1. Yanchi Research Station School of Soil and Water Conservation Beijing Forestry University Beijing China
2. Key Laboratory of State Forestry Administration on Soil and Water Conservation Beijing Forestry University Beijing China
3. State Key Laboratory of Grassland Agro‐ecosystems School of Life Sciences Lanzhou University Lanzhou China
4. Yuzhong Mountain Ecosystem Field Observation and Research Station Lanzhou University Lanzhou China
5. Engineering Research Center of Forestry Ecological Engineering Ministry of Education Beijing Forestry University Beijing China