FR052
Etangs et marais du bassin de la Somme


IBA Criteria

Year of most recent IBA criteria assessment: 2000

Populations of IBA trigger species
Species Current IUCN Red List Category Season Year(s) of estimate Population estimate IBA Criteria Triggered
Eurasian Bittern Botaurus stellaris LC breeding 1997 10 breeding pairs C6
Common Little Bittern Ixobrychus minutus LC breeding 1991 20-25 breeding pairs B2, C6
Western Marsh-harrier Circus aeruginosus LC breeding 1991 20-23 breeding pairs C6
Bluethroat Cyanecula svecica LC breeding 1991 20-25 breeding pairs C6

Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.

For more information about the IBA assessment process and criteria please click here


IBA Protection

Protected Area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)
Vallée d'Acon Arrêté de protection de biotope 9 protected area is adjacent to site 0
Tourbières et marais de l'Avre Site of Community Importance (Habitats Directive) 322 protected area overlaps with site 68
Notre-Dame de Vaux Terrain acquis par un conservatoire d'espaces naturels 10 protected area overlaps with site 0
Moyenne vallée de la Somme Site of Community Importance (Habitats Directive) 1,825 protected area overlaps with site 1,016
MOYENNE VALLEE DE LA SOMME Terrain acquis par le Conservatoire du Littoral 120 protected area overlaps with site 0
Marais et tourbières des vallées de la Somme et de l’Avre Ramsar Site, Wetland of International Importance 13,100 protected area overlaps with site 0
Marais et monts de Mareuil-Caubert Site of Community Importance (Habitats Directive) 894 protected area overlaps with site 608
Marais de la moyenne Somme entre Amiens et Corbie Site of Community Importance (Habitats Directive) 525 protected area overlaps with site 99
Marais communal de la Chaussée-Tirancourt Arrêté de protection de biotope 80 protected area contained by site 0
Le Marais de La Chaussée Terrain acquis par un conservatoire d'espaces naturels 72 protected area contained by site 0
La Montagne Terrain acquis par un conservatoire d'espaces naturels 10 protected area overlaps with site 0
Grand marais de la Queue Arrêté de protection de biotope 15 protected area contained by site 0
Étangs et marais du bassin de la Somme Special Protection Area (Birds Directive) 5,243 protected area overlaps with site 3,309
Étang Saint-Ladre Réserve naturelle nationale 13 protected area contained by site 0
Canal de la Somme Hunting Reserve 0 protected area contained by site 0
Boves Nature Reserve 13 protected area contained by site 13
Basse vallée de la Somme de Pont-Rémy à Breilly Site of Community Importance (Habitats Directive) 1,453 protected area overlaps with site 578

Habitats

IUCN Habitat Habitat detail Extent (% of site)
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 -
Artificial/Terrestrial Highly improved re-seeded landscapes, Arable land, Perennial crops, orchards and groves -
For further information about the habitat classification please click here.

Land use

Land-use Extent (% of site)
agriculture -
fisheries/aquaculture -
forestry -
hunting -
tourism/recreation -
urban/industrial/transport -
For further information about the land use classification please click here.


Recommended citation
BirdLife International (2022) Important Bird Areas factsheet: Etangs et marais du bassin de la Somme. Downloaded from http://www.birdlife.org on 19/01/2022.