Bubnow Marsh (945)
Poland, Europe
Site overview
KBA status: confirmed
Global KBA criteria: A1b, A1d
Year of last assessment: 2010
National site name: Bagno Bubnow
Central coordinates: Latitude: 51.3667, Longitude: 23.2833
System: freshwater, terrestrial
Elevation (m): 175 to 176
Area of KBA (km2): 21.85854
Protected area coverage (%): 99.91
KBA classification: Global
Legacy site: Yes
Site details
Site description: Two marshes˜Bubnów and Staw˜located in the £êczyñsko-W³odawskie lakeland. The marshes are separated by a small river, and are drained by a watercourse from the W³odawka catchment. The habitat is mainly fens with sedge-beds. Open areas are covered in some places by sparse reed Phragmites. About 10 ha is covered with great fen sedge Cladium, and there are characteristic hummocks of dry grassland in the marshes, with small patches of willow Salix scrub at the marsh-edges.
Rationale for qualifying as KBA: This site qualifies as a Key Biodiversity Area of international significance that meets the thresholds for at least one criterion described in the Global Standard for the Identification of KBAs.
Additional biodiversity: A total of 90 species have been recorded, 50 of them breeding. Breeding species of global conservation concern that do not meet IBA criteria: Crex crex (three pairs).
Habitats
Land use: nature conservation and research (100%)
| IUCN Habitat | Coverage % | Habitat detail |
|---|---|---|
| Forest | 15 | |
| Grassland | 14 | |
| Artificial - Terrestrial | 18 | |
| Wetlands(Inland) | 53 |
Threats
Summary of threats to biodiversity at KBA: Reed-burning is a threat to nesting birds.
| Threat level 1 | Threat level 2 | Threat level 3 | Timing |
|---|---|---|---|
| Energy production & mining | Mining & quarrying | Ongoing |