1. 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
2. College of Urban and Environmental Sciences Northwest University Xi'an PR China
3. Institute of Soil and Water Conservation University of Chinese Academy of Sciences Beijing PR China
4. Department of Geography University of Liège Liège Belgium
5. Division of Geography and Tourism, Department of Earth and Environmental Sciences KU Leuven Heverlee Belgium
6. Institute of Soil and Water Conservation Northwest A&F University Yangling PR China
7. School of Geographical Sciences China West Normal University Nanchong PR China