1. Urat Desert‐grassland Research Station, Northwest Institute of Eco‐Environment and Resources Chinese Academy of Sciences Lanzhou China
2. Key Laboratory of Stress Physiology and Ecology Lanzhou China
3. Naiman Desertification Research Station, Northwest Institute of Eco‐Environment and Resources Chinese Academy of Sciences Lanzhou China
4. State key Laboratory of Grassland Agro‐Ecosystems College of Pastoral Agriculture Sciences and Technology Lanzhou University Lanzhou China
5. Department of Biology and Graduate Degree Program in Ecology Colorado State University Fort Collins Colorado USA
6. Institute of Applied Ecology Chinese Academy of Sciences Shenyang China
7. Department of Geography The George Washington University Washington District of Columbia USA
8. National Hulunber Grassland Ecosystem Observation and Research Station, Institute of Agricultural Resources and Regional Planning Chinese Academy of Agricultural Sciences Beijing China
9. School of Grassland Science Beijing Forestry University Beijing China