Transfer of mercury and methylmercury along macroinvertebrate food chains in a floodplain lake of the Beni River, Bolivian Amazonia

Autores
Molina, Carlos Israel; Gibon, François Marie; Duprey, Jean Louis; Dominguez, Eduardo; Guimarães, Jean Remy D.; Roulet, Marc
Año de publicación
2010
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
We have evaluated the mercury and methylmercury transfers to and within the macroinvertebrate communities of a floodplain lake of the Beni River basin, Bolivia, during three hydrological seasons and in two habitats (open water and vegetation belt). Using the stable isotopes δ13C and δ15N, six trophic chains were identified during a previous study. Four are based on only one source: seston, organic matter from the bottom sediment, periphyton and macrophytes. Two are based on mixed sources (seston and periphyton in one case, periphyton and macrophytes in the other). During sampling, we found only one taxon that had surface sediment organic matter as food source and very few taxa whose trophic source was constituted by macrophytes. The periphyton was the most important source during all seasons; it produced the longest chain, with three trophic positions. Whatever the season and trophic source, all collected macroinvertebrates contained methyl mercury and the latter was biomagnified in all trophic chains that we identified. The biomagnification of methylmercury through invertebrate trophic chains accurately reflected the existence and length of these chains. Biomagnification was virtually non-existent in the sediment-based chain, low and restricted to the dry season in the macrophyte-based chain. It was significant in the seston-based chain, but limited by the existence of only two trophic levels and restricted to the wet season. Finally, it was very effective in the periphyton-based chain, which offers the highest rate of contamination of the source but, above all, the largest number of trophic levels.
Fil: Molina, Carlos Israel. Universidad Mayor de San Andrés; Bolivia. Centre National de la Recherche Scientifique. Institut de Recherche pour le Développement; Francia
Fil: Gibon, François Marie. Centre National de la Recherche Scientifique. Institut de Recherche pour le Développement; Francia. Muséum National d'Histoire Naturelle; Francia
Fil: Duprey, Jean Louis. Centre National de la Recherche Scientifique. Institut de Recherche pour le Développement; Francia
Fil: Dominguez, Eduardo. Universidad Nacional de Tucumán. Facultad de Ciencias Naturales e Instituto Miguel Lillo; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Guimarães, Jean Remy D.. Universidade Federal do Rio de Janeiro; Brasil
Fil: Roulet, Marc. Centre National de la Recherche Scientifique. Institut de Recherche pour le Développement; Francia
Materia
Macroinvertebrates
Macrophytes
Periphyton
Sediment
Seston
Trophic Chain
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/74315
Acceder
id CONICETDig_ac1d53631f21665979d3982e070a2d15
oai_identifier_str oai:ri.conicet.gov.ar:11336/74315
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Transfer of mercury and methylmercury along macroinvertebrate food chains in a floodplain lake of the Beni River, Bolivian AmazoniaMolina, Carlos IsraelGibon, François MarieDuprey, Jean LouisDominguez, EduardoGuimarães, Jean Remy D.Roulet, MarcMacroinvertebratesMacrophytesPeriphytonSedimentSestonTrophic Chainhttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1We have evaluated the mercury and methylmercury transfers to and within the macroinvertebrate communities of a floodplain lake of the Beni River basin, Bolivia, during three hydrological seasons and in two habitats (open water and vegetation belt). Using the stable isotopes δ13C and δ15N, six trophic chains were identified during a previous study. Four are based on only one source: seston, organic matter from the bottom sediment, periphyton and macrophytes. Two are based on mixed sources (seston and periphyton in one case, periphyton and macrophytes in the other). During sampling, we found only one taxon that had surface sediment organic matter as food source and very few taxa whose trophic source was constituted by macrophytes. The periphyton was the most important source during all seasons; it produced the longest chain, with three trophic positions. Whatever the season and trophic source, all collected macroinvertebrates contained methyl mercury and the latter was biomagnified in all trophic chains that we identified. The biomagnification of methylmercury through invertebrate trophic chains accurately reflected the existence and length of these chains. Biomagnification was virtually non-existent in the sediment-based chain, low and restricted to the dry season in the macrophyte-based chain. It was significant in the seston-based chain, but limited by the existence of only two trophic levels and restricted to the wet season. Finally, it was very effective in the periphyton-based chain, which offers the highest rate of contamination of the source but, above all, the largest number of trophic levels.Fil: Molina, Carlos Israel. Universidad Mayor de San Andrés; Bolivia. Centre National de la Recherche Scientifique. Institut de Recherche pour le Développement; FranciaFil: Gibon, François Marie. Centre National de la Recherche Scientifique. Institut de Recherche pour le Développement; Francia. Muséum National d'Histoire Naturelle; FranciaFil: Duprey, Jean Louis. Centre National de la Recherche Scientifique. Institut de Recherche pour le Développement; FranciaFil: Dominguez, Eduardo. Universidad Nacional de Tucumán. Facultad de Ciencias Naturales e Instituto Miguel Lillo; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Guimarães, Jean Remy D.. Universidade Federal do Rio de Janeiro; BrasilFil: Roulet, Marc. Centre National de la Recherche Scientifique. Institut de Recherche pour le Développement; FranciaElsevier Science2010-07info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/74315Molina, Carlos Israel; Gibon, François Marie; Duprey, Jean Louis; Dominguez, Eduardo; Guimarães, Jean Remy D.; et al.; Transfer of mercury and methylmercury along macroinvertebrate food chains in a floodplain lake of the Beni River, Bolivian Amazonia; Elsevier Science; Science of the Total Environment; 408; 16; 7-2010; 3382-33910048-9697CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1016/j.scitotenv.2010.04.019info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0048969710003979info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-nd/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:02:16Zoai:ri.conicet.gov.ar:11336/74315instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 10:02:17.071CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Transfer of mercury and methylmercury along macroinvertebrate food chains in a floodplain lake of the Beni River, Bolivian Amazonia
title Transfer of mercury and methylmercury along macroinvertebrate food chains in a floodplain lake of the Beni River, Bolivian Amazonia
spellingShingle Transfer of mercury and methylmercury along macroinvertebrate food chains in a floodplain lake of the Beni River, Bolivian Amazonia
Molina, Carlos Israel
Macroinvertebrates
Macrophytes
Periphyton
Sediment
Seston
Trophic Chain
title_short Transfer of mercury and methylmercury along macroinvertebrate food chains in a floodplain lake of the Beni River, Bolivian Amazonia
title_full Transfer of mercury and methylmercury along macroinvertebrate food chains in a floodplain lake of the Beni River, Bolivian Amazonia
title_fullStr Transfer of mercury and methylmercury along macroinvertebrate food chains in a floodplain lake of the Beni River, Bolivian Amazonia
title_full_unstemmed Transfer of mercury and methylmercury along macroinvertebrate food chains in a floodplain lake of the Beni River, Bolivian Amazonia
title_sort Transfer of mercury and methylmercury along macroinvertebrate food chains in a floodplain lake of the Beni River, Bolivian Amazonia
dc.creator.none.fl_str_mv Molina, Carlos Israel
Gibon, François Marie
Duprey, Jean Louis
Dominguez, Eduardo
Guimarães, Jean Remy D.
Roulet, Marc
author Molina, Carlos Israel
author_facet Molina, Carlos Israel
Gibon, François Marie
Duprey, Jean Louis
Dominguez, Eduardo
Guimarães, Jean Remy D.
Roulet, Marc
author_role author
author2 Gibon, François Marie
Duprey, Jean Louis
Dominguez, Eduardo
Guimarães, Jean Remy D.
Roulet, Marc
author2_role author
author
author
author
author
dc.subject.none.fl_str_mv Macroinvertebrates
Macrophytes
Periphyton
Sediment
Seston
Trophic Chain
topic Macroinvertebrates
Macrophytes
Periphyton
Sediment
Seston
Trophic Chain
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv We have evaluated the mercury and methylmercury transfers to and within the macroinvertebrate communities of a floodplain lake of the Beni River basin, Bolivia, during three hydrological seasons and in two habitats (open water and vegetation belt). Using the stable isotopes δ13C and δ15N, six trophic chains were identified during a previous study. Four are based on only one source: seston, organic matter from the bottom sediment, periphyton and macrophytes. Two are based on mixed sources (seston and periphyton in one case, periphyton and macrophytes in the other). During sampling, we found only one taxon that had surface sediment organic matter as food source and very few taxa whose trophic source was constituted by macrophytes. The periphyton was the most important source during all seasons; it produced the longest chain, with three trophic positions. Whatever the season and trophic source, all collected macroinvertebrates contained methyl mercury and the latter was biomagnified in all trophic chains that we identified. The biomagnification of methylmercury through invertebrate trophic chains accurately reflected the existence and length of these chains. Biomagnification was virtually non-existent in the sediment-based chain, low and restricted to the dry season in the macrophyte-based chain. It was significant in the seston-based chain, but limited by the existence of only two trophic levels and restricted to the wet season. Finally, it was very effective in the periphyton-based chain, which offers the highest rate of contamination of the source but, above all, the largest number of trophic levels.
Fil: Molina, Carlos Israel. Universidad Mayor de San Andrés; Bolivia. Centre National de la Recherche Scientifique. Institut de Recherche pour le Développement; Francia
Fil: Gibon, François Marie. Centre National de la Recherche Scientifique. Institut de Recherche pour le Développement; Francia. Muséum National d'Histoire Naturelle; Francia
Fil: Duprey, Jean Louis. Centre National de la Recherche Scientifique. Institut de Recherche pour le Développement; Francia
Fil: Dominguez, Eduardo. Universidad Nacional de Tucumán. Facultad de Ciencias Naturales e Instituto Miguel Lillo; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Guimarães, Jean Remy D.. Universidade Federal do Rio de Janeiro; Brasil
Fil: Roulet, Marc. Centre National de la Recherche Scientifique. Institut de Recherche pour le Développement; Francia
description We have evaluated the mercury and methylmercury transfers to and within the macroinvertebrate communities of a floodplain lake of the Beni River basin, Bolivia, during three hydrological seasons and in two habitats (open water and vegetation belt). Using the stable isotopes δ13C and δ15N, six trophic chains were identified during a previous study. Four are based on only one source: seston, organic matter from the bottom sediment, periphyton and macrophytes. Two are based on mixed sources (seston and periphyton in one case, periphyton and macrophytes in the other). During sampling, we found only one taxon that had surface sediment organic matter as food source and very few taxa whose trophic source was constituted by macrophytes. The periphyton was the most important source during all seasons; it produced the longest chain, with three trophic positions. Whatever the season and trophic source, all collected macroinvertebrates contained methyl mercury and the latter was biomagnified in all trophic chains that we identified. The biomagnification of methylmercury through invertebrate trophic chains accurately reflected the existence and length of these chains. Biomagnification was virtually non-existent in the sediment-based chain, low and restricted to the dry season in the macrophyte-based chain. It was significant in the seston-based chain, but limited by the existence of only two trophic levels and restricted to the wet season. Finally, it was very effective in the periphyton-based chain, which offers the highest rate of contamination of the source but, above all, the largest number of trophic levels.
publishDate 2010
dc.date.none.fl_str_mv 2010-07
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/74315
Molina, Carlos Israel; Gibon, François Marie; Duprey, Jean Louis; Dominguez, Eduardo; Guimarães, Jean Remy D.; et al.; Transfer of mercury and methylmercury along macroinvertebrate food chains in a floodplain lake of the Beni River, Bolivian Amazonia; Elsevier Science; Science of the Total Environment; 408; 16; 7-2010; 3382-3391
0048-9697
CONICET Digital
CONICET
url http://hdl.handle.net/11336/74315
identifier_str_mv Molina, Carlos Israel; Gibon, François Marie; Duprey, Jean Louis; Dominguez, Eduardo; Guimarães, Jean Remy D.; et al.; Transfer of mercury and methylmercury along macroinvertebrate food chains in a floodplain lake of the Beni River, Bolivian Amazonia; Elsevier Science; Science of the Total Environment; 408; 16; 7-2010; 3382-3391
0048-9697
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.1016/j.scitotenv.2010.04.019
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0048969710003979
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Elsevier Science
publisher.none.fl_str_mv Elsevier Science
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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score 13.070432

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