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 |
|---|---|---|---|---|
| Whooper Swan Cygnus cygnus | LC | winter (1990–1999) | 208 birds | C2 |
| Tundra Swan Cygnus columbianus | LC | winter (1990–1999) | 520 birds | A4i, B1i, B2, C2 |
| Bean Goose Anser fabalis | LC | winter (1990–1999) | 1,383 birds | B1i, C3 |
| Greater White-fronted Goose Anser albifrons | LC | winter (1990–1999) | 12,300 birds | B1i, C3 |
| Common Teal Anas crecca | LC | winter (1992) | 13,525 birds | B1i, C3 |
| Ruff Calidris pugnax | LC | breeding (1990) | 3 pairs | C6 |
| Black Tern Chlidonias niger | LC | winter (1990–1999) | 110 birds | C2, C6 |
| Common Tern Sterna hirundo | LC | breeding (1990) | 1 pairs | C6 |
| Western Marsh-harrier Circus aeruginosus | LC | breeding (1990–1999) | 15 pairs | C6 |
| Bluethroat Luscinia svecica | LC | breeding (1990–1999) | 61 pairs | C6 |
| A4iii Species group - waterbirds | n/a | winter (1990–1998) | 28,046 birds | A4iii, C4 |
| Year | Protected Area | Designation (management category) | % coverage of IBA |
|---|---|---|---|
| 1968 | Bremen 1968 36. Änderung | Landschaftschutzgebiet (V) | 2 |
| 1984 | Strohauser Plate | Landschaftschutzgebiet (V) | <1 |
| 1985 | Rechter Nebenarm der Weser | Naturschutzgebiet (IV) | 12 |
| 2007 | Strohauser Vorländer und Plate | Naturschutzgebiet (IV) | 27 |
| Habitat | % of IBA | Habitat detail |
|---|---|---|
| Marine Intertidal | major (>10) | |
| Marine Neritic | major (>10) | |
| Grassland | minor (<10) | Humid grasslands |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Lower reaches of River Weser, unembanked area (Germany). Downloaded from
https://datazone.birdlife.org/site/factsheet/lower-reaches-of-river-weser-unembanked-area-iba-germany on 23/12/2024.