1. State Key Laboratory of Soil Erosion and Dryland Farming on Loess Plateau Institute of Soil and Water Conservation Chinese Academy of Sciences and Ministry of Water Resources Shaanxi PR China
2. Institute of Soil and Water Conservation Northwest A & F University Shaanxi PR China
3. University of Chinese Academy of Sciences Beijing PR China
4. National Forestry and Grassland Administration Key Laboratory of Forest Resources Conservation and Ecological Safety on the Upper Reaches of the Yangtze River & Forestry Ecological Engineering in the Upper Reaches of the Yangtze River Key Laboratory of Sichuan Province Sichuan Agricultural University Chengdu PR China
5. The Key Laboratory for Silviculture and Conservation of Ministry of Education College of Forestry Beijing Forestry University Beijing PR China