Evolution of Green Space Based on Remote Sensing Images in Zhengdong New District

Table 5

Transfer matrix of land use types in 2011-2015 (unit: km²).

Land use types	Grassland	Cultivated land	Construction land	Woodland	Bare land	Water body	Area reduction	Total area change
Grassland	—	16.77	24.27	4.22	0.33	1.48	47.07	-7.84
Cultivated land	18.73	—	30.30	15.54	0.31	2.80	67.67	-19.70
Construction land	12.18	8.01	—	3.28	0.47	3.30	27.24	45.96
Woodland	3.12	16.04	5.15	—	0.05	0.87	25.23	0.12
Bare land	0.58	0.13	2.45	0.01	—	0.00	3.18	-2.00
Water body	4.61	7.04	11.03	2.30	0.03	—	25.00	-16.54
Area increase	39.23	47.98	73.20	25.35	1.18	8.46	—	—

Note: the horizontal data in the table are the data of land use types in 2011, and the vertical data in the table are the data of land use types in 2015. All vertical data are the increase in land use types from 2011 to 2015, and all horizontal data are the decrease in land use types from 2011 to 2015.