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 (1993) | 36 birds | C6 |
| Eurasian Bittern Botaurus stellaris | LC | passage (1994) | 1 birds | C6 |
| Eurasian Golden Plover Pluvialis apricaria | LC | passage (1993) | 150 birds | C6 |
| Ruff Calidris pugnax | LC | passage (1994) | 130 birds | C6 |
| Wood Sandpiper Tringa glareola | LC | passage (1994) | 8 birds | C6 |
| Common Tern Sterna hirundo | LC | breeding (1995) | 17 pairs | C6 |
| Short-eared Owl Asio flammeus | LC | winter (1995) | 1 birds | C6 |
| Hen Harrier Circus cyaneus | LC | winter (1992) | 2 birds | C6 |
| Year | Protected Area | Designation (management category) | % coverage of IBA |
|---|---|---|---|
| - | Mittelwesermarsch | Landscape Protected Area (-) | - |
| 1950 | Arsten-Habenhausen | Naturschutzgebiet (IV) | <1 |
| 1968 | Bremen 1968 36. Änderung | Landschaftschutzgebiet (V) | 53 |
| 1987 | NSG Mittelweser | Naturschutzgebiet (IV) | - |
| 1988 | Neue Weser | Naturschutzgebiet (IV) | 7 |
| Habitat | % of IBA | Habitat detail |
|---|---|---|
| Grassland | 70 | Humid grasslands |
| Forest | 10 | Alluvial and very wet forest |
| Unknown | 10 | |
| Wetlands (inland) | 10 | Standing freshwater |
| Land use | % of IBA |
|---|---|
| agriculture | 70 |
| nature conservation and research | 10 |
| water management | 10 |
| fisheries/aquaculture | 5 |
| hunting | - |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Mittelwesermarsch (Germany). Downloaded from
https://datazone.birdlife.org/site/factsheet/mittelwesermarsch-iba-germany on 23/12/2024.