About the Authors

Deqin Fan

Affiliations State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University, Beijing 100875, China, College of Resources Science & Technology, Beijing Normal University, Beijing 100875, China

Wenquan Zhu

zhuwq75@bnu.edu.cn

Affiliations State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University, Beijing 100875, China, College of Resources Science & Technology, Beijing Normal University, Beijing 100875, China

Zhoutao Zheng

Affiliations State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University, Beijing 100875, China, College of Resources Science & Technology, Beijing Normal University, Beijing 100875, China

Donghai Zhang

Affiliations State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University, Beijing 100875, China, College of Resources Science & Technology, Beijing Normal University, Beijing 100875, China

Yaozhong Pan

Affiliations State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University, Beijing 100875, China, College of Resources Science & Technology, Beijing Normal University, Beijing 100875, China

Nan Jiang

Affiliations State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University, Beijing 100875, China, College of Resources Science & Technology, Beijing Normal University, Beijing 100875, China

Xiafei Zhou

Affiliations State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University, Beijing 100875, China, College of Resources Science & Technology, Beijing Normal University, Beijing 100875, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: WQZ DQF. Performed the experiments: WQZ DQF ZTZ DHZ XFZ. Analyzed the data: WQZ DQF YZP NJ. Contributed reagents/materials/analysis tools: DQF WQZ XFZ. Wrote the paper: DQF WQZ. Designed the software used in analysis: DQF XFZ.