Is climate change affecting wolf populations in the high Arctic?

Climatic Change


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Global climate change may affect wolves in Canada's High Arctic (80DG N) acting through three trophic levels (vegetation, herbivores, and wolves). A wolf pack dependent on muskoxen and arctic hares in the Eureka area of Ellesmere Island denned and produced pups most years from at least 1986 through 1997. However when summer snow covered vegetation in 1997 and 2000 for the first time since records were kept, halving the herbivore nutrition-replenishment period, muskox and hare numbers dropped drastically, and the area stopped supporting denning wolves through 2003. The unusual weather triggering these events was consistent with global-climate-change phenomena.

Additional publication details

Publication type Article
Publication Subtype Journal Article
Title Is climate change affecting wolf populations in the high Arctic?
Series title Climatic Change
Volume 67
Year Published 2004
Language English
Contributing office(s) Northern Prairie Wildlife Research Center
Description p. 87-93
Larger Work Type Article
Larger Work Subtype Journal Article
Larger Work Title Climatic Change
First page 87
Last page 93
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