Spatial and temporal variation in the diet of the gentoo penguin (Pygoscelis papua) at Kerguelen Islands
10 pages International audience Benthic divers are dependent on local resources and may therefore adopt different foraging strategies to cope with their energetic requirements in varying situations. We investigated the diet of gentoo penguins (Pygoscelis papua) at Kerguelen Islands, comparing its sp...
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ftunivnantes:oai:HAL:hal-00187021v1 2023-05-15T16:19:36+02:00 Spatial and temporal variation in the diet of the gentoo penguin (Pygoscelis papua) at Kerguelen Islands Lescroel, Amélie Ridoux, Vincent Bost, Charles-André Centre d'écologie et physiologie énergétiques (CEPE) Centre National de la Recherche Scientifique (CNRS) Centre de Recherche sur les Ecosystèmes Littoraux Anthropisés (CRELA) Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)-La Rochelle Université (ULR)-Centre National de la Recherche Scientifique (CNRS) 2004-01-14 https://hal.science/hal-00187021 https://doi.org/10.1007/s00300-003-0571-3 en eng HAL CCSD Springer Verlag info:eu-repo/semantics/altIdentifier/doi/10.1007/s00300-003-0571-3 hal-00187021 https://hal.science/hal-00187021 doi:10.1007/s00300-003-0571-3 ISSN: 0722-4060 EISSN: 1432-2056 Polar Biology https://hal.science/hal-00187021 Polar Biology, 2004, 27, pp.206-216. ⟨10.1007/s00300-003-0571-3⟩ [SDE.BE]Environmental Sciences/Biodiversity and Ecology [SDE.ES]Environmental Sciences/Environmental and Society [SDE.MCG]Environmental Sciences/Global Changes info:eu-repo/semantics/article Journal articles 2004 ftunivnantes https://doi.org/10.1007/s00300-003-0571-3 2023-02-08T08:23:48Z 10 pages International audience Benthic divers are dependent on local resources and may therefore adopt different foraging strategies to cope with their energetic requirements in varying situations. We investigated the diet of gentoo penguins (Pygoscelis papua) at Kerguelen Islands, comparing its spatial and temporal variations with the general prey distribution. The study was conducted at four sites over 2 years. In total, 212 stomach contents were collected over the entire breeding season. The diet was composed mainly of neritic fish and crustaceans, with important spatial and seasonal variations. Fish dominated the diet at localities facing the open sea (from 38.0% to 94.6% by mass), whereas crustaceans dominated at the more protected site (84.3% by mass). Fish were more abundant in the winter diet and Euphausia vallentini, the major crustacean species, was more abundant in the summer diet. No inter-year variations were detected. These results are consistent with local prey availability, and highlight the large plasticity of the gentoo penguin diet and foraging behaviour. Article in Journal/Newspaper Gentoo penguin Kerguelen Islands Polar Biology Pygoscelis papua Université de Nantes: HAL-UNIV-NANTES Kerguelen Kerguelen Islands Polar Biology 27 4 206 216 |
institution |
Open Polar |
collection |
Université de Nantes: HAL-UNIV-NANTES |
op_collection_id |
ftunivnantes |
language |
English |
topic |
[SDE.BE]Environmental Sciences/Biodiversity and Ecology [SDE.ES]Environmental Sciences/Environmental and Society [SDE.MCG]Environmental Sciences/Global Changes |
spellingShingle |
[SDE.BE]Environmental Sciences/Biodiversity and Ecology [SDE.ES]Environmental Sciences/Environmental and Society [SDE.MCG]Environmental Sciences/Global Changes Lescroel, Amélie Ridoux, Vincent Bost, Charles-André Spatial and temporal variation in the diet of the gentoo penguin (Pygoscelis papua) at Kerguelen Islands |
topic_facet |
[SDE.BE]Environmental Sciences/Biodiversity and Ecology [SDE.ES]Environmental Sciences/Environmental and Society [SDE.MCG]Environmental Sciences/Global Changes |
description |
10 pages International audience Benthic divers are dependent on local resources and may therefore adopt different foraging strategies to cope with their energetic requirements in varying situations. We investigated the diet of gentoo penguins (Pygoscelis papua) at Kerguelen Islands, comparing its spatial and temporal variations with the general prey distribution. The study was conducted at four sites over 2 years. In total, 212 stomach contents were collected over the entire breeding season. The diet was composed mainly of neritic fish and crustaceans, with important spatial and seasonal variations. Fish dominated the diet at localities facing the open sea (from 38.0% to 94.6% by mass), whereas crustaceans dominated at the more protected site (84.3% by mass). Fish were more abundant in the winter diet and Euphausia vallentini, the major crustacean species, was more abundant in the summer diet. No inter-year variations were detected. These results are consistent with local prey availability, and highlight the large plasticity of the gentoo penguin diet and foraging behaviour. |
author2 |
Centre d'écologie et physiologie énergétiques (CEPE) Centre National de la Recherche Scientifique (CNRS) Centre de Recherche sur les Ecosystèmes Littoraux Anthropisés (CRELA) Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)-La Rochelle Université (ULR)-Centre National de la Recherche Scientifique (CNRS) |
format |
Article in Journal/Newspaper |
author |
Lescroel, Amélie Ridoux, Vincent Bost, Charles-André |
author_facet |
Lescroel, Amélie Ridoux, Vincent Bost, Charles-André |
author_sort |
Lescroel, Amélie |
title |
Spatial and temporal variation in the diet of the gentoo penguin (Pygoscelis papua) at Kerguelen Islands |
title_short |
Spatial and temporal variation in the diet of the gentoo penguin (Pygoscelis papua) at Kerguelen Islands |
title_full |
Spatial and temporal variation in the diet of the gentoo penguin (Pygoscelis papua) at Kerguelen Islands |
title_fullStr |
Spatial and temporal variation in the diet of the gentoo penguin (Pygoscelis papua) at Kerguelen Islands |
title_full_unstemmed |
Spatial and temporal variation in the diet of the gentoo penguin (Pygoscelis papua) at Kerguelen Islands |
title_sort |
spatial and temporal variation in the diet of the gentoo penguin (pygoscelis papua) at kerguelen islands |
publisher |
HAL CCSD |
publishDate |
2004 |
url |
https://hal.science/hal-00187021 https://doi.org/10.1007/s00300-003-0571-3 |
geographic |
Kerguelen Kerguelen Islands |
geographic_facet |
Kerguelen Kerguelen Islands |
genre |
Gentoo penguin Kerguelen Islands Polar Biology Pygoscelis papua |
genre_facet |
Gentoo penguin Kerguelen Islands Polar Biology Pygoscelis papua |
op_source |
ISSN: 0722-4060 EISSN: 1432-2056 Polar Biology https://hal.science/hal-00187021 Polar Biology, 2004, 27, pp.206-216. ⟨10.1007/s00300-003-0571-3⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1007/s00300-003-0571-3 hal-00187021 https://hal.science/hal-00187021 doi:10.1007/s00300-003-0571-3 |
op_doi |
https://doi.org/10.1007/s00300-003-0571-3 |
container_title |
Polar Biology |
container_volume |
27 |
container_issue |
4 |
container_start_page |
206 |
op_container_end_page |
216 |
_version_ |
1766006011900985344 |