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作者单位: | Department of Fisheries and Wildlife, Michigan State University, East Lansing, Michigan, United States of America;Departments of Forestry and Geography, Michigan State University, East Lansing, Michigan, United States of America;Department of Fisheries and Wildlife, Michigan State University, East Lansing, Michigan, United States of America;U.S. Geological Survey, Pennsylvania Cooperative Fish & Wildlife Research Unit, Pennsylvania State University, University Park, Pennsylvania, United States of America
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