1. Key Laboratory of Extreme Environmental Microbial Resources and Engineering, Gansu Province, Lanzhou 730000, PR China
2. State Key Laboratory of Cryospheric Sciences, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou 730000, PR China
3. University of Chinese Academy of Sciences, No. 19A Yuquan Road, Beijing 100049, PR China
4. College of Geography and Environment Science, Northwest Normal University, Lanzhou 730070, PR China
5. Institute of Applied Magnetics, Key Laboratory for Magnetism and Magnetic Materials of the Ministry of Education, Lanzhou University, Lanzhou 730000, PR China
6. Key Laboratory of Desert and Desertification, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou 730000, PR China