Synthesis Research Centre of Chinese Ecosystem Research Network,Key Laboratory of Ecosystem Network Observation and Modelling,Institute of Geographic Sciences and Natural Resources Research,Chinese Academy of Sciences,Beijing 100101,China;
State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau,Institute of Soil and Water Conservation,Northwest A&F University,Yangling 712100,China;
Arid Land Research Center,Tottori University,Tottori 6800001,Japan;
School of Soil and Water Conservation,Beijing Forestry University,Beijing 100083,China;
belowground biomass; soil properties; plant community structure; degradation; alpine meadow; Tibetan Plateau;