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Influence of a hydroelectric dam on fish mercury contamination along the Sinnamary River (French Guiana)

dc.rights.licenseopenen_US
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorMAURY-BRACHET, Regine
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorDASSIE, Emilie
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorLEGEAY, Alexia
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorGONZALEZ, Patrice
ORCID: 0000-0003-2628-2993
IDREF: 14341917X
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorFEURTET-MAZEL, Agnes
dc.contributor.authorGOURAND, François
dc.contributor.authorDOMINIQUE, Yannick
dc.contributor.authorVIGOUROUX, Régis
dc.date.accessioned2024-04-15T07:49:49Z
dc.date.available2024-04-15T07:49:49Z
dc.date.issued2024-01-01
dc.identifier.issn0147-6513en_US
dc.identifier.urioai:crossref.org:10.1016/j.ecoenv.2023.115771
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/197581
dc.description.abstractEnThe Petit Saut hydroelectric dam and the upstream and downstream areas of the Sinnamary River in French Guiana (Amazon basin) have been studied from 1993 to 2020. The nearly thirty-years-long study of the monitoring of total mercury concentration in fish and the physicochemical survey of the environment made it possible to demonstrate the impact of the flooding of the forest and the role of the hydroelectric dam on the methylation of mercury. Results show that the physicochemical modifications generated by the construction of the dam led to a significant production of methylmercury (MeHg) in the anoxic part of the reservoir and downstream of the river leading to a strong spatio-temporal impact of the dam. Seven species of fishes are studied and their mercury concentrations vary according to many parameters: fish diet, position in the water column, site, lake oxycline level and time.
dc.language.isoENen_US
dc.sourcecrossref
dc.subject.enMercury contamination
dc.subject.enTropical fish
dc.subject.enDam impoundment
dc.subject.enFrench Guiana
dc.subject.enHuman health
dc.title.enInfluence of a hydroelectric dam on fish mercury contamination along the Sinnamary River (French Guiana)
dc.typeArticle de revueen_US
dc.identifier.doi10.1016/j.ecoenv.2023.115771en_US
dc.subject.halSciences de l'environnementen_US
bordeaux.journalEcotoxicology and Environmental Safetyen_US
bordeaux.page115771en_US
bordeaux.volume269en_US
bordeaux.hal.laboratoriesEPOC : Environnements et Paléoenvironnements Océaniques et Continentaux - UMR 5805en_US
bordeaux.institutionUniversité de Bordeauxen_US
bordeaux.institutionCNRSen_US
bordeaux.teamEAen_US
bordeaux.peerReviewedouien_US
bordeaux.inpressnonen_US
bordeaux.import.sourcedissemin
hal.identifierhal-04546194
hal.version1
hal.date.transferred2024-04-15T07:49:52Z
hal.popularnonen_US
hal.audienceInternationaleen_US
hal.exporttrue
workflow.import.sourcedissemin
dc.rights.ccPas de Licence CCen_US
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Ecotoxicology%20and%20Environmental%20Safety&rft.date=2024-01-01&rft.volume=269&rft.spage=115771&rft.epage=115771&rft.eissn=0147-6513&rft.issn=0147-6513&rft.au=MAURY-BRACHET,%20Regine&DASSIE,%20Emilie&LEGEAY,%20Alexia&GONZALEZ,%20Patrice&FEURTET-MAZEL,%20Agnes&rft.genre=article


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