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close| Location | Finland, Etelä-Suomen lääni |
| Central coordinates | 25o 40.00' East 60o 10.00' North |
| IBA criteria | A4i, B1i, B1ii, B2, C2, C6 |
| Area | 22,570 ha |
| Altitude | |
| Year of IBA assessment | 2000 |
Ornithological information An important breeding area for archipelagic avifauna, especially for Sterna caspia.
Site description A large offshore archipelago in the middle part of the Gulf of Finland. The area holds many islands with rocky or stony shores. The largest of the islands are forested, with areas of meadows and Juniperus stands.
Populations of IBA trigger species
| Species | Season | Period | Population estimate | Quality of estimate | IBA Criteria | IUCN Category |
|---|---|---|---|---|---|---|
| Caspian Tern Sterna caspia | breeding | 1997 | 53 breeding pairs | good | A4i, B1i, B2, C2, C6 | Least Concern |
| Black Guillemot Cepphus grylle | breeding | 1997 | 224-229 breeding pairs | good | B1ii, B2 | Least Concern |
Protected areas
| Protected area | Designation | Area (ha) | Relationship with IBA | Overlap with IBA (ha) | |
|---|---|---|---|---|---|
| Saaria ja luotoja (Långören) | State Nature Reserve | 26 | protected area contained by site | 8,338 |
|
| Söderskär and Långören Archipelago | Wetlands of International Importance (Ramsar) | 20,483 | protected area overlaps with site | 11,522 |
|
| Söderskärin ja Långörenin saaristo - FI0100077 | Birds Directive | 18,219 | protected area overlaps with site | 13,016 | |
| Söderskärin luonnonsuojelualue | Private Nature Reserve | 2,109 | protected area contained by site | 2,134 |
|
Habitats
| IUCN habitat | Habitat detail | Extent (% of site) |
|---|---|---|
| Forest | - | |
| Sea | - | |
| Coastline | - |
Land use
| Land-use | Extent (% of site) |
|---|---|
| unknown | - |
Management considerations A research station has been maintained for decades on Söderskär island, and bird migration has been very actively monitored for more than 20 years on Kummelskär island. Part of the area is a candidate SAC.
Protection status National Partial International Partial2,134 ha of IBA covered by Protected Area on Private Land (Söderskär, 2,134 ha). 8,338 ha of IBA covered by Specific Protection Area (Långören, 8,338 ha). 10,552 ha of IBA covered by Ramsar Site (Söderskär and Långören, 10,552 ha). 13,061 ha of IBA covered by Special Protection Area (Söderskäin ja Låhgörenin saaristo).
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Recommended citation BirdLife International (2013) Important Bird Areas factsheet: Porvoo outer archipelago. 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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