Data Zone
The site was identified as important in 2000 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 |
|---|---|---|---|---|---|
| Whooper Swan Cygnus cygnus | LC | passage | 1994 | 1,993 individuals | A4i, B1i, C2 |
| Tundra Swan Cygnus columbianus | LC | non-breeding | 1996 | 475 individuals | A4i, B1i, B2, C2, C6 |
| Greylag Goose Anser anser | LC | passage | 1994 | 2,024 individuals | B1i, C3 |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2000) may differ.
Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2000. The most recent assessment (2010) is shown below.
| IBA conservation assessment | |||
|---|---|---|---|
| Year of assessment | State | Pressure | Response |
| 2010 | very unfavourable | not assessed | not assessed |
| Whole site assessed? | State assessed by | Accuracy of information | |
| yes | population | good | |
| State (condition of the trigger species' populations) | |||||
|---|---|---|---|---|---|
| Species | Reference | Actual | Units | % remaining | Result |
| Greylag Goose Anser anser | 7,215 | 6,500 | individuals | 91 | favourable |
| Bean Goose Anser fabalis | 2,000 | 1,400 | individuals | 70 | near favourable |
| Little Tern Sternula albifrons | 12 | 2 | breeding pairs | 17 | very unfavourable |
| Caspian Tern Hydroprogne caspia | 1 | 1 | individuals | 100 | favourable |
| Circus cyaneus | 5 | 5 | individuals | 100 | favourable |
| Red Kite Milvus milvus | 1 | 1 | breeding pairs | 100 | favourable |
| Response (conservation actions taken for the trigger species and/or their habitats) | |||
|---|---|---|---|
| Protected areas | Management plan | Other action | Result |
| Not assessed | Not assessed | Not assessed | not assessed |
| Year | Protected Area | Designation | % overlap with IBA |
|---|---|---|---|
| 1951 | Tissø | Fredet ved afgørelse, exl. Kirkeomgivelser | <1 |
| 1983 | Tissø; Åmose og Hallenslev Mose | Special Protection Area (Birds Directive) | 100 |
| 1992 | Kalundborg Kommune | §3 beskyttet natur (alle søer, moser, vandløb, heder, enge mv) | 1 |
| 1998 | Åmose; Tissø, Halleby Å og Flasken | Site of Community Importance (Habitats Directive) | 100 |
| Habitat1 | Habitat detail | % of IBA |
|---|---|---|
| Wetlands (inland) | Standing freshwater | 95 |
| Artificial/Terrestrial | Arable land | 5 |
| Land use | % of IBA |
|---|---|
| forestry | - |
| hunting | - |
| tourism/recreation | - |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Tissø, Lille Åmose and Hallenslev Mose (Denmark). Downloaded from
https://datazone.birdlife.org/site/factsheet/tissø-lille-åmose-and-hallenslev-mose-iba-denmark on 23/11/2024.