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class="profile-avatar u-positionAbsolute" alt="MARIA ALEJANDRA MAINE" border="0" onerror="if (this.src != '//a.academia-assets.com/images/s200_no_pic.png') this.src = '//a.academia-assets.com/images/s200_no_pic.png';" width="200" height="200" src="https://0.academia-photos.com/67923638/34856673/30463257/s200_maria_alejandra.maine.jpg" /></a></div><div class="suggested-user-card__user-info"><a class="suggested-user-card__user-info__header ds2-5-body-sm-bold ds2-5-body-link" href="https://independent.academia.edu/MARIAALEJANDRAMAINE">MARIA ALEJANDRA MAINE</a></div></div><div class="suggested-user-card"><div class="suggested-user-card__avatar social-profile-avatar-container"><a href="https://uni.academia.edu/CarlosArias"><img class="profile-avatar u-positionAbsolute" border="0" alt="" src="//a.academia-assets.com/images/s200_no_pic.png" /></a></div><div class="suggested-user-card__user-info"><a class="suggested-user-card__user-info__header ds2-5-body-sm-bold ds2-5-body-link" href="https://uni.academia.edu/CarlosArias">Carlos Arias</a><p class="suggested-user-card__user-info__subheader ds2-5-body-xs">Universidad nacional de ingenieria</p></div></div><div class="suggested-user-card"><div class="suggested-user-card__avatar social-profile-avatar-container"><a href="https://cucei.academia.edu/diegoeduardohernandezesquivel"><img class="profile-avatar u-positionAbsolute" alt="diego eduardo hernandez esquivel" border="0" onerror="if (this.src != '//a.academia-assets.com/images/s200_no_pic.png') this.src = '//a.academia-assets.com/images/s200_no_pic.png';" width="200" height="200" src="https://0.academia-photos.com/82693955/171427384/161420476/s200_diego_eduardo.hernandez_esquivel.jpeg" /></a></div><div class="suggested-user-card__user-info"><a class="suggested-user-card__user-info__header ds2-5-body-sm-bold ds2-5-body-link" href="https://cucei.academia.edu/diegoeduardohernandezesquivel">diego eduardo hernandez esquivel</a><p 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width="200" height="200" src="https://0.academia-photos.com/7881534/2930817/14596825/s200_tom_s_rodrigo.l_pez_arias.jpg" /></a></div><div class="suggested-user-card__user-info"><a class="suggested-user-card__user-info__header ds2-5-body-sm-bold ds2-5-body-link" href="https://una.academia.edu/Tom%C3%A1sRodrigoL%C3%B3pezArias">Tomás Rodrigo López Arias</a><p class="suggested-user-card__user-info__subheader ds2-5-body-xs">Universidad Nacional de Asuncion</p></div></div><div class="suggested-user-card"><div class="suggested-user-card__avatar social-profile-avatar-container"><a href="https://independent.academia.edu/JoseIannacone"><img class="profile-avatar u-positionAbsolute" alt="Jose Iannacone" border="0" onerror="if (this.src != '//a.academia-assets.com/images/s200_no_pic.png') this.src = '//a.academia-assets.com/images/s200_no_pic.png';" width="200" height="200" src="https://0.academia-photos.com/39134703/10811303/12066703/s200_jose.iannacone.jpg" /></a></div><div 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class="suggested-user-card__user-info__header ds2-5-body-sm-bold ds2-5-body-link" href="https://unl.academia.edu/Mar%C3%ADaDanielaMontagnini">María Daniela Montagnini</a><p class="suggested-user-card__user-info__subheader ds2-5-body-xs">Universidad Nacional del Litoral</p></div></div></ul></div><div class="ri-section"><div class="ri-section-header"><span>Interests</span></div><div class="ri-tags-container"><a data-click-track="profile-user-info-expand-research-interests" data-has-card-for-ri-list="40914496" href="https://www.academia.edu/Documents/in/Principal_Component_Analysis"><div id="js-react-on-rails-context" style="display:none" data-rails-context="{"inMailer":false,"i18nLocale":"en","i18nDefaultLocale":"en","href":"https://unl.academia.edu/MariaMaine","location":"/MariaMaine","scheme":"https","host":"unl.academia.edu","port":null,"pathname":"/MariaMaine","search":null,"httpAcceptLanguage":null,"serverSide":false}"></div> <div class="js-react-on-rails-component" 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data-work-id="115300359"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/115300359/Constructed_wetlands_to_treat_effluents_from_metallurgy_industries_in_Santa_Fe_Argentina"><img alt="Research paper thumbnail of Constructed wetlands to treat effluents from metallurgy industries in Santa Fe, Argentina" class="work-thumbnail" src="https://attachments.academia-assets.com/111747468/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/115300359/Constructed_wetlands_to_treat_effluents_from_metallurgy_industries_in_Santa_Fe_Argentina">Constructed wetlands to treat effluents from metallurgy industries in Santa Fe, Argentina</a></div><div class="wp-workCard_item"><span>Tecnologia y Ciencias del Agua</span><span>, 2016</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="166aba019cae465b4e7948afd8dc76e8" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":111747468,"asset_id":115300359,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/111747468/download_file?s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="115300359"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count 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data-click-track="profile-work-strip-title" href="https://www.academia.edu/115300357/Selection_of_macrophytes_and_substrates_to_be_used_in_horizontal_subsurface_flow_wetlands_for_the_treatment_of_a_cheese_factory_wastewater">Selection of macrophytes and substrates to be used in horizontal subsurface flow wetlands for the treatment of a cheese factory wastewater</a></div><div class="wp-workCard_item"><span>Science of The Total Environment</span><span>, 2020</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">• C. glauca vs. T. domingensis, and LECA vs. river stone as substrates were compared. • HSSF wetl...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">• C. glauca vs. T. domingensis, and LECA vs. river stone as substrates were compared. • HSSF wetlands with river stone planted with C. glauca showed the best performance. • k values suggested the importance of plants for pollutant removal. • HSSF wetlands using river stones showed a faster kinetics than wetlands with LECA. • We propose to use C. glauca and river stone in a field-scale HSSF wetland.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="81ec840502a3c0d7bfda75873d7aedeb" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":111747471,"asset_id":115300357,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/111747471/download_file?s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span 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Maine","url":"https://unl.academia.edu/MariaMaine"},"attachments":[{"id":111747471,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/111747471/thumbnails/1.jpg","file_name":"j.scitotenv.2020.14110020240223-1-53un1m.pdf","download_url":"https://www.academia.edu/attachments/111747471/download_file","bulk_download_file_name":"Selection_of_macrophytes_and_substrates.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/111747471/j.scitotenv.2020.14110020240223-1-53un1m-libre.pdf?1708684520=\u0026response-content-disposition=attachment%3B+filename%3DSelection_of_macrophytes_and_substrates.pdf\u0026Expires=1739917598\u0026Signature=DE0Do81JRlKvfcfAMlHjvtLipn8fRyihF95wRXAu07jhbJpP-DuNeYJlwBzukdsWfPl0JtlV~sSXyfHyZ652fToFUsvcZ2-o13WpkpAwHsrQXzfWpcnPbUbO28LbFTZesWivtIq-dLYsMyvFmzFUmazggzlS0UZWQzmvZYN2YlWrnjwpWL0zjKtJcWuRm6iU5NXfM2ZEWelHxMRay1Z6K89DYAmhXQAS9fFy0ZNwYgFmBS8adU-UP5zFMJfP768nAf7SmbSZ2S7qLn6JYXLGKWayOtraMakujeZ-TLbrRhdIqw~xBhOOM9dxeMtNV-0b2JQArkNipmq5NQlRK6kBng__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="115300355"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/115300355/Long_term_study_of_Cr_Ni_Zn_and_P_distribution_in_Typha_domingensis_growing_in_a_constructed_wetland"><img alt="Research paper thumbnail of Long-term study of Cr, Ni, Zn, and P distribution in Typha domingensis growing in a constructed wetland" class="work-thumbnail" src="https://attachments.academia-assets.com/111747474/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/115300355/Long_term_study_of_Cr_Ni_Zn_and_P_distribution_in_Typha_domingensis_growing_in_a_constructed_wetland">Long-term study of Cr, Ni, Zn, and P distribution in Typha domingensis growing in a constructed wetland</a></div><div class="wp-workCard_item"><span>Environmental Science and Pollution Research</span><span>, 2018</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">The aim of this work was to study Cr, Ni, Zn, and P bioaccumulation in different compartments of ...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">The aim of this work was to study Cr, Ni, Zn, and P bioaccumulation in different compartments of Typha domingensis plants and sediment in a free-water surface constructed wetland for the treatment of a metallurgical effluent for 5 years. Removal efficiencies were satisfactory. To increase metal tolerance, its transport from belowground to aboveground tissues is reduced, being metal concentrations in the roots and rhizomes significantly higher than in the aerial and submerged parts of leaves. Regarding belowground tissues, metals were retained in the roots, while P was mainly accumulated in rhizomes. Bioaccumulation factors (BAFs) of Cr and Ni showed values near 1, and BAF of Zn and P were above 1 in several samplings, indicating bioaccumulation in the roots. Translocation factors (TFs) of Cr, Ni, and Zn were below 1, showing a scarce translocation from the roots to the aerial parts of the leaves, while the TF of P were above 1 in many samplings, indicating that this element is necessary for plant metabolism. The study of plant tissues where contaminants are accumulated allows gaining insight into the constructed wetland operation. The high translocation of P in T. domingensis makes this species suitable for its phytoextraction, while the low metal translocation makes T. domingensis suitable for phytostabilization.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="34eaa8fa6fbf2498d783aca38ca27dba" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":111747474,"asset_id":115300355,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/111747474/download_file?s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="115300355"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="115300355"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 115300355; 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="115300353"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/115300353/Effects_of_the_presence_of_nutrients_in_the_removal_of_high_concentrations_of_Cr_III_by_Typha_domingensis"><img alt="Research paper thumbnail of Effects of the presence of nutrients in the removal of high concentrations of Cr(III) by Typha domingensis" class="work-thumbnail" src="https://attachments.academia-assets.com/111747482/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/115300353/Effects_of_the_presence_of_nutrients_in_the_removal_of_high_concentrations_of_Cr_III_by_Typha_domingensis">Effects of the presence of nutrients in the removal of high concentrations of Cr(III) by Typha domingensis</a></div><div class="wp-workCard_item"><span>Environmental Earth Sciences</span><span>, 2016</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">The aim of this work was to study the influence of nutrients on the tolerance, removal efficiency...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">The aim of this work was to study the influence of nutrients on the tolerance, removal efficiency and accumulation of high concentration of Cr(III) by Typha domingensis. This species was exposed to the following Cr(III) treatments, arranged in triplicate: 200 mg L-1 Cr; 600 mg L-1 Cr; 200 mg L-1 Cr ? 50 mg L-1 P ? 50 mg L-1 N; 600 mg L-1 Cr ? 50 mg L-1 P ? 50 mg L-1 N; without metal or nutrient additions (control 1); 50 mg L-1 P ? 50 mg L-1 N, without metal addition (control 2). In order to simulate extreme events, the concentrations studied were higher than the concentrations commonly found in constructed wetlands. Cr and nutrient concentrations in water decreased in all treatments along time. Nutrient addition did not affect Cr removal for the two concentrations studied. In tissues, the highest Cr concentrations were observed in roots in all treatments. The mass balance showed that sediment showed the highest accumulation of Cr. Metals caused growth inhibition and a decrease in chlorophyll concentration. Despite these sublethal effects, T. domingensis demonstrated that it could accumulate Cr. These results confirm the high tolerance of this species ensuring the survival plant and wetland efficiency in time. Keywords Nutrients Á Metals Á Macrophytes Á Effluents This article is part of a Topical Collection in Environmental Earth Sciences on ''3RAGSU,'' guest edited by Daniel Emilio Martinez.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="d3b5d187651358330cdab47e89baa462" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":111747482,"asset_id":115300353,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/111747482/download_file?s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="115300353"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="115300353"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 115300353; 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="115300340"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/115300340/Wetland_Technology_Practical_Information_on_the_Design_and_Application_of_Treatment_Wetlands"><img alt="Research paper thumbnail of Wetland Technology: Practical Information on the Design and Application of Treatment Wetlands" class="work-thumbnail" src="https://attachments.academia-assets.com/111747456/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/115300340/Wetland_Technology_Practical_Information_on_the_Design_and_Application_of_Treatment_Wetlands">Wetland Technology: Practical Information on the Design and Application of Treatment Wetlands</a></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Water quality standards across the world are being rewritten to promote healthier ecosystems, ens...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">Water quality standards across the world are being rewritten to promote healthier ecosystems, ensure safe potable water sources, increased biodiversity, and enhanced ecological functions. Treatment wetlands are used for treating a variety of pollutant waters, including municipal wastewater, agricultural and urban runoff, industrial effluents, and combined sewer overflows, among others. Treatment wetlands are particularly well-suited for sustainable water management because they can cope with variable influent loads, can be constructed of local materials, have low operations and maintenance requirements compared to other treatment technologies, and they can provide additional ecosystem services. The technology has been successfully implemented in both developed and developing countries.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="500b94adade0b7210ec1d36e4ad2914e" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":111747456,"asset_id":115300340,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/111747456/download_file?s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="115300340"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="115300340"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 115300340; 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="83355875"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" rel="nofollow" href="https://www.academia.edu/83355875/Processes_of_Transformation_and_Removal_of_Metals_in_Constructed_Wetlands_for_the_Treatment_of_Effluents_from_Metallurgical_Plants"><img alt="Research paper thumbnail of Processes of Transformation and Removal of Metals in Constructed Wetlands for the Treatment of Effluents from Metallurgical Plants" class="work-thumbnail" src="https://a.academia-assets.com/images/blank-paper.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" rel="nofollow" href="https://www.academia.edu/83355875/Processes_of_Transformation_and_Removal_of_Metals_in_Constructed_Wetlands_for_the_Treatment_of_Effluents_from_Metallurgical_Plants">Processes of Transformation and Removal of Metals in Constructed Wetlands for the Treatment of Effluents from Metallurgical Plants</a></div><div class="wp-workCard_item"><span>Water Pollution and Waste Water Treatment of the Series "Environmental Science and Engineering</span><span>, 2017</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="83355875"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="83355875"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 83355875; 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</script> <div class="js-work-strip profile--work_container" data-work-id="83355716"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/83355716/Nutrient_Concentrations_in_Macrophytes_from_Lotic_and_Lentic_Environments_of_the_Middle_Parana_River_Argentina"><img alt="Research paper thumbnail of Nutrient Concentrations in Macrophytes from Lotic and Lentic Environments of the Middle Parana River, Argentina" class="work-thumbnail" src="https://attachments.academia-assets.com/88727025/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/83355716/Nutrient_Concentrations_in_Macrophytes_from_Lotic_and_Lentic_Environments_of_the_Middle_Parana_River_Argentina">Nutrient Concentrations in Macrophytes from Lotic and Lentic Environments of the Middle Parana River, Argentina</a></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Objectives: The purpose of this work was to compare nutrient concentrations in water, sediment, a...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">Objectives: The purpose of this work was to compare nutrient concentrations in water, sediment, and in plant tissues of Eichhornia crassipes and Panicum elephantipes from lotic and lentic environments of the Middle Parana River floodplain (Argentina). Materials and Methods: The study was carried out over an 18-month period. Plants, water, and sediment were collected in a lake (lentic environment) and in a river (lotic environment) from the Middle Parana River floodplain. Water and sediment were sampled in sites where P. elephantipes or E. crassipes were predominant and in sites without vegetation. Results and Discussion: The lentic and lotic environments dominated by E. crassipes showed the highest ammonium concentrations. The sediment from the lotic environment showed total phosphorus (TP) and total Kjeldahl nitrogen (TKN) concentrations significantly lower than those found in the sediment from the lentic environment. In the lentic environment, the sediment from the lake with the d...</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="e3033f68c29ad604605d4559f4b71e1a" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":88727025,"asset_id":83355716,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/88727025/download_file?s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="83355716"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="83355716"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 83355716; 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="83355670"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/83355670/Humedales_construidos_para_tratamiento_de_efluentes_de_industrias_metal%C3%BArgicas_en_Santa_Fe_Argentina"><img alt="Research paper thumbnail of Humedales construidos para tratamiento de efluentes de industrias metalúrgicas en Santa Fe, Argentina" class="work-thumbnail" src="https://attachments.academia-assets.com/88727000/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/83355670/Humedales_construidos_para_tratamiento_de_efluentes_de_industrias_metal%C3%BArgicas_en_Santa_Fe_Argentina">Humedales construidos para tratamiento de efluentes de industrias metalúrgicas en Santa Fe, Argentina</a></div><div class="wp-workCard_item"><span>Tecnologia y Ciencias del Agua</span><span>, 2016</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">En Argentina, el uso de humedales construidos para tratamiento de efluentes es aun limitado, a pe...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">En Argentina, el uso de humedales construidos para tratamiento de efluentes es aun limitado, a pesar de que las condiciones para su implementacion son ideales (gran disponibilidad de terrenos marginales de bajo costo, clima templado con inviernos poco rigurosos y gran disponibilidad de macrofitas adaptadas al clima). El objetivo de este trabajo fue evaluar la eficiencia de dos humedales construidos (HC1 y HC2) para el tratamiento de efluentes de industrias metalurgicas y determinar si los contaminantes son retenidos por el sedimento o por la plantas, conocimientos clave para llevar a cabo un correcto manejo del humedal. En ambos humedales se trata el efluente cloacal junto con el industrial que contiene metales. Como los volumenes a tratar y la composicion quimica de los efluentes es diferente, los humedales construidos presentan distintas caracteristicas de diseno. HC1 esta en operacion desde hace 12 anos y HC2 desde hace cinco anos. Ambos humedales funcionaron de manera eficiente,...</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="80754aea7f8865ac75055bc16d666639" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":88727000,"asset_id":83355670,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/88727000/download_file?s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="83355670"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="83355670"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 83355670; 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="83355642"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" rel="nofollow" href="https://www.academia.edu/83355642/Exposure_of_Typha_domingensis_to_high_concentrations_of_multi_metal_and_nutrient_solutions_Study_of_tolerance_and_removal_efficiency"><img alt="Research paper thumbnail of Exposure of Typha domingensis to high concentrations of multi-metal and nutrient solutions: Study of tolerance and removal efficiency" class="work-thumbnail" src="https://a.academia-assets.com/images/blank-paper.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" rel="nofollow" href="https://www.academia.edu/83355642/Exposure_of_Typha_domingensis_to_high_concentrations_of_multi_metal_and_nutrient_solutions_Study_of_tolerance_and_removal_efficiency">Exposure of Typha domingensis to high concentrations of multi-metal and nutrient solutions: Study of tolerance and removal efficiency</a></div><div class="wp-workCard_item"><span>Ecological Engineering</span><span>, 2021</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Abstract This work studied the effects of nutrients on metal tolerance, removal efficiency, and m...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">Abstract This work studied the effects of nutrients on metal tolerance, removal efficiency, and metal accumulation in tissues of T. domingensis. This macrophyte was exposed to solutions of Cr(III) + Ni + Zn at extremely high concentrations. Treatments were metal combinations of 200 or 600 mg L−1 of each metal with and without nutrients (N and P). Treatment 600 exhibited significantly lower final metal removals than those of 200. The highest removal from water in all treatments was registered for Cr. Final Cr removal did not show significant differences between the treatments with and without nutrient addition. Sediment showed higher concentrations than plant tissues. Roots exhibited the highest Cr concentrations in tissues. In comparison with roots, leaves did not show significant differences in Ni and Zn concentrations, except for 200 and 200 + nutrient. Treatments with nutrient addition reached a significantly higher relative growth rate (RGR) than that obtained in treatments without nutrient addition. Treatments 600 and 600 + nutrients showed a significantly lower RGR than that of treatments 200 and 200 + nutrients. In Treatment 600 the lowest chlorophyll concentration was observed. T. domingensis demonstrated its ability to survive a fortuitous industrial dump of high metal concentrations in a treatment wetland.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="83355642"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="83355642"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 83355642; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=83355642]").text(description); $(".js-view-count[data-work-id=83355642]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 83355642; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='83355642']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-a9bf3a2bc8c89fa2a77156577594264ee8a0f214d74241bc0fcd3f69f8d107ac.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (false){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "-1" } } $('.js-work-strip[data-work-id=83355642]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":83355642,"title":"Exposure of Typha domingensis to high concentrations of multi-metal and nutrient solutions: Study of tolerance and removal efficiency","internal_url":"https://www.academia.edu/83355642/Exposure_of_Typha_domingensis_to_high_concentrations_of_multi_metal_and_nutrient_solutions_Study_of_tolerance_and_removal_efficiency","owner_id":40914496,"coauthors_can_edit":true,"owner":{"id":40914496,"first_name":"Maria","middle_initials":null,"last_name":"Maine","page_name":"MariaMaine","domain_name":"unl","created_at":"2016-01-04T06:11:49.346-08:00","display_name":"Maria Maine","url":"https://unl.academia.edu/MariaMaine"},"attachments":[]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="83355618"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/83355618/Salinity_and_pH_effects_on_floating_and_emergent_macrophytes_in_a_constructed_wetland"><img alt="Research paper thumbnail of Salinity and pH effects on floating and emergent macrophytes in a constructed wetland" class="work-thumbnail" src="https://attachments.academia-assets.com/88726969/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/83355618/Salinity_and_pH_effects_on_floating_and_emergent_macrophytes_in_a_constructed_wetland">Salinity and pH effects on floating and emergent macrophytes in a constructed wetland</a></div><div class="wp-workCard_item"><span>Water Science and Technology</span><span>, 2018</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Salvinia herzogii, Pistia stratiotes and Eichhornia crassipes (floating species) were the dominan...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">Salvinia herzogii, Pistia stratiotes and Eichhornia crassipes (floating species) were the dominant macrophytes in a constructed wetland (CW) over the first years of operation. Later, the emergent Typha domingensis displaced the floating species, becoming dominant. The industrial effluent treated at this CW showed high pH and salinity. The aim of this work was to study the tolerance of floating species and T. domingensis exposed to different pH and salinity treatments. Treatments at pH 8, 9, 10 and 11 and salinities of 2,000; 3,000; 4,000; 6,000; and 8,000 mg L−1 were performed. Floating macrophytes were unable to tolerate the studied pH and salinity ranges, while T. domingensis tolerated higher pH and salinity values. Many industrial effluents commonly show high pH and salinity. T. domingensis demonstrated to be a suitable macrophyte to treat this type of effluents.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="2ed40c6b1cc666ea2cebb8d7085c6ade" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":88726969,"asset_id":83355618,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/88726969/download_file?s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="83355618"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="83355618"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 83355618; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=83355618]").text(description); $(".js-view-count[data-work-id=83355618]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 83355618; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='83355618']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-a9bf3a2bc8c89fa2a77156577594264ee8a0f214d74241bc0fcd3f69f8d107ac.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (true){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "2ed40c6b1cc666ea2cebb8d7085c6ade" } } $('.js-work-strip[data-work-id=83355618]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":83355618,"title":"Salinity and pH effects on floating and emergent macrophytes in a constructed wetland","internal_url":"https://www.academia.edu/83355618/Salinity_and_pH_effects_on_floating_and_emergent_macrophytes_in_a_constructed_wetland","owner_id":40914496,"coauthors_can_edit":true,"owner":{"id":40914496,"first_name":"Maria","middle_initials":null,"last_name":"Maine","page_name":"MariaMaine","domain_name":"unl","created_at":"2016-01-04T06:11:49.346-08:00","display_name":"Maria Maine","url":"https://unl.academia.edu/MariaMaine"},"attachments":[{"id":88726969,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/88726969/thumbnails/1.jpg","file_name":"wst2017010270.pdf","download_url":"https://www.academia.edu/attachments/88726969/download_file","bulk_download_file_name":"Salinity_and_pH_effects_on_floating_and.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/88726969/wst2017010270-libre.pdf?1658152671=\u0026response-content-disposition=attachment%3B+filename%3DSalinity_and_pH_effects_on_floating_and.pdf\u0026Expires=1739917598\u0026Signature=F2n9o18aeoBZVPxyzikE3rRqBYDRpHFSDHTBzD0oO3o6I2J7l8TjDur8c7-5gciRx6qErPccdFpPlNuxrGaexIJ45KDLgTFCz2HcA~AeXbl62BOnQWvymf93vRVUhArPR1Po-IA8lbePBeb1~kkHC7-LYM8Nrje4LkCgTHQczJ~y6XDtIRpGQ15lV5EORb2OH3ez~89gYx-Kzd2aLZSRyNPzwGsNww6kPuTAJBbb2jG1yrcb6u32VPR1bxz~jJs2L3r3QaU0XSxRp15DbSZjXkcyZI5VfG~CCLCar58isLzbeyeq40aXTodt-ZTOWAoa7IC4-mSGzNPGJcFOk2xZ5A__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="83355386"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/83355386/Distribution_of_high_Zn_concentrations_in_unvegetated_and_Typha_domingensis_Pers_vegetated_sediments"><img alt="Research paper thumbnail of Distribution of high Zn concentrations in unvegetated and Typha domingensis Pers. vegetated sediments" class="work-thumbnail" src="https://attachments.academia-assets.com/88726850/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/83355386/Distribution_of_high_Zn_concentrations_in_unvegetated_and_Typha_domingensis_Pers_vegetated_sediments">Distribution of high Zn concentrations in unvegetated and Typha domingensis Pers. vegetated sediments</a></div><div class="wp-workCard_item"><span>Environmental Earth Sciences</span><span>, 2016</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">An experiment was carried out to determine if the presence of Typha domingensis affects the accum...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">An experiment was carried out to determine if the presence of Typha domingensis affects the accumulation and speciation of high concentrations of Zn in sediments of aquatic systems. Reactors containing sediment and two plants of T. domingensis were disposed in triplicate. The treatments were: (1) 100 mg L-1 Zn (Zn100); (2) 500 mg L-1 Zn (Zn500) and (3) control, without Zn. The same treatments without plants were disposed. The experiment lasted 30 days. Zn was efficiently removed from water in all treatments (greater than 75 %). In Zn500 treatments, Zn removal was significantly high in vegetated reactors. Zn accumulation was significantly high in the superficial sediment layer (0-3 cm). T. domingensis influenced Zn accumulation and its distribution in sediments. The unvegetated sediment accumulated higher Zn concentrations than vegetated sediments. Zn was accumulated in less available fractions in unvegetated than vegetated sediments. Submerged parts of leaves accumulated higher Zn concentration than the other plant organs. Plants did not show toxic symptoms, so it could be assumed that they would continue taking up Zn. In the occasion of a dump of high Zinc concentration, constructed wetlands could retain it, minimizing the environmental impact. Further investigation is needed to evaluate the role of macrophytes in the sustainability of Zn retention in constructed wetlands.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="cfe3836f32adc3797c88ea4d2faac104" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":88726850,"asset_id":83355386,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/88726850/download_file?s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="83355386"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="83355386"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 83355386; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=83355386]").text(description); $(".js-view-count[data-work-id=83355386]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 83355386; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='83355386']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-a9bf3a2bc8c89fa2a77156577594264ee8a0f214d74241bc0fcd3f69f8d107ac.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (true){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="83355250"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" rel="nofollow" href="https://www.academia.edu/83355250/Dairy_farm_wastewater_treatment_using_horizontal_subsurface_flow_wetlands_withTypha_domingensisand_different_substrates"><img alt="Research paper thumbnail of Dairy farm wastewater treatment using horizontal subsurface flow wetlands withTypha domingensisand different substrates" class="work-thumbnail" src="https://a.academia-assets.com/images/blank-paper.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" rel="nofollow" href="https://www.academia.edu/83355250/Dairy_farm_wastewater_treatment_using_horizontal_subsurface_flow_wetlands_withTypha_domingensisand_different_substrates">Dairy farm wastewater treatment using horizontal subsurface flow wetlands withTypha domingensisand different substrates</a></div><div class="wp-workCard_item"><span>Environmental Technology</span><span>, 2016</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">The aim of this work was to evaluate the influence of different substrates in the performance of ...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">The aim of this work was to evaluate the influence of different substrates in the performance of a horizontal flow constructed wetland employed in dairy farm wastewater treatment. Typha domingensis was chosen for this study due to its high productivity and efficiency in nutrient removal. Fifteen microcosm-scale reactors simulating horizontal flow constructed wetlands were disposed in a greenhouse in triplicate. Five substrates (river gravel, gravel, LECA, river gravel + zeolite and gravel + zeolite) were evaluated. Real effluent with previous treatment was used. Dairy farm effluents favoured T. domingensis growth, probably due to their high nutrient concentrations. The treatments with the different substrates studied were efficient in the treatment of the dairy farm effluent obtaining ammonium ([Formula: see text]) and total phosphorus (TP) removals between 88-99% and 86-99%, respectively. Removal efficiencies were significantly higher in treatments using LECA and combined substrate (gravel + zeolite). After treatment, the quality of the final effluent was significantly improved. Outlet effluent complied with regulations and could be discharged into the environment.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="83355250"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="83355250"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 83355250; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=83355250]").text(description); $(".js-view-count[data-work-id=83355250]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 83355250; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='83355250']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-a9bf3a2bc8c89fa2a77156577594264ee8a0f214d74241bc0fcd3f69f8d107ac.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (false){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "-1" } } $('.js-work-strip[data-work-id=83355250]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":83355250,"title":"Dairy farm wastewater treatment using horizontal subsurface flow wetlands withTypha domingensisand different substrates","internal_url":"https://www.academia.edu/83355250/Dairy_farm_wastewater_treatment_using_horizontal_subsurface_flow_wetlands_withTypha_domingensisand_different_substrates","owner_id":40914496,"coauthors_can_edit":true,"owner":{"id":40914496,"first_name":"Maria","middle_initials":null,"last_name":"Maine","page_name":"MariaMaine","domain_name":"unl","created_at":"2016-01-04T06:11:49.346-08:00","display_name":"Maria Maine","url":"https://unl.academia.edu/MariaMaine"},"attachments":[]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="83355153"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" rel="nofollow" href="https://www.academia.edu/83355153/Ni_accumulation_and_its_effects_on_physiological_and_biochemical_parameters_of_Eichhornia_crassipes"><img alt="Research paper thumbnail of Ni accumulation and its effects on physiological and biochemical parameters of Eichhornia crassipes" class="work-thumbnail" src="https://a.academia-assets.com/images/blank-paper.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" rel="nofollow" href="https://www.academia.edu/83355153/Ni_accumulation_and_its_effects_on_physiological_and_biochemical_parameters_of_Eichhornia_crassipes">Ni accumulation and its effects on physiological and biochemical parameters of Eichhornia crassipes</a></div><div class="wp-workCard_item"><span>Environmental and Experimental Botany</span><span>, 2015</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">ABSTRACT Ni accumulation and concomitant physiological and biochemical responses were studied in ...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">ABSTRACT Ni accumulation and concomitant physiological and biochemical responses were studied in Eichhornia crassipes1 exposed to different concentrations (1, 2, 3 and 4 mg l−1 Ni) for 72 h. E. crassipes1 rapidly sorbed Ni during the first 24 h. Ni concentration in roots was significantly higher than in aerial parts. Continuity of the photosynthetic activity was observed by a significant increase of pigment concentrations during the first 48 h, followed by a decrease at 72 h. In aerial parts, MDA concentration increased significantly during first 48 h at the highest Ni concentration exposure. However, was evidently counteracted by the compensatory protective mechanism of increased antioxidant enzyme activities. In roots, a significant increase in enzyme activities of antioxidant system did not prevent lipid peroxidation observed by an increase in MDA concentration at 72 h of exposure. Our results suggest that E. crassipes1 was able to tolerate Ni stress increasing the activity of its antioxidant system at short exposure times and low Ni concentrations studied.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="83355153"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="83355153"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 83355153; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=83355153]").text(description); $(".js-view-count[data-work-id=83355153]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 83355153; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='83355153']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-a9bf3a2bc8c89fa2a77156577594264ee8a0f214d74241bc0fcd3f69f8d107ac.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (false){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "-1" } } $('.js-work-strip[data-work-id=83355153]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":83355153,"title":"Ni accumulation and its effects on physiological and biochemical parameters of Eichhornia crassipes","internal_url":"https://www.academia.edu/83355153/Ni_accumulation_and_its_effects_on_physiological_and_biochemical_parameters_of_Eichhornia_crassipes","owner_id":40914496,"coauthors_can_edit":true,"owner":{"id":40914496,"first_name":"Maria","middle_initials":null,"last_name":"Maine","page_name":"MariaMaine","domain_name":"unl","created_at":"2016-01-04T06:11:49.346-08:00","display_name":"Maria Maine","url":"https://unl.academia.edu/MariaMaine"},"attachments":[]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="83354981"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" rel="nofollow" href="https://www.academia.edu/83354981/Ni_accumulation_and_its_effects_on_physiological_and_biochemical_parameters_of_Eichhornia_crassipes"><img alt="Research paper thumbnail of Ni accumulation and its effects on physiological and biochemical parameters of Eichhornia crassipes" class="work-thumbnail" src="https://a.academia-assets.com/images/blank-paper.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" rel="nofollow" href="https://www.academia.edu/83354981/Ni_accumulation_and_its_effects_on_physiological_and_biochemical_parameters_of_Eichhornia_crassipes">Ni accumulation and its effects on physiological and biochemical parameters of Eichhornia crassipes</a></div><div class="wp-workCard_item"><span>Environmental and Experimental Botany</span><span>, 2015</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">ABSTRACT Ni accumulation and concomitant physiological and biochemical responses were studied in ...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">ABSTRACT Ni accumulation and concomitant physiological and biochemical responses were studied in Eichhornia crassipes1 exposed to different concentrations (1, 2, 3 and 4 mg l−1 Ni) for 72 h. E. crassipes1 rapidly sorbed Ni during the first 24 h. Ni concentration in roots was significantly higher than in aerial parts. Continuity of the photosynthetic activity was observed by a significant increase of pigment concentrations during the first 48 h, followed by a decrease at 72 h. In aerial parts, MDA concentration increased significantly during first 48 h at the highest Ni concentration exposure. However, was evidently counteracted by the compensatory protective mechanism of increased antioxidant enzyme activities. In roots, a significant increase in enzyme activities of antioxidant system did not prevent lipid peroxidation observed by an increase in MDA concentration at 72 h of exposure. Our results suggest that E. crassipes1 was able to tolerate Ni stress increasing the activity of its antioxidant system at short exposure times and low Ni concentrations studied.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="83354981"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="83354981"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 83354981; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=83354981]").text(description); $(".js-view-count[data-work-id=83354981]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 83354981; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='83354981']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-a9bf3a2bc8c89fa2a77156577594264ee8a0f214d74241bc0fcd3f69f8d107ac.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (false){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "-1" } } $('.js-work-strip[data-work-id=83354981]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":83354981,"title":"Ni accumulation and its effects on physiological and biochemical parameters of Eichhornia crassipes","internal_url":"https://www.academia.edu/83354981/Ni_accumulation_and_its_effects_on_physiological_and_biochemical_parameters_of_Eichhornia_crassipes","owner_id":40914496,"coauthors_can_edit":true,"owner":{"id":40914496,"first_name":"Maria","middle_initials":null,"last_name":"Maine","page_name":"MariaMaine","domain_name":"unl","created_at":"2016-01-04T06:11:49.346-08:00","display_name":"Maria Maine","url":"https://unl.academia.edu/MariaMaine"},"attachments":[]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="83354942"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" rel="nofollow" href="https://www.academia.edu/83354942/Kinetics_of_Cr_III_and_Cr_VI_removal_from_water_by_two_floating_macrophytes"><img alt="Research paper thumbnail of Kinetics of Cr(III) and Cr(VI) removal from water by two floating macrophytes" class="work-thumbnail" src="https://a.academia-assets.com/images/blank-paper.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" rel="nofollow" href="https://www.academia.edu/83354942/Kinetics_of_Cr_III_and_Cr_VI_removal_from_water_by_two_floating_macrophytes">Kinetics of Cr(III) and Cr(VI) removal from water by two floating macrophytes</a></div><div class="wp-workCard_item"><span>International Journal of Phytoremediation</span><span>, 2015</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">The aim of this work was to compare Cr(III) and Cr(VI) removal kinetics from water by Pistia stra...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">The aim of this work was to compare Cr(III) and Cr(VI) removal kinetics from water by Pistia stratiotes and Salvinia herzogii. The accumulation in plant tissues and the effects of both Cr forms on plant growth were also evaluated. Plants were exposed to 2 and 6 mg L(-1) of Cr(III) or Cr(VI) during 30 days. At the end of the experiment, Cr(VI) removal percentages were significantly lower than those obtained for Cr(III) for both macrophytes. Cr(III) removal kinetics involved a fast and a slow component. The fast component was primarily responsible for Cr(III) removal while Cr(VI) removal kinetics involved only a slow process. Cr accumulated principally in the roots. In the Cr(VI) treatments a higher translocation from roots to aerial parts than in Cr(III) treatments was observed. Both macrophytes demonstrated a high ability to remove Cr(III) but not Cr(VI). Cr(III) inhibited the growth at the highest studied concentration of both macrophytes while Cr(VI) caused senescence. These results have important implications in the use of constructed wetlands for secondary industrial wastewater treatment. Common primary treatments of effluents containing Cr(VI) consists in its reduction to Cr(III). 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Highly efficient metal and nutrient removal was reported during this period. In June 2009, a population of approximately 30 capybaras (Hydrochoerus hydrochaeris) caused the complete depredation of the aerial parts of macrophytes. However, plant roots and rhizomes were not damaged. After depredation stopped, T. domingensis showed a luxuriant growth, reaching a cover of 60% in 30 days. The objective of this work was to evaluate the sustainability of the CW subjected to an extreme event. Removal efficiency of the system was compared during normal operation, during the depredation event and over the subsequent recovery period. The CW efficiently retained contaminants during all the periods studied. However, the best efficiencies were registered during the normal operation period. There were no significant differences between the performances of the CW over the last two periods, except for BOD. The mean removal percentages during normal operation/depredation event/recovery period, were: 84.9/73.2/74.7% Cr; 66.7/ 48.0/51.2% Ni; 97.2/91.0/89.4% Fe; 50.0/46.8/49.5% Zn; 81.0/84.0/80.4% NO 3-; 98.4/93.4/84.1% NO 2-; 73.9/ 28.2/53.2% BOD and 75.4/40.9/44.6% COD. SRP and TP presented low removal efficiencies. Despite the anoxic conditions, contaminants were not released from sediment, accumulating in fractions that proved to be stable faced with changes in the operating conditions of the CW. T. domingensis showed an excellent growth response, consequently the period without aerial parts lasted a few months and the CW could recover its normal operation. Plants continued retaining contaminants in their roots and the sediment increased its retention capacity, balancing the operating capacity of the system. This was probably due to the fact that the CW had reached its maturity, with a complete root-rhizome development. These results demonstrated that faced with an incidental problem, this mature CW was capable of maintaining its efficiency and recovering its vegetation, demonstrating the robustness of these treatment systems.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="9cb90cf24a201b08307459b0494c8e51" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":88726568,"asset_id":83354851,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/88726568/download_file?s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="83354851"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="83354851"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 83354851; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=83354851]").text(description); $(".js-view-count[data-work-id=83354851]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 83354851; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='83354851']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-a9bf3a2bc8c89fa2a77156577594264ee8a0f214d74241bc0fcd3f69f8d107ac.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (true){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "9cb90cf24a201b08307459b0494c8e51" } } $('.js-work-strip[data-work-id=83354851]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":83354851,"title":"Sustainability of a constructed wetland faced with a depredation event","translated_title":"","metadata":{"publisher":"Elsevier BV","ai_title_tag":"Constructed Wetland Resilience Post-Depredation","grobid_abstract":"A free water surface constructed wetland (CW) designed for effluent treatment was dominated by the emergent macrophyte Typha domingensis reaching a cover of roughly 80% for 5 years. Highly efficient metal and nutrient removal was reported during this period. In June 2009, a population of approximately 30 capybaras (Hydrochoerus hydrochaeris) caused the complete depredation of the aerial parts of macrophytes. However, plant roots and rhizomes were not damaged. After depredation stopped, T. domingensis showed a luxuriant growth, reaching a cover of 60% in 30 days. The objective of this work was to evaluate the sustainability of the CW subjected to an extreme event. Removal efficiency of the system was compared during normal operation, during the depredation event and over the subsequent recovery period. The CW efficiently retained contaminants during all the periods studied. However, the best efficiencies were registered during the normal operation period. There were no significant differences between the performances of the CW over the last two periods, except for BOD. The mean removal percentages during normal operation/depredation event/recovery period, were: 84.9/73.2/74.7% Cr; 66.7/ 48.0/51.2% Ni; 97.2/91.0/89.4% Fe; 50.0/46.8/49.5% Zn; 81.0/84.0/80.4% NO 3-; 98.4/93.4/84.1% NO 2-; 73.9/ 28.2/53.2% BOD and 75.4/40.9/44.6% COD. SRP and TP presented low removal efficiencies. Despite the anoxic conditions, contaminants were not released from sediment, accumulating in fractions that proved to be stable faced with changes in the operating conditions of the CW. T. domingensis showed an excellent growth response, consequently the period without aerial parts lasted a few months and the CW could recover its normal operation. Plants continued retaining contaminants in their roots and the sediment increased its retention capacity, balancing the operating capacity of the system. This was probably due to the fact that the CW had reached its maturity, with a complete root-rhizome development. These results demonstrated that faced with an incidental problem, this mature CW was capable of maintaining its efficiency and recovering its vegetation, demonstrating the robustness of these treatment systems.","publication_date":{"day":null,"month":null,"year":2013,"errors":{}},"publication_name":"Journal of Environmental Management","grobid_abstract_attachment_id":88726568},"translated_abstract":null,"internal_url":"https://www.academia.edu/83354851/Sustainability_of_a_constructed_wetland_faced_with_a_depredation_event","translated_internal_url":"","created_at":"2022-07-18T06:22:47.450-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":40914496,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[{"id":88726568,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/88726568/thumbnails/1.jpg","file_name":"j.jenvman.2013.04.05420220718-1-lf85ls.pdf","download_url":"https://www.academia.edu/attachments/88726568/download_file","bulk_download_file_name":"Sustainability_of_a_constructed_wetland.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/88726568/j.jenvman.2013.04.05420220718-1-lf85ls-libre.pdf?1658152398=\u0026response-content-disposition=attachment%3B+filename%3DSustainability_of_a_constructed_wetland.pdf\u0026Expires=1738730931\u0026Signature=cTY3ShIA2xlQY8vCVpeF-b9wXE-3-6H61nmq-htpn1tZN89mtFVFRjZBYbQMVmnw866RkZ00E6ST9tk7rX7ZRaJwVywLHvTCn~lMwIe6KG~1e0t-A9SA-YNuvmZF~at4-Y03r~G0Ec1IqhJai-eHOpoXu0o9GgNemCFrHWcuDTYRro7R~vxLxU-jlmsh13JXhBeu-Be09Mb9aoqTUx0Jt6YgWPzymRt6o3i6j4K23b0fg0F3DQYiLVNckxPPVMFWcN-Apo7TPyBaqv9-C4ZgC4Dr8xHXIoGIbruvsOFIEFao0K60chhNwn0yoCBvxL5xHrL5JkS7MwjO~VRO21AT7w__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"slug":"Sustainability_of_a_constructed_wetland_faced_with_a_depredation_event","translated_slug":"","page_count":6,"language":"en","content_type":"Work","summary":"A free water surface constructed wetland (CW) designed for effluent treatment was dominated by the emergent macrophyte Typha domingensis reaching a cover of roughly 80% for 5 years. Highly efficient metal and nutrient removal was reported during this period. In June 2009, a population of approximately 30 capybaras (Hydrochoerus hydrochaeris) caused the complete depredation of the aerial parts of macrophytes. However, plant roots and rhizomes were not damaged. After depredation stopped, T. domingensis showed a luxuriant growth, reaching a cover of 60% in 30 days. The objective of this work was to evaluate the sustainability of the CW subjected to an extreme event. Removal efficiency of the system was compared during normal operation, during the depredation event and over the subsequent recovery period. The CW efficiently retained contaminants during all the periods studied. However, the best efficiencies were registered during the normal operation period. There were no significant differences between the performances of the CW over the last two periods, except for BOD. The mean removal percentages during normal operation/depredation event/recovery period, were: 84.9/73.2/74.7% Cr; 66.7/ 48.0/51.2% Ni; 97.2/91.0/89.4% Fe; 50.0/46.8/49.5% Zn; 81.0/84.0/80.4% NO 3-; 98.4/93.4/84.1% NO 2-; 73.9/ 28.2/53.2% BOD and 75.4/40.9/44.6% COD. SRP and TP presented low removal efficiencies. Despite the anoxic conditions, contaminants were not released from sediment, accumulating in fractions that proved to be stable faced with changes in the operating conditions of the CW. T. domingensis showed an excellent growth response, consequently the period without aerial parts lasted a few months and the CW could recover its normal operation. Plants continued retaining contaminants in their roots and the sediment increased its retention capacity, balancing the operating capacity of the system. This was probably due to the fact that the CW had reached its maturity, with a complete root-rhizome development. These results demonstrated that faced with an incidental problem, this mature CW was capable of maintaining its efficiency and recovering its vegetation, demonstrating the robustness of these treatment systems.","owner":{"id":40914496,"first_name":"Maria","middle_initials":null,"last_name":"Maine","page_name":"MariaMaine","domain_name":"unl","created_at":"2016-01-04T06:11:49.346-08:00","display_name":"Maria Maine","url":"https://unl.academia.edu/MariaMaine"},"attachments":[{"id":88726568,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/88726568/thumbnails/1.jpg","file_name":"j.jenvman.2013.04.05420220718-1-lf85ls.pdf","download_url":"https://www.academia.edu/attachments/88726568/download_file","bulk_download_file_name":"Sustainability_of_a_constructed_wetland.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/88726568/j.jenvman.2013.04.05420220718-1-lf85ls-libre.pdf?1658152398=\u0026response-content-disposition=attachment%3B+filename%3DSustainability_of_a_constructed_wetland.pdf\u0026Expires=1738730931\u0026Signature=cTY3ShIA2xlQY8vCVpeF-b9wXE-3-6H61nmq-htpn1tZN89mtFVFRjZBYbQMVmnw866RkZ00E6ST9tk7rX7ZRaJwVywLHvTCn~lMwIe6KG~1e0t-A9SA-YNuvmZF~at4-Y03r~G0Ec1IqhJai-eHOpoXu0o9GgNemCFrHWcuDTYRro7R~vxLxU-jlmsh13JXhBeu-Be09Mb9aoqTUx0Jt6YgWPzymRt6o3i6j4K23b0fg0F3DQYiLVNckxPPVMFWcN-Apo7TPyBaqv9-C4ZgC4Dr8xHXIoGIbruvsOFIEFao0K60chhNwn0yoCBvxL5xHrL5JkS7MwjO~VRO21AT7w__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"research_interests":[{"id":48,"name":"Engineering","url":"https://www.academia.edu/Documents/in/Engineering"},{"id":7609,"name":"Environmental Management","url":"https://www.academia.edu/Documents/in/Environmental_Management"},{"id":9813,"name":"Argentina","url":"https://www.academia.edu/Documents/in/Argentina"},{"id":26327,"name":"Medicine","url":"https://www.academia.edu/Documents/in/Medicine"},{"id":28235,"name":"Multidisciplinary","url":"https://www.academia.edu/Documents/in/Multidisciplinary"},{"id":35390,"name":"Rodentia","url":"https://www.academia.edu/Documents/in/Rodentia"},{"id":53108,"name":"Phosphorus","url":"https://www.academia.edu/Documents/in/Phosphorus"},{"id":58337,"name":"Macrophytes","url":"https://www.academia.edu/Documents/in/Macrophytes"},{"id":83587,"name":"Wetland","url":"https://www.academia.edu/Documents/in/Wetland"},{"id":122402,"name":"Nitrates","url":"https://www.academia.edu/Documents/in/Nitrates"},{"id":187567,"name":"Constructed Wetlands","url":"https://www.academia.edu/Documents/in/Constructed_Wetlands"},{"id":192294,"name":"Sediment","url":"https://www.academia.edu/Documents/in/Sediment"},{"id":202399,"name":"Plant Roots","url":"https://www.academia.edu/Documents/in/Plant_Roots"},{"id":255058,"name":"Metals","url":"https://www.academia.edu/Documents/in/Metals"},{"id":448571,"name":"Contaminants","url":"https://www.academia.edu/Documents/in/Contaminants"},{"id":602119,"name":"Effluent","url":"https://www.academia.edu/Documents/in/Effluent"},{"id":1256664,"name":"Typhaceae","url":"https://www.academia.edu/Documents/in/Typhaceae"},{"id":1256666,"name":"Geologic Sediments","url":"https://www.academia.edu/Documents/in/Geologic_Sediments"},{"id":1487674,"name":"Biological Oxygen Demand Analysis","url":"https://www.academia.edu/Documents/in/Biological_Oxygen_Demand_Analysis"}],"urls":[{"id":22267164,"url":"https://api.elsevier.com/content/article/PII:S0301479713003046?httpAccept=text/xml"}]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="83354494"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" rel="nofollow" href="https://www.academia.edu/83354494/Long_term_performance_of_two_free_water_surface_wetlands_for_metallurgical_effluent_treatment"><img alt="Research paper thumbnail of Long-term performance of two free-water surface wetlands for metallurgical effluent treatment" class="work-thumbnail" src="https://a.academia-assets.com/images/blank-paper.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" rel="nofollow" href="https://www.academia.edu/83354494/Long_term_performance_of_two_free_water_surface_wetlands_for_metallurgical_effluent_treatment">Long-term performance of two free-water surface wetlands for metallurgical effluent treatment</a></div><div class="wp-workCard_item"><span>Ecological Engineering</span><span>, 2017</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Abstract The aim of this study was to evaluate the efficiency of two constructed wetlands (CW1 an...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">Abstract The aim of this study was to evaluate the efficiency of two constructed wetlands (CW1 and CW2) for the wastewater treatment of metallurgical industries and determine if contaminants are retained by the sediment or the plants, key knowledge for suitable wetland management. Both systems are free water surface CWs and were designed to treat industrial wastewater (with high pH and salinity containing Cr, Ni and Zn) and sewage together. Wastewaters receive a primary treatment before reaching the wetlands. CW1 and CW2 have been operating for 14 and 7 years, respectively. Wastewater, sediment and plants were sampled monthly in the inlet and outlet zones of both CWs. In both CWs, removal efficiencies were satisfactory. T. domingensis, the dominant species, is tolerant to metallurgical wastewaters and efficient in metal accumulation. Metals and P were efficiently removed in both CWs, being metals retained mainly in sediment, and P was retained in sediment and plants of the inlet zone. Metal concentration in macrophyte tissues is related to influent concentration while metal concentration in sediment depends not only on influent concentration but also on the time of operation of the CWs. Metals are bound to sediment fractions that can be considered steady under chemical and environmental conditions of the wetlands. 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="115300357"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/115300357/Selection_of_macrophytes_and_substrates_to_be_used_in_horizontal_subsurface_flow_wetlands_for_the_treatment_of_a_cheese_factory_wastewater"><img alt="Research paper thumbnail of Selection of macrophytes and substrates to be used in horizontal subsurface flow wetlands for the treatment of a cheese factory wastewater" class="work-thumbnail" src="https://attachments.academia-assets.com/111747471/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/115300357/Selection_of_macrophytes_and_substrates_to_be_used_in_horizontal_subsurface_flow_wetlands_for_the_treatment_of_a_cheese_factory_wastewater">Selection of macrophytes and substrates to be used in horizontal subsurface flow wetlands for the treatment of a cheese factory wastewater</a></div><div class="wp-workCard_item"><span>Science of The Total Environment</span><span>, 2020</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">• C. glauca vs. T. domingensis, and LECA vs. river stone as substrates were compared. • HSSF wetl...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">• C. glauca vs. T. domingensis, and LECA vs. river stone as substrates were compared. • HSSF wetlands with river stone planted with C. glauca showed the best performance. • k values suggested the importance of plants for pollutant removal. • HSSF wetlands using river stones showed a faster kinetics than wetlands with LECA. • We propose to use C. glauca and river stone in a field-scale HSSF wetland.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="81ec840502a3c0d7bfda75873d7aedeb" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":111747471,"asset_id":115300357,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/111747471/download_file?s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="115300357"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="115300357"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 115300357; 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="115300355"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/115300355/Long_term_study_of_Cr_Ni_Zn_and_P_distribution_in_Typha_domingensis_growing_in_a_constructed_wetland"><img alt="Research paper thumbnail of Long-term study of Cr, Ni, Zn, and P distribution in Typha domingensis growing in a constructed wetland" class="work-thumbnail" src="https://attachments.academia-assets.com/111747474/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/115300355/Long_term_study_of_Cr_Ni_Zn_and_P_distribution_in_Typha_domingensis_growing_in_a_constructed_wetland">Long-term study of Cr, Ni, Zn, and P distribution in Typha domingensis growing in a constructed wetland</a></div><div class="wp-workCard_item"><span>Environmental Science and Pollution Research</span><span>, 2018</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">The aim of this work was to study Cr, Ni, Zn, and P bioaccumulation in different compartments of ...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">The aim of this work was to study Cr, Ni, Zn, and P bioaccumulation in different compartments of Typha domingensis plants and sediment in a free-water surface constructed wetland for the treatment of a metallurgical effluent for 5 years. Removal efficiencies were satisfactory. To increase metal tolerance, its transport from belowground to aboveground tissues is reduced, being metal concentrations in the roots and rhizomes significantly higher than in the aerial and submerged parts of leaves. Regarding belowground tissues, metals were retained in the roots, while P was mainly accumulated in rhizomes. Bioaccumulation factors (BAFs) of Cr and Ni showed values near 1, and BAF of Zn and P were above 1 in several samplings, indicating bioaccumulation in the roots. Translocation factors (TFs) of Cr, Ni, and Zn were below 1, showing a scarce translocation from the roots to the aerial parts of the leaves, while the TF of P were above 1 in many samplings, indicating that this element is necessary for plant metabolism. The study of plant tissues where contaminants are accumulated allows gaining insight into the constructed wetland operation. The high translocation of P in T. domingensis makes this species suitable for its phytoextraction, while the low metal translocation makes T. domingensis suitable for phytostabilization.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="34eaa8fa6fbf2498d783aca38ca27dba" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":111747474,"asset_id":115300355,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/111747474/download_file?s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="115300355"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="115300355"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 115300355; 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="115300353"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/115300353/Effects_of_the_presence_of_nutrients_in_the_removal_of_high_concentrations_of_Cr_III_by_Typha_domingensis"><img alt="Research paper thumbnail of Effects of the presence of nutrients in the removal of high concentrations of Cr(III) by Typha domingensis" class="work-thumbnail" src="https://attachments.academia-assets.com/111747482/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/115300353/Effects_of_the_presence_of_nutrients_in_the_removal_of_high_concentrations_of_Cr_III_by_Typha_domingensis">Effects of the presence of nutrients in the removal of high concentrations of Cr(III) by Typha domingensis</a></div><div class="wp-workCard_item"><span>Environmental Earth Sciences</span><span>, 2016</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">The aim of this work was to study the influence of nutrients on the tolerance, removal efficiency...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">The aim of this work was to study the influence of nutrients on the tolerance, removal efficiency and accumulation of high concentration of Cr(III) by Typha domingensis. This species was exposed to the following Cr(III) treatments, arranged in triplicate: 200 mg L-1 Cr; 600 mg L-1 Cr; 200 mg L-1 Cr ? 50 mg L-1 P ? 50 mg L-1 N; 600 mg L-1 Cr ? 50 mg L-1 P ? 50 mg L-1 N; without metal or nutrient additions (control 1); 50 mg L-1 P ? 50 mg L-1 N, without metal addition (control 2). In order to simulate extreme events, the concentrations studied were higher than the concentrations commonly found in constructed wetlands. Cr and nutrient concentrations in water decreased in all treatments along time. Nutrient addition did not affect Cr removal for the two concentrations studied. In tissues, the highest Cr concentrations were observed in roots in all treatments. The mass balance showed that sediment showed the highest accumulation of Cr. Metals caused growth inhibition and a decrease in chlorophyll concentration. Despite these sublethal effects, T. domingensis demonstrated that it could accumulate Cr. These results confirm the high tolerance of this species ensuring the survival plant and wetland efficiency in time. Keywords Nutrients Á Metals Á Macrophytes Á Effluents This article is part of a Topical Collection in Environmental Earth Sciences on ''3RAGSU,'' guest edited by Daniel Emilio Martinez.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="d3b5d187651358330cdab47e89baa462" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":111747482,"asset_id":115300353,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/111747482/download_file?s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="115300353"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="115300353"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 115300353; 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="115300340"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/115300340/Wetland_Technology_Practical_Information_on_the_Design_and_Application_of_Treatment_Wetlands"><img alt="Research paper thumbnail of Wetland Technology: Practical Information on the Design and Application of Treatment Wetlands" class="work-thumbnail" src="https://attachments.academia-assets.com/111747456/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/115300340/Wetland_Technology_Practical_Information_on_the_Design_and_Application_of_Treatment_Wetlands">Wetland Technology: Practical Information on the Design and Application of Treatment Wetlands</a></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Water quality standards across the world are being rewritten to promote healthier ecosystems, ens...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">Water quality standards across the world are being rewritten to promote healthier ecosystems, ensure safe potable water sources, increased biodiversity, and enhanced ecological functions. Treatment wetlands are used for treating a variety of pollutant waters, including municipal wastewater, agricultural and urban runoff, industrial effluents, and combined sewer overflows, among others. Treatment wetlands are particularly well-suited for sustainable water management because they can cope with variable influent loads, can be constructed of local materials, have low operations and maintenance requirements compared to other treatment technologies, and they can provide additional ecosystem services. The technology has been successfully implemented in both developed and developing countries.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="500b94adade0b7210ec1d36e4ad2914e" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":111747456,"asset_id":115300340,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/111747456/download_file?s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="115300340"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="115300340"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 115300340; 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="83355875"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" rel="nofollow" href="https://www.academia.edu/83355875/Processes_of_Transformation_and_Removal_of_Metals_in_Constructed_Wetlands_for_the_Treatment_of_Effluents_from_Metallurgical_Plants"><img alt="Research paper thumbnail of Processes of Transformation and Removal of Metals in Constructed Wetlands for the Treatment of Effluents from Metallurgical Plants" class="work-thumbnail" src="https://a.academia-assets.com/images/blank-paper.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" rel="nofollow" href="https://www.academia.edu/83355875/Processes_of_Transformation_and_Removal_of_Metals_in_Constructed_Wetlands_for_the_Treatment_of_Effluents_from_Metallurgical_Plants">Processes of Transformation and Removal of Metals in Constructed Wetlands for the Treatment of Effluents from Metallurgical Plants</a></div><div class="wp-workCard_item"><span>Water Pollution and Waste Water Treatment of the Series "Environmental Science and Engineering</span><span>, 2017</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="83355875"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="83355875"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 83355875; 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</script> <div class="js-work-strip profile--work_container" data-work-id="83355716"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/83355716/Nutrient_Concentrations_in_Macrophytes_from_Lotic_and_Lentic_Environments_of_the_Middle_Parana_River_Argentina"><img alt="Research paper thumbnail of Nutrient Concentrations in Macrophytes from Lotic and Lentic Environments of the Middle Parana River, Argentina" class="work-thumbnail" src="https://attachments.academia-assets.com/88727025/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/83355716/Nutrient_Concentrations_in_Macrophytes_from_Lotic_and_Lentic_Environments_of_the_Middle_Parana_River_Argentina">Nutrient Concentrations in Macrophytes from Lotic and Lentic Environments of the Middle Parana River, Argentina</a></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Objectives: The purpose of this work was to compare nutrient concentrations in water, sediment, a...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">Objectives: The purpose of this work was to compare nutrient concentrations in water, sediment, and in plant tissues of Eichhornia crassipes and Panicum elephantipes from lotic and lentic environments of the Middle Parana River floodplain (Argentina). Materials and Methods: The study was carried out over an 18-month period. Plants, water, and sediment were collected in a lake (lentic environment) and in a river (lotic environment) from the Middle Parana River floodplain. Water and sediment were sampled in sites where P. elephantipes or E. crassipes were predominant and in sites without vegetation. Results and Discussion: The lentic and lotic environments dominated by E. crassipes showed the highest ammonium concentrations. The sediment from the lotic environment showed total phosphorus (TP) and total Kjeldahl nitrogen (TKN) concentrations significantly lower than those found in the sediment from the lentic environment. In the lentic environment, the sediment from the lake with the d...</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="e3033f68c29ad604605d4559f4b71e1a" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":88727025,"asset_id":83355716,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/88727025/download_file?s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="83355716"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="83355716"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 83355716; 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="83355670"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/83355670/Humedales_construidos_para_tratamiento_de_efluentes_de_industrias_metal%C3%BArgicas_en_Santa_Fe_Argentina"><img alt="Research paper thumbnail of Humedales construidos para tratamiento de efluentes de industrias metalúrgicas en Santa Fe, Argentina" class="work-thumbnail" src="https://attachments.academia-assets.com/88727000/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/83355670/Humedales_construidos_para_tratamiento_de_efluentes_de_industrias_metal%C3%BArgicas_en_Santa_Fe_Argentina">Humedales construidos para tratamiento de efluentes de industrias metalúrgicas en Santa Fe, Argentina</a></div><div class="wp-workCard_item"><span>Tecnologia y Ciencias del Agua</span><span>, 2016</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">En Argentina, el uso de humedales construidos para tratamiento de efluentes es aun limitado, a pe...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">En Argentina, el uso de humedales construidos para tratamiento de efluentes es aun limitado, a pesar de que las condiciones para su implementacion son ideales (gran disponibilidad de terrenos marginales de bajo costo, clima templado con inviernos poco rigurosos y gran disponibilidad de macrofitas adaptadas al clima). El objetivo de este trabajo fue evaluar la eficiencia de dos humedales construidos (HC1 y HC2) para el tratamiento de efluentes de industrias metalurgicas y determinar si los contaminantes son retenidos por el sedimento o por la plantas, conocimientos clave para llevar a cabo un correcto manejo del humedal. En ambos humedales se trata el efluente cloacal junto con el industrial que contiene metales. Como los volumenes a tratar y la composicion quimica de los efluentes es diferente, los humedales construidos presentan distintas caracteristicas de diseno. HC1 esta en operacion desde hace 12 anos y HC2 desde hace cinco anos. Ambos humedales funcionaron de manera eficiente,...</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="80754aea7f8865ac75055bc16d666639" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":88727000,"asset_id":83355670,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/88727000/download_file?s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="83355670"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="83355670"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 83355670; 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="83355642"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" rel="nofollow" href="https://www.academia.edu/83355642/Exposure_of_Typha_domingensis_to_high_concentrations_of_multi_metal_and_nutrient_solutions_Study_of_tolerance_and_removal_efficiency"><img alt="Research paper thumbnail of Exposure of Typha domingensis to high concentrations of multi-metal and nutrient solutions: Study of tolerance and removal efficiency" class="work-thumbnail" src="https://a.academia-assets.com/images/blank-paper.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" rel="nofollow" href="https://www.academia.edu/83355642/Exposure_of_Typha_domingensis_to_high_concentrations_of_multi_metal_and_nutrient_solutions_Study_of_tolerance_and_removal_efficiency">Exposure of Typha domingensis to high concentrations of multi-metal and nutrient solutions: Study of tolerance and removal efficiency</a></div><div class="wp-workCard_item"><span>Ecological Engineering</span><span>, 2021</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Abstract This work studied the effects of nutrients on metal tolerance, removal efficiency, and m...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">Abstract This work studied the effects of nutrients on metal tolerance, removal efficiency, and metal accumulation in tissues of T. domingensis. This macrophyte was exposed to solutions of Cr(III) + Ni + Zn at extremely high concentrations. Treatments were metal combinations of 200 or 600 mg L−1 of each metal with and without nutrients (N and P). Treatment 600 exhibited significantly lower final metal removals than those of 200. The highest removal from water in all treatments was registered for Cr. Final Cr removal did not show significant differences between the treatments with and without nutrient addition. Sediment showed higher concentrations than plant tissues. Roots exhibited the highest Cr concentrations in tissues. In comparison with roots, leaves did not show significant differences in Ni and Zn concentrations, except for 200 and 200 + nutrient. Treatments with nutrient addition reached a significantly higher relative growth rate (RGR) than that obtained in treatments without nutrient addition. Treatments 600 and 600 + nutrients showed a significantly lower RGR than that of treatments 200 and 200 + nutrients. In Treatment 600 the lowest chlorophyll concentration was observed. T. domingensis demonstrated its ability to survive a fortuitous industrial dump of high metal concentrations in a treatment wetland.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="83355642"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="83355642"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 83355642; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=83355642]").text(description); $(".js-view-count[data-work-id=83355642]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 83355642; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='83355642']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-a9bf3a2bc8c89fa2a77156577594264ee8a0f214d74241bc0fcd3f69f8d107ac.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (false){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "-1" } } $('.js-work-strip[data-work-id=83355642]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":83355642,"title":"Exposure of Typha domingensis to high concentrations of multi-metal and nutrient solutions: Study of tolerance and removal efficiency","internal_url":"https://www.academia.edu/83355642/Exposure_of_Typha_domingensis_to_high_concentrations_of_multi_metal_and_nutrient_solutions_Study_of_tolerance_and_removal_efficiency","owner_id":40914496,"coauthors_can_edit":true,"owner":{"id":40914496,"first_name":"Maria","middle_initials":null,"last_name":"Maine","page_name":"MariaMaine","domain_name":"unl","created_at":"2016-01-04T06:11:49.346-08:00","display_name":"Maria Maine","url":"https://unl.academia.edu/MariaMaine"},"attachments":[]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="83355618"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/83355618/Salinity_and_pH_effects_on_floating_and_emergent_macrophytes_in_a_constructed_wetland"><img alt="Research paper thumbnail of Salinity and pH effects on floating and emergent macrophytes in a constructed wetland" class="work-thumbnail" src="https://attachments.academia-assets.com/88726969/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/83355618/Salinity_and_pH_effects_on_floating_and_emergent_macrophytes_in_a_constructed_wetland">Salinity and pH effects on floating and emergent macrophytes in a constructed wetland</a></div><div class="wp-workCard_item"><span>Water Science and Technology</span><span>, 2018</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Salvinia herzogii, Pistia stratiotes and Eichhornia crassipes (floating species) were the dominan...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">Salvinia herzogii, Pistia stratiotes and Eichhornia crassipes (floating species) were the dominant macrophytes in a constructed wetland (CW) over the first years of operation. Later, the emergent Typha domingensis displaced the floating species, becoming dominant. The industrial effluent treated at this CW showed high pH and salinity. The aim of this work was to study the tolerance of floating species and T. domingensis exposed to different pH and salinity treatments. Treatments at pH 8, 9, 10 and 11 and salinities of 2,000; 3,000; 4,000; 6,000; and 8,000 mg L−1 were performed. Floating macrophytes were unable to tolerate the studied pH and salinity ranges, while T. domingensis tolerated higher pH and salinity values. Many industrial effluents commonly show high pH and salinity. T. domingensis demonstrated to be a suitable macrophyte to treat this type of effluents.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="2ed40c6b1cc666ea2cebb8d7085c6ade" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":88726969,"asset_id":83355618,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/88726969/download_file?s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="83355618"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="83355618"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 83355618; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=83355618]").text(description); $(".js-view-count[data-work-id=83355618]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 83355618; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='83355618']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-a9bf3a2bc8c89fa2a77156577594264ee8a0f214d74241bc0fcd3f69f8d107ac.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (true){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "2ed40c6b1cc666ea2cebb8d7085c6ade" } } $('.js-work-strip[data-work-id=83355618]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":83355618,"title":"Salinity and pH effects on floating and emergent macrophytes in a constructed wetland","internal_url":"https://www.academia.edu/83355618/Salinity_and_pH_effects_on_floating_and_emergent_macrophytes_in_a_constructed_wetland","owner_id":40914496,"coauthors_can_edit":true,"owner":{"id":40914496,"first_name":"Maria","middle_initials":null,"last_name":"Maine","page_name":"MariaMaine","domain_name":"unl","created_at":"2016-01-04T06:11:49.346-08:00","display_name":"Maria Maine","url":"https://unl.academia.edu/MariaMaine"},"attachments":[{"id":88726969,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/88726969/thumbnails/1.jpg","file_name":"wst2017010270.pdf","download_url":"https://www.academia.edu/attachments/88726969/download_file","bulk_download_file_name":"Salinity_and_pH_effects_on_floating_and.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/88726969/wst2017010270-libre.pdf?1658152671=\u0026response-content-disposition=attachment%3B+filename%3DSalinity_and_pH_effects_on_floating_and.pdf\u0026Expires=1739917598\u0026Signature=F2n9o18aeoBZVPxyzikE3rRqBYDRpHFSDHTBzD0oO3o6I2J7l8TjDur8c7-5gciRx6qErPccdFpPlNuxrGaexIJ45KDLgTFCz2HcA~AeXbl62BOnQWvymf93vRVUhArPR1Po-IA8lbePBeb1~kkHC7-LYM8Nrje4LkCgTHQczJ~y6XDtIRpGQ15lV5EORb2OH3ez~89gYx-Kzd2aLZSRyNPzwGsNww6kPuTAJBbb2jG1yrcb6u32VPR1bxz~jJs2L3r3QaU0XSxRp15DbSZjXkcyZI5VfG~CCLCar58isLzbeyeq40aXTodt-ZTOWAoa7IC4-mSGzNPGJcFOk2xZ5A__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="83355386"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" href="https://www.academia.edu/83355386/Distribution_of_high_Zn_concentrations_in_unvegetated_and_Typha_domingensis_Pers_vegetated_sediments"><img alt="Research paper thumbnail of Distribution of high Zn concentrations in unvegetated and Typha domingensis Pers. vegetated sediments" class="work-thumbnail" src="https://attachments.academia-assets.com/88726850/thumbnails/1.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" href="https://www.academia.edu/83355386/Distribution_of_high_Zn_concentrations_in_unvegetated_and_Typha_domingensis_Pers_vegetated_sediments">Distribution of high Zn concentrations in unvegetated and Typha domingensis Pers. vegetated sediments</a></div><div class="wp-workCard_item"><span>Environmental Earth Sciences</span><span>, 2016</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">An experiment was carried out to determine if the presence of Typha domingensis affects the accum...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">An experiment was carried out to determine if the presence of Typha domingensis affects the accumulation and speciation of high concentrations of Zn in sediments of aquatic systems. Reactors containing sediment and two plants of T. domingensis were disposed in triplicate. The treatments were: (1) 100 mg L-1 Zn (Zn100); (2) 500 mg L-1 Zn (Zn500) and (3) control, without Zn. The same treatments without plants were disposed. The experiment lasted 30 days. Zn was efficiently removed from water in all treatments (greater than 75 %). In Zn500 treatments, Zn removal was significantly high in vegetated reactors. Zn accumulation was significantly high in the superficial sediment layer (0-3 cm). T. domingensis influenced Zn accumulation and its distribution in sediments. The unvegetated sediment accumulated higher Zn concentrations than vegetated sediments. Zn was accumulated in less available fractions in unvegetated than vegetated sediments. Submerged parts of leaves accumulated higher Zn concentration than the other plant organs. Plants did not show toxic symptoms, so it could be assumed that they would continue taking up Zn. In the occasion of a dump of high Zinc concentration, constructed wetlands could retain it, minimizing the environmental impact. Further investigation is needed to evaluate the role of macrophytes in the sustainability of Zn retention in constructed wetlands.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="cfe3836f32adc3797c88ea4d2faac104" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":88726850,"asset_id":83355386,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/88726850/download_file?s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="83355386"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="83355386"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 83355386; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=83355386]").text(description); $(".js-view-count[data-work-id=83355386]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 83355386; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='83355386']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-a9bf3a2bc8c89fa2a77156577594264ee8a0f214d74241bc0fcd3f69f8d107ac.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (true){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); 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$(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="83355250"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" rel="nofollow" href="https://www.academia.edu/83355250/Dairy_farm_wastewater_treatment_using_horizontal_subsurface_flow_wetlands_withTypha_domingensisand_different_substrates"><img alt="Research paper thumbnail of Dairy farm wastewater treatment using horizontal subsurface flow wetlands withTypha domingensisand different substrates" class="work-thumbnail" src="https://a.academia-assets.com/images/blank-paper.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" rel="nofollow" href="https://www.academia.edu/83355250/Dairy_farm_wastewater_treatment_using_horizontal_subsurface_flow_wetlands_withTypha_domingensisand_different_substrates">Dairy farm wastewater treatment using horizontal subsurface flow wetlands withTypha domingensisand different substrates</a></div><div class="wp-workCard_item"><span>Environmental Technology</span><span>, 2016</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">The aim of this work was to evaluate the influence of different substrates in the performance of ...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">The aim of this work was to evaluate the influence of different substrates in the performance of a horizontal flow constructed wetland employed in dairy farm wastewater treatment. Typha domingensis was chosen for this study due to its high productivity and efficiency in nutrient removal. Fifteen microcosm-scale reactors simulating horizontal flow constructed wetlands were disposed in a greenhouse in triplicate. Five substrates (river gravel, gravel, LECA, river gravel + zeolite and gravel + zeolite) were evaluated. Real effluent with previous treatment was used. Dairy farm effluents favoured T. domingensis growth, probably due to their high nutrient concentrations. The treatments with the different substrates studied were efficient in the treatment of the dairy farm effluent obtaining ammonium ([Formula: see text]) and total phosphorus (TP) removals between 88-99% and 86-99%, respectively. Removal efficiencies were significantly higher in treatments using LECA and combined substrate (gravel + zeolite). After treatment, the quality of the final effluent was significantly improved. Outlet effluent complied with regulations and could be discharged into the environment.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="83355250"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="83355250"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 83355250; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=83355250]").text(description); $(".js-view-count[data-work-id=83355250]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 83355250; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='83355250']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-a9bf3a2bc8c89fa2a77156577594264ee8a0f214d74241bc0fcd3f69f8d107ac.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (false){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "-1" } } $('.js-work-strip[data-work-id=83355250]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":83355250,"title":"Dairy farm wastewater treatment using horizontal subsurface flow wetlands withTypha domingensisand different substrates","internal_url":"https://www.academia.edu/83355250/Dairy_farm_wastewater_treatment_using_horizontal_subsurface_flow_wetlands_withTypha_domingensisand_different_substrates","owner_id":40914496,"coauthors_can_edit":true,"owner":{"id":40914496,"first_name":"Maria","middle_initials":null,"last_name":"Maine","page_name":"MariaMaine","domain_name":"unl","created_at":"2016-01-04T06:11:49.346-08:00","display_name":"Maria Maine","url":"https://unl.academia.edu/MariaMaine"},"attachments":[]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="83355153"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" rel="nofollow" href="https://www.academia.edu/83355153/Ni_accumulation_and_its_effects_on_physiological_and_biochemical_parameters_of_Eichhornia_crassipes"><img alt="Research paper thumbnail of Ni accumulation and its effects on physiological and biochemical parameters of Eichhornia crassipes" class="work-thumbnail" src="https://a.academia-assets.com/images/blank-paper.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" rel="nofollow" href="https://www.academia.edu/83355153/Ni_accumulation_and_its_effects_on_physiological_and_biochemical_parameters_of_Eichhornia_crassipes">Ni accumulation and its effects on physiological and biochemical parameters of Eichhornia crassipes</a></div><div class="wp-workCard_item"><span>Environmental and Experimental Botany</span><span>, 2015</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">ABSTRACT Ni accumulation and concomitant physiological and biochemical responses were studied in ...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">ABSTRACT Ni accumulation and concomitant physiological and biochemical responses were studied in Eichhornia crassipes1 exposed to different concentrations (1, 2, 3 and 4 mg l−1 Ni) for 72 h. E. crassipes1 rapidly sorbed Ni during the first 24 h. Ni concentration in roots was significantly higher than in aerial parts. Continuity of the photosynthetic activity was observed by a significant increase of pigment concentrations during the first 48 h, followed by a decrease at 72 h. In aerial parts, MDA concentration increased significantly during first 48 h at the highest Ni concentration exposure. However, was evidently counteracted by the compensatory protective mechanism of increased antioxidant enzyme activities. In roots, a significant increase in enzyme activities of antioxidant system did not prevent lipid peroxidation observed by an increase in MDA concentration at 72 h of exposure. Our results suggest that E. crassipes1 was able to tolerate Ni stress increasing the activity of its antioxidant system at short exposure times and low Ni concentrations studied.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="83355153"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="83355153"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 83355153; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=83355153]").text(description); $(".js-view-count[data-work-id=83355153]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 83355153; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='83355153']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-a9bf3a2bc8c89fa2a77156577594264ee8a0f214d74241bc0fcd3f69f8d107ac.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (false){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "-1" } } $('.js-work-strip[data-work-id=83355153]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":83355153,"title":"Ni accumulation and its effects on physiological and biochemical parameters of Eichhornia crassipes","internal_url":"https://www.academia.edu/83355153/Ni_accumulation_and_its_effects_on_physiological_and_biochemical_parameters_of_Eichhornia_crassipes","owner_id":40914496,"coauthors_can_edit":true,"owner":{"id":40914496,"first_name":"Maria","middle_initials":null,"last_name":"Maine","page_name":"MariaMaine","domain_name":"unl","created_at":"2016-01-04T06:11:49.346-08:00","display_name":"Maria Maine","url":"https://unl.academia.edu/MariaMaine"},"attachments":[]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="83354981"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" rel="nofollow" href="https://www.academia.edu/83354981/Ni_accumulation_and_its_effects_on_physiological_and_biochemical_parameters_of_Eichhornia_crassipes"><img alt="Research paper thumbnail of Ni accumulation and its effects on physiological and biochemical parameters of Eichhornia crassipes" class="work-thumbnail" src="https://a.academia-assets.com/images/blank-paper.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" rel="nofollow" href="https://www.academia.edu/83354981/Ni_accumulation_and_its_effects_on_physiological_and_biochemical_parameters_of_Eichhornia_crassipes">Ni accumulation and its effects on physiological and biochemical parameters of Eichhornia crassipes</a></div><div class="wp-workCard_item"><span>Environmental and Experimental Botany</span><span>, 2015</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">ABSTRACT Ni accumulation and concomitant physiological and biochemical responses were studied in ...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">ABSTRACT Ni accumulation and concomitant physiological and biochemical responses were studied in Eichhornia crassipes1 exposed to different concentrations (1, 2, 3 and 4 mg l−1 Ni) for 72 h. E. crassipes1 rapidly sorbed Ni during the first 24 h. Ni concentration in roots was significantly higher than in aerial parts. Continuity of the photosynthetic activity was observed by a significant increase of pigment concentrations during the first 48 h, followed by a decrease at 72 h. In aerial parts, MDA concentration increased significantly during first 48 h at the highest Ni concentration exposure. However, was evidently counteracted by the compensatory protective mechanism of increased antioxidant enzyme activities. In roots, a significant increase in enzyme activities of antioxidant system did not prevent lipid peroxidation observed by an increase in MDA concentration at 72 h of exposure. Our results suggest that E. crassipes1 was able to tolerate Ni stress increasing the activity of its antioxidant system at short exposure times and low Ni concentrations studied.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="83354981"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="83354981"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 83354981; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=83354981]").text(description); $(".js-view-count[data-work-id=83354981]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 83354981; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='83354981']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-a9bf3a2bc8c89fa2a77156577594264ee8a0f214d74241bc0fcd3f69f8d107ac.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (false){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "-1" } } $('.js-work-strip[data-work-id=83354981]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":83354981,"title":"Ni accumulation and its effects on physiological and biochemical parameters of Eichhornia crassipes","internal_url":"https://www.academia.edu/83354981/Ni_accumulation_and_its_effects_on_physiological_and_biochemical_parameters_of_Eichhornia_crassipes","owner_id":40914496,"coauthors_can_edit":true,"owner":{"id":40914496,"first_name":"Maria","middle_initials":null,"last_name":"Maine","page_name":"MariaMaine","domain_name":"unl","created_at":"2016-01-04T06:11:49.346-08:00","display_name":"Maria Maine","url":"https://unl.academia.edu/MariaMaine"},"attachments":[]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="83354942"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" rel="nofollow" href="https://www.academia.edu/83354942/Kinetics_of_Cr_III_and_Cr_VI_removal_from_water_by_two_floating_macrophytes"><img alt="Research paper thumbnail of Kinetics of Cr(III) and Cr(VI) removal from water by two floating macrophytes" class="work-thumbnail" src="https://a.academia-assets.com/images/blank-paper.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" rel="nofollow" href="https://www.academia.edu/83354942/Kinetics_of_Cr_III_and_Cr_VI_removal_from_water_by_two_floating_macrophytes">Kinetics of Cr(III) and Cr(VI) removal from water by two floating macrophytes</a></div><div class="wp-workCard_item"><span>International Journal of Phytoremediation</span><span>, 2015</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">The aim of this work was to compare Cr(III) and Cr(VI) removal kinetics from water by Pistia stra...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">The aim of this work was to compare Cr(III) and Cr(VI) removal kinetics from water by Pistia stratiotes and Salvinia herzogii. The accumulation in plant tissues and the effects of both Cr forms on plant growth were also evaluated. Plants were exposed to 2 and 6 mg L(-1) of Cr(III) or Cr(VI) during 30 days. At the end of the experiment, Cr(VI) removal percentages were significantly lower than those obtained for Cr(III) for both macrophytes. Cr(III) removal kinetics involved a fast and a slow component. The fast component was primarily responsible for Cr(III) removal while Cr(VI) removal kinetics involved only a slow process. Cr accumulated principally in the roots. In the Cr(VI) treatments a higher translocation from roots to aerial parts than in Cr(III) treatments was observed. Both macrophytes demonstrated a high ability to remove Cr(III) but not Cr(VI). Cr(III) inhibited the growth at the highest studied concentration of both macrophytes while Cr(VI) caused senescence. These results have important implications in the use of constructed wetlands for secondary industrial wastewater treatment. Common primary treatments of effluents containing Cr(VI) consists in its reduction to Cr(III). 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Highly efficient metal and nutrient removal was reported during this period. In June 2009, a population of approximately 30 capybaras (Hydrochoerus hydrochaeris) caused the complete depredation of the aerial parts of macrophytes. However, plant roots and rhizomes were not damaged. After depredation stopped, T. domingensis showed a luxuriant growth, reaching a cover of 60% in 30 days. The objective of this work was to evaluate the sustainability of the CW subjected to an extreme event. Removal efficiency of the system was compared during normal operation, during the depredation event and over the subsequent recovery period. The CW efficiently retained contaminants during all the periods studied. However, the best efficiencies were registered during the normal operation period. There were no significant differences between the performances of the CW over the last two periods, except for BOD. The mean removal percentages during normal operation/depredation event/recovery period, were: 84.9/73.2/74.7% Cr; 66.7/ 48.0/51.2% Ni; 97.2/91.0/89.4% Fe; 50.0/46.8/49.5% Zn; 81.0/84.0/80.4% NO 3-; 98.4/93.4/84.1% NO 2-; 73.9/ 28.2/53.2% BOD and 75.4/40.9/44.6% COD. SRP and TP presented low removal efficiencies. Despite the anoxic conditions, contaminants were not released from sediment, accumulating in fractions that proved to be stable faced with changes in the operating conditions of the CW. T. domingensis showed an excellent growth response, consequently the period without aerial parts lasted a few months and the CW could recover its normal operation. Plants continued retaining contaminants in their roots and the sediment increased its retention capacity, balancing the operating capacity of the system. This was probably due to the fact that the CW had reached its maturity, with a complete root-rhizome development. These results demonstrated that faced with an incidental problem, this mature CW was capable of maintaining its efficiency and recovering its vegetation, demonstrating the robustness of these treatment systems.</span></div><div class="wp-workCard_item wp-workCard--actions"><span class="work-strip-bookmark-button-container"></span><a id="9cb90cf24a201b08307459b0494c8e51" class="wp-workCard--action" rel="nofollow" data-click-track="profile-work-strip-download" data-download="{"attachment_id":88726568,"asset_id":83354851,"asset_type":"Work","button_location":"profile"}" href="https://www.academia.edu/attachments/88726568/download_file?s=profile"><span><i class="fa fa-arrow-down"></i></span><span>Download</span></a><span class="wp-workCard--action visible-if-viewed-by-owner inline-block" style="display: none;"><span class="js-profile-work-strip-edit-button-wrapper profile-work-strip-edit-button-wrapper" data-work-id="83354851"><a class="js-profile-work-strip-edit-button" tabindex="0"><span><i class="fa fa-pencil"></i></span><span>Edit</span></a></span></span></div><div class="wp-workCard_item wp-workCard--stats"><span><span><span class="js-view-count view-count u-mr2x" data-work-id="83354851"><i class="fa fa-spinner fa-spin"></i></span><script>$(function () { var workId = 83354851; window.Academia.workViewCountsFetcher.queue(workId, function (count) { var description = window.$h.commaizeInt(count) + " " + window.$h.pluralize(count, 'View'); $(".js-view-count[data-work-id=83354851]").text(description); $(".js-view-count[data-work-id=83354851]").attr('title', description).tooltip(); }); });</script></span></span><span><span class="percentile-widget hidden"><span class="u-mr2x work-percentile"></span></span><script>$(function () { var workId = 83354851; window.Academia.workPercentilesFetcher.queue(workId, function (percentileText) { var container = $(".js-work-strip[data-work-id='83354851']"); container.find('.work-percentile').text(percentileText.charAt(0).toUpperCase() + percentileText.slice(1)); container.find('.percentile-widget').show(); container.find('.percentile-widget').removeClass('hidden'); }); });</script></span></div><div id="work-strip-premium-row-container"></div></div></div><script> require.config({ waitSeconds: 90 })(["https://a.academia-assets.com/assets/wow_profile-a9bf3a2bc8c89fa2a77156577594264ee8a0f214d74241bc0fcd3f69f8d107ac.js","https://a.academia-assets.com/assets/work_edit-ad038b8c047c1a8d4fa01b402d530ff93c45fee2137a149a4a5398bc8ad67560.js"], function() { // from javascript_helper.rb var dispatcherData = {} if (true){ window.WowProfile.dispatcher = window.WowProfile.dispatcher || _.clone(Backbone.Events); dispatcherData = { dispatcher: window.WowProfile.dispatcher, downloadLinkId: "9cb90cf24a201b08307459b0494c8e51" } } $('.js-work-strip[data-work-id=83354851]').each(function() { if (!$(this).data('initialized')) { new WowProfile.WorkStripView({ el: this, workJSON: {"id":83354851,"title":"Sustainability of a constructed wetland faced with a depredation event","translated_title":"","metadata":{"publisher":"Elsevier BV","ai_title_tag":"Constructed Wetland Resilience Post-Depredation","grobid_abstract":"A free water surface constructed wetland (CW) designed for effluent treatment was dominated by the emergent macrophyte Typha domingensis reaching a cover of roughly 80% for 5 years. Highly efficient metal and nutrient removal was reported during this period. In June 2009, a population of approximately 30 capybaras (Hydrochoerus hydrochaeris) caused the complete depredation of the aerial parts of macrophytes. However, plant roots and rhizomes were not damaged. After depredation stopped, T. domingensis showed a luxuriant growth, reaching a cover of 60% in 30 days. The objective of this work was to evaluate the sustainability of the CW subjected to an extreme event. Removal efficiency of the system was compared during normal operation, during the depredation event and over the subsequent recovery period. The CW efficiently retained contaminants during all the periods studied. However, the best efficiencies were registered during the normal operation period. There were no significant differences between the performances of the CW over the last two periods, except for BOD. The mean removal percentages during normal operation/depredation event/recovery period, were: 84.9/73.2/74.7% Cr; 66.7/ 48.0/51.2% Ni; 97.2/91.0/89.4% Fe; 50.0/46.8/49.5% Zn; 81.0/84.0/80.4% NO 3-; 98.4/93.4/84.1% NO 2-; 73.9/ 28.2/53.2% BOD and 75.4/40.9/44.6% COD. SRP and TP presented low removal efficiencies. Despite the anoxic conditions, contaminants were not released from sediment, accumulating in fractions that proved to be stable faced with changes in the operating conditions of the CW. T. domingensis showed an excellent growth response, consequently the period without aerial parts lasted a few months and the CW could recover its normal operation. Plants continued retaining contaminants in their roots and the sediment increased its retention capacity, balancing the operating capacity of the system. This was probably due to the fact that the CW had reached its maturity, with a complete root-rhizome development. These results demonstrated that faced with an incidental problem, this mature CW was capable of maintaining its efficiency and recovering its vegetation, demonstrating the robustness of these treatment systems.","publication_date":{"day":null,"month":null,"year":2013,"errors":{}},"publication_name":"Journal of Environmental Management","grobid_abstract_attachment_id":88726568},"translated_abstract":null,"internal_url":"https://www.academia.edu/83354851/Sustainability_of_a_constructed_wetland_faced_with_a_depredation_event","translated_internal_url":"","created_at":"2022-07-18T06:22:47.450-07:00","preview_url":null,"current_user_can_edit":null,"current_user_is_owner":null,"owner_id":40914496,"coauthors_can_edit":true,"document_type":"paper","co_author_tags":[],"downloadable_attachments":[{"id":88726568,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/88726568/thumbnails/1.jpg","file_name":"j.jenvman.2013.04.05420220718-1-lf85ls.pdf","download_url":"https://www.academia.edu/attachments/88726568/download_file","bulk_download_file_name":"Sustainability_of_a_constructed_wetland.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/88726568/j.jenvman.2013.04.05420220718-1-lf85ls-libre.pdf?1658152398=\u0026response-content-disposition=attachment%3B+filename%3DSustainability_of_a_constructed_wetland.pdf\u0026Expires=1738730931\u0026Signature=cTY3ShIA2xlQY8vCVpeF-b9wXE-3-6H61nmq-htpn1tZN89mtFVFRjZBYbQMVmnw866RkZ00E6ST9tk7rX7ZRaJwVywLHvTCn~lMwIe6KG~1e0t-A9SA-YNuvmZF~at4-Y03r~G0Ec1IqhJai-eHOpoXu0o9GgNemCFrHWcuDTYRro7R~vxLxU-jlmsh13JXhBeu-Be09Mb9aoqTUx0Jt6YgWPzymRt6o3i6j4K23b0fg0F3DQYiLVNckxPPVMFWcN-Apo7TPyBaqv9-C4ZgC4Dr8xHXIoGIbruvsOFIEFao0K60chhNwn0yoCBvxL5xHrL5JkS7MwjO~VRO21AT7w__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"slug":"Sustainability_of_a_constructed_wetland_faced_with_a_depredation_event","translated_slug":"","page_count":6,"language":"en","content_type":"Work","summary":"A free water surface constructed wetland (CW) designed for effluent treatment was dominated by the emergent macrophyte Typha domingensis reaching a cover of roughly 80% for 5 years. Highly efficient metal and nutrient removal was reported during this period. In June 2009, a population of approximately 30 capybaras (Hydrochoerus hydrochaeris) caused the complete depredation of the aerial parts of macrophytes. However, plant roots and rhizomes were not damaged. After depredation stopped, T. domingensis showed a luxuriant growth, reaching a cover of 60% in 30 days. The objective of this work was to evaluate the sustainability of the CW subjected to an extreme event. Removal efficiency of the system was compared during normal operation, during the depredation event and over the subsequent recovery period. The CW efficiently retained contaminants during all the periods studied. However, the best efficiencies were registered during the normal operation period. There were no significant differences between the performances of the CW over the last two periods, except for BOD. The mean removal percentages during normal operation/depredation event/recovery period, were: 84.9/73.2/74.7% Cr; 66.7/ 48.0/51.2% Ni; 97.2/91.0/89.4% Fe; 50.0/46.8/49.5% Zn; 81.0/84.0/80.4% NO 3-; 98.4/93.4/84.1% NO 2-; 73.9/ 28.2/53.2% BOD and 75.4/40.9/44.6% COD. SRP and TP presented low removal efficiencies. Despite the anoxic conditions, contaminants were not released from sediment, accumulating in fractions that proved to be stable faced with changes in the operating conditions of the CW. T. domingensis showed an excellent growth response, consequently the period without aerial parts lasted a few months and the CW could recover its normal operation. Plants continued retaining contaminants in their roots and the sediment increased its retention capacity, balancing the operating capacity of the system. This was probably due to the fact that the CW had reached its maturity, with a complete root-rhizome development. These results demonstrated that faced with an incidental problem, this mature CW was capable of maintaining its efficiency and recovering its vegetation, demonstrating the robustness of these treatment systems.","owner":{"id":40914496,"first_name":"Maria","middle_initials":null,"last_name":"Maine","page_name":"MariaMaine","domain_name":"unl","created_at":"2016-01-04T06:11:49.346-08:00","display_name":"Maria Maine","url":"https://unl.academia.edu/MariaMaine"},"attachments":[{"id":88726568,"title":"","file_type":"pdf","scribd_thumbnail_url":"https://attachments.academia-assets.com/88726568/thumbnails/1.jpg","file_name":"j.jenvman.2013.04.05420220718-1-lf85ls.pdf","download_url":"https://www.academia.edu/attachments/88726568/download_file","bulk_download_file_name":"Sustainability_of_a_constructed_wetland.pdf","bulk_download_url":"https://d1wqtxts1xzle7.cloudfront.net/88726568/j.jenvman.2013.04.05420220718-1-lf85ls-libre.pdf?1658152398=\u0026response-content-disposition=attachment%3B+filename%3DSustainability_of_a_constructed_wetland.pdf\u0026Expires=1738730931\u0026Signature=cTY3ShIA2xlQY8vCVpeF-b9wXE-3-6H61nmq-htpn1tZN89mtFVFRjZBYbQMVmnw866RkZ00E6ST9tk7rX7ZRaJwVywLHvTCn~lMwIe6KG~1e0t-A9SA-YNuvmZF~at4-Y03r~G0Ec1IqhJai-eHOpoXu0o9GgNemCFrHWcuDTYRro7R~vxLxU-jlmsh13JXhBeu-Be09Mb9aoqTUx0Jt6YgWPzymRt6o3i6j4K23b0fg0F3DQYiLVNckxPPVMFWcN-Apo7TPyBaqv9-C4ZgC4Dr8xHXIoGIbruvsOFIEFao0K60chhNwn0yoCBvxL5xHrL5JkS7MwjO~VRO21AT7w__\u0026Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA"}],"research_interests":[{"id":48,"name":"Engineering","url":"https://www.academia.edu/Documents/in/Engineering"},{"id":7609,"name":"Environmental Management","url":"https://www.academia.edu/Documents/in/Environmental_Management"},{"id":9813,"name":"Argentina","url":"https://www.academia.edu/Documents/in/Argentina"},{"id":26327,"name":"Medicine","url":"https://www.academia.edu/Documents/in/Medicine"},{"id":28235,"name":"Multidisciplinary","url":"https://www.academia.edu/Documents/in/Multidisciplinary"},{"id":35390,"name":"Rodentia","url":"https://www.academia.edu/Documents/in/Rodentia"},{"id":53108,"name":"Phosphorus","url":"https://www.academia.edu/Documents/in/Phosphorus"},{"id":58337,"name":"Macrophytes","url":"https://www.academia.edu/Documents/in/Macrophytes"},{"id":83587,"name":"Wetland","url":"https://www.academia.edu/Documents/in/Wetland"},{"id":122402,"name":"Nitrates","url":"https://www.academia.edu/Documents/in/Nitrates"},{"id":187567,"name":"Constructed Wetlands","url":"https://www.academia.edu/Documents/in/Constructed_Wetlands"},{"id":192294,"name":"Sediment","url":"https://www.academia.edu/Documents/in/Sediment"},{"id":202399,"name":"Plant Roots","url":"https://www.academia.edu/Documents/in/Plant_Roots"},{"id":255058,"name":"Metals","url":"https://www.academia.edu/Documents/in/Metals"},{"id":448571,"name":"Contaminants","url":"https://www.academia.edu/Documents/in/Contaminants"},{"id":602119,"name":"Effluent","url":"https://www.academia.edu/Documents/in/Effluent"},{"id":1256664,"name":"Typhaceae","url":"https://www.academia.edu/Documents/in/Typhaceae"},{"id":1256666,"name":"Geologic Sediments","url":"https://www.academia.edu/Documents/in/Geologic_Sediments"},{"id":1487674,"name":"Biological Oxygen Demand Analysis","url":"https://www.academia.edu/Documents/in/Biological_Oxygen_Demand_Analysis"}],"urls":[{"id":22267164,"url":"https://api.elsevier.com/content/article/PII:S0301479713003046?httpAccept=text/xml"}]}, dispatcherData: dispatcherData }); $(this).data('initialized', true); } }); $a.trackClickSource(".js-work-strip-work-link", "profile_work_strip") }); </script> <div class="js-work-strip profile--work_container" data-work-id="83354494"><div class="profile--work_thumbnail hidden-xs"><a class="js-work-strip-work-link" data-click-track="profile-work-strip-thumbnail" rel="nofollow" href="https://www.academia.edu/83354494/Long_term_performance_of_two_free_water_surface_wetlands_for_metallurgical_effluent_treatment"><img alt="Research paper thumbnail of Long-term performance of two free-water surface wetlands for metallurgical effluent treatment" class="work-thumbnail" src="https://a.academia-assets.com/images/blank-paper.jpg" /></a></div><div class="wp-workCard wp-workCard_itemContainer"><div class="wp-workCard_item wp-workCard--title"><a class="js-work-strip-work-link text-gray-darker" data-click-track="profile-work-strip-title" rel="nofollow" href="https://www.academia.edu/83354494/Long_term_performance_of_two_free_water_surface_wetlands_for_metallurgical_effluent_treatment">Long-term performance of two free-water surface wetlands for metallurgical effluent treatment</a></div><div class="wp-workCard_item"><span>Ecological Engineering</span><span>, 2017</span></div><div class="wp-workCard_item"><span class="js-work-more-abstract-truncated">Abstract The aim of this study was to evaluate the efficiency of two constructed wetlands (CW1 an...</span><a class="js-work-more-abstract" data-broccoli-component="work_strip.more_abstract" data-click-track="profile-work-strip-more-abstract" href="javascript:;"><span> more </span><span><i class="fa fa-caret-down"></i></span></a><span class="js-work-more-abstract-untruncated hidden">Abstract The aim of this study was to evaluate the efficiency of two constructed wetlands (CW1 and CW2) for the wastewater treatment of metallurgical industries and determine if contaminants are retained by the sediment or the plants, key knowledge for suitable wetland management. Both systems are free water surface CWs and were designed to treat industrial wastewater (with high pH and salinity containing Cr, Ni and Zn) and sewage together. Wastewaters receive a primary treatment before reaching the wetlands. CW1 and CW2 have been operating for 14 and 7 years, respectively. Wastewater, sediment and plants were sampled monthly in the inlet and outlet zones of both CWs. In both CWs, removal efficiencies were satisfactory. T. domingensis, the dominant species, is tolerant to metallurgical wastewaters and efficient in metal accumulation. Metals and P were efficiently removed in both CWs, being metals retained mainly in sediment, and P was retained in sediment and plants of the inlet zone. Metal concentration in macrophyte tissues is related to influent concentration while metal concentration in sediment depends not only on influent concentration but also on the time of operation of the CWs. Metals are bound to sediment fractions that can be considered steady under chemical and environmental conditions of the wetlands. 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