Breeding ecology of the gentoo penguin Pygoscelis papua at Kerguelen Archipelago
International audience The gentoo penguin (Pygoscelis papua) is one of the most widespread penguin species and has been proven to be highly plastic in many aspects of its ecology. However, data from their sub-Antarctic range suggest an unexplained decline of their populations over the last 10–20 yea...
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ftccsdartic:oai:HAL:hal-00527104v1 2024-02-11T09:59:00+01:00 Breeding ecology of the gentoo penguin Pygoscelis papua at Kerguelen Archipelago Lescroel, Amélie Bajzak, Catherine Bost, Charles-André Centre d'Études Biologiques de Chizé (CEBC) Centre National de la Recherche Scientifique (CNRS) 2009-06-16 https://hal.science/hal-00527104 https://doi.org/10.1007/s00300-009-0647-9 en eng HAL CCSD Springer Verlag info:eu-repo/semantics/altIdentifier/doi/10.1007/s00300-009-0647-9 hal-00527104 https://hal.science/hal-00527104 doi:10.1007/s00300-009-0647-9 ISSN: 0722-4060 EISSN: 1432-2056 Polar Biology https://hal.science/hal-00527104 Polar Biology, 2009, 32, pp.1495-1505. ⟨10.1007/s00300-009-0647-9⟩ Life-history traits Sub-Antarctic islands Breeding phenology Foraging Sex differences [SDE.BE]Environmental Sciences/Biodiversity and Ecology [SDE.ES]Environmental Sciences/Environment and Society info:eu-repo/semantics/article Journal articles 2009 ftccsdartic https://doi.org/10.1007/s00300-009-0647-9 2024-01-27T23:51:16Z International audience The gentoo penguin (Pygoscelis papua) is one of the most widespread penguin species and has been proven to be highly plastic in many aspects of its ecology. However, data from their sub-Antarctic range suggest an unexplained decline of their populations over the last 10–20 years, stressing the need for additional knowledge on their breeding ecology and demography. The present study provides insights into the breeding ecology of the gentoo penguin at a major breeding site, Kerguelen Archipelago, over three breeding seasons (1987, 2002 and 2003). Similarly to other northern populations, gentoo penguins breeding at Kerguelen exhibited winter laying, slow provisioning rate, slow growth rate associated with an extended rearing period and relatively low breeding success compared to southern populations. Our study also revealed interannual differences in the timing of laying and growth parameters as well as unusual sex differences in parental investment. Despite their high plasticity, there are indications that gentoo penguins at the northern edge of their range might work at the upper limit of their capacities. Sub-Antarctic populations would, therefore, be more sensitive to environmental changes than more southerly ones and need to be closely monitored. Article in Journal/Newspaper Antarc* Antarctic Gentoo penguin Polar Biology Pygoscelis papua Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) Antarctic Kerguelen Polar Biology 32 10 1495 1505 |
institution |
Open Polar |
collection |
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) |
op_collection_id |
ftccsdartic |
language |
English |
topic |
Life-history traits Sub-Antarctic islands Breeding phenology Foraging Sex differences [SDE.BE]Environmental Sciences/Biodiversity and Ecology [SDE.ES]Environmental Sciences/Environment and Society |
spellingShingle |
Life-history traits Sub-Antarctic islands Breeding phenology Foraging Sex differences [SDE.BE]Environmental Sciences/Biodiversity and Ecology [SDE.ES]Environmental Sciences/Environment and Society Lescroel, Amélie Bajzak, Catherine Bost, Charles-André Breeding ecology of the gentoo penguin Pygoscelis papua at Kerguelen Archipelago |
topic_facet |
Life-history traits Sub-Antarctic islands Breeding phenology Foraging Sex differences [SDE.BE]Environmental Sciences/Biodiversity and Ecology [SDE.ES]Environmental Sciences/Environment and Society |
description |
International audience The gentoo penguin (Pygoscelis papua) is one of the most widespread penguin species and has been proven to be highly plastic in many aspects of its ecology. However, data from their sub-Antarctic range suggest an unexplained decline of their populations over the last 10–20 years, stressing the need for additional knowledge on their breeding ecology and demography. The present study provides insights into the breeding ecology of the gentoo penguin at a major breeding site, Kerguelen Archipelago, over three breeding seasons (1987, 2002 and 2003). Similarly to other northern populations, gentoo penguins breeding at Kerguelen exhibited winter laying, slow provisioning rate, slow growth rate associated with an extended rearing period and relatively low breeding success compared to southern populations. Our study also revealed interannual differences in the timing of laying and growth parameters as well as unusual sex differences in parental investment. Despite their high plasticity, there are indications that gentoo penguins at the northern edge of their range might work at the upper limit of their capacities. Sub-Antarctic populations would, therefore, be more sensitive to environmental changes than more southerly ones and need to be closely monitored. |
author2 |
Centre d'Études Biologiques de Chizé (CEBC) Centre National de la Recherche Scientifique (CNRS) |
format |
Article in Journal/Newspaper |
author |
Lescroel, Amélie Bajzak, Catherine Bost, Charles-André |
author_facet |
Lescroel, Amélie Bajzak, Catherine Bost, Charles-André |
author_sort |
Lescroel, Amélie |
title |
Breeding ecology of the gentoo penguin Pygoscelis papua at Kerguelen Archipelago |
title_short |
Breeding ecology of the gentoo penguin Pygoscelis papua at Kerguelen Archipelago |
title_full |
Breeding ecology of the gentoo penguin Pygoscelis papua at Kerguelen Archipelago |
title_fullStr |
Breeding ecology of the gentoo penguin Pygoscelis papua at Kerguelen Archipelago |
title_full_unstemmed |
Breeding ecology of the gentoo penguin Pygoscelis papua at Kerguelen Archipelago |
title_sort |
breeding ecology of the gentoo penguin pygoscelis papua at kerguelen archipelago |
publisher |
HAL CCSD |
publishDate |
2009 |
url |
https://hal.science/hal-00527104 https://doi.org/10.1007/s00300-009-0647-9 |
geographic |
Antarctic Kerguelen |
geographic_facet |
Antarctic Kerguelen |
genre |
Antarc* Antarctic Gentoo penguin Polar Biology Pygoscelis papua |
genre_facet |
Antarc* Antarctic Gentoo penguin Polar Biology Pygoscelis papua |
op_source |
ISSN: 0722-4060 EISSN: 1432-2056 Polar Biology https://hal.science/hal-00527104 Polar Biology, 2009, 32, pp.1495-1505. ⟨10.1007/s00300-009-0647-9⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1007/s00300-009-0647-9 hal-00527104 https://hal.science/hal-00527104 doi:10.1007/s00300-009-0647-9 |
op_doi |
https://doi.org/10.1007/s00300-009-0647-9 |
container_title |
Polar Biology |
container_volume |
32 |
container_issue |
10 |
container_start_page |
1495 |
op_container_end_page |
1505 |
_version_ |
1790594879822233600 |