1. Guangxi Colleges and Universities Key Laboratory for Cultivation and Utilization of Subtropical Forest Plantation, College of Forestry, Guangxi University, Nanning 530004, China
2. State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
3. College of Mechanical Engineering, Guangxi University, Nanning 530004, China
4. International Center for Climate and Global Change Research, College of Forestry, Wildlife and Environment, Auburn University, Auburn, AL 36849, USA
5. Department of Earth and Environmental Sciences, Schiller Institute for Integrated Science and Society, Boston College, Chestnut Hill, MA 02467, USA