Isotopic studies in Pacific Panama mangrove estuaries reveal lack of effect of watershed deforestation on food webs

Autores
Viana, Inés G.; Valiela, Ivan; Martinetto, Paulina Maria del Rosario; Monteiro Pierce, Rita; Fox, Sophia E.
Año de publicación
2015
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Stable isotopic N, C, and S in food webs of 8 mangrove estuaries on the Pacific coast of Panama were measured to 1) determine whether the degree of deforestation of tropical forests on the contributing watersheds was detectable within the estuarine food web, and 2) define external sources of the food webs within the mangrove estuaries. Even though terrestrial rain forest cover on the contributing watersheds differed between 23 and 92%, the effect of deforestation was not detectable on stable isotopic values in food webs present at the mouth of the receiving estuaries. We used stable isotopic measures to identify producers or organic sources that supported the estuarine food web. N isotopic values of consumers spanned a broad range, from about 2.7 to 12.3‰. Mean δ15N of primary producers and organic matter varied from 3.3 for macroalgae to 4.7‰ for suspended particulate matter and large particulate matter. The δ13C consumer data varied between-26 and-9‰, but isotopic values of the major apparent producers or organic matter sampled could not account for this range variability. The structure of the food web was clarified when we added literature isotopic values of microphytobenthos and coralline algae, suggesting that these, or other producers with similar isotopic signature, may be part of the food webs.
Fil: Viana, Inés G.. Centro Oceanográfico de La Coruna; España. Marine Biological Laboratory; Estados Unidos
Fil: Valiela, Ivan. Marine Biological Laboratory; Estados Unidos
Fil: Martinetto, Paulina Maria del Rosario. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; Argentina
Fil: Monteiro Pierce, Rita. Marine Biological Laboratory; Estados Unidos
Fil: Fox, Sophia E.. National Park Service; Estados Unidos
Materia
CARBON
FOOD WEBS
MIXING MODELS
NITROGEN
SULFUR
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/100896

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spelling Isotopic studies in Pacific Panama mangrove estuaries reveal lack of effect of watershed deforestation on food websViana, Inés G.Valiela, IvanMartinetto, Paulina Maria del RosarioMonteiro Pierce, RitaFox, Sophia E.CARBONFOOD WEBSMIXING MODELSNITROGENSULFURhttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1Stable isotopic N, C, and S in food webs of 8 mangrove estuaries on the Pacific coast of Panama were measured to 1) determine whether the degree of deforestation of tropical forests on the contributing watersheds was detectable within the estuarine food web, and 2) define external sources of the food webs within the mangrove estuaries. Even though terrestrial rain forest cover on the contributing watersheds differed between 23 and 92%, the effect of deforestation was not detectable on stable isotopic values in food webs present at the mouth of the receiving estuaries. We used stable isotopic measures to identify producers or organic sources that supported the estuarine food web. N isotopic values of consumers spanned a broad range, from about 2.7 to 12.3‰. Mean δ15N of primary producers and organic matter varied from 3.3 for macroalgae to 4.7‰ for suspended particulate matter and large particulate matter. The δ13C consumer data varied between-26 and-9‰, but isotopic values of the major apparent producers or organic matter sampled could not account for this range variability. The structure of the food web was clarified when we added literature isotopic values of microphytobenthos and coralline algae, suggesting that these, or other producers with similar isotopic signature, may be part of the food webs.Fil: Viana, Inés G.. Centro Oceanográfico de La Coruna; España. Marine Biological Laboratory; Estados UnidosFil: Valiela, Ivan. Marine Biological Laboratory; Estados UnidosFil: Martinetto, Paulina Maria del Rosario. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; ArgentinaFil: Monteiro Pierce, Rita. Marine Biological Laboratory; Estados UnidosFil: Fox, Sophia E.. National Park Service; Estados UnidosElsevier2015-02info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/100896Viana, Inés G.; Valiela, Ivan; Martinetto, Paulina Maria del Rosario; Monteiro Pierce, Rita; Fox, Sophia E.; Isotopic studies in Pacific Panama mangrove estuaries reveal lack of effect of watershed deforestation on food webs; Elsevier; Marine Environmental Research; 103; 2-2015; 95-1020141-1136CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0141113614001731info:eu-repo/semantics/altIdentifier/doi/10.1016/j.marenvres.2014.10.003info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:58:49Zoai:ri.conicet.gov.ar:11336/100896instacron: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 09:58:49.336CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Isotopic studies in Pacific Panama mangrove estuaries reveal lack of effect of watershed deforestation on food webs
title Isotopic studies in Pacific Panama mangrove estuaries reveal lack of effect of watershed deforestation on food webs
spellingShingle Isotopic studies in Pacific Panama mangrove estuaries reveal lack of effect of watershed deforestation on food webs
Viana, Inés G.
CARBON
FOOD WEBS
MIXING MODELS
NITROGEN
SULFUR
title_short Isotopic studies in Pacific Panama mangrove estuaries reveal lack of effect of watershed deforestation on food webs
title_full Isotopic studies in Pacific Panama mangrove estuaries reveal lack of effect of watershed deforestation on food webs
title_fullStr Isotopic studies in Pacific Panama mangrove estuaries reveal lack of effect of watershed deforestation on food webs
title_full_unstemmed Isotopic studies in Pacific Panama mangrove estuaries reveal lack of effect of watershed deforestation on food webs
title_sort Isotopic studies in Pacific Panama mangrove estuaries reveal lack of effect of watershed deforestation on food webs
dc.creator.none.fl_str_mv Viana, Inés G.
Valiela, Ivan
Martinetto, Paulina Maria del Rosario
Monteiro Pierce, Rita
Fox, Sophia E.
author Viana, Inés G.
author_facet Viana, Inés G.
Valiela, Ivan
Martinetto, Paulina Maria del Rosario
Monteiro Pierce, Rita
Fox, Sophia E.
author_role author
author2 Valiela, Ivan
Martinetto, Paulina Maria del Rosario
Monteiro Pierce, Rita
Fox, Sophia E.
author2_role author
author
author
author
dc.subject.none.fl_str_mv CARBON
FOOD WEBS
MIXING MODELS
NITROGEN
SULFUR
topic CARBON
FOOD WEBS
MIXING MODELS
NITROGEN
SULFUR
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv Stable isotopic N, C, and S in food webs of 8 mangrove estuaries on the Pacific coast of Panama were measured to 1) determine whether the degree of deforestation of tropical forests on the contributing watersheds was detectable within the estuarine food web, and 2) define external sources of the food webs within the mangrove estuaries. Even though terrestrial rain forest cover on the contributing watersheds differed between 23 and 92%, the effect of deforestation was not detectable on stable isotopic values in food webs present at the mouth of the receiving estuaries. We used stable isotopic measures to identify producers or organic sources that supported the estuarine food web. N isotopic values of consumers spanned a broad range, from about 2.7 to 12.3‰. Mean δ15N of primary producers and organic matter varied from 3.3 for macroalgae to 4.7‰ for suspended particulate matter and large particulate matter. The δ13C consumer data varied between-26 and-9‰, but isotopic values of the major apparent producers or organic matter sampled could not account for this range variability. The structure of the food web was clarified when we added literature isotopic values of microphytobenthos and coralline algae, suggesting that these, or other producers with similar isotopic signature, may be part of the food webs.
Fil: Viana, Inés G.. Centro Oceanográfico de La Coruna; España. Marine Biological Laboratory; Estados Unidos
Fil: Valiela, Ivan. Marine Biological Laboratory; Estados Unidos
Fil: Martinetto, Paulina Maria del Rosario. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; Argentina
Fil: Monteiro Pierce, Rita. Marine Biological Laboratory; Estados Unidos
Fil: Fox, Sophia E.. National Park Service; Estados Unidos
description Stable isotopic N, C, and S in food webs of 8 mangrove estuaries on the Pacific coast of Panama were measured to 1) determine whether the degree of deforestation of tropical forests on the contributing watersheds was detectable within the estuarine food web, and 2) define external sources of the food webs within the mangrove estuaries. Even though terrestrial rain forest cover on the contributing watersheds differed between 23 and 92%, the effect of deforestation was not detectable on stable isotopic values in food webs present at the mouth of the receiving estuaries. We used stable isotopic measures to identify producers or organic sources that supported the estuarine food web. N isotopic values of consumers spanned a broad range, from about 2.7 to 12.3‰. Mean δ15N of primary producers and organic matter varied from 3.3 for macroalgae to 4.7‰ for suspended particulate matter and large particulate matter. The δ13C consumer data varied between-26 and-9‰, but isotopic values of the major apparent producers or organic matter sampled could not account for this range variability. The structure of the food web was clarified when we added literature isotopic values of microphytobenthos and coralline algae, suggesting that these, or other producers with similar isotopic signature, may be part of the food webs.
publishDate 2015
dc.date.none.fl_str_mv 2015-02
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/11336/100896
Viana, Inés G.; Valiela, Ivan; Martinetto, Paulina Maria del Rosario; Monteiro Pierce, Rita; Fox, Sophia E.; Isotopic studies in Pacific Panama mangrove estuaries reveal lack of effect of watershed deforestation on food webs; Elsevier; Marine Environmental Research; 103; 2-2015; 95-102
0141-1136
CONICET Digital
CONICET
url http://hdl.handle.net/11336/100896
identifier_str_mv Viana, Inés G.; Valiela, Ivan; Martinetto, Paulina Maria del Rosario; Monteiro Pierce, Rita; Fox, Sophia E.; Isotopic studies in Pacific Panama mangrove estuaries reveal lack of effect of watershed deforestation on food webs; Elsevier; Marine Environmental Research; 103; 2-2015; 95-102
0141-1136
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0141113614001731
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.marenvres.2014.10.003
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
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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