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Location Sweden, Värmland,Västra Götaland
Central coordinates 14o 2.31' East  59o 2.53' North
IBA criteria B1iv, C5
Area 9,100 ha
Altitude 45 - 55m
Year of IBA assessment 2007

Sveriges Ornitologiska Förening

Site description Kilsviken is a nutrient-rich bay off Lake Vänern and is surrounded by agricultural land. The shoreline is largely made up of reedbeds (Phragmites) and water-meadows and there is rich aquatic vegetation. Associated with Kilsviken is Kolstrandsviken Bay, which is moderately-rich in nutrients and contains mudflats, and åråsviken Bay. The northern part of åråsviken supports extensive areas of Phragmites, and grazing-meadows and damp forests occur on the many islands.

Key Biodiversity The IBA is important for breeding waterbirds and raptors, and as a stop-over site for migrating waders. Wintering species of global conservation concern that do not meet IBA criteria: Haliaeetus albicilla (4-8 birds).

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
A4iv Species group - soaring birds/cranes passage  2006  3,000 individuals  B1iv, C5   

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Åråsviken-Vallholmen - SE0540120 Birds Directive 783 protected area contained by site 783  
Åråsvikens norra skärgård - SE0610249 Birds Directive 352 protected area contained by site 352  
Dyro-Mallskars Skar Bird Sanctuary 0 protected area overlaps with site 0  
Dyrön - SE0610250 Birds Directive 544 protected area contained by site 544  
Gullspångsälven Nature Reserve 175 protected area contained by site 175  
Gullspångsälven - SE0540213 Habitats Directive 157 protected area overlaps with site 145  
Inre Kilsviken Nature Reserve 127 protected area contained by site 132  
Inre Kilsviken - SE0610004 Birds Directive 129 protected area contained by site 129  
Kilsviken Wetlands of International Importance (Ramsar) 9,090 is identical to site 9,090  
Nötön-Åråsviken Nature Reserve 2,187 protected area contained by site 2,220  
Nötön-Åråsviken - SE0610010 Birds Directive 2,188 protected area contained by site 2,188  
Vallholmen Nature Reserve 304 protected area contained by site 107  
Vallholmen Wildlife and Plant Sanctuary 160 protected area contained by site 107  
Värmlands Säby - SE0610248 Birds Directive 185 protected area overlaps with site 151  


IUCN habitat Habitat detail Extent (% of site)
Forest Broadleaved deciduous woodland; Mixed woodland; Native coniferous woodland  15%
Grassland Humid grasslands; Mesophile grasslands  5%
Wetlands (inland) Rivers and streams; Standing freshwater; Water fringe vegetation  70%
Rocky areas Scree & boulders  5%
Artificial - terrestrial Arable land; Highly improved re-seeded landscapes  5%

Land use

Land-use Extent (% of site)
agriculture 5%
forestry 5%
nature conservation and research 25%
tourism/recreation 10%
not utilised 25%

Protection status National Partial International HighIBA overlaps with Bird Sanctuary (Dyro-Mallskars Skar). IBA overlaps with Nature Reserve (Inner Kilsviken, 132 ha). IBA overlaps with Nature Reserve (Noton-Arasviken). IBA overlaps with Nature Reserve (Vallholmen, 107 ha). 8,910 ha of IBA covered by Ramsar Site (Kilsviken, 8,910 ha). IBA overlaps with three Special Protection Areas (totalling 2,554 ha).

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Recommended citation  BirdLife International (2015) Important Bird Areas factsheet: Bay of Kilsviken. Downloaded from on 28/01/2015

To provide new information to update this factsheet or to correct any errors, please email BirdLife