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close| Location | Poland, zachodnio-pomorskie |
| Central coordinates | 14o 52.00' East 53o 16.00' North |
| IBA criteria | C1, C2, C3, C4 |
| Area | 16,820 ha |
| Altitude | |
| Year of IBA assessment | 2010 |
Ornithological information Up to 12,000-14,000 Anser fabalis and A. albifrons stage here in autumn, with up to 1,500 such birds in winter. Breeding species of global conservation concern that do not meet IBA criteria: Haliaeetus albicilla (one pair feeds in the area, nesting nearby), Crex crex (one pair), Acrocephalus paludicola (nine singing males).
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 |
Habitats
| 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 landscapes (terrestrial) | 23% | |
| Other | 1% |
Land use
| Land-use | Extent (% of site) |
|---|---|
| agriculture | 30% |
| fisheries/aquaculture | 20% |
| water management | 50% |
| hunting | - |
Management considerations Pollution from agricultural sources affects drinking water and poses a threat to the site.
Protection status National None International None
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Recommended citation BirdLife International (2013) Important Bird Areas factsheet: Miedwie site. Downloaded from http://www.birdlife.org on 18/06/2013
To provide new information to update this factsheet or to correct any errors, please email BirdLife
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