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The site was identified as important in 2007 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species') at the site:

Species	Red List1	Season	Year(s)	Size	IBA criteria
Velvet Scoter Melanitta fusca	VU	breeding	1993	1,000-2,000 breeding pairs	B2
Red-throated Loon Gavia stellata	LC	breeding	1992	15-25 breeding pairs	B2, C6
Arctic Loon Gavia arctica	LC	breeding	1992	15-25 breeding pairs	C6
Ruddy Turnstone Arenaria interpres	NT	breeding	1993	200-300 breeding pairs	A4i, B1i, C3
Mew Gull Larus canus	LC	breeding	1993	1,200-1,500 breeding pairs	B2
Lesser Black-backed Gull Larus fuscus	LC	breeding	1993	150-200 breeding pairs	A4i, B1i
Caspian Tern Hydroprogne caspia	LC	breeding	1996	5 breeding pairs	C6
Arctic Tern Sterna paradisaea	LC	breeding	1993	1,100-1,600 breeding pairs	C2, C6
Black Guillemot Cepphus grylle	LC	breeding	1993	2,000-3,000 breeding pairs	B1ii, B2
White-tailed Sea-eagle Haliaeetus albicilla	LC	breeding	2006	3-5 breeding pairs	A1, C1, C6
Red-breasted Flycatcher Ficedula parva	LC	breeding	2005	2-5 breeding pairs	C6

1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2007) may differ.

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2007. The most recent assessment (2007) is shown below.

Pressure (threats to the trigger species and/or their habitats)
Threat	Timing	Scope	Severity	Result
Invasive and other problematic species and genes	happening now	some of area/population (10-49%)	very rapid to severe deterioration	high
Natural system modifications	likely in long term (beyond 4 years)	whole area/population (>90%)	slow but significant deterioration	medium

Response (conservation actions taken for the trigger species and/or their habitats)
Protected areas	Management plan	Other 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site (50-90%) covered (including the most critical parts for important bird species)	A management plan exists but it is out of date or not comprehensive	Substantive conservation measures are being implemented but these are not comprehensive and are limited by resources and capacity	medium

Year	Protected Area	Designation	% overlap with IBA
-	Holmöarna archipelago	Baltic Sea Protected Area (Helcom)	96
1983	Holmöarna	Naturreservat	100
1995	Holmöarna	Site of Community Importance (Habitats Directive)	98
2004	Holmöarna	Special Protection Area (Birds Directive)	97
2008	Holmö Islands	Baltic Sea Protected Area (HELCOM)	100

The Local Conservation Group(s) listed below are working to conserve this IBA.

Name	Year formed
Stora Fjäderäggs fågelstation	0

For more information on BirdLife's work with Local Conservation Groups, please click here.

Habitat1	Habitat detail	% of IBA
Marine Neritic		84
Forest	Native coniferous woodland, Mixed woodland	12
Marine Coastal/Supratidal		4

1. IUCN Habitat classification.

Land use	% of IBA
nature conservation and research	100
forestry	20
military	5

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Holmöarna Archipelago (Sweden). Downloaded from https://datazone.birdlife.org/site/factsheet/holmöarna-archipelago-iba-sweden on 22/11/2024.