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Location Norway, Hedmark
Central coordinates 11o 39.00' East  60o 22.00' North
IBA criteria B1i, B3
Area 5,700 ha
Altitude 132 - 140m
Year of IBA assessment 2014

Norsk Ornitologisk Forening

Site description A shallow lake (up to 17 m deep) surrounded by mixed forest, Alnus forest and agricultural land. It is normally ice-covered in winter.

Key Biodiversity A wide range of waterbirds stage here on passage.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Whooper Swan Cygnus cygnus winter  2004-2014  200-700 individuals  good  B1i, B3  Least Concern 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Seimsjøen Nature Reserve 323 protected area contained by site 0  


IUCN habitat Habitat detail Extent (% of site)
Wetlands (inland) Standing freshwater  100%

Land use

Land-use Extent (% of site)
nature conservation and research 7%

Protection status National None International None

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

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