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'):| Species | Current IUCN Red List Category | Season | Year(s) | Population estimate at site | IBA criteria met |
|---|---|---|---|---|---|
| Brent Goose Branta bernicla | LC | winter | 1991 | 250-750 individuals | B1i, C3 |
The current IUCN Red List category may differ from that which was valid at the time of IBA criteria assessment (2000).
| Protected area (PA) | PA designation | PA area (ha) | Relationship of PA with IBA | Overlap of PA with IBA (ha) |
|---|---|---|---|---|
| Pointe d'Agon | Terrain acquis par le Conservatoire du Littoral | 202 | protected area overlaps with site | 0 |
| Littoral Ouest du Cotentin de Bréhal à Pirou | Site of Community Importance (Habitats Directive) | 3,375 | protected area overlaps with site | 1,936 |
| La Sienne et ses affluents | Biotope Protection Order | 1,836 | protected area is adjacent to site | 0 |
| Havre de la Sienne | Special Protection Area (Birds Directive) | 2,167 | protected area overlaps with site | 1,917 |
| Chausey | Special Protection Area (Birds Directive) | 82,426 | protected area overlaps with site | 946 |
| Chausey | Site of Community Importance (Habitats Directive) | 82,836 | protected area overlaps with site | 947 |
| Habitat (IUCN level 1) | Habitat detail | Extent (% of site) |
|---|---|---|
| Marine Neritic | - | |
| Marine Intertidal | - |
| Land-use | Extent (% of site) |
|---|---|
| agriculture | - |
| fisheries/aquaculture | - |
| hunting | - |
| tourism/recreation | - |
| urban/industrial/transport | - |
Recommended citation
BirdLife International (2023) Important Bird Area factsheet: Havre de la Sienne. Downloaded from
http://datazone.birdlife.org/site/factsheet/havre-de-la-sienne-iba-france on 05/10/2023.
