Data Zone
The site was identified as internationally important for bird conservation 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 List | Season (year/s of estimate) | Size | IBA criteria |
|---|---|---|---|---|
| Eurasian Bittern Botaurus stellaris | LC | breeding (1997) | 10 pairs | C6 |
| Common Little Bittern Ixobrychus minutus | LC | breeding (1991) | 20–25 pairs | B2, C6 |
| Western Marsh-harrier Circus aeruginosus | LC | breeding (1991) | 20–23 pairs | C6 |
| Bluethroat Luscinia svecica | LC | breeding (1991) | 20–25 pairs | C6 |
| Year | Protected Area | Designation (management category) | % coverage of IBA |
|---|---|---|---|
| - | Le Marais de La Chaussée | Terrain acquis par un conservatoire d'espaces naturels (IV) | 1 |
| - | Notre-Dame de Vaux | Terrain acquis par un conservatoire d'espaces naturels (IV) | <1 |
| - | La Montagne | Terrain acquis par un conservatoire d'espaces naturels (IV) | <1 |
| - | Boves | Nature Reserve (-) | <1 |
| - | Canal de la Somme | Hunting Reserve (-) | - |
| 1979 | Étang Saint-Ladre | Réserve naturelle nationale (IV) | <1 |
| 1987 | Grand marais de la Queue | Arrêté de protection de biotope (IV) | <1 |
| 1989 | Marais communal de la Chaussée-Tirancourt | Arrêté de protection de biotope (IV) | 1 |
| 2008 | MOYENNE VALLEE DE LA SOMME | Terrain acquis par le Conservatoire du Littoral (IV) | 1 |
| 2017 | Marais et tourbières des vallées de la Somme et de l’Avre | Ramsar Site, Wetland of International Importance (IV) | 56 |
| Habitat | % of IBA | Habitat detail |
|---|---|---|
| Artificial/Terrestrial | - | Highly improved re-seeded landscapes; Arable land; Perennial crops, orchards and groves |
| Forest | - | Alluvial and very wet forest |
| Grassland | - | Humid grasslands |
| Wetlands (inland) | - | Standing freshwater; Rivers and streams; Raised bogs; Water fringe vegetation; Fens, transition mires and springs |
| Land use | % of IBA |
|---|---|
| agriculture | - |
| fisheries/aquaculture | - |
| forestry | - |
| hunting | - |
| tourism/recreation | - |
| urban/industrial/transport | - |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Etangs et marais du bassin de la Somme (France). Downloaded from
https://datazone.birdlife.org/site/factsheet/etangs-et-marais-du-bassin-de-la-somme-iba-france on 23/12/2024.