1. Jiangsu Academy of Forestry, Nanjing 211153, China
2. Zhejiang Academy of Forestry, Hangzhou 310023, China
3. Collaborative Innovation Center of Sustainable Forestry in Southern China of Jiangsu Province, Nanjing Forestry University, Nanjing 210037, China
4. Fu Foundation School of Engineering and Applied Science, Columbia University, New York, NY 10027, USA
5. College of Economics and Management of Nanjing Agricultural University, Nanjing 210095, China