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Sound wildlife conservation decisions require sound information, and scientists increasingly rely on remotely collected data over large spatial scales, such as noninvasive genetic tagging (NGT). Grizzly bears (Ursus arctos), for example, are difficult to study at population scales except with noninvasive data, and NGT via hair trapping informs management over much of grizzly bears' range. Consi...

Species' distributions are influenced by a combination of landscape variables and biotic interactions with other species, including people. Grizzly bears and black bears are sympatric, competing omnivores that also share habitats with human recreationists. By adapting models for multi-species occupancy analysis, we analyzed trail camera data from 192 trail camera locations in and around Jasper ...

The propensity for a grizzly bear to develop conflict behaviours might be a result of social learning between mothers and cubs, genetic inheritance, or both learning and inheritance. Using non-invasive genetic sampling, we collected grizzly bear hair samples during 2011-2014 across southwestern Alberta, Canada. We targeted private agricultural lands for hair samples at grizzly bear incident sit...

Between 1960 and 1998, bears caused 42 serious or fatal human injuries in the Province of Alberta—29 (69%) by grizzly (brown) bears (Ursus arctos) and 13 (31%) by American black bears (U. americanus). Considering Alberta’s estimated bear population—about 1,000 grizzly bears and 38,000–39,000 black bears—these numbers suggest that the grizzly bears are the more dangerous of the 2 species. Seriou...

We evaluated the potential of two noninvasive genetic sampling methods, hair traps and bear rub surveys, to estimate population abundance and trend of grizzly (Ursus arctos) and black bear (U. americanus) populations in Banff National Park, Alberta, Canada. Using Huggins closed population mark-recapture models, we obtained the first precise abundance estimates for grizzly bears (N= 73.5, 95% CI...

Similar to vehicles on roadways, trains frequently kill wildlife via collisions along railways. Despite the prevalence of this mortality worldwide, little is known about the relative importance of wildlife attractants associated with railways, including spilled agricultural products, enhanced vegetation, invertebrates, and carcasses of rail-killed ungulates. We assessed the relative importance ...

by Jasmine Victoria Ware, Ph.D Washington State University December 2012 Chair: Heiko T. Jansen Timekeeping enables organisms to accurately and reliably perform functions integral to survival, such as reproduction, migration, and hibernation. The grizzly bear (Ursos arctos horribilis) is a highly adaptable species that must cope with changing seasonal conditions, food resources, and human distu...

Context To mitigate conservation conflicts, some jurisdictions translocate large carnivores into novel environments where they have no previous experience. Behavioural responses of these individuals are not typically monitored to evaluate the impacts this management approach on animals or populations. Aims We examined how grizzly bears (Ursus arctos) involved in conflict responded after translo...