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Location Denmark, Fyns Amtskommune
Central coordinates 10o 20.00' East  55o 5.00' North
IBA criteria C6
Area 660 ha
Altitude 40 - 70m
Year of IBA assessment 2000

Dansk Ornitologisk Forening

Site description Freshwater lake surrounded by forest and agricultural land. Habitat data are incomplete.

Key Biodiversity Circus aeruginosus and Haliaeetus albicilla, listed on Annex I of the EC Birds Directive, breed at the site.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
White-tailed Sea-eagle Haliaeetus albicilla resident  1997  1 breeding pairs  good  C6  Least Concern 

IBA Monitoring

2010 not assessed very unfavourable not assessed
Good - based on reliable and complete / representative data

Botaurus stellaris Eurasian Bittern 3 3 breeding pairs 100 favourable
Pernis apivorus European Honey-buzzard 1 1 breeding pairs 100 favourable
Circus aeruginosus Western Marsh-harrier 2 2 breeding pairs 100 favourable
Sterna hirundo Common Tern 17 0 breeding pairs 0 very unfavourable


IUCN habitat Habitat detail Extent (% of site)
Forest   15%
Wetlands (inland) Standing freshwater  70%
Artificial - terrestrial Arable land  15%

Land use

Land-use Extent (% of site)
forestry 15%
agriculture 15%
unknown 70%

Protection status National High International High660 ha of IBA covered by Special Protection Area (Arreskov Sø, 660 ha).

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Arreskov Sø. Downloaded from on 27/10/2016

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