Open Access
Table 4
Ecosystem service values of each wetland types in the northeastern part of Vietnam in 2019 (Unit: Thousand USD per year).
| Ecosystem service value | Total value | Ecosystems | ||||||
|---|---|---|---|---|---|---|---|---|
| Shallow marine waters | Marine subtidal aquatic beds; and Sand or shingle shores | Estuarine waters | Intertidal forested wetlands | Seasonal flooded agriculture lands | Aquaculture and farm ponds | Rocky marine shores | ||
| A - Direct use value (DUV) | 352.465,67 | 65,596.33 | 115,146.34 | 67,502.18 | 5,659.91 | 56,057.06 | 42,503.85 | - |
| Value of capture fisheries production | 71,026.22 | 2,697.20 | 32,366.38 | 30,568.25 | 5,394.40 | - | - | - |
| Value of aquaculture production | 72,325.10 | - | 19,880.83 | 5,484.37 | - | 4,456.05 | 42,503.85 | - |
| Value of aquatic bird production | 3,237.21 | - | - | - | - | 3,237.21 | - | - |
| Value of wet rice production | 48,363.80 | - | - | - | - | 48,363.80 | - | - |
| Beekeeping (or apiculture) | 265.52 | - | - | - | 265.52 | - | - | - |
| Tourism and recreation | 157,247.83 | 62,899.13 | 62,899.13 | 31,449.57 | - | - | - | - |
| B - Indirect use value (IUV) | 23,962.49 | 9,360.52 | 8,205.88 | 3,269.53 | 1,250.13 | 614.06 | 1,262.38 | - |
| Natural hazard mitigation and adaptation value | 4,397.58 | - | 2,110.84 | 2,110.84 | - | 175.90 | - | - |
| Value of carbon sequestration | 19,564.92 | 9,360.52 | 6,095.04 | 1,158.69 | 1,250.13 | 438.16 | 1,262.38 | - |
| C - Option value | 4,024.80 | - | 804.96 | - | 2,414.88 | 402.48 | 402.48 | - |
| Option value | 4,024.80 | - | 804.96 | - | 2,414.88 | 402.48 | 402.48 | - |
| D - Non-use value (NUV) | 12,354.74 | - | 763.35 | - | 9,883.79 | 1,707.60 | - | - |
| Bequest value | 3,816.76 | - | 763.35 | - | 3,053.41 | - | - | - |
| Existence Value | 8,537.98 | - | - | - | 6,830.39 | 1,707.60 | - | - |
| Total WES value | 392,807.71 | 74,956.85 | 124,920.53 | 70,771.70 | 19,208.71 | 58,781.20 | 44,168.71 | - |
| Area of wetland ecosystem (ha) | 377,792.82 | 193,399.20 | 69,522.55 | 39,872.25 | 17,953.83 | 33,193.90 | 20,865.80 | 2,985.29 |
| WES value per 1ha | 1.04 | 0.39 | 1.80 | 1.77 | 1.07 | 1.77 | 2.12 | - |
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