Stable isotope analysis of trophic structure, energy flow and spatial variability in a large ultraoligotrophic lake in Northwest Patagonia

Autores
Arcagni, Marina; Rizzo, Andrea Paula; Campbell, Linda M.; Arribere, Maria Angelica; Juncos, Romina; Reissig, Mariana; Kyser, Kurt; Barriga, Juan Pablo; Battini, Miguel Ángel; Ribeiro, Sergio
Año de publicación
2015
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The food web structure of the largest lake in northwest Patagonia, Lake Nahuel Huapi (area 557km2), was investigated. Fish, benthic macroinvertebrates, plankton and primary producers were analyzed for stable nitrogen (δ15N) and carbon (δ13C) isotopes in three sites with contrasting morphometry and environmental characteristics. δ15N and δ13C revealed a similar food web structure between basins but with distinct isotopic baselines. The SIAR (Stable Isotope Analysis in R) mixing model was used to study potential food sources (benthic or pelagic) for adult fish. Results indicated that energy flow to fish from both habitats is different for each site and species, and does not depend on the basin morphometry. An ontogenetic shift in the carbon source and trophic level was observed in some of the fish species, revealing a coupling between the pelagic and bentho-littoral habitats of the lake. Our findings complement the existing literature on trophic interactions between introduced and native fish, and provide novel information on plankton composition, food web structure and energy flow in a large lake of North Patagonia that can be extrapolated to other understudied lakes in the area.
Fil: Arcagni, Marina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina
Fil: Rizzo, Andrea Paula. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina
Fil: Campbell, Linda M.. Saint Mary's University; Canadá
Fil: Arribere, Maria Angelica. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina
Fil: Juncos, Romina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina
Fil: Reissig, Mariana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigaciones en Biodiversidad y Medioambiente. Universidad Nacional del Comahue. Centro Regional Universidad Bariloche. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina
Fil: Kyser, Kurt. Queen's University; Canadá
Fil: Barriga, Juan Pablo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigaciones en Biodiversidad y Medioambiente. Universidad Nacional del Comahue. Centro Regional Universidad Bariloche. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina
Fil: Battini, Miguel Ángel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigaciones en Biodiversidad y Medioambiente. Universidad Nacional del Comahue. Centro Regional Universidad Bariloche. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina
Fil: Ribeiro, Sergio. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina
Materia
Mixing Model
Patagonia
Stable Isotope Analysis
Trophic Relationships
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:11336/61881

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network_name_str CONICET Digital (CONICET)
spelling Stable isotope analysis of trophic structure, energy flow and spatial variability in a large ultraoligotrophic lake in Northwest PatagoniaArcagni, MarinaRizzo, Andrea PaulaCampbell, Linda M.Arribere, Maria AngelicaJuncos, RominaReissig, MarianaKyser, KurtBarriga, Juan PabloBattini, Miguel ÁngelRibeiro, SergioMixing ModelPatagoniaStable Isotope AnalysisTrophic Relationshipshttps://purl.org/becyt/ford/1.5https://purl.org/becyt/ford/1The food web structure of the largest lake in northwest Patagonia, Lake Nahuel Huapi (area 557km2), was investigated. Fish, benthic macroinvertebrates, plankton and primary producers were analyzed for stable nitrogen (δ15N) and carbon (δ13C) isotopes in three sites with contrasting morphometry and environmental characteristics. δ15N and δ13C revealed a similar food web structure between basins but with distinct isotopic baselines. The SIAR (Stable Isotope Analysis in R) mixing model was used to study potential food sources (benthic or pelagic) for adult fish. Results indicated that energy flow to fish from both habitats is different for each site and species, and does not depend on the basin morphometry. An ontogenetic shift in the carbon source and trophic level was observed in some of the fish species, revealing a coupling between the pelagic and bentho-littoral habitats of the lake. Our findings complement the existing literature on trophic interactions between introduced and native fish, and provide novel information on plankton composition, food web structure and energy flow in a large lake of North Patagonia that can be extrapolated to other understudied lakes in the area.Fil: Arcagni, Marina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; ArgentinaFil: Rizzo, Andrea Paula. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; ArgentinaFil: Campbell, Linda M.. Saint Mary's University; CanadáFil: Arribere, Maria Angelica. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; ArgentinaFil: Juncos, Romina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; ArgentinaFil: Reissig, Mariana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigaciones en Biodiversidad y Medioambiente. Universidad Nacional del Comahue. Centro Regional Universidad Bariloche. Instituto de Investigaciones en Biodiversidad y Medioambiente; ArgentinaFil: Kyser, Kurt. Queen's University; CanadáFil: Barriga, Juan Pablo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigaciones en Biodiversidad y Medioambiente. Universidad Nacional del Comahue. Centro Regional Universidad Bariloche. Instituto de Investigaciones en Biodiversidad y Medioambiente; ArgentinaFil: Battini, Miguel Ángel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigaciones en Biodiversidad y Medioambiente. Universidad Nacional del Comahue. Centro Regional Universidad Bariloche. Instituto de Investigaciones en Biodiversidad y Medioambiente; ArgentinaFil: Ribeiro, Sergio. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; ArgentinaElsevier2015-09info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/61881Arcagni, Marina; Rizzo, Andrea Paula; Campbell, Linda M.; Arribere, Maria Angelica; Juncos, Romina; et al.; Stable isotope analysis of trophic structure, energy flow and spatial variability in a large ultraoligotrophic lake in Northwest Patagonia; Elsevier; Journal Of Great Lakes Research; 41; 3; 9-2015; 916-9250380-1330CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0380133015001173info:eu-repo/semantics/altIdentifier/doi/10.1016/j.jglr.2015.05.008info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-15T15:45:18Zoai:ri.conicet.gov.ar:11336/61881instacron: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:34982025-10-15 15:45:19.252CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Stable isotope analysis of trophic structure, energy flow and spatial variability in a large ultraoligotrophic lake in Northwest Patagonia
title Stable isotope analysis of trophic structure, energy flow and spatial variability in a large ultraoligotrophic lake in Northwest Patagonia
spellingShingle Stable isotope analysis of trophic structure, energy flow and spatial variability in a large ultraoligotrophic lake in Northwest Patagonia
Arcagni, Marina
Mixing Model
Patagonia
Stable Isotope Analysis
Trophic Relationships
title_short Stable isotope analysis of trophic structure, energy flow and spatial variability in a large ultraoligotrophic lake in Northwest Patagonia
title_full Stable isotope analysis of trophic structure, energy flow and spatial variability in a large ultraoligotrophic lake in Northwest Patagonia
title_fullStr Stable isotope analysis of trophic structure, energy flow and spatial variability in a large ultraoligotrophic lake in Northwest Patagonia
title_full_unstemmed Stable isotope analysis of trophic structure, energy flow and spatial variability in a large ultraoligotrophic lake in Northwest Patagonia
title_sort Stable isotope analysis of trophic structure, energy flow and spatial variability in a large ultraoligotrophic lake in Northwest Patagonia
dc.creator.none.fl_str_mv Arcagni, Marina
Rizzo, Andrea Paula
Campbell, Linda M.
Arribere, Maria Angelica
Juncos, Romina
Reissig, Mariana
Kyser, Kurt
Barriga, Juan Pablo
Battini, Miguel Ángel
Ribeiro, Sergio
author Arcagni, Marina
author_facet Arcagni, Marina
Rizzo, Andrea Paula
Campbell, Linda M.
Arribere, Maria Angelica
Juncos, Romina
Reissig, Mariana
Kyser, Kurt
Barriga, Juan Pablo
Battini, Miguel Ángel
Ribeiro, Sergio
author_role author
author2 Rizzo, Andrea Paula
Campbell, Linda M.
Arribere, Maria Angelica
Juncos, Romina
Reissig, Mariana
Kyser, Kurt
Barriga, Juan Pablo
Battini, Miguel Ángel
Ribeiro, Sergio
author2_role author
author
author
author
author
author
author
author
author
dc.subject.none.fl_str_mv Mixing Model
Patagonia
Stable Isotope Analysis
Trophic Relationships
topic Mixing Model
Patagonia
Stable Isotope Analysis
Trophic Relationships
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.5
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv The food web structure of the largest lake in northwest Patagonia, Lake Nahuel Huapi (area 557km2), was investigated. Fish, benthic macroinvertebrates, plankton and primary producers were analyzed for stable nitrogen (δ15N) and carbon (δ13C) isotopes in three sites with contrasting morphometry and environmental characteristics. δ15N and δ13C revealed a similar food web structure between basins but with distinct isotopic baselines. The SIAR (Stable Isotope Analysis in R) mixing model was used to study potential food sources (benthic or pelagic) for adult fish. Results indicated that energy flow to fish from both habitats is different for each site and species, and does not depend on the basin morphometry. An ontogenetic shift in the carbon source and trophic level was observed in some of the fish species, revealing a coupling between the pelagic and bentho-littoral habitats of the lake. Our findings complement the existing literature on trophic interactions between introduced and native fish, and provide novel information on plankton composition, food web structure and energy flow in a large lake of North Patagonia that can be extrapolated to other understudied lakes in the area.
Fil: Arcagni, Marina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina
Fil: Rizzo, Andrea Paula. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina
Fil: Campbell, Linda M.. Saint Mary's University; Canadá
Fil: Arribere, Maria Angelica. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina
Fil: Juncos, Romina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte; Argentina. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina
Fil: Reissig, Mariana. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigaciones en Biodiversidad y Medioambiente. Universidad Nacional del Comahue. Centro Regional Universidad Bariloche. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina
Fil: Kyser, Kurt. Queen's University; Canadá
Fil: Barriga, Juan Pablo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigaciones en Biodiversidad y Medioambiente. Universidad Nacional del Comahue. Centro Regional Universidad Bariloche. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina
Fil: Battini, Miguel Ángel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Patagonia Norte. Instituto de Investigaciones en Biodiversidad y Medioambiente. Universidad Nacional del Comahue. Centro Regional Universidad Bariloche. Instituto de Investigaciones en Biodiversidad y Medioambiente; Argentina
Fil: Ribeiro, Sergio. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina
description The food web structure of the largest lake in northwest Patagonia, Lake Nahuel Huapi (area 557km2), was investigated. Fish, benthic macroinvertebrates, plankton and primary producers were analyzed for stable nitrogen (δ15N) and carbon (δ13C) isotopes in three sites with contrasting morphometry and environmental characteristics. δ15N and δ13C revealed a similar food web structure between basins but with distinct isotopic baselines. The SIAR (Stable Isotope Analysis in R) mixing model was used to study potential food sources (benthic or pelagic) for adult fish. Results indicated that energy flow to fish from both habitats is different for each site and species, and does not depend on the basin morphometry. An ontogenetic shift in the carbon source and trophic level was observed in some of the fish species, revealing a coupling between the pelagic and bentho-littoral habitats of the lake. Our findings complement the existing literature on trophic interactions between introduced and native fish, and provide novel information on plankton composition, food web structure and energy flow in a large lake of North Patagonia that can be extrapolated to other understudied lakes in the area.
publishDate 2015
dc.date.none.fl_str_mv 2015-09
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/11336/61881
Arcagni, Marina; Rizzo, Andrea Paula; Campbell, Linda M.; Arribere, Maria Angelica; Juncos, Romina; et al.; Stable isotope analysis of trophic structure, energy flow and spatial variability in a large ultraoligotrophic lake in Northwest Patagonia; Elsevier; Journal Of Great Lakes Research; 41; 3; 9-2015; 916-925
0380-1330
CONICET Digital
CONICET
url http://hdl.handle.net/11336/61881
identifier_str_mv Arcagni, Marina; Rizzo, Andrea Paula; Campbell, Linda M.; Arribere, Maria Angelica; Juncos, Romina; et al.; Stable isotope analysis of trophic structure, energy flow and spatial variability in a large ultraoligotrophic lake in Northwest Patagonia; Elsevier; Journal Of Great Lakes Research; 41; 3; 9-2015; 916-925
0380-1330
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0380133015001173
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.jglr.2015.05.008
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
application/pdf
application/pdf
application/pdf
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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