Data Zone
The site was identified as important 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 List1 | Season | Year(s) | Size | IBA criteria |
|---|---|---|---|---|---|
| Whooper Swan Cygnus cygnus | LC | winter | 1993 | 36 individuals | C6 |
| Eurasian Bittern Botaurus stellaris | LC | passage | 1994 | 1 individuals | C6 |
| Eurasian Golden Plover Pluvialis apricaria | LC | passage | 1993 | 150 individuals | C6 |
| Ruff Calidris pugnax | LC | passage | 1994 | 130 individuals | C6 |
| Wood Sandpiper Tringa glareola | LC | passage | 1994 | 8 individuals | C6 |
| Common Tern Sterna hirundo | LC | breeding | 1995 | 17 breeding pairs | C6 |
| Short-eared Owl Asio flammeus | LC | winter | 1995 | 1 individuals | C6 |
| Hen Harrier Circus cyaneus | LC | winter | 1992 | 2 individuals | C6 |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2002) may differ.
| Year | Protected Area | Designation | % overlap with IBA |
|---|---|---|---|
| - | Mittelwesermarsch | Landscape Protected Area | - |
| 1950 | Arsten-Habenhausen | Naturschutzgebiet | <1 |
| 1968 | Bremen 1968 36. Änderung | Landschaftschutzgebiet | 53 |
| 1987 | NSG Mittelweser | Naturschutzgebiet | - |
| 1988 | Neue Weser | Naturschutzgebiet | 7 |
| 2001 | Weseraue | Special Protection Area (Birds Directive) | 46 |
| Habitat1 | Habitat detail | % of IBA |
|---|---|---|
| Grassland | Humid grasslands | 70 |
| Forest | Alluvial and very wet forest | 10 |
| Unknown | 10 | |
| Wetlands (inland) | Standing freshwater | 10 |
| 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 23/11/2024.