1. College of Resources and Environment ScienceXinjiang University Urumqi Xinjiang 830046 PR China
2. Key Laboratory of Oasis EcologyXinjiang University Urumqi Xinjiang 830046 PR China
3. Department of Earth SciencesUniversity of Memphis Memphis TN 38152 USA
4. Department of Physical and Environmental SciencesColorado Mesa University Grand Junction CO 81501 USA
5. Xinjiang Institute of Ecology and GeographyChinese Academy of Sciences Urumqi Xinjiang 830011 PR China
6. Cele National Station of Observation & Research for Desert‐Grassland Ecosystem in Xinjiang Cele Xinjiang 848300 PR China