About the Authors
- Xiaochun Wang
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* E-mail: wangxc-cf@nefu.edu.cn
Affiliation College of Forestry, Northeast Forestry University, Harbin, Heilongjiang, China
- Peter M. Brown
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Affiliation Rocky Mountain Tree-Ring Research, Fort Collins, Colorado, United States of America
- Yanni Zhang
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Affiliation College of Landscape Architecture, Northeast Forestry University, Harbin, Heilongjiang, China
- Laiping Song
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Affiliation College of Forestry, Northeast Forestry University, Harbin, Heilongjiang, China
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: XW. Performed the experiments: YZ LS. Analyzed the data: YZ LS. Contributed reagents/materials/analysis tools: XC. Wrote the paper: XC PB. Interpreted data and revised important content: PB.