About the Authors

Zhongfan Zhu

Affiliation College of Water Sciences, Beijing Normal University, Beijing, China

Hongrui Wang

Affiliation College of Water Sciences, Beijing Normal University, Beijing, China

Jingshan Yu

jingshanyubnu@163.com

Affiliation College of Water Sciences, Beijing Normal University, Beijing, China

Jie Dou

Affiliation Department of Natural Environmental Studies, The University of Tokyo, Kashiwa, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ZZ JY. Performed the experiments: ZZ JY HW. Analyzed the data: ZZ JY HW. Contributed reagents/materials/analysis tools: ZZ JY JD. Wrote the paper: ZZ JY HW.