About the Authors

Lubo Gao

Affiliation College of Water and Soil Conservation, Beijing Forestry University, Beijing, P.R. China

Huasen Xu

Affiliation College of Water and Soil Conservation, Beijing Forestry University, Beijing, P.R. China

Huaxing Bi

bhx@bjfu.edu.cn

Affiliations College of Water and Soil Conservation, Beijing Forestry University, Beijing, P.R. China, Key Laboratory of Soil and Water Conservation, Ministry of Education, Beijing, P.R. China

Weimin Xi

Affiliation Department of Biological and Health Sciences, Texas A&M University-Kingsville, Kingsville, Texas, United States of America

Biao Bao

Affiliation College of Water and Soil Conservation, Beijing Forestry University, Beijing, P.R. China

Xiaoyan Wang

Affiliation College of Water and Soil Conservation, Beijing Forestry University, Beijing, P.R. China

Chao Bi

Affiliation College of Water and Soil Conservation, Beijing Forestry University, Beijing, P.R. China

Yifang Chang

Affiliation College of Water and Soil Conservation, Beijing Forestry University, Beijing, P.R. China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LG HX HB BB. Performed the experiments: LG HX HB BB. Analyzed the data: LG HX WX BB XW CB YC. Contributed reagents/materials/analysis tools: XW CB YC. Wrote the paper: LG HB WX.