Evolution and Influencing Factors of Township Spatial Form: A Two-Dimensional Perspective

Table 3

Land-use compactness index of Ciyutuo Subdistrict.

	Perimeter of built-up area (m)	The compactness index (BCI)
2009	41,248.31	0.414
2014	43,580.32	0.415
2019	46,033.89	0.454