1. State
Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of
Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China
2. Graduate University
of the Chinese Academy of Sciences, Beijing 100039, China
3. Department
of Environmental Science and Engineering, Fudan University, Shanghai 200433, China
4. College
of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China
5. College
of Environmental Sciences and Engineering, Peking University, Beijing 100871, China
6. Centre for
Ecology and Hydrology Edinburgh, Bush Estate, Penicuik, Midlothian EH26
0QB, U.K.