Brown Bear Activity and Habitat Use, Denali National Park: 1980

January 1, 1986

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Brown bears (Ursus arctos) were observed in 2 alpine areas in Denali National Park, Alaska, in 1980. The dispersion and variety of habitat types and seasonal changes in food availability influenced use of the areas by brown bears. The presence of mated pairs apparently excluded family units. Habitat use and activities of bears were influenced by the phenological development of crowberry (Empetrum nigrum), peavine (Hedysarum alpinum), horsetail (Equisetum arvense), polar grass (Arctagrostis latifolia), soapberry (Shepherdia canadensis), and availability of animal food items.

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