{"corpus_id":58552780,"paper_sha":"ac3edb549717e42328f01adb1f7d34343eabdad2","doi":"10.1016/j.marenvres.2018.11.013","arxiv_id":null,"pmid":30665766,"pmcid":null,"mag_id":2901154352,"dblp_id":null,"acl_id":null,"title":"Linking eutrophication indicators in eelgrass habitats to nitrogen loading and mitigating site characteristics in eastern New Brunswick, Canada.","year":2019,"publication_date":"2019-02-01","venue":"Marine Environmental Research","journal":{"name":"Marine environmental research","pages":"\n          141-153\n        ","volume":"144"},"journal_issn":null,"journal_title":null,"publication_types":["JournalArticle","Review"],"pubmed_pub_types":["Journal Article"],"s2_fields_of_study":["Medicine","Environmental Science"],"reference_count":66,"citation_count":13,"influential_citation_count":0,"is_open_access":false,"arxiv_categories":null,"arxiv_license":null,"arxiv_journal_ref":null,"mesh_headings":[{"d":"Bays","mj":false,"ui":"D061006"},{"d":"Canada","mj":false,"ui":"D002170"},{"d":"Ecosystem","mj":true,"ui":"D017753"},{"d":"Environmental Monitoring","mj":false,"ui":"D004784"},{"d":"Eutrophication","mj":true,"ui":"D005068"},{"d":"New Brunswick","mj":false,"ui":"D009509"},{"d":"Nitrogen","mj":false,"qs":[{"q":"analysis","mj":true,"ui":"Q000032"}],"ui":"D009584"},{"d":"Seawater","mj":false,"qs":[{"q":"chemistry","mj":true,"ui":"Q000737"}],"ui":"D012623"},{"d":"Zosteraceae","mj":true,"ui":"D035962"}],"chemicals":[{"n":"Nitrogen","ui":"D009584","reg":"N762921K75"}],"comments_corrections":null,"source_flags":5,"s2_open_access_pdf_url":null,"s2_open_access_landing_url":null,"s2_open_access_license":null,"s2_open_access_status":null,"pmc_open_access_pdf_url":null,"pmc_open_access_landing_url":null,"pmc_open_access_license":null,"pmc_open_access_status":null,"unpaywall_open_access_pdf_url":null,"unpaywall_open_access_landing_url":null,"unpaywall_open_access_license":null,"unpaywall_open_access_status":null,"abstract":"Nitrogen loading has been linked to eutrophication and seagrass bed declines worldwide, yet early warning signs and potential mitigating factors are often less clear. Our objective was to use published nitrogen loading model results together with eelgrass habitat surveys from 7 bays in Atlantic Canada to assess linkages between nitrogen loading, tidal flushing and bivalve aquaculture on observed eutrophication indicators in eelgrass habitats. Field surveys revealed significant differences in primary indicators (annual algae, tissue nitrogen) and secondary changes in eelgrass bed structure, yet no large loss of eelgrass cover or biomass. Multivariate analyses found positive correlations between nitrogen loading and eutrophication indicators, with distinct clusters of high- and low-impact sites, and the mitigating effects of flushing time and aquaculture. Our results highlight that combining measures of nitrogen loading, eutrophication indicators and mitigating factors can help detect early warning signs and assess eutrophication risk to inform management and conservation of coastal ecosystems before significant losses of seagrass occurs.","claims":[{"public_id":"cl_6eba3d73e3a20cb6caeea9dcd1dc8c94","status":"active","text":"Combining nitrogen loading measures with eutrophication indicators and mitigating factors can help detect early warning signs and assess eutrophication risk in coastal ecosystems.","confidence":0.88,"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/claims/cl_6eba3d73e3a20cb6caeea9dcd1dc8c94"},{"public_id":"cl_7f190d8db6b4901b22545d023091eaa3","status":"active","text":"Field surveys detected significant differences in primary indicators and secondary eelgrass bed structure changes, but no large loss of eelgrass cover or biomass.","confidence":0.94,"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/claims/cl_7f190d8db6b4901b22545d023091eaa3"},{"public_id":"cl_00866807a05570b489265da022e734b2","status":"active","text":"Nitrogen loading was positively correlated with eutrophication indicators in eelgrass habitats across the surveyed bays.","confidence":0.96,"contributors":[{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["extraction"],"url":"https://sah.borca.ai/u/12632b8b5f"}],"url":"https://sah.borca.ai/claims/cl_00866807a05570b489265da022e734b2"},{"public_id":"cl_57209cafaf4aad78b1112cc3d97f206a","status":"active","text":"Tidal flushing time and bivalve aquaculture showed mitigating effects on eutrophication impacts at the studied 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