FI081
Hanko western archipelago


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
Common Eider Somateria mollissima NT passage 1996 30,000 individuals A4i, B1i, C3
A4iii Species group - waterbirds n/a passage 1996 41,000 individuals A4iii, C4

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 medium 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 small area/few individuals (<10%) no or imperceptible deterioration low
Pollution agricultural & forestry effluents - nutrient loads happening now some of area/population (10-49%) slow but significant deterioration medium
Pollution domestic & urban waste water - sewage happening now small area/few individuals (<10%) slow but significant deterioration low
Transportation and service corridors shipping lanes happening now small area/few individuals (<10%) no or imperceptible deterioration low

Condition of key/trigger populations (state)
Scientific Common TargetPop ActualPop Units Remaining Result
Somateria mollissima Common Eider 30000 18000 individuals 60 unfavourable

Conservation actions taken at site (response)
Conservation Designation Management Planning Conservation Action Result
Some of site covered (10-49%) No management plan exists but the management planning process has begun Some limited conservation initiatives are in 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)
Uddskatanin luonnonsuojelualue Valtion luonnonsuojelualue 32 protected area contained by site 29
TULLINIEMEN LUONNONSUOJEL Yksityinen luonnonsuojelualue 2,245 protected area contained by site 2,338
Tulliniemen linnustonsuojelualue/ Tulliniemi bird protection area Baltic Sea Protected Area (HELCOM) 2,566 protected area overlaps with site 0
Tulliniemen linnustonsuojelualue Site of Community Importance (Habitats Directive) 2,566 protected area overlaps with site 0
Tulliniemen linnustonsuojelualue Special Protection Area (Birds Directive) 2,566 protected area overlaps with site 2,566
Saaristomeri /Archipelago Sea Baltic Sea Protected Area (HELCOM) 59,842 protected area is adjacent to site 0
Saaristomeri Site of Community Importance (Habitats Directive) 49,735 protected area overlaps with site 0
Saaristomeri Special Protection Area (Birds Directive) 59,842 protected area overlaps with site 0
Saaristomeren kansallispuisto Kansallispuisto 52,582 protected area overlaps with site 0
Hanko western archipelago Baltic Sea Protected Area (Helcom) 5,265 protected area contained by site 5,295
Bird Wetlands of Hanko and Tammisaari Ramsar Site, Wetland of International Importance 55,196 protected area overlaps with site 0

Habitats

IUCN Habitat Habitat detail Extent (% of site)
Marine Neritic -
Coastline -
Unknown -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
tourism/recreation -
urban/industrial/transport -
unknown -
For further information about the land use classification please click here.


Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: Hanko western archipelago. Downloaded from http://www.birdlife.org on 26/03/2023.