Table 2

The scale and proportion of various landscapes in the study area

YearLandscape typeYangtze River Delta
Shanghai
Jiangsu
Zhejiang
Anhui
Area (km2)PercentageArea (km2)PercentageArea (km2)PercentageArea (km2)PercentageArea (km2)Percentage
2000 Cropland 197,428 0.56 4,474 0.57 75,096 0.73 34,644 0.34 83,223 0.59 
Woodland 96,572 0.27 2 / 2,202 0.02 57,414 0.56 36,952 0.26 
Grassland 7,464 0.02 18 / 433 / 4,074 0.04 2,946 0.02 
Wetland 2,048 0.01 126 0.02 814 0.01 251 / 859 0.01 
Waters 23,903 0.07 1,484 0.19 13,396 0.13 2,741 0.03 6,284 0.04 
Built-in land 25,532 0.08 1,807 0.23 10,330 0.10 3,650 0.03 9,748 0.07 
2010 Cropland 191,132 0.54 3,682 0.46 72,370 0.71 33,090 0.32 81,991 0.59 
Woodland 95,907 0.27 10 / 2,108 0.02 57,227 0.55 36,566 0.26 
Grassland 7,767 0.02 21 / 728 0.01 3,947 0.04 3,078 0.02 
Wetland 1,723 0.01 231 0.03 614 0.01 350 / 529 / 
Waters 24,413 0.07 1,374 0.17 13,386 0.13 2,847 0.03 6,812 0.05 
Built-in land 32,859 0.09 2,738 0.34 13,171 0.13 5,907 0.06 11,043 0.08 
2020 Cropland 175,001 0.49 3,107 0.38 64,642 0.63 27,732 0.27 79,519 0.57 
Woodland 95,895 0.27 101 0.01 2,447 0.02 57,238 0.55 36,116 0.26 
Grassland 7,748 0.02 111 0.01 673 0.01 3,858 0.04 3,106 0.02 
Wetland 1,519 0.01 250 0.03 584 0.01 148 / 540 / 
Waters 26,262 0.07 1,321 0.16 14,075 0.14 4,220 0.04 6,646 0.05 
Built-in land 47,902 0.14 3,189 0.39 20,201 0.20 10,432 0.10 14,082 0.10 
YearLandscape typeYangtze River Delta
Shanghai
Jiangsu
Zhejiang
Anhui
Area (km2)PercentageArea (km2)PercentageArea (km2)PercentageArea (km2)PercentageArea (km2)Percentage
2000 Cropland 197,428 0.56 4,474 0.57 75,096 0.73 34,644 0.34 83,223 0.59 
Woodland 96,572 0.27 2 / 2,202 0.02 57,414 0.56 36,952 0.26 
Grassland 7,464 0.02 18 / 433 / 4,074 0.04 2,946 0.02 
Wetland 2,048 0.01 126 0.02 814 0.01 251 / 859 0.01 
Waters 23,903 0.07 1,484 0.19 13,396 0.13 2,741 0.03 6,284 0.04 
Built-in land 25,532 0.08 1,807 0.23 10,330 0.10 3,650 0.03 9,748 0.07 
2010 Cropland 191,132 0.54 3,682 0.46 72,370 0.71 33,090 0.32 81,991 0.59 
Woodland 95,907 0.27 10 / 2,108 0.02 57,227 0.55 36,566 0.26 
Grassland 7,767 0.02 21 / 728 0.01 3,947 0.04 3,078 0.02 
Wetland 1,723 0.01 231 0.03 614 0.01 350 / 529 / 
Waters 24,413 0.07 1,374 0.17 13,386 0.13 2,847 0.03 6,812 0.05 
Built-in land 32,859 0.09 2,738 0.34 13,171 0.13 5,907 0.06 11,043 0.08 
2020 Cropland 175,001 0.49 3,107 0.38 64,642 0.63 27,732 0.27 79,519 0.57 
Woodland 95,895 0.27 101 0.01 2,447 0.02 57,238 0.55 36,116 0.26 
Grassland 7,748 0.02 111 0.01 673 0.01 3,858 0.04 3,106 0.02 
Wetland 1,519 0.01 250 0.03 584 0.01 148 / 540 / 
Waters 26,262 0.07 1,321 0.16 14,075 0.14 4,220 0.04 6,646 0.05 
Built-in land 47,902 0.14 3,189 0.39 20,201 0.20 10,432 0.10 14,082 0.10 

Note: Values less than 0.01 in the table are omitted by /.

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