1. State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Institute of Soil and Water Conservation, Northwest A&F University , Yangling, China
2. Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources , Yangling, China
3. School of Geography and Tourism, Shaanxi Normal University , Xi’an, China
4. The Supervision Bureau of Soil and Water Conservation of Yellow River, Xifeng Soil and Water Conservation Scientific Experiment Station of Yellow River Water Conservancy Commission , Xifeng, China