Affiliation: | Department of Biological Sciences, University of Alberta, CW 405 Biological Sciences Building, Edmonton, AB, Canada T6G 2E9, Department of Wildland Resources, Utah State University, 5230 Old Main Hill, Logan, UT 84322-5230, USA, USDA Forest Service, Rocky Mountain Research Station, 860 North 1200 East, Logan, UT 84321, USA, Natural Resources and Environmental Studies Institute, University of Northern British Columbia, 3333 University Way, Prince George, BC, Canada V2N 4Z. |