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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
Smew Mergellus albellus	LC	winter (2000–2006)	300–600 birds	B1i, C2, C3
Goosander Mergus merganser	LC	winter (1999)	7,110 birds	A4i, B1i, C3
Tufted Duck Aythya fuligula	LC	winter (1998–2006)	5,000–20,000 birds	A4i, B1i, C3
A4iii Species group - waterbirds	n/a	winter (2000–2006)	20,000-49,999 birds	A4iii, C4

Year	Protected Area	Designation (management category)	% coverage of IBA
1900	Svinö	Naturreservat (IV)	1
2000	Lindö	Naturreservat (IV)	1
2001	Biotopskydd 2001:28	Biotopskyddsområde (Ia)	<1
2001	Biotopskydd 2001:29	Biotopskyddsområde (Ia)	<1
2010	Biotopskydd 2010:7	Biotopskyddsområde (Ia)	<1
2016	Björnö	Naturreservat (IV)	<1
2017	Horsö-Värsnäs	Naturreservat (V)	3

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

Name	Year formed
Kalmar Ornitologiska Förening	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	85
Artificial/Terrestrial	5	Arable land; Other urban and industrial areas
Forest	5	Mixed woodland; Native coniferous woodland
Marine Coastal/Supratidal	5

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Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Kalmar – Pataholm (Sweden). Downloaded from https://datazone.birdlife.org/site/factsheet/kalmar-–-pataholm-iba-sweden on 28/12/2024.