1. The Research Center of Soil and Water Conservation and Ecological Environment Chinese Academy of Sciences and Ministry of Education Yangling PR China
2. State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Institute of Soil and Water Conservation Chinese Academy of Sciences and Ministry of Water Resources Yangling PR China
3. Institute of Soil and Water Conservation Northwest A&F University Yangling PR China
4. University of Chinese Academy of Sciences Beijing PR China
5. State Key Laboratory of Subtropical Silviculture Zhejiang A&F University Hangzhou PR China
6. State Key Laboratory of Loess and Quaternary Geology Institute of Earth Environment, Chinese Academy of Sciences Xi'an PR China
7. Lianjiabian Forest Farm Ziwuling Forest Administration Heshui PR China