The future of Atlantic walrus in a rapidly warming Arctic
Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
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The future of Atlantic walrus in a rapidly warming Arctic. / Born, Erik W.; Wiig, Øystein; Olsen, Morten Tange.
The Atlantic Walrus: Multidisciplinary Insights into Human-Animal Interactions. ed. / Xénia Keighley; Morten Tange Olsen; Peter Jordan; Sean Desjardins. Academic Press, 2021. p. 309-332.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
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TY - CHAP
T1 - The future of Atlantic walrus in a rapidly warming Arctic
AU - Born, Erik W.
AU - Wiig, Øystein
AU - Olsen, Morten Tange
N1 - Publisher Copyright: © 2021 Elsevier Inc.
PY - 2021
Y1 - 2021
N2 - The walrus (Odobenus rosmarus) is classified as a focal ecosystem component of the Arctic, defined as a biological element that is considered central to the functioning of an ecosystem, is of major importance to Arctic residents and/or is likely to be a good proxy for short- and long-term changes in the environment. The Arctic is undergoing large-scale environmental changes due to rapid global warming, including a marked reduction of sea ice in several areas inhabited by walruses. This chapter reviews how walruses already have been affected by global warming, or likely will be in the future. Specifically, we review the effects on walruses of projected changes in sea ice cover, marine productivity, ocean acidification, predation, pathogens and ultraviolet radiation, whereas changes in human activity patterns are discussed elsewhere in this volume. We find that, while the Pacific walrus seems to experience negative effects of warming and decrease in sea ice, the Atlantic walruses may be less affected; also in comparison to other ice-associated pinnipeds. Hence, we concur with previous assessments that the walrus is likely to survive into the future; at least in areas where human disturbance is minimal, and suitable terrestrial haul-outs are close enough to their feeding grounds.
AB - The walrus (Odobenus rosmarus) is classified as a focal ecosystem component of the Arctic, defined as a biological element that is considered central to the functioning of an ecosystem, is of major importance to Arctic residents and/or is likely to be a good proxy for short- and long-term changes in the environment. The Arctic is undergoing large-scale environmental changes due to rapid global warming, including a marked reduction of sea ice in several areas inhabited by walruses. This chapter reviews how walruses already have been affected by global warming, or likely will be in the future. Specifically, we review the effects on walruses of projected changes in sea ice cover, marine productivity, ocean acidification, predation, pathogens and ultraviolet radiation, whereas changes in human activity patterns are discussed elsewhere in this volume. We find that, while the Pacific walrus seems to experience negative effects of warming and decrease in sea ice, the Atlantic walruses may be less affected; also in comparison to other ice-associated pinnipeds. Hence, we concur with previous assessments that the walrus is likely to survive into the future; at least in areas where human disturbance is minimal, and suitable terrestrial haul-outs are close enough to their feeding grounds.
KW - Atlantic walrus
KW - Environmental change
KW - Habitat
KW - Ocean acidification
KW - Odobenus rosmarus divergens
KW - Odobenus rosmarus rosmarus
KW - Pacific walrus
KW - Pathogens
KW - Predators
KW - Sea ice
U2 - 10.1016/B978-0-12-817430-2.00012-1
DO - 10.1016/B978-0-12-817430-2.00012-1
M3 - Book chapter
AN - SCOPUS:85127123218
SP - 309
EP - 332
BT - The Atlantic Walrus
A2 - Keighley, Xénia
A2 - Olsen, Morten Tange
A2 - Jordan, Peter
A2 - Desjardins, Sean
PB - Academic Press
ER -
ID: 306972434