Soil stoichiometry characteristics of alpine meadow at its different degradation stages.
LUO Ya-yong1**, ZHANG Yu1, ZHANG Jing-hui1, KA Zhao-jia2, SHANG Lun-yu1, WANG Shao-ying1
1Key Laboratory of Land Surface Process and Climate Change in Cold and Arid Regions, Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, China; 2Hequ Horse Farm in South Gansu Tibetan Autonomous Prefecture, Gannan 747300, Gansu, China