Data Zone
Year of most recent IBA criteria assessment: 2014
Populations of IBA trigger species| Species | Current IUCN Red List Category | Season | Year(s) of estimate | Population at site | IBA criteria triggered |
|---|---|---|---|---|---|
| Whooper Swan Cygnus cygnus | LC | winter | 2004-2013 | 230-1,040 individuals | B1i, B3 |
| Barnacle Goose Branta leucopsis | LC | passage | 2004-2013 | 671-1,500 individuals | B1i |
| Pink-footed Goose Anser brachyrhynchus | LC | passage | 2004-2013 | 260-1,700 individuals | B1i |
| Common Teal Anas crecca | LC | passage | 2004-2013 | 1,265-5,400 individuals | B1i |
| Eurasian Curlew Numenius arquata | NT | passage | 2004-2014 | 11-292 individuals | A1 |
| Osprey Pandion haliaetus | LC | breeding | 2004-2013 | 6-9 breeding pairs | B2 |
Note: The current IUCN Red List category may differ from the category that was valid at the time of IBA criteria assessment.
For more information about the IBA criteria, please click here
| IBA conservation status - summary | |||
|---|---|---|---|
| Year of assessment (most recent) | Threat (pressure) | Condition (state) | Action (response) |
| 2020 | very high | not assessed | medium |
| Was the whole site assessed? | yes | Condition (state) assessed by | unset |
| 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 - agro-industry farming | likely in long term (beyond 4 years) | small area/few individuals (<10%) | slow but significant deterioration | low |
| Agricultural expansion and intensification | livestock farming and ranching (includes forest grazing) - agro-industry grazing, ranching or farmin | happening now | small area/few individuals (<10%) | no or imperceptible deterioration | low |
| Biological resource use | hunting & collecting terrestrial animals - intentional use (species being assessed is the target) | happening now | small area/few individuals (<10%) | slow but significant deterioration | low |
| Climate change and severe weather | storms and floods | happening now | some of area/population (10-49%) | slow but significant deterioration | medium |
| Human intrusions and disturbance | recreational activities | happening now | some of area/population (10-49%) | slow but significant deterioration | medium |
| Invasive and other problematic species and genes | problematic native species/diseases - named species | happening now | some of area/population (10-49%) | slow but significant deterioration | medium |
| Natural system modifications | dams & water management/use - abstraction of surface water (commercial use) | happening now | whole area/population (>90%) | very rapid to severe deterioration | very high |
| Pollution | domestic & urban waste water - type unknown/unrecorded | happening now | some of area/population (10-49%) | slow but significant deterioration | medium |
| Condition of the site (state), by species | ||||||
|---|---|---|---|---|---|---|
| Scientific name | Common name | Reference population | Actual population | Units | % of population remaining | Result |
| Cygnus cygnus | Whooper Swan | 1040 | 715 | individuals | 69 | unfavourable |
| Branta leucopsis | Barnacle Goose | 2200 | 2164 | individuals | 99 | favourable |
| Anser brachyrhynchus | Pink-footed Goose | 1700 | 350 | individuals | 21 | very unfavourable |
| Mareca penelope | Eurasian Wigeon | 800 | 738 | individuals | 93 | favourable |
| Anas crecca | 1265 | 2020 | individuals | 100 | favourable | |
| Crex crex | Corncrake | 1 | 1 | individuals | 100 | favourable |
| Numenius arquata | Eurasian Curlew | 292 | 333 | individuals | 100 | favourable |
| Pandion haliaetus | Osprey | 9 | 9 | breeding pairs | 100 | favourable |
| Conservation actions taken at the site (response) | |||
|---|---|---|---|
| Protected-area designation | Management planning | Other conservation action | Result |
| Whole area of site (>90%) covered by appropriate conservation designation | A comprehensive and appropriate management plan exists that aims to maintain or improve the populations of qualifying bird species | Some limited conservation initiatives are in place | medium |
| Protected area (PA) | PA designation | PA area (ha) | Relationship of PA with IBA | Overlap of PA with IBA (ha) |
|---|---|---|---|---|
| Sørumsneset | Naturreservat | 112 | protected area contained by site | 0 |
| Rud | Nature Reserve | 12 | protected area is adjacent to site | 0 |
| Råsok | Naturreservat | 10 | protected area is adjacent to site | 0 |
| Nordre Øyeren | Naturreservat | 6,257 | protected area contained by site | 6,260 |
| Nordre Oyeren | Ramsar Site, Wetland of International Importance | 6,256 | protected area contained by site | 6,260 |
| IUCN Habitat | Habitat detail | Extent (% of site) |
|---|---|---|
| Forest | Broadleaved deciduous woodland, Native coniferous woodland, Mixed woodland | - |
| Wetlands (inland) | Standing freshwater, Rivers and streams | - |
| Artificial/Terrestrial | Arable land | - |
| Land-use | Extent (% of site) |
|---|---|
| hunting | - |
| agriculture | - |
| tourism/recreation | - |
| water management | - |
Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Nordre Øyeren & Sørumsneset. Downloaded from
http://datazone.birdlife.org/site/factsheet/3172 on 31/05/2023.
