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Location Poland, warminsko-mazurskie
Central coordinates 20o 3.00' East  54o 1.00' North
IBA criteria C1, C6
Area 19,880 ha
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
White Stork Ciconia ciconia breeding  1995-2003  220 breeding pairs  good  C6  Least Concern 
White-tailed Sea-eagle Haliaeetus albicilla breeding  2008-2009  6-7 breeding pairs  good  C6  Least Concern 
Lesser Spotted Eagle Clanga pomarina breeding  2004-2009  45-50 breeding pairs  good  C6  Least Concern 
Corncrake Crex crex breeding  2006-2009  80-100 males only  poor  C1  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Dolina Pasteki - PLB280002 Birds Directive 20,670 protected area overlaps with site 18,428  
Rzeka Pasteka - PLH280006 Habitats Directive 8,418 protected area overlaps with site 6,084  
Zalew Wislany i Mierzeja Wislana - PLH280007 Habitats Directive 40,863 protected area is adjacent to site 0  


IUCN habitat Habitat detail Extent (% of site)
Wetlands (inland)   5%
Forest   44%
Grassland   12%
Artificial - terrestrial   39%

Related state of the world's birds case studies

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Recommended citation  BirdLife International (2015) Important Bird Areas factsheet: Pasleka river valley. Downloaded from on 28/04/2015

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