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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
Western Capercaillie Tetrao urogallus	LC	resident	1996	200-400 breeding pairs	C6
Long-tailed Duck Clangula hyemalis	VU	breeding	1996	10-30 breeding pairs	A3
Common Scoter Melanitta nigra	LC	breeding	2007	100-300 breeding pairs	A3
Greater Scaup Aythya marila	LC	breeding	1996	25-50 breeding pairs	A3
Common Crane Grus grus	LC	breeding	1996	15-50 breeding pairs	C6
Red-throated Loon Gavia stellata	LC	breeding	1996	15-30 breeding pairs	C6
Arctic Loon Gavia arctica	LC	breeding	1996	12-25 breeding pairs	C6
Eurasian Golden Plover Pluvialis apricaria	LC	breeding	2007	500-1,500 breeding pairs	B3, C6
Eurasian Dotterel Eudromias morinellus	LC	breeding	2007	50-100 breeding pairs	C6
Whimbrel Numenius phaeopus	LC	breeding	1996	100-200 breeding pairs	B3
Ruff Calidris pugnax	LC	breeding	2007	100-200 breeding pairs	C6
Broad-billed Sandpiper Calidris falcinellus	VU	breeding	1996	25-75 breeding pairs	B2
Temminck's Stint Calidris temminckii	LC	breeding	1996	1-20 breeding pairs	A3
Purple Sandpiper Calidris maritima	LC	breeding	1996	20-50 breeding pairs	A3, B3
Great Snipe Gallinago media	NT	breeding	2002-2007	100-200 males	A1, A4i, B1i, C1, C2, C6
Red-necked Phalarope Phalaropus lobatus	LC	breeding	1996	50-150 breeding pairs	A3
Spotted Redshank Tringa erythropus	LC	breeding	1996	1-5 breeding pairs	A3
Common Redshank Tringa totanus	LC	breeding	1996	150-250 breeding pairs	B2
Wood Sandpiper Tringa glareola	LC	breeding	1996	150-300 breeding pairs	C6
Long-tailed Jaeger Stercorarius longicaudus	LC	breeding	1996	10-50 breeding pairs	A3
Hen Harrier Circus cyaneus	LC	breeding	1996	20 breeding pairs	B2, C6
Rough-legged Buzzard Buteo lagopus	LC	breeding	1996	5-50 breeding pairs	A3
Three-toed Woodpecker Picoides tridactylus	LC	breeding	2007	50-250 breeding pairs	B2, C6
Merlin Falco columbarius	LC	breeding	2007	25-50 breeding pairs	C6
Gyrfalcon Falco rusticolus	LC	non-breeding	1996	4-5 individuals	A3
Meadow Pipit Anthus pratensis	LC	breeding	2007	5,000-8,000 breeding pairs	B3

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

Year	Protected Area	Designation	% overlap with IBA
1900	Åsvalltjärnarna Storlien	Djur- och växtskyddsområde	<1
1900	Storsjö fågelskyddsområde	Djur- och växtskyddsområde	<1
1900	Indalsälven; holmar vid Mörsil	Djur- och växtskyddsområde	<1
1974	Lake Ånnsjön	Ramsar Site, Wetland of International Importance	10
1976	Enadeltat	Bird Sanctuary	<1
1976	Hallsnaset	Bird Sanctuary	<1
1983	Häckelberget	Djur- och växtskyddsområde	<1
1990	Ånnsjön; Enadeltat	Djur- och växtskyddsområde	1
1990	Topptjarn (Storlien)	Bird Sanctuary	<1
1995	Vålådalen	Site of Community Importance (Habitats Directive)	17
1996	Ånnsjön	Special Protection Area (Birds Directive)	8
1999	Ånnsjön	Site of Community Importance (Habitats Directive)	8
1999	Åreälven	Site of Community Importance (Habitats Directive)	1
2004	Vålådalen	Special Protection Area (Birds Directive)	16
2006	Väster-Dalsvallen	Site of Community Importance (Habitats Directive)	<1
2016	Vålådalen utvidgning	Naturreservat	16
2016	Ånnsjön; Halsnäsdeltat	Djur- och växtskyddsområde	<1

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

Name	Year formed
Ånnsjöns Fågelstation	0

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

Habitat1	Habitat detail	% of IBA
Forest	Broadleaved deciduous woodland, Native coniferous woodland, Mixed woodland, Wooded tundra, Treeline ecotone	major (>10)
Grassland	Tundra, Alpine, subalpine and boreal grassland	major (>10)
Wetlands (inland)	Rivers and streams, Fens, transition mires and springs, Standing freshwater	major (>10)

1. IUCN Habitat classification.

Land use	% of IBA
hunting	80
other	50
nature conservation and research	30
tourism/recreation	25
forestry	20
water management	10

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Lake Ånn – Storlien (Sweden). Downloaded from https://datazone.birdlife.org/site/factsheet/lake-ånn-–-storlien-iba-sweden on 23/11/2024.