1. College of Forestry Northwest A&F University Yangling China
2. Key Laboratory of Geospatial Technology for the Middle and Lower Yellow River Regions, The College of Geography and Environmental Science Henan University Kaifeng China
3. Qinling National Forest Research Station Ningshan China
4. Institute of Health Policy, Management and Evaluation University of Toronto Toronto Ontario Canada
5. State Key Laboratory of Crop Stress Biology in Arid Areas, College of Life Sciences Northwest A&F University Yangling China
6. State Key Laboratory of Desert and Oasis Ecology Xinjiang Institute of Ecology and Geography Chinese Academy of Sciences Urumqi China
7. School of Public Health Lanzhou University Lanzhou China
8. Key Laboratory of Forest Ecology and Environment of National Forestry and Grassland Administration, Ecology and Nature Conservation Institute Chinese Academy of Forestry Beijing China