1. Jack H. Berryman Institute, Wildland Resources Department; Quinney College of Natural Resources, Utah State University; Logan UT 84322-5210 USA
2. Wildland Resources Department, Quinney College of Natural Resources; Utah State University; Logan UT 84322-5210 USA
3. Center for Conservation Social Science, Department of Natural Resources; Cornell University; Ithaca NY 14853 USA