Affiliation: | 1. USDA Forest Service, Rocky Mountain Research Station, Bozeman, MT 59717, USA;2. Montana Fish, Wildlife and Parks, Bozeman, MT 59717, USA;3. Department of Ecology, Montana State University, Bozeman, MT 59717, USA;4. USDA Forest Service, Rocky Mountain Research Station, Boise, ID 83702, USA |