Data Zone
The site was identified as important in 2000 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.
Populations meeting IBA criteria ('trigger species') at the site:| Species | Red List1 | Season | Year(s) | Size | IBA criteria |
|---|---|---|---|---|---|
| Razorbill Alca torda | LC | breeding | 1997 | 4,000 breeding pairs | B1ii, B3, C3 |
| Common Murre Uria aalge | LC | breeding | 1980-1989 | 8,000-9,000 breeding pairs | B1ii, C3 |
| A4iii Species group - seabirds | n/a | breeding | 1980-1997 | 10,000-19,999 breeding pairs | A4iii, C4 |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2000) may differ.
| Year | Protected Area | Designation | % overlap with IBA |
|---|---|---|---|
| 1900 | Stora Karlsö | Naturreservat | 13 |
| 1900 | Lilla Karlsö | Naturreservat | 11 |
| 1994 | Gotlandskusten | Naturvårdsområde | 1 |
| 1995 | Stora Karlsö | Site of Community Importance (Habitats Directive) | 13 |
| 1995 | Lilla Karlsö | Site of Community Importance (Habitats Directive) | 11 |
| 1996 | Stora Karlsö | Special Protection Area (Birds Directive) | 13 |
| 1996 | Lilla Karlsö | Special Protection Area (Birds Directive) | 11 |
| Habitat1 | Habitat detail | % of IBA |
|---|---|---|
| Marine Neritic | 95 | |
| Marine Coastal/Supratidal | minor (<10) | |
| Shrubland | Scrub | minor (<10) |
| Land use | % of IBA |
|---|---|
| agriculture | - |
| tourism/recreation | - |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Karlsö Islands (Sweden). Downloaded from
https://datazone.birdlife.org/site/factsheet/karlsö-islands-iba-sweden on 23/11/2024.