Sundominlahti Bay and Söderfjärden

IBA Criteria

Year of most recent IBA criteria assessment: 2000

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Whooper Swan Cygnus cygnus LC passage 1996 1,000 individuals A4i, B1i, C2
Greylag Goose Anser anser LC passage 1996 290 individuals B1i, C3
Bean Goose Anser fabalis LC passage 1996 1,500 individuals B1i, C3
Common Crane Grus grus LC passage 1996 2,800 individuals A4i, B1i, C2
Little Gull Hydrocoloeus minutus LC breeding 1996 40 breeding pairs B2

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here

IBA Monitoring

Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2010 high unfavourable low
Was the whole site covered? Yes State assessed by Population
Accuracy of information medium

Threats to the site (pressure)
Threat Level 1 Threat Level 2 Timing Scope Severity Result
Human intrusions and disturbance recreational activities happening now majority/most of area/population (50-90%) no or imperceptible deterioration low
Natural system modifications dams & water management/use - dams (size unknown) happening now some of area/population (10-49%) no or imperceptible deterioration low
Pollution agricultural & forestry effluents - type unknown/unrecorded happening now some of area/population (10-49%) moderate to rapid deterioration high

Condition of key/trigger populations (state)
Scientific Common TargetPop ActualPop Units Remaining Result
Cygnus cygnus Whooper Swan 1000 750 individuals 75 near favourable
Anser anser Greylag Goose 2000 4000 individuals 100 favourable
Anser fabalis Bean Goose 1500 800 individuals 54 unfavourable
Grus grus Common Crane 3000 6500 individuals 100 favourable

Conservation actions taken at site (response)
Conservation Designation Management Planning Conservation Action Result
Most of site (50-90%) covered (including the most critical parts for important bird species) A management plan exists but it is out of date or not comprehensive Very little or no conservation action taking place low
For more information about IBA monitoring please click here

IBA Protection

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Södra Stadsfjärden-Söderfjärden-Öjen Site of Community Importance (Habitats Directive) 2,855 protected area overlaps with site 0
Södra Stadsfjärden-Söderfjärden-Öjen Special Protection Area (Birds Directive) 2,855 protected area overlaps with site 2,459
Södra Stadsfjärden 4 Yksityinen luonnonsuojelualue 37 protected area contained by site 0
Södra Stadsfjärden 3 - Pikisaaret Yksityinen luonnonsuojelualue 73 protected area overlaps with site 0
Södra Stadsfjärden 2 Yksityinen luonnonsuojelualue 140 protected area overlaps with site 0
Södra Stadsfjärden 1 Yksityinen luonnonsuojelualue 196 protected area overlaps with site 0
High Coast / Kvarken Archipelago World Heritage Site (natural or mixed) 336,900 protected area is adjacent to site 0


IUCN Habitat Habitat detail Extent (% of site)
Wetlands (inland) Standing freshwater -
Artificial/Terrestrial Arable land -
Coastline Lagoons -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
agriculture -
unknown -
For further information about the land use classification please click here.

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Sundominlahti Bay and Söderfjärden. Downloaded from on 30/06/2022.