Key Laboratory of Restoration Ecology of Cold Area in Qinghai Province;
Northwest Institute of Plateau Biology;
Chinese Academy of Sciences;
Xining;
810008;
China;
The Qinghai Institute of Meteorological Science;
Xining;
810001;
China;
Taiyuan Normal University;
Jinzhong;
030619;
China;
University of Chinese Academy of Sciences;
Beijing;
100049;
China;
Qinghai Academy of Social Sciences;
Xining;
810000;
China;
Alpine meadow; Drought stress; Heat stress; Productivity; Photosynthetic characteristics;