FR052
Etangs et marais du bassin de la Somme


IBA Justification

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

IBA Protection

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

Habitats

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

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.