Seabed habitat map (EUNIS classification system) performed by CREOCEAN, LIENSs, EPOC, GEOTRANSFERT, RE NATURE ENVIRONNEMENT & IODDE 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: sonar (2011), orthos (2000), historical data (Hamdi et al., 2010; Hily, 1976; Chass├®, 1974) Ground truth data sources (2010-2012): hamon grab, sediment dredges, direct human observations Map confidence rated by Ifremer : 88%

Seabed habitat map (current EUNIS classification system and submission) performed by CREOCEAN, LIENSs, EPOC, GEOTRANSFERT, RE NATURE ENVIRONNEMENT & IODDE within the framework of CARTHAM ("cartographie des habitats marins") project coordinated by the French Biodiversity Agency (Agence fran├ºaise pour la biodiversit├®, AFB). This map concerns polygons for which at least one habitat IS NOT in the current EUNIS classification (2007-2011). Digital data sources: orthos (2000), prefectural decrees Ground truth data sources (2011-2012): direct human observations Map confidence rated by Ifremer : 89%