1. School of Urban and Environmental Sciences, Huaiyin Normal University, Huai’an, Jiangsu, China
2. Key Laboratory of Carrying Capacity Assessment for Resource and Environment, Ministry of Natural Resources (Chinese Academy of Natural Resource Economics, China University of Geosciences Beijing, Institute of Geographical Sciences and Natural Resource Research, the Chinese Academy of Sciences), Beijing, China
3. Key Laboratory of Coast and Island Development (Nanjing University), Ministry of Education, Nanjing, Jiangsu, China