作者单位:
Forest, Rangeland, and Watershed Stewardship Department, Colorado State University, Fort Collins, Colorado 80523, USA
[1]
Department of Biology, University of New Mexico, Albuquerque, New Mexico 87131, USA
[2]
Department of Ecology, Evolution, and Behavior, University of Minnesota, 1987 Upper Buford Circle, St. Paul, Minnesota 55108, USA
[3]
发布时间
2013-11-20