Key Biodiversity Areas

Omulew and Plodownica Rivers Valleys (985)
Poland, Europe

Site overview


KBA status: confirmed
Year of last assessment: 2010
National site name: Doliny Omulwi i Plodownicy
Central coordinates: Latitude: 53.2000, Longitude: 21.3333
System: freshwater, terrestrial
Elevation (m): 100 to 125
Area of KBA (km2): 344.17316
Protected area coverage (%): 100.00
KBA classification: Regional
Legacy site: Yes

Site details


Site description: Large areas of fen are located in the middle stretch of this river valley and in flooded parts of the upper river valley. In the lower stretches there is natural old-growth riverine forest, and sandy grasslands.
Rationale for qualifying as KBA: This site qualifies as a Key Biodiversity Area of international significance that was identified using previously established criteria and thresholds for the identification of Important Bird and Biodiversity Areas (IBAs) and for which available data indicate that it does not meet global KBA criteria and thresholds set out in the Global Standard.

Habitats


Land use: agriculture | hunting | not utilised
IUCN HabitatCoverage %Habitat detail
Forest24
Wetlands(Inland)1
Grassland43
Other1
Artificial - Terrestrial31

Threats


Summary of threats to biodiversity at KBA: Since 1991 the upper river has been regulated, which has influenced the area of flooding. Affected areas have included some areas of marsh, meadow, willow Salix scrub and riverside forest.
Threat level 1Threat level 2Threat level 3Timing
Agriculture & aquacultureLivestock farming & ranchingSmall-holder grazing, ranching or farmingOngoing
Agriculture & aquacultureAnnual & perennial non-timber cropsSmall-holder farmingOngoing
Natural system modificationsDams & water management/useDams (size unknown)Ongoing
Invasive & other problematic species, genes & diseasesProblematic native species/diseasesUnspecified speciesOngoing
Natural system modificationsOther ecosystem modificationsOnly in the future