Landscape Pattern and Ecological Security Assessment and Prediction Using Remote Sensing Approach

Table 5

LULC change of Zhengzhou city from 1986 to 1996.

Land type	Area (ha)		Changing amplitude	Changing speed
	1986	1996	(%)	(%)
Water body	213,439.5	167,060.7	−21.73%	−2.17%
Vegetation	3,387,718.8	4,073,481.9	20.24%	2.02%
Building area	626,895.9	822,069.9	31.13%	3.11%
Agricultural land	2,101,129.2	908,448.3	−56.76%	−5.68%
Bare land	1,170,585	1,528,706.7	30.59%	3.06%
Integrated dynamic degree			21.65%