Ontogeny of aquatic behaviours in Antarctic fur seal (Arctocephalus gazella) pups in relation to growth performances at Kerguelen Islands
International audience In diving marine predators, such as pinnipeds, the development of diving and foraging skills prior to weaning might be critical to post-weaning survival. Here, we examined the effect of pup mass growth on the amount of time devoted to aquatic activities and the dive performanc...
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ftunivnantes:oai:HAL:hal-00574510v1 2023-05-15T14:04:46+02:00 Ontogeny of aquatic behaviours in Antarctic fur seal (Arctocephalus gazella) pups in relation to growth performances at Kerguelen Islands Gastebois, Caroline Viviant, Morgane Guinet, Christophe Centre d'Études Biologiques de Chizé (CEBC) Institut National de la Recherche Agronomique (INRA)-Centre National de la Recherche Scientifique (CNRS) 2011 https://hal.science/hal-00574510 https://doi.org/10.1007/s00300-011-0965-6 en eng HAL CCSD Springer Verlag info:eu-repo/semantics/altIdentifier/doi/10.1007/s00300-011-0965-6 hal-00574510 https://hal.science/hal-00574510 doi:10.1007/s00300-011-0965-6 ISSN: 0722-4060 EISSN: 1432-2056 Polar Biology https://hal.science/hal-00574510 Polar Biology, 2011, 34, pp.1097-1103. ⟨10.1007/s00300-011-0965-6⟩ Fur seal Pups Aquatic activity Growth rate Fasting Kerguelen [SDE]Environmental Sciences info:eu-repo/semantics/article Journal articles 2011 ftunivnantes https://doi.org/10.1007/s00300-011-0965-6 2023-02-08T00:47:07Z International audience In diving marine predators, such as pinnipeds, the development of diving and foraging skills prior to weaning might be critical to post-weaning survival. Here, we examined the effect of pup mass growth on the amount of time devoted to aquatic activities and the dive performance of Antarctic fur seal, Arctocephalus gazella, pups on Kerguelen Island. Maternal attendance and massspecific growth rate were assessed for 85 pups. Two types of monitoring were applied: visual observations of behaviours for 60 pups and the deployment of time-depth recorders (TDRs) on 19 female pups. At approximately 2 months of age, pups demonstrated minimal diving behaviour, but displayed considerable aquatic activity. While mothers were foraging at sea, pups fasted on land (6.0 ± 1.3 d). As the mass-specific growth rate was different between sexes, only data on female pups were analysed (n = 31). Mass-specific growth rate was related to maternal attendance patterns and impacted the amount of time allocated by pups to aquatic activities. The time spent in the water by pups was quadratically related to fasting progress. This study shows the importance of growth and fasting progress on the quantity of time pups devoted to aquatic activities. Our results suggest that greater postweaning survival of heavier pups may be due not only to their greater body reserves, as reported in several studies, but also possibly to from their greater aquatic skills and physiological adaptations developed during the suckling period. Article in Journal/Newspaper Antarc* Antarctic Antarctic Fur Seal Arctocephalus gazella Kerguelen Islands Polar Biology Université de Nantes: HAL-UNIV-NANTES Antarctic Kerguelen Kerguelen Islands Kerguelen Island ENVELOPE(69.500,69.500,-49.250,-49.250) Polar Biology 34 7 1097 1103 |
institution |
Open Polar |
collection |
Université de Nantes: HAL-UNIV-NANTES |
op_collection_id |
ftunivnantes |
language |
English |
topic |
Fur seal Pups Aquatic activity Growth rate Fasting Kerguelen [SDE]Environmental Sciences |
spellingShingle |
Fur seal Pups Aquatic activity Growth rate Fasting Kerguelen [SDE]Environmental Sciences Gastebois, Caroline Viviant, Morgane Guinet, Christophe Ontogeny of aquatic behaviours in Antarctic fur seal (Arctocephalus gazella) pups in relation to growth performances at Kerguelen Islands |
topic_facet |
Fur seal Pups Aquatic activity Growth rate Fasting Kerguelen [SDE]Environmental Sciences |
description |
International audience In diving marine predators, such as pinnipeds, the development of diving and foraging skills prior to weaning might be critical to post-weaning survival. Here, we examined the effect of pup mass growth on the amount of time devoted to aquatic activities and the dive performance of Antarctic fur seal, Arctocephalus gazella, pups on Kerguelen Island. Maternal attendance and massspecific growth rate were assessed for 85 pups. Two types of monitoring were applied: visual observations of behaviours for 60 pups and the deployment of time-depth recorders (TDRs) on 19 female pups. At approximately 2 months of age, pups demonstrated minimal diving behaviour, but displayed considerable aquatic activity. While mothers were foraging at sea, pups fasted on land (6.0 ± 1.3 d). As the mass-specific growth rate was different between sexes, only data on female pups were analysed (n = 31). Mass-specific growth rate was related to maternal attendance patterns and impacted the amount of time allocated by pups to aquatic activities. The time spent in the water by pups was quadratically related to fasting progress. This study shows the importance of growth and fasting progress on the quantity of time pups devoted to aquatic activities. Our results suggest that greater postweaning survival of heavier pups may be due not only to their greater body reserves, as reported in several studies, but also possibly to from their greater aquatic skills and physiological adaptations developed during the suckling period. |
author2 |
Centre d'Études Biologiques de Chizé (CEBC) Institut National de la Recherche Agronomique (INRA)-Centre National de la Recherche Scientifique (CNRS) |
format |
Article in Journal/Newspaper |
author |
Gastebois, Caroline Viviant, Morgane Guinet, Christophe |
author_facet |
Gastebois, Caroline Viviant, Morgane Guinet, Christophe |
author_sort |
Gastebois, Caroline |
title |
Ontogeny of aquatic behaviours in Antarctic fur seal (Arctocephalus gazella) pups in relation to growth performances at Kerguelen Islands |
title_short |
Ontogeny of aquatic behaviours in Antarctic fur seal (Arctocephalus gazella) pups in relation to growth performances at Kerguelen Islands |
title_full |
Ontogeny of aquatic behaviours in Antarctic fur seal (Arctocephalus gazella) pups in relation to growth performances at Kerguelen Islands |
title_fullStr |
Ontogeny of aquatic behaviours in Antarctic fur seal (Arctocephalus gazella) pups in relation to growth performances at Kerguelen Islands |
title_full_unstemmed |
Ontogeny of aquatic behaviours in Antarctic fur seal (Arctocephalus gazella) pups in relation to growth performances at Kerguelen Islands |
title_sort |
ontogeny of aquatic behaviours in antarctic fur seal (arctocephalus gazella) pups in relation to growth performances at kerguelen islands |
publisher |
HAL CCSD |
publishDate |
2011 |
url |
https://hal.science/hal-00574510 https://doi.org/10.1007/s00300-011-0965-6 |
long_lat |
ENVELOPE(69.500,69.500,-49.250,-49.250) |
geographic |
Antarctic Kerguelen Kerguelen Islands Kerguelen Island |
geographic_facet |
Antarctic Kerguelen Kerguelen Islands Kerguelen Island |
genre |
Antarc* Antarctic Antarctic Fur Seal Arctocephalus gazella Kerguelen Islands Polar Biology |
genre_facet |
Antarc* Antarctic Antarctic Fur Seal Arctocephalus gazella Kerguelen Islands Polar Biology |
op_source |
ISSN: 0722-4060 EISSN: 1432-2056 Polar Biology https://hal.science/hal-00574510 Polar Biology, 2011, 34, pp.1097-1103. ⟨10.1007/s00300-011-0965-6⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1007/s00300-011-0965-6 hal-00574510 https://hal.science/hal-00574510 doi:10.1007/s00300-011-0965-6 |
op_doi |
https://doi.org/10.1007/s00300-011-0965-6 |
container_title |
Polar Biology |
container_volume |
34 |
container_issue |
7 |
container_start_page |
1097 |
op_container_end_page |
1103 |
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1766276059204943872 |