期刊
BIOLOGICAL CONSERVATION
卷 113, 期 1, 页码 55-62出版社
ELSEVIER SCI LTD
DOI: 10.1016/S0006-3207(02)00349-X
关键词
black bear; habitat selection; compositional analysis; Washington
We examined resource selection of black bears in the northeast Cascades of Washington at two spatial scales. Specifically, we compared habitats selected for within home ranges to those available in the study area, and habitats selected for versus those available within home ranges. Compositional analysis showed selection of similar habitats at each spatial scale, with some differences. In the dry climate of the eastern Cascades, black bears appeared to locate home ranges within habitats that would provide abundant food resources, such as riparian and deciduous forests, meadows and shrubfields. Once established in a home range, black bears selected for a mosaic of habitat types that provided security cover in proximity to food resources, such as riparian and deciduous forests, other forest types and meadows. Published by Elsevier Science Ltd.
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