1 State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China; Akesu National Station of Observation and Research for Oasis Agro-ecosystem, Akesu 843017, China.
2 State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China; University of Chinese Academy of Sciences, Beijing 100049, China.
3 State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China. Electronic address: chenyn@ms.xjb.ac.cn.
4 School of Geography and Tourism, Qufu Normal University, Rizhao 276826, China.
5 State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China.
6 College of Geography and Remote Sensing Sciences, Xinjiang University, Urumqi 830046, China; College of Biology and Geography, Yili Normal University, Yining 835000, China.