Affiliation: | (1) College of Natural Resources, University of Wisconsin-Stevens Point, 800 Reserve Street, Stevens Point, WI 54481, USA;(2) Present address: Department of Biology, University of Central Florida, 4000 Central Florida Boulevard, Orlando, FL 32816, USA;(3) USDA Forest Service, Northern Research Station, P.O. Box 404, Parsons, WV 26287, USA |