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Location Poland, mazowieckie
Central coordinates 21o 59.00' East  52o 10.00' North
IBA criteria C1, C6
Area 14,160 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  1999  50-80 males only  C1  Least Concern 
Black Tern Chlidonias niger breeding  2002  40-50 breeding pairs  C6  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Dolina Kostrzynia - PLB140009 Birds Directive 14,376 protected area overlaps with site 13,208  
Dolina Liwca - PLB140002 Birds Directive 27,432 protected area is adjacent to site 0  
Ostoja Nadliwiecka - PLH140032 Habitats Directive 13,623 protected area is adjacent to site 0  
Rogoznica - PLH140036 Habitats Directive 153 protected area contained by site 153  

Habitats

IUCN habitat Habitat detail Extent (% of site)
Forest   13%
Grassland   76%
Artificial - terrestrial   5%
Wetlands (inland)   5%
Other   1%

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Kostrzyn River Valley. Downloaded from http://www.birdlife.org on 15/09/2014

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