1. College of Forestry, Guizhou University, Guiyang 550025, China
2. Xifeng County Bureau of Natural Resources, Guiyang 551100, China
3. International Joint Research Center for Biomass Materials, Southwest Forestry University, Kunming 650224, China
4. Dozheng County Bureau of Forestry, Zunyi 563500, China
5. Zhejiang Academy of Forestry, Hangzhou 310000, China