作者单位:
Univ Montana, US Geol Survey, Montana Cooperat Wildlife Res Unit, 205 Nat Sci Bldg, Missoula, MT 59812 USA
[1]
Yellowstone Ctr Resources, POB 168, Yellowstone Natl Pk, WY 82190 USA
[2]
Univ Montana, Montana Cooperat Wildlife Res Unit, 205 Nat Sci Bldg, Missoula, MT 59812 USA
[3]
Idaho Dept Fish & Game, 2885 Kathleen Ave, Coeur Dalene, ID 83815 USA
[4]
发布时间
2017-04-06