Lake Kvismaren

IBA Criteria

Year of most recent IBA criteria assessment: 2000

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Bean Goose Anser fabalis LC passage 1996 5,000-25,000 individuals A4i, B1i, C3
Common Crane Grus grus LC passage 1996 200-2,500 individuals A4i, B1i, C2
Western Marsh-harrier Circus aeruginosus LC breeding 1996 15-18 breeding pairs C6
Common Grasshopper-warbler Locustella naevia LC breeding 1996 25-50 breeding pairs B3

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here

IBA Monitoring

Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2018 low favourable high
Was the whole site covered? Yes State assessed by Habitat
Accuracy of information good

Threats to the site (pressure)
Threat Level 1 Threat Level 2 Timing Scope Severity Result
Agricultural expansion and intensification annual & perennial non-timber crops - shifting agriculture happening now some of area/population (10-49%) no or imperceptible deterioration low

Condition of habitat (state)
Habitat Habitat Detail Reference Area (ha) Actual Area (ha) % of habitat remaining % of carrying capacity (overall) Result
Wetlands (inland) Standing freshwater 0 0 good (> 90%) good (> 90%) favourable

Conservation actions taken at site (response)
Conservation Designation Management Planning Conservation Action Result
Most of site (50-90%) covered (including the most critical parts for important bird species) A comprehensive and appropriate management plan exists that aims to maintain or improve the populations of qualifying bird species The conservation measures needed for the site are being comprehensively and effectively implemented high
For more information about IBA monitoring please click here

IBA Protection

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Sörön Naturreservat 22 protected area contained by site 23
Sörön Site of Community Importance (Habitats Directive) 22 protected area contained by site 22
Lövholmen Naturminne 1 protected area contained by site 0
Kvismarens naturreservat Special Protection Area (Birds Directive) 740 protected area contained by site 740
Kvismarens naturreservat Site of Community Importance (Habitats Directive) 740 protected area contained by site 0
Kvismaren Naturreservat 740 protected area contained by site 732
Kvismaren Ramsar Site, Wetland of International Importance 780 protected area contained by site 780


IUCN Habitat Habitat detail Extent (% of site)
Forest Alluvial and very wet forest -
Shrubland Scrub -
Grassland Humid grasslands -
Wetlands (inland) Standing freshwater, Water fringe vegetation -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
hunting -
nature conservation and research -
not utilised -
agriculture -
For further information about the land use classification please click here.

Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Lake Kvismaren. Downloaded from on 09/08/2022.