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Skip to Search Results- 14Biological Sciences, Department of
- 12Graduate and Postdoctoral Studies (GPS), Faculty of
- 12Graduate and Postdoctoral Studies (GPS), Faculty of/Theses and Dissertations
- 9Biological Sciences, Department of/Journal Articles (Biological Sciences)
- 5Biological Sciences, Department of/Research Data and Materials (Biological Sciences)
- 4Canadian Circumpolar Institute
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Fall 2013
Polar bears (Ursus maritimus, Nanuut) are a culturally and economically important species to the Inuvialuit. As a result of climate change, the Arctic is experiencing rapid ecological changes with the potential for profound impacts on polar bear populations. The objectives of the thesis were to...
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Fall 2012
Sea ice concentration (SIC), the length of the ice-free period, and the break-up date are correlated with the survival and reproduction success of polar bears (Ursus maritimus) in Western Hudson Bay (WH). I use a high-resolution sea ice-ocean model to predict these parameters through the 21st...
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Spring 2015
Polar bears (Ursus maritimus) are an apex predator of the Arctic marine food web and vulnerable to changes in sea ice because various aspects of their existence depend on this dynamic platform. Arctic sea ice extent and thickness have declined, and been particularly low since the first record...
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Spring 2015
Polar bears (Ursus maritimus) enter a period of intensified feeding in the spring, which allows for the accumulation of energy stores critical to surviving the open water season. Study on polar bear predation has been limited by sample size and spatial extent, and hypotheses on the demographic...
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Polar Bear (Ursus maritimus) Habitat, Space Use,and Movements in a Seasonal Sea Ice Ecoregion
DownloadFall 2015
Polar bears (Ursus maritimus) are sea ice habitat specialists and climate change has affected sea ice throughout this species’ circumpolar range. The annual phenological cycle of sea ice growth and decay is a strong influence on polar bear distribution and ecology. Study of the habitat selection,...