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Circumpolar habitat use in the southern elephant seal: implications for foraging success and population trajectories

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Circumpolar habitat use in the southern elephant seal: implications for foraging success and population trajectories. / Hindell, Mark A.; McMahon, Clive R.; Bester, Marthán N.; Boehme, Lars; Costa, Daniel; Fedak, Mike; Guinet, Christophe; Herraiz-Borreguero, Laura ; Harcourt, Robert G.; Huckstadt, Luis ; Kovacs, Kit M.; Lydersen, Christian ; McInytre, Trevor; Muelbert, Monica; Roquet, Fabien; Williams, Guy ; Charrassin, Jean-Benoit.

In: Ecosphere, Vol. 7, No. 5, e01213, 26.05.2016, p. 1-27.

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Harvard

Hindell, MA, McMahon, CR, Bester, MN, Boehme, L, Costa, D, Fedak, M, Guinet, C, Herraiz-Borreguero, L, Harcourt, RG, Huckstadt, L, Kovacs, KM, Lydersen, C, McInytre, T, Muelbert, M, Roquet, F, Williams, G & Charrassin, J-B 2016, 'Circumpolar habitat use in the southern elephant seal: implications for foraging success and population trajectories' Ecosphere, vol. 7, no. 5, e01213, pp. 1-27. https://doi.org/10.1002/ecs2.1213

APA

Hindell, M. A., McMahon, C. R., Bester, M. N., Boehme, L., Costa, D., Fedak, M., ... Charrassin, J-B. (2016). Circumpolar habitat use in the southern elephant seal: implications for foraging success and population trajectories. Ecosphere, 7(5), 1-27. [e01213]. https://doi.org/10.1002/ecs2.1213

Vancouver

Hindell MA, McMahon CR, Bester MN, Boehme L, Costa D, Fedak M et al. Circumpolar habitat use in the southern elephant seal: implications for foraging success and population trajectories. Ecosphere. 2016 May 26;7(5):1-27. e01213. https://doi.org/10.1002/ecs2.1213

Author

Hindell, Mark A. ; McMahon, Clive R. ; Bester, Marthán N. ; Boehme, Lars ; Costa, Daniel ; Fedak, Mike ; Guinet, Christophe ; Herraiz-Borreguero, Laura ; Harcourt, Robert G. ; Huckstadt, Luis ; Kovacs, Kit M. ; Lydersen, Christian ; McInytre, Trevor ; Muelbert, Monica ; Roquet, Fabien ; Williams, Guy ; Charrassin, Jean-Benoit. / Circumpolar habitat use in the southern elephant seal: implications for foraging success and population trajectories. In: Ecosphere. 2016 ; Vol. 7, No. 5. pp. 1-27.

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@article{19eb0bad7ed1448e91d0f2ef7dc729a6,
title = "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 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 explain the differing population trends observed among elephant seal colonies.",
keywords = "Foraging behaviour, Mirounga leonina, Physical oceanography, Population status, Sea-ice, Southern Ocean water masses",
author = "Hindell, {Mark A.} and McMahon, {Clive R.} and Bester, {Marth{\'a}n N.} and Lars Boehme and Daniel Costa and Mike Fedak and Christophe Guinet and Laura Herraiz-Borreguero and Harcourt, {Robert G.} and Luis Huckstadt and Kovacs, {Kit M.} and Christian Lydersen and Trevor McInytre and Monica Muelbert and Fabien Roquet and Guy Williams and Jean-Benoit Charrassin",
year = "2016",
month = "5",
day = "26",
doi = "10.1002/ecs2.1213",
language = "English",
volume = "7",
pages = "1--27",
journal = "Ecosphere",
issn = "2150-8925",
publisher = "Ecological Society of America",
number = "5",

}

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TY - JOUR

T1 - Circumpolar habitat use in the southern elephant seal: implications for foraging success and population trajectories

AU - Hindell, Mark A.

AU - McMahon, Clive R.

AU - Bester, Marthán N.

AU - Boehme, Lars

AU - Costa, Daniel

AU - Fedak, Mike

AU - Guinet, Christophe

AU - Herraiz-Borreguero, Laura

AU - Harcourt, Robert G.

AU - Huckstadt, Luis

AU - Kovacs, Kit M.

AU - Lydersen, Christian

AU - McInytre, Trevor

AU - Muelbert, Monica

AU - Roquet, Fabien

AU - Williams, Guy

AU - Charrassin, Jean-Benoit

PY - 2016/5/26

Y1 - 2016/5/26

N2 - 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 explain the differing population trends observed among elephant seal colonies.

AB - 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 explain the differing population trends observed among elephant seal colonies.

KW - Foraging behaviour

KW - Mirounga leonina

KW - Physical oceanography

KW - Population status

KW - Sea-ice

KW - Southern Ocean water masses

U2 - 10.1002/ecs2.1213

DO - 10.1002/ecs2.1213

M3 - Article

VL - 7

SP - 1

EP - 27

JO - Ecosphere

T2 - Ecosphere

JF - Ecosphere

SN - 2150-8925

IS - 5

M1 - e01213

ER -

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ID: 209938332