1. Xinjiang Institute of Ecology and Geography Chinese Academy of Sciences Xinjiang 830011 China
2. Cele National Station of Observation and Research for Desert‐Grassland Ecosystem, Xinjiang Institute of Ecology and Geography Chinese Academy of Sciences Xinjiang 848300 China
3. University of Chinese Academy of Sciences Beijing China
4. Department of Bioresource Engineering McGill University Saitne‐Anne‐de‐Bellevue H9X 3V9 Canada