1. School of Architecture and Urban-Rural Planning, Fuzhou University, Fuzhou 350108, China
2. Institute of Environmental Planning, Leibniz University Hannover, Herrenhäuser Str. 2, 30419 Hanover, Germany
3. Department of Forest Resources Management, University of British Columbia, Vancouver, BC V6T 1Z4, Canada
4. School of Architecture, Southeast University, Nanjing 210096, China