1. Key Laboratory of Ecosystem Network Observation and Modelling, Institute of Geographic Sciences and Natural Resources, Chinese Academy of Sciences, Beijing 100101, China
2. School of Environmental and Geographical Sciences, Shanghai Normal University, Shanghai 200034, China
3. College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China
4. School of Architecture and Urban Planning, Qingdao University of Technology, Qingdao 266033, China