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close| Location | Finland, Etelä-Suomen lääni |
| Central coordinates | 22o 54.00' East 59o 49.00' North |
| IBA criteria | A4i, A4iii, B1i, C3, C4 |
| Area | 11,151 ha |
| Altitude | |
| Year of IBA assessment | 2000 |
Ornithological information One of the most important staging areas for waterbirds in the country, with total numbers exceeding 20,000 individuals. Species of global conservation concern that do not meet IBA criteria: Polysticta stelleri (27 birds on passage, irregular and for short periods, 5 individuals in winter), Haliaeetus albicilla (4 individuals in winter, 5 on passage), Gallinago media (2 individuals, passage).
Site description A diverse site situated in the south-west corner of the Hanko peninsula, comprising cliff-lined shores, sand-dunes, wet meadows and an archipelago of mostly small rocky islands. The IBA falls within Salpausselkä, a glacial ridge formation of southern Finland extending several hundred kilometres in length.
Populations of IBA trigger species
| Species | Season | Period | Population estimate | Quality of estimate | IBA Criteria | IUCN Category |
|---|---|---|---|---|---|---|
| Common Eider Somateria mollissima | passage | 1996 | 30,000 individuals | poor | A4i, B1i, C3 | Least Concern |
| A4iii Species group - waterbirds | passage | 1996 | - | unknown | A4iii, C4 |
Protected areas
| Protected area | Designation | Area (ha) | Relationship with IBA | Overlap with IBA (ha) | |
|---|---|---|---|---|---|
| Tulliniemen linnustonsuojelualue - FI0100006 | Birds Directive | 2,566 | protected area contained by site | 2,566 | |
| Tulliniemen luonnonsuojelualue | Private Nature Reserve | 2,247 | protected area overlaps with site | 2,338 |
|
| Uddskatanin luonnonsuojelualue | State Nature Reserve | 32 | protected area contained by site | 29 |
|
Habitats
| IUCN habitat | Habitat detail | Extent (% of site) |
|---|---|---|
| Sea | 80% | |
| Coastline | - | |
| Unknown | 10% |
Land use
| Land-use | Extent (% of site) |
|---|---|
| tourism/recreation | 50% |
| urban/industrial/transport | 70% |
| unknown | 50% |
Management considerations An expanding harbour, adjacent to the IBA, is a source of constant disturbance. Pressure from recreation, such as hiking along the shores and boating in the archipelago, also cause disturbance. On the southernmost tip of the Hanko peninsula a bird observatory has been maintained for twenty years, conducting bird ringing and migration observations. Part of the area is a candidate SAC.
Protection status National Partial International Partial2,338 ha of IBA covered by Protected Area on Private Land (Tulliniemi, 2,347 ha). 29 ha of IBA covered by Specific Protection Area (Uddskatan, 29 ha). 5,294 ha of IBA covered by Special Protection Area (Tulliniemen linnustonsuojelualue).
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Recommended citation BirdLife International (2013) Important Bird Areas factsheet: Hanko western archipelago. Downloaded from http://www.birdlife.org on 24/05/2013
To provide new information to update this factsheet or to correct any errors, please email BirdLife
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