A review of Canadian Arctic killer whale ( Orcinus orca) ecology
The killer whale (Orcinus orca (Linnaeus, 1758)) is a widely distributed marine predator with a broad ecological niche at the species level with evidence of specialization and narrow ecological niches among populations. Their occurrence in Canadian Arctic waters is limited by sea ice and it has been...
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2020
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crcansciencepubl:10.1139/cjz-2019-0207 2024-09-15T18:15:04+00:00 A review of Canadian Arctic killer whale ( Orcinus orca) ecology Lefort, K.J. Matthews, C.J.D. Higdon, J.W. Petersen, S.D. Westdal, K.H. Garroway, C.J. Ferguson, S.H. 2020 http://dx.doi.org/10.1139/cjz-2019-0207 http://www.nrcresearchpress.com/doi/full-xml/10.1139/cjz-2019-0207 http://www.nrcresearchpress.com/doi/pdf/10.1139/cjz-2019-0207 en eng Canadian Science Publishing http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining Canadian Journal of Zoology volume 98, issue 4, page 245-253 ISSN 0008-4301 1480-3283 journal-article 2020 crcansciencepubl https://doi.org/10.1139/cjz-2019-0207 2024-08-08T04:13:41Z The killer whale (Orcinus orca (Linnaeus, 1758)) is a widely distributed marine predator with a broad ecological niche at the species level with evidence of specialization and narrow ecological niches among populations. Their occurrence in Canadian Arctic waters is limited by sea ice and it has been suggested that climate warming, which has caused increases in the area of ice-free water and duration of the ice-free season, has led to an increased killer whale presence during the open-water period. In this review, we summarize our knowledge of Canadian Arctic killer whale demographics and ecology, synthesizing published and previously unpublished information in a single document. More specifically, we summarize our knowledge of killer whale population size and trends, distribution and seasonality (including results from recent satellite-tracking studies), feeding ecology, and threats, and identify research priorities in the Canadian Arctic. Despite increased research efforts during the past decade, our demographic and ecological knowledge remains incomplete. An improved ecological understanding is necessary for effective management of killer whales and their prey, species of ecological, economic, and cultural importance to Canadian Inuit and the marine ecosystem. This knowledge will allow us to better understand the ecological consequences of a changing Arctic climate. Article in Journal/Newspaper inuit Killer Whale Orca Orcinus orca Sea ice Killer whale Canadian Science Publishing Canadian Journal of Zoology 98 4 245 253 |
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Open Polar |
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Canadian Science Publishing |
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crcansciencepubl |
language |
English |
description |
The killer whale (Orcinus orca (Linnaeus, 1758)) is a widely distributed marine predator with a broad ecological niche at the species level with evidence of specialization and narrow ecological niches among populations. Their occurrence in Canadian Arctic waters is limited by sea ice and it has been suggested that climate warming, which has caused increases in the area of ice-free water and duration of the ice-free season, has led to an increased killer whale presence during the open-water period. In this review, we summarize our knowledge of Canadian Arctic killer whale demographics and ecology, synthesizing published and previously unpublished information in a single document. More specifically, we summarize our knowledge of killer whale population size and trends, distribution and seasonality (including results from recent satellite-tracking studies), feeding ecology, and threats, and identify research priorities in the Canadian Arctic. Despite increased research efforts during the past decade, our demographic and ecological knowledge remains incomplete. An improved ecological understanding is necessary for effective management of killer whales and their prey, species of ecological, economic, and cultural importance to Canadian Inuit and the marine ecosystem. This knowledge will allow us to better understand the ecological consequences of a changing Arctic climate. |
format |
Article in Journal/Newspaper |
author |
Lefort, K.J. Matthews, C.J.D. Higdon, J.W. Petersen, S.D. Westdal, K.H. Garroway, C.J. Ferguson, S.H. |
spellingShingle |
Lefort, K.J. Matthews, C.J.D. Higdon, J.W. Petersen, S.D. Westdal, K.H. Garroway, C.J. Ferguson, S.H. A review of Canadian Arctic killer whale ( Orcinus orca) ecology |
author_facet |
Lefort, K.J. Matthews, C.J.D. Higdon, J.W. Petersen, S.D. Westdal, K.H. Garroway, C.J. Ferguson, S.H. |
author_sort |
Lefort, K.J. |
title |
A review of Canadian Arctic killer whale ( Orcinus orca) ecology |
title_short |
A review of Canadian Arctic killer whale ( Orcinus orca) ecology |
title_full |
A review of Canadian Arctic killer whale ( Orcinus orca) ecology |
title_fullStr |
A review of Canadian Arctic killer whale ( Orcinus orca) ecology |
title_full_unstemmed |
A review of Canadian Arctic killer whale ( Orcinus orca) ecology |
title_sort |
review of canadian arctic killer whale ( orcinus orca) ecology |
publisher |
Canadian Science Publishing |
publishDate |
2020 |
url |
http://dx.doi.org/10.1139/cjz-2019-0207 http://www.nrcresearchpress.com/doi/full-xml/10.1139/cjz-2019-0207 http://www.nrcresearchpress.com/doi/pdf/10.1139/cjz-2019-0207 |
genre |
inuit Killer Whale Orca Orcinus orca Sea ice Killer whale |
genre_facet |
inuit Killer Whale Orca Orcinus orca Sea ice Killer whale |
op_source |
Canadian Journal of Zoology volume 98, issue 4, page 245-253 ISSN 0008-4301 1480-3283 |
op_rights |
http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining |
op_doi |
https://doi.org/10.1139/cjz-2019-0207 |
container_title |
Canadian Journal of Zoology |
container_volume |
98 |
container_issue |
4 |
container_start_page |
245 |
op_container_end_page |
253 |
_version_ |
1810452810796367872 |