Analysis on the Spatio-Temporal Characteristics of Urban Expansion and the Complex Driving Mechanism: Taking the Pearl River Delta Urban Agglomeration as a Case

Table 1

Sources of urban expansion land in the Pearl River Delta urban agglomeration during 2000–2008 (km²).

Region	Farmland	Forest land	Grassland	Water	Sum
Guangzhou	400.42	121.67	0.65	23.11	545.85
Shenzhen	114.42	70.24	0	29.65	214.31
Zhuhai	51.67	12.55	0.75	12.04	77
Foshan	297.03	49.77	0	153.3	500.1
Jiangmen	44.87	55.06	0.92	22.72	123.56
Zhaoqing	42.86	36.56	0	11.65	91.08
Huizhou	214.24	73.34	1.12	10.03	298.73
Dongguan	465.65	104.65	0	44.01	614.32
Zhongshan	112.65	38.39	0	93.35	244.39
PRD	1743.81	562.23	3.43	399.86	2709.34