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Location Poland, mazowieckie
Central coordinates 21o 17.00' East  51o 56.00' North
IBA criteria C1
Area 4,413 ha
Altitude
Year of IBA assessment 2010

Ogólnopolskie Towarzystwo Ochrony Ptaków



Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Corncrake Crex crex breeding  2001-2008  56-64 males only  good  C1  Least Concern 

IBA Monitoring

2010 high very unfavourable low
Habitat
Medium - based upon reliable but incomplete / partially representative data

Agricultural expansion and intensification marine and freshwater aquaculture - subsistence/artisinal aquaculture happening now small area/few individuals (<10%) moderate to rapid deterioration low
Climate change and severe weather drought happening now majority/most of area/population (50-90%) moderate to rapid deterioration high
Climate change and severe weather habitat shifting and alteration happening now majority/most of area/population (50-90%) moderate to rapid deterioration high
Human intrusions and disturbance recreational activities happening now small area/few individuals (<10%) no or imperceptible deterioration low
Natural system modifications other ecosystem modifications happening now majority/most of area/population (50-90%) slow but significant deterioration high
Pollution garbage and solid waste happening now small area/few individuals (<10%) no or imperceptible deterioration low
Pollution noise pollution happening now small area/few individuals (<10%) no or imperceptible deterioration low
Residential and commercial development commercial and industrial development happening now small area/few individuals (<10%) no or imperceptible deterioration low
Residential and commercial development housing and urban areas happening now small area/few individuals (<10%) no or imperceptible deterioration low
Residential and commercial development tourism and recreation areas happening now small area/few individuals (<10%) slow but significant deterioration low
Transportation and service corridors roads and railroads happening now some of area/population (10-49%) no or imperceptible deterioration low
Transportation and service corridors utility & service lines happening now small area/few individuals (<10%) no or imperceptible deterioration low

Forest   0 0 moderate (70-90%) moderate (70-90%) unfavourable
Grassland   0 0 poor (40-69%) poor (40-69%) very unfavourable

Most of site (50-90%) covered (including the most critical parts for important bird species)  A management plan exists but it is out of date or not comprehensive  Very little or no conservation action taking place  low 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Bagno Catowanie - PLB140011 Birds Directive 4,215 protected area overlaps with site 3,800  
Bagno Catowanie - PLH140001 Habitats Directive 3,448 protected area overlaps with site 2,967  

Habitats

IUCN habitat Habitat detail Extent (% of site)
Forest   41%
Artificial - terrestrial   5%
Grassland   52%
Wetlands (inland)   2%

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Calowanie Swamp. Downloaded from http://www.birdlife.org on 22/11/2014

To provide new information to update this factsheet or to correct any errors, please email BirdLife