Table 6 Changes in total land use area and dynamic index (DI)
Land use | 2006 | 2012 | 2020 | 2006–2012 | 2012–2020 | 2006–2020 | |||
|---|---|---|---|---|---|---|---|---|---|
Area (ha) | Area (ha) | Area (ha) | Area (ha) | DI (%) | Area (ha) | DI (%) | Area (ha) | DI (%) | |
Farmland | 16147.76 | 14399.99 | 14611.77 | −1747.76 | −1.80 | 211.78 | 0.18 | −1535.99 | −0.68 |
Orchard | 1074.99 | 1051.25 | 1392.08 | −23.75 | −0.37 | 340.83 | 4.05 | 317.09 | 2.11 |
Forest | 23309.50 | 23696.07 | 22651.10 | 386.57 | 0.28 | −1044.97 | −0.55 | −658.40 | −0.20 |
Grassland | 1079.19 | 539.71 | 976.77 | −539.48 | −8.33 | 437.06 | 10.12 | −102.42 | −0.68 |
Water | 2581.26 | 2235.89 | 2042.89 | −345.37 | −2.23 | −193.00 | −1.08 | −538.37 | −1.49 |
Construction | 7358.99 | 10247.90 | 10606.86 | 2888.91 | 6.54 | 358.96 | 0.44 | 3247.87 | 3.15 |
Others | 1962.47 | 2141.24 | 1947.97 | 178.77 | 1.52 | −193.27 | −1.13 | −14.50 | −0.05 |
Tidal marsh | 2445.62 | 1647.73 | 1730.34 | −797.89 | −5.44 | 82.62 | 0.63 | −715.28 | −2.09 |