1. Forestry College, Guangxi University, Nanning, Guangxi, China
2. Key Laboratory of National Forestry Bureau for Fast-growing Wood Breeding in Central South China, Guangxi University, Nanning, Guangxi, China
3. Guangxi Key Laboratory of Forest Ecology and Conservation, Forestry College, Guangxi University, Nanning, Guangxi, China
4. Public Management College, Guangxi University, Nanning, Guangxi, China
5. Nanning Water Resources Management Service Center, Nanning, Guangxi, China