1. Synthesis Research Centre of Chinese Ecosystem Research Network Key Laboratory of Ecosystem Network Observation and Modelling Institute of Geographic Sciences and Natural Resources Research Chinese Academy of Sciences Beijing China
2. State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau Institute of Soil and Water Conservation Northwest A&F University Yangling China
3. Northwest Institute of Plateau Biology Qinghai Provincial Key Laboratory of Restoration Ecology of Cold Area Chinese Academy of Sciences Xining China
4. Department of Ecology, Evolution, and Natural Resources School environmental and Biological Sciences Rutgers University New Brunswick NJ USA
5. Institute of Tibetan Plateau Research Chinese Academy of Sciences Beijing China
6. School of Soil and Water Conservation Beijing Forestry University Beijing China