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