Diet of lactating South American sea lions, as inferred from stable isotopes, influences pup growth

Autores
Drago, Massimiliano; Cardona, Luis; Aguilar, Alex; Crespo, Enrique Alberto; Ameghino, Santiago Pedro; Garcia, Nestor Anibal
Año de publicación
2010
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Serum and blood cell δ13C and δ15N signals from 26 suckling pups of the South American sea lion from northern Patagonia were used as proxies of the composition of their mothers' diet to test the hypothesis that the foraging habits of the mother influence pup growth. Samples of primary producers and the female potential prey were analyzed to establish baseline isotopic values and to determine energy density. Pups were weighed to determine specific growth rate. Individual variability in female diet was large, probably as a consequence of dissimilarities in the foraging performance that depends on the individual's age, body size, and/or foraging skills. Growth of a pup was influenced by its mother's diet, as pups of females mostly relying on pelagic offshore prey were found to grow faster than those of females basing their diet on benthic coastal prey.
Fil: Drago, Massimiliano. Universidad de Barcelona; España
Fil: Cardona, Luis. Universidad de Barcelona; España
Fil: Aguilar, Alex. Universidad de Barcelona; España
Fil: Crespo, Enrique Alberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Nacional Patagónico; Argentina
Fil: Ameghino, Santiago Pedro. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Nacional Patagónico; Argentina
Fil: Garcia, Nestor Anibal. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Nacional Patagónico; Argentina
Materia
DIET
GROWTH RATE
LACTATING FEMALES
OTARIA FLAVESCENS
SOUTH AMERICAN SEA LION
STABLE ISOTOPES.
SUCKLING PUP
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:11336/96792
Acceder
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network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Diet of lactating South American sea lions, as inferred from stable isotopes, influences pup growthDrago, MassimilianoCardona, LuisAguilar, AlexCrespo, Enrique AlbertoAmeghino, Santiago PedroGarcia, Nestor AnibalDIETGROWTH RATELACTATING FEMALESOTARIA FLAVESCENSSOUTH AMERICAN SEA LIONSTABLE ISOTOPES.SUCKLING PUPhttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1Serum and blood cell δ13C and δ15N signals from 26 suckling pups of the South American sea lion from northern Patagonia were used as proxies of the composition of their mothers' diet to test the hypothesis that the foraging habits of the mother influence pup growth. Samples of primary producers and the female potential prey were analyzed to establish baseline isotopic values and to determine energy density. Pups were weighed to determine specific growth rate. Individual variability in female diet was large, probably as a consequence of dissimilarities in the foraging performance that depends on the individual's age, body size, and/or foraging skills. Growth of a pup was influenced by its mother's diet, as pups of females mostly relying on pelagic offshore prey were found to grow faster than those of females basing their diet on benthic coastal prey.Fil: Drago, Massimiliano. Universidad de Barcelona; EspañaFil: Cardona, Luis. Universidad de Barcelona; EspañaFil: Aguilar, Alex. Universidad de Barcelona; EspañaFil: Crespo, Enrique Alberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Nacional Patagónico; ArgentinaFil: Ameghino, Santiago Pedro. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Nacional Patagónico; ArgentinaFil: Garcia, Nestor Anibal. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Nacional Patagónico; ArgentinaWiley Blackwell Publishing, Inc2010-04info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/96792Drago, Massimiliano; Cardona, Luis; Aguilar, Alex; Crespo, Enrique Alberto; Ameghino, Santiago Pedro; et al.; Diet of lactating South American sea lions, as inferred from stable isotopes, influences pup growth; Wiley Blackwell Publishing, Inc; Marine Mammal Science; 26; 2; 4-2010; 309-3230824-0469CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1111/j.1748-7692.2009.00321.xinfo:eu-repo/semantics/altIdentifier/url/https://onlinelibrary.wiley.com/doi/full/10.1111/j.1748-7692.2009.00321.xinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-15T15:21:15Zoai:ri.conicet.gov.ar:11336/96792instacron: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 15:21:15.71CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Diet of lactating South American sea lions, as inferred from stable isotopes, influences pup growth
title Diet of lactating South American sea lions, as inferred from stable isotopes, influences pup growth
spellingShingle Diet of lactating South American sea lions, as inferred from stable isotopes, influences pup growth
Drago, Massimiliano
DIET
GROWTH RATE
LACTATING FEMALES
OTARIA FLAVESCENS
SOUTH AMERICAN SEA LION
STABLE ISOTOPES.
SUCKLING PUP
title_short Diet of lactating South American sea lions, as inferred from stable isotopes, influences pup growth
title_full Diet of lactating South American sea lions, as inferred from stable isotopes, influences pup growth
title_fullStr Diet of lactating South American sea lions, as inferred from stable isotopes, influences pup growth
title_full_unstemmed Diet of lactating South American sea lions, as inferred from stable isotopes, influences pup growth
title_sort Diet of lactating South American sea lions, as inferred from stable isotopes, influences pup growth
dc.creator.none.fl_str_mv Drago, Massimiliano
Cardona, Luis
Aguilar, Alex
Crespo, Enrique Alberto
Ameghino, Santiago Pedro
Garcia, Nestor Anibal
author Drago, Massimiliano
author_facet Drago, Massimiliano
Cardona, Luis
Aguilar, Alex
Crespo, Enrique Alberto
Ameghino, Santiago Pedro
Garcia, Nestor Anibal
author_role author
author2 Cardona, Luis
Aguilar, Alex
Crespo, Enrique Alberto
Ameghino, Santiago Pedro
Garcia, Nestor Anibal
author2_role author
author
author
author
author
dc.subject.none.fl_str_mv DIET
GROWTH RATE
LACTATING FEMALES
OTARIA FLAVESCENS
SOUTH AMERICAN SEA LION
STABLE ISOTOPES.
SUCKLING PUP
topic DIET
GROWTH RATE
LACTATING FEMALES
OTARIA FLAVESCENS
SOUTH AMERICAN SEA LION
STABLE ISOTOPES.
SUCKLING PUP
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv Serum and blood cell δ13C and δ15N signals from 26 suckling pups of the South American sea lion from northern Patagonia were used as proxies of the composition of their mothers' diet to test the hypothesis that the foraging habits of the mother influence pup growth. Samples of primary producers and the female potential prey were analyzed to establish baseline isotopic values and to determine energy density. Pups were weighed to determine specific growth rate. Individual variability in female diet was large, probably as a consequence of dissimilarities in the foraging performance that depends on the individual's age, body size, and/or foraging skills. Growth of a pup was influenced by its mother's diet, as pups of females mostly relying on pelagic offshore prey were found to grow faster than those of females basing their diet on benthic coastal prey.
Fil: Drago, Massimiliano. Universidad de Barcelona; España
Fil: Cardona, Luis. Universidad de Barcelona; España
Fil: Aguilar, Alex. Universidad de Barcelona; España
Fil: Crespo, Enrique Alberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Nacional Patagónico; Argentina
Fil: Ameghino, Santiago Pedro. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Nacional Patagónico; Argentina
Fil: Garcia, Nestor Anibal. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Nacional Patagónico; Argentina
description Serum and blood cell δ13C and δ15N signals from 26 suckling pups of the South American sea lion from northern Patagonia were used as proxies of the composition of their mothers' diet to test the hypothesis that the foraging habits of the mother influence pup growth. Samples of primary producers and the female potential prey were analyzed to establish baseline isotopic values and to determine energy density. Pups were weighed to determine specific growth rate. Individual variability in female diet was large, probably as a consequence of dissimilarities in the foraging performance that depends on the individual's age, body size, and/or foraging skills. Growth of a pup was influenced by its mother's diet, as pups of females mostly relying on pelagic offshore prey were found to grow faster than those of females basing their diet on benthic coastal prey.
publishDate 2010
dc.date.none.fl_str_mv 2010-04
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/11336/96792
Drago, Massimiliano; Cardona, Luis; Aguilar, Alex; Crespo, Enrique Alberto; Ameghino, Santiago Pedro; et al.; Diet of lactating South American sea lions, as inferred from stable isotopes, influences pup growth; Wiley Blackwell Publishing, Inc; Marine Mammal Science; 26; 2; 4-2010; 309-323
0824-0469
CONICET Digital
CONICET
url http://hdl.handle.net/11336/96792
identifier_str_mv Drago, Massimiliano; Cardona, Luis; Aguilar, Alex; Crespo, Enrique Alberto; Ameghino, Santiago Pedro; et al.; Diet of lactating South American sea lions, as inferred from stable isotopes, influences pup growth; Wiley Blackwell Publishing, Inc; Marine Mammal Science; 26; 2; 4-2010; 309-323
0824-0469
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.1111/j.1748-7692.2009.00321.x
info:eu-repo/semantics/altIdentifier/url/https://onlinelibrary.wiley.com/doi/full/10.1111/j.1748-7692.2009.00321.x
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
dc.publisher.none.fl_str_mv Wiley Blackwell Publishing, Inc
publisher.none.fl_str_mv Wiley Blackwell Publishing, Inc
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
_version_ 1846083361261486080
score 13.22299

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