Table 4 Area (km2) and ratio (%) of land use types in mining urban agglomerations from 1990–2020.
Land use types | Cultivated land | Forestland | Grassland | Water body | Construction land | Unutilized land | |
|---|---|---|---|---|---|---|---|
1990 | Area | 29544.31 | 71260.78 | 3226.10 | 1146.12 | 933.87 | 10.61 |
Ratio | 27.84 | 67.15 | 3.04 | 1.08 | 0.88 | 0.01 | |
1995 | Area | 29151.66 | 71430.58 | 3183.65 | 1273.46 | 1061.22 | 21.22 |
Ratio | 27.47 | 67.31 | 3.00 | 1.20 | 1.00 | 0.02 | |
2000 | Area | 29342.67 | 71101.60 | 3194.27 | 1390.20 | 1071.83 | 21.22 |
Ratio | 27.65 | 67.00 | 3.01 | 1.31 | 1.01 | 0.02 | |
2005 | Area | 29215.33 | 71112.21 | 3183.65 | 1400.81 | 1188.56 | 21.22 |
Ratio | 27.53 | 67.01 | 3.00 | 1.32 | 1.12 | 0.02 | |
2010 | Area | 28801.45 | 71218.33 | 3003.25 | 1432.64 | 1655.50 | 21.22 |
Ratio | 27.14 | 67.11 | 2.83 | 1.35 | 1.56 | 0.02 | |
2015 | Area | 28652.88 | 71133.43 | 2971.41 | 1432.64 | 1910.19 | 21.22 |
Ratio | 27.00 | 67.03 | 2.80 | 1.35 | 1.80 | 0.02 | |
2020 | Area | 28419.41 | 70984.86 | 2939.57 | 1453.87 | 2313.45 | 10.61 |
Ratio | 26.78 | 66.89 | 2.77 | 1.37 | 2.18 | 0.01 | |