Data Zone
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') at the site:| Species | Red List1 | Season | Year(s) | Size | IBA criteria |
|---|---|---|---|---|---|
| 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 |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2014) may differ.
| Year | Protected Area | Designation | % overlap with IBA |
|---|---|---|---|
| 1984 | Eidsbotn | Dyrefredningsområde | 5 |
| 1984 | Eidsbotn | Flora and Fauna Protection Area | 6 |
| 1984 | Hammeren | Naturreservat | 1 |
| 1993 | Ørin | Nature Reserve | 1 |
| 2002 | Trondheimfjord wetland system | Ramsar Site, Wetland of International Importance | 12 |
| 2003 | Lundleiret | Dyrefredningsområde | 6 |
| 2003 | Falstadbukta | Dyrefredningsområde | 4 |
| 2003 | Alnes | Dyrefredningsområde | 3 |
| 2003 | Tynesfjæra | Dyrefredningsområde | 3 |
| 2003 | Bjørga | Dyrefredningsområde | 3 |
| 2003 | Vellamelen | Dyrefredningsområde | 2 |
| 2003 | Vikaleiret | Dyrefredningsområde | 1 |
| 2003 | Rolsøya | Naturreservat | <1 |
| 2003 | Kausmofjæra | Wildlife Conservation Area | - |
| 2011 | Rinnleiret | Naturreservat | 6 |
| 2016 | Ørin | Nature Reserve | 6 |
| Habitat1 | Habitat detail | % of IBA |
|---|---|---|
| Marine Neritic | 85 | |
| Marine Intertidal | 15 |
| Land use | % of IBA |
|---|---|
| military | - |
| nature conservation and research | - |
| tourism/recreation | - |
| urban/industrial/transport | - |
| hunting | - |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Inner Trondheimsfjord (Norway). Downloaded from
https://datazone.birdlife.org/site/factsheet/inner-trondheimsfjord-iba-norway on 25/11/2024.