作者单位:
US Fish & Wildlife Serv, Libby, MT 59923 USA
[1]
Birchdale Ecol Ltd, Kaslo, BC V0G 1M0, Canada
[2]
Univ Alberta, Dept Renewable Resources, Edmonton, AB T6G 2E9, Canada
[3]
Univ Montana, Coll Forestry & Conservat, US Fish & Wildlife Serv, Missoula, MT 59812 USA
[4]
Univ Alberta, Dept Biol Sci, Edmonton, AB T6G 2E9, Canada
[5]
发布时间
2015-08-19