Lake Solgen

IBA Criteria

Year of most recent IBA criteria assessment: 2007

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Smew Mergellus albellus LC passage 2006 10-30 individuals C6
Common Crane Grus grus LC breeding 2006 7 breeding pairs C6
Arctic Loon Gavia arctica LC breeding 2005 3-5 breeding pairs C6
Eurasian Bittern Botaurus stellaris LC breeding 2006-2007 2-4 males C6
Common Tern Sterna hirundo LC breeding 2005 29-47 breeding pairs C6
Tawny Owl Strix aluco LC breeding 2006 15-20 breeding pairs C6
Osprey Pandion haliaetus LC breeding 2005 5 breeding pairs C6
European Honey-buzzard Pernis apivorus LC breeding 2006 3-6 breeding pairs C6
Western Marsh-harrier Circus aeruginosus LC breeding 2006 2-4 breeding pairs C6
White-tailed Sea-eagle Haliaeetus albicilla LC passage 2006 5-20 individuals A1, C1, C6
Black Woodpecker Dryocopus martius LC breeding 2005 14-18 breeding pairs C6
Red-backed Shrike Lanius collurio LC breeding 2006 10-15 breeding pairs C6

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)
2007 high very unfavourable low
Was the whole site covered? Yes State assessed by Population
Accuracy of information medium

Threats to the site (pressure)
Threat Level 1 Threat Level 2 Timing Scope Severity Result
Agricultural expansion and intensification livestock farming and ranching (includes forest grazing) - small-holder grazing, ranching or farming likely in long term (beyond 4 years) some of area/population (10-49%) moderate to rapid deterioration medium
Energy production and mining renewable energy happening now whole area/population (>90%) slow but significant deterioration high
Human intrusions and disturbance recreational activities happening now majority/most of area/population (50-90%) moderate to rapid deterioration high

Condition of key/trigger populations (state)
Scientific Common TargetPop ActualPop Units Remaining Result
Gavia arctica Arctic Loon 15 5 breeding pairs 34 very unfavourable
Pandion haliaetus Osprey 10 5 breeding pairs 50 unfavourable
Haliaeetus albicilla White-tailed Sea-eagle 1 1 breeding pairs 100 favourable

Conservation actions taken at site (response)
Conservation Designation Management Planning Conservation Action Result
Some of site covered (10-49%) A management plan exists but it is out of date or not comprehensive Some limited conservation initiatives are in place low
For more information about IBA monitoring please click here

IBA Protection

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Solgens södra övärld Naturreservat 135 protected area contained by site 0
Solgens öar Site of Community Importance (Habitats Directive) 187 protected area contained by site 187
Solgens norra övärld Naturreservat 367 protected area contained by site 0
Solgens centrala övärld Naturreservat 288 protected area contained by site 289

Local conservation groups

The local conservation groups below are working to support conservation at this IBA.

Name Year formed
Svenska naturskyddsföreningen Eksjöavdelningen 0
For more information on BirdLife's work with Local conservation groups please click here.


IUCN Habitat Habitat detail Extent (% of site)
Forest Broadleaved deciduous woodland, Native coniferous woodland, Mixed woodland, Alluvial and very wet forest -
Shrubland Scrub -
Grassland Dry siliceous grassland -
Wetlands (inland) Standing freshwater, Water fringe vegetation -
Artificial/Terrestrial Highly improved re-seeded landscapes, Arable land -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
agriculture -
forestry -
hunting -
tourism/recreation -
fisheries/aquaculture -
nature conservation and research -
energy production and mining -
For further information about the land use classification please click here.

Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: Lake Solgen. Downloaded from on 21/03/2023.