1. State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and GeographyChinese Academy of Science Urumqi 830011 China
2. Akesu National Station of Observation and Research for Oasis Agro‐ecosystem Akesu 843017 China
3. University of Chinese Academy of Science Beijing 100049 China
4. Xinjiang Institute of Water Resources and Hydropower Research Urumqi 830049 China