Open Access
Table 2
The trait of Hainan Island wetlands.
| Class | Type | Area (hectare) | Rate (%) |
|---|---|---|---|
| Coast | Shallow sea | 144695.05 | 45.21 |
| Sea glass bed | 502.55 | 0.16 | |
| Coral reef | 5283.36 | 1.65 | |
| Rocky coast | 4355.27 | 1.36 | |
| Shingle foreshore | 26405.51 | 8.25 | |
| Mudflat beach | 992.55 | 0.31 | |
| Mangrove | 4736.05 | 1.48 | |
| Estuary | 6969.28 | 2.18 | |
| Delta | 22.82 | 0.01 | |
| Lagoon | 7704.32 | 2.41 | |
| River | Permanent river | 35108.59 | 10.97 |
| Flood plain | 4646.46 | 1.45 | |
| Lake | Freshwater lake | 556.91 | 0.17 |
| Swamp | Marshes | 43.68 | 0.01 |
| Constructed wetlands | Reservoirs and ponds | 56738.18 | 17.73 |
| Canals | 840.63 | 0.26 | |
| Aquaculture ponds | 15532.14 | 4.87 | |
| Salt pans | 4863.04 | 1.52 |
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