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Location Denmark, Sønderjyllands Amtskommune
Central coordinates 9o 27.00' East  54o 57.00' North
IBA criteria C6
Area 1,330 ha
Altitude 30 - 50m
Year of IBA assessment 2000

Dansk Ornitologisk Forening

Site description A large lake surrounded by meadows, heathland, bog and forest. Percentage cover of habitat and land-use types are poorly known.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
White-tailed Sea-eagle Haliaeetus albicilla resident  1996  1 breeding pairs  good  C6  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Hostrup Sø, Assenholm Mose og Felsted Vestermark - DK009X058 Birds Directive 1,322 protected area overlaps with site 1,262  


IUCN habitat Habitat detail Extent (% of site)
Shrubland Heathland  15%
Grassland Humid grasslands  25%
Wetlands (inland) Standing freshwater  30%
Artificial - terrestrial Arable land; Forestry plantations  30%

Land use

Land-use Extent (% of site)
agriculture 20%
forestry 15%
military 30%
unknown 45%

Protection status National None International High1,330 ha of IBA covered by Special Protection Area (Hostrup Sø, 1,330 ha).

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Hostrup Sø, Assenholm Mose and Felsted Vestermark. Downloaded from on 21/08/2014

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