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

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 popul­ation/area (10–49%)	rapid decline (>30% over 3 gener­ations)	high
Natural system modifications	likely in long term (>4 years)	whole of popul­ation/area (>90%)	slow decline (1–10% over 3 gener­ations)	medium

Response (conservation actions taken for the trigger species and/or their habitats)
Designation	Planning	Action	Result
Most of area (50–90%) covered (including the most critical parts for important bird species)	A management plan exists, but it is out of date or not compre­hensive	Substantive conservation measures are being implemented, but these are not compre­hensive and are limited by resources and capacity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 (management category)	% coverage of IBA
-	Holmöarna archipelago	Baltic Sea Protected Area (Helcom) (UA)	96
1983	Holmöarna	Naturreservat (V)	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 visit Spotlight on local empowerment.

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

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 23/12/2024.