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Grizzly bears, roads, and human-bear conflicts in southwestern Alberta Open Access


Other title
traffic model
Grizzly bear
access management
Ursus arctos
carnivore-human conflict
bear-human conflict
Type of item
Degree grantor
University of Alberta
Author or creator
Joseph, Northrup
Supervisor and department
Boyce, Mark (Biological Sciences)
Examining committee member and department
Stenhouse, Gordon (Foothills Research Institute)
Dercocher, Andrew (Biological Sciences)
Proctor, Heather (Biological Sciences)
He, Fangliang (Renewable Resources)
Department of Biological Sciences

Date accepted
Graduation date
Master of Science
Degree level
Because most grizzly bear mortalities occur near roads, the Province of Alberta plans to implement gated access management. Little is known about how grizzly bears will respond to road closures because the effects of roads are confounded by habitat and human use. I examined mechanisms underlying grizzly bear habitat selection near roads on private and public lands of southwestern Alberta. I incorporated habitat selection models into an analysis of conflict risk. Grizzly bears selected areas near roads with low traffic and were most active at night on private lands, where human use was low. However, habitat selection varied among individuals, and roads were not a consistent predictor of overall habitat selection across individual bears. Patterns of habitat selection led to the emergence of ecological traps on private land. Access and attractant management should be implemented to reduce bear-human conflicts, and decrease displacement of bears from high-quality habitats.
Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of these terms. The author reserves all other publication and other rights in association with the copyright in the thesis and, except as herein before provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
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