Ecological Genetic Studies of Bears Using Microsatellite Analysis

January 1, 1998

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We developed primers for typing microsatellite markers in American black bears (Ursus americanus). It was demonstrated that these primers can be used to type individuals from all bear species. Over 1,000 individuals from 8 species of bears (Ursidae) were typed to assess the efficacy of microsatellite analysis for studying several types of ecological genetic questions. In most populations, typing with a series of microsatellite markers provided ample resolution to identify individuals and parent-offspring relationships. Microsatellites were also highly effective for measuring genetic variation within populations and the degree to which populations are genetically distinct from each other. These results demonstrate the power of microsatellite analysis as a genetic tool for studying individual and population level relationships in bears.

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