Southern Ocean investigated by elephant seals from Kerguelen Islands: movements and diving behaviour related to areas prospected
The behaviour of southern elephant seals from Kerguelen Island (49ring operator50′S, 70ring operator30′E) was investigated in relation to the oceanographic regions of the Southern Ocean. The oceanographic and the seal behaviour data, including location and diving activity, were collected using a new...
Published in: | Deep Sea Research Part II: Topical Studies in Oceanography |
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Main Authors: | , , , , , , |
Other Authors: | , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
HAL CCSD
2007
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Subjects: | |
Online Access: | https://hal.archives-ouvertes.fr/hal-00164996 https://doi.org/10.1016/j.dsr2.2006.11.005 |
id |
ftccsdartic:oai:HAL:hal-00164996v1 |
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record_format |
openpolar |
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 |
Benthic environment Temperature profiles Marine ecology Pelagic environment Diving Behaviour Mirounga leonina [PHYS.PHYS.PHYS-GEO-PH]Physics [physics]/Physics [physics]/Geophysics [physics.geo-ph] [SDU.STU.GP]Sciences of the Universe [physics]/Earth Sciences/Geophysics [physics.geo-ph] [SDE.MCG]Environmental Sciences/Global Changes |
spellingShingle |
Benthic environment Temperature profiles Marine ecology Pelagic environment Diving Behaviour Mirounga leonina [PHYS.PHYS.PHYS-GEO-PH]Physics [physics]/Physics [physics]/Geophysics [physics.geo-ph] [SDU.STU.GP]Sciences of the Universe [physics]/Earth Sciences/Geophysics [physics.geo-ph] [SDE.MCG]Environmental Sciences/Global Changes Bailleul, Frédéric Charrassin, Jean-Benoît Ezraty, Robert Girard-Ardhuin, Fanny Mcmahon, Clive R. Field, Iain C. Guinet, Christophe Southern Ocean investigated by elephant seals from Kerguelen Islands: movements and diving behaviour related to areas prospected |
topic_facet |
Benthic environment Temperature profiles Marine ecology Pelagic environment Diving Behaviour Mirounga leonina [PHYS.PHYS.PHYS-GEO-PH]Physics [physics]/Physics [physics]/Geophysics [physics.geo-ph] [SDU.STU.GP]Sciences of the Universe [physics]/Earth Sciences/Geophysics [physics.geo-ph] [SDE.MCG]Environmental Sciences/Global Changes |
description |
The behaviour of southern elephant seals from Kerguelen Island (49ring operator50′S, 70ring operator30′E) was investigated in relation to the oceanographic regions of the Southern Ocean. The oceanographic and the seal behaviour data, including location and diving activity, were collected using a new generation of satellite-relayed devices measuring and transmitting pressure, temperature, and salinity along with locations. Dive duration, maximum diving depth, time spent at the bottom of the dives, and shape of dive profiles were compared between male and female seals, and were related to the oceanographic characteristics of areas prospected by the seals. Most animals travelled to the Antarctic shelf. However, during winter, adult females travelled away from the continent, remained and foraged within the marginal sea-ice zone, while juvenile males remained within the pack ice to forage mainly on the Antarctic shelf. Therefore, as the ice expanded females appeared to shift from benthic to pelagic foraging farther north, while males continued to forage almost exclusively benthically on the continental shelf. This difference is likely related to the different energetic requirements between the two sexes, but also may be related to pregnant females having to return to Kerguelen in early spring in order to give birth and successfully raise their pups, while males can remain in the ice. Our results show an important link between elephant seals and Antarctic sea ice and suggest that changes in sea-ice conditions could strongly affect the behaviour of this species. |
author2 |
Centre d'Études Biologiques de Chizé - UMR 7372 (CEBC) Université de La Rochelle (ULR)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE) Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques (LOCEAN) Institut de Recherche pour le Développement (IRD)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Muséum national d'Histoire naturelle (MNHN)-Institut Pierre-Simon-Laplace (IPSL (FR_636)) École normale supérieure - Paris (ENS Paris) Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris Diderot - Paris 7 (UPD7)-École polytechnique (X)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-École normale supérieure - Paris (ENS Paris) Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Diderot - Paris 7 (UPD7)-École polytechnique (X)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS) |
format |
Article in Journal/Newspaper |
author |
Bailleul, Frédéric Charrassin, Jean-Benoît Ezraty, Robert Girard-Ardhuin, Fanny Mcmahon, Clive R. Field, Iain C. Guinet, Christophe |
author_facet |
Bailleul, Frédéric Charrassin, Jean-Benoît Ezraty, Robert Girard-Ardhuin, Fanny Mcmahon, Clive R. Field, Iain C. Guinet, Christophe |
author_sort |
Bailleul, Frédéric |
title |
Southern Ocean investigated by elephant seals from Kerguelen Islands: movements and diving behaviour related to areas prospected |
title_short |
Southern Ocean investigated by elephant seals from Kerguelen Islands: movements and diving behaviour related to areas prospected |
title_full |
Southern Ocean investigated by elephant seals from Kerguelen Islands: movements and diving behaviour related to areas prospected |
title_fullStr |
Southern Ocean investigated by elephant seals from Kerguelen Islands: movements and diving behaviour related to areas prospected |
title_full_unstemmed |
Southern Ocean investigated by elephant seals from Kerguelen Islands: movements and diving behaviour related to areas prospected |
title_sort |
southern ocean investigated by elephant seals from kerguelen islands: movements and diving behaviour related to areas prospected |
publisher |
HAL CCSD |
publishDate |
2007 |
url |
https://hal.archives-ouvertes.fr/hal-00164996 https://doi.org/10.1016/j.dsr2.2006.11.005 |
long_lat |
ENVELOPE(69.500,69.500,-49.250,-49.250) |
geographic |
Antarctic Southern Ocean The Antarctic Kerguelen Kerguelen Islands Kerguelen Island |
geographic_facet |
Antarctic Southern Ocean The Antarctic Kerguelen Kerguelen Islands Kerguelen Island |
genre |
Antarc* Antarctic Elephant Seals Kerguelen Islands Mirounga leonina Sea ice Southern Elephant Seals Southern Ocean |
genre_facet |
Antarc* Antarctic Elephant Seals Kerguelen Islands Mirounga leonina Sea ice Southern Elephant Seals Southern Ocean |
op_source |
ISSN: 0967-0645 Deep Sea Research Part II: Topical Studies in Oceanography https://hal.archives-ouvertes.fr/hal-00164996 Deep Sea Research Part II: Topical Studies in Oceanography, Elsevier, 2007, 54 (3-4), pp.343-355. ⟨10.1016/j.dsr2.2006.11.005⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.dsr2.2006.11.005 hal-00164996 https://hal.archives-ouvertes.fr/hal-00164996 doi:10.1016/j.dsr2.2006.11.005 |
op_doi |
https://doi.org/10.1016/j.dsr2.2006.11.005 |
container_title |
Deep Sea Research Part II: Topical Studies in Oceanography |
container_volume |
54 |
container_issue |
3-4 |
container_start_page |
343 |
op_container_end_page |
355 |
_version_ |
1766264323680763904 |
spelling |
ftccsdartic:oai:HAL:hal-00164996v1 2023-05-15T13:56:44+02:00 Southern Ocean investigated by elephant seals from Kerguelen Islands: movements and diving behaviour related to areas prospected Bailleul, Frédéric Charrassin, Jean-Benoît Ezraty, Robert Girard-Ardhuin, Fanny Mcmahon, Clive R. Field, Iain C. Guinet, Christophe Centre d'Études Biologiques de Chizé - UMR 7372 (CEBC) Université de La Rochelle (ULR)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE) Laboratoire d'Océanographie et du Climat : Expérimentations et Approches Numériques (LOCEAN) Institut de Recherche pour le Développement (IRD)-Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Muséum national d'Histoire naturelle (MNHN)-Institut Pierre-Simon-Laplace (IPSL (FR_636)) École normale supérieure - Paris (ENS Paris) Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris Diderot - Paris 7 (UPD7)-École polytechnique (X)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-École normale supérieure - Paris (ENS Paris) Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris Diderot - Paris 7 (UPD7)-École polytechnique (X)-Centre National d'Études Spatiales Toulouse (CNES)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS) 2007 https://hal.archives-ouvertes.fr/hal-00164996 https://doi.org/10.1016/j.dsr2.2006.11.005 en eng HAL CCSD Elsevier info:eu-repo/semantics/altIdentifier/doi/10.1016/j.dsr2.2006.11.005 hal-00164996 https://hal.archives-ouvertes.fr/hal-00164996 doi:10.1016/j.dsr2.2006.11.005 ISSN: 0967-0645 Deep Sea Research Part II: Topical Studies in Oceanography https://hal.archives-ouvertes.fr/hal-00164996 Deep Sea Research Part II: Topical Studies in Oceanography, Elsevier, 2007, 54 (3-4), pp.343-355. ⟨10.1016/j.dsr2.2006.11.005⟩ Benthic environment Temperature profiles Marine ecology Pelagic environment Diving Behaviour Mirounga leonina [PHYS.PHYS.PHYS-GEO-PH]Physics [physics]/Physics [physics]/Geophysics [physics.geo-ph] [SDU.STU.GP]Sciences of the Universe [physics]/Earth Sciences/Geophysics [physics.geo-ph] [SDE.MCG]Environmental Sciences/Global Changes info:eu-repo/semantics/article Journal articles 2007 ftccsdartic https://doi.org/10.1016/j.dsr2.2006.11.005 2021-03-14T00:34:28Z The behaviour of southern elephant seals from Kerguelen Island (49ring operator50′S, 70ring operator30′E) was investigated in relation to the oceanographic regions of the Southern Ocean. The oceanographic and the seal behaviour data, including location and diving activity, were collected using a new generation of satellite-relayed devices measuring and transmitting pressure, temperature, and salinity along with locations. Dive duration, maximum diving depth, time spent at the bottom of the dives, and shape of dive profiles were compared between male and female seals, and were related to the oceanographic characteristics of areas prospected by the seals. Most animals travelled to the Antarctic shelf. However, during winter, adult females travelled away from the continent, remained and foraged within the marginal sea-ice zone, while juvenile males remained within the pack ice to forage mainly on the Antarctic shelf. Therefore, as the ice expanded females appeared to shift from benthic to pelagic foraging farther north, while males continued to forage almost exclusively benthically on the continental shelf. This difference is likely related to the different energetic requirements between the two sexes, but also may be related to pregnant females having to return to Kerguelen in early spring in order to give birth and successfully raise their pups, while males can remain in the ice. Our results show an important link between elephant seals and Antarctic sea ice and suggest that changes in sea-ice conditions could strongly affect the behaviour of this species. Article in Journal/Newspaper Antarc* Antarctic Elephant Seals Kerguelen Islands Mirounga leonina Sea ice Southern Elephant Seals Southern Ocean Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) Antarctic Southern Ocean The Antarctic Kerguelen Kerguelen Islands Kerguelen Island ENVELOPE(69.500,69.500,-49.250,-49.250) Deep Sea Research Part II: Topical Studies in Oceanography 54 3-4 343 355 |