About the Authors

Bi-Cheng Dong

Affiliation College of Nature Conservation, Beijing Forestry University, Haidian District, Beijing, China

Rui-Hua Liu

Affiliation College of Nature Conservation, Beijing Forestry University, Haidian District, Beijing, China

Qian Zhang

Affiliation College of Nature Conservation, Beijing Forestry University, Haidian District, Beijing, China

Hong-Li Li

Affiliation College of Nature Conservation, Beijing Forestry University, Haidian District, Beijing, China

Ming-Xiang Zhang

Affiliation College of Nature Conservation, Beijing Forestry University, Haidian District, Beijing, China

Guang-Chun Lei

Affiliation College of Nature Conservation, Beijing Forestry University, Haidian District, Beijing, China

Fei-Hai Yu

feihaiyu@bjfu.edu.cn

Affiliation College of Nature Conservation, Beijing Forestry University, Haidian District, Beijing, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: B-CD L-HL M-XZ G-CL F-HY. Performed the experiments: B-CD R-HL QZ. Analyzed the data: B-CD R-HL QZ F-HY. Contributed reagents/materials/analysis tools: L-HL M-XZ G-CL. Wrote the paper: B-CD F-HY.