Complexity of Functional Urban Spaces Evolution in Different Aspects: Based on Urban Land Use Conversion

Table 1

Urban land use structure in the central city (2003–2015).

Urban land use types	2003		2007		2011		2015
	Area (km^2)	Proportion (%)	Area (km^2)	Proportion (%)	Area (km^2)	Proportion (%)	Area (km^2)	Proportion (%)
RL	66.0	27.8	75.9	26.6	97.4	30.3	108.2	31.0
PL	27.3	11.5	36.8	12.9	32.3	10.0	36.3	10.4
CL	8.8	3.7	12.6	4.4	13.8	4.3	18.5	5.3
IL	54.6	23.0	64.3	22.6	71.9	22.3	75.1	21.6
RL + PL + CL + IL	156.7	66.0	189.6	66.5	215.4	66.9	238.1	68.3
Total	237.4	100	285.0	100	322.1	100	348.6	100