|Central coordinates||23o 17.00' East 51o 22.00' North|
|IBA criteria||C1, C2, C6|
|Altitude||175 - 176m|
|Year of IBA assessment||2010|
Ornithological information 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).
Site description Two marshesBubnów and Stawlocated 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.
|Species||Season||Period||Population estimate||Quality of estimate||IBA Criteria||IUCN Category|
|Common Crane Grus grus||passage||2009||3,500 individuals||good||C2||Least Concern|
|Black-tailed Godwit Limosa limosa||breeding||2005||10 breeding pairs||good||C1||Near Threatened|
|Aquatic Warbler Acrocephalus paludicola||breeding||2007-2009||169-182 males only||good||C1, C6||Vulnerable|
|Protected area||Designation||Area (ha)||Relationship with IBA||Overlap with IBA (ha)|
|Bagno Bubnów||Nature Reserve||1,469||protected area contained by site||1,469|
|Bagno Bubnów - PLB060001||Birds Directive||2,188||protected area overlaps with site||1,957|
|Ostoja Poleska - PLH060013||Habitats Directive||10,159||protected area overlaps with site||2,008|
|Poleski National Park||Wetlands of International Importance (Ramsar)||9,762||protected area overlaps with site||1,655|
|Poleski PN||National Park||9,762||protected area contains site||2,104|
|IUCN habitat||Habitat detail||Extent (% of site)|
|Forest||Alluvial and very wet forest||15%|
|Grassland||Humid grasslands; Steppes and dry calcareous grassland||14%|
|Wetlands (inland)||Fens, transition mires and springs; Standing freshwater; Water fringe vegetation||53%|
|Artificial landscapes (terrestrial)||18%|
|Land-use||Extent (% of site)|
|nature conservation and research||100%|
Management considerations Reed-burning is a threat to nesting birds.
Protection status National High International None2,104 ha of IBA covered by National Park (Poleski, 9,648 ha). 1,469 ha of IBA covered by Nature Reserve (Bagno Bubnów, 1,469 ha).
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Recommended citation BirdLife International (2013) Important Bird Areas factsheet: Bubnow Marsh. Downloaded from http://www.birdlife.org on 26/05/2013
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