1. State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau Northwest A&F University Yangling Shaanxi China
2. Center of CEF/ESCER Department of Biological Science University of Quebec at Montreal Montreal QC Canada
3. Institute of Soil and Water Conservation Chinese Academy of Sciences and Ministry of Water Resources Yangling Shaanxi China
4. School of Geography and Information Engineering China University of Geosciences Wuhan China
5. Wondo Genet College of Forestry and Natural Resources Hawassa University Shashemene Ethiopia
6. State Key Laboratory of Loess and Quaternary Geology Institute of Earth Environment Chinese Academy of Sciences Xi'an Shaanxi China
7. State Key Laboratory of Subtropical Silviculture Zhejiang A&F University Hangzhou Zhejiang China