Sundominlahti Bay and Söderfjärden

Country/territory: Finland

IBA Criteria met: A4i, B1i, B2, C2, C3 (2000)
For more information about IBA criteria please click here

Area: 4,570 ha

Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2010 high unfavourable low
For more information about IBA monitoring please click here

Site description
A shallow eutrophic sea bay at the mouth of the Laihia river lying south of the town of Vaasa. Most of the bay is open water, although there are wide marshes, and extensive beds of reed Phragmites. To the south lies the agricultural area of Söderfjärden, which was previously a sea bay. The IBA also includes an undisturbed area of inner archipelago, where Grus grus from the farmland roost.

Key biodiversity
The most important staging area for Grus grus in Finland. It is also important for other staging waterbirds.

Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: Sundominlahti Bay and Söderfjärden. Downloaded from on 28/03/2023.