1. Department of Biological Sciences Northern Arizona University Flagstaff Arizona USA
2. Center for Ecosystem Science and Society Northern Arizona University Flagstaff Arizona USA
3. Department of Biology University of Central Florida Orlando Florida USA
4. College of Biology and the Environment Nanjing Forestry University Nanjing China
5. Department of Ecology and Evolutionary Biology University of California Irvine Irvine California USA
6. Institute of Geographic Sciences and Natural Resources Research Chinese Academy of Sciences Beijing China
7. Department of Resources and Environment University of Chinese Academy of Sciences Beijing China
8. Tiantong National Forest Ecosystem Observation and Research Station School of Ecological and Environmental Sciences, East China Normal University Shanghai China
9. Research Center for Global Change and Ecological Forecasting East China Normal University Shanghai China
10. Department of Microbiology and Plant Biology University of Oklahoma Norman Oklahoma USA
11. Department of Environmental Studies University of California Santa Cruz California USA