Skagerrak-Southwest Norwegian trench

Country/territory: Denmark

IBA Criteria met: A4i, A4ii, A4iii, B1i, B1ii, C3, C4 (2000)
For more information about IBA criteria please click here

Area: 1,600,000 ha

Dansk Ornitologisk Forening
Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2009 not assessed favourable not assessed
For more information about IBA monitoring please click here

Site description
A sea area with complex salinity gradients. 33% of the area is within Danish territory (the area given here), 61% in Norwegian territory and 7% in Swedish. Coordinates are approximate.

Key biodiversity
Of very high importance for pelagic species such as Sula bassana, Stercorarius skua (nearly 12% of the biogeographic population), Uria aalge, Alca torda and Alle alle (25% of the biogeographic population). Outside of the IBA, in the adjacent area of Jammerbugten, Melanitta nigra occurs in high numbers (up to 50,000) in some years.

Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: Skagerrak-Southwest Norwegian trench. Downloaded from on 04/02/2023.