1. Key Laboratory of Forest Plant Ecology Ministry of Education, Northeast Forestry University, Harbin, P.R. China
2. College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin, P.R. China
3. Collaborative Innovation Centre for Development and Utilization of Forest Resources, Harbin, P.R. China
4. Engineering Research Centre of Forest Bio-Preparation Ministry of Education, Northeast Forestry University, Harbin, P.R. China
5. State Engineering Laboratory for Bio-Resource Eco-Utilization, Northeast Forestry University, Harbin, P.R. China