NO034
Inner Trondheimsfjord


IBA Justification

The site was identified as important in 2014 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.

Populations meeting IBA criteria ('trigger species'):
Species Current IUCN Red List Category Season Year(s) Population estimate at site IBA criteria met
Greylag Goose Anser anser LC passage 2009-2013 7,000-9,300 individuals B1i
Pink-footed Goose Anser brachyrhynchus LC passage 2005-2014 70,000-80,000 individuals A4i, B1i
Common Eider Somateria mollissima NT winter 2004-2013 2,000-5,000 individuals B1i, B3
Horned Grebe Podiceps auritus VU winter 2004-2013 100-200 individuals B1i, B2
A4iii Species group - waterbirds n/a passage 2005-2014 77,000-89,300 individuals A4iii

The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2014).


IBA Protection

Protected area (PA) PA designation PA area (ha) Relationship of PA with IBA Overlap of PA with IBA (ha)
Vikaleiret Dyrefredningsområde 3 protected area contained by site 0
Vellamelen Dyrefredningsområde 7 protected area contained by site 0
Tynesfjæra Dyrefredningsområde 6 protected area contained by site 0
Trondheimfjord wetland system Ramsar Site, Wetland of International Importance 670 protected area overlaps with site 0
Rolsøya Naturreservat 4 protected area contained by site 0
Rinnleiret Naturreservat 113 protected area contained by site 210
Ørin Nature Reserve 27 protected area contained by site 0
Ørin Nature Reserve 48 protected area contained by site 49
Lundleiret Dyrefredningsområde 8 protected area contained by site 0
Kausmofjæra Wildlife Conservation Area 100 protected area contained by site 0
Hammeren Naturreservat 12 protected area contained by site 40
Falstadbukta Dyrefredningsområde 4 protected area contained by site 0
Eidsbotn Flora and Fauna Protection Area 230 protected area contained by site 230
Eidsbotn Dyrefredningsområde 195 protected area overlaps with site 0
Bjørga Dyrefredningsområde 7 protected area contained by site 0
Alnes Dyrefredningsområde 4 protected area contained by site 0

Habitats

Habitat (IUCN level 1) Habitat detail Extent (% of site)
Marine Neritic -
Marine Intertidal -
For more information about the IUCN Habitat classification, please click here.

Land use

Land-use Extent (% of site)
military -
nature conservation and research -
tourism/recreation -
urban/industrial/transport -
hunting -


Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Inner Trondheimsfjord. Downloaded from http://datazone.birdlife.org/site/factsheet/inner-trondheimsfjord-iba-norway on 30/11/2023.