Figure 4

LULC types in the main urban area of Guangzhou from 1987 to 2017. (a) 1987, (b) 1993, (c) 1999, (d) 2005, (e) 2011, (f) 2017. (Software: Arc Map 10.5.0, http://www.esri.com. OriginPro 2017C SR2, https://www.originlab.com/).