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Skip to Search Results- 1Arbour, Victoria M
- 1Bain, John F.
- 1Beare, Stephen S.
- 1Beckers, Justin F.
- 1Bombin, Miguel.
- 1Boyd, Christine N.
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Fall 2015
Specialist predators with a limited diet may be less adaptable to environmental change than generalists, which consume a diversity of prey. As the climate changes, ecological homogenization is occurring, where generalist species outcompete specialists, reducing ecosystem complexity. In Arctic...
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Dissolved Organic Carbon Mobilization and Degradation Patterns in Retrogressive Thaw Slumps of the Peel Plateau, Northwest Territories, Canada
DownloadFall 2016
Anthropogenic climate change has affected the Canadian Arctic cryosphere, accelerating the development of retrogressive thaw slumps (RTS) across the Peel Plateau, NWT, Canada. RTS result from the thawing of ice-rich permafrost and develop due to ablation of ground ice exposed in the slump...
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Dall sheep (Ovis dalli dalli), grizzly bear (Ursus arctos) and wolf (Canis lupus) interactions in the Northern Richardson Mountains, Canada
DownloadFall 2012
Lambert Koizumi, Catherine M S
Assessing the impact of predators on a prey population is inherently challenging, a fortiori in remote ecosystems. With this thesis, I studied the interactions between a recently declining Dall sheep (Ovis dalli dalli) population and two predators: grizzly bears (Ursus arctos) and wolves (Canis...
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Spring 2020
Northern mountain caribou (NMC) (Rangifer tarandus caribou) face a unique combination of demographic influences among woodland caribou in Canada. To build knowledge of how NMC may respond to these influences, the potential effects of road and fire disturbance, climate (pacific decadal oscillation...
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Spring 2018
This thesis contributes to the development of a cryptotephra framework in northwestern North America, providing the initial data for the construction of a regional cryptotephra framework where key cryptotephra layers (those which are widely distributed, easily correlated, and have well...
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Sedimentology and drainage history of a glacier dammed lake, St. Elias Mountains, Yukon Territory
Download1981
Masters thesis. 1979 observations and measurements on the final stages of filling and drainage of "Hazard Lake" in the St. Elias Mountains, Yukon.
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Relative abundance and habitat relationships of Clethrionomys rutilus in the south-central Yukon Territory
Download1984
Masters thesis. A study of small mammals on the South Canol Road, south-central Yukon, particularly the northern red-backed vole (Clethrionomys rutilus).
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Shrub encroachment in arctic and alpine tundra: Patterns of expansion and ecosystem impacts.
DownloadFall 2011
With a warming climate, northern ecosystems will face significant ecological changes such as permafrost thaw, increased frequency of forest fires, and shifting ecosystem boundaries including the spread of canopy-forming shrubs into tundra communities. A growing number of observations show...
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Spring 2016
The Arctic Ocean sea ice is shifting from a system dominated by thick perennial ice (multiyear ice –MYI) to one dominated by thinner, seasonal ice (first year ice – FYI). The effects of this shift on the bacterial constituents of the Arctic sea ice have been grossly under studied, although it is...