Circumpolar habitat use in the southern elephant seal: implications for foraging success and population trajectories
Abstract In the Southern Ocean, wide‐ranging predators offer the opportunity to quantify how animals respond to differences in the environment because their behavior and population trends are an integrated signal of prevailing conditions within multiple marine habitats. Southern elephant seals in pa...
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Online Access: | https://doi.org/10.1002/ecs2.1213 https://doaj.org/article/d4063dde9d0f42a9b2d8bdfebb2c706b |
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ftdoajarticles:oai:doaj.org/article:d4063dde9d0f42a9b2d8bdfebb2c706b 2023-05-15T14:03:23+02:00 Circumpolar habitat use in the southern elephant seal: implications for foraging success and population trajectories Mark A. Hindell Clive R. McMahon Marthán N. Bester Lars Boehme Daniel Costa Mike A. Fedak Christophe Guinet Laura Herraiz‐Borreguero Robert G. Harcourt Luis Huckstadt Kit M. Kovacs Christian Lydersen Trevor McIntyre Monica Muelbert Toby Patterson Fabien Roquet Guy Williams Jean‐Benoit Charrassin 2016-05-01T00:00:00Z https://doi.org/10.1002/ecs2.1213 https://doaj.org/article/d4063dde9d0f42a9b2d8bdfebb2c706b EN eng Wiley https://doi.org/10.1002/ecs2.1213 https://doaj.org/toc/2150-8925 2150-8925 doi:10.1002/ecs2.1213 https://doaj.org/article/d4063dde9d0f42a9b2d8bdfebb2c706b Ecosphere, Vol 7, Iss 5, Pp n/a-n/a (2016) foraging behavior Mirounga leonina physical oceanography population status sea ice Southern Ocean water masses Ecology QH540-549.5 article 2016 ftdoajarticles https://doi.org/10.1002/ecs2.1213 2022-12-31T15:51:04Z Abstract In the Southern Ocean, wide‐ranging predators offer the opportunity to quantify how animals respond to differences in the environment because their behavior and population trends are an integrated signal of prevailing conditions within multiple marine habitats. Southern elephant seals in particular, can provide useful insights due to their circumpolar distribution, their long and distant migrations and their performance of extended bouts of deep diving. Furthermore, across their range, elephant seal populations have very different population trends. In this study, we present a data set from the International Polar Year project; Marine Mammals Exploring the Oceans Pole to Pole for southern elephant seals, in which a large number of instruments (N = 287) deployed on animals, encompassing a broad circum‐Antarctic geographic extent, collected in situ ocean data and at‐sea foraging metrics that explicitly link foraging behavior and habitat structure in time and space. Broadly speaking, the seals foraged in two habitats, the relatively shallow waters of the Antarctic continental shelf and the Kerguelen Plateau and deep open water regions. Animals of both sexes were more likely to exhibit area‐restricted search (ARS) behavior rather than transit in shelf habitats. While Antarctic shelf waters can be regarded as prime habitat for both sexes, female seals tend to move northwards with the advance of sea ice in the late autumn or early winter. The water masses used by the seals also influenced their behavioral mode, with female ARS behavior being most likely in modified Circumpolar Deepwater or northerly Modified Shelf Water, both of which tend to be associated with the outer reaches of the Antarctic Continental Shelf. The combined effects of (1) the differing habitat quality, (2) differing responses to encroaching ice as the winter progresses among colonies, (3) differing distances between breeding and haul‐out sites and high quality habitats, and (4) differing long‐term regional trends in sea ice extent can ... Article in Journal/Newspaper Antarc* Antarctic Elephant Seal Elephant Seals International Polar Year Mirounga leonina Sea ice Southern Elephant Seal Southern Elephant Seals Southern Ocean Directory of Open Access Journals: DOAJ Articles Antarctic Southern Ocean The Antarctic Kerguelen Ecosphere 7 5 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
foraging behavior Mirounga leonina physical oceanography population status sea ice Southern Ocean water masses Ecology QH540-549.5 |
spellingShingle |
foraging behavior Mirounga leonina physical oceanography population status sea ice Southern Ocean water masses Ecology QH540-549.5 Mark A. Hindell Clive R. McMahon Marthán N. Bester Lars Boehme Daniel Costa Mike A. Fedak Christophe Guinet Laura Herraiz‐Borreguero Robert G. Harcourt Luis Huckstadt Kit M. Kovacs Christian Lydersen Trevor McIntyre Monica Muelbert Toby Patterson Fabien Roquet Guy Williams Jean‐Benoit Charrassin Circumpolar habitat use in the southern elephant seal: implications for foraging success and population trajectories |
topic_facet |
foraging behavior Mirounga leonina physical oceanography population status sea ice Southern Ocean water masses Ecology QH540-549.5 |
description |
Abstract In the Southern Ocean, wide‐ranging predators offer the opportunity to quantify how animals respond to differences in the environment because their behavior and population trends are an integrated signal of prevailing conditions within multiple marine habitats. Southern elephant seals in particular, can provide useful insights due to their circumpolar distribution, their long and distant migrations and their performance of extended bouts of deep diving. Furthermore, across their range, elephant seal populations have very different population trends. In this study, we present a data set from the International Polar Year project; Marine Mammals Exploring the Oceans Pole to Pole for southern elephant seals, in which a large number of instruments (N = 287) deployed on animals, encompassing a broad circum‐Antarctic geographic extent, collected in situ ocean data and at‐sea foraging metrics that explicitly link foraging behavior and habitat structure in time and space. Broadly speaking, the seals foraged in two habitats, the relatively shallow waters of the Antarctic continental shelf and the Kerguelen Plateau and deep open water regions. Animals of both sexes were more likely to exhibit area‐restricted search (ARS) behavior rather than transit in shelf habitats. While Antarctic shelf waters can be regarded as prime habitat for both sexes, female seals tend to move northwards with the advance of sea ice in the late autumn or early winter. The water masses used by the seals also influenced their behavioral mode, with female ARS behavior being most likely in modified Circumpolar Deepwater or northerly Modified Shelf Water, both of which tend to be associated with the outer reaches of the Antarctic Continental Shelf. The combined effects of (1) the differing habitat quality, (2) differing responses to encroaching ice as the winter progresses among colonies, (3) differing distances between breeding and haul‐out sites and high quality habitats, and (4) differing long‐term regional trends in sea ice extent can ... |
format |
Article in Journal/Newspaper |
author |
Mark A. Hindell Clive R. McMahon Marthán N. Bester Lars Boehme Daniel Costa Mike A. Fedak Christophe Guinet Laura Herraiz‐Borreguero Robert G. Harcourt Luis Huckstadt Kit M. Kovacs Christian Lydersen Trevor McIntyre Monica Muelbert Toby Patterson Fabien Roquet Guy Williams Jean‐Benoit Charrassin |
author_facet |
Mark A. Hindell Clive R. McMahon Marthán N. Bester Lars Boehme Daniel Costa Mike A. Fedak Christophe Guinet Laura Herraiz‐Borreguero Robert G. Harcourt Luis Huckstadt Kit M. Kovacs Christian Lydersen Trevor McIntyre Monica Muelbert Toby Patterson Fabien Roquet Guy Williams Jean‐Benoit Charrassin |
author_sort |
Mark A. Hindell |
title |
Circumpolar habitat use in the southern elephant seal: implications for foraging success and population trajectories |
title_short |
Circumpolar habitat use in the southern elephant seal: implications for foraging success and population trajectories |
title_full |
Circumpolar habitat use in the southern elephant seal: implications for foraging success and population trajectories |
title_fullStr |
Circumpolar habitat use in the southern elephant seal: implications for foraging success and population trajectories |
title_full_unstemmed |
Circumpolar habitat use in the southern elephant seal: implications for foraging success and population trajectories |
title_sort |
circumpolar habitat use in the southern elephant seal: implications for foraging success and population trajectories |
publisher |
Wiley |
publishDate |
2016 |
url |
https://doi.org/10.1002/ecs2.1213 https://doaj.org/article/d4063dde9d0f42a9b2d8bdfebb2c706b |
geographic |
Antarctic Southern Ocean The Antarctic Kerguelen |
geographic_facet |
Antarctic Southern Ocean The Antarctic Kerguelen |
genre |
Antarc* Antarctic Elephant Seal Elephant Seals International Polar Year Mirounga leonina Sea ice Southern Elephant Seal Southern Elephant Seals Southern Ocean |
genre_facet |
Antarc* Antarctic Elephant Seal Elephant Seals International Polar Year Mirounga leonina Sea ice Southern Elephant Seal Southern Elephant Seals Southern Ocean |
op_source |
Ecosphere, Vol 7, Iss 5, Pp n/a-n/a (2016) |
op_relation |
https://doi.org/10.1002/ecs2.1213 https://doaj.org/toc/2150-8925 2150-8925 doi:10.1002/ecs2.1213 https://doaj.org/article/d4063dde9d0f42a9b2d8bdfebb2c706b |
op_doi |
https://doi.org/10.1002/ecs2.1213 |
container_title |
Ecosphere |
container_volume |
7 |
container_issue |
5 |
_version_ |
1766274026382032896 |