1. State Key Laboratory for Soil Erosion and Dryland Farming on the Loes Plateau Institute of Soil and Water Conservation, Chinese Academy of Science and Ministry of Water Resources Yangling Shaanxi China
2. University of Chinese Academy of Sciences Beijing China
3. College of Soil and Water Conservation Science and Engineering (Institute of Soil and Water Conservation) Northwest A&F University Yangling Shaanxi China
4. College of Life Sciences Northwest A&F University Yangling Shaanxi China