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Skip to Search Results- 22Derocher, Andrew (Biological Sciences)
- 1Foote, Lee (Renewable Resources)
- 1Franke, Alastair (Biological Sciences)
- 1Franke, Alastair (Renewable Resources)
- 1Hik, David (Biological Sciences)
- 1Lewis, Mark (Biological Sciences, Mathematical & Statistical Sciences)
- 1Auger-Méthé, Marie
- 1Barrett, Kimberley G
- 1Biddlecombe, Brooke
- 1Bohart, Alyssa Mary
- 1Boucher, Nicole
- 1Cherry, Seth G.
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Walking in Their Footsteps: New Approaches to Identify Behavioural Processes and Define Home Ranges Using Animal Movement Data
DownloadFall 2014
Animal movement and space-use patterns influence the distribution and abundance of species, predator-prey interactions, and many other ecological processes. Different approaches are used to study individual's space-use strategies and each approach suffers from unique challenges. The mechanistic...
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Using spatial autocorrelation to quantify the effects of sea ice fragmentation on polar bear movement in Hudson Bay
DownloadSpring 2020
Habitat fragmentation occurs when continuous habitat gets broken up as a result of ecosystem change. While commonly studied in terrestrial ecosystems, Arctic sea ice ecosystems also experience fragmentation, but are rarely studied in this context. Most fragmentation analyses are conducted using...
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Fall 2011
Understanding how populations are structured and how they use natural and anthropogenic spaces is essential for effective wildlife management. A total of 510 barren-ground (Rangifer tarandus groenlandicus), 176 boreal (R. t. caribou), 11 mountain woodland (R. t. caribou), and 39 island (R. t....
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Spring 2014
Mating systems evolve in response to factors that influence the distribution and availability of mates. In turn mating systems can influence species life histories as a result of sexual selection. Most of what is known about sexual selection in large mammals comes from long-term studies of...
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Spring 2011
Recent research indicates climate change will be amplified in Polar Regions, which will cause decreases to sea ice thickness and extent throughout the Arctic. Polar bears (Ursus maritimus) will be directly affected by changes to Arctic sea ice conditions because they rely on the ice substrate...
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Spring 2020
The choices animals make such as what habitat to use or where to live are influenced by individual behavior and life history traits. Gaining insight on space use patterns and habitat selection of a species can help wildlife managers in understanding social dynamics, population size and density,...
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Seasonal patterns of mortality for boreal caribou (Rangifer tarandus caribou) in an intact environment
DownloadSpring 2020
Seasonality is an important component in shaping the dynamics that influence ecosystems, including mortality. Animals experience temporal variation in vulnerability to mortality due to interactions among environmental conditions, nutritional condition, age and life stages, and changes in their...
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Fall 2021
Species interactions are thought to underlie the stability of ecosystems, and nowhere is studying such interactions more important than the rapidly changing Arctic. The foraging behaviour of generalist consumers is influenced by the abundance of multiple resources, and generalists are thought to...
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Spring 2020
Polynyas and leads are recurrent areas of open water within sea ice that are important to many Arctic species, including marine mammals; however, the importance to polar bears (Ursus maritimus) has not been examined. The western Hudson Bay flaw lead (hereafter lead) is a major, predictable...
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Polar bear (Ursus maritimus) foraging, spatial, and energetics ecology in the changing Arctic
DownloadFall 2020
Climate warming in the Arctic has resulted in rapid and extensive changes to sea ice dynamics and profound ecological impacts, including changes to the timing of life history events, community structure, and food web dynamics. Sea ice-dependent species such as polar bears (Ursus maritimus) are...