About the Authors

Bi-Cheng Dong

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

Ming-Xiang Zhang

zmx1972@126.com (M-XZ); feihaiyu@bjfu.edu.cn (F-HY)

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

Peter Alpert

Affiliation Biology Department, University of Massachusetts, Amherst, Massachusetts, United States of America

Guang-Chun Lei

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

Fei-Hai Yu

zmx1972@126.com (M-XZ); feihaiyu@bjfu.edu.cn (F-HY)

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

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: BCD MXZ GCL FHY. Performed the experiments: BCD. Analyzed the data: BCD FHY. Contributed reagents/materials/analysis tools: MXZ GCL FHY. Wrote the paper: BCD PA FHY.