1. State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
2. Computational and Applied Vegetation Ecology [CAVElab], Department of Environment, Faculty of Bioscience Engineering, Ghent University, 9000 Gent, Belgium
3. State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
4. Command Center for Comprehensive Survey of Natural Resources, China Geological Survey Bureau, Beijing 100055, China