1. School of Geography Sciences; Nanjing Normal University; Wenyuan Road 1, Nanjing 210023 China
2. School of Environmental Sciences and Engineering; Nanjing Tech University; Puzhu Road(s) 30. Nanjing 211816 China
3. Jiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application; Nanjing Normal University; Wenyuan Road 1, Nanjing 210023 China
4. Key Laboratory of Virtual Geographical Environment(VGE); Ministry of Education, Nanjing Normal University; Wenyuan Road 1, Nanjing 210023 China
5. State Key Laboratory Cultivation Base of Geographical Environment Evolution (Jiangsu Province); Wenyuan Road 1, Nanjing 210023 China
6. Department of Plant Ecology; Justus-Liebig University Giessen; Heinrich-Buff-Ring 26, 35392 Giessen Germany
7. School of Biology and Environmental Science and Earth Institute; University College Dublin; Dublin 4, Dublin Ireland