1. Department of Wildland Resources and the Ecology Center Utah State University Logan Utah USA
2. Department of Land Resources and Environmental Sciences Montana State University Bozeman Montana USA
3. Department of Natural Resources and Environmental Science University of Nevada Reno Nevada USA
4. Department of Biology Utah State University Logan Utah USA
5. US Geological Survey Southwest Biological Science Center Flagstaff Arizona USA
6. Department of Ecology and Evolutionary Biology, and Institute of Alpine and Arctic Research University of Colorado Boulder Colorado USA