1. Department of Ecology and Evolutionary Biology University of Tennessee 569 Dabney Hall Knoxville Tennessee37996USA
2. Department of Fish, Wildlife & Conservation Biology Colorado State University 1474 Campus Delivery Fort Collins Colorado80523USA
3. School of Sustainability Arizona State University PO Box 875502 Tempe Arizona85287‐5502USA
4. Resources for the Future 1616 P St. NW Washington D.C.20036USA
5. Department of Environmental Science and Policy University of California Davis California95616USA
6. National Institute for Mathematical and Biological Synthesis University of Tennessee 1122 Volunteer Blvd., Suite 106 Knoxville Tennessee37996USA