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Location Poland, zachodnio-pomorskie
Central coordinates 14o 52.00' East  53o 16.00' North
IBA criteria C1, C2, C3, C4
Area 16,820 ha
Year of IBA assessment 2010

Ogólnopolskie Towarzystwo Ochrony Ptaków

Site description A large lake with a moderate level of nutrients, bordered to the south and west by extensive chalk fens and meadows, and to the east by adjoining alder Alnus forest. The P³onia river goes through the lake and flows into D¹bie lake. The lake is a drinking water reservoir for the city of Szczecin and also supports a fishery.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Bean Goose Anser fabalis winter  2004-2009  25,500 individuals  good  C3  Least Concern 
Bean Goose Anser fabalis passage  2004-2009  18,847 individuals  good  C3  Least Concern 
Greater White-fronted Goose Anser albifrons passage  2004-2009  15,575 individuals  good  C3  Least Concern 
Great Crested Grebe Podiceps cristatus passage  2004-2009  10,300 individuals  good  C3  Least Concern 
Common Crane Grus grus passage  2001-2006  5,000 individuals  good  C2  Least Concern 
Eurasian Curlew Numenius arquata breeding  2004-2009  2-10 breeding pairs  good  C1  Near Threatened 
Aquatic Warbler Acrocephalus paludicola breeding  2005  14 males only  good  C1  Vulnerable 
A4iii Species group - waterbirds passage  2004-2009  70,000 individuals  good  C4   
A4iii Species group - waterbirds winter  2004-2009  44,000 individuals  good  C4   

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Dolina Ptoni i Jezioro Miedwie - PLH320006 Habitats Directive 20,756 protected area overlaps with site 14,761  
Jezioro Miedwie i okolice - PLB320005 Birds Directive 16,511 protected area overlaps with site 15,220  
Wzgórza Bukowe - PLH320020 Habitats Directive 11,971 protected area is adjacent to site 0  


IUCN habitat Habitat detail Extent (% of site)
Grassland Humid grasslands  44%
Wetlands (inland) Fens, transition mires and springs; Rivers and streams; Standing freshwater  28%
Forest   4%
Artificial - terrestrial   23%
Other   1%

Land use

Land-use Extent (% of site)
agriculture 30%
fisheries/aquaculture 20%
water management 50%
hunting -

Protection status National None International None

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Miedwie site. Downloaded from on 26/10/2014

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