1. School of Energy and Power Engineering Inner Mongolia University of Technology Hohhot China
2. Institute of Grassland Research Chinese Academy of Agriculture Sciences Key of Laboratory of Grassland Ecology and Restoration Ministry of Agriculture Hohhot China
3. Inner Mongolia Sunture Environmental Technology Co., Ltd Hohhot China
4. Inner Mongolia Environmental Engineering Assessment Center Hohhot China
5. Ministry of Education Key Laboratory of Ecology and Resource Use of the Mongolian Plateau & Inner Mongolia Key Laboratory of Grassland Ecology School of Ecology and Environment Inner Mongolia University Hohhot China