1. Ecology and Evolutionary Biology University of Tennessee Knoxville Tennessee USA
2. Environmental Sciences Division and Climate Change Science Institute Oak Ridge National Laboratory Oak Ridge Tennessee USA
3. USDA Forest Service International Institute of Tropical Forestry Río Piedras Puerto Rico
4. Southwest Biological Science Center U.S. Geological Survey Moab Utah USA
5. Gulf Ecosystem Measurement and Modeling Division Environment Protection Agency Gulf Breeze Florida USA
6. College of Forest Resources and Environmental Science Michigan Technological University Houghton Michigan USA