The site was identified as internationally important for bird conservation in 2000 because it was regularly supporting significant populations of the species listed below, meeting IBA criteria.
Populations meeting IBA criteria ('key species') at the site:Species | Red List | Season (year/s of estimate) | Size | IBA criteria |
---|---|---|---|---|
Bean Goose Anser fabalis | LC | passage (1990–1997) | 8,000 individuals | A4i, B1i, C3 |
Goosander Mergus merganser | LC | passage (1990–1997) | 10,000 individuals | A4i, B1i, C3 |
Osprey Pandion haliaetus | LC | breeding (1993) | 50 breeding pairs | B2, C6 |
White-tailed Sea-eagle Haliaeetus albicilla | LC | passage (1990–1997) | 20 individuals | A1, C1 |
Year | Protected Area | Designation (management category) | % coverage of IBA |
---|---|---|---|
- | Vastra Asnens Ovarld | Nature Reserve (-) | 7 |
1900 | Västra Åsnens övärld | Naturreservat (V) | 2 |
1900 | Agnäs | Naturreservat (V) | 1 |
1900 | Långö | Naturreservat (Ia) | <1 |
1900 | Husebymaden | Naturreservat (IV) | <1 |
1900 | Bjurkärr | Naturreservat (IV) | 1 |
1900 | Toftåsa myr | Naturreservat (Ia) | 1 |
1996 | Grytö | Naturreservat (V) | 2 |
1998 | Lunnabacken | Naturreservat (IV) | <1 |
2007 | Biotopskydd 2007:204 | Biotopskyddsområde (Ia) | <1 |
2007 | Biotopskydd 2007:205 | Biotopskyddsområde (Ia) | <1 |
2008 | Hunshult | Naturreservat (Ia) | <1 |
2009 | Utnäsuddens övärld | Naturreservat (V) | 9 |
2009 | Biotopskydd 2009:146 | Biotopskyddsområde (Ia) | <1 |
2010 | Biotopskydd 2010:41 | Biotopskyddsområde (Ia) | <1 |
2011 | Biotopskydd 2011:199 | Biotopskyddsområde (Ia) | <1 |
2011 | Biotopskydd 2011:22 | Biotopskyddsområde (Ia) | <1 |
2014 | Ekefors | Naturreservat (IV) | <1 |
2016 | Hackekvarn | Naturreservat (IV) | <1 |
Habitat | % of IBA | Habitat detail |
---|---|---|
Wetlands (inland) | major (>10) | Standing freshwater |
Forest | minor (<10) | Broadleaved deciduous woodland; Native coniferous woodland |
Grassland | minor (<10) | Mesophile grasslands |
Land use | % of IBA |
---|---|
agriculture | - |
forestry | - |
tourism/recreation | - |
water management | - |
Recommended citation
BirdLife International (2025) Important Bird Area factsheet: Lake Åsnen (Sweden). Downloaded from
https://datazone.birdlife.org/site/factsheet/lake-åsnen-iba-sweden on 14/01/2025.