1. Yinshanbeilu Grassland Eco‐Hydrology National Observation and Research Station China Institute of Water Resources and Hydropower Research Beijing 100038 China
2. Key Laboratory of Grassland Resources of the Ministry of Education, College of Grassland, Resources and Environment Inner Mongolia Agricultural University Hohhot Inner Mongolia 010018 China
3. East Asia Office of Alliance of Bioversity International and CIAT, Bioversity International Beijing 100081 China
4. China Institute of Agricultural Resources and Regional Planning Chinese Academy of Agricultural Sciences Beijing 100081 China