Data Zone
The site was identified as internationally important for bird conservation in 2002 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.
Populations meeting IBA criteria ('trigger species') at the site:| Species | Red List | Season (year/s of estimate) | Size | IBA criteria |
|---|---|---|---|---|
| Black-faced Spoonbill Platalea minor | EN | winter (1993–1997) | 21–41 birds | A1, A4i |
| Chinese Egret Egretta eulophotes | VU | passage (1993–1994) | 2–3 birds | A1 |
| Spot-billed Pelican Pelecanus philippensis | NT | non-breeding (1994) | 4 birds | A1 |
| Charadrius mongolus | NR | passage (1994) | 2,000 birds | A4i |
| Spoon-billed Sandpiper Calidris pygmaea | CR | passage (1994) | 7 birds | A1 |
| Spotted Redshank Tringa erythropus | LC | passage (1994–1996) | 700–750 birds | A4i |
| Spotted Greenshank Tringa guttifer | EN | passage (1994–1996) | 2–5 birds | A1 |
| Saunders's Gull Saundersilarus saundersi | VU | winter (1994–2001) | 104–260 birds | A1, A4i |
| A4iii Species group - waterbirds | n/a | passage (1994) | 30,000 birds | A4iii |
Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2002. The most recent assessment (2016) is shown below.
| IBA conservation assessment | |||
|---|---|---|---|
| Year of assessment | State | Pressure | Response |
| 2016 | very poor | very high | very low |
| Whole site assessed? | State assessed by | Accuracy of information | |
| yes | habitat | medium | |
| State (condition of the trigger species' habitats) | |||
|---|---|---|---|
| Habitat | Quantity (% remaining) | Quality (% carrying capacity) | Result |
| Marine Coastal/Supratidal | - | very poor (<40%) | very poor |
| Pressure (threats to the trigger species and/or their habitats) | ||||
|---|---|---|---|---|
| Threat | Timing | Scope | Severity | Result |
| Agricultural expansion and intensification | happening now | whole of population/area (>90%) | rapid decline (>30% over 3 generations) | very high |
| Human intrusions and disturbance | happening now | whole of population/area (>90%) | rapid decline (>30% over 3 generations) | very high |
| Biological resource use | happening now | whole of population/area (>90%) | rapid decline (>30% over 3 generations) | very high |
| Natural system modifications | happening now | whole of population/area (>90%) | rapid decline (>30% over 3 generations) | very high |
| Transportation and service corridors | happening now | most of population/area (50–90%) | moderate decline (10–30% over 3 generations) | high |
| Response (conservation actions taken for the trigger species and/or their habitats) | |||
|---|---|---|---|
| Designation | Planning | Action | Result |
| Little/none of area covered (<10%) | No management planning has taken place | Very little or no conservation action taking place | very low |
| Year | Protected Area | Designation (management category) | % coverage of IBA |
|---|---|---|---|
| 2004 | Red River Delta | UNESCO-MAB Biosphere Reserve (UA) | 100 |
| Habitat | % of IBA | Habitat detail |
|---|---|---|
| Artificial/Aquatic & Marine | 24 | |
| Forest | 21 | Mangrove forest (tropical) |
| Marine Intertidal | 20 | |
| Marine Neritic | 20 | |
| Marine Coastal/Supratidal | 15 |
| Land use | % of IBA |
|---|---|
| fisheries/aquaculture | 74 |
| not utilised | 20 |
| other | 6 |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Nghia Hung (Vietnam). Downloaded from
https://datazone.birdlife.org/site/factsheet/nghia-hung-iba-vietnam on 22/12/2024.