Landscape Image Layout Optimization Extraction Simulation of 3D Pastoral Complex under Big Data Analysis

Table 2

Statistical table of land type interpretation data [20].

In the class	1992		2000		2008		2016
	Area	Percentage	Area	Percentage	Area	Percentage	Area	Percentage
Grass	1838	1.68	1918	1.75	2093	1.92	2247	2.07
Arable land	32253	29.62	21172	19.45	10453	9.61	6252	5.73
Construction land	54538	50.08	70498	64.73	80493	73.88	84812	77.85
Woodland	16418	15.06	12403	11.38	14563	13.36	14175	13.02
Wetlands and waters	3866	3.54	2928	2.68	1321	1.22	1437	1.31
Unused	18	0.02	11	0.02	9	0.01	6	0.01