Table 4: Comparison of land use in the Dongjiang basin during two different periods.

Land useThe year 1980 The year 2000 (km2) Ratio (%)
Area (km2) Ratio (%) Area (km2) Ratio (%)

Farmland 6083.49 22.33 7272.73 26.69 1189.24 4.36
Garden 1619.14 5.94 896.70 3.29 −722.44 −2.65
Forest 17586.88 64.56 16939.87 62.18 −647.01 −2.38
Meadow 1282.74 4.71 947.14 3.48 −335.60 −1.23
Built-up 30.02 0.12 682.25 2.5 652.23 2.38
Waters 619.99 2.28 480.12 1.79 −139.87 −0.49
Unutilized land 17.38 0.06 20.80 0.07 3.42 0.01