Data Zone
The site was identified as internationally important for bird conservation in 2010 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 |
|---|---|---|---|---|
| Mute Swan Cygnus olor | LC | passage (1995–2003) | 1,800–3,500 birds | C3 |
| Greater White-fronted Goose Anser albifrons | LC | passage (2006) | 15,600 birds | C3 |
| Smew Mergellus albellus | LC | passage (2006–2009) | 500–2,000 birds | C2 |
| Spotted Crake Porzana porzana | LC | breeding (1995–2003) | 20–100 males | C6 |
| Great Cormorant Phalacrocorax carbo | LC | breeding (2009) | 8,918–10,226 pairs | C3 |
| Little Gull Hydrocoloeus minutus | LC | passage (2006–2009) | 400–5,500 birds | C2 |
| Black Tern Chlidonias niger | LC | breeding (2006–2009) | 80–160 pairs | C6 |
| White-tailed Sea-eagle Haliaeetus albicilla | LC | breeding (2006–2009) | 8–10 pairs | C6 |
| A4iii Species group - waterbirds | n/a | passage (2006–2008) | 22,000–26,000 birds | C4 |
Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2010. The most recent assessment (2019) is shown below.
| IBA conservation assessment | |||
|---|---|---|---|
| Year of assessment | State | Pressure | Response |
| 2019 | not assessed | very high | not assessed |
| Whole site assessed? | State assessed by | Accuracy of information | |
| yes | unset | good | |
| 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 |
| Invasive and other problematic species and genes | 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%) | rapid decline (>30% over 3 generations) | very high |
| Biological resource use | happening now | whole of population/area (>90%) | slow decline (1–10% over 3 generations) | high |
| Natural system modifications | happening now | some of population/area (10–49%) | rapid decline (>30% over 3 generations) | high |
| Residential and commercial development | happening now | few individuals/small area (<10%) | moderate decline (10–30% over 3 generations) | low |
| Response (conservation actions taken for the trigger species and/or their habitats) | |||
|---|---|---|---|
| Designation | Planning | Action | Result |
| Some of area covered (10–49%) | No management planning has taken place | Very little or no conservation action taking place | not assessed |
| Year | Protected Area | Designation (management category) | % coverage of IBA |
|---|---|---|---|
| - | Vistula Lagoon | Baltic Sea Protected Area (Helcom) (UA) | 99 |
| 1985 | Park Krajobrazowy Wysoczyzny Elbląskiej | Park Krajobrazowy (V) | 2 |
| 1985 | Park Krajobrazowy Mierzeja Wiślana | Park Krajobrazowy (V) | 1 |
| 1991 | Zatoka Elbląska | Rezerwat Przyrody (IV) | 1 |
| 2001 | Ujście Nogatu | Rezerwat Przyrody (IV) | 1 |
| Habitat | % of IBA | Habitat detail |
|---|---|---|
| Forest | 1 | |
| Grassland | 1 | |
| Marine Coastal/Supratidal | major (>10) |
| Land use | % of IBA |
|---|---|
| fisheries/aquaculture | 60 |
| tourism/recreation | 20 |
| other | 10 |
| hunting | 10 |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Vistula Lagoon (Poland). Downloaded from
https://datazone.birdlife.org/site/factsheet/vistula-lagoon-iba-poland on 23/12/2024.