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The site was identified as internationally important for bird conservation in 2001 because it was regularly supporting significant populations of the species listed below, meeting IBA criteria.

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

Species	Red List	Season (year/s of estimate)	Size	IBA criteria
Whooper Swan Cygnus cygnus	LC	passage (2001)	300–800 individuals	A4i, B1i, C2
Bean Goose Anser fabalis	LC	breeding (1996)	900–1,200 breeding pairs	B1i, C3
Bean Goose Anser fabalis	LC	passage (2001)	2,250–4,000 individuals	A4i, B1i, C3
Smew Mergellus albellus	LC	passage (2001)	50–150 individuals	C2
Goosander Mergus merganser	LC	breeding (1996)	1,400–1,800 breeding pairs	A4i, B1i, C3
Goosander Mergus merganser	LC	passage (2001)	1,800–4,000 individuals	A4i, B1i, C3
Eurasian Wigeon Mareca penelope	LC	passage (2001)	5,500–15,000 individuals	B1i, C3
Common Teal Anas crecca	LC	breeding (1996)	2,000–2,500 breeding pairs	B1i, C3
Common Teal Anas crecca	LC	passage (2001)	2,500–5,000 individuals	B1i, C3
Common Crane Grus grus	LC	passage (2001)	275–700 individuals	B1i, C2
Broad-billed Sandpiper Calidris falcinellus	VU	passage (2001)	150–450 individuals	A4i, B1i, C3
Spotted Redshank Tringa erythropus	LC	passage (2001)	800–1,500 individuals	A4i, B1i, C3
Common Greenshank Tringa nebularia	LC	passage (2001)	500–2,000 individuals	A4i, B1i, C3
Wood Sandpiper Tringa glareola	LC	passage (2001)	4,000–12,000 individuals	A4i, B1i, C2
Little Gull Hydrocoloeus minutus	LC	breeding (2001)	10–20 breeding pairs	B2
White-tailed Sea-eagle Haliaeetus albicilla	LC	passage (2001)	5–20 individuals	A1, C1

Year	Protected Area	Designation (management category)	% coverage of IBA
1971	Stora Tuvan	Nature Reserve (Ia)	5
1983	Röbäcksslätten	Wildlife and Plant Sanctuary (-)	12
2008	Ängsbacka	Naturreservat (IV)	1
2009	Södra Degernässlätten - Sundet	Naturreservat (IV)	4
2010	Umeälvens delta	Naturreservat (Ib)	48

Habitat	% of IBA	Habitat detail
Marine Intertidal	35
Marine Neritic	30
Forest	20	Broadleaved deciduous woodland
Artificial/Terrestrial	10	Ruderal land
Grassland	5	Humid grasslands

Land use	% of IBA
nature conservation and research	10
tourism/recreation	10
forestry	-
urban/industrial/transport	-

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Recommended citation
BirdLife International (2025) Important Bird Area factsheet: River Ume Delta and Plains (Sweden). Downloaded from https://datazone.birdlife.org/site/factsheet/river-ume-delta-and-plains-iba-sweden on 16/01/2025.