Seabed habitat map (EUNIS habitat classification system) performed by In GIS Posidonie within the framework of CARTHAM ("cartographie des habitats marins") project coordinated by the French Biodiversity Agency (Agence fran├ºaise pour la biodiversit├®, AFB). Digital data sources : Side scan sonar (2010), digital elevation model (2010, 2005), orthophotos 2008, satellite images (2010), historic habitat maps (1965). Ground truth data sources (2010) : Divers with underwater cameras (3 points), ROV (1). Map confidence rated by Ifremer : 69% (Areas with doubtful classification and outlines).

Seabed habitat map (EUNIS habitat classification system) performed by GIS Posidonie within the framework of CARTHAM ("cartographie des habitats marins") project coordinated by the French Biodiversity Agency (Agence fran├ºaise pour la biodiversit├®, AFB). Digital data sources : Side scan sonar (2010), digital elevation model (2010), orthophotos 2008, satellite images (2010), historic habitat maps (1965). Ground truth data sources (2010) : Divers with underwater cameras (37 points), ROV (9). Map confidence rated by Ifremer : 89% (Areas with doubtful outlines are mentioned in the "VAL_COMM" field).

Seabed habitat map (habitats directive classification system) performed by GIS Posidonie within the framework of CARTHAM ("cartographie des habitats marins") project coordinated by the French Biodiversity Agency (Agence fran├ºaise pour la biodiversit├®, AFB). Digital data sources : Side scan sonar (2010), digital elevation model (2010), orthophotos 2008, satellite images (2010). Ground truth data sources (2010) : Divers with underwater cameras (3 points). Map confidence rated by Ifremer : 89% (doubtful outlines).