Seabed habitat map (EUNIS classification system) performed by Stareso 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 (2010-2011), orthos (2010-2011), historical data (Cancemi et al., 2011; Cancemi et al., 2005; Pasqualini, 1997) Ground truth data sources (2008-2012): diving, sea-viewer, direct human observations, ROV Map confidence rated by Ifremer : 79%

Seabed habitat map (Habitat Directive classification system) performed by Stareso 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 (2010-2011), historical data (Guennoc et al., 2001; Pasqualini, 1997) Ground truth data sources: none Map confidence rated by Ifremer : 50%

Seabed habitat map (Habitat Directive classification system) performed by Stareso 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 (2010-2011), orthos (2010-2011), historical data (Cancemi et al., 2005; Pasqualini, 1997) Ground truth data sources (1996-2012): diving, sea-viewer, direct human observations, ROV Map confidence rated by Ifremer : 73%

Seabed habitat map (EUNIS classification system) performed by Stareso, Evemar and Sintinelle 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: orthos (2007-2012), historical data (Cancemi et al., 2011; Cancemi et Baroli, 2007; Pasqualini, 1997) Ground truth data sources (2007-2011): diving Map confidence rated by Ifremer : 81%

Seabed habitat map (Habitat Directive classification system) performed by Stareso, Evemar and Sintinelle 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: orthos (2007-2011), historical data (Cancemi et al., 2011; Cancemi et Baroli, 2007; Pasqualini, 1997) Ground truth data sources: none Map confidence rated by Ifremer : 59%

Seabed habitat map (Typologie des biocenoses de Mediterranee classification system) performed by Stareso, Evemar and Sintinelle 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: orthos (2011) Ground truth data sources: none Map confidence rated by Ifremer : 59%

Seabed habitat map (Habitat Directive classification system) performed by Stareso 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: orthos (2010-2011), historical data (Pasqualini, 1997) Ground truth data sources (2008-2012): diving, sea-viewer Map confidence rated by Ifremer : 69%

Seabed habitat map (Habitat Directive classification system) performed by Stareso 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: historical data (Guennoc et al., 2001) Ground truth data sources: none Map confidence rated by Ifremer : 45%

Seabed habitat map (EUNIS classification system) performed by Stareso, Evemar and Sintinelle 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 (2010-2011), orthos (2010-2011), historical data (Pasqualini, 1997) Ground truth data sources (2005-2012): diving, direct human observations Map confidence rated by Ifremer : 84%

Seabed habitat map (Habitat Directive classification system) performed by Stareso, Evemar and Sintinelle 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 (2010-2011), orthos (2010-2011), historical data (Pasqualini, 1997) Ground truth data sources (2002-2012): diving, sea-viewer, direct human observations Map confidence rated by Ifremer : 87%