1. Erguna Forest‐Steppe Ecotone Research Station Institute of Applied Ecology, Chinese Academy of Sciences Shenyang China
2. Department of Biology Santa Clara University Santa Clara CA USA
3. Schmid College of Science and Technology Chapman University Orange CA USA
4. School of Grassland Science Beijing Forestry University Beijing China
5. Heilongjiang Bayi Agricultural University Daqing China
6. Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences Changchun China
7. State Key Laboratory of Vegetation and Environmental Change Institute of Botany, Chinese Academy of Sciences Beijing China
8. Department of Biology University of New Mexico Albuquerque NM USA
9. Department of Biology Colorado State University Fort Collins CO USA
10. Graduate Degree Program in Ecology Colorado State University Fort Collins CO USA