The diet of post-breeding Antarctic shags Phalacrocorax bransfieldensis at the Danco Coast, Antarctic Peninsula

Autores
Casaux, Ricardo Jorge; Baroni, A.; Ramón, A.; Bertolin, María Lila; Di Prinzio, Cecilia Yanina
Año de publicación
2009
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The diet of post-breeding Antarctic shags Phalacrocorax bransfieldensis was investigated at four colonies at the Danco Coast, Antarctic Peninsula, by the analysis of 399 pellets (regurgitated casts) collected during February and March 1998 and 2000. Overall, demersal-benthic fish were the most frequent and important prey at all the colonies sampled, followed by octopods and gastropods. Amongst the fish, Notothenia coriiceps and Gobionotothen gibberifrons were the main prey in all of the sampling sites in both seasons. The composition of the diet of post-breeding shags differed from that observed in the previous breeding season. Post-breeders preyed on the same fish species consumed by breeders, although in different proportions and on larger specimens. The information provided here differs from that reported for post-breeding individuals belonging to other shag species and also for post-breeding Antarctic shags. Our results, as well as the differences with previous studies, are discussed in relation to differences in prey availability among localities and to the use of alternative foraging grounds at the end of the breeding period.
Fil: Casaux, Ricardo Jorge. Ministerio de Relaciones Exteriores, Comercio Interno y Culto. Dirección Nacional del Antártico. Instituto Antártico Argentino; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Baroni, A.. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica; Argentina
Fil: Ramón, A.. Municipalidad de Esquel. Subsecretaría de Medioambiente; Argentina
Fil: Bertolin, María Lila. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Di Prinzio, Cecilia Yanina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Materia
ANTARCTICA
GOBBIONOTOTEN
NOTOTHENIA
POSTBREEDING
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:11336/96210
Acceder
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network_name_str CONICET Digital (CONICET)
spelling The diet of post-breeding Antarctic shags Phalacrocorax bransfieldensis at the Danco Coast, Antarctic PeninsulaCasaux, Ricardo JorgeBaroni, A.Ramón, A.Bertolin, María LilaDi Prinzio, Cecilia YaninaANTARCTICAGOBBIONOTOTENNOTOTHENIAPOSTBREEDINGhttps://purl.org/becyt/ford/1.6https://purl.org/becyt/ford/1The diet of post-breeding Antarctic shags Phalacrocorax bransfieldensis was investigated at four colonies at the Danco Coast, Antarctic Peninsula, by the analysis of 399 pellets (regurgitated casts) collected during February and March 1998 and 2000. Overall, demersal-benthic fish were the most frequent and important prey at all the colonies sampled, followed by octopods and gastropods. Amongst the fish, Notothenia coriiceps and Gobionotothen gibberifrons were the main prey in all of the sampling sites in both seasons. The composition of the diet of post-breeding shags differed from that observed in the previous breeding season. Post-breeders preyed on the same fish species consumed by breeders, although in different proportions and on larger specimens. The information provided here differs from that reported for post-breeding individuals belonging to other shag species and also for post-breeding Antarctic shags. Our results, as well as the differences with previous studies, are discussed in relation to differences in prey availability among localities and to the use of alternative foraging grounds at the end of the breeding period.Fil: Casaux, Ricardo Jorge. Ministerio de Relaciones Exteriores, Comercio Interno y Culto. Dirección Nacional del Antártico. Instituto Antártico Argentino; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Baroni, A.. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica; ArgentinaFil: Ramón, A.. Municipalidad de Esquel. Subsecretaría de Medioambiente; ArgentinaFil: Bertolin, María Lila. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Di Prinzio, Cecilia Yanina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaCambridge University Press2009-06info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/96210Casaux, Ricardo Jorge; Baroni, A.; Ramón, A.; Bertolin, María Lila; Di Prinzio, Cecilia Yanina; The diet of post-breeding Antarctic shags Phalacrocorax bransfieldensis at the Danco Coast, Antarctic Peninsula; Cambridge University Press; Antarctic Science; 21; 3; 6-2009; 221-2270954-1020CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.cambridge.org/core/journals/antarctic-science/article/diet-of-postbreeding-antarctic-shags-phalacrocorax-bransfieldensis-at-the-danco-coast-antarctic-peninsula/6391E4DDB4D97DFDCE131FC4120BCFB2info:eu-repo/semantics/altIdentifier/doi/10.1017/S0954102009001746info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-03T09:48:07Zoai:ri.conicet.gov.ar:11336/96210instacron: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:34982025-09-03 09:48:07.901CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv The diet of post-breeding Antarctic shags Phalacrocorax bransfieldensis at the Danco Coast, Antarctic Peninsula
title The diet of post-breeding Antarctic shags Phalacrocorax bransfieldensis at the Danco Coast, Antarctic Peninsula
spellingShingle The diet of post-breeding Antarctic shags Phalacrocorax bransfieldensis at the Danco Coast, Antarctic Peninsula
Casaux, Ricardo Jorge
ANTARCTICA
GOBBIONOTOTEN
NOTOTHENIA
POSTBREEDING
title_short The diet of post-breeding Antarctic shags Phalacrocorax bransfieldensis at the Danco Coast, Antarctic Peninsula
title_full The diet of post-breeding Antarctic shags Phalacrocorax bransfieldensis at the Danco Coast, Antarctic Peninsula
title_fullStr The diet of post-breeding Antarctic shags Phalacrocorax bransfieldensis at the Danco Coast, Antarctic Peninsula
title_full_unstemmed The diet of post-breeding Antarctic shags Phalacrocorax bransfieldensis at the Danco Coast, Antarctic Peninsula
title_sort The diet of post-breeding Antarctic shags Phalacrocorax bransfieldensis at the Danco Coast, Antarctic Peninsula
dc.creator.none.fl_str_mv Casaux, Ricardo Jorge
Baroni, A.
Ramón, A.
Bertolin, María Lila
Di Prinzio, Cecilia Yanina
author Casaux, Ricardo Jorge
author_facet Casaux, Ricardo Jorge
Baroni, A.
Ramón, A.
Bertolin, María Lila
Di Prinzio, Cecilia Yanina
author_role author
author2 Baroni, A.
Ramón, A.
Bertolin, María Lila
Di Prinzio, Cecilia Yanina
author2_role author
author
author
author
dc.subject.none.fl_str_mv ANTARCTICA
GOBBIONOTOTEN
NOTOTHENIA
POSTBREEDING
topic ANTARCTICA
GOBBIONOTOTEN
NOTOTHENIA
POSTBREEDING
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv The diet of post-breeding Antarctic shags Phalacrocorax bransfieldensis was investigated at four colonies at the Danco Coast, Antarctic Peninsula, by the analysis of 399 pellets (regurgitated casts) collected during February and March 1998 and 2000. Overall, demersal-benthic fish were the most frequent and important prey at all the colonies sampled, followed by octopods and gastropods. Amongst the fish, Notothenia coriiceps and Gobionotothen gibberifrons were the main prey in all of the sampling sites in both seasons. The composition of the diet of post-breeding shags differed from that observed in the previous breeding season. Post-breeders preyed on the same fish species consumed by breeders, although in different proportions and on larger specimens. The information provided here differs from that reported for post-breeding individuals belonging to other shag species and also for post-breeding Antarctic shags. Our results, as well as the differences with previous studies, are discussed in relation to differences in prey availability among localities and to the use of alternative foraging grounds at the end of the breeding period.
Fil: Casaux, Ricardo Jorge. Ministerio de Relaciones Exteriores, Comercio Interno y Culto. Dirección Nacional del Antártico. Instituto Antártico Argentino; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Baroni, A.. Universidad de Buenos Aires. Facultad de Farmacia y Bioquímica; Argentina
Fil: Ramón, A.. Municipalidad de Esquel. Subsecretaría de Medioambiente; Argentina
Fil: Bertolin, María Lila. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Di Prinzio, Cecilia Yanina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
description The diet of post-breeding Antarctic shags Phalacrocorax bransfieldensis was investigated at four colonies at the Danco Coast, Antarctic Peninsula, by the analysis of 399 pellets (regurgitated casts) collected during February and March 1998 and 2000. Overall, demersal-benthic fish were the most frequent and important prey at all the colonies sampled, followed by octopods and gastropods. Amongst the fish, Notothenia coriiceps and Gobionotothen gibberifrons were the main prey in all of the sampling sites in both seasons. The composition of the diet of post-breeding shags differed from that observed in the previous breeding season. Post-breeders preyed on the same fish species consumed by breeders, although in different proportions and on larger specimens. The information provided here differs from that reported for post-breeding individuals belonging to other shag species and also for post-breeding Antarctic shags. Our results, as well as the differences with previous studies, are discussed in relation to differences in prey availability among localities and to the use of alternative foraging grounds at the end of the breeding period.
publishDate 2009
dc.date.none.fl_str_mv 2009-06
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/11336/96210
Casaux, Ricardo Jorge; Baroni, A.; Ramón, A.; Bertolin, María Lila; Di Prinzio, Cecilia Yanina; The diet of post-breeding Antarctic shags Phalacrocorax bransfieldensis at the Danco Coast, Antarctic Peninsula; Cambridge University Press; Antarctic Science; 21; 3; 6-2009; 221-227
0954-1020
CONICET Digital
CONICET
url http://hdl.handle.net/11336/96210
identifier_str_mv Casaux, Ricardo Jorge; Baroni, A.; Ramón, A.; Bertolin, María Lila; Di Prinzio, Cecilia Yanina; The diet of post-breeding Antarctic shags Phalacrocorax bransfieldensis at the Danco Coast, Antarctic Peninsula; Cambridge University Press; Antarctic Science; 21; 3; 6-2009; 221-227
0954-1020
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.cambridge.org/core/journals/antarctic-science/article/diet-of-postbreeding-antarctic-shags-phalacrocorax-bransfieldensis-at-the-danco-coast-antarctic-peninsula/6391E4DDB4D97DFDCE131FC4120BCFB2
info:eu-repo/semantics/altIdentifier/doi/10.1017/S0954102009001746
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
dc.publisher.none.fl_str_mv Cambridge University Press
publisher.none.fl_str_mv Cambridge University Press
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_ 1842268904523563008
score 13.13397

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