About the Authors

Taijun Li

Affiliation College of Forestry, Northwest Agriculture and Forestry University, Yang Ling, Shaanxi, China

Bowen Ren

Affiliation College of Forestry, Northwest Agriculture and Forestry University, Yang Ling, Shaanxi, China

Dahui Wang

Affiliation College of veterinary medicine, Northwest Agriculture and Forestry University, Yang Ling, Shaanxi, China

Guobin Liu

gbliu@ms.iswc.ac.cn

Affiliations College of Forestry, Northwest Agriculture and Forestry University, Yang Ling, Shaanxi, China, Institute of Water and Soil Conservation, Chinese Academy of Sciences, Yang Ling, Shaanxi, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: GBL TJL. Performed the experiments: TJL BWR. Analyzed the data: TJL DHW BWR. Contributed reagents/materials/analysis tools: GBL BWR DHW. Wrote the paper: TJL.