Description
Seabed habitat map (EUNIS 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), bathymetrics (2010, 2008, 2001), orthophotos (2008), historical maps (2004-2006).
Ground truth data sources (2009-2011) : Divers with underwater cameras, ROV, Smith McIntyre grab, sediment dredges.
Map confidence rated by Ifremer : 91% (Areas with doubtful outlines are mentioned in the "VAL_COMM" field ).
Resources
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