Porvoo outer archipelago (1303)
Finland, Europe
Site overview
KBA status: confirmed
Year of last assessment: 2025
National site name: Porvoon ulkosaaristo
Central coordinates: Latitude: 60.1667, Longitude: 25.6667
System: terrestrial, marine
Elevation (m): 0 to 0
Area of KBA (km2): 225.68617
Protected area coverage (%): 58.77
KBA classification: Regional
Legacy site: Yes
Site details
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 <I>Juniperus</I> stands.</P>
Rationale for qualifying as KBA: An important breeding area for archipelagic avifauna, especially for <I>Sterna caspia</I>.</P>
Manageability of the site: Site identified based on BirdLife International's Important Bird and Biodiversity Areas, under which manageability is strongly recommended but not explicitly documented
Threats
Summary of threats to biodiversity at KBA: 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.</P>
| Threat level 1 | Threat level 2 | Threat level 3 | Timing |
|---|---|---|---|
| Invasive & other problematic species, genes & diseases | Invasive non-native/alien species/diseases | Unspecified species | Ongoing |
| Human intrusions & disturbance | Recreational activities | Only in the future |
Additional information
Contributors: Site identified based on Important Bird and Biodiversity Areas by the BirdLife International Partnership