1. State Key Laboratory of Subtropical Silviculture, Zhejiang A & F University, Hangzhou, China
2. Key Laboratory of Carbon Cycling in Forest Ecosystems and Carbon Sequestration of Zhejiang Province, Zhejiang A & F University, Hangzhou, China
3. School of Environmental and Resources Science, Zhejiang A & F University, Hangzhou, China
4. College of Civil Engineering, Hunan University, Changsha, China
5. School of Remote Sensing and Information Engineering, Wuhan University, Wuhan, China