean color observations, such as those employed here, have been extensively explored by Morel and Prieur [1977], Sugihara et al. [1985], Sathyendranath et al. [1989], Gordon et al. [1988], and Roeslet and Perry [1995]. The color of the sea will be related to those photons which are backscattered from within the water column and are not absorbed before entering the atmosphere. Hence changes in the total absorption coefficient, a(;L) (notation list is provided), and the backscattering coefficient, b b (;L), regulate the variations in ocean color spectra or remotely sensed reflectance [Rrs(•.)], where Rrs(•.) is defined as the ratio of upwelled radiance to downwelled irradiance (=Lu(•.)/Ed(•.)). Values of a(;L) an be effectively partitioned into absorption due to water, phytoplankton, and nonalgal materials [e.g.,","downloadable_attachments":[{"id":72211419,"asset_id":57193019,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":51671699,"first_name":"Sara","last_name":"Garver","domain_name":"calpolypomona","page_name":"SaraGarver","display_name":"Sara Garver","profile_url":"https://calpolypomona.academia.edu/SaraGarver?f_ri=1361","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":1252,"name":"Remote Sensing","url":"https://www.academia.edu/Documents/in/Remote_Sensing?f_ri=1361","nofollow":true},{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=1361","nofollow":true},{"id":4456,"name":"Time Series","url":"https://www.academia.edu/Documents/in/Time_Series?f_ri=1361","nofollow":true},{"id":20099,"name":"Sensitivity Analysis","url":"https://www.academia.edu/Documents/in/Sensitivity_Analysis?f_ri=1361","nofollow":true},{"id":28235,"name":"Multidisciplinary","url":"https://www.academia.edu/Documents/in/Multidisciplinary?f_ri=1361"},{"id":65140,"name":"Models","url":"https://www.academia.edu/Documents/in/Models?f_ri=1361"},{"id":76714,"name":"Color","url":"https://www.academia.edu/Documents/in/Color?f_ri=1361"},{"id":148995,"name":"Long Range","url":"https://www.academia.edu/Documents/in/Long_Range?f_ri=1361"},{"id":173074,"name":"Ocean Color","url":"https://www.academia.edu/Documents/in/Ocean_Color?f_ri=1361"},{"id":213950,"name":"Inverse Problem","url":"https://www.academia.edu/Documents/in/Inverse_Problem?f_ri=1361"},{"id":314103,"name":"Inverse Modeling","url":"https://www.academia.edu/Documents/in/Inverse_Modeling?f_ri=1361"},{"id":411513,"name":"Geophysical","url":"https://www.academia.edu/Documents/in/Geophysical?f_ri=1361"},{"id":923821,"name":"Inherent Optical Properties","url":"https://www.academia.edu/Documents/in/Inherent_Optical_Properties?f_ri=1361"},{"id":1140559,"name":"Field of View","url":"https://www.academia.edu/Documents/in/Field_of_View?f_ri=1361"},{"id":1431418,"name":"Chlorophyll a","url":"https://www.academia.edu/Documents/in/Chlorophyll_a?f_ri=1361"},{"id":1914073,"name":"Light Attenuation","url":"https://www.academia.edu/Documents/in/Light_Attenuation?f_ri=1361"},{"id":2522692,"name":"Backscattering","url":"https://www.academia.edu/Documents/in/Backscattering?f_ri=1361"},{"id":3835050,"name":"Exponential Decay","url":"https://www.academia.edu/Documents/in/Exponential_Decay?f_ri=1361"},{"id":3910163,"name":"Statistical Method","url":"https://www.academia.edu/Documents/in/Statistical_Method?f_ri=1361"},{"id":4023440,"name":"Biogeochemical Cycle","url":"https://www.academia.edu/Documents/in/Biogeochemical_Cycle?f_ri=1361"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_13586476" data-work_id="13586476" 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/13586476/Trends_in_Dissolved_Organic_Carbon_in_UK_Rivers_and_Lakes">Trends in Dissolved Organic Carbon in UK Rivers and Lakes</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Several studies have highlighted an increase in DOC concentration in streams and lakes of UK upland catchments though the causal mechanisms controlling the increase have yet to be fully explained. This study, compiles a comprehensive data... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_13586476" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Several studies have highlighted an increase in DOC concentration in streams and lakes of UK upland catchments though the causal mechanisms controlling the increase have yet to be fully explained. This study, compiles a comprehensive data set of DOC concentration records for UK catchments to evaluate trends and test whether observed increases are ubiquitous over time and space. The study analysed monthly DOC time series from 198 sites, including 29 lakes, 8 water supply reservoirs and 161 rivers. The records vary in length from 8 to 42 years going back as far as 1961. Of the 198 sites, 153 (77%) show an upward trend in DOC concentration significant at the 95% level, the remaining 45 (23%) show no significant trend and no sites show a significant decrease in DOC concentration. The average annual increase in DOC concentration was 0.17 mg C/l/year. The dataset shows: (i) a spatial consistent upward trend in the DOC concentration independent of regional effects of rainfall, acid and nitrogen deposition, and local effects of land-use change; (ii) a temporally consistent increase in DOC concentration for period back as far as the 1960s; (iii) the increase in DOC concentration means an estimated DOC flux from the UK as 0.86 Mt C for the year 2002 and is increasing at 0.02 Mt C/year. Possible reasons for the increasing DOC concentration 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/13586476" 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="0c9b52bfe44aaefa4b7373f57a79fbfd" rel="nofollow" data-download="{"attachment_id":45183988,"asset_id":13586476,"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/45183988/download_file?st=MTc0MDkyNTI2MSw4LjIyMi4yMDguMTQ2&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="32764491" href="https://independent.academia.edu/ColinNeal1">Colin Neal</a><script data-card-contents-for-user="32764491" type="text/json">{"id":32764491,"first_name":"Colin","last_name":"Neal","domain_name":"independent","page_name":"ColinNeal1","display_name":"Colin Neal","profile_url":"https://independent.academia.edu/ColinNeal1?f_ri=1361","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_13586476 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="13586476"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 13586476, container: ".js-paper-rank-work_13586476", }); 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$(".js-view-count[data-work-id=13586476]").text(description); $(".js-view-count-work_13586476").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_13586476").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="13586476"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">9</a>  </div><span class="InlineList-item-text u-textTruncate u-pl9x"><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=1361","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=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="1512" rel="nofollow" href="https://www.academia.edu/Documents/in/Climate_Change">Climate Change</a>, <script data-card-contents-for-ri="1512" type="text/json">{"id":1512,"name":"Climate Change","url":"https://www.academia.edu/Documents/in/Climate_Change?f_ri=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="4456" rel="nofollow" href="https://www.academia.edu/Documents/in/Time_Series">Time Series</a><script data-card-contents-for-ri="4456" type="text/json">{"id":4456,"name":"Time Series","url":"https://www.academia.edu/Documents/in/Time_Series?f_ri=1361","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=13586476]'), work: {"id":13586476,"title":"Trends in Dissolved Organic Carbon in UK Rivers and Lakes","created_at":"2015-07-03T06:53:05.104-07:00","url":"https://www.academia.edu/13586476/Trends_in_Dissolved_Organic_Carbon_in_UK_Rivers_and_Lakes?f_ri=1361","dom_id":"work_13586476","summary":"Several studies have highlighted an increase in DOC concentration in streams and lakes of UK upland catchments though the causal mechanisms controlling the increase have yet to be fully explained. This study, compiles a comprehensive data set of DOC concentration records for UK catchments to evaluate trends and test whether observed increases are ubiquitous over time and space. The study analysed monthly DOC time series from 198 sites, including 29 lakes, 8 water supply reservoirs and 161 rivers. The records vary in length from 8 to 42 years going back as far as 1961. Of the 198 sites, 153 (77%) show an upward trend in DOC concentration significant at the 95% level, the remaining 45 (23%) show no significant trend and no sites show a significant decrease in DOC concentration. The average annual increase in DOC concentration was 0.17 mg C/l/year. The dataset shows: (i) a spatial consistent upward trend in the DOC concentration independent of regional effects of rainfall, acid and nitrogen deposition, and local effects of land-use change; (ii) a temporally consistent increase in DOC concentration for period back as far as the 1960s; (iii) the increase in DOC concentration means an estimated DOC flux from the UK as 0.86 Mt C for the year 2002 and is increasing at 0.02 Mt C/year. Possible reasons for the increasing DOC concentration are discussed.","downloadable_attachments":[{"id":45183988,"asset_id":13586476,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":32764491,"first_name":"Colin","last_name":"Neal","domain_name":"independent","page_name":"ColinNeal1","display_name":"Colin Neal","profile_url":"https://independent.academia.edu/ColinNeal1?f_ri=1361","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":407,"name":"Geochemistry","url":"https://www.academia.edu/Documents/in/Geochemistry?f_ri=1361","nofollow":true},{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=1361","nofollow":true},{"id":1512,"name":"Climate Change","url":"https://www.academia.edu/Documents/in/Climate_Change?f_ri=1361","nofollow":true},{"id":4456,"name":"Time Series","url":"https://www.academia.edu/Documents/in/Time_Series?f_ri=1361","nofollow":true},{"id":43996,"name":"Land Use Change","url":"https://www.academia.edu/Documents/in/Land_Use_Change?f_ri=1361"},{"id":64055,"name":"Water Supply","url":"https://www.academia.edu/Documents/in/Water_Supply?f_ri=1361"},{"id":131420,"name":"Nitrogen deposition","url":"https://www.academia.edu/Documents/in/Nitrogen_deposition?f_ri=1361"},{"id":151091,"name":"Nitrogen","url":"https://www.academia.edu/Documents/in/Nitrogen?f_ri=1361"},{"id":486635,"name":"Dissolved Organic Carbon","url":"https://www.academia.edu/Documents/in/Dissolved_Organic_Carbon?f_ri=1361"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_13840155 coauthored" data-work_id="13840155" 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/13840155/Potential_nitrogen_and_carbon_processing_in_a_landscape_rich_in_milldam_legacy_sediments">Potential nitrogen and carbon processing in a landscape rich in milldam legacy sediments</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Recent identification of the widespread distribution of legacy sediments deposited in historic mill ponds has increased concern regarding their role in controlling land-water nutrient transfers in the mid-Atlantic region of the US. At Big... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_13840155" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Recent identification of the widespread distribution of legacy sediments deposited in historic mill ponds has increased concern regarding their role in controlling land-water nutrient transfers in the mid-Atlantic region of the US. At Big Spring Run in Lancaster, Pennsylvania, legacy sediments now overlay a buried relict hydric soil (a former wetland soil). We compared C and N processing in legacy sediment to upland soils to identify soil zones that may be sources or sinks for N transported toward streams. We hypothesized that legacy sediments would have high nitrification rates (due to recent agricultural N inputs), while relict hydric soils buried beneath the legacy sediments would be N sinks revealed via negative net nitrification and/or positive denitrification (because the buried former wetland soils are C rich but low in O 2 ). Potential net nitrification ranged from 9.2 to 77.9 g m -2 year -1 and potential C mineralization ranged from 223 to 1,737 g m -2 year -1 , with the highest rates in surface soils for both legacy sediments and uplands. Potential denitrification ranged from 0.37 to 21.72 g m -2 year -1 , with the buried relict hydric soils denitrifying an average of 6.2 g m -2 year -1 . Contrary to our hypothesis, relict hydric layers did not have negative potential nitrification or high positive potential denitrification rates, in part because microbial activity was low relative to surface soils, as indicated by low nitrifier population activity, low Electronic supplementary material The online version of this article (</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/13840155" 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="2f3a7a75cceaac1d7f71e4d00c4833e8" rel="nofollow" data-download="{"attachment_id":44892217,"asset_id":13840155,"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/44892217/download_file?st=MTc0MDkyNTI2MSw4LjIyMi4yMDguMTQ2&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="32911584" href="https://independent.academia.edu/PaulMayer3">Paul Mayer</a><script data-card-contents-for-user="32911584" type="text/json">{"id":32911584,"first_name":"Paul","last_name":"Mayer","domain_name":"independent","page_name":"PaulMayer3","display_name":"Paul Mayer","profile_url":"https://independent.academia.edu/PaulMayer3?f_ri=1361","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-13840155">+2</span><div class="hidden js-additional-users-13840155"><div><span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a href="https://independent.academia.edu/KennethForshay">Kenneth Forshay</a></span></div><div><span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a href="https://personal-psu.academia.edu/JulieWeitzman">Julie Weitzman</a></span></div></div></span><script>(function(){ var popoverSettings = { el: $('.js-work-more-authors-13840155'), placement: 'bottom', hide_delay: 200, html: true, content: function(){ return $('.js-additional-users-13840155').html(); } } new HoverPopover(popoverSettings); })();</script></li><li class="js-paper-rank-work_13840155 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="13840155"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 13840155, container: ".js-paper-rank-work_13840155", }); });</script></li><li class="js-percentile-work_13840155 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 = 13840155; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_13840155"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_13840155 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="13840155"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 13840155; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=13840155]").text(description); $(".js-view-count-work_13840155").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_13840155").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="13840155"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">2</a>  </div><span class="InlineList-item-text u-textTruncate u-pl9x"><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=1361","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=1361","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=13840155]'), work: {"id":13840155,"title":"Potential nitrogen and carbon processing in a landscape rich in milldam legacy sediments","created_at":"2015-07-09T07:12:36.054-07:00","url":"https://www.academia.edu/13840155/Potential_nitrogen_and_carbon_processing_in_a_landscape_rich_in_milldam_legacy_sediments?f_ri=1361","dom_id":"work_13840155","summary":"Recent identification of the widespread distribution of legacy sediments deposited in historic mill ponds has increased concern regarding their role in controlling land-water nutrient transfers in the mid-Atlantic region of the US. At Big Spring Run in Lancaster, Pennsylvania, legacy sediments now overlay a buried relict hydric soil (a former wetland soil). We compared C and N processing in legacy sediment to upland soils to identify soil zones that may be sources or sinks for N transported toward streams. We hypothesized that legacy sediments would have high nitrification rates (due to recent agricultural N inputs), while relict hydric soils buried beneath the legacy sediments would be N sinks revealed via negative net nitrification and/or positive denitrification (because the buried former wetland soils are C rich but low in O 2 ). Potential net nitrification ranged from 9.2 to 77.9 g m -2 year -1 and potential C mineralization ranged from 223 to 1,737 g m -2 year -1 , with the highest rates in surface soils for both legacy sediments and uplands. Potential denitrification ranged from 0.37 to 21.72 g m -2 year -1 , with the buried relict hydric soils denitrifying an average of 6.2 g m -2 year -1 . Contrary to our hypothesis, relict hydric layers did not have negative potential nitrification or high positive potential denitrification rates, in part because microbial activity was low relative to surface soils, as indicated by low nitrifier population activity, low Electronic supplementary material The online version of this article (","downloadable_attachments":[{"id":44892217,"asset_id":13840155,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":32911584,"first_name":"Paul","last_name":"Mayer","domain_name":"independent","page_name":"PaulMayer3","display_name":"Paul Mayer","profile_url":"https://independent.academia.edu/PaulMayer3?f_ri=1361","photo":"/images/s65_no_pic.png"},{"id":32932419,"first_name":"Kenneth","last_name":"Forshay","domain_name":"independent","page_name":"KennethForshay","display_name":"Kenneth Forshay","profile_url":"https://independent.academia.edu/KennethForshay?f_ri=1361","photo":"/images/s65_no_pic.png"},{"id":33070934,"first_name":"Julie","last_name":"Weitzman","domain_name":"personal-psu","page_name":"JulieWeitzman","display_name":"Julie Weitzman","profile_url":"https://personal-psu.academia.edu/JulieWeitzman?f_ri=1361","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":407,"name":"Geochemistry","url":"https://www.academia.edu/Documents/in/Geochemistry?f_ri=1361","nofollow":true},{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=1361","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_19104780" data-work_id="19104780" 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/19104780/Orogeny_forced_terrestrial_climate_variation_during_the_late_Eocene_early_Oligocene_in_Europe">Orogeny forced terrestrial climate variation during the late Eocene-early Oligocene in Europe</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Terrestrial climatic data reflect variable and often conflicting responses to the global cooling event at the Eocene-Oligocene transition (ca. 34 Ma). Stable isotopic compositions of the tooth enamel of large, water-dependent, herbivorous... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_19104780" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Terrestrial climatic data reflect variable and often conflicting responses to the global cooling event at the Eocene-Oligocene transition (ca. 34 Ma). Stable isotopic compositions of the tooth enamel of large, water-dependent, herbivorous terrestrial mammals are investigated here to better understand the European continental climate during the late Eoceneearly Oligocene. High d 18 O PO 4 and d 13 C values reflect a semiarid climate and ecosystem in the late Eocene. In the west-southwest region of Europe, these conditions prevailed until at least 33 Ma, after which it became more humid. A similar change was recorded north of the Alpine thrust, but it occurred 2 m.y. earlier. The north and west-southwest regions show a significant offset in d 18 O PO 4 composition between 35 and 31 Ma, indicating the influence of different air trajectories with different moisture sources (Atlantic versus Tethys). This also marks the presence of an orographic height in central Europe from the latest Eocene. After 31 Ma, a large drop in d 18 O PO 4 is registered, explained by altitude-induced fractionation on meteoric water isotopic composition. The related paleoaltitude change is estimated to be 1200 m, and the uplift could have taken place along the Alpine-Dinaridic orogenic system.</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/19104780" 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="7f234349c5fd932720d6e223f9a65cdd" rel="nofollow" data-download="{"attachment_id":40434151,"asset_id":19104780,"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/40434151/download_file?st=MTc0MDkyNTI2MSw4LjIyMi4yMDguMTQ2&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="964421" href="https://independent.academia.edu/PeterOzsvart">Peter Ozsvart</a><script data-card-contents-for-user="964421" type="text/json">{"id":964421,"first_name":"Peter","last_name":"Ozsvart","domain_name":"independent","page_name":"PeterOzsvart","display_name":"Peter Ozsvart","profile_url":"https://independent.academia.edu/PeterOzsvart?f_ri=1361","photo":"https://0.academia-photos.com/964421/870739/8012304/s65_peter.ozsvart.jpg"}</script></span></span></li><li class="js-paper-rank-work_19104780 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="19104780"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 19104780, container: ".js-paper-rank-work_19104780", }); });</script></li><li class="js-percentile-work_19104780 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 = 19104780; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_19104780"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_19104780 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="19104780"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 19104780; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=19104780]").text(description); $(".js-view-count-work_19104780").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_19104780").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="19104780"><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="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=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="406" rel="nofollow" href="https://www.academia.edu/Documents/in/Geology">Geology</a>, <script data-card-contents-for-ri="406" type="text/json">{"id":406,"name":"Geology","url":"https://www.academia.edu/Documents/in/Geology?f_ri=1361","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=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="2258" rel="nofollow" href="https://www.academia.edu/Documents/in/Paleoclimatology">Paleoclimatology</a><script data-card-contents-for-ri="2258" type="text/json">{"id":2258,"name":"Paleoclimatology","url":"https://www.academia.edu/Documents/in/Paleoclimatology?f_ri=1361","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=19104780]'), work: {"id":19104780,"title":"Orogeny forced terrestrial climate variation during the late Eocene-early Oligocene in Europe","created_at":"2015-11-27T09:18:07.977-08:00","url":"https://www.academia.edu/19104780/Orogeny_forced_terrestrial_climate_variation_during_the_late_Eocene_early_Oligocene_in_Europe?f_ri=1361","dom_id":"work_19104780","summary":"Terrestrial climatic data reflect variable and often conflicting responses to the global cooling event at the Eocene-Oligocene transition (ca. 34 Ma). Stable isotopic compositions of the tooth enamel of large, water-dependent, herbivorous terrestrial mammals are investigated here to better understand the European continental climate during the late Eoceneearly Oligocene. High d 18 O PO 4 and d 13 C values reflect a semiarid climate and ecosystem in the late Eocene. In the west-southwest region of Europe, these conditions prevailed until at least 33 Ma, after which it became more humid. A similar change was recorded north of the Alpine thrust, but it occurred 2 m.y. earlier. The north and west-southwest regions show a significant offset in d 18 O PO 4 composition between 35 and 31 Ma, indicating the influence of different air trajectories with different moisture sources (Atlantic versus Tethys). This also marks the presence of an orographic height in central Europe from the latest Eocene. After 31 Ma, a large drop in d 18 O PO 4 is registered, explained by altitude-induced fractionation on meteoric water isotopic composition. The related paleoaltitude change is estimated to be 1200 m, and the uplift could have taken place along the Alpine-Dinaridic orogenic system.","downloadable_attachments":[{"id":40434151,"asset_id":19104780,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":964421,"first_name":"Peter","last_name":"Ozsvart","domain_name":"independent","page_name":"PeterOzsvart","display_name":"Peter Ozsvart","profile_url":"https://independent.academia.edu/PeterOzsvart?f_ri=1361","photo":"https://0.academia-photos.com/964421/870739/8012304/s65_peter.ozsvart.jpg"}],"research_interests":[{"id":400,"name":"Earth Sciences","url":"https://www.academia.edu/Documents/in/Earth_Sciences?f_ri=1361","nofollow":true},{"id":406,"name":"Geology","url":"https://www.academia.edu/Documents/in/Geology?f_ri=1361","nofollow":true},{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=1361","nofollow":true},{"id":2258,"name":"Paleoclimatology","url":"https://www.academia.edu/Documents/in/Paleoclimatology?f_ri=1361","nofollow":true},{"id":24375,"name":"Vertebrate Paleontology","url":"https://www.academia.edu/Documents/in/Vertebrate_Paleontology?f_ri=1361"},{"id":24495,"name":"Mammalian Paleontology","url":"https://www.academia.edu/Documents/in/Mammalian_Paleontology?f_ri=1361"},{"id":280973,"name":"Stable Carbon and Oxygen Isotopes","url":"https://www.academia.edu/Documents/in/Stable_Carbon_and_Oxygen_Isotopes?f_ri=1361"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_5851458 coauthored" data-work_id="5851458" 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/5851458/Biogeochemical_context_impacts_seawater_pH_changes_resulting_from_atmospheric_sulfur_and_nitrogen_deposition">Biogeochemical context impacts seawater pH changes resulting from atmospheric sulfur and nitrogen deposition</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Seawater acidification can be induced both by absorption of atmospheric carbon dioxide (CO2) and by atmospheric deposition of sulfur and nitrogen oxides and ammonia. Their relative significance, interplay and dependency on water-column... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_5851458" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Seawater acidification can be induced both by absorption of atmospheric carbon dioxide (CO2) and by atmospheric deposition of sulfur and nitrogen oxides and ammonia. Their relative significance, interplay and dependency on water-column biogeochemistry are not well understood. Using a simple biogeochemical model we show that the initial conditions of coastal systems are not only relevant for CO2-induced acidification, but also for additional acidification due to atmospheric acid deposition. Coastal areas undersaturated with respect to CO2 are most vulnerable to CO2-induced acidification, but are relatively least affected by additional atmospheric deposition-induced acidification. In contrast, the pH of CO2-supersaturated systems is most sensitive to atmospheric deposition. The projected increment in atmospheric CO2 by 2100 will increase the sensitivity of coastal systems to atmospheric deposition-induced acidification by up to a factor 4, but the additional annual change in proton concentration is at most 28%.</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/5851458" 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="739ab77cca6f7b57272d63b4884a05c1" rel="nofollow" data-download="{"attachment_id":36337146,"asset_id":5851458,"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/36337146/download_file?st=MTc0MDkyNTI2MSw4LjIyMi4yMDguMTQ2&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="2141228" href="https://wur.academia.edu/Mathilde_Hagens">Mathilde Hagens</a><script data-card-contents-for-user="2141228" type="text/json">{"id":2141228,"first_name":"Mathilde","last_name":"Hagens","domain_name":"wur","page_name":"Mathilde_Hagens","display_name":"Mathilde Hagens","profile_url":"https://wur.academia.edu/Mathilde_Hagens?f_ri=1361","photo":"https://0.academia-photos.com/2141228/693574/130932619/s65_mathilde.hagens.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-5851458">+2</span><div class="hidden js-additional-users-5851458"><div><span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a href="https://uu.academia.edu/JackMiddelburg">Jack Middelburg</a></span></div><div><span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a href="https://independent.academia.edu/PeterLiss">Peter Liss</a></span></div></div></span><script>(function(){ var popoverSettings = { el: $('.js-work-more-authors-5851458'), placement: 'bottom', hide_delay: 200, html: true, content: function(){ return $('.js-additional-users-5851458').html(); } } new HoverPopover(popoverSettings); })();</script></li><li class="js-paper-rank-work_5851458 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="5851458"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 5851458, container: ".js-paper-rank-work_5851458", }); });</script></li><li class="js-percentile-work_5851458 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 = 5851458; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_5851458"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_5851458 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="5851458"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 5851458; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=5851458]").text(description); $(".js-view-count-work_5851458").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_5851458").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="5851458"><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="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=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="14719" rel="nofollow" href="https://www.academia.edu/Documents/in/Carbon_Cycle">Carbon Cycle</a>, <script data-card-contents-for-ri="14719" type="text/json">{"id":14719,"name":"Carbon Cycle","url":"https://www.academia.edu/Documents/in/Carbon_Cycle?f_ri=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="68527" rel="nofollow" href="https://www.academia.edu/Documents/in/Ocean_acidification">Ocean acidification</a><script data-card-contents-for-ri="68527" type="text/json">{"id":68527,"name":"Ocean acidification","url":"https://www.academia.edu/Documents/in/Ocean_acidification?f_ri=1361","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=5851458]'), work: {"id":5851458,"title":"Biogeochemical context impacts seawater pH changes resulting from atmospheric sulfur and nitrogen deposition","created_at":"2014-01-26T21:00:10.728-08:00","url":"https://www.academia.edu/5851458/Biogeochemical_context_impacts_seawater_pH_changes_resulting_from_atmospheric_sulfur_and_nitrogen_deposition?f_ri=1361","dom_id":"work_5851458","summary":"Seawater acidification can be induced both by absorption of atmospheric carbon dioxide (CO2) and by atmospheric deposition of sulfur and nitrogen oxides and ammonia. Their relative significance, interplay and dependency on water-column biogeochemistry are not well understood. Using a simple biogeochemical model we show that the initial conditions of coastal systems are not only relevant for CO2-induced acidification, but also for additional acidification due to atmospheric acid deposition. Coastal areas undersaturated with respect to CO2 are most vulnerable to CO2-induced acidification, but are relatively least affected by additional atmospheric deposition-induced acidification. In contrast, the pH of CO2-supersaturated systems is most sensitive to atmospheric deposition. The projected increment in atmospheric CO2 by 2100 will increase the sensitivity of coastal systems to atmospheric deposition-induced acidification by up to a factor 4, but the additional annual change in proton concentration is at most 28%.","downloadable_attachments":[{"id":36337146,"asset_id":5851458,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":2141228,"first_name":"Mathilde","last_name":"Hagens","domain_name":"wur","page_name":"Mathilde_Hagens","display_name":"Mathilde Hagens","profile_url":"https://wur.academia.edu/Mathilde_Hagens?f_ri=1361","photo":"https://0.academia-photos.com/2141228/693574/130932619/s65_mathilde.hagens.jpg"},{"id":33367615,"first_name":"Jack","last_name":"Middelburg","domain_name":"uu","page_name":"JackMiddelburg","display_name":"Jack Middelburg","profile_url":"https://uu.academia.edu/JackMiddelburg?f_ri=1361","photo":"/images/s65_no_pic.png"},{"id":32172532,"first_name":"Peter","last_name":"Liss","domain_name":"independent","page_name":"PeterLiss","display_name":"Peter Liss","profile_url":"https://independent.academia.edu/PeterLiss?f_ri=1361","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=1361","nofollow":true},{"id":14719,"name":"Carbon Cycle","url":"https://www.academia.edu/Documents/in/Carbon_Cycle?f_ri=1361","nofollow":true},{"id":68527,"name":"Ocean acidification","url":"https://www.academia.edu/Documents/in/Ocean_acidification?f_ri=1361","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_45275972" data-work_id="45275972" 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/45275972/Long_term_dynamics_of_the_zooplankton_community_during_large_salinity_fluctuations_in_a_coastal_lagoon">Long-term dynamics of the zooplankton community during large salinity fluctuations in a coastal lagoon</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 coastal systems are affected by high fluctuations in salinity and the zooplankton may rely on dispersal or dormancy to recolonise these environments. Here, we analysed the long-term dynamics of the zooplankton community over 6... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_45275972" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Aquatic coastal systems are affected by high fluctuations in salinity and the zooplankton may rely on dispersal or dormancy to recolonise these environments. Here, we analysed the long-term dynamics of the zooplankton community over 6 years during large salinity fluctuations in a coastal lagoon (Garças Lagoon, Brazil) and the effect of salinity on the hatching patterns of the resting egg bank. We hypothesised that salinity is the main driving factor of the zooplankton community structure, and that increases in salinity reduce the species richness and the abundance of hatchlings. Multiple regression analysis showed that salinity was associated negatively with species richness in the open water, whereas total phosphorus and chlorophyll-a concentrations were negatively and positively related to abundance respectively. Redundancy analysis demonstrated that temporally structured environmental variables (total phosphorus and salinity) were important for zooplankton composition. Periods of...</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/45275972" 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="924e46c0ac907d7897a92a168742d3d7" rel="nofollow" data-download="{"attachment_id":65835395,"asset_id":45275972,"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/65835395/download_file?st=MTc0MDkyNTI2MSw4LjIyMi4yMDguMTQ2&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="43654064" href="https://ufrj.academia.edu/ReinaldoBozelli">Reinaldo Bozelli</a><script data-card-contents-for-user="43654064" type="text/json">{"id":43654064,"first_name":"Reinaldo","last_name":"Bozelli","domain_name":"ufrj","page_name":"ReinaldoBozelli","display_name":"Reinaldo Bozelli","profile_url":"https://ufrj.academia.edu/ReinaldoBozelli?f_ri=1361","photo":"https://gravatar.com/avatar/3e3d29d06462f7f3fa60504749c6905a?s=65"}</script></span></span></li><li class="js-paper-rank-work_45275972 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="45275972"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 45275972, container: ".js-paper-rank-work_45275972", }); 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Here, we analysed the long-term dynamics of the zooplankton community over 6 years during large salinity fluctuations in a coastal lagoon (Garças Lagoon, Brazil) and the effect of salinity on the hatching patterns of the resting egg bank. We hypothesised that salinity is the main driving factor of the zooplankton community structure, and that increases in salinity reduce the species richness and the abundance of hatchlings. Multiple regression analysis showed that salinity was associated negatively with species richness in the open water, whereas total phosphorus and chlorophyll-a concentrations were negatively and positively related to abundance respectively. Redundancy analysis demonstrated that temporally structured environmental variables (total phosphorus and salinity) were important for zooplankton composition. Periods of...","downloadable_attachments":[{"id":65835395,"asset_id":45275972,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":43654064,"first_name":"Reinaldo","last_name":"Bozelli","domain_name":"ufrj","page_name":"ReinaldoBozelli","display_name":"Reinaldo Bozelli","profile_url":"https://ufrj.academia.edu/ReinaldoBozelli?f_ri=1361","photo":"https://gravatar.com/avatar/3e3d29d06462f7f3fa60504749c6905a?s=65"}],"research_interests":[{"id":156,"name":"Genetics","url":"https://www.academia.edu/Documents/in/Genetics?f_ri=1361","nofollow":true},{"id":167,"name":"Physiology","url":"https://www.academia.edu/Documents/in/Physiology?f_ri=1361","nofollow":true},{"id":415,"name":"Oceanography","url":"https://www.academia.edu/Documents/in/Oceanography?f_ri=1361","nofollow":true},{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=1361","nofollow":true},{"id":2549,"name":"Hydrology","url":"https://www.academia.edu/Documents/in/Hydrology?f_ri=1361"},{"id":4206,"name":"Phylogeography","url":"https://www.academia.edu/Documents/in/Phylogeography?f_ri=1361"},{"id":4553,"name":"Toxicology","url":"https://www.academia.edu/Documents/in/Toxicology?f_ri=1361"},{"id":7049,"name":"Crustacea","url":"https://www.academia.edu/Documents/in/Crustacea?f_ri=1361"},{"id":7710,"name":"Biology","url":"https://www.academia.edu/Documents/in/Biology?f_ri=1361"},{"id":9846,"name":"Ecology","url":"https://www.academia.edu/Documents/in/Ecology?f_ri=1361"},{"id":28235,"name":"Multidisciplinary","url":"https://www.academia.edu/Documents/in/Multidisciplinary?f_ri=1361"},{"id":65881,"name":"FISH","url":"https://www.academia.edu/Documents/in/FISH?f_ri=1361"},{"id":80872,"name":"Scientific","url":"https://www.academia.edu/Documents/in/Scientific?f_ri=1361"},{"id":84578,"name":"Educational","url":"https://www.academia.edu/Documents/in/Educational?f_ri=1361"},{"id":107671,"name":"Plankton","url":"https://www.academia.edu/Documents/in/Plankton?f_ri=1361"},{"id":192651,"name":"Stream","url":"https://www.academia.edu/Documents/in/Stream?f_ri=1361"},{"id":249747,"name":"Coral","url":"https://www.academia.edu/Documents/in/Coral?f_ri=1361"},{"id":379570,"name":"Estuary","url":"https://www.academia.edu/Documents/in/Estuary?f_ri=1361"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_6325675" data-work_id="6325675" 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/6325675/The_application_of_biogeochemistry_for_gold_exploration_in_the_Masjed_Daghi_Julfa_NW_Iran">The application of biogeochemistry for gold exploration in the Masjed–Daghi, Julfa, NW Iran</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/6325675" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span 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class="u-tcGrayDark u-fw700" data-has-card-for-user="9839435" href="https://swin.academia.edu/FarnooshFarjandi">Farnoosh Farjandi</a><script data-card-contents-for-user="9839435" type="text/json">{"id":9839435,"first_name":"Farnoosh","last_name":"Farjandi","domain_name":"swin","page_name":"FarnooshFarjandi","display_name":"Farnoosh Farjandi","profile_url":"https://swin.academia.edu/FarnooshFarjandi?f_ri=1361","photo":"https://0.academia-photos.com/9839435/3067272/3607383/s65_farnoosh.farjandi.jpg"}</script></span></span></li><li class="js-paper-rank-work_6325675 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="6325675"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 6325675, container: ".js-paper-rank-work_6325675", }); });</script></li><li class="js-percentile-work_6325675 InlineList-item InlineList-item--bordered 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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=1361","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=6325675]'), work: {"id":6325675,"title":"The application of biogeochemistry for gold exploration in the Masjed–Daghi, Julfa, NW Iran","created_at":"2014-03-07T05:14:25.607-08:00","url":"https://www.academia.edu/6325675/The_application_of_biogeochemistry_for_gold_exploration_in_the_Masjed_Daghi_Julfa_NW_Iran?f_ri=1361","dom_id":"work_6325675","summary":null,"downloadable_attachments":[{"id":33158606,"asset_id":6325675,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":9839435,"first_name":"Farnoosh","last_name":"Farjandi","domain_name":"swin","page_name":"FarnooshFarjandi","display_name":"Farnoosh Farjandi","profile_url":"https://swin.academia.edu/FarnooshFarjandi?f_ri=1361","photo":"https://0.academia-photos.com/9839435/3067272/3607383/s65_farnoosh.farjandi.jpg"}],"research_interests":[{"id":402,"name":"Environmental Science","url":"https://www.academia.edu/Documents/in/Environmental_Science?f_ri=1361","nofollow":true},{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=1361","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_59004512" data-work_id="59004512" 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/59004512/Activity_substrate_selection_and_effect_of_a_simulated_Amazon_flood_regime_on_the_behaviour_of_the_apple_snail_Pomacea_bridgesii">Activity, substrate selection, and effect of a simulated Amazon flood regime on the behaviour of the apple snail, Pomacea bridgesii</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">This study investigated the behaviour of Pomacea bridgesii, describing the daily activity, substrate selection and the influence of the flood regime in the Amazon, the species’ native habitat. The present study described the daily... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_59004512" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">This study investigated the behaviour of Pomacea bridgesii, describing the daily activity, substrate selection and the influence of the flood regime in the Amazon, the species’ native habitat. The present study described the daily activity and substrate selection, and evaluated the activity adaptations of the gastropods in a simulated flood-pulse regime. Gastropods were collected in Amazonas, Brazil, in June 2013. Assessments of the daily behaviour, substrate selection, and flood-pulse simulation were made in experimental water tanks. The snails were observed hourly for 48h, and their behaviour recorded on an ethogram. The snails were more active during the night, when up to 80% of them moved about. In general, during both day and night, the gastropods used the pebble substrate most often. Comparing the day periods, a significant proportion of the individuals that were using the pebbles moved to other substrates (t=5; d.f.=2; P=0.03). The interaction of the behaviour of P. bridgesii...</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/59004512" 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="7c64230d6048d98ef1efcff893e18080" rel="nofollow" data-download="{"attachment_id":73142327,"asset_id":59004512,"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/73142327/download_file?st=MTc0MDkyNTI2MSw4LjIyMi4yMDguMTQ2&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="62217652" href="https://independent.academia.edu/SantAnnaBruno">Bruno Sant'Anna</a><script data-card-contents-for-user="62217652" type="text/json">{"id":62217652,"first_name":"Bruno","last_name":"Sant'Anna","domain_name":"independent","page_name":"SantAnnaBruno","display_name":"Bruno Sant'Anna","profile_url":"https://independent.academia.edu/SantAnnaBruno?f_ri=1361","photo":"https://0.academia-photos.com/62217652/19923373/19727199/s65_bruno.sant_anna.jpg"}</script></span></span></li><li class="js-paper-rank-work_59004512 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="59004512"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 59004512, container: ".js-paper-rank-work_59004512", }); 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$(".js-view-count[data-work-id=59004512]").text(description); $(".js-view-count-work_59004512").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_59004512").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="59004512"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">18</a>  </div><span class="InlineList-item-text u-textTruncate u-pl10x"><a class="InlineList-item-text" data-has-card-for-ri="156" rel="nofollow" href="https://www.academia.edu/Documents/in/Genetics">Genetics</a>, <script data-card-contents-for-ri="156" type="text/json">{"id":156,"name":"Genetics","url":"https://www.academia.edu/Documents/in/Genetics?f_ri=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="167" rel="nofollow" href="https://www.academia.edu/Documents/in/Physiology">Physiology</a>, <script data-card-contents-for-ri="167" type="text/json">{"id":167,"name":"Physiology","url":"https://www.academia.edu/Documents/in/Physiology?f_ri=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="415" rel="nofollow" href="https://www.academia.edu/Documents/in/Oceanography">Oceanography</a>, <script data-card-contents-for-ri="415" type="text/json">{"id":415,"name":"Oceanography","url":"https://www.academia.edu/Documents/in/Oceanography?f_ri=1361","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=1361","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=59004512]'), work: {"id":59004512,"title":"Activity, substrate selection, and effect of a simulated Amazon flood regime on the behaviour of the apple snail, Pomacea bridgesii","created_at":"2021-10-19T04:32:28.393-07:00","url":"https://www.academia.edu/59004512/Activity_substrate_selection_and_effect_of_a_simulated_Amazon_flood_regime_on_the_behaviour_of_the_apple_snail_Pomacea_bridgesii?f_ri=1361","dom_id":"work_59004512","summary":"This study investigated the behaviour of Pomacea bridgesii, describing the daily activity, substrate selection and the influence of the flood regime in the Amazon, the species’ native habitat. The present study described the daily activity and substrate selection, and evaluated the activity adaptations of the gastropods in a simulated flood-pulse regime. Gastropods were collected in Amazonas, Brazil, in June 2013. Assessments of the daily behaviour, substrate selection, and flood-pulse simulation were made in experimental water tanks. The snails were observed hourly for 48h, and their behaviour recorded on an ethogram. The snails were more active during the night, when up to 80% of them moved about. In general, during both day and night, the gastropods used the pebble substrate most often. Comparing the day periods, a significant proportion of the individuals that were using the pebbles moved to other substrates (t=5; d.f.=2; P=0.03). The interaction of the behaviour of P. bridgesii...","downloadable_attachments":[{"id":73142327,"asset_id":59004512,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":62217652,"first_name":"Bruno","last_name":"Sant'Anna","domain_name":"independent","page_name":"SantAnnaBruno","display_name":"Bruno Sant'Anna","profile_url":"https://independent.academia.edu/SantAnnaBruno?f_ri=1361","photo":"https://0.academia-photos.com/62217652/19923373/19727199/s65_bruno.sant_anna.jpg"}],"research_interests":[{"id":156,"name":"Genetics","url":"https://www.academia.edu/Documents/in/Genetics?f_ri=1361","nofollow":true},{"id":167,"name":"Physiology","url":"https://www.academia.edu/Documents/in/Physiology?f_ri=1361","nofollow":true},{"id":415,"name":"Oceanography","url":"https://www.academia.edu/Documents/in/Oceanography?f_ri=1361","nofollow":true},{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=1361","nofollow":true},{"id":2549,"name":"Hydrology","url":"https://www.academia.edu/Documents/in/Hydrology?f_ri=1361"},{"id":4206,"name":"Phylogeography","url":"https://www.academia.edu/Documents/in/Phylogeography?f_ri=1361"},{"id":4553,"name":"Toxicology","url":"https://www.academia.edu/Documents/in/Toxicology?f_ri=1361"},{"id":7049,"name":"Crustacea","url":"https://www.academia.edu/Documents/in/Crustacea?f_ri=1361"},{"id":7710,"name":"Biology","url":"https://www.academia.edu/Documents/in/Biology?f_ri=1361"},{"id":9846,"name":"Ecology","url":"https://www.academia.edu/Documents/in/Ecology?f_ri=1361"},{"id":28235,"name":"Multidisciplinary","url":"https://www.academia.edu/Documents/in/Multidisciplinary?f_ri=1361"},{"id":65881,"name":"FISH","url":"https://www.academia.edu/Documents/in/FISH?f_ri=1361"},{"id":80872,"name":"Scientific","url":"https://www.academia.edu/Documents/in/Scientific?f_ri=1361"},{"id":84578,"name":"Educational","url":"https://www.academia.edu/Documents/in/Educational?f_ri=1361"},{"id":107671,"name":"Plankton","url":"https://www.academia.edu/Documents/in/Plankton?f_ri=1361"},{"id":192651,"name":"Stream","url":"https://www.academia.edu/Documents/in/Stream?f_ri=1361"},{"id":249747,"name":"Coral","url":"https://www.academia.edu/Documents/in/Coral?f_ri=1361"},{"id":379570,"name":"Estuary","url":"https://www.academia.edu/Documents/in/Estuary?f_ri=1361"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_34475956" data-work_id="34475956" 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/34475956/Biodegradability_of_Humic_Substances_and_Other_Fractions_of_Decomposing_Leaf_Litter">Biodegradability of Humic Substances and Other Fractions of Decomposing Leaf Litter</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">refers to molecular-level characteristics such as elemental composition, functional groups, and molecular con-Formation of chemically resistant humic substances might be an formation that influence the inherent biodegradability important... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_34475956" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">refers to molecular-level characteristics such as elemental composition, functional groups, and molecular con-Formation of chemically resistant humic substances might be an formation that influence the inherent biodegradability important process controlling recycling of soil C to the atmosphere. of the molecule. Interactions refers to the intermolecular Humic substances are believed to be resistant to microbial decomposition because they accumulate in soil, but there is little direct experi-interactions with other inorganic or organic molecules mental evidence for their inherent recalcitrance. My objective was to that influence biodegradability-for example, complexcompare the microbial mineralization rates of the humic and fulvic ation with Al. Physical accessibility refers to the location acid fraction to other fractions of decayed plant matter in soil. Uniof the molecule with respect to enzymes or cells. For formly 14 C labeled Populus fremontii leaf litter that had decomposed example, substrates may be located in submicrometer for 180 d was fractionated into the NaOH-insoluble residue, phenolic, pores too small for microbial cells to enter (Sollins et humic acid, fulvic acid, hydrophilic acid, and hydrophilic neutral fracal., 1996). These conditions do not necessarily occur extions. Humic acid comprised 22.7% of the C in the decomposed litter.</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/34475956" 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="fd852628f690d9417d674c516e9390fb" rel="nofollow" data-download="{"attachment_id":54347725,"asset_id":34475956,"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/54347725/download_file?st=MTc0MDkyNTI2MSw4LjIyMi4yMDguMTQ2&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="48592104" href="https://independent.academia.edu/QuallsRobert">Robert Qualls</a><script data-card-contents-for-user="48592104" type="text/json">{"id":48592104,"first_name":"Robert","last_name":"Qualls","domain_name":"independent","page_name":"QuallsRobert","display_name":"Robert Qualls","profile_url":"https://independent.academia.edu/QuallsRobert?f_ri=1361","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_34475956 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="34475956"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 34475956, container: ".js-paper-rank-work_34475956", }); });</script></li><li class="js-percentile-work_34475956 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 = 34475956; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_34475956"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_34475956 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="34475956"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 34475956; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=34475956]").text(description); $(".js-view-count-work_34475956").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_34475956").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="34475956"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">18</a>  </div><span class="InlineList-item-text u-textTruncate u-pl10x"><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=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="1041" rel="nofollow" href="https://www.academia.edu/Documents/in/Forestry">Forestry</a>, <script data-card-contents-for-ri="1041" type="text/json">{"id":1041,"name":"Forestry","url":"https://www.academia.edu/Documents/in/Forestry?f_ri=1361","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=1361","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=1361","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=34475956]'), work: {"id":34475956,"title":"Biodegradability of Humic Substances and Other Fractions of Decomposing Leaf Litter","created_at":"2017-09-05T17:03:47.493-07:00","url":"https://www.academia.edu/34475956/Biodegradability_of_Humic_Substances_and_Other_Fractions_of_Decomposing_Leaf_Litter?f_ri=1361","dom_id":"work_34475956","summary":"refers to molecular-level characteristics such as elemental composition, functional groups, and molecular con-Formation of chemically resistant humic substances might be an formation that influence the inherent biodegradability important process controlling recycling of soil C to the atmosphere. of the molecule. Interactions refers to the intermolecular Humic substances are believed to be resistant to microbial decomposition because they accumulate in soil, but there is little direct experi-interactions with other inorganic or organic molecules mental evidence for their inherent recalcitrance. My objective was to that influence biodegradability-for example, complexcompare the microbial mineralization rates of the humic and fulvic ation with Al. Physical accessibility refers to the location acid fraction to other fractions of decayed plant matter in soil. Uniof the molecule with respect to enzymes or cells. For formly 14 C labeled Populus fremontii leaf litter that had decomposed example, substrates may be located in submicrometer for 180 d was fractionated into the NaOH-insoluble residue, phenolic, pores too small for microbial cells to enter (Sollins et humic acid, fulvic acid, hydrophilic acid, and hydrophilic neutral fracal., 1996). These conditions do not necessarily occur extions. Humic acid comprised 22.7% of the C in the decomposed litter.","downloadable_attachments":[{"id":54347725,"asset_id":34475956,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":48592104,"first_name":"Robert","last_name":"Qualls","domain_name":"independent","page_name":"QuallsRobert","display_name":"Robert Qualls","profile_url":"https://independent.academia.edu/QuallsRobert?f_ri=1361","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":421,"name":"Soil Science","url":"https://www.academia.edu/Documents/in/Soil_Science?f_ri=1361","nofollow":true},{"id":1041,"name":"Forestry","url":"https://www.academia.edu/Documents/in/Forestry?f_ri=1361","nofollow":true},{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=1361","nofollow":true},{"id":6414,"name":"Decomposition","url":"https://www.academia.edu/Documents/in/Decomposition?f_ri=1361","nofollow":true},{"id":9846,"name":"Ecology","url":"https://www.academia.edu/Documents/in/Ecology?f_ri=1361"},{"id":47884,"name":"Biological Sciences","url":"https://www.academia.edu/Documents/in/Biological_Sciences?f_ri=1361"},{"id":55446,"name":"Populus","url":"https://www.academia.edu/Documents/in/Populus?f_ri=1361"},{"id":58054,"name":"Environmental Sciences","url":"https://www.academia.edu/Documents/in/Environmental_Sciences?f_ri=1361"},{"id":135503,"name":"Partition","url":"https://www.academia.edu/Documents/in/Partition?f_ri=1361"},{"id":146410,"name":"Humic acid","url":"https://www.academia.edu/Documents/in/Humic_acid?f_ri=1361"},{"id":170093,"name":"Fulvic acid","url":"https://www.academia.edu/Documents/in/Fulvic_acid?f_ri=1361"},{"id":188993,"name":"Litter","url":"https://www.academia.edu/Documents/in/Litter?f_ri=1361"},{"id":311983,"name":"Macromolecule","url":"https://www.academia.edu/Documents/in/Macromolecule?f_ri=1361"},{"id":359110,"name":"Humus","url":"https://www.academia.edu/Documents/in/Humus?f_ri=1361"},{"id":569577,"name":"Biodegradability","url":"https://www.academia.edu/Documents/in/Biodegradability?f_ri=1361"},{"id":576513,"name":"Leaf Litter","url":"https://www.academia.edu/Documents/in/Leaf_Litter?f_ri=1361"},{"id":585192,"name":"Organic carbon","url":"https://www.academia.edu/Documents/in/Organic_carbon?f_ri=1361"},{"id":984993,"name":"Residence Time","url":"https://www.academia.edu/Documents/in/Residence_Time?f_ri=1361"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_6799858" data-work_id="6799858" 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/6799858/The_role_of_marine_biota_in_the_evolution_of_terrestrial_biota_Gases_and_genes">The role of marine biota in the evolution of terrestrial biota: Gases and genes</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 greater biodiversity (in the senseof genetic distance among higher taxa) ofextant marine than of terrestrialO2-evolvers. In addition tocontributing the genes from one group ofalgae (Class Charophyceae, DivisionChlorophyta) to... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_6799858" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">There is greater biodiversity (in the senseof genetic distance among higher taxa) ofextant marine than of terrestrialO2-evolvers. In addition tocontributing the genes from one group ofalgae (Class Charophyceae, DivisionChlorophyta) to produce by evolution thedominant terrestrial plants (Embryophyta),the early marine O2-evolvers greatlymodified the atmosphere and hence the landsurface when the early terrestrialO2-evolvers grew. The earliestterrestrial phototrophs (from geochemicalevidence) occurred 1.2 Ga ago, over 0.7 Gabefore the Embryophyta evolved, but wellafter the earliest marine (cyanobacterial)O2 evolvers (3.45 Ga) and marineeukaryotic O2 evolvers (2.1 Ga). Evenby the time of evolution of the earliestterrestrial O2-evolvers the marineO2-evolvers had modified the atmosphereand land environment in at least thefollowing five ways. Once photosyntheticO2 paralleling organic C burial hadsatisfied marine (Fe2+, S2-reductants, atmospheric O2 built (1) upto a considerable fraction of the extantvalue (although some was consumed inoxidising terrestrial exposed Fe2+ and(2) provided stratospheric O3 and thusa UV-screen. (3) CO2 drawdown to∼20-30times the extant level is attributableto net production, and burial, of organic Cin the oceans (plus other geologicalprocesses). Furthermore, (4) theirproduction of volatile organic S compoundscould have helped to supply S to inland sitesbut also (5) delivered Cl and Br to thestratosphere thus lowering the O3 leveland the extent of UV screening.</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/6799858" 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="cbd11b0fd81e925709f9a2e2faad5863" rel="nofollow" data-download="{"attachment_id":48717921,"asset_id":6799858,"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/48717921/download_file?st=MTc0MDkyNTI2MSw4LjIyMi4yMDguMTQ2&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="11253647" href="https://hrcollege.academia.edu/ASCOROCKS">ASCO ROCKS</a><script data-card-contents-for-user="11253647" type="text/json">{"id":11253647,"first_name":"ASCO","last_name":"ROCKS","domain_name":"hrcollege","page_name":"ASCOROCKS","display_name":"ASCO ROCKS","profile_url":"https://hrcollege.academia.edu/ASCOROCKS?f_ri=1361","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_6799858 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="6799858"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 6799858, container: ".js-paper-rank-work_6799858", }); 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In addition tocontributing the genes from one group ofalgae (Class Charophyceae, DivisionChlorophyta) to produce by evolution thedominant terrestrial plants (Embryophyta),the early marine O2-evolvers greatlymodified the atmosphere and hence the landsurface when the early terrestrialO2-evolvers grew. The earliestterrestrial phototrophs (from geochemicalevidence) occurred 1.2 Ga ago, over 0.7 Gabefore the Embryophyta evolved, but wellafter the earliest marine (cyanobacterial)O2 evolvers (3.45 Ga) and marineeukaryotic O2 evolvers (2.1 Ga). Evenby the time of evolution of the earliestterrestrial O2-evolvers the marineO2-evolvers had modified the atmosphereand land environment in at least thefollowing five ways. Once photosyntheticO2 paralleling organic C burial hadsatisfied marine (Fe2+, S2-reductants, atmospheric O2 built (1) upto a considerable fraction of the extantvalue (although some was consumed inoxidising terrestrial exposed Fe2+ and(2) provided stratospheric O3 and thusa UV-screen. (3) CO2 drawdown to∼20-30times the extant level is attributableto net production, and burial, of organic Cin the oceans (plus other geologicalprocesses). Furthermore, (4) theirproduction of volatile organic S compoundscould have helped to supply S to inland sitesbut also (5) delivered Cl and Br to thestratosphere thus lowering the O3 leveland the extent of UV screening.","downloadable_attachments":[{"id":48717921,"asset_id":6799858,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":11253647,"first_name":"ASCO","last_name":"ROCKS","domain_name":"hrcollege","page_name":"ASCOROCKS","display_name":"ASCO ROCKS","profile_url":"https://hrcollege.academia.edu/ASCOROCKS?f_ri=1361","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":407,"name":"Geochemistry","url":"https://www.academia.edu/Documents/in/Geochemistry?f_ri=1361","nofollow":true},{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=1361","nofollow":true},{"id":600768,"name":"Organic C","url":"https://www.academia.edu/Documents/in/Organic_C?f_ri=1361","nofollow":true},{"id":1155409,"name":"Genetic distance","url":"https://www.academia.edu/Documents/in/Genetic_distance?f_ri=1361","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_35210494" data-work_id="35210494" 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/35210494/Oxygen_stress_at_the_Alexander_estuary_is_controlled_by_nutrient_concentration_and_sea_estuari_connectivity">Oxygen stress at the Alexander estuary is controlled by nutrient concentration and sea-estuari connectivity</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/35210494" 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="b22d7bc50af5decca5de644151a77dd0" rel="nofollow" data-download="{"attachment_id":55070569,"asset_id":35210494,"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/55070569/download_file?st=MTc0MDkyNTI2MSw4LjIyMi4yMDguMTQ2&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="4031501" href="https://independent.academia.edu/YairSuari">Yair Suari</a><script data-card-contents-for-user="4031501" type="text/json">{"id":4031501,"first_name":"Yair","last_name":"Suari","domain_name":"independent","page_name":"YairSuari","display_name":"Yair Suari","profile_url":"https://independent.academia.edu/YairSuari?f_ri=1361","photo":"https://0.academia-photos.com/4031501/1535467/1865053/s65_yair.suari.jpg"}</script></span></span></li><li class="js-paper-rank-work_35210494 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="35210494"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 35210494, container: ".js-paper-rank-work_35210494", }); 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Using a set of 32 temporary ponds in northern Morocco we studied the... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_61610153" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Identifying the respective role of environmental, landscape and management factors in explaining the patterns in community composition is an important goal in ecology. Using a set of 32 temporary ponds in northern Morocco we studied the respective importance of local (within the pond) and regional (density of ponds in landscape) factors and the impacts of different land uses on the plant species assemblages, separating pond and terrestrial species. The main hypotheses tested were that (1) species assemblages respond to both local and regional environmental factors, (2) anthropogenic pressure has a negative influence on the number of pond species, and that (3) human activities differ in their impact on pond biodiversity. The results showed that (1) local factors explain most of the variation in plant community composition, and (2) land use impacts the communities through changing local environmental conditions, leading to a loss of typical pond species. Aside from recreation, all oth...</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/61610153" 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="2ba6061a40caf3d7870c45af7c9b010a" rel="nofollow" data-download="{"attachment_id":74590090,"asset_id":61610153,"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/74590090/download_file?st=MTc0MDkyNTI2MSw4LjIyMi4yMDguMTQ2&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="59767580" href="https://independent.academia.edu/Abdelmjidzouahri">Abdelmjid zouahri</a><script data-card-contents-for-user="59767580" type="text/json">{"id":59767580,"first_name":"Abdelmjid","last_name":"zouahri","domain_name":"independent","page_name":"Abdelmjidzouahri","display_name":"Abdelmjid zouahri","profile_url":"https://independent.academia.edu/Abdelmjidzouahri?f_ri=1361","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_61610153 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="61610153"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 61610153, container: ".js-paper-rank-work_61610153", }); 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$(".js-view-count[data-work-id=61610153]").text(description); $(".js-view-count-work_61610153").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_61610153").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="61610153"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">18</a>  </div><span class="InlineList-item-text u-textTruncate u-pl10x"><a class="InlineList-item-text" data-has-card-for-ri="156" rel="nofollow" href="https://www.academia.edu/Documents/in/Genetics">Genetics</a>, <script data-card-contents-for-ri="156" type="text/json">{"id":156,"name":"Genetics","url":"https://www.academia.edu/Documents/in/Genetics?f_ri=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="167" rel="nofollow" href="https://www.academia.edu/Documents/in/Physiology">Physiology</a>, <script data-card-contents-for-ri="167" type="text/json">{"id":167,"name":"Physiology","url":"https://www.academia.edu/Documents/in/Physiology?f_ri=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="415" rel="nofollow" href="https://www.academia.edu/Documents/in/Oceanography">Oceanography</a>, <script data-card-contents-for-ri="415" type="text/json">{"id":415,"name":"Oceanography","url":"https://www.academia.edu/Documents/in/Oceanography?f_ri=1361","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=1361","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=61610153]'), work: {"id":61610153,"title":"Unravelling the impact of anthropogenic pressure on plant communities in Mediterranean temporary ponds","created_at":"2021-11-12T11:33:43.992-08:00","url":"https://www.academia.edu/61610153/Unravelling_the_impact_of_anthropogenic_pressure_on_plant_communities_in_Mediterranean_temporary_ponds?f_ri=1361","dom_id":"work_61610153","summary":"Identifying the respective role of environmental, landscape and management factors in explaining the patterns in community composition is an important goal in ecology. Using a set of 32 temporary ponds in northern Morocco we studied the respective importance of local (within the pond) and regional (density of ponds in landscape) factors and the impacts of different land uses on the plant species assemblages, separating pond and terrestrial species. The main hypotheses tested were that (1) species assemblages respond to both local and regional environmental factors, (2) anthropogenic pressure has a negative influence on the number of pond species, and that (3) human activities differ in their impact on pond biodiversity. The results showed that (1) local factors explain most of the variation in plant community composition, and (2) land use impacts the communities through changing local environmental conditions, leading to a loss of typical pond species. Aside from recreation, all oth...","downloadable_attachments":[{"id":74590090,"asset_id":61610153,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":59767580,"first_name":"Abdelmjid","last_name":"zouahri","domain_name":"independent","page_name":"Abdelmjidzouahri","display_name":"Abdelmjid zouahri","profile_url":"https://independent.academia.edu/Abdelmjidzouahri?f_ri=1361","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":156,"name":"Genetics","url":"https://www.academia.edu/Documents/in/Genetics?f_ri=1361","nofollow":true},{"id":167,"name":"Physiology","url":"https://www.academia.edu/Documents/in/Physiology?f_ri=1361","nofollow":true},{"id":415,"name":"Oceanography","url":"https://www.academia.edu/Documents/in/Oceanography?f_ri=1361","nofollow":true},{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=1361","nofollow":true},{"id":2549,"name":"Hydrology","url":"https://www.academia.edu/Documents/in/Hydrology?f_ri=1361"},{"id":4206,"name":"Phylogeography","url":"https://www.academia.edu/Documents/in/Phylogeography?f_ri=1361"},{"id":4553,"name":"Toxicology","url":"https://www.academia.edu/Documents/in/Toxicology?f_ri=1361"},{"id":7049,"name":"Crustacea","url":"https://www.academia.edu/Documents/in/Crustacea?f_ri=1361"},{"id":7710,"name":"Biology","url":"https://www.academia.edu/Documents/in/Biology?f_ri=1361"},{"id":9846,"name":"Ecology","url":"https://www.academia.edu/Documents/in/Ecology?f_ri=1361"},{"id":28235,"name":"Multidisciplinary","url":"https://www.academia.edu/Documents/in/Multidisciplinary?f_ri=1361"},{"id":65881,"name":"FISH","url":"https://www.academia.edu/Documents/in/FISH?f_ri=1361"},{"id":80872,"name":"Scientific","url":"https://www.academia.edu/Documents/in/Scientific?f_ri=1361"},{"id":84578,"name":"Educational","url":"https://www.academia.edu/Documents/in/Educational?f_ri=1361"},{"id":107671,"name":"Plankton","url":"https://www.academia.edu/Documents/in/Plankton?f_ri=1361"},{"id":192651,"name":"Stream","url":"https://www.academia.edu/Documents/in/Stream?f_ri=1361"},{"id":249747,"name":"Coral","url":"https://www.academia.edu/Documents/in/Coral?f_ri=1361"},{"id":379570,"name":"Estuary","url":"https://www.academia.edu/Documents/in/Estuary?f_ri=1361"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_58169517" data-work_id="58169517" 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/58169517/Variation_in_occurrence_of_the_fish_parasitic_cymothoid_isopod_Anilocra_haemuli_infecting_French_grunt_Haemulon_flavolineatum_in_the_north_eastern_Caribbean">Variation in occurrence of the fish-parasitic cymothoid isopod, Anilocra haemuli, infecting French grunt (Haemulon flavolineatum) in the north-eastern Caribbean</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Parasites constitute the majority of coral reef animal diversity and are believed to contribute significantly to host, community and trophic dynamics. Anilocra spp. are large conspicuous ectoparasitic isopods, making them ideal models for... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_58169517" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Parasites constitute the majority of coral reef animal diversity and are believed to contribute significantly to host, community and trophic dynamics. Anilocra spp. are large conspicuous ectoparasitic isopods, making them ideal models for host–parasite studies. In the tropical western Atlantic and Caribbean, Anilocra haemuli infects the ecologically important French grunt (Haemulon flavolineatum). French grunt are trophic connectors between reef and seagrass environments, and how A. haemuli infection influences connectivity is unknown. As a first step in understanding the French grunt–A. haemuli association, we conducted reef surveys during three consecutive years to quantify the abundance and prevalence of infected fish on reef sites in the north-eastern Caribbean. We examined their correlations with fish population and aggregation size, and social affiliation. Annual infected fish abundance and prevalence per site ranged from 0–24 fish and 0–66%. Prevalence: (1) appeared autocorre...</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/58169517" 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="9ddd8a2e88ed33bf2468a1c5d3c98da8" rel="nofollow" data-download="{"attachment_id":72711177,"asset_id":58169517,"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/72711177/download_file?st=MTc0MDkyNTI2MSw4LjIyMi4yMDguMTQ2&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="21807288" href="https://independent.academia.edu/PaulSikkel">Paul Sikkel</a><script data-card-contents-for-user="21807288" type="text/json">{"id":21807288,"first_name":"Paul","last_name":"Sikkel","domain_name":"independent","page_name":"PaulSikkel","display_name":"Paul Sikkel","profile_url":"https://independent.academia.edu/PaulSikkel?f_ri=1361","photo":"https://gravatar.com/avatar/3402bc4b9cc145c5b07ceb7236083775?s=65"}</script></span></span></li><li class="js-paper-rank-work_58169517 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="58169517"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 58169517, container: ".js-paper-rank-work_58169517", }); 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$(".js-view-count[data-work-id=58169517]").text(description); $(".js-view-count-work_58169517").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_58169517").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="58169517"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">18</a>  </div><span class="InlineList-item-text u-textTruncate u-pl10x"><a class="InlineList-item-text" data-has-card-for-ri="156" rel="nofollow" href="https://www.academia.edu/Documents/in/Genetics">Genetics</a>, <script data-card-contents-for-ri="156" type="text/json">{"id":156,"name":"Genetics","url":"https://www.academia.edu/Documents/in/Genetics?f_ri=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="167" rel="nofollow" href="https://www.academia.edu/Documents/in/Physiology">Physiology</a>, <script data-card-contents-for-ri="167" type="text/json">{"id":167,"name":"Physiology","url":"https://www.academia.edu/Documents/in/Physiology?f_ri=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="415" rel="nofollow" href="https://www.academia.edu/Documents/in/Oceanography">Oceanography</a>, <script data-card-contents-for-ri="415" type="text/json">{"id":415,"name":"Oceanography","url":"https://www.academia.edu/Documents/in/Oceanography?f_ri=1361","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=1361","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=58169517]'), work: {"id":58169517,"title":"Variation in occurrence of the fish-parasitic cymothoid isopod, Anilocra haemuli, infecting French grunt (Haemulon flavolineatum) in the north-eastern Caribbean","created_at":"2021-10-15T09:58:31.763-07:00","url":"https://www.academia.edu/58169517/Variation_in_occurrence_of_the_fish_parasitic_cymothoid_isopod_Anilocra_haemuli_infecting_French_grunt_Haemulon_flavolineatum_in_the_north_eastern_Caribbean?f_ri=1361","dom_id":"work_58169517","summary":"Parasites constitute the majority of coral reef animal diversity and are believed to contribute significantly to host, community and trophic dynamics. Anilocra spp. are large conspicuous ectoparasitic isopods, making them ideal models for host–parasite studies. In the tropical western Atlantic and Caribbean, Anilocra haemuli infects the ecologically important French grunt (Haemulon flavolineatum). French grunt are trophic connectors between reef and seagrass environments, and how A. haemuli infection influences connectivity is unknown. As a first step in understanding the French grunt–A. haemuli association, we conducted reef surveys during three consecutive years to quantify the abundance and prevalence of infected fish on reef sites in the north-eastern Caribbean. We examined their correlations with fish population and aggregation size, and social affiliation. Annual infected fish abundance and prevalence per site ranged from 0–24 fish and 0–66%. Prevalence: (1) appeared autocorre...","downloadable_attachments":[{"id":72711177,"asset_id":58169517,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":21807288,"first_name":"Paul","last_name":"Sikkel","domain_name":"independent","page_name":"PaulSikkel","display_name":"Paul Sikkel","profile_url":"https://independent.academia.edu/PaulSikkel?f_ri=1361","photo":"https://gravatar.com/avatar/3402bc4b9cc145c5b07ceb7236083775?s=65"}],"research_interests":[{"id":156,"name":"Genetics","url":"https://www.academia.edu/Documents/in/Genetics?f_ri=1361","nofollow":true},{"id":167,"name":"Physiology","url":"https://www.academia.edu/Documents/in/Physiology?f_ri=1361","nofollow":true},{"id":415,"name":"Oceanography","url":"https://www.academia.edu/Documents/in/Oceanography?f_ri=1361","nofollow":true},{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=1361","nofollow":true},{"id":2549,"name":"Hydrology","url":"https://www.academia.edu/Documents/in/Hydrology?f_ri=1361"},{"id":4206,"name":"Phylogeography","url":"https://www.academia.edu/Documents/in/Phylogeography?f_ri=1361"},{"id":4553,"name":"Toxicology","url":"https://www.academia.edu/Documents/in/Toxicology?f_ri=1361"},{"id":7049,"name":"Crustacea","url":"https://www.academia.edu/Documents/in/Crustacea?f_ri=1361"},{"id":7710,"name":"Biology","url":"https://www.academia.edu/Documents/in/Biology?f_ri=1361"},{"id":9846,"name":"Ecology","url":"https://www.academia.edu/Documents/in/Ecology?f_ri=1361"},{"id":28235,"name":"Multidisciplinary","url":"https://www.academia.edu/Documents/in/Multidisciplinary?f_ri=1361"},{"id":65881,"name":"FISH","url":"https://www.academia.edu/Documents/in/FISH?f_ri=1361"},{"id":80872,"name":"Scientific","url":"https://www.academia.edu/Documents/in/Scientific?f_ri=1361"},{"id":84578,"name":"Educational","url":"https://www.academia.edu/Documents/in/Educational?f_ri=1361"},{"id":107671,"name":"Plankton","url":"https://www.academia.edu/Documents/in/Plankton?f_ri=1361"},{"id":192651,"name":"Stream","url":"https://www.academia.edu/Documents/in/Stream?f_ri=1361"},{"id":249747,"name":"Coral","url":"https://www.academia.edu/Documents/in/Coral?f_ri=1361"},{"id":379570,"name":"Estuary","url":"https://www.academia.edu/Documents/in/Estuary?f_ri=1361"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_69176026" data-work_id="69176026" 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/69176026/Modeling_potential_hydrochemical_responses_to_climate_change_and_increasing_CO_2_at_the_Hubbard_Brook_Experimental_Forest_using_a_dynamic_biogeochemical_model_PnET_BGC_">Modeling potential hydrochemical responses to climate change and increasing CO 2 at the Hubbard Brook Experimental Forest using a dynamic biogeochemical model (PnET-BGC)</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Dynamic hydrochemical models are useful tools for understanding and predicting the interactive effects of climate change, atmospheric CO 2 , and atmospheric deposition on the hydrology and water quality of forested watersheds. We used the... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_69176026" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Dynamic hydrochemical models are useful tools for understanding and predicting the interactive effects of climate change, atmospheric CO 2 , and atmospheric deposition on the hydrology and water quality of forested watersheds. We used the biogeochemical model, PnET-BGC, to evaluate the effects of potential future changes in temperature, precipitation, solar radiation, and atmospheric CO 2 on pools, concentrations, and fluxes of major elements at the Hubbard Brook Experimental Forest in New Hampshire, United States. Future climate projections used to run PnET-BGC were generated specifically for the Hubbard Brook Experimental Forest with a statistical technique that downscales climate output (e.g., air temperature, precipitation, solar radiation) from atmosphere-ocean general circulation models (AOGCMs) to a finer temporal and spatial resolution. These climate projections indicate that over the twenty-first century, average air temperature will increase at the site by 1.7 C to 6.5 C with simultaneous increases in annual average precipitation ranging from 4 to 32 cm above the long-term mean (1970-2000). PnET-BGC simulations under future climate change show a shift in hydrology characterized by later snowpack development, earlier spring discharge (snowmelt), greater evapotranspiration, and a slight increase in annual water yield (associated with CO 2 effects on vegetation). Model results indicate that under elevated temperature, net soil nitrogen mineralization and nitrification markedly increase, resulting in acidification of soil and stream water, thereby altering the quality of water draining from forested watersheds. Invoking a CO 2 fertilization effect on vegetation under climate change substantially mitigates watershed nitrogen loss, highlighting the need for a more thorough understanding of CO 2 effects on forest vegetation.</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/69176026" 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="08a26c4c043d340ff64d5b69fb1a673b" rel="nofollow" data-download="{"attachment_id":79371651,"asset_id":69176026,"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/79371651/download_file?st=MTc0MDkyNTI2MSw4LjIyMi4yMDguMTQ2&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="32903412" href="https://independent.academia.edu/CharlesDriscol">Charles Driscoll</a><script data-card-contents-for-user="32903412" type="text/json">{"id":32903412,"first_name":"Charles","last_name":"Driscoll","domain_name":"independent","page_name":"CharlesDriscol","display_name":"Charles Driscoll","profile_url":"https://independent.academia.edu/CharlesDriscol?f_ri=1361","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_69176026 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="69176026"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 69176026, container: ".js-paper-rank-work_69176026", }); });</script></li><li class="js-percentile-work_69176026 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 = 69176026; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_69176026"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_69176026 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="69176026"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 69176026; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=69176026]").text(description); $(".js-view-count-work_69176026").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_69176026").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="69176026"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">9</a>  </div><span class="InlineList-item-text u-textTruncate u-pl9x"><a class="InlineList-item-text" data-has-card-for-ri="55" rel="nofollow" href="https://www.academia.edu/Documents/in/Environmental_Engineering">Environmental Engineering</a>, <script data-card-contents-for-ri="55" type="text/json">{"id":55,"name":"Environmental Engineering","url":"https://www.academia.edu/Documents/in/Environmental_Engineering?f_ri=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="73" rel="nofollow" href="https://www.academia.edu/Documents/in/Civil_Engineering">Civil Engineering</a>, <script data-card-contents-for-ri="73" type="text/json">{"id":73,"name":"Civil Engineering","url":"https://www.academia.edu/Documents/in/Civil_Engineering?f_ri=1361","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=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="406" rel="nofollow" href="https://www.academia.edu/Documents/in/Geology">Geology</a><script data-card-contents-for-ri="406" type="text/json">{"id":406,"name":"Geology","url":"https://www.academia.edu/Documents/in/Geology?f_ri=1361","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=69176026]'), work: {"id":69176026,"title":"Modeling potential hydrochemical responses to climate change and increasing CO 2 at the Hubbard Brook Experimental Forest using a dynamic biogeochemical model (PnET-BGC)","created_at":"2022-01-22T08:57:01.335-08:00","url":"https://www.academia.edu/69176026/Modeling_potential_hydrochemical_responses_to_climate_change_and_increasing_CO_2_at_the_Hubbard_Brook_Experimental_Forest_using_a_dynamic_biogeochemical_model_PnET_BGC_?f_ri=1361","dom_id":"work_69176026","summary":"Dynamic hydrochemical models are useful tools for understanding and predicting the interactive effects of climate change, atmospheric CO 2 , and atmospheric deposition on the hydrology and water quality of forested watersheds. We used the biogeochemical model, PnET-BGC, to evaluate the effects of potential future changes in temperature, precipitation, solar radiation, and atmospheric CO 2 on pools, concentrations, and fluxes of major elements at the Hubbard Brook Experimental Forest in New Hampshire, United States. Future climate projections used to run PnET-BGC were generated specifically for the Hubbard Brook Experimental Forest with a statistical technique that downscales climate output (e.g., air temperature, precipitation, solar radiation) from atmosphere-ocean general circulation models (AOGCMs) to a finer temporal and spatial resolution. These climate projections indicate that over the twenty-first century, average air temperature will increase at the site by 1.7 C to 6.5 C with simultaneous increases in annual average precipitation ranging from 4 to 32 cm above the long-term mean (1970-2000). PnET-BGC simulations under future climate change show a shift in hydrology characterized by later snowpack development, earlier spring discharge (snowmelt), greater evapotranspiration, and a slight increase in annual water yield (associated with CO 2 effects on vegetation). Model results indicate that under elevated temperature, net soil nitrogen mineralization and nitrification markedly increase, resulting in acidification of soil and stream water, thereby altering the quality of water draining from forested watersheds. Invoking a CO 2 fertilization effect on vegetation under climate change substantially mitigates watershed nitrogen loss, highlighting the need for a more thorough understanding of CO 2 effects on forest vegetation.","downloadable_attachments":[{"id":79371651,"asset_id":69176026,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":32903412,"first_name":"Charles","last_name":"Driscoll","domain_name":"independent","page_name":"CharlesDriscol","display_name":"Charles Driscoll","profile_url":"https://independent.academia.edu/CharlesDriscol?f_ri=1361","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":55,"name":"Environmental Engineering","url":"https://www.academia.edu/Documents/in/Environmental_Engineering?f_ri=1361","nofollow":true},{"id":73,"name":"Civil Engineering","url":"https://www.academia.edu/Documents/in/Civil_Engineering?f_ri=1361","nofollow":true},{"id":402,"name":"Environmental Science","url":"https://www.academia.edu/Documents/in/Environmental_Science?f_ri=1361","nofollow":true},{"id":406,"name":"Geology","url":"https://www.academia.edu/Documents/in/Geology?f_ri=1361","nofollow":true},{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=1361"},{"id":1512,"name":"Climate Change","url":"https://www.academia.edu/Documents/in/Climate_Change?f_ri=1361"},{"id":4526,"name":"Water resources","url":"https://www.academia.edu/Documents/in/Water_resources?f_ri=1361"},{"id":6177,"name":"Modeling","url":"https://www.academia.edu/Documents/in/Modeling?f_ri=1361"},{"id":27659,"name":"Applied Economics","url":"https://www.academia.edu/Documents/in/Applied_Economics?f_ri=1361"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_60241695" data-work_id="60241695" 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/60241695/The_influence_of_Phaeocystis_globosa_on_microscale_spatial_patterns_of_chlorophyll_a_and_bulk_phase_seawater_viscosity">The influence of Phaeocystis globosa on microscale spatial patterns of chlorophyll a and bulk-phase seawater viscosity</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 two-dimensional rnicroscale (5 cm resolution) sampler was used over the course of a phytoplankton spring bloom dominated by Phaeocystis globosa to investigate the structural properties of chlorophyll a and seawater excess viscosity... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_60241695" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">A two-dimensional rnicroscale (5 cm resolution) sampler was used over the course of a phytoplankton spring bloom dominated by Phaeocystis globosa to investigate the structural properties of chlorophyll a and seawater excess viscosity distributions. The rnicroscale distribution patterns of chlorophyll a and excess viscosity were never uniform nor random. Instead they exhibited different types and levels of aggregated spatial patterns that were related to the dynamics of the bloom. The chlorophyll a and seawater viscosity correlation</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/60241695" 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="855f5522f781dce628f7bfd5a59e7301" rel="nofollow" data-download="{"attachment_id":73774197,"asset_id":60241695,"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/73774197/download_file?st=MTc0MDkyNTI2MSw4LjIyMi4yMDguMTQ2&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="22322527" href="https://independent.academia.edu/MarkDoubell">Mark Doubell</a><script data-card-contents-for-user="22322527" type="text/json">{"id":22322527,"first_name":"Mark","last_name":"Doubell","domain_name":"independent","page_name":"MarkDoubell","display_name":"Mark Doubell","profile_url":"https://independent.academia.edu/MarkDoubell?f_ri=1361","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_60241695 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="60241695"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 60241695, container: ".js-paper-rank-work_60241695", }); 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$(".js-view-count[data-work-id=60241695]").text(description); $(".js-view-count-work_60241695").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_60241695").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="60241695"><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="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=1361","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=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="43318" rel="nofollow" href="https://www.academia.edu/Documents/in/Competitive_advantage">Competitive advantage</a>, <script data-card-contents-for-ri="43318" type="text/json">{"id":43318,"name":"Competitive advantage","url":"https://www.academia.edu/Documents/in/Competitive_advantage?f_ri=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="223629" rel="nofollow" href="https://www.academia.edu/Documents/in/Surf_Zone">Surf Zone</a><script data-card-contents-for-ri="223629" type="text/json">{"id":223629,"name":"Surf Zone","url":"https://www.academia.edu/Documents/in/Surf_Zone?f_ri=1361","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=60241695]'), work: {"id":60241695,"title":"The influence of Phaeocystis globosa on microscale spatial patterns of chlorophyll a and bulk-phase seawater viscosity","created_at":"2021-10-28T16:33:04.989-07:00","url":"https://www.academia.edu/60241695/The_influence_of_Phaeocystis_globosa_on_microscale_spatial_patterns_of_chlorophyll_a_and_bulk_phase_seawater_viscosity?f_ri=1361","dom_id":"work_60241695","summary":"A two-dimensional rnicroscale (5 cm resolution) sampler was used over the course of a phytoplankton spring bloom dominated by Phaeocystis globosa to investigate the structural properties of chlorophyll a and seawater excess viscosity distributions. The rnicroscale distribution patterns of chlorophyll a and excess viscosity were never uniform nor random. Instead they exhibited different types and levels of aggregated spatial patterns that were related to the dynamics of the bloom. The chlorophyll a and seawater viscosity correlation","downloadable_attachments":[{"id":73774197,"asset_id":60241695,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":22322527,"first_name":"Mark","last_name":"Doubell","domain_name":"independent","page_name":"MarkDoubell","display_name":"Mark Doubell","profile_url":"https://independent.academia.edu/MarkDoubell?f_ri=1361","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":407,"name":"Geochemistry","url":"https://www.academia.edu/Documents/in/Geochemistry?f_ri=1361","nofollow":true},{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=1361","nofollow":true},{"id":43318,"name":"Competitive advantage","url":"https://www.academia.edu/Documents/in/Competitive_advantage?f_ri=1361","nofollow":true},{"id":223629,"name":"Surf Zone","url":"https://www.academia.edu/Documents/in/Surf_Zone?f_ri=1361","nofollow":true},{"id":286413,"name":"Spatial Pattern","url":"https://www.academia.edu/Documents/in/Spatial_Pattern?f_ri=1361"},{"id":494642,"name":"Structural Properties","url":"https://www.academia.edu/Documents/in/Structural_Properties?f_ri=1361"},{"id":1431418,"name":"Chlorophyll a","url":"https://www.academia.edu/Documents/in/Chlorophyll_a?f_ri=1361"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_30050104 coauthored" data-work_id="30050104" 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/30050104/The_effects_of_deforestation_and_climate_variability_on_the_streamflow_of_the_Araguaia_River_Brazil">The effects of deforestation and climate variability on the streamflow of the Araguaia River, Brazil</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Deforestation changes the hydrological, geomorphological, and biochemical states of streams by decreasing evapotranspiration on the land surface and increasing runoff, river discharge, erosion and sediment fluxes from the land surface.... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_30050104" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Deforestation changes the hydrological, geomorphological, and biochemical states of streams by decreasing evapotranspiration on the land surface and increasing runoff, river discharge, erosion and sediment fluxes from the land surface. Deforestation has removed about 55% of the native vegetation and significantly altered the hydrological and morphological characteristics of an 82,632 km 2 watershed of the Araguaia River in east-central Brazil. Observed discharge increased by 25% from the 1970s to the 1990s and computer simulations suggest that about 2/3 of the increase is from deforestation, the remaining 1/3 from climate variability. Changes of this scale are likely occurring throughout the 2,000,000 km 2 savannah region of central Brazil.</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/30050104" 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="df1f687baf2452f9c843c28d66648f97" rel="nofollow" data-download="{"attachment_id":50501682,"asset_id":30050104,"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/50501682/download_file?st=MTc0MDkyNTI2MSw4LjIyMi4yMDguMTQ2&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="33319095" href="https://independent.academia.edu/EdgardoLatrubesse">Edgardo Latrubesse</a><script data-card-contents-for-user="33319095" type="text/json">{"id":33319095,"first_name":"Edgardo","last_name":"Latrubesse","domain_name":"independent","page_name":"EdgardoLatrubesse","display_name":"Edgardo Latrubesse","profile_url":"https://independent.academia.edu/EdgardoLatrubesse?f_ri=1361","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-30050104">+1</span><div class="hidden js-additional-users-30050104"><div><span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a href="https://independent.academia.edu/ManuelFerreira8">Manuel Ferreira</a></span></div></div></span><script>(function(){ var popoverSettings = { el: $('.js-work-more-authors-30050104'), placement: 'bottom', hide_delay: 200, html: true, content: function(){ return $('.js-additional-users-30050104').html(); 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Deforestation has removed about 55% of the native vegetation and significantly altered the hydrological and morphological characteristics of an 82,632 km 2 watershed of the Araguaia River in east-central Brazil. Observed discharge increased by 25% from the 1970s to the 1990s and computer simulations suggest that about 2/3 of the increase is from deforestation, the remaining 1/3 from climate variability. Changes of this scale are likely occurring throughout the 2,000,000 km 2 savannah region of central Brazil.","downloadable_attachments":[{"id":50501682,"asset_id":30050104,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":33319095,"first_name":"Edgardo","last_name":"Latrubesse","domain_name":"independent","page_name":"EdgardoLatrubesse","display_name":"Edgardo Latrubesse","profile_url":"https://independent.academia.edu/EdgardoLatrubesse?f_ri=1361","photo":"/images/s65_no_pic.png"},{"id":17463154,"first_name":"Manuel","last_name":"Ferreira","domain_name":"independent","page_name":"ManuelFerreira8","display_name":"Manuel Ferreira","profile_url":"https://independent.academia.edu/ManuelFerreira8?f_ri=1361","photo":"https://0.academia-photos.com/17463154/4854326/5585312/s65_manuel.ferreira.jpg"}],"research_interests":[{"id":407,"name":"Geochemistry","url":"https://www.academia.edu/Documents/in/Geochemistry?f_ri=1361","nofollow":true},{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=1361","nofollow":true},{"id":4753,"name":"Climate variability","url":"https://www.academia.edu/Documents/in/Climate_variability?f_ri=1361","nofollow":true},{"id":69542,"name":"Computer Simulation","url":"https://www.academia.edu/Documents/in/Computer_Simulation?f_ri=1361","nofollow":true},{"id":79495,"name":"Land Cover","url":"https://www.academia.edu/Documents/in/Land_Cover?f_ri=1361"},{"id":99629,"name":"Evapotranspiration","url":"https://www.academia.edu/Documents/in/Evapotranspiration?f_ri=1361"},{"id":1494552,"name":"River Discharge","url":"https://www.academia.edu/Documents/in/River_Discharge?f_ri=1361"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_25545420" data-work_id="25545420" 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/25545420/Carbon_storage_in_post_mining_forest_soil_the_role_of_tree_biomass_and_soil_bioturbation">Carbon storage in post-mining forest soil, the role of tree biomass and soil bioturbation</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Carbon storage in aboveground tree biomass and soil organic matter (in depth of A layer development i.e., up to 20 cm) was studied in 22-32 year-old post-mining sites in the northwest of the Czech Republic. Four replicated sites... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_25545420" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Carbon storage in aboveground tree biomass and soil organic matter (in depth of A layer development i.e., up to 20 cm) was studied in 22-32 year-old post-mining sites in the northwest of the Czech Republic. Four replicated sites afforested with different tree species (spruce, pine, larch, oak, lime or alder) were compared with sites left to natural regeneration which were dominated by aspen, birch and willow. No topsoil was applied at the sites; hence carbon accumulation resulted from in situ soil development on alkaline tertiary clays that were dumped on the heaps. In aboveground tree biomass, carbon storage ranged from 17.0 ± 5.9 (mean ± SEM) to 67.6 ± 5.9 t ha -1 and the rate of C accumulation increased from 0.60 ± 0.09 to 2.31 ± 0.23 t ha -1year -1 (natural regeneration \ pine \ spruce \ oak \ lime \ alder \ larch). Carbon storage in soil organic matter varied from 4.5 ± 3.7 to 38.0 ± 7.1 t ha -1 and the rate of C accumulation in soil organic matter increased from 0.15 ± 0.05 to 1.28 ± 0.34 t ha -1 year -1 at sites in the order: natural regeneration \ spruce \ pine, oak \ larch \ alder \ lime. Carbon storage in the soil was positively correlated with aboveground tree biomass. Soil carbon was equivalent to 98.1% of the carbon found in aboveground tree biomass at lime dominated sites, but only 21.8% at sites with natural regeneration. No significant correlation was found between C storage in soil and aboveground litter input. Total soil carbon storage was correlated positively and significantly with earthworm density, and occurrence of earthworm cast in topsoil, which indicated that bioturbation could play an important role in soil carbon storage. Hence, not only restoring of wood production, but also restoring of soil community is critical for C storage in soil and whole ecosystem.</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/25545420" 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="904585acfdb70d0177c9e5a3f837c053" rel="nofollow" data-download="{"attachment_id":45877486,"asset_id":25545420,"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/45877486/download_file?st=MTc0MDkyNTI2MSw4LjIyMi4yMDguMTQ2&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="32258485" href="https://independent.academia.edu/EmilCienciala">Emil Cienciala</a><script data-card-contents-for-user="32258485" type="text/json">{"id":32258485,"first_name":"Emil","last_name":"Cienciala","domain_name":"independent","page_name":"EmilCienciala","display_name":"Emil Cienciala","profile_url":"https://independent.academia.edu/EmilCienciala?f_ri=1361","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_25545420 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="25545420"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 25545420, container: ".js-paper-rank-work_25545420", }); 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$(".js-view-count[data-work-id=25545420]").text(description); $(".js-view-count-work_25545420").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_25545420").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="25545420"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">35</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=1361","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=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="3471" rel="nofollow" href="https://www.academia.edu/Documents/in/Regeneration">Regeneration</a>, <script data-card-contents-for-ri="3471" type="text/json">{"id":3471,"name":"Regeneration","url":"https://www.academia.edu/Documents/in/Regeneration?f_ri=1361","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=1361","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=25545420]'), work: {"id":25545420,"title":"Carbon storage in post-mining forest soil, the role of tree biomass and soil bioturbation","created_at":"2016-05-23T04:12:29.817-07:00","url":"https://www.academia.edu/25545420/Carbon_storage_in_post_mining_forest_soil_the_role_of_tree_biomass_and_soil_bioturbation?f_ri=1361","dom_id":"work_25545420","summary":"Carbon storage in aboveground tree biomass and soil organic matter (in depth of A layer development i.e., up to 20 cm) was studied in 22-32 year-old post-mining sites in the northwest of the Czech Republic. Four replicated sites afforested with different tree species (spruce, pine, larch, oak, lime or alder) were compared with sites left to natural regeneration which were dominated by aspen, birch and willow. No topsoil was applied at the sites; hence carbon accumulation resulted from in situ soil development on alkaline tertiary clays that were dumped on the heaps. In aboveground tree biomass, carbon storage ranged from 17.0 ± 5.9 (mean ± SEM) to 67.6 ± 5.9 t ha -1 and the rate of C accumulation increased from 0.60 ± 0.09 to 2.31 ± 0.23 t ha -1year -1 (natural regeneration \\ pine \\ spruce \\ oak \\ lime \\ alder \\ larch). Carbon storage in soil organic matter varied from 4.5 ± 3.7 to 38.0 ± 7.1 t ha -1 and the rate of C accumulation in soil organic matter increased from 0.15 ± 0.05 to 1.28 ± 0.34 t ha -1 year -1 at sites in the order: natural regeneration \\ spruce \\ pine, oak \\ larch \\ alder \\ lime. Carbon storage in the soil was positively correlated with aboveground tree biomass. Soil carbon was equivalent to 98.1% of the carbon found in aboveground tree biomass at lime dominated sites, but only 21.8% at sites with natural regeneration. No significant correlation was found between C storage in soil and aboveground litter input. Total soil carbon storage was correlated positively and significantly with earthworm density, and occurrence of earthworm cast in topsoil, which indicated that bioturbation could play an important role in soil carbon storage. Hence, not only restoring of wood production, but also restoring of soil community is critical for C storage in soil and whole ecosystem.","downloadable_attachments":[{"id":45877486,"asset_id":25545420,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":32258485,"first_name":"Emil","last_name":"Cienciala","domain_name":"independent","page_name":"EmilCienciala","display_name":"Emil Cienciala","profile_url":"https://independent.academia.edu/EmilCienciala?f_ri=1361","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":407,"name":"Geochemistry","url":"https://www.academia.edu/Documents/in/Geochemistry?f_ri=1361","nofollow":true},{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=1361","nofollow":true},{"id":3471,"name":"Regeneration","url":"https://www.academia.edu/Documents/in/Regeneration?f_ri=1361","nofollow":true},{"id":5303,"name":"Carbon","url":"https://www.academia.edu/Documents/in/Carbon?f_ri=1361","nofollow":true},{"id":5411,"name":"Biomass","url":"https://www.academia.edu/Documents/in/Biomass?f_ri=1361"},{"id":14719,"name":"Carbon Cycle","url":"https://www.academia.edu/Documents/in/Carbon_Cycle?f_ri=1361"},{"id":17726,"name":"Density","url":"https://www.academia.edu/Documents/in/Density?f_ri=1361"},{"id":18496,"name":"Mining","url":"https://www.academia.edu/Documents/in/Mining?f_ri=1361"},{"id":39549,"name":"Czech Republic","url":"https://www.academia.edu/Documents/in/Czech_Republic?f_ri=1361"},{"id":42436,"name":"Pedogenesis","url":"https://www.academia.edu/Documents/in/Pedogenesis?f_ri=1361"},{"id":71578,"name":"Wood","url":"https://www.academia.edu/Documents/in/Wood?f_ri=1361"},{"id":76052,"name":"Depth","url":"https://www.academia.edu/Documents/in/Depth?f_ri=1361"},{"id":79748,"name":"Forest","url":"https://www.academia.edu/Documents/in/Forest?f_ri=1361"},{"id":81504,"name":"Correlation","url":"https://www.academia.edu/Documents/in/Correlation?f_ri=1361"},{"id":95531,"name":"Bioturbation","url":"https://www.academia.edu/Documents/in/Bioturbation?f_ri=1361"},{"id":98731,"name":"Carbon Cycling","url":"https://www.academia.edu/Documents/in/Carbon_Cycling?f_ri=1361"},{"id":106333,"name":"Ecosystems","url":"https://www.academia.edu/Documents/in/Ecosystems?f_ri=1361"},{"id":117033,"name":"Forests","url":"https://www.academia.edu/Documents/in/Forests?f_ri=1361"},{"id":138838,"name":"Wood Products","url":"https://www.academia.edu/Documents/in/Wood_Products?f_ri=1361"},{"id":156319,"name":"Soils","url":"https://www.academia.edu/Documents/in/Soils?f_ri=1361"},{"id":161716,"name":"Carbon Storage","url":"https://www.academia.edu/Documents/in/Carbon_Storage?f_ri=1361"},{"id":169070,"name":"Sol","url":"https://www.academia.edu/Documents/in/Sol?f_ri=1361"},{"id":169793,"name":"Natural Regeneration","url":"https://www.academia.edu/Documents/in/Natural_Regeneration?f_ri=1361"},{"id":173028,"name":"Soil organic 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Ecology","url":"https://www.academia.edu/Documents/in/Forest_Soil_Ecology?f_ri=1361"},{"id":1256880,"name":"Coal Mines","url":"https://www.academia.edu/Documents/in/Coal_Mines?f_ri=1361"},{"id":2047125,"name":"soil carbon storage","url":"https://www.academia.edu/Documents/in/soil_carbon_storage?f_ri=1361"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_23574136" data-work_id="23574136" 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/23574136/Soil_incubations_reproduce_field_methane_dynamics_in_a_subarctic_wetland">Soil incubations reproduce field methane dynamics in a subarctic wetland</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 major challenge in peatland carbon cycle modeling is the estimation of subsurface methane (CH 4 ) and carbon dioxide (CO 2 ) production and consumption rates and pathways. The most common methods for modeling these processes are soil... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_23574136" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">A major challenge in peatland carbon cycle modeling is the estimation of subsurface methane (CH 4 ) and carbon dioxide (CO 2 ) production and consumption rates and pathways. The most common methods for modeling these processes are soil incubations and stable isotope modeling, both of which may involve departures from field conditions. To explore the impacts of these departures, we measured CH 4 /CO 2 concentration ratios and 13 C fractionation factors (a C , indicating CH 4 production pathways) in field pore water from a thawing subarctic peatland, and compared these values to those observed in incubations of corresponding peat samples. Incu-bation CH 4 /CO 2 production ratios were significantly and positively correlated with observed field CH 4 /CO 2 concentration ratios, though observed field ratios were *20 % of those in incubations due to CH 4 's lower solubility in pore water. After correcting the field ratios for CH 4 loss with an isotope mass balance model, the incubation CH 4 /CO 2 ratios and a C were both significantly positively correlated with field ratios and a C (respectively), both with slopes indistinguishable from 1. Although CH 4 /CO 2 ratios and a C were slightly higher in the incubations, these shifts were consistent along the thaw progression, indicating that ex situ incubations can replicate trends in in situ CH 4 production.</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/23574136" 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="7a6b38b40edddaa2d890ffb13d702323" rel="nofollow" data-download="{"attachment_id":45924559,"asset_id":23574136,"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/45924559/download_file?st=MTc0MDkyNTI2Miw4LjIyMi4yMDguMTQ2&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="45610013" href="https://osu1.academia.edu/SuzanneHodgkins">Suzanne B Hodgkins</a><script data-card-contents-for-user="45610013" type="text/json">{"id":45610013,"first_name":"Suzanne","last_name":"Hodgkins","domain_name":"osu1","page_name":"SuzanneHodgkins","display_name":"Suzanne B Hodgkins","profile_url":"https://osu1.academia.edu/SuzanneHodgkins?f_ri=1361","photo":"https://0.academia-photos.com/45610013/12941167/14313268/s65_suzanne.hodgkins.jpg"}</script></span></span></li><li class="js-paper-rank-work_23574136 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="23574136"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 23574136, container: ".js-paper-rank-work_23574136", }); 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The most common methods for modeling these processes are soil incubations and stable isotope modeling, both of which may involve departures from field conditions. To explore the impacts of these departures, we measured CH 4 /CO 2 concentration ratios and 13 C fractionation factors (a C , indicating CH 4 production pathways) in field pore water from a thawing subarctic peatland, and compared these values to those observed in incubations of corresponding peat samples. Incu-bation CH 4 /CO 2 production ratios were significantly and positively correlated with observed field CH 4 /CO 2 concentration ratios, though observed field ratios were *20 % of those in incubations due to CH 4 's lower solubility in pore water. After correcting the field ratios for CH 4 loss with an isotope mass balance model, the incubation CH 4 /CO 2 ratios and a C were both significantly positively correlated with field ratios and a C (respectively), both with slopes indistinguishable from 1. Although CH 4 /CO 2 ratios and a C were slightly higher in the incubations, these shifts were consistent along the thaw progression, indicating that ex situ incubations can replicate trends in in situ CH 4 production.","downloadable_attachments":[{"id":45924559,"asset_id":23574136,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":45610013,"first_name":"Suzanne","last_name":"Hodgkins","domain_name":"osu1","page_name":"SuzanneHodgkins","display_name":"Suzanne B Hodgkins","profile_url":"https://osu1.academia.edu/SuzanneHodgkins?f_ri=1361","photo":"https://0.academia-photos.com/45610013/12941167/14313268/s65_suzanne.hodgkins.jpg"}],"research_interests":[{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=1361","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_2963773" data-work_id="2963773" 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/2963773/Relative_importance_of_solid_phase_phosphorus_and_iron_on_the_sorption_behavior_of_sediments">Relative importance of solid-phase phosphorus and iron on the sorption behavior of sediments</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/2963773" 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="6ccdd1d7993243ca2a869d0496bdef4f" rel="nofollow" data-download="{"attachment_id":31255648,"asset_id":2963773,"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/31255648/download_file?st=MTc0MDkyNTI2Miw4LjIyMi4yMDguMTQ2&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="3463139" href="https://independent.academia.edu/JiaZhongZhang">Jia-Zhong Zhang</a><script data-card-contents-for-user="3463139" type="text/json">{"id":3463139,"first_name":"Jia-Zhong","last_name":"Zhang","domain_name":"independent","page_name":"JiaZhongZhang","display_name":"Jia-Zhong Zhang","profile_url":"https://independent.academia.edu/JiaZhongZhang?f_ri=1361","photo":"https://0.academia-photos.com/3463139/9688323/10790367/s65_jia-zhong.zhang.jpg"}</script></span></span></li><li class="js-paper-rank-work_2963773 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="2963773"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 2963773, container: ".js-paper-rank-work_2963773", }); 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Features include... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_63861339" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">The Lund±Potsdam±Jena Dynamic Global Vegetation Model (LPJ) combines process-based, large-scale representations of terrestrial vegetation dynamics and land-atmosphere carbon and water exchanges in a modular framework. Features include feedback through ...</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/63861339" 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="4180a116b214e0b6818ab0bf181311ea" rel="nofollow" data-download="{"attachment_id":76144471,"asset_id":63861339,"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/76144471/download_file?st=MTc0MDkyNTI2Miw4LjIyMi4yMDguMTQ2&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="37884316" href="https://univ-amu.academia.edu/Albertebondeau">Alberte bondeau</a><script data-card-contents-for-user="37884316" type="text/json">{"id":37884316,"first_name":"Alberte","last_name":"bondeau","domain_name":"univ-amu","page_name":"Albertebondeau","display_name":"Alberte bondeau","profile_url":"https://univ-amu.academia.edu/Albertebondeau?f_ri=1361","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_63861339 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="63861339"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 63861339, container: ".js-paper-rank-work_63861339", }); 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Features include feedback through ...","downloadable_attachments":[{"id":76144471,"asset_id":63861339,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":37884316,"first_name":"Alberte","last_name":"bondeau","domain_name":"univ-amu","page_name":"Albertebondeau","display_name":"Alberte bondeau","profile_url":"https://univ-amu.academia.edu/Albertebondeau?f_ri=1361","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=1361","nofollow":true},{"id":1512,"name":"Climate Change","url":"https://www.academia.edu/Documents/in/Climate_Change?f_ri=1361","nofollow":true},{"id":14719,"name":"Carbon Cycle","url":"https://www.academia.edu/Documents/in/Carbon_Cycle?f_ri=1361","nofollow":true},{"id":26039,"name":"Global Change Biology","url":"https://www.academia.edu/Documents/in/Global_Change_Biology?f_ri=1361","nofollow":true},{"id":47884,"name":"Biological Sciences","url":"https://www.academia.edu/Documents/in/Biological_Sciences?f_ri=1361"},{"id":48218,"name":"Global change","url":"https://www.academia.edu/Documents/in/Global_change?f_ri=1361"},{"id":58054,"name":"Environmental Sciences","url":"https://www.academia.edu/Documents/in/Environmental_Sciences?f_ri=1361"},{"id":685326,"name":"Boundary Layer","url":"https://www.academia.edu/Documents/in/Boundary_Layer?f_ri=1361"},{"id":1207509,"name":"NET PRIMARY PRODUCTIVITY","url":"https://www.academia.edu/Documents/in/NET_PRIMARY_PRODUCTIVITY?f_ri=1361"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_43640194 coauthored" data-work_id="43640194" 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/43640194/Current_and_future_biomass_carbon_uptake_in_Bostons_urban_forest">Current and future biomass carbon uptake in Boston's urban forest</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Ecosystem services provided by urban forests are increasingly included in municipal-level responses to climate change. However, the ecosystem functions that generate these services, such as biomass carbon (C) uptake, can differ... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_43640194" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Ecosystem services provided by urban forests are increasingly included in municipal-level responses to climate change. However, the ecosystem functions that generate these services, such as biomass carbon (C) uptake, can differ substantially from nearby rural forest. In particular, the scaled effect of canopy spatial configuration on tree growth in cities is uncertain, as is the scope for medium-term policy intervention. This study integrates high spatial resolution data on tree canopy and biomass in the city of Boston, Massachusetts, with local measurements of tree growth rates to estimate the magnitude and distribution of annual biomass C uptake. We further project C uptake, biomass, and canopy cover change to 2040 under alternative policy scenarios affecting the planting and preservation of urban trees. Our analysis shows that 85% of tree canopy area was within 10 m of an edge, indicating essentially open growing conditions. Using growth models accounting for canopy edge effects and growth context, Boston's current biomass C uptake may be approximately double (median 10.9 GgC yr −1 , 0.5 MgC ha −1 yr −1) the estimates based on rural forest growth, much of it occurring in high-density residential areas. Total annual C uptake to long-term biomass storage was equivalent to b1% of estimated annual fossil CO 2 emissions for the city. In built-up areas, reducing mortality in larger trees resulted in the highest predicted increase in canopy cover (+25%) and biomass C stocks (236 GgC) by 2040, while planting trees in available road margins resulted in the greatest predicted annual C uptake (7.1 GgC yr −1). This study highlights the importance of accounting for the altered ecosystem structure and function in urban areas in evaluating ecosystem services. Effective municipal climate responses should consider the substantial fraction of total services performed by trees in developed areas, which may produce strong but localized atmospheric C sinks.</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/43640194" 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="860c65ec65a944906568164c6094b026" rel="nofollow" data-download="{"attachment_id":63940468,"asset_id":43640194,"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/63940468/download_file?st=MTc0MDkyNTI2Miw4LjIyMi4yMDguMTQ2&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="34189816" href="https://ncsu.academia.edu/AndrewTrlica">Andrew Trlica</a><script data-card-contents-for-user="34189816" type="text/json">{"id":34189816,"first_name":"Andrew","last_name":"Trlica","domain_name":"ncsu","page_name":"AndrewTrlica","display_name":"Andrew Trlica","profile_url":"https://ncsu.academia.edu/AndrewTrlica?f_ri=1361","photo":"https://0.academia-photos.com/34189816/10027106/22163247/s65_andrew.trlica.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-43640194">+1</span><div class="hidden js-additional-users-43640194"><div><span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a href="https://independent.academia.edu/SmithIanA">Ian A. Smith</a></span></div></div></span><script>(function(){ var popoverSettings = { el: $('.js-work-more-authors-43640194'), placement: 'bottom', hide_delay: 200, html: true, content: function(){ return $('.js-additional-users-43640194').html(); } } new HoverPopover(popoverSettings); })();</script></li><li class="js-paper-rank-work_43640194 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="43640194"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 43640194, container: ".js-paper-rank-work_43640194", }); });</script></li><li class="js-percentile-work_43640194 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 = 43640194; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_43640194"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_43640194 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="43640194"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 43640194; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=43640194]").text(description); $(".js-view-count-work_43640194").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_43640194").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="43640194"><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="277" rel="nofollow" href="https://www.academia.edu/Documents/in/Urban_Geography">Urban Geography</a>, <script data-card-contents-for-ri="277" type="text/json">{"id":277,"name":"Urban Geography","url":"https://www.academia.edu/Documents/in/Urban_Geography?f_ri=1361","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=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="4808" rel="nofollow" href="https://www.academia.edu/Documents/in/Urban_Planning">Urban Planning</a>, <script data-card-contents-for-ri="4808" type="text/json">{"id":4808,"name":"Urban Planning","url":"https://www.academia.edu/Documents/in/Urban_Planning?f_ri=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="176238" rel="nofollow" href="https://www.academia.edu/Documents/in/Trees">Trees</a><script data-card-contents-for-ri="176238" type="text/json">{"id":176238,"name":"Trees","url":"https://www.academia.edu/Documents/in/Trees?f_ri=1361","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=43640194]'), work: {"id":43640194,"title":"Current and future biomass carbon uptake in Boston's urban forest","created_at":"2020-07-16T11:03:40.992-07:00","url":"https://www.academia.edu/43640194/Current_and_future_biomass_carbon_uptake_in_Bostons_urban_forest?f_ri=1361","dom_id":"work_43640194","summary":"Ecosystem services provided by urban forests are increasingly included in municipal-level responses to climate change. However, the ecosystem functions that generate these services, such as biomass carbon (C) uptake, can differ substantially from nearby rural forest. In particular, the scaled effect of canopy spatial configuration on tree growth in cities is uncertain, as is the scope for medium-term policy intervention. This study integrates high spatial resolution data on tree canopy and biomass in the city of Boston, Massachusetts, with local measurements of tree growth rates to estimate the magnitude and distribution of annual biomass C uptake. We further project C uptake, biomass, and canopy cover change to 2040 under alternative policy scenarios affecting the planting and preservation of urban trees. Our analysis shows that 85% of tree canopy area was within 10 m of an edge, indicating essentially open growing conditions. Using growth models accounting for canopy edge effects and growth context, Boston's current biomass C uptake may be approximately double (median 10.9 GgC yr −1 , 0.5 MgC ha −1 yr −1) the estimates based on rural forest growth, much of it occurring in high-density residential areas. Total annual C uptake to long-term biomass storage was equivalent to b1% of estimated annual fossil CO 2 emissions for the city. In built-up areas, reducing mortality in larger trees resulted in the highest predicted increase in canopy cover (+25%) and biomass C stocks (236 GgC) by 2040, while planting trees in available road margins resulted in the greatest predicted annual C uptake (7.1 GgC yr −1). This study highlights the importance of accounting for the altered ecosystem structure and function in urban areas in evaluating ecosystem services. Effective municipal climate responses should consider the substantial fraction of total services performed by trees in developed areas, which may produce strong but localized atmospheric C sinks.","downloadable_attachments":[{"id":63940468,"asset_id":43640194,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":34189816,"first_name":"Andrew","last_name":"Trlica","domain_name":"ncsu","page_name":"AndrewTrlica","display_name":"Andrew Trlica","profile_url":"https://ncsu.academia.edu/AndrewTrlica?f_ri=1361","photo":"https://0.academia-photos.com/34189816/10027106/22163247/s65_andrew.trlica.png"},{"id":164702338,"first_name":"Ian A.","last_name":"Smith","domain_name":"independent","page_name":"SmithIanA","display_name":"Ian A. Smith","profile_url":"https://independent.academia.edu/SmithIanA?f_ri=1361","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":277,"name":"Urban Geography","url":"https://www.academia.edu/Documents/in/Urban_Geography?f_ri=1361","nofollow":true},{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=1361","nofollow":true},{"id":4808,"name":"Urban Planning","url":"https://www.academia.edu/Documents/in/Urban_Planning?f_ri=1361","nofollow":true},{"id":176238,"name":"Trees","url":"https://www.academia.edu/Documents/in/Trees?f_ri=1361","nofollow":true},{"id":961426,"name":"Urban Ecosystem","url":"https://www.academia.edu/Documents/in/Urban_Ecosystem?f_ri=1361"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_5663643 coauthored" data-work_id="5663643" 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/5663643/Humus_buildup_in_boreal_forests_effects_of_litter_fall_and_its_N_concentration">Humus buildup in boreal forests: effects of litter fall and its N concentration</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">This synthesis paper presents a model for estimating the buildup of soil organic matter in boreal deciduous and coniferous forests. A basic model was developed using data from a well-studied Scots pine (Pinus sylvestris L.) forest (SWECON... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_5663643" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">This synthesis paper presents a model for estimating the buildup of soil organic matter in boreal deciduous and coniferous forests. A basic model was developed using data from a well-studied Scots pine (Pinus sylvestris L.) forest (SWECON site) and based on limit values for litter decomposition and amounts of litter fall. A local validation gave a calculated humus accumulation that differed by 8% from the amount measured in the stand. This model was further validated using data for humus accumulated for 2984, 2081, and 1106 years, predicting an accumulation close to the measured amount, and for needle litter the missing fractions were 16, 17, and -6%, respectively, for the three groups. The limit value for litter decomposition is negatively related to the litter's initial N concentration; thus, N-rich litter should have a larger resistant fraction left than N poor. This relationship was validated using nine paired stands of monocultures: eight pairs of Scots pine and Norway spruce (Picea abies (L.) Karst.) and one pair of red alder (Alnus rubra Bong.) and Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco). The measured amount of SOM was related to foliar litter fall and its N concentration. In all cases the more N-rich litter gave in all cases the more N-rich Norway spruce litter gave a significantly higher accumulation of humus for Norway spruce in spite of a higher litter fall for Scots pine. Also, red alder gave more SOM than Douglas-fir and in an expected relation to the litter N concentration. A consequence of this would be that C sinks of different efficiencies or capacities would tend to accumulate SOM at different rates.</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/5663643" 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="53054e717d2cead340be2fb2add84692" rel="nofollow" data-download="{"attachment_id":49192377,"asset_id":5663643,"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/49192377/download_file?st=MTc0MDkyNTI2Miw4LjIyMi4yMDguMTQ2&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=1361","photo":"https://0.academia-photos.com/8159101/5767901/6556178/s65_bj_rn.berg.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-5663643">+1</span><div class="hidden js-additional-users-5663643"><div><span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a href="https://unina.academia.edu/AmaliaVirzoDeSanto">Amalia Virzo De Santo</a></span></div></div></span><script>(function(){ var popoverSettings = { el: $('.js-work-more-authors-5663643'), placement: 'bottom', hide_delay: 200, html: true, content: function(){ return $('.js-additional-users-5663643').html(); } } new HoverPopover(popoverSettings); })();</script></li><li class="js-paper-rank-work_5663643 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="5663643"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 5663643, container: ".js-paper-rank-work_5663643", }); });</script></li><li class="js-percentile-work_5663643 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 = 5663643; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_5663643"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_5663643 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="5663643"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 5663643; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=5663643]").text(description); $(".js-view-count-work_5663643").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_5663643").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="5663643"><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="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=1361","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=1361","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=1361","nofollow":true}</script><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=1361","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=5663643]'), work: {"id":5663643,"title":"Humus buildup in boreal forests: effects of litter fall and its N concentration","created_at":"2014-01-09T17:48:54.797-08:00","url":"https://www.academia.edu/5663643/Humus_buildup_in_boreal_forests_effects_of_litter_fall_and_its_N_concentration?f_ri=1361","dom_id":"work_5663643","summary":"This synthesis paper presents a model for estimating the buildup of soil organic matter in boreal deciduous and coniferous forests. A basic model was developed using data from a well-studied Scots pine (Pinus sylvestris L.) forest (SWECON site) and based on limit values for litter decomposition and amounts of litter fall. A local validation gave a calculated humus accumulation that differed by 8% from the amount measured in the stand. This model was further validated using data for humus accumulated for 2984, 2081, and 1106 years, predicting an accumulation close to the measured amount, and for needle litter the missing fractions were 16, 17, and -6%, respectively, for the three groups. The limit value for litter decomposition is negatively related to the litter's initial N concentration; thus, N-rich litter should have a larger resistant fraction left than N poor. This relationship was validated using nine paired stands of monocultures: eight pairs of Scots pine and Norway spruce (Picea abies (L.) Karst.) and one pair of red alder (Alnus rubra Bong.) and Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco). The measured amount of SOM was related to foliar litter fall and its N concentration. In all cases the more N-rich litter gave in all cases the more N-rich Norway spruce litter gave a significantly higher accumulation of humus for Norway spruce in spite of a higher litter fall for Scots pine. Also, red alder gave more SOM than Douglas-fir and in an expected relation to the litter N concentration. A consequence of this would be that C sinks of different efficiencies or capacities would tend to accumulate SOM at different rates.","downloadable_attachments":[{"id":49192377,"asset_id":5663643,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"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=1361","photo":"https://0.academia-photos.com/8159101/5767901/6556178/s65_bj_rn.berg.jpg"},{"id":30270756,"first_name":"Amalia","last_name":"Virzo De Santo","domain_name":"unina","page_name":"AmaliaVirzoDeSanto","display_name":"Amalia Virzo De Santo","profile_url":"https://unina.academia.edu/AmaliaVirzoDeSanto?f_ri=1361","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":400,"name":"Earth Sciences","url":"https://www.academia.edu/Documents/in/Earth_Sciences?f_ri=1361","nofollow":true},{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=1361","nofollow":true},{"id":6414,"name":"Decomposition","url":"https://www.academia.edu/Documents/in/Decomposition?f_ri=1361","nofollow":true},{"id":7043,"name":"Symbiosis","url":"https://www.academia.edu/Documents/in/Symbiosis?f_ri=1361","nofollow":true},{"id":7968,"name":"Prediction","url":"https://www.academia.edu/Documents/in/Prediction?f_ri=1361"},{"id":58054,"name":"Environmental Sciences","url":"https://www.academia.edu/Documents/in/Environmental_Sciences?f_ri=1361"},{"id":183367,"name":"Boreal Forest","url":"https://www.academia.edu/Documents/in/Boreal_Forest?f_ri=1361"},{"id":188993,"name":"Litter","url":"https://www.academia.edu/Documents/in/Litter?f_ri=1361"},{"id":326964,"name":"Simbiosis","url":"https://www.academia.edu/Documents/in/Simbiosis?f_ri=1361"},{"id":359110,"name":"Humus","url":"https://www.academia.edu/Documents/in/Humus?f_ri=1361"},{"id":2246011,"name":"Fall","url":"https://www.academia.edu/Documents/in/Fall?f_ri=1361"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_2107934" data-work_id="2107934" 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/2107934/Mobility_Exchange_and_Tomb_Membership_in_Bronze_Age_Arabia_A_Biogeochemical_Investigation">Mobility, Exchange, and Tomb Membership in Bronze Age Arabia: A Biogeochemical Investigation</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Major transitions in subsistence, settlement organization, and funerary architecture accompanied the rise and fall of extensive trade complexes between southeastern Arabia and major centers in Mesopotamia, Dilmun, Elam, Central Asia, and... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_2107934" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Major transitions in subsistence, settlement organization, and funerary architecture accompanied the rise and fall of extensive trade complexes between southeastern Arabia and major centers in Mesopotamia, Dilmun, Elam, Central Asia, and the Indus Valley throughout the third and second millennia BC. I address the nature of these transformations, particularly the movements of people accompanying traded goods across this landscape, by analyzing human and faunal skeletal material using stable strontium, oxygen, and carbon isotopes. Stable isotope analysis is a biogeochemical technique utilized to assess patterns of residential mobility and paleodiet in archaeological populations. Individuals interred in monumental communal tombs from the Umm anNar (25002000 BC) and subsequent Wadi Suq (20001300 BC) periods from across the Oman Peninsula were selected, and the enamel of their respective tomb members analyzed to detect (a) how the involvement of this region in burgeoning pan Gulf exchange networks may have influenced mobility, and (b) how its inhabitants reacted during the succeeding economic collapse of the early second millennium BC. Due to the commingled and fragmentary nature of these remains, the majority of enamel samples came from a single tooth type for each tomb (e.g., LM 1 ) to prevent v Dedicated to my wonderful parents, Larry and Susan, and to my sisters and best friends, Lindsay and Lauren vi ACKNOWLEDGMENTS This dissertation could not have been completed without the support and assistance of many individuals.</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/2107934" 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="278d4452d8fc5f04b464983c276ce34d" rel="nofollow" data-download="{"attachment_id":30169131,"asset_id":2107934,"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/30169131/download_file?st=MTc0MDkyNTI2Miw4LjIyMi4yMDguMTQ2&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="253354" href="https://southalabama.academia.edu/LesleyGregoricka">Lesley Gregoricka</a><script data-card-contents-for-user="253354" type="text/json">{"id":253354,"first_name":"Lesley","last_name":"Gregoricka","domain_name":"southalabama","page_name":"LesleyGregoricka","display_name":"Lesley Gregoricka","profile_url":"https://southalabama.academia.edu/LesleyGregoricka?f_ri=1361","photo":"https://0.academia-photos.com/253354/54192/913377/s65_lesley.gregoricka.jpg"}</script></span></span></li><li class="js-paper-rank-work_2107934 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="2107934"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 2107934, container: ".js-paper-rank-work_2107934", }); });</script></li><li class="js-percentile-work_2107934 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 = 2107934; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_2107934"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_2107934 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="2107934"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 2107934; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=2107934]").text(description); $(".js-view-count-work_2107934").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_2107934").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="2107934"><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="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=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="4850" rel="nofollow" href="https://www.academia.edu/Documents/in/Migration">Migration</a>, <script data-card-contents-for-ri="4850" type="text/json">{"id":4850,"name":"Migration","url":"https://www.academia.edu/Documents/in/Migration?f_ri=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="25403" rel="nofollow" href="https://www.academia.edu/Documents/in/Archaeology_of_Oman_peninsula">Archaeology of Oman peninsula</a>, <script data-card-contents-for-ri="25403" type="text/json">{"id":25403,"name":"Archaeology of Oman peninsula","url":"https://www.academia.edu/Documents/in/Archaeology_of_Oman_peninsula?f_ri=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="26726" rel="nofollow" href="https://www.academia.edu/Documents/in/Bronze_Age_Archaeology_">Bronze Age (Archaeology)</a><script data-card-contents-for-ri="26726" type="text/json">{"id":26726,"name":"Bronze Age (Archaeology)","url":"https://www.academia.edu/Documents/in/Bronze_Age_Archaeology_?f_ri=1361","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=2107934]'), work: {"id":2107934,"title":"Mobility, Exchange, and Tomb Membership in Bronze Age Arabia: A Biogeochemical Investigation","created_at":"2012-11-08T22:54:25.021-08:00","url":"https://www.academia.edu/2107934/Mobility_Exchange_and_Tomb_Membership_in_Bronze_Age_Arabia_A_Biogeochemical_Investigation?f_ri=1361","dom_id":"work_2107934","summary":"Major transitions in subsistence, settlement organization, and funerary architecture accompanied the rise and fall of extensive trade complexes between southeastern Arabia and major centers in Mesopotamia, Dilmun, Elam, Central Asia, and the Indus Valley throughout the third and second millennia BC. I address the nature of these transformations, particularly the movements of people accompanying traded goods across this landscape, by analyzing human and faunal skeletal material using stable strontium, oxygen, and carbon isotopes. Stable isotope analysis is a biogeochemical technique utilized to assess patterns of residential mobility and paleodiet in archaeological populations. Individuals interred in monumental communal tombs from the Umm anNar (25002000 BC) and subsequent Wadi Suq (20001300 BC) periods from across the Oman Peninsula were selected, and the enamel of their respective tomb members analyzed to detect (a) how the involvement of this region in burgeoning pan Gulf exchange networks may have influenced mobility, and (b) how its inhabitants reacted during the succeeding economic collapse of the early second millennium BC. Due to the commingled and fragmentary nature of these remains, the majority of enamel samples came from a single tooth type for each tomb (e.g., LM 1 ) to prevent v Dedicated to my wonderful parents, Larry and Susan, and to my sisters and best friends, Lindsay and Lauren vi ACKNOWLEDGMENTS This dissertation could not have been completed without the support and assistance of many individuals.","downloadable_attachments":[{"id":30169131,"asset_id":2107934,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":253354,"first_name":"Lesley","last_name":"Gregoricka","domain_name":"southalabama","page_name":"LesleyGregoricka","display_name":"Lesley Gregoricka","profile_url":"https://southalabama.academia.edu/LesleyGregoricka?f_ri=1361","photo":"https://0.academia-photos.com/253354/54192/913377/s65_lesley.gregoricka.jpg"}],"research_interests":[{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=1361","nofollow":true},{"id":4850,"name":"Migration","url":"https://www.academia.edu/Documents/in/Migration?f_ri=1361","nofollow":true},{"id":25403,"name":"Archaeology of Oman peninsula","url":"https://www.academia.edu/Documents/in/Archaeology_of_Oman_peninsula?f_ri=1361","nofollow":true},{"id":26726,"name":"Bronze Age (Archaeology)","url":"https://www.academia.edu/Documents/in/Bronze_Age_Archaeology_?f_ri=1361","nofollow":true},{"id":52211,"name":"United Arab Emirates","url":"https://www.academia.edu/Documents/in/United_Arab_Emirates?f_ri=1361"},{"id":57434,"name":"Strontium Isotope Analysis","url":"https://www.academia.edu/Documents/in/Strontium_Isotope_Analysis?f_ri=1361"},{"id":67659,"name":"Stable oxygen isotopes in bioapatite","url":"https://www.academia.edu/Documents/in/Stable_oxygen_isotopes_in_bioapatite?f_ri=1361"},{"id":245928,"name":"Strontium, carbon and oxygen isotope analysis","url":"https://www.academia.edu/Documents/in/Strontium_carbon_and_oxygen_isotope_analysis?f_ri=1361"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_1829027" data-work_id="1829027" 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/1829027/Reconciling_the_temperature_dependence_of_respiration_across_time_scales_and_ecosystem_types">Reconciling the temperature dependence of respiration across time scales and ecosystem types</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Ecosystem respiration is the biotic conversion of organic carbon to carbon dioxide by all of the organisms in an ecosystem, including both consumers and primary producers. Respiration exhibits an exponential temperature dependence at the... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_1829027" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Ecosystem respiration is the biotic conversion of organic carbon to<br />carbon dioxide by all of the organisms in an ecosystem, including<br />both consumers and primary producers. Respiration exhibits an<br />exponential temperature dependence at the subcellular and<br />individual levels1, but at the ecosystem level respiration can be<br />modified by many variables2–4 including community abundance<br />and biomass5, which vary substantially among ecosystems6.<br />Despite its importance for predicting the responses of the biosphere<br />to climate change, it is as yet unknown whether the temperature<br />dependence of ecosystem respiration varies systematically<br />between aquatic and terrestrial environments. Here we use the<br />largest database of respiratory measurements yet compiled to show<br />that the sensitivity of ecosystem respiration to seasonal changes in<br />temperature is remarkably similar for diverse environments<br />encompassing lakes, rivers, estuaries, the open ocean and forested<br />and non-forested terrestrial ecosystems, with an average activation<br />energy similar to that of the respiratory complex3 (approximately<br />0.65 electronvolts (eV)). By contrast, annual ecosystem respiration<br />shows a substantially greater temperature dependence across aquatic<br />(approximately 0.65 eV) versus terrestrial ecosystems (approximately<br />0.32 eV) that span broad geographic gradients in temperature. Using<br />a model5 derived from metabolic theory7, these findings can be<br />reconciled by similarities in the biochemical kinetics of metabolism<br />at the subcellular level, and fundamental differences in the importance<br />of other variables besides temperature—such as primary productivity<br />and allochthonous carbon inputs—on the structure of<br />aquatic and terrestrial biota at the community level.</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/1829027" 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="7f214ca95b120886d07c9bfb3f045e38" rel="nofollow" data-download="{"attachment_id":25448792,"asset_id":1829027,"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/25448792/download_file?st=MTc0MDkyNTI2Miw4LjIyMi4yMDguMTQ2&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="1730235" href="https://uec.academia.edu/GabrielYvonDurocher">Gabriel Yvon-Durocher</a><script data-card-contents-for-user="1730235" type="text/json">{"id":1730235,"first_name":"Gabriel","last_name":"Yvon-Durocher","domain_name":"uec","page_name":"GabrielYvonDurocher","display_name":"Gabriel Yvon-Durocher","profile_url":"https://uec.academia.edu/GabrielYvonDurocher?f_ri=1361","photo":"https://0.academia-photos.com/1730235/595830/740338/s65_gabriel.yvon-durocher.jpg"}</script></span></span></li><li class="js-paper-rank-work_1829027 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="1829027"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 1829027, container: ".js-paper-rank-work_1829027", }); });</script></li><li class="js-percentile-work_1829027 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 = 1829027; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_1829027"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_1829027 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="1829027"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 1829027; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=1829027]").text(description); $(".js-view-count-work_1829027").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_1829027").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="1829027"><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="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=1361","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=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="1512" rel="nofollow" href="https://www.academia.edu/Documents/in/Climate_Change">Climate Change</a>, <script data-card-contents-for-ri="1512" type="text/json">{"id":1512,"name":"Climate Change","url":"https://www.academia.edu/Documents/in/Climate_Change?f_ri=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="14719" rel="nofollow" href="https://www.academia.edu/Documents/in/Carbon_Cycle">Carbon Cycle</a><script data-card-contents-for-ri="14719" type="text/json">{"id":14719,"name":"Carbon Cycle","url":"https://www.academia.edu/Documents/in/Carbon_Cycle?f_ri=1361","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=1829027]'), work: {"id":1829027,"title":"Reconciling the temperature dependence of respiration across time scales and ecosystem types","created_at":"2012-08-02T00:39:36.929-07:00","url":"https://www.academia.edu/1829027/Reconciling_the_temperature_dependence_of_respiration_across_time_scales_and_ecosystem_types?f_ri=1361","dom_id":"work_1829027","summary":"Ecosystem respiration is the biotic conversion of organic carbon to\ncarbon dioxide by all of the organisms in an ecosystem, including\nboth consumers and primary producers. Respiration exhibits an\nexponential temperature dependence at the subcellular and\nindividual levels1, but at the ecosystem level respiration can be\nmodified by many variables2–4 including community abundance\nand biomass5, which vary substantially among ecosystems6.\nDespite its importance for predicting the responses of the biosphere\nto climate change, it is as yet unknown whether the temperature\ndependence of ecosystem respiration varies systematically\nbetween aquatic and terrestrial environments. Here we use the\nlargest database of respiratory measurements yet compiled to show\nthat the sensitivity of ecosystem respiration to seasonal changes in\ntemperature is remarkably similar for diverse environments\nencompassing lakes, rivers, estuaries, the open ocean and forested\nand non-forested terrestrial ecosystems, with an average activation\nenergy similar to that of the respiratory complex3 (approximately\n0.65 electronvolts (eV)). By contrast, annual ecosystem respiration\nshows a substantially greater temperature dependence across aquatic\n(approximately 0.65 eV) versus terrestrial ecosystems (approximately\n0.32 eV) that span broad geographic gradients in temperature. Using\na model5 derived from metabolic theory7, these findings can be\nreconciled by similarities in the biochemical kinetics of metabolism\nat the subcellular level, and fundamental differences in the importance\nof other variables besides temperature—such as primary productivity\nand allochthonous carbon inputs—on the structure of\naquatic and terrestrial biota at the community level.","downloadable_attachments":[{"id":25448792,"asset_id":1829027,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":1730235,"first_name":"Gabriel","last_name":"Yvon-Durocher","domain_name":"uec","page_name":"GabrielYvonDurocher","display_name":"Gabriel Yvon-Durocher","profile_url":"https://uec.academia.edu/GabrielYvonDurocher?f_ri=1361","photo":"https://0.academia-photos.com/1730235/595830/740338/s65_gabriel.yvon-durocher.jpg"}],"research_interests":[{"id":1359,"name":"Ecosystems Ecology","url":"https://www.academia.edu/Documents/in/Ecosystems_Ecology?f_ri=1361","nofollow":true},{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=1361","nofollow":true},{"id":1512,"name":"Climate Change","url":"https://www.academia.edu/Documents/in/Climate_Change?f_ri=1361","nofollow":true},{"id":14719,"name":"Carbon Cycle","url":"https://www.academia.edu/Documents/in/Carbon_Cycle?f_ri=1361","nofollow":true},{"id":14720,"name":"Soil Carbon Cycle","url":"https://www.academia.edu/Documents/in/Soil_Carbon_Cycle?f_ri=1361"},{"id":17851,"name":"Photosynthesis and respiration","url":"https://www.academia.edu/Documents/in/Photosynthesis_and_respiration?f_ri=1361"},{"id":26039,"name":"Global Change Biology","url":"https://www.academia.edu/Documents/in/Global_Change_Biology?f_ri=1361"},{"id":164263,"name":"Metabolic Theory of Ecology","url":"https://www.academia.edu/Documents/in/Metabolic_Theory_of_Ecology?f_ri=1361"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_989389" data-work_id="989389" 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/989389/Microfossils_of_sulphur_metabolizing_cells_in_3_4_billion_year_old_rocks_of_Western_Australia">Microfossils of sulphur-metabolizing cells in 3.4-billion-year-old rocks of Western Australia</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Sulphur isotope data from early Archaean rocks suggest that microbes with metabolisms based on sulphur existed almost 3.5 billion years ago, leading to suggestions that the earliest microbial ecosystems were sulphur-based 1-5 . However,... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_989389" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Sulphur isotope data from early Archaean rocks suggest that microbes with metabolisms based on sulphur existed almost 3.5 billion years ago, leading to suggestions that the earliest microbial ecosystems were sulphur-based 1-5 . However, morphological evidence for these sulphur-metabolizing bacteria has been elusive. Here we report the presence of microstructures from the 3.4-billion-year-old Strelley Pool Formation in Western Australia that are associated with micrometre-sized pyrite crystals. The microstructures we identify exhibit indicators of biological affinity, including hollow cell lumens, carbonaceous cell walls enriched in nitrogen, taphonomic degradation, organization into chains and clusters, and δ 13 C values of −33 to −46 Vienna PeeDee Belemnite (VPDB). We therefore identify them as microfossils of spheroidal and ellipsoidal cells and tubular sheaths demonstrating the organization of multiple cells. The associated pyrite crystals have 33 S values between −1.65 and +1.43 and δ 34 S values ranging from −12 to +6 Vienna Canyon Diablo Troilite (VCDT) 5 . We interpret the pyrite crystals as the metabolic by-products of these cells, which would have employed sulphate-reduction and sulphur-disproportionation pathways. These microfossils are about 200 million years older than previously described 6 microfossils from Palaeoarchaean siliciclastic environments.</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/989389" 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="edc3c1581a517250692661692c3e2253" rel="nofollow" data-download="{"attachment_id":6053513,"asset_id":989389,"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/6053513/download_file?st=MTc0MDkyNTI2Miw4LjIyMi4yMDguMTQ2&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="239" href="https://uib.academia.edu/DavidWacey">David Wacey</a><script data-card-contents-for-user="239" type="text/json">{"id":239,"first_name":"David","last_name":"Wacey","domain_name":"uib","page_name":"DavidWacey","display_name":"David Wacey","profile_url":"https://uib.academia.edu/DavidWacey?f_ri=1361","photo":"https://0.academia-photos.com/239/286411/338771/s65_david.wacey.jpg"}</script></span></span></li><li class="js-paper-rank-work_989389 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="989389"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 989389, container: ".js-paper-rank-work_989389", }); });</script></li><li class="js-percentile-work_989389 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 = 989389; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_989389"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_989389 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="989389"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 989389; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=989389]").text(description); $(".js-view-count-work_989389").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_989389").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="989389"><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="155" rel="nofollow" href="https://www.academia.edu/Documents/in/Evolutionary_Biology">Evolutionary Biology</a>, <script data-card-contents-for-ri="155" type="text/json">{"id":155,"name":"Evolutionary Biology","url":"https://www.academia.edu/Documents/in/Evolutionary_Biology?f_ri=1361","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=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="4315" rel="nofollow" href="https://www.academia.edu/Documents/in/Origins_of_Life">Origins of Life</a>, <script data-card-contents-for-ri="4315" type="text/json">{"id":4315,"name":"Origins of Life","url":"https://www.academia.edu/Documents/in/Origins_of_Life?f_ri=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="5001" rel="nofollow" href="https://www.academia.edu/Documents/in/Astrobiology">Astrobiology</a><script data-card-contents-for-ri="5001" type="text/json">{"id":5001,"name":"Astrobiology","url":"https://www.academia.edu/Documents/in/Astrobiology?f_ri=1361","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=989389]'), work: {"id":989389,"title":"Microfossils of sulphur-metabolizing cells in 3.4-billion-year-old rocks of Western Australia","created_at":"2011-10-08T06:42:50.677-07:00","url":"https://www.academia.edu/989389/Microfossils_of_sulphur_metabolizing_cells_in_3_4_billion_year_old_rocks_of_Western_Australia?f_ri=1361","dom_id":"work_989389","summary":"Sulphur isotope data from early Archaean rocks suggest that microbes with metabolisms based on sulphur existed almost 3.5 billion years ago, leading to suggestions that the earliest microbial ecosystems were sulphur-based 1-5 . However, morphological evidence for these sulphur-metabolizing bacteria has been elusive. Here we report the presence of microstructures from the 3.4-billion-year-old Strelley Pool Formation in Western Australia that are associated with micrometre-sized pyrite crystals. The microstructures we identify exhibit indicators of biological affinity, including hollow cell lumens, carbonaceous cell walls enriched in nitrogen, taphonomic degradation, organization into chains and clusters, and δ 13 C values of −33 to −46 Vienna PeeDee Belemnite (VPDB). We therefore identify them as microfossils of spheroidal and ellipsoidal cells and tubular sheaths demonstrating the organization of multiple cells. The associated pyrite crystals have 33 S values between −1.65 and +1.43 and δ 34 S values ranging from −12 to +6 Vienna Canyon Diablo Troilite (VCDT) 5 . We interpret the pyrite crystals as the metabolic by-products of these cells, which would have employed sulphate-reduction and sulphur-disproportionation pathways. These microfossils are about 200 million years older than previously described 6 microfossils from Palaeoarchaean siliciclastic environments.","downloadable_attachments":[{"id":6053513,"asset_id":989389,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":239,"first_name":"David","last_name":"Wacey","domain_name":"uib","page_name":"DavidWacey","display_name":"David Wacey","profile_url":"https://uib.academia.edu/DavidWacey?f_ri=1361","photo":"https://0.academia-photos.com/239/286411/338771/s65_david.wacey.jpg"}],"research_interests":[{"id":155,"name":"Evolutionary Biology","url":"https://www.academia.edu/Documents/in/Evolutionary_Biology?f_ri=1361","nofollow":true},{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=1361","nofollow":true},{"id":4315,"name":"Origins of Life","url":"https://www.academia.edu/Documents/in/Origins_of_Life?f_ri=1361","nofollow":true},{"id":5001,"name":"Astrobiology","url":"https://www.academia.edu/Documents/in/Astrobiology?f_ri=1361","nofollow":true},{"id":17472,"name":"Palaeoecology","url":"https://www.academia.edu/Documents/in/Palaeoecology?f_ri=1361"},{"id":28160,"name":"Palaeontology","url":"https://www.academia.edu/Documents/in/Palaeontology?f_ri=1361"},{"id":28235,"name":"Multidisciplinary","url":"https://www.academia.edu/Documents/in/Multidisciplinary?f_ri=1361"},{"id":33319,"name":"Nature","url":"https://www.academia.edu/Documents/in/Nature?f_ri=1361"},{"id":56109,"name":"Precambrian Geology","url":"https://www.academia.edu/Documents/in/Precambrian_Geology?f_ri=1361"},{"id":151091,"name":"Nitrogen","url":"https://www.academia.edu/Documents/in/Nitrogen?f_ri=1361"},{"id":271756,"name":"Western Australia","url":"https://www.academia.edu/Documents/in/Western_Australia?f_ri=1361"},{"id":473797,"name":"Microstructures","url":"https://www.academia.edu/Documents/in/Microstructures?f_ri=1361"},{"id":837135,"name":"Cell Wall","url":"https://www.academia.edu/Documents/in/Cell_Wall?f_ri=1361"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_1537277" data-work_id="1537277" 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/1537277/Impervious_and_pervious_pavements_increase_soil_CO_2_concentrations_and_reduce_root_production_of_American_sweetgum_Liquidambar_styraciflua_">Impervious and pervious pavements increase soil CO 2 concentrations and reduce root production of American sweetgum ( Liquidambar styraciflua)</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Mature trees with large canopies help reduce problems of excessive heat and surface runoff in urban areas through shading, transpirational cooling, and interception and absorption of precipitation. Trees in paved impervious areas often... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_1537277" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Mature trees with large canopies help reduce problems of excessive heat and surface runoff in urban areas through shading, transpirational cooling, and interception and absorption of precipitation. Trees in paved impervious areas often suffer from a poor root zone environment. The objective of this experiment was to test if use of pervious concrete could be more beneficial for root growth and consequently a better alternative towards preserving existing mature trees during urban development. We measured root activity through CO2 flux, and also measured root production of American sweetgum under impervious concrete, pervious concrete and no pavement conditions (control). Soil under impervious concrete had lower oxygen concentrations than soil under pervious concrete and control treatments, particularly under wet conditions. Soil under pervious concrete had a 0.020 m3 m−3 (2% volumetric water content (VWC)) greater volumetric water content than soils paved with impervious concrete. Soil CO2 efflux rates and soil CO2 concentrations were extremely high under both concrete treatments. Standing live root length at the end of the experiment was greater under the control treatment than under both concrete treatments and these changes in root production were likely due to high soil CO2 concentrations under both pervious and impervious concrete. The soil type at our site, which is a Ships clay with a very low permeability rate, may have limited CO2 exchange through the pervious pavement. On this heavy clay soil, pervious concrete did not convey any measurable root growth benefits over impervious concrete.</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/1537277" 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="a76e9f5080d81d0854f7c6c0c4e45a34" rel="nofollow" data-download="{"attachment_id":12827455,"asset_id":1537277,"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/12827455/download_file?st=MTc0MDkyNTI2Miw4LjIyMi4yMDguMTQ2&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="1680439" href="https://tamu.academia.edu/JacquelineAitkenheadPeterson">Jacqueline Aitkenhead-Peterson</a><script data-card-contents-for-user="1680439" type="text/json">{"id":1680439,"first_name":"Jacqueline","last_name":"Aitkenhead-Peterson","domain_name":"tamu","page_name":"JacquelineAitkenheadPeterson","display_name":"Jacqueline Aitkenhead-Peterson","profile_url":"https://tamu.academia.edu/JacquelineAitkenheadPeterson?f_ri=1361","photo":"https://0.academia-photos.com/1680439/662589/822585/s65_jacqueline.aitkenhead-peterson.jpg"}</script></span></span></li><li class="js-paper-rank-work_1537277 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="1537277"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 1537277, container: ".js-paper-rank-work_1537277", }); });</script></li><li class="js-percentile-work_1537277 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 = 1537277; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_1537277"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_1537277 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="1537277"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 1537277; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=1537277]").text(description); $(".js-view-count-work_1537277").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_1537277").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="1537277"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i></div><span class="InlineList-item-text u-textTruncate u-pl6x"><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=1361","nofollow":true}</script></span></li><script>(function(){ if (false) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=1537277]'), work: {"id":1537277,"title":"Impervious and pervious pavements increase soil CO 2 concentrations and reduce root production of American sweetgum ( Liquidambar styraciflua)","created_at":"2012-05-05T12:27:04.341-07:00","url":"https://www.academia.edu/1537277/Impervious_and_pervious_pavements_increase_soil_CO_2_concentrations_and_reduce_root_production_of_American_sweetgum_Liquidambar_styraciflua_?f_ri=1361","dom_id":"work_1537277","summary":"Mature trees with large canopies help reduce problems of excessive heat and surface runoff in urban areas through shading, transpirational cooling, and interception and absorption of precipitation. Trees in paved impervious areas often suffer from a poor root zone environment. The objective of this experiment was to test if use of pervious concrete could be more beneficial for root growth and consequently a better alternative towards preserving existing mature trees during urban development. We measured root activity through CO2 flux, and also measured root production of American sweetgum under impervious concrete, pervious concrete and no pavement conditions (control). Soil under impervious concrete had lower oxygen concentrations than soil under pervious concrete and control treatments, particularly under wet conditions. Soil under pervious concrete had a 0.020 m3 m−3 (2% volumetric water content (VWC)) greater volumetric water content than soils paved with impervious concrete. Soil CO2 efflux rates and soil CO2 concentrations were extremely high under both concrete treatments. Standing live root length at the end of the experiment was greater under the control treatment than under both concrete treatments and these changes in root production were likely due to high soil CO2 concentrations under both pervious and impervious concrete. The soil type at our site, which is a Ships clay with a very low permeability rate, may have limited CO2 exchange through the pervious pavement. On this heavy clay soil, pervious concrete did not convey any measurable root growth benefits over impervious concrete.","downloadable_attachments":[{"id":12827455,"asset_id":1537277,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":1680439,"first_name":"Jacqueline","last_name":"Aitkenhead-Peterson","domain_name":"tamu","page_name":"JacquelineAitkenheadPeterson","display_name":"Jacqueline Aitkenhead-Peterson","profile_url":"https://tamu.academia.edu/JacquelineAitkenheadPeterson?f_ri=1361","photo":"https://0.academia-photos.com/1680439/662589/822585/s65_jacqueline.aitkenhead-peterson.jpg"}],"research_interests":[{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=1361","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_31052587" data-work_id="31052587" 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/31052587/Thermal_alteration_of_water_extractable_organic_matter_in_climosequence_soils_from_the_Sierra_Nevada_California">Thermal alteration of water extractable organic matter in climosequence soils from the Sierra Nevada, California</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 next decades, the influence of wildfires in controlling the cycling and composition of soil organic matter (SOM) globally and in the western U.S. is expected to grow. While the impact of fires on bulk SOM has been extensively... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_31052587" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">In the next decades, the influence of wildfires in controlling the cycling and composition of soil organic matter (SOM) globally and in the western U.S. is expected to grow. While the impact of fires on bulk SOM has been extensively studied, the extent at which heating of soil affects the soluble component of SOM remains unclear. Here we investigated the thermal transformations of water-extractable organic matter (WEOM) by examining the changes in the distribution of carbon (C) functional groups in WEOM from soils heated at low and intermediate temperatures. WEOM (<0.7 μm particle size) was extracted from topsoils (0–5 cm depth) of five soil series formed from a nonglaciated granitic bedrock and sampled along a Sierra Nevada climosequence. Soils were heated in a muffle furnace at 150°C, 250°C, and 350°C for 1 h. The extracted solution was analyzed for WEOM aromaticity, mean molecular weight, organic C (OC) concentration, and major structural components by employing optical spectrophotometry and liquid-state 1 H-NMR spectroscopy. At 150°C and 250°C, OC concentrations increased relative to the thermally unaltered samples, with losses of oxygenated functional C groups and enrichment of aliphatic C structures observed at 250°C. Conversely, OC concentration and mean molecular weight decreased as heating increased from 250°C to 350°C, whereas WEOC became more enriched in aromatic C structures. Our results suggest that low and intermediate fire intensities significantly alter the nature of dissolved organic matter exported from soils to rivers in the Sierra Nevada and beyond.</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/31052587" 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="cc6bccf53bc8b0f271dae26972e00b87" rel="nofollow" data-download="{"attachment_id":51486234,"asset_id":31052587,"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/51486234/download_file?st=MTc0MDkyNTI2Miw4LjIyMi4yMDguMTQ2&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="298406" href="https://ucmerced.academia.edu/aaberhe">Asmeret Asefaw Berhe</a><script data-card-contents-for-user="298406" type="text/json">{"id":298406,"first_name":"Asmeret Asefaw","last_name":"Berhe","domain_name":"ucmerced","page_name":"aaberhe","display_name":"Asmeret Asefaw Berhe","profile_url":"https://ucmerced.academia.edu/aaberhe?f_ri=1361","photo":"https://0.academia-photos.com/298406/73642/2061593/s65_asmeret_asefaw.berhe.jpg"}</script></span></span></li><li class="js-paper-rank-work_31052587 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="31052587"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 31052587, container: ".js-paper-rank-work_31052587", }); });</script></li><li class="js-percentile-work_31052587 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 = 31052587; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_31052587"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_31052587 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="31052587"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 31052587; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=31052587]").text(description); $(".js-view-count-work_31052587").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_31052587").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="31052587"><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="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=1361","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=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="4523" rel="nofollow" href="https://www.academia.edu/Documents/in/Water_quality">Water quality</a>, <script data-card-contents-for-ri="4523" type="text/json">{"id":4523,"name":"Water quality","url":"https://www.academia.edu/Documents/in/Water_quality?f_ri=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="12134" rel="nofollow" href="https://www.academia.edu/Documents/in/NMR_Spectroscopy">NMR Spectroscopy</a><script data-card-contents-for-ri="12134" type="text/json">{"id":12134,"name":"NMR Spectroscopy","url":"https://www.academia.edu/Documents/in/NMR_Spectroscopy?f_ri=1361","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=31052587]'), work: {"id":31052587,"title":"Thermal alteration of water extractable organic matter in climosequence soils from the Sierra Nevada, California","created_at":"2017-01-23T12:44:21.774-08:00","url":"https://www.academia.edu/31052587/Thermal_alteration_of_water_extractable_organic_matter_in_climosequence_soils_from_the_Sierra_Nevada_California?f_ri=1361","dom_id":"work_31052587","summary":"In the next decades, the influence of wildfires in controlling the cycling and composition of soil organic matter (SOM) globally and in the western U.S. is expected to grow. While the impact of fires on bulk SOM has been extensively studied, the extent at which heating of soil affects the soluble component of SOM remains unclear. Here we investigated the thermal transformations of water-extractable organic matter (WEOM) by examining the changes in the distribution of carbon (C) functional groups in WEOM from soils heated at low and intermediate temperatures. WEOM (\u003c0.7 μm particle size) was extracted from topsoils (0–5 cm depth) of five soil series formed from a nonglaciated granitic bedrock and sampled along a Sierra Nevada climosequence. Soils were heated in a muffle furnace at 150°C, 250°C, and 350°C for 1 h. The extracted solution was analyzed for WEOM aromaticity, mean molecular weight, organic C (OC) concentration, and major structural components by employing optical spectrophotometry and liquid-state 1 H-NMR spectroscopy. At 150°C and 250°C, OC concentrations increased relative to the thermally unaltered samples, with losses of oxygenated functional C groups and enrichment of aliphatic C structures observed at 250°C. Conversely, OC concentration and mean molecular weight decreased as heating increased from 250°C to 350°C, whereas WEOC became more enriched in aromatic C structures. Our results suggest that low and intermediate fire intensities significantly alter the nature of dissolved organic matter exported from soils to rivers in the Sierra Nevada and beyond.","downloadable_attachments":[{"id":51486234,"asset_id":31052587,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":298406,"first_name":"Asmeret Asefaw","last_name":"Berhe","domain_name":"ucmerced","page_name":"aaberhe","display_name":"Asmeret Asefaw Berhe","profile_url":"https://ucmerced.academia.edu/aaberhe?f_ri=1361","photo":"https://0.academia-photos.com/298406/73642/2061593/s65_asmeret_asefaw.berhe.jpg"}],"research_interests":[{"id":421,"name":"Soil Science","url":"https://www.academia.edu/Documents/in/Soil_Science?f_ri=1361","nofollow":true},{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=1361","nofollow":true},{"id":4523,"name":"Water quality","url":"https://www.academia.edu/Documents/in/Water_quality?f_ri=1361","nofollow":true},{"id":12134,"name":"NMR Spectroscopy","url":"https://www.academia.edu/Documents/in/NMR_Spectroscopy?f_ri=1361","nofollow":true},{"id":18845,"name":"Environmental Sustainability","url":"https://www.academia.edu/Documents/in/Environmental_Sustainability?f_ri=1361"},{"id":170092,"name":"Dissolved organic matter","url":"https://www.academia.edu/Documents/in/Dissolved_organic_matter?f_ri=1361"},{"id":486635,"name":"Dissolved Organic Carbon","url":"https://www.academia.edu/Documents/in/Dissolved_Organic_Carbon?f_ri=1361"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_25044439" data-work_id="25044439" 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/25044439/Modelling_the_Orust_fjord_system_on_the_Swedish_west_coast">Modelling the Orust fjord system on the Swedish west coast</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 use a numerical model to examine the dynamics controlling flushing of the basins of the Orust fjord system on the Swedish west coast over a period of 71 days in the autumn of 2010. This fjord system is known for its seasonal and... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_25044439" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">We use a numerical model to examine the dynamics controlling flushing of the basins of the Orust fjord system on the Swedish west coast over a period of 71 days in the autumn of 2010. This fjord system is known for its seasonal and permanent hypoxic basins; Koljöfjord, Byfjord and Havstensfjord. It is shown that wind direction determines in-and outflows of the basins. Westerly winds result in surface currents towards the interior of the system, and counter currents at the bottom. In contrast, easterly winds cause the export of surface water, which is compensated by upwelling of Skagerrak water. Although these easterly winds cause renewal to take place several times a month in southern Havstensfjord, it occurs only once or twice in the northern part, while Koljöfjord and Byfjord are ventilated about every 3 years. The reduction in density throughout the water column (i.e. weakening of the vertical stratification) is related to the amount of energy being supplied to the deepwater by internal waves, created by barotropic tides across the sills, and wind blowing across the surface. The model shows that, in the southern part of the system, tidal movement dominates the energy supply to the deepwater. Further into the system, the importance of wind energy increases. In Koljöfjord and Byfjord, wind accounts for about 40% of the supplied energy for deepwater mixing. Concurrent weekly measurements taken in each fjord basin reveal that the monthly monitoring programme currently in place cannot adequately resolve the dynamics of the fjords. Modelled and observed currents in Svanesund and Sunninge Strait show prominent baroclinic motion on time-scales between one day and one week, suggesting that monitoring programs that aim to support numerical modelling need to resolve these time scales.</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/25044439" 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="5ca054c8a869aee9b3efdb91b040dc67" rel="nofollow" data-download="{"attachment_id":45367547,"asset_id":25044439,"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/45367547/download_file?st=MTc0MDkyNTI2Miw4LjIyMi4yMDguMTQ2&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="48272816" href="https://gu-se.academia.edu/BengtLiljebladh">Bengt Liljebladh</a><script data-card-contents-for-user="48272816" type="text/json">{"id":48272816,"first_name":"Bengt","last_name":"Liljebladh","domain_name":"gu-se","page_name":"BengtLiljebladh","display_name":"Bengt Liljebladh","profile_url":"https://gu-se.academia.edu/BengtLiljebladh?f_ri=1361","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_25044439 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="25044439"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 25044439, container: ".js-paper-rank-work_25044439", }); });</script></li><li class="js-percentile-work_25044439 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 = 25044439; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-percentile-work_25044439"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_25044439 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="25044439"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 25044439; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=25044439]").text(description); $(".js-view-count-work_25044439").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_25044439").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="25044439"><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="415" rel="nofollow" href="https://www.academia.edu/Documents/in/Oceanography">Oceanography</a>, <script data-card-contents-for-ri="415" type="text/json">{"id":415,"name":"Oceanography","url":"https://www.academia.edu/Documents/in/Oceanography?f_ri=1361","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=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="496224" rel="nofollow" href="https://www.academia.edu/Documents/in/Marine_Systems">Marine Systems</a><script data-card-contents-for-ri="496224" type="text/json">{"id":496224,"name":"Marine Systems","url":"https://www.academia.edu/Documents/in/Marine_Systems?f_ri=1361","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=25044439]'), work: {"id":25044439,"title":"Modelling the Orust fjord system on the Swedish west coast","created_at":"2016-05-05T00:30:04.683-07:00","url":"https://www.academia.edu/25044439/Modelling_the_Orust_fjord_system_on_the_Swedish_west_coast?f_ri=1361","dom_id":"work_25044439","summary":"We use a numerical model to examine the dynamics controlling flushing of the basins of the Orust fjord system on the Swedish west coast over a period of 71 days in the autumn of 2010. This fjord system is known for its seasonal and permanent hypoxic basins; Koljöfjord, Byfjord and Havstensfjord. It is shown that wind direction determines in-and outflows of the basins. Westerly winds result in surface currents towards the interior of the system, and counter currents at the bottom. In contrast, easterly winds cause the export of surface water, which is compensated by upwelling of Skagerrak water. Although these easterly winds cause renewal to take place several times a month in southern Havstensfjord, it occurs only once or twice in the northern part, while Koljöfjord and Byfjord are ventilated about every 3 years. The reduction in density throughout the water column (i.e. weakening of the vertical stratification) is related to the amount of energy being supplied to the deepwater by internal waves, created by barotropic tides across the sills, and wind blowing across the surface. The model shows that, in the southern part of the system, tidal movement dominates the energy supply to the deepwater. Further into the system, the importance of wind energy increases. In Koljöfjord and Byfjord, wind accounts for about 40% of the supplied energy for deepwater mixing. Concurrent weekly measurements taken in each fjord basin reveal that the monthly monitoring programme currently in place cannot adequately resolve the dynamics of the fjords. Modelled and observed currents in Svanesund and Sunninge Strait show prominent baroclinic motion on time-scales between one day and one week, suggesting that monitoring programs that aim to support numerical modelling need to resolve these time scales.","downloadable_attachments":[{"id":45367547,"asset_id":25044439,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":48272816,"first_name":"Bengt","last_name":"Liljebladh","domain_name":"gu-se","page_name":"BengtLiljebladh","display_name":"Bengt Liljebladh","profile_url":"https://gu-se.academia.edu/BengtLiljebladh?f_ri=1361","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":415,"name":"Oceanography","url":"https://www.academia.edu/Documents/in/Oceanography?f_ri=1361","nofollow":true},{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=1361","nofollow":true},{"id":496224,"name":"Marine Systems","url":"https://www.academia.edu/Documents/in/Marine_Systems?f_ri=1361","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_59751107" data-work_id="59751107" 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/59751107/Mercury_and_methylmercury_in_the_Gulf_of_Trieste_northern_Adriatic_Sea_">Mercury and methylmercury in the Gulf of Trieste (northern Adriatic Sea)</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 distribution, sources and fate of mercury (Hg) in the water column of the Gulf of Trieste (northern Adriatic Sea), affected by the Hg polluted river SocayIsonzo for centuries draining the cinnabar-rich deposits of the Idrija mining... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_59751107" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">The distribution, sources and fate of mercury (Hg) in the water column of the Gulf of Trieste (northern Adriatic Sea), affected by the Hg polluted river SocayIsonzo for centuries draining the cinnabar-rich deposits of the Idrija mining district (NW Slovenia), were studied in terms of total and dissolved Hg, reactive Hg, total and dissolved methylmercury (MeHg), mesozooplankton Hg and MeHg, and sedimentation rates of particulate Hg. Higher total Hg concentrations in the surface layer were restricted to the area of the Gulf in front of the river plume expanding in a westerly direction. Higher concentrations in bottom water layers were the consequence of sediment resuspension. Dissolved Hg exhibited higher concentrations in the surface layer in the area in front of the river plume. Higher bottom concentrations of dissolved Hg observed at some stations were probably due to remobilization from sediments, including resuspension and benthic recycling. The relationship between dissolved Hg in the surface layer and salinity showed nonconservative mixing in June 1995 during higher riverine inflow and nearly conservative mixing in September 1995 during lower riverine inflow. Both mixing curves confirm the river SocayIsonzo to be the most important source of total and dissolved Hg, which are significantly correlated, in the Gulf. Reactive Hg is significantly correlated with dissolved Hg, indicating that the majority of dissolved Hg is reactive and potentially involved in biogeochemical transformations. The higher total MeHg in the bottom layer is the result of remobilization of MeHg from sediments including benthic fluxes. Strong seasonal variation of sedimentation rates of particulate Hg was found during a 2-year study in the central part of the Gulf. These variations followed those of total sedimented matter, indicating that sedimented Hg is mostly associated with inorganic matter. About a 2.5-fold higher fluxes of particulate Hg were observed at the depth of 20 m relative to 10 m which is attributed to bottom sediment resuspension. Temporal variability of mesozooplankton Hg and MeHg is the consequence of biomass and species variations, and grazing behaviour. From the preliminary Hg mass balance it appears that the Gulf is an efficient trap for total Hg and a net source of MeHg.</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/59751107" 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="ca176a9b72aee2013850a7aaf6cbcd8d" rel="nofollow" data-download="{"attachment_id":73512360,"asset_id":59751107,"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/73512360/download_file?st=MTc0MDkyNTI2Miw4LjIyMi4yMDguMTQ2&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="31991485" href="https://independent.academia.edu/StefanoCovelli">Stefano Covelli</a><script data-card-contents-for-user="31991485" type="text/json">{"id":31991485,"first_name":"Stefano","last_name":"Covelli","domain_name":"independent","page_name":"StefanoCovelli","display_name":"Stefano Covelli","profile_url":"https://independent.academia.edu/StefanoCovelli?f_ri=1361","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_59751107 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="59751107"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 59751107, container: ".js-paper-rank-work_59751107", }); 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$(".js-view-count[data-work-id=59751107]").text(description); $(".js-view-count-work_59751107").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_59751107").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="59751107"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">19</a>  </div><span class="InlineList-item-text u-textTruncate u-pl10x"><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=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="5411" rel="nofollow" href="https://www.academia.edu/Documents/in/Biomass">Biomass</a>, <script data-card-contents-for-ri="5411" type="text/json">{"id":5411,"name":"Biomass","url":"https://www.academia.edu/Documents/in/Biomass?f_ri=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="11801" rel="nofollow" href="https://www.academia.edu/Documents/in/Environmental_Monitoring">Environmental Monitoring</a>, <script data-card-contents-for-ri="11801" type="text/json">{"id":11801,"name":"Environmental Monitoring","url":"https://www.academia.edu/Documents/in/Environmental_Monitoring?f_ri=1361","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=1361","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=59751107]'), work: {"id":59751107,"title":"Mercury and methylmercury in the Gulf of Trieste (northern Adriatic Sea)","created_at":"2021-10-24T00:34:30.215-07:00","url":"https://www.academia.edu/59751107/Mercury_and_methylmercury_in_the_Gulf_of_Trieste_northern_Adriatic_Sea_?f_ri=1361","dom_id":"work_59751107","summary":"The distribution, sources and fate of mercury (Hg) in the water column of the Gulf of Trieste (northern Adriatic Sea), affected by the Hg polluted river SocayIsonzo for centuries draining the cinnabar-rich deposits of the Idrija mining district (NW Slovenia), were studied in terms of total and dissolved Hg, reactive Hg, total and dissolved methylmercury (MeHg), mesozooplankton Hg and MeHg, and sedimentation rates of particulate Hg. Higher total Hg concentrations in the surface layer were restricted to the area of the Gulf in front of the river plume expanding in a westerly direction. Higher concentrations in bottom water layers were the consequence of sediment resuspension. Dissolved Hg exhibited higher concentrations in the surface layer in the area in front of the river plume. Higher bottom concentrations of dissolved Hg observed at some stations were probably due to remobilization from sediments, including resuspension and benthic recycling. The relationship between dissolved Hg in the surface layer and salinity showed nonconservative mixing in June 1995 during higher riverine inflow and nearly conservative mixing in September 1995 during lower riverine inflow. Both mixing curves confirm the river SocayIsonzo to be the most important source of total and dissolved Hg, which are significantly correlated, in the Gulf. Reactive Hg is significantly correlated with dissolved Hg, indicating that the majority of dissolved Hg is reactive and potentially involved in biogeochemical transformations. The higher total MeHg in the bottom layer is the result of remobilization of MeHg from sediments including benthic fluxes. Strong seasonal variation of sedimentation rates of particulate Hg was found during a 2-year study in the central part of the Gulf. These variations followed those of total sedimented matter, indicating that sedimented Hg is mostly associated with inorganic matter. About a 2.5-fold higher fluxes of particulate Hg were observed at the depth of 20 m relative to 10 m which is attributed to bottom sediment resuspension. Temporal variability of mesozooplankton Hg and MeHg is the consequence of biomass and species variations, and grazing behaviour. From the preliminary Hg mass balance it appears that the Gulf is an efficient trap for total Hg and a net source of MeHg.","downloadable_attachments":[{"id":73512360,"asset_id":59751107,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":31991485,"first_name":"Stefano","last_name":"Covelli","domain_name":"independent","page_name":"StefanoCovelli","display_name":"Stefano Covelli","profile_url":"https://independent.academia.edu/StefanoCovelli?f_ri=1361","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=1361","nofollow":true},{"id":5411,"name":"Biomass","url":"https://www.academia.edu/Documents/in/Biomass?f_ri=1361","nofollow":true},{"id":11801,"name":"Environmental Monitoring","url":"https://www.academia.edu/Documents/in/Environmental_Monitoring?f_ri=1361","nofollow":true},{"id":28235,"name":"Multidisciplinary","url":"https://www.academia.edu/Documents/in/Multidisciplinary?f_ri=1361","nofollow":true},{"id":45213,"name":"Italy","url":"https://www.academia.edu/Documents/in/Italy?f_ri=1361"},{"id":81141,"name":"Mining Industry","url":"https://www.academia.edu/Documents/in/Mining_Industry?f_ri=1361"},{"id":89990,"name":"Estuaries","url":"https://www.academia.edu/Documents/in/Estuaries?f_ri=1361"},{"id":90017,"name":"Mercury","url":"https://www.academia.edu/Documents/in/Mercury?f_ri=1361"},{"id":184467,"name":"Seawater","url":"https://www.academia.edu/Documents/in/Seawater?f_ri=1361"},{"id":192294,"name":"Sediment","url":"https://www.academia.edu/Documents/in/Sediment?f_ri=1361"},{"id":222432,"name":"Seasonal variation","url":"https://www.academia.edu/Documents/in/Seasonal_variation?f_ri=1361"},{"id":289850,"name":"River Plume","url":"https://www.academia.edu/Documents/in/River_Plume?f_ri=1361"},{"id":318566,"name":"Sedimentation","url":"https://www.academia.edu/Documents/in/Sedimentation?f_ri=1361"},{"id":477461,"name":"Coastal Zone","url":"https://www.academia.edu/Documents/in/Coastal_Zone?f_ri=1361"},{"id":958194,"name":"Sedimentation Rate","url":"https://www.academia.edu/Documents/in/Sedimentation_Rate?f_ri=1361"},{"id":1013028,"name":"Food Chain","url":"https://www.academia.edu/Documents/in/Food_Chain?f_ri=1361"},{"id":1136192,"name":"Biological Availability","url":"https://www.academia.edu/Documents/in/Biological_Availability?f_ri=1361"},{"id":1256666,"name":"Geologic Sediments","url":"https://www.academia.edu/Documents/in/Geologic_Sediments?f_ri=1361"},{"id":1707373,"name":"Mass Balance","url":"https://www.academia.edu/Documents/in/Mass_Balance?f_ri=1361"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_10690827" data-work_id="10690827" 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/10690827/Long_Term_Manipulations_of_Intact_Microbial_Mat_Communities_in_a_Greenhouse_Collaboratory_Simulating_Earths_Present_and_Past_Field_Environments">Long-Term Manipulations of Intact Microbial Mat Communities in a Greenhouse Collaboratory: Simulating Earth's Present and Past Field Environments</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/10690827" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span 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class="u-tcGrayDark u-fw700" data-has-card-for-user="26090946" rel="nofollow" href="https://independent.academia.edu/LindaJahnke">Linda Jahnke</a><script data-card-contents-for-user="26090946" type="text/json">{"id":26090946,"first_name":"Linda","last_name":"Jahnke","domain_name":"independent","page_name":"LindaJahnke","display_name":"Linda Jahnke","profile_url":"https://independent.academia.edu/LindaJahnke?f_ri=1361","photo":"https://0.academia-photos.com/26090946/25691341/24384639/s65_linda.jahnke.jpg"}</script></span></span></li><li class="js-paper-rank-work_10690827 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="10690827"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 10690827, container: ".js-paper-rank-work_10690827", }); });</script></li><li class="js-percentile-work_10690827 InlineList-item 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class="clearfix u-pv7x u-mb0x js-work-card work_67316232" data-work_id="67316232" 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/67316232/Influence_of_bed_media_characteristics_on_ammonia_and_nitrate_removal_in_shallow_horizontal_subsurface_flow_constructed_wetlands">Influence of bed media characteristics on ammonia and nitrate removal in shallow horizontal subsurface flow constructed wetlands</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Two bed media were tested (gravel and Filtralite) in shallow horizontal subsurface flow (HSSF) constructed wetlands in order to evaluate the removal of ammonia and nitrate for different types of wastewater (acetate-based and domestic... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_67316232" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Two bed media were tested (gravel and Filtralite) in shallow horizontal subsurface flow (HSSF) constructed wetlands in order to evaluate the removal of ammonia and nitrate for different types of wastewater (acetate-based and domestic wastewater) and different COD/N ratios. The use of Filtralite allowed both higher mass removal rates (1.1 g NH4–N m2 d1 and 3 g NO3–N m2 d1) and removal efficiencies (&gt;62% for ammonia, 90–100% for nitrate), in less than 2 weeks, when compared to the ones observed with gravel. The COD/N ratio seems to have no significant influence on nitrate removal and the removal of both ammonia and nitrate seems to have involved not only the conventional pathways of nitrification–denitrification. The nitrogen loading rate of both ammonia (0.8–2.4 g NH4–N m2 d1) and nitrate (0.6–3.2 g NO3–N m2 d1) seem to have influenced the respective removal rates.</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/67316232" 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="f8f4072d8f7e7c293e801f26849bd699" rel="nofollow" data-download="{"attachment_id":78179015,"asset_id":67316232,"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/78179015/download_file?st=MTc0MDkyNTI2Miw4LjIyMi4yMDguMTQ2&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="153986373" href="https://independent.academia.edu/JoaoOliveira242">Joao Oliveira</a><script data-card-contents-for-user="153986373" type="text/json">{"id":153986373,"first_name":"Joao","last_name":"Oliveira","domain_name":"independent","page_name":"JoaoOliveira242","display_name":"Joao Oliveira","profile_url":"https://independent.academia.edu/JoaoOliveira242?f_ri=1361","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_67316232 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="67316232"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 67316232, container: ".js-paper-rank-work_67316232", }); 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$(".js-view-count[data-work-id=67316232]").text(description); $(".js-view-count-work_67316232").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_67316232").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="67316232"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">20</a>  </div><span class="InlineList-item-text u-textTruncate u-pl10x"><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=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="1372" rel="nofollow" href="https://www.academia.edu/Documents/in/Architecture">Architecture</a>, <script data-card-contents-for-ri="1372" type="text/json">{"id":1372,"name":"Architecture","url":"https://www.academia.edu/Documents/in/Architecture?f_ri=1361","nofollow":true}</script><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=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="3964" rel="nofollow" href="https://www.academia.edu/Documents/in/Biochemical_Engineering">Biochemical Engineering</a><script data-card-contents-for-ri="3964" type="text/json">{"id":3964,"name":"Biochemical Engineering","url":"https://www.academia.edu/Documents/in/Biochemical_Engineering?f_ri=1361","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=67316232]'), work: {"id":67316232,"title":"Influence of bed media characteristics on ammonia and nitrate removal in shallow horizontal subsurface flow constructed wetlands","created_at":"2022-01-05T21:58:13.393-08:00","url":"https://www.academia.edu/67316232/Influence_of_bed_media_characteristics_on_ammonia_and_nitrate_removal_in_shallow_horizontal_subsurface_flow_constructed_wetlands?f_ri=1361","dom_id":"work_67316232","summary":"Two bed media were tested (gravel and Filtralite) in shallow horizontal subsurface flow (HSSF) constructed wetlands in order to evaluate the removal of ammonia and nitrate for different types of wastewater (acetate-based and domestic wastewater) and different COD/N ratios. The use of Filtralite allowed both higher mass removal rates (1.1 g NH4–N m\u00022 d\u00021 and 3 g NO3–N m\u00022 d\u00021) and removal efficiencies (\u0026gt;62% for ammonia, 90–100% for nitrate), in less than 2 weeks, when compared to the ones observed with gravel. The COD/N ratio seems to have no significant influence on nitrate removal and the removal of both ammonia and nitrate seems to have involved not only the conventional pathways of nitrification–denitrification. The nitrogen loading rate of both ammonia (0.8–2.4 g NH4–N m\u00022 d\u00021) and nitrate (0.6–3.2 g NO3–N m\u00022 d\u00021) seem to have influenced the respective removal rates.","downloadable_attachments":[{"id":78179015,"asset_id":67316232,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":153986373,"first_name":"Joao","last_name":"Oliveira","domain_name":"independent","page_name":"JoaoOliveira242","display_name":"Joao Oliveira","profile_url":"https://independent.academia.edu/JoaoOliveira242?f_ri=1361","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=1361","nofollow":true},{"id":1372,"name":"Architecture","url":"https://www.academia.edu/Documents/in/Architecture?f_ri=1361","nofollow":true},{"id":1420,"name":"Aquatic Ecology","url":"https://www.academia.edu/Documents/in/Aquatic_Ecology?f_ri=1361","nofollow":true},{"id":3964,"name":"Biochemical Engineering","url":"https://www.academia.edu/Documents/in/Biochemical_Engineering?f_ri=1361","nofollow":true},{"id":5413,"name":"Bioenergy","url":"https://www.academia.edu/Documents/in/Bioenergy?f_ri=1361"},{"id":6969,"name":"Aquatic Toxicology","url":"https://www.academia.edu/Documents/in/Aquatic_Toxicology?f_ri=1361"},{"id":23848,"name":"Aquaculture","url":"https://www.academia.edu/Documents/in/Aquaculture?f_ri=1361"},{"id":32095,"name":"Biological Engineering","url":"https://www.academia.edu/Documents/in/Biological_Engineering?f_ri=1361"},{"id":54182,"name":"Biofuels","url":"https://www.academia.edu/Documents/in/Biofuels?f_ri=1361"},{"id":83986,"name":"Biological Wastewater Treatment","url":"https://www.academia.edu/Documents/in/Biological_Wastewater_Treatment?f_ri=1361"},{"id":104007,"name":"Biomonitoring","url":"https://www.academia.edu/Documents/in/Biomonitoring?f_ri=1361"},{"id":139774,"name":"Biological Nitrogen Fixation","url":"https://www.academia.edu/Documents/in/Biological_Nitrogen_Fixation?f_ri=1361"},{"id":145538,"name":"Biofertilizers","url":"https://www.academia.edu/Documents/in/Biofertilizers?f_ri=1361"},{"id":219724,"name":"Ammonia","url":"https://www.academia.edu/Documents/in/Ammonia?f_ri=1361"},{"id":293398,"name":"Anammox","url":"https://www.academia.edu/Documents/in/Anammox?f_ri=1361"},{"id":377915,"name":"Bioprocessing","url":"https://www.academia.edu/Documents/in/Bioprocessing?f_ri=1361"},{"id":931644,"name":"Bioproducts","url":"https://www.academia.edu/Documents/in/Bioproducts?f_ri=1361"},{"id":931645,"name":"Biomass Processing","url":"https://www.academia.edu/Documents/in/Biomass_Processing?f_ri=1361"},{"id":956655,"name":"Arctic Tundra","url":"https://www.academia.edu/Documents/in/Arctic_Tundra?f_ri=1361"},{"id":1230523,"name":"Biological Systems Engineering","url":"https://www.academia.edu/Documents/in/Biological_Systems_Engineering?f_ri=1361"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_69429219 coauthored" data-work_id="69429219" 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/69429219/Nutrient_geochemistry_of_lakes_in_north_central_Ohio_Physical_and_anthropogenic_controls">Nutrient geochemistry of lakes in north-central Ohio: Physical and anthropogenic controls</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 ecosystems are particularly vulnerable to environmental change and many are currently under pressure from direct human impacts such as hydraulic modifications, channelization, water abstraction, eutrophication and climate change.... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_69429219" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Aquatic ecosystems are particularly vulnerable to environmental change and many are currently under pressure from direct human impacts such as hydraulic modifications, channelization, water abstraction, eutrophication and climate change. A recent national assessment revealed that almost a quarter of lakes and reservoirs across the lower 48 states are in poor biological condition. This study also shows that poor habitat conditions along the lakeshore and high levels of plant nutrients (nitrogen and phosphorus) are the most significant stressors of lakes and reservoirs in the US. About 20% of all lakes/reservoirs evaluated in the study contain high levels of nutrients, mostly resulting from anthropogenic pressure. This human-induced eutrophication affects the water quality and the ecosystem structure and function of these freshwater habitats. It can also have a significant economic impact due to losses in recreational water usage, waterfront real estate, spending on recovery of threatened and endangered species, and drinking water. Recent estimates have suggested that the economic losses due to eutrophication of US freshwaters are over $2 billion annually. Therefore, assessing the physical and anthropogenic controls on the water quality of lakes/reservoir is a critical challenge for both environmental scientists and water resource managers. Here we present the preliminary results of an ongoing study to determine the trophic state of nine lakes and reservoirs in north-central Ohio, as well as the physical and anthropogenic factors controlling the spatial and seasonal changes on the nutrient dynamic in these systems. We evaluate the influence of land and water use, geology, vegetation, snowmelt, precipitation and atmospheric deposition on the water quality in these lakes, and what are the sources and sinks of nutrients and the magnitude of these material fluxes. The surface area of the studied lakes/reservoirs varies from 28 to 1350 acres. They are nested in mixed-use catchments, with some being surrounded by parks, state forests, and wilderness areas, and others by cropland and developed landscapes. Since this is the first time these ecosystems are being assessed, we also evaluated the geochemistry of major ions (Mg2+, Ca2+, Na+, K+, Cl-, SO42-) and trace elements concentration on all nine lakes/reservoirs.</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/69429219" 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="550a56a76881249bb98ef29379904d0c" rel="nofollow" data-download="{"attachment_id":79531448,"asset_id":69429219,"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/79531448/download_file?st=MTc0MDkyNTI2Miw4LjIyMi4yMDguMTQ2&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="4259201" href="https://osu1.academia.edu/OzeasCosta">Ozeas Costa</a><script data-card-contents-for-user="4259201" type="text/json">{"id":4259201,"first_name":"Ozeas","last_name":"Costa","domain_name":"osu1","page_name":"OzeasCosta","display_name":"Ozeas Costa","profile_url":"https://osu1.academia.edu/OzeasCosta?f_ri=1361","photo":"https://0.academia-photos.com/4259201/1689899/60460719/s65_ozeas.costa.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-69429219">+1</span><div class="hidden js-additional-users-69429219"><div><span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a href="https://independent.academia.edu/CorinneAebersold">Corinne Aebersold</a></span></div></div></span><script>(function(){ var popoverSettings = { el: $('.js-work-more-authors-69429219'), placement: 'bottom', hide_delay: 200, html: true, content: function(){ return $('.js-additional-users-69429219').html(); 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A recent national assessment revealed that almost a quarter of lakes and reservoirs across the lower 48 states are in poor biological condition. This study also shows that poor habitat conditions along the lakeshore and high levels of plant nutrients (nitrogen and phosphorus) are the most significant stressors of lakes and reservoirs in the US. About 20% of all lakes/reservoirs evaluated in the study contain high levels of nutrients, mostly resulting from anthropogenic pressure. This human-induced eutrophication affects the water quality and the ecosystem structure and function of these freshwater habitats. It can also have a significant economic impact due to losses in recreational water usage, waterfront real estate, spending on recovery of threatened and endangered species, and drinking water. Recent estimates have suggested that the economic losses due to eutrophication of US freshwaters are over $2 billion annually. Therefore, assessing the physical and anthropogenic controls on the water quality of lakes/reservoir is a critical challenge for both environmental scientists and water resource managers. Here we present the preliminary results of an ongoing study to determine the trophic state of nine lakes and reservoirs in north-central Ohio, as well as the physical and anthropogenic factors controlling the spatial and seasonal changes on the nutrient dynamic in these systems. We evaluate the influence of land and water use, geology, vegetation, snowmelt, precipitation and atmospheric deposition on the water quality in these lakes, and what are the sources and sinks of nutrients and the magnitude of these material fluxes. The surface area of the studied lakes/reservoirs varies from 28 to 1350 acres. They are nested in mixed-use catchments, with some being surrounded by parks, state forests, and wilderness areas, and others by cropland and developed landscapes. Since this is the first time these ecosystems are being assessed, we also evaluated the geochemistry of major ions (Mg2+, Ca2+, Na+, K+, Cl-, SO42-) and trace elements concentration on all nine lakes/reservoirs.","downloadable_attachments":[{"id":79531448,"asset_id":69429219,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":4259201,"first_name":"Ozeas","last_name":"Costa","domain_name":"osu1","page_name":"OzeasCosta","display_name":"Ozeas Costa","profile_url":"https://osu1.academia.edu/OzeasCosta?f_ri=1361","photo":"https://0.academia-photos.com/4259201/1689899/60460719/s65_ozeas.costa.png"},{"id":213988557,"first_name":"Corinne","last_name":"Aebersold","domain_name":"independent","page_name":"CorinneAebersold","display_name":"Corinne Aebersold","profile_url":"https://independent.academia.edu/CorinneAebersold?f_ri=1361","photo":"https://0.academia-photos.com/213988557/72759433/61229809/s65_corinne.aebersold.png"}],"research_interests":[{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=1361","nofollow":true},{"id":1999,"name":"Limnology","url":"https://www.academia.edu/Documents/in/Limnology?f_ri=1361","nofollow":true},{"id":4523,"name":"Water quality","url":"https://www.academia.edu/Documents/in/Water_quality?f_ri=1361","nofollow":true},{"id":35805,"name":"Nutrient Cycling","url":"https://www.academia.edu/Documents/in/Nutrient_Cycling?f_ri=1361","nofollow":true},{"id":53652,"name":"Lakes","url":"https://www.academia.edu/Documents/in/Lakes?f_ri=1361"},{"id":190486,"name":"Nutrients","url":"https://www.academia.edu/Documents/in/Nutrients?f_ri=1361"},{"id":282438,"name":"Water Quality Assessment","url":"https://www.academia.edu/Documents/in/Water_Quality_Assessment?f_ri=1361"},{"id":622367,"name":"Water Quality","url":"https://www.academia.edu/Documents/in/Water_Quality-1?f_ri=1361"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_45103556 coauthored" data-work_id="45103556" 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/45103556/Strontium_87Sr_86Sr_isotope_analysis_of_the_Namu_skeletal_assemblage_A_study_of_past_human_migration_on_Taumako_a_Polynesian_Outlier_in_the_eastern_Solomon_Islands">Strontium (87Sr/86Sr) isotope analysis of the Namu skeletal assemblage: A study of past human migration on Taumako, a Polynesian Outlier in the eastern Solomon Islands</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Objectives: This study aims to assess if inter-island mobility can be identified during the Namu period (ca. 1,510-1800 AD) using 87Sr/86Sr analysis of dental enamel for individuals from the Namu burial ground on Taumako Island in the... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_45103556" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Objectives: This study aims to assess if inter-island mobility can be identified during the Namu period (ca. 1,510-1800 AD) using 87Sr/86Sr analysis of dental enamel for individuals from the Namu burial ground on Taumako Island in the eastern Solomon Island Chain. Historic evidence from this region suggests that females migrated between the Duff, Reef, and Santa Cruz islands for marriage purposes. We hypothesize that observable trends in migrational (87Sr/86Sr ) and dietary (δ13C and δ15N) isotopes can reveal the relationship between demographic factors, social status, diet, and female mobility on Taumako. Methods: This research analyzes enamel 87Sr/86Sr  for 58 individuals in the Namu skeletal sample. The 87Sr/86Sr results were compared with published dietary isotope data (bone collagen and dentin δ13C and δ15N values) and type/number of grave goods to assess whether trends within the data may be related to sex, age, or burial wealth. Results: The results show that females display significantly higher 87Sr/86Sr  values compared to males. One young adult female displayed a 87Sr/86Sr  value that was +2SD outside the mean for the sampled individuals. A linear mixed-effects model and principle components analysis of 87Sr/86Sr, δ13C, and δ15N values suggest that wealth, sex, and age-cohort membership have an observable influence on the isotopic variation for the Taumako population. Conclusion: We suggest that during the Namu period, Taumako was patrilocal and that some females migrated there from the nearby Santa Cruz and Reef islands. One female immigrated to Taumako from a geologically distinct region outside of the Duff, Reef, and Santa Cruz Island groups. <br /><br />KEYWORDS: bioarchaeology, biogeochemistry, isotope analysis, migration, Polynesian Outlier, Solomon Islands</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/45103556" 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="6e94d9121c091c6419ae71d3b201880e" rel="nofollow" data-download="{"attachment_id":65667930,"asset_id":45103556,"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/65667930/download_file?st=MTc0MDkyNTI2Miw4LjIyMi4yMDguMTQ2&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="5702096" href="https://otago.academia.edu/RTKramer">Robyn T Kramer</a><script data-card-contents-for-user="5702096" type="text/json">{"id":5702096,"first_name":"Robyn","last_name":"Kramer","domain_name":"otago","page_name":"RTKramer","display_name":"Robyn T Kramer","profile_url":"https://otago.academia.edu/RTKramer?f_ri=1361","photo":"https://0.academia-photos.com/5702096/2473641/72414688/s65_robyn.kramer.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-45103556">+1</span><div class="hidden js-additional-users-45103556"><div><span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a href="https://otago.academia.edu/CharlotteKing">Charlotte King</a></span></div></div></span><script>(function(){ var popoverSettings = { el: $('.js-work-more-authors-45103556'), placement: 'bottom', hide_delay: 200, html: true, content: function(){ return $('.js-additional-users-45103556').html(); 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container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_45103556 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="45103556"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 45103556; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=45103556]").text(description); $(".js-view-count-work_45103556").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_45103556").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="45103556"><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="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=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="1703" rel="nofollow" href="https://www.academia.edu/Documents/in/Stable_Isotope_Analysis">Stable Isotope Analysis</a>, <script data-card-contents-for-ri="1703" type="text/json">{"id":1703,"name":"Stable Isotope Analysis","url":"https://www.academia.edu/Documents/in/Stable_Isotope_Analysis?f_ri=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="1704" rel="nofollow" href="https://www.academia.edu/Documents/in/Bioarchaeology">Bioarchaeology</a>, <script data-card-contents-for-ri="1704" type="text/json">{"id":1704,"name":"Bioarchaeology","url":"https://www.academia.edu/Documents/in/Bioarchaeology?f_ri=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="14730" rel="nofollow" href="https://www.academia.edu/Documents/in/Migration_Studies">Migration Studies</a><script data-card-contents-for-ri="14730" type="text/json">{"id":14730,"name":"Migration Studies","url":"https://www.academia.edu/Documents/in/Migration_Studies?f_ri=1361","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=45103556]'), work: {"id":45103556,"title":"Strontium (87Sr/86Sr) isotope analysis of the Namu skeletal assemblage: A study of past human migration on Taumako, a Polynesian Outlier in the eastern Solomon Islands","created_at":"2021-02-11T16:54:15.792-08:00","url":"https://www.academia.edu/45103556/Strontium_87Sr_86Sr_isotope_analysis_of_the_Namu_skeletal_assemblage_A_study_of_past_human_migration_on_Taumako_a_Polynesian_Outlier_in_the_eastern_Solomon_Islands?f_ri=1361","dom_id":"work_45103556","summary":"Objectives: This study aims to assess if inter-island mobility can be identified during the Namu period (ca. 1,510-1800 AD) using 87Sr/86Sr analysis of dental enamel for individuals from the Namu burial ground on Taumako Island in the eastern Solomon Island Chain. Historic evidence from this region suggests that females migrated between the Duff, Reef, and Santa Cruz islands for marriage purposes. We hypothesize that observable trends in migrational (87Sr/86Sr ) and dietary (δ13C and δ15N) isotopes can reveal the relationship between demographic factors, social status, diet, and female mobility on Taumako. Methods: This research analyzes enamel 87Sr/86Sr for 58 individuals in the Namu skeletal sample. The 87Sr/86Sr results were compared with published dietary isotope data (bone collagen and dentin δ13C and δ15N values) and type/number of grave goods to assess whether trends within the data may be related to sex, age, or burial wealth. Results: The results show that females display significantly higher 87Sr/86Sr values compared to males. One young adult female displayed a 87Sr/86Sr value that was +2SD outside the mean for the sampled individuals. A linear mixed-effects model and principle components analysis of 87Sr/86Sr, δ13C, and δ15N values suggest that wealth, sex, and age-cohort membership have an observable influence on the isotopic variation for the Taumako population. Conclusion: We suggest that during the Namu period, Taumako was patrilocal and that some females migrated there from the nearby Santa Cruz and Reef islands. One female immigrated to Taumako from a geologically distinct region outside of the Duff, Reef, and Santa Cruz Island groups. \n\nKEYWORDS: bioarchaeology, biogeochemistry, isotope analysis, migration, Polynesian Outlier, Solomon Islands","downloadable_attachments":[{"id":65667930,"asset_id":45103556,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":5702096,"first_name":"Robyn","last_name":"Kramer","domain_name":"otago","page_name":"RTKramer","display_name":"Robyn T Kramer","profile_url":"https://otago.academia.edu/RTKramer?f_ri=1361","photo":"https://0.academia-photos.com/5702096/2473641/72414688/s65_robyn.kramer.jpg"},{"id":296483,"first_name":"Charlotte","last_name":"King","domain_name":"otago","page_name":"CharlotteKing","display_name":"Charlotte King","profile_url":"https://otago.academia.edu/CharlotteKing?f_ri=1361","photo":"https://0.academia-photos.com/296483/73125/1063580/s65_charlotte.king.jpg"}],"research_interests":[{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=1361","nofollow":true},{"id":1703,"name":"Stable Isotope Analysis","url":"https://www.academia.edu/Documents/in/Stable_Isotope_Analysis?f_ri=1361","nofollow":true},{"id":1704,"name":"Bioarchaeology","url":"https://www.academia.edu/Documents/in/Bioarchaeology?f_ri=1361","nofollow":true},{"id":14730,"name":"Migration Studies","url":"https://www.academia.edu/Documents/in/Migration_Studies?f_ri=1361","nofollow":true},{"id":56403,"name":"Solomon Islands","url":"https://www.academia.edu/Documents/in/Solomon_Islands?f_ri=1361"},{"id":462496,"name":"Pacific and Island Southeast Asian Archaeology","url":"https://www.academia.edu/Documents/in/Pacific_and_Island_Southeast_Asian_Archaeology?f_ri=1361"},{"id":2139652,"name":"Polynesian Outliers","url":"https://www.academia.edu/Documents/in/Polynesian_Outliers?f_ri=1361"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_13103721" data-work_id="13103721" 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/13103721/Influence_of_bacteria_and_salinity_on_diatom_biogenic_silica_dissolution_in_estuarine_systems">Influence of bacteria and salinity on diatom biogenic silica dissolution in estuarine 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">Dissolution of diatom biogenic silica (bSiO 2 ) in estuaries and its control by water salinity and bacteria were investigated using the river euryhaline species Cyclotella meneghiniana as a model. Laboratory-controlled bioassays conducted... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_13103721" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Dissolution of diatom biogenic silica (bSiO 2 ) in estuaries and its control by water salinity and bacteria were investigated using the river euryhaline species Cyclotella meneghiniana as a model. Laboratory-controlled bioassays conducted at different salinities with an estuarine bacteria inoculum showed a faster dissolution of diatom bSiO 2 at the lowest salinity where bacteria were the most abundant. However in another experiment, salinity increase clearly enhanced the dissolution of cleaned frustules (organic matter free). The presence of active bacteria might therefore predominate on the effect of salinity for freshly lysed diatoms whereas salinity might rather control dissolution of organic-matterfree frustule remains. Incubation of cultivated diatoms at different protease concentrations revealed that high proteolytic activities had little effect on bSiO 2 dissolution at a 1-month scale in spite of an efficient removal of organic matter from the frustules. Altogether it is hypothesized that bacterial colonization increases bSiO 2 dissolution by creating a microenvironment at the diatom surface with high ectoproteolytic activity but also via the release of metabolic byproducts since the presence of organic matter seems generally to facilitate diatom bSiO 2 dissolution.</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/13103721" 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="85eacca4f690a999f43f61f2b1604cef" rel="nofollow" data-download="{"attachment_id":45673946,"asset_id":13103721,"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/45673946/download_file?st=MTc0MDkyNTI2Miw4LjIyMi4yMDguMTQ2&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="32354157" href="https://independent.academia.edu/SylvieBecquevort">Sylvie Becquevort</a><script data-card-contents-for-user="32354157" type="text/json">{"id":32354157,"first_name":"Sylvie","last_name":"Becquevort","domain_name":"independent","page_name":"SylvieBecquevort","display_name":"Sylvie Becquevort","profile_url":"https://independent.academia.edu/SylvieBecquevort?f_ri=1361","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_13103721 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="13103721"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 13103721, container: ".js-paper-rank-work_13103721", }); 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$(".js-view-count[data-work-id=13103721]").text(description); $(".js-view-count-work_13103721").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_13103721").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="13103721"><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="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=1361","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=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="48127" rel="nofollow" href="https://www.academia.edu/Documents/in/Concentration">Concentration</a>, <script data-card-contents-for-ri="48127" type="text/json">{"id":48127,"name":"Concentration","url":"https://www.academia.edu/Documents/in/Concentration?f_ri=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="65140" rel="nofollow" href="https://www.academia.edu/Documents/in/Models">Models</a><script data-card-contents-for-ri="65140" type="text/json">{"id":65140,"name":"Models","url":"https://www.academia.edu/Documents/in/Models?f_ri=1361","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=13103721]'), work: {"id":13103721,"title":"Influence of bacteria and salinity on diatom biogenic silica dissolution in estuarine systems","created_at":"2015-06-19T08:07:41.701-07:00","url":"https://www.academia.edu/13103721/Influence_of_bacteria_and_salinity_on_diatom_biogenic_silica_dissolution_in_estuarine_systems?f_ri=1361","dom_id":"work_13103721","summary":"Dissolution of diatom biogenic silica (bSiO 2 ) in estuaries and its control by water salinity and bacteria were investigated using the river euryhaline species Cyclotella meneghiniana as a model. Laboratory-controlled bioassays conducted at different salinities with an estuarine bacteria inoculum showed a faster dissolution of diatom bSiO 2 at the lowest salinity where bacteria were the most abundant. However in another experiment, salinity increase clearly enhanced the dissolution of cleaned frustules (organic matter free). The presence of active bacteria might therefore predominate on the effect of salinity for freshly lysed diatoms whereas salinity might rather control dissolution of organic-matterfree frustule remains. Incubation of cultivated diatoms at different protease concentrations revealed that high proteolytic activities had little effect on bSiO 2 dissolution at a 1-month scale in spite of an efficient removal of organic matter from the frustules. Altogether it is hypothesized that bacterial colonization increases bSiO 2 dissolution by creating a microenvironment at the diatom surface with high ectoproteolytic activity but also via the release of metabolic byproducts since the presence of organic matter seems generally to facilitate diatom bSiO 2 dissolution.","downloadable_attachments":[{"id":45673946,"asset_id":13103721,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":32354157,"first_name":"Sylvie","last_name":"Becquevort","domain_name":"independent","page_name":"SylvieBecquevort","display_name":"Sylvie Becquevort","profile_url":"https://independent.academia.edu/SylvieBecquevort?f_ri=1361","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":407,"name":"Geochemistry","url":"https://www.academia.edu/Documents/in/Geochemistry?f_ri=1361","nofollow":true},{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=1361","nofollow":true},{"id":48127,"name":"Concentration","url":"https://www.academia.edu/Documents/in/Concentration?f_ri=1361","nofollow":true},{"id":65140,"name":"Models","url":"https://www.academia.edu/Documents/in/Models?f_ri=1361","nofollow":true},{"id":82107,"name":"Salinity","url":"https://www.academia.edu/Documents/in/Salinity?f_ri=1361"},{"id":89990,"name":"Estuaries","url":"https://www.academia.edu/Documents/in/Estuaries?f_ri=1361"},{"id":98440,"name":"Silica","url":"https://www.academia.edu/Documents/in/Silica?f_ri=1361"},{"id":113903,"name":"Bacteria","url":"https://www.academia.edu/Documents/in/Bacteria?f_ri=1361"},{"id":178355,"name":"Dissolution","url":"https://www.academia.edu/Documents/in/Dissolution?f_ri=1361"},{"id":254223,"name":"Biogenic silica","url":"https://www.academia.edu/Documents/in/Biogenic_silica?f_ri=1361"},{"id":970387,"name":"Organic Matter","url":"https://www.academia.edu/Documents/in/Organic_Matter?f_ri=1361"},{"id":2142568,"name":"Thallophyta","url":"https://www.academia.edu/Documents/in/Thallophyta?f_ri=1361"},{"id":2412024,"name":"Proteolytic activity","url":"https://www.academia.edu/Documents/in/Proteolytic_activity?f_ri=1361"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_9028537 coauthored" data-work_id="9028537" 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/9028537/Metal_metalloid_accumulation_remobilization_during_aquatic_litter_decomposition_in_freshwater_A_review">Metal/metalloid accumulation/remobilization during aquatic litter decomposition in freshwater: A review</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 focus of this article is to combine two main areas of research activities in freshwater ecosystems: the effect of inorganic pollutants on freshwater ecosystems and litter decomposition as a fundamental ecological process in streams.... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_9028537" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">The focus of this article is to combine two main areas of research activities in freshwater ecosystems: the effect of inorganic pollutants on freshwater ecosystems and litter decomposition as a fundamental ecological process in streams. The decomposition of plant litter in aquatic systems as a main energy source in running water ecosystems proceeds in three distinct temporal stages of leaching, conditioning and fragmentation. During these stages metals and metalloids may be fixed by litter, its decay products and the associated organisms. The global-scale problem of contaminated freshwater ecosystems by metals and metalloids has led to many investigations on the acute and chronic toxicity of these elements to plants and animals as well as the impact on animal activity under laboratory conditions. Where sorption properties and accumulation/remobilization potential of metals in sediments and attached microorganisms are quite well understood, the combination of both research areas concerning the impact of higher trophic levels on the modification of sediment sorption conditions and the influence of metal/metalloid pollution on decomposition of plant litter mediated by decomposer community, as well as the effect of high metal load during litter decay on organism health under field conditions, has still to be elucidated. So far it was found that microbes and invertebrate shredder (species of the genera Gammarus and Asellus) have a significant influence on metal fixation on litter. Not many studies focus on the impact of other functional groups affecting litter decay (e.g. grazer and collectors) or other main processes in freshwater ecosystems like bioturbation (e.g. Tubifex, Chironomus) on metal fixation/release.</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/9028537" 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="202ad7c6bfcafc0c24d162f2f1ae3ae7" rel="nofollow" data-download="{"attachment_id":35402569,"asset_id":9028537,"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/35402569/download_file?st=MTc0MDkyNTI2Miw4LjIyMi4yMDguMTQ2&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="17258605" href="https://independent.academia.edu/MartinMkandawire">Martin Mkandawire</a><script data-card-contents-for-user="17258605" type="text/json">{"id":17258605,"first_name":"Martin","last_name":"Mkandawire","domain_name":"independent","page_name":"MartinMkandawire","display_name":"Martin Mkandawire","profile_url":"https://independent.academia.edu/MartinMkandawire?f_ri=1361","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-9028537">+2</span><div class="hidden js-additional-users-9028537"><div><span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a href="https://uni-bayreuth.academia.edu/J%C3%B6rgSchaller">Jörg Schaller</a></span></div><div><span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a href="https://independent.academia.edu/CarstenBrackhage">Carsten Brackhage</a></span></div></div></span><script>(function(){ var popoverSettings = { el: $('.js-work-more-authors-9028537'), placement: 'bottom', hide_delay: 200, html: true, content: function(){ return $('.js-additional-users-9028537').html(); 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The decomposition of plant litter in aquatic systems as a main energy source in running water ecosystems proceeds in three distinct temporal stages of leaching, conditioning and fragmentation. During these stages metals and metalloids may be fixed by litter, its decay products and the associated organisms. The global-scale problem of contaminated freshwater ecosystems by metals and metalloids has led to many investigations on the acute and chronic toxicity of these elements to plants and animals as well as the impact on animal activity under laboratory conditions. Where sorption properties and accumulation/remobilization potential of metals in sediments and attached microorganisms are quite well understood, the combination of both research areas concerning the impact of higher trophic levels on the modification of sediment sorption conditions and the influence of metal/metalloid pollution on decomposition of plant litter mediated by decomposer community, as well as the effect of high metal load during litter decay on organism health under field conditions, has still to be elucidated. So far it was found that microbes and invertebrate shredder (species of the genera Gammarus and Asellus) have a significant influence on metal fixation on litter. Not many studies focus on the impact of other functional groups affecting litter decay (e.g. grazer and collectors) or other main processes in freshwater ecosystems like bioturbation (e.g. Tubifex, Chironomus) on metal fixation/release.","downloadable_attachments":[{"id":35402569,"asset_id":9028537,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":17258605,"first_name":"Martin","last_name":"Mkandawire","domain_name":"independent","page_name":"MartinMkandawire","display_name":"Martin Mkandawire","profile_url":"https://independent.academia.edu/MartinMkandawire?f_ri=1361","photo":"/images/s65_no_pic.png"},{"id":20339732,"first_name":"Jörg","last_name":"Schaller","domain_name":"uni-bayreuth","page_name":"JörgSchaller","display_name":"Jörg Schaller","profile_url":"https://uni-bayreuth.academia.edu/J%C3%B6rgSchaller?f_ri=1361","photo":"/images/s65_no_pic.png"},{"id":34160733,"first_name":"Carsten","last_name":"Brackhage","domain_name":"independent","page_name":"CarstenBrackhage","display_name":"Carsten Brackhage","profile_url":"https://independent.academia.edu/CarstenBrackhage?f_ri=1361","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=1361","nofollow":true},{"id":15371,"name":"Removal Of Heavy Metals In Contaminated Soils","url":"https://www.academia.edu/Documents/in/Removal_Of_Heavy_Metals_In_Contaminated_Soils?f_ri=1361","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_3384485" data-work_id="3384485" 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/3384485/Enhanced_dissolution_of_cinnabar_mercuric_sulfide_by_dissolved_organic_matter_isolated_from_the_Florida_Everglades">Enhanced dissolution of cinnabar (mercuric sulfide) by dissolved organic matter isolated from the Florida Everglades</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Organic matter isolated from the Florida Everglades caused a dramatic increase in mercury release (up to 35 µM total dissolved mercury) from cinnabar (HgS), a solid with limited solubility. Hydrophobic (a mixture of both humic and fulvic)... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_3384485" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Organic matter isolated from the Florida Everglades caused a dramatic increase in mercury release (up to 35 µM total dissolved mercury) from cinnabar (HgS), a solid with limited solubility. Hydrophobic (a mixture of both humic and fulvic) acids dissolved more mercury than hydrophilic acids and other nonacid fractions of dissolved organic matter (DOM). Cinnabar dissolution by isolated organic matter and natural water samples was inhibited by cations such as Ca 2+ . Dissolution was independent of oxygen content in experimental solutions. Dissolution experiments conducted in DI water (pH ) 6.0) had no detectable (<2.5 nM) dissolved mercury. The presence of various inorganic (chloride, sulfate, or sulfide) and organic ligands (salicylic acid, acetic acid, EDTA, or cysteine) did not enhance the dissolution of mercury from the mineral. Aromatic carbon content in the isolates (determined by 13 C NMR) correlated positively with enhanced cinnabar dissolution. -potential measurements indicated sorption of negatively charged organic matter to the negatively charged cinnabar (pH pzc ) 4.0) at pH 6.0. Possible mechanisms of dissolution include surface complexation of mercury and oxidation of surface sulfur species by the organic matter.</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/3384485" 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="ec4cb5ac2a360b3a6057ee23ac7f8694" rel="nofollow" data-download="{"attachment_id":31179786,"asset_id":3384485,"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/31179786/download_file?st=MTc0MDkyNTI2Miw4LjIyMi4yMDguMTQ2&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="3936530" href="https://unitedstatesgeologicalsurvey.academia.edu/MichaelReddy">Michael Reddy</a><script data-card-contents-for-user="3936530" type="text/json">{"id":3936530,"first_name":"Michael","last_name":"Reddy","domain_name":"unitedstatesgeologicalsurvey","page_name":"MichaelReddy","display_name":"Michael Reddy","profile_url":"https://unitedstatesgeologicalsurvey.academia.edu/MichaelReddy?f_ri=1361","photo":"https://0.academia-photos.com/3936530/2258338/3144496/s65_michael.reddy.jpg"}</script></span></span></li><li class="js-paper-rank-work_3384485 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="3384485"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 3384485, container: ".js-paper-rank-work_3384485", }); 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$(".js-view-count[data-work-id=3384485]").text(description); $(".js-view-count-work_3384485").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_3384485").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="3384485"><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="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=1361","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=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="4552" rel="nofollow" href="https://www.academia.edu/Documents/in/Ecotoxicology">Ecotoxicology</a>, <script data-card-contents-for-ri="4552" type="text/json">{"id":4552,"name":"Ecotoxicology","url":"https://www.academia.edu/Documents/in/Ecotoxicology?f_ri=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="90017" rel="nofollow" href="https://www.academia.edu/Documents/in/Mercury">Mercury</a><script data-card-contents-for-ri="90017" type="text/json">{"id":90017,"name":"Mercury","url":"https://www.academia.edu/Documents/in/Mercury?f_ri=1361","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=3384485]'), work: {"id":3384485,"title":"Enhanced dissolution of cinnabar (mercuric sulfide) by dissolved organic matter isolated from the Florida Everglades","created_at":"2013-04-25T03:23:01.679-07:00","url":"https://www.academia.edu/3384485/Enhanced_dissolution_of_cinnabar_mercuric_sulfide_by_dissolved_organic_matter_isolated_from_the_Florida_Everglades?f_ri=1361","dom_id":"work_3384485","summary":"Organic matter isolated from the Florida Everglades caused a dramatic increase in mercury release (up to 35 µM total dissolved mercury) from cinnabar (HgS), a solid with limited solubility. Hydrophobic (a mixture of both humic and fulvic) acids dissolved more mercury than hydrophilic acids and other nonacid fractions of dissolved organic matter (DOM). Cinnabar dissolution by isolated organic matter and natural water samples was inhibited by cations such as Ca 2+ . Dissolution was independent of oxygen content in experimental solutions. Dissolution experiments conducted in DI water (pH ) 6.0) had no detectable (\u003c2.5 nM) dissolved mercury. The presence of various inorganic (chloride, sulfate, or sulfide) and organic ligands (salicylic acid, acetic acid, EDTA, or cysteine) did not enhance the dissolution of mercury from the mineral. Aromatic carbon content in the isolates (determined by 13 C NMR) correlated positively with enhanced cinnabar dissolution. -potential measurements indicated sorption of negatively charged organic matter to the negatively charged cinnabar (pH pzc ) 4.0) at pH 6.0. Possible mechanisms of dissolution include surface complexation of mercury and oxidation of surface sulfur species by the organic matter.","downloadable_attachments":[{"id":31179786,"asset_id":3384485,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":3936530,"first_name":"Michael","last_name":"Reddy","domain_name":"unitedstatesgeologicalsurvey","page_name":"MichaelReddy","display_name":"Michael Reddy","profile_url":"https://unitedstatesgeologicalsurvey.academia.edu/MichaelReddy?f_ri=1361","photo":"https://0.academia-photos.com/3936530/2258338/3144496/s65_michael.reddy.jpg"}],"research_interests":[{"id":159,"name":"Microbiology","url":"https://www.academia.edu/Documents/in/Microbiology?f_ri=1361","nofollow":true},{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=1361","nofollow":true},{"id":4552,"name":"Ecotoxicology","url":"https://www.academia.edu/Documents/in/Ecotoxicology?f_ri=1361","nofollow":true},{"id":90017,"name":"Mercury","url":"https://www.academia.edu/Documents/in/Mercury?f_ri=1361","nofollow":true},{"id":963087,"name":"Trophic Food Web","url":"https://www.academia.edu/Documents/in/Trophic_Food_Web?f_ri=1361"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_946972" data-work_id="946972" 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/946972/The_Relationship_Between_Carbon_Input_Aggregation_and_Soil_Organic_Carbon_Stabilization_In_Sustainable_Cropping_Systems">The Relationship Between Carbon Input, Aggregation, and Soil Organic Carbon Stabilization In Sustainable Cropping Systems</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest">the underlying processes, capacity, and longevity of C pools in agricultural lands.</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/946972" data-share-source="work_strip" data-spinner="small_white_hide_contents"><i class="fa fa-plus"></i><span 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class="u-tcGrayDark u-fw700" data-has-card-for-user="783701" href="https://tnau.academia.edu/RajagopalVadivel">Rajagopal Vadivel</a><script data-card-contents-for-user="783701" type="text/json">{"id":783701,"first_name":"Rajagopal","last_name":"Vadivel","domain_name":"tnau","page_name":"RajagopalVadivel","display_name":"Rajagopal Vadivel","profile_url":"https://tnau.academia.edu/RajagopalVadivel?f_ri=1361","photo":"https://0.academia-photos.com/783701/265533/314125/s65_rajagopal.vadivel.jpg"}</script></span></span></li><li class="js-paper-rank-work_946972 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="946972"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 946972, container: ".js-paper-rank-work_946972", }); });</script></li><li class="js-percentile-work_946972 InlineList-item InlineList-item--bordered hidden 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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=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="3530" rel="nofollow" href="https://www.academia.edu/Documents/in/Sustainable_agriculture">Sustainable agriculture</a>, <script data-card-contents-for-ri="3530" type="text/json">{"id":3530,"name":"Sustainable agriculture","url":"https://www.academia.edu/Documents/in/Sustainable_agriculture?f_ri=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="4580" rel="nofollow" href="https://www.academia.edu/Documents/in/Organic_Geochemistry">Organic Geochemistry</a><script data-card-contents-for-ri="4580" type="text/json">{"id":4580,"name":"Organic Geochemistry","url":"https://www.academia.edu/Documents/in/Organic_Geochemistry?f_ri=1361","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=946972]'), work: {"id":946972,"title":"The Relationship Between Carbon Input, Aggregation, and Soil Organic Carbon Stabilization In Sustainable Cropping Systems","created_at":"2011-09-24T12:35:16.579-07:00","url":"https://www.academia.edu/946972/The_Relationship_Between_Carbon_Input_Aggregation_and_Soil_Organic_Carbon_Stabilization_In_Sustainable_Cropping_Systems?f_ri=1361","dom_id":"work_946972","summary":"the underlying processes, capacity, and longevity of C pools in agricultural lands.","downloadable_attachments":[{"id":5787252,"asset_id":946972,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":783701,"first_name":"Rajagopal","last_name":"Vadivel","domain_name":"tnau","page_name":"RajagopalVadivel","display_name":"Rajagopal Vadivel","profile_url":"https://tnau.academia.edu/RajagopalVadivel?f_ri=1361","photo":"https://0.academia-photos.com/783701/265533/314125/s65_rajagopal.vadivel.jpg"}],"research_interests":[{"id":421,"name":"Soil Science","url":"https://www.academia.edu/Documents/in/Soil_Science?f_ri=1361","nofollow":true},{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=1361","nofollow":true},{"id":3530,"name":"Sustainable agriculture","url":"https://www.academia.edu/Documents/in/Sustainable_agriculture?f_ri=1361","nofollow":true},{"id":4580,"name":"Organic Geochemistry","url":"https://www.academia.edu/Documents/in/Organic_Geochemistry?f_ri=1361","nofollow":true},{"id":5303,"name":"Carbon","url":"https://www.academia.edu/Documents/in/Carbon?f_ri=1361"},{"id":11643,"name":"Carbon Sequestration","url":"https://www.academia.edu/Documents/in/Carbon_Sequestration?f_ri=1361"},{"id":14719,"name":"Carbon Cycle","url":"https://www.academia.edu/Documents/in/Carbon_Cycle?f_ri=1361"},{"id":47884,"name":"Biological Sciences","url":"https://www.academia.edu/Documents/in/Biological_Sciences?f_ri=1361"},{"id":58054,"name":"Environmental Sciences","url":"https://www.academia.edu/Documents/in/Environmental_Sciences?f_ri=1361"},{"id":194454,"name":"Soil Carbon","url":"https://www.academia.edu/Documents/in/Soil_Carbon?f_ri=1361"},{"id":234752,"name":"Agricultural land use change","url":"https://www.academia.edu/Documents/in/Agricultural_land_use_change?f_ri=1361"},{"id":339532,"name":"Bayesian hierarchical model","url":"https://www.academia.edu/Documents/in/Bayesian_hierarchical_model?f_ri=1361"},{"id":345845,"name":"Soil Structure","url":"https://www.academia.edu/Documents/in/Soil_Structure?f_ri=1361"},{"id":454574,"name":"Soil Organic Carbon","url":"https://www.academia.edu/Documents/in/Soil_Organic_Carbon?f_ri=1361"},{"id":543495,"name":"Soil Biology","url":"https://www.academia.edu/Documents/in/Soil_Biology?f_ri=1361"},{"id":564368,"name":"Mediterranean Climate","url":"https://www.academia.edu/Documents/in/Mediterranean_Climate?f_ri=1361"},{"id":585192,"name":"Organic carbon","url":"https://www.academia.edu/Documents/in/Organic_carbon?f_ri=1361"},{"id":970387,"name":"Organic Matter","url":"https://www.academia.edu/Documents/in/Organic_Matter?f_ri=1361"},{"id":1228946,"name":"Physical Properties","url":"https://www.academia.edu/Documents/in/Physical_Properties?f_ri=1361"},{"id":1243706,"name":"Cropping System","url":"https://www.academia.edu/Documents/in/Cropping_System?f_ri=1361"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_29897139" data-work_id="29897139" 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/29897139/The_exceptionally_stable_cobalt_III_desferrioxamine_B_complex">The exceptionally stable cobalt(III)–desferrioxamine B complex</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 systematic density functional theory study supported by extended X-ray absorption fine structure (EXAFS) and infrared spectroscopic data was conducted to elucidate how structure and vibrational spectra of aqueous desferrioxamine B... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_29897139" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">A systematic density functional theory study supported by extended X-ray absorption fine structure (EXAFS) and infrared spectroscopic data was conducted to elucidate how structure and vibrational spectra of aqueous desferrioxamine B (DFOB) metal complexes vary with the metal ion identity. Structural parameters derived from EXAFS analyses and trends in metal binding constants are well reproduced and validated by the applied computational model. Vibrational mode analysis guides determination and recognition of crucial structureand metal-sensitive infrared marker bands. The key marker bands, CO and CN stretching modes, dominate the infrared spectra in the 1400-1650 cm −1 region. The modes are sensitive to the stability and size of the metal core (first coordination shell) and indicative of its deformation from the octahedral symmetry. The results shed light on the fundamental structural and electronic factors that control metal binding by siderophores, and drive their potentially rich and largely unexplored interactions with trace metals.</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/29897139" 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="a7380bd2ff14bdad9e96f32cda7dadcc" rel="nofollow" data-download="{"attachment_id":50361021,"asset_id":29897139,"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/50361021/download_file?st=MTc0MDkyNTI2Miw4LjIyMi4yMDguMTQ2&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="35068083" href="https://independent.academia.edu/SpiroT">Thomas Spiro</a><script data-card-contents-for-user="35068083" type="text/json">{"id":35068083,"first_name":"Thomas","last_name":"Spiro","domain_name":"independent","page_name":"SpiroT","display_name":"Thomas Spiro","profile_url":"https://independent.academia.edu/SpiroT?f_ri=1361","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_29897139 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="29897139"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 29897139, container: ".js-paper-rank-work_29897139", }); 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Structural parameters derived from EXAFS analyses and trends in metal binding constants are well reproduced and validated by the applied computational model. Vibrational mode analysis guides determination and recognition of crucial structureand metal-sensitive infrared marker bands. The key marker bands, CO and CN stretching modes, dominate the infrared spectra in the 1400-1650 cm −1 region. The modes are sensitive to the stability and size of the metal core (first coordination shell) and indicative of its deformation from the octahedral symmetry. 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}); });</script></span><script>$(function() { $(".js-view-count-work_15662413").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="15662413"><i class="fa fa-tag InlineList-item-icon u-positionRelative"></i>  <a class="InlineList-item-text u-positionRelative">6</a>  </div><span class="InlineList-item-text u-textTruncate u-pl9x"><a class="InlineList-item-text" data-has-card-for-ri="398" rel="nofollow" href="https://www.academia.edu/Documents/in/Paleoanthropology">Paleoanthropology</a>, <script data-card-contents-for-ri="398" type="text/json">{"id":398,"name":"Paleoanthropology","url":"https://www.academia.edu/Documents/in/Paleoanthropology?f_ri=1361","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=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="4548" rel="nofollow" href="https://www.academia.edu/Documents/in/Palaeolithic_Archaeology">Palaeolithic Archaeology</a>, <script data-card-contents-for-ri="4548" type="text/json">{"id":4548,"name":"Palaeolithic Archaeology","url":"https://www.academia.edu/Documents/in/Palaeolithic_Archaeology?f_ri=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="26087" rel="nofollow" href="https://www.academia.edu/Documents/in/Paleolithic_Europe">Paleolithic Europe</a><script data-card-contents-for-ri="26087" type="text/json">{"id":26087,"name":"Paleolithic Europe","url":"https://www.academia.edu/Documents/in/Paleolithic_Europe?f_ri=1361","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=15662413]'), work: {"id":15662413,"title":"Spy cave. 125 years of multidisciplinary research at the Betche aux Rotches (Jemeppe-sur-Sambre, Province of Namur, Belgium), Volume 1","created_at":"2015-09-13T16:34:30.771-07:00","url":"https://www.academia.edu/15662413/Spy_cave_125_years_of_multidisciplinary_research_at_the_Betche_aux_Rotches_Jemeppe_sur_Sambre_Province_of_Namur_Belgium_Volume_1?f_ri=1361","dom_id":"work_15662413","summary":null,"downloadable_attachments":[{"id":38757894,"asset_id":15662413,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":638442,"first_name":"Hélène","last_name":"Rougier","domain_name":"csun","page_name":"HélèneRougier","display_name":"Hélène Rougier","profile_url":"https://csun.academia.edu/H%C3%A9l%C3%A8neRougier?f_ri=1361","photo":"https://0.academia-photos.com/638442/219839/256937/s65_h_l_ne.rougier.jpg"}],"research_interests":[{"id":398,"name":"Paleoanthropology","url":"https://www.academia.edu/Documents/in/Paleoanthropology?f_ri=1361","nofollow":true},{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=1361","nofollow":true},{"id":4548,"name":"Palaeolithic Archaeology","url":"https://www.academia.edu/Documents/in/Palaeolithic_Archaeology?f_ri=1361","nofollow":true},{"id":26087,"name":"Paleolithic Europe","url":"https://www.academia.edu/Documents/in/Paleolithic_Europe?f_ri=1361","nofollow":true},{"id":28126,"name":"Neanderthals (Palaeolithic Archaeology)","url":"https://www.academia.edu/Documents/in/Neanderthals_Palaeolithic_Archaeology_?f_ri=1361"},{"id":30825,"name":"Upper Paleolithic","url":"https://www.academia.edu/Documents/in/Upper_Paleolithic?f_ri=1361"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_17325500 coauthored" data-work_id="17325500" 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/17325500/Effects_of_peasant_and_indigenous_soil_management_practices_on_the_biogeochemical_properties_and_carbon_storage_service_of_andean_soils_of_Colombia">Effects of peasant and indigenous soil management practices on the biogeochemical properties and carbon storage service of andean soils of Colombia</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Indigenous and peasant management systems that produce food, fibre and fuel have long been used in many Andean cultures, but their effects on soil biogeochemical properties and storage of soil organic carbon have been poorly analysed. The... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_17325500" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Indigenous and peasant management systems that produce food, fibre and fuel have long been used in many Andean cultures, but their effects on soil biogeochemical properties and storage of soil organic carbon have been poorly analysed. The aim of this study was to evaluate the physical, chemical and biological properties and carbon storage in Andean soils under three peasant and indigenous manage-ment practices in Popayan, Colombia: Natural Pasture (NP) (Holcus lanatus), Forage Crops (FC) (Penni-setum purpureum), and Natural Forest (NF) (dominated by Quercus humboldtii). In all, 216 samples were analysed over a 12-month period. The soils under the three soil managements had optimum texture (loamy and sandy loam), bulk density (<0.71 gr cm3 from the local Andosols. These soils were highly acid, particularly the forest soil (pH 4.68), but the high content of organic matter in the pasture and addition of calcium compounds to the cultivation soil had improved the pH (5.38 and 5.21 for NP and FC, respectively). Soil cultivation had produced a high metabolic quotient (qCO2 2.46) in relation NP (0.85) and NF (0.75), perhaps owing to an imbalance of the microbial community caused by disturbances and by excess external organic carbon. However, the soils<br />under all three management systems stored high contents of total organic carbon (TOC): 127, 111 and 110 t ha1, for NP, NF and FC, respectively. The presence of allophones in these soils leads to the formation of highly stable organo-mineral complexes, impeding mineralisation of the organic matter and allowing a high potential for soil carbon storage. A lack of temporal variability of the soil physical properties is due<br />to the characteristics dominated by soil genesis and by the high resilience of Andosols. We conclude that the food production management practices of these indigenous communities and farmers are compatible with maintenance of the carbon storage service in these soils at the local scale.) and hygroscopic moisture content (11.45%) derived</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/17325500" 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="de9b6bff98cb13e49a8ae4394e85bb90" rel="nofollow" data-download="{"attachment_id":39445565,"asset_id":17325500,"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/39445565/download_file?st=MTc0MDkyNTI2Miw4LjIyMi4yMDguMTQ2&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="13498828" href="https://independent.academia.edu/MariaCristinaOrdonezDiaz">Maria Cristina Ordonez Diaz</a><script data-card-contents-for-user="13498828" type="text/json">{"id":13498828,"first_name":"Maria Cristina","last_name":"Ordonez Diaz","domain_name":"independent","page_name":"MariaCristinaOrdonezDiaz","display_name":"Maria Cristina Ordonez Diaz","profile_url":"https://independent.academia.edu/MariaCristinaOrdonezDiaz?f_ri=1361","photo":"https://0.academia-photos.com/13498828/5443830/6207859/s65_maria_cristina.ordonez_diaz.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-17325500">+1</span><div class="hidden js-additional-users-17325500"><div><span itemscope="itemscope" itemprop="author" itemtype="https://schema.org/Person"><a href="https://independent.academia.edu/ApolinarFigueroa">Apolinar Figueroa</a></span></div></div></span><script>(function(){ var popoverSettings = { el: $('.js-work-more-authors-17325500'), placement: 'bottom', hide_delay: 200, html: true, content: function(){ return $('.js-additional-users-17325500').html(); 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container.find('.percentile-widget').removeClass('hidden'); }); });</script></li><li class="js-view-count-work_17325500 InlineList-item InlineList-item--bordered hidden"><div><span><span class="js-view-count view-count u-mr2x" data-work-id="17325500"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 17325500; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=17325500]").text(description); $(".js-view-count-work_17325500").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_17325500").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="17325500"><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="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=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="10225" rel="nofollow" href="https://www.academia.edu/Documents/in/Agriculture">Agriculture</a>, <script data-card-contents-for-ri="10225" type="text/json">{"id":10225,"name":"Agriculture","url":"https://www.academia.edu/Documents/in/Agriculture?f_ri=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="11643" rel="nofollow" href="https://www.academia.edu/Documents/in/Carbon_Sequestration">Carbon Sequestration</a>, <script data-card-contents-for-ri="11643" type="text/json">{"id":11643,"name":"Carbon Sequestration","url":"https://www.academia.edu/Documents/in/Carbon_Sequestration?f_ri=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="644827" rel="nofollow" href="https://www.academia.edu/Documents/in/Edafologia">Edafologia</a><script data-card-contents-for-ri="644827" type="text/json">{"id":644827,"name":"Edafologia","url":"https://www.academia.edu/Documents/in/Edafologia?f_ri=1361","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=17325500]'), work: {"id":17325500,"title":"Effects of peasant and indigenous soil management practices on the biogeochemical properties and carbon storage service of andean soils of Colombia","created_at":"2015-10-26T19:51:04.222-07:00","url":"https://www.academia.edu/17325500/Effects_of_peasant_and_indigenous_soil_management_practices_on_the_biogeochemical_properties_and_carbon_storage_service_of_andean_soils_of_Colombia?f_ri=1361","dom_id":"work_17325500","summary":"Indigenous and peasant management systems that produce food, fibre and fuel have long been used in many Andean cultures, but their effects on soil biogeochemical properties and storage of soil organic carbon have been poorly analysed. The aim of this study was to evaluate the physical, chemical and biological properties and carbon storage in Andean soils under three peasant and indigenous manage-ment practices in Popayan, Colombia: Natural Pasture (NP) (Holcus lanatus), Forage Crops (FC) (Penni-setum purpureum), and Natural Forest (NF) (dominated by Quercus humboldtii). In all, 216 samples were analysed over a 12-month period. The soils under the three soil managements had optimum texture (loamy and sandy loam), bulk density (\u003c0.71 gr cm3 from the local Andosols. These soils were highly acid, particularly the forest soil (pH 4.68), but the high content of organic matter in the pasture and addition of calcium compounds to the cultivation soil had improved the pH (5.38 and 5.21 for NP and FC, respectively). Soil cultivation had produced a high metabolic quotient (qCO2 2.46) in relation NP (0.85) and NF (0.75), perhaps owing to an imbalance of the microbial community caused by disturbances and by excess external organic carbon. However, the soils\nunder all three management systems stored high contents of total organic carbon (TOC): 127, 111 and 110 t ha1, for NP, NF and FC, respectively. The presence of allophones in these soils leads to the formation of highly stable organo-mineral complexes, impeding mineralisation of the organic matter and allowing a high potential for soil carbon storage. A lack of temporal variability of the soil physical properties is due\nto the characteristics dominated by soil genesis and by the high resilience of Andosols. We conclude that the food production management practices of these indigenous communities and farmers are compatible with maintenance of the carbon storage service in these soils at the local scale.) and hygroscopic moisture content (11.45%) derived","downloadable_attachments":[{"id":39445565,"asset_id":17325500,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":13498828,"first_name":"Maria Cristina","last_name":"Ordonez Diaz","domain_name":"independent","page_name":"MariaCristinaOrdonezDiaz","display_name":"Maria Cristina Ordonez Diaz","profile_url":"https://independent.academia.edu/MariaCristinaOrdonezDiaz?f_ri=1361","photo":"https://0.academia-photos.com/13498828/5443830/6207859/s65_maria_cristina.ordonez_diaz.jpg"},{"id":34301068,"first_name":"Apolinar","last_name":"Figueroa","domain_name":"independent","page_name":"ApolinarFigueroa","display_name":"Apolinar Figueroa","profile_url":"https://independent.academia.edu/ApolinarFigueroa?f_ri=1361","photo":"https://0.academia-photos.com/34301068/10433852/11642408/s65_apolinar.figueroa.jpg"}],"research_interests":[{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=1361","nofollow":true},{"id":10225,"name":"Agriculture","url":"https://www.academia.edu/Documents/in/Agriculture?f_ri=1361","nofollow":true},{"id":11643,"name":"Carbon Sequestration","url":"https://www.academia.edu/Documents/in/Carbon_Sequestration?f_ri=1361","nofollow":true},{"id":644827,"name":"Edafologia","url":"https://www.academia.edu/Documents/in/Edafologia?f_ri=1361","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_7050562" data-work_id="7050562" 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/7050562/Biogeochemistry_of_Kalahari_sands">Biogeochemistry of Kalahari sands</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 Kalahari sand sheet, with a 2.5-million ha area, is probably the largest continuous surface of sand in the world. The Kalahari Transect (KT) is one of a set of IGBP ''megatransects'' identified for global change studies and provides... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_7050562" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">The Kalahari sand sheet, with a 2.5-million ha area, is probably the largest continuous surface of sand in the world. The Kalahari Transect (KT) is one of a set of IGBP ''megatransects'' identified for global change studies and provides an ideal setting to investigate changes in ecosystem dynamics, vegetation composition and structure, and carbon or nutrient cycles along a spatial precipitation gradient without confounding soil effects. Soil physical properties remain poorly characterized along the KT. The present work provides a review of previous studies on the Kalahari soils combined with new results from recent analyses of physical (mostly hydraulic) and biogeochemical properties of the soil. In summary, the Kalahari soil is acidic, dominated by sand and nutrient poor. Nutrient contents, soil textures and soil hydraulic properties differ under and between canopies. Roots are concentrated in the top 80 cm of the soil, with grass roots more abundant and dominant close to the surface. Moreover, the distribution of tree roots does not exhibit a clear dominance over grasses at deeper soil layers. This review provides important baseline information for this system, as well as insights as to how biochemical processes vary along a rainfall gradient. r</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/7050562" 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="08793a50223412158331c4fdfca9914d" rel="nofollow" data-download="{"attachment_id":48619031,"asset_id":7050562,"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/48619031/download_file?st=MTc0MDkyNTI2Miw4LjIyMi4yMDguMTQ2&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="12050716" href="https://ub-bw.academia.edu/StephanusCoetzee">Stephanus Coetzee</a><script data-card-contents-for-user="12050716" type="text/json">{"id":12050716,"first_name":"Stephanus","last_name":"Coetzee","domain_name":"ub-bw","page_name":"StephanusCoetzee","display_name":"Stephanus Coetzee","profile_url":"https://ub-bw.academia.edu/StephanusCoetzee?f_ri=1361","photo":"/images/s65_no_pic.png"}</script></span></span></li><li class="js-paper-rank-work_7050562 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="7050562"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 7050562, container: ".js-paper-rank-work_7050562", }); 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$(".js-view-count[data-work-id=7050562]").text(description); $(".js-view-count-work_7050562").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_7050562").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="7050562"><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="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=1361","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=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="7941" rel="nofollow" href="https://www.academia.edu/Documents/in/Stable_Isotopes">Stable Isotopes</a>, <script data-card-contents-for-ri="7941" type="text/json">{"id":7941,"name":"Stable Isotopes","url":"https://www.academia.edu/Documents/in/Stable_Isotopes?f_ri=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="9098" rel="nofollow" href="https://www.academia.edu/Documents/in/Arid_environments">Arid environments</a><script data-card-contents-for-ri="9098" type="text/json">{"id":9098,"name":"Arid environments","url":"https://www.academia.edu/Documents/in/Arid_environments?f_ri=1361","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=7050562]'), work: {"id":7050562,"title":"Biogeochemistry of Kalahari sands","created_at":"2014-05-14T19:09:11.359-07:00","url":"https://www.academia.edu/7050562/Biogeochemistry_of_Kalahari_sands?f_ri=1361","dom_id":"work_7050562","summary":"The Kalahari sand sheet, with a 2.5-million ha area, is probably the largest continuous surface of sand in the world. The Kalahari Transect (KT) is one of a set of IGBP ''megatransects'' identified for global change studies and provides an ideal setting to investigate changes in ecosystem dynamics, vegetation composition and structure, and carbon or nutrient cycles along a spatial precipitation gradient without confounding soil effects. Soil physical properties remain poorly characterized along the KT. The present work provides a review of previous studies on the Kalahari soils combined with new results from recent analyses of physical (mostly hydraulic) and biogeochemical properties of the soil. In summary, the Kalahari soil is acidic, dominated by sand and nutrient poor. Nutrient contents, soil textures and soil hydraulic properties differ under and between canopies. Roots are concentrated in the top 80 cm of the soil, with grass roots more abundant and dominant close to the surface. Moreover, the distribution of tree roots does not exhibit a clear dominance over grasses at deeper soil layers. This review provides important baseline information for this system, as well as insights as to how biochemical processes vary along a rainfall gradient. r","downloadable_attachments":[{"id":48619031,"asset_id":7050562,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":12050716,"first_name":"Stephanus","last_name":"Coetzee","domain_name":"ub-bw","page_name":"StephanusCoetzee","display_name":"Stephanus Coetzee","profile_url":"https://ub-bw.academia.edu/StephanusCoetzee?f_ri=1361","photo":"/images/s65_no_pic.png"}],"research_interests":[{"id":400,"name":"Earth Sciences","url":"https://www.academia.edu/Documents/in/Earth_Sciences?f_ri=1361","nofollow":true},{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=1361","nofollow":true},{"id":7941,"name":"Stable Isotopes","url":"https://www.academia.edu/Documents/in/Stable_Isotopes?f_ri=1361","nofollow":true},{"id":9098,"name":"Arid environments","url":"https://www.academia.edu/Documents/in/Arid_environments?f_ri=1361","nofollow":true},{"id":47884,"name":"Biological Sciences","url":"https://www.academia.edu/Documents/in/Biological_Sciences?f_ri=1361"},{"id":48218,"name":"Global change","url":"https://www.academia.edu/Documents/in/Global_change?f_ri=1361"},{"id":58054,"name":"Environmental Sciences","url":"https://www.academia.edu/Documents/in/Environmental_Sciences?f_ri=1361"},{"id":83087,"name":"Isotopes","url":"https://www.academia.edu/Documents/in/Isotopes?f_ri=1361"},{"id":91257,"name":"Stable Isotope","url":"https://www.academia.edu/Documents/in/Stable_Isotope?f_ri=1361"},{"id":224515,"name":"ARENA","url":"https://www.academia.edu/Documents/in/ARENA?f_ri=1361"},{"id":350162,"name":"SAND","url":"https://www.academia.edu/Documents/in/SAND?f_ri=1361"},{"id":361750,"name":"Isotope","url":"https://www.academia.edu/Documents/in/Isotope?f_ri=1361"},{"id":368697,"name":"Soil Hydraulic Properties","url":"https://www.academia.edu/Documents/in/Soil_Hydraulic_Properties?f_ri=1361"},{"id":496815,"name":"Arid","url":"https://www.academia.edu/Documents/in/Arid?f_ri=1361"},{"id":825123,"name":"Soil Physical Properties","url":"https://www.academia.edu/Documents/in/Soil_Physical_Properties?f_ri=1361"},{"id":1277641,"name":"Soil Texture","url":"https://www.academia.edu/Documents/in/Soil_Texture?f_ri=1361"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_9333893" data-work_id="9333893" 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/9333893/How_air_drying_and_rewetting_modify_soil_organic_matter_characteristics_An_assessment_to_improve_data_interpretation_and_inference">How air-drying and rewetting modify soil organic matter characteristics: An assessment to improve data interpretation and inference</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Air-drying and wetting of air-dried soil samples with water (i.e., rewetting) are widely used sample treatments in soil analyses. It is recognized that both air-drying and rewetting of soil samples affect the characteristics of organic... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_9333893" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Air-drying and wetting of air-dried soil samples with water (i.e., rewetting) are widely used sample <br />treatments in soil analyses. It is recognized that both air-drying and rewetting of soil samples affect the <br />characteristics of organic matter (OM), but systematic evaluations are scarce. In this review, we synthesize <br />what is known in the scientific literature concerning the types and magnitudes of effects <br />resulting from air-drying and rewetting with respect to i) characteristics of aggregate-associated and <br />water-extractable OM, ii) soil microbiota, and iii) decomposition of OM. Air-drying of soil samples results <br />in the formation of new and/or stronger OM-mineral interactions as well as increased hydrophobicity <br />and mineral surface acidity. The formation of new and enhancement of existing OM-mineral interactions <br />may lead to an increase in perceived aggregate stability, potentially affecting estimates of amount and <br />persistence of OM associated with soil aggregates. Compared to field moist samples, air-dried samples <br />had 8e41% higher relative dry mass proportions in the 2e0.25 mm aggregate size fraction. Pronounced <br />changes in the amount and composition of the water-extractable OM and soil microbiota are also <br />detected during the course of air-drying and rewetting with the potential to affect the conclusions <br />derived from OM decomposition experiments. Air-dried soil samples were found to have 2e10 times <br />higher amounts of water extractable organic carbon and a decrease between 3% and 69% in the microbial <br />biomass carbon (using the substrate-induced respiration technique) compared to field moist samples. <br />The magnitude of air-drying and rewetting derived effects on sample characteristics appears to be site <br />and soil type specific.</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/9333893" 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="44f909e180db8eaaa81b80b53d13458e" rel="nofollow" data-download="{"attachment_id":35591471,"asset_id":9333893,"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/35591471/download_file?st=MTc0MDkyNTI2Miw4LjIyMi4yMDguMTQ2&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="298406" href="https://ucmerced.academia.edu/aaberhe">Asmeret Asefaw Berhe</a><script data-card-contents-for-user="298406" type="text/json">{"id":298406,"first_name":"Asmeret Asefaw","last_name":"Berhe","domain_name":"ucmerced","page_name":"aaberhe","display_name":"Asmeret Asefaw Berhe","profile_url":"https://ucmerced.academia.edu/aaberhe?f_ri=1361","photo":"https://0.academia-photos.com/298406/73642/2061593/s65_asmeret_asefaw.berhe.jpg"}</script></span></span></li><li class="js-paper-rank-work_9333893 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="9333893"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 9333893, container: ".js-paper-rank-work_9333893", }); 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$(".js-view-count[data-work-id=9333893]").text(description); $(".js-view-count-work_9333893").attr('title', description).tooltip(); }); });</script></span><script>$(function() { $(".js-view-count-work_9333893").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="9333893"><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="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=1361","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=1361","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=1361","nofollow":true}</script><a class="InlineList-item-text" data-has-card-for-ri="1512" rel="nofollow" href="https://www.academia.edu/Documents/in/Climate_Change">Climate Change</a><script data-card-contents-for-ri="1512" type="text/json">{"id":1512,"name":"Climate Change","url":"https://www.academia.edu/Documents/in/Climate_Change?f_ri=1361","nofollow":true}</script></span></li><script>(function(){ if (true) { new Aedu.ResearchInterestListCard({ el: $('*[data-has-card-for-ri-list=9333893]'), work: {"id":9333893,"title":"How air-drying and rewetting modify soil organic matter characteristics: An assessment to improve data interpretation and inference","created_at":"2014-11-16T02:14:10.042-08:00","url":"https://www.academia.edu/9333893/How_air_drying_and_rewetting_modify_soil_organic_matter_characteristics_An_assessment_to_improve_data_interpretation_and_inference?f_ri=1361","dom_id":"work_9333893","summary":"Air-drying and wetting of air-dried soil samples with water (i.e., rewetting) are widely used sample\r\ntreatments in soil analyses. It is recognized that both air-drying and rewetting of soil samples affect the\r\ncharacteristics of organic matter (OM), but systematic evaluations are scarce. In this review, we synthesize\r\nwhat is known in the scientific literature concerning the types and magnitudes of effects\r\nresulting from air-drying and rewetting with respect to i) characteristics of aggregate-associated and\r\nwater-extractable OM, ii) soil microbiota, and iii) decomposition of OM. Air-drying of soil samples results\r\nin the formation of new and/or stronger OM-mineral interactions as well as increased hydrophobicity\r\nand mineral surface acidity. The formation of new and enhancement of existing OM-mineral interactions\r\nmay lead to an increase in perceived aggregate stability, potentially affecting estimates of amount and\r\npersistence of OM associated with soil aggregates. Compared to field moist samples, air-dried samples\r\nhad 8e41% higher relative dry mass proportions in the 2e0.25 mm aggregate size fraction. Pronounced\r\nchanges in the amount and composition of the water-extractable OM and soil microbiota are also\r\ndetected during the course of air-drying and rewetting with the potential to affect the conclusions\r\nderived from OM decomposition experiments. Air-dried soil samples were found to have 2e10 times\r\nhigher amounts of water extractable organic carbon and a decrease between 3% and 69% in the microbial\r\nbiomass carbon (using the substrate-induced respiration technique) compared to field moist samples.\r\nThe magnitude of air-drying and rewetting derived effects on sample characteristics appears to be site\r\nand soil type specific.","downloadable_attachments":[{"id":35591471,"asset_id":9333893,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":298406,"first_name":"Asmeret Asefaw","last_name":"Berhe","domain_name":"ucmerced","page_name":"aaberhe","display_name":"Asmeret Asefaw Berhe","profile_url":"https://ucmerced.academia.edu/aaberhe?f_ri=1361","photo":"https://0.academia-photos.com/298406/73642/2061593/s65_asmeret_asefaw.berhe.jpg"}],"research_interests":[{"id":421,"name":"Soil Science","url":"https://www.academia.edu/Documents/in/Soil_Science?f_ri=1361","nofollow":true},{"id":1359,"name":"Ecosystems Ecology","url":"https://www.academia.edu/Documents/in/Ecosystems_Ecology?f_ri=1361","nofollow":true},{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=1361","nofollow":true},{"id":1512,"name":"Climate Change","url":"https://www.academia.edu/Documents/in/Climate_Change?f_ri=1361","nofollow":true},{"id":8980,"name":"Drought","url":"https://www.academia.edu/Documents/in/Drought?f_ri=1361"},{"id":14720,"name":"Soil Carbon Cycle","url":"https://www.academia.edu/Documents/in/Soil_Carbon_Cycle?f_ri=1361"},{"id":17284,"name":"Soil carbon sequestration","url":"https://www.academia.edu/Documents/in/Soil_carbon_sequestration?f_ri=1361"},{"id":35801,"name":"Climate Change Impacts","url":"https://www.academia.edu/Documents/in/Climate_Change_Impacts?f_ri=1361"},{"id":92396,"name":"Soil Carbon Dynamics","url":"https://www.academia.edu/Documents/in/Soil_Carbon_Dynamics?f_ri=1361"},{"id":126889,"name":"Soil Organic matter dynamics, Climate change, Sustainable Agriculture","url":"https://www.academia.edu/Documents/in/Soil_Organic_matter_dynamics_Climate_change_Sustainable_Agriculture?f_ri=1361"},{"id":173028,"name":"Soil organic matter","url":"https://www.academia.edu/Documents/in/Soil_organic_matter?f_ri=1361"},{"id":273356,"name":"Soil organic matter chemistry","url":"https://www.academia.edu/Documents/in/Soil_organic_matter_chemistry?f_ri=1361"},{"id":296339,"name":"Soil Carbon pool","url":"https://www.academia.edu/Documents/in/Soil_Carbon_pool?f_ri=1361"},{"id":347232,"name":"Wetting and Drying","url":"https://www.academia.edu/Documents/in/Wetting_and_Drying?f_ri=1361"},{"id":454574,"name":"Soil Organic Carbon","url":"https://www.academia.edu/Documents/in/Soil_Organic_Carbon?f_ri=1361"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_13256574" data-work_id="13256574" 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/13256574/Climate_change_and_Australian_marine_and_freshwater_environments_fishes_and_fisheries_synthesis_and_options_for_adaptation">Climate change and Australian marine and freshwater environments, fishes and fisheries: synthesis and options for adaptation</a></div></div><div class="u-pb4x u-mt3x"><div class="summary u-fs14 u-fw300 u-lineHeight1_5 u-tcGrayDarkest"><div class="summarized">Anthropogenic climate change is already apparent and will have significant, ongoing impacts on Australian fishes and their habitats. Even with immediate actions to reduce greenhouse gases, there will be sustained environmental changes.... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_13256574" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">Anthropogenic climate change is already apparent and will have significant, ongoing impacts on Australian fishes and their habitats. Even with immediate actions to reduce greenhouse gases, there will be sustained environmental changes. Therefore, it is necessary to consider appropriate adaptations to minimise detrimental impacts for both fishes and the human populations that utilise them. Climate change will have a range of direct effects on the physiology, fitness, and survivorship of Australia's marine, estuarine and freshwater fishes, but also indirect effects via habitat degradation and changes to ecosystems. Effects will differ across populations, species and ecosystems, with some impacts being complex and causing unexpected outcomes. The range of adaptation options and necessary levels of intervention to maintain populations and ecosystem function will largely depend on the vulnerability of species and habitats. Climate change will also have an impact on people who depend on fishes for food or livelihoods; adapting to a new climate regime will mean trade-offs between biological assets and socioeconomic drivers. Models can be used to help predict trends and set priorities; however, they must be based on the best available science and data, and include fisheries, environmental, socioeconomic and political layers to support management actions for adaptation.</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/13256574" 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="f149af6cd3e6b80e1fb8e5f501585581" rel="nofollow" data-download="{"attachment_id":45543759,"asset_id":13256574,"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/45543759/download_file?st=MTc0MDkyNTI2Miw4LjIyMi4yMDguMTQ2&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="32514629" href="https://csiro.academia.edu/AlistairHobday">Alistair Hobday</a><script data-card-contents-for-user="32514629" type="text/json">{"id":32514629,"first_name":"Alistair","last_name":"Hobday","domain_name":"csiro","page_name":"AlistairHobday","display_name":"Alistair Hobday","profile_url":"https://csiro.academia.edu/AlistairHobday?f_ri=1361","photo":"https://0.academia-photos.com/32514629/9721717/10828884/s65_alistair.hobday.jpg"}</script></span></span></li><li class="js-paper-rank-work_13256574 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="13256574"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 13256574, container: ".js-paper-rank-work_13256574", }); 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Even with immediate actions to reduce greenhouse gases, there will be sustained environmental changes. Therefore, it is necessary to consider appropriate adaptations to minimise detrimental impacts for both fishes and the human populations that utilise them. Climate change will have a range of direct effects on the physiology, fitness, and survivorship of Australia's marine, estuarine and freshwater fishes, but also indirect effects via habitat degradation and changes to ecosystems. Effects will differ across populations, species and ecosystems, with some impacts being complex and causing unexpected outcomes. The range of adaptation options and necessary levels of intervention to maintain populations and ecosystem function will largely depend on the vulnerability of species and habitats. Climate change will also have an impact on people who depend on fishes for food or livelihoods; adapting to a new climate regime will mean trade-offs between biological assets and socioeconomic drivers. Models can be used to help predict trends and set priorities; however, they must be based on the best available science and data, and include fisheries, environmental, socioeconomic and political layers to support management actions for adaptation.","downloadable_attachments":[{"id":45543759,"asset_id":13256574,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":32514629,"first_name":"Alistair","last_name":"Hobday","domain_name":"csiro","page_name":"AlistairHobday","display_name":"Alistair Hobday","profile_url":"https://csiro.academia.edu/AlistairHobday?f_ri=1361","photo":"https://0.academia-photos.com/32514629/9721717/10828884/s65_alistair.hobday.jpg"}],"research_interests":[{"id":156,"name":"Genetics","url":"https://www.academia.edu/Documents/in/Genetics?f_ri=1361","nofollow":true},{"id":167,"name":"Physiology","url":"https://www.academia.edu/Documents/in/Physiology?f_ri=1361","nofollow":true},{"id":415,"name":"Oceanography","url":"https://www.academia.edu/Documents/in/Oceanography?f_ri=1361","nofollow":true},{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=1361","nofollow":true},{"id":2549,"name":"Hydrology","url":"https://www.academia.edu/Documents/in/Hydrology?f_ri=1361"},{"id":4206,"name":"Phylogeography","url":"https://www.academia.edu/Documents/in/Phylogeography?f_ri=1361"},{"id":4553,"name":"Toxicology","url":"https://www.academia.edu/Documents/in/Toxicology?f_ri=1361"},{"id":7049,"name":"Crustacea","url":"https://www.academia.edu/Documents/in/Crustacea?f_ri=1361"},{"id":7710,"name":"Biology","url":"https://www.academia.edu/Documents/in/Biology?f_ri=1361"},{"id":9846,"name":"Ecology","url":"https://www.academia.edu/Documents/in/Ecology?f_ri=1361"},{"id":28235,"name":"Multidisciplinary","url":"https://www.academia.edu/Documents/in/Multidisciplinary?f_ri=1361"},{"id":65881,"name":"FISH","url":"https://www.academia.edu/Documents/in/FISH?f_ri=1361"},{"id":80872,"name":"Scientific","url":"https://www.academia.edu/Documents/in/Scientific?f_ri=1361"},{"id":84578,"name":"Educational","url":"https://www.academia.edu/Documents/in/Educational?f_ri=1361"},{"id":107671,"name":"Plankton","url":"https://www.academia.edu/Documents/in/Plankton?f_ri=1361"},{"id":192651,"name":"Stream","url":"https://www.academia.edu/Documents/in/Stream?f_ri=1361"},{"id":249747,"name":"Coral","url":"https://www.academia.edu/Documents/in/Coral?f_ri=1361"},{"id":379570,"name":"Estuary","url":"https://www.academia.edu/Documents/in/Estuary?f_ri=1361"}]}, }) } })();</script></ul></li></ul></div></div><div class="u-borderBottom1 u-borderColorGrayLighter"><div class="clearfix u-pv7x u-mb0x js-work-card work_3201429" data-work_id="3201429" 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/3201429/Seasonal_and_spatial_variability_of_CO2_emission_from_a_large_floodplain_lake_in_the_lower_Amazon">Seasonal and spatial variability of CO2 emission from a large floodplain lake in the lower Amazon</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 inundation status of the Amazon floodplain affects biogenic gas production and evasion. We analyzed spatial variability of dissolved CO2 concentration and gas evasion in a large floodplain lake in the lower reach of the Amazon... <a class="more_link u-tcGrayDark u-linkUnstyled" data-container=".work_3201429" data-show=".complete" data-hide=".summarized" data-more-link-behavior="true" href="#">more</a></div><div class="complete hidden">[1] The inundation status of the Amazon floodplain affects biogenic gas production and evasion. We analyzed spatial variability of dissolved CO2 concentration and gas evasion in a large floodplain lake in the lower reach of the Amazon River in four hydrological phases. We calculated surficial CO2 concentrations from measurements of pH, dissolved inorganic carbon, temperature, and conductivity and used meteorological data to calculate gas transfer coefficients to estimate CO2 evasion. Gas transfer coefficients that take into account both wind and heating and cooling at the lake's surface are on the order of 10 cm hr−1, approximately four times higher than values previously used in regional estimates of gas evasion from lakes on the Amazon floodplain. Supersaturation of CO2 occurred throughout the lake and was higher in the littoral zone and in regions receiving Amazon River inflows. CO2 concentration was reduced in regions with phytoplankton blooms. The range of CO2 concentrations was least at low water, 47 μM to 233 μM, and largest at high water, 1 μM to 656 μM; the average annual value was 125 μM. We estimate mean (±standard deviation) fluxes from open-water in L. Curuai to the atmosphere of 44 ± 15, 348 ± 13, 371 ± 23, and 364 ± 20 mmol CO2 m−2 d−1 during receding, low, rising, and high water, respectively. The error associated with these values reflects, for each hydrological phase, the spatial variation in CO2 concentration in L. Curuai, a likely range in atmospheric CO2 levels and temporal variations in gas transfer coefficient within 10-day periods.</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/3201429" 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="e24bdab5cc8d9b5ef459e5782c62ae6b" rel="nofollow" data-download="{"attachment_id":50414824,"asset_id":3201429,"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/50414824/download_file?st=MTc0MDkyNTI2Miw4LjIyMi4yMDguMTQ2&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="78629" href="https://cemaden.academia.edu/ConradoRudorff">Conrado Rudorff</a><script data-card-contents-for-user="78629" type="text/json">{"id":78629,"first_name":"Conrado","last_name":"Rudorff","domain_name":"cemaden","page_name":"ConradoRudorff","display_name":"Conrado Rudorff","profile_url":"https://cemaden.academia.edu/ConradoRudorff?f_ri=1361","photo":"https://0.academia-photos.com/78629/21836/423178/s65_conrado.rudorff.jpg"}</script></span></span></li><li class="js-paper-rank-work_3201429 InlineList-item InlineList-item--bordered hidden"><span class="js-paper-rank-view hidden u-tcGrayDark" data-paper-rank-work-id="3201429"><i class="u-m1x fa fa-bar-chart"></i><strong class="js-paper-rank"></strong></span><script>$(function() { new Works.PaperRankView({ workId: 3201429, container: ".js-paper-rank-work_3201429", }); 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We analyzed spatial variability of dissolved CO2 concentration and gas evasion in a large floodplain lake in the lower reach of the Amazon River in four hydrological phases. We calculated surficial CO2 concentrations from measurements of pH, dissolved inorganic carbon, temperature, and conductivity and used meteorological data to calculate gas transfer coefficients to estimate CO2 evasion. Gas transfer coefficients that take into account both wind and heating and cooling at the lake's surface are on the order of 10 cm hr−1, approximately four times higher than values previously used in regional estimates of gas evasion from lakes on the Amazon floodplain. Supersaturation of CO2 occurred throughout the lake and was higher in the littoral zone and in regions receiving Amazon River inflows. CO2 concentration was reduced in regions with phytoplankton blooms. The range of CO2 concentrations was least at low water, 47 μM to 233 μM, and largest at high water, 1 μM to 656 μM; the average annual value was 125 μM. We estimate mean (±standard deviation) fluxes from open-water in L. Curuai to the atmosphere of 44 ± 15, 348 ± 13, 371 ± 23, and 364 ± 20 mmol CO2 m−2 d−1 during receding, low, rising, and high water, respectively. The error associated with these values reflects, for each hydrological phase, the spatial variation in CO2 concentration in L. Curuai, a likely range in atmospheric CO2 levels and temporal variations in gas transfer coefficient within 10-day periods.","downloadable_attachments":[{"id":50414824,"asset_id":3201429,"asset_type":"Work","always_allow_download":false}],"ordered_authors":[{"id":78629,"first_name":"Conrado","last_name":"Rudorff","domain_name":"cemaden","page_name":"ConradoRudorff","display_name":"Conrado Rudorff","profile_url":"https://cemaden.academia.edu/ConradoRudorff?f_ri=1361","photo":"https://0.academia-photos.com/78629/21836/423178/s65_conrado.rudorff.jpg"}],"research_interests":[{"id":1361,"name":"Biogeochemistry","url":"https://www.academia.edu/Documents/in/Biogeochemistry?f_ri=1361","nofollow":true},{"id":4594,"name":"Carbon 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