About the Authors

Junjian Li

Affiliations Institute of Loess Plateau, Shanxi University, Taiyuan Shanxi, China, State Key Laboratory of Urban and Regional Ecology, Research Centre for Eco-environmental Sciences, Chinese Academy of Sciences, Beijing, China

Yuanming Zheng

Affiliation State Key Laboratory of Urban and Regional Ecology, Research Centre for Eco-environmental Sciences, Chinese Academy of Sciences, Beijing, China

Junxia Yan

Affiliation Institute of Loess Plateau, Shanxi University, Taiyuan Shanxi, China

Hongjian Li

Affiliation Institute of Loess Plateau, Shanxi University, Taiyuan Shanxi, China

Xiang Wang

Affiliation Biology Institute of Shanxi, Taiyuan Shanxi, China

Jizheng He

jzhe@rcees.ac.cn

Affiliation State Key Laboratory of Urban and Regional Ecology, Research Centre for Eco-environmental Sciences, Chinese Academy of Sciences, Beijing, China

Guangwei Ding

Affiliation Chemistry Department, Northern State University, Aberdeen, South Dakota, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JL HL JH. Performed the experiments: JL JY. Analyzed the data: JL YZ. Contributed reagents/materials/analysis tools: XW YZ JH. Wrote the paper: JL JH GD.