Table 4.
Fluctuation of the wetland ecosystem cover in the Dong Rui commune during 1990–2000 (unit: ha).
| Year | In 2000 | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| In 1990 | Wetland ecosystem cover | Mangrove | Plantation forest | Water surface | Aquaculture lagoon | Agricultural land | Rural land | Others land | Total |
| Mangrove | 1,389.37 | 3.20 | 73.11 | 1,182.00 | 12.42 | 0.00 | 41.58 | 2,701.68 | |
| Plantation forest | 0.50 | 29.67 | 0.11 | 6.54 | 0.06 | 0.00 | 0.18 | 37.06 | |
| Water surface | 27.58 | 3.03 | 1,518.63 | 13.52 | 6.42 | 0.00 | 4.19 | 1,573.37 | |
| Aquaculture lagoon | 23.83 | 1.26 | 1.78 | 85.74 | 7.46 | 0.00 | 5.29 | 125.36 | |
| Agricultural land | 0.05 | 0.00 | 0.43 | 49.61 | 181.10 | 19.03 | 44.08 | 294.30 | |
| Rural land | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 15.95 | 0.00 | 15.95 | |
| Others land | 0.16 | 0.26 | 54.00 | 68.47 | 7.79 | 23.60 | 154.28 | ||
| Total | 1,441.49 | 37.16 | 1,594.32 | 1,391.41 | 275.93 | 42.77 | 118.92 | 4,902.00 | |
(Values show the area of converted land use from 1990 to 2000).