Keyword

benthos

42 record(s)
 
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  • Seabed habitat map (EUNIS classification system) performed by Andromede Oceanologie within the framework of CARTHAM ("cartographie des habitats marins") project coordinated by the French Biodiversity Agency (Agence française pour la biodiversité, AFB). Digital data sources : Side scan sonar (2009), bathymetrics (2012), orthophotos (2006), historical maps (2010, 2009, 2005). Ground truth data sources (2010-2012) : Van Veen grab, underwater cameras, diving. Map confidence rated by Ifremer : 82% (Areas with doubtful outlines and/or classification are mentioned in the "VAL_COMM" field ).

  • Seabed habitat map (Habitat Directive classification system) performed by Andromede Oceanologie within the framework of CARTHAM ("cartographie des habitats marins") project coordinated by the French Biodiversity Agency (Agence française pour la biodiversité, AFB). Digital data sources : Side scan sonar (2010), orthophotos (2008), historical maps (2003). Ground truth data sources (2011) : Diving with underwater cameras. Map confidence rated by Ifremer : 78%.

  • Seabed habitat map (Habitats directive classification system) performed by In Vivo Environnement within the framework of CARTHAM ("cartographie des habitats marins") project coordinated by the French Biodiversity Agency (Agence française pour la biodiversité, AFB). Digital data sources : Orthophotos 2008, historic habitat map (2008), bathymetric datas interpolation (2001). Ground truth data sources : Van Veen grab (1 point), hand corer (1), Diver with underwater cameras (2). Map confidence rated by Ifremer : 84%.

  • Seabed habitat map (EUNIS classification system) performed by Andromede Oceanologie within the framework of CARTHAM ("cartographie des habitats marins") project coordinated by the French Biodiversity Agency (Agence française pour la biodiversité, AFB). Digital data sources : Side scan sonar (2010, 2007), bathymetrics (2008, 2007), orthophotos (2004), historical maps. Ground truth data sources (2010-2011) : Diving. Map confidence rated by Ifremer : 78%.

  • Seabed habitat map (EUNIS classification system) performed by Andromede Oceanologie within the framework of CARTHAM ("cartographie des habitats marins") project coordinated by the French Biodiversity Agency (Agence française pour la biodiversité, AFB). Digital data sources : Side scan sonar (2008), bathymetrics (2007), orthophotos (2008), historical maps (2009). Ground truth data sources (2012) : Diving with underwater cameras, direct human observations. Map confidence rated by Ifremer : 85%.

  • 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 française pour la biodiversité, 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 ('Typologie des biocenoses de Mediterranee' classification system) performed by GIS Posidonie within the framework of CARTHAM ("cartographie des habitats marins") project coordinated by the French Biodiversity Agency (Agence française pour la biodiversité, AFB). Digital data sources : Side scan sonar (2010), bathymetrics (2008). Ground truth data sources : Sediment dredge (1 point, 2010) Map confidence rated by Ifremer : 72% (Habitat : 'vase'; Areas with doubtful outlines).

  • 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 française pour la biodiversité, 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 ).

  • Seabed habitat map (EUNIS classification system) performed by Andromede Oceanologie within the framework of CARTHAM ("cartographie des habitats marins") project coordinated by the French Biodiversity Agency (Agence française pour la biodiversité, AFB). Digital data sources : Side scan sonar (2010), bathymetrics (2007), orthophotos (2008), historical maps (2003). Ground truth data sources (2009-2011) : Divers with underwater cameras, direct human observations. Map confidence rated by Ifremer : 87% (Areas with doubtful outlines are mentioned in the "VAL_COMM" field ).

  • Seabed habitat map (EUNIS habitat classification system) performed by In Vivo Environnement within the framework of CARTHAM ("cartographie des habitats marins") project coordinated by the French Biodiversity Agency (Agence française pour la biodiversité, AFB). Digital data sources : Orthophotos 2008, historic habitat maps (2011, 2008), bathymetric datas interpolation (2001). Ground truth data sources : Van Veen grab (90 points), beam trawl (31), hand corer (8), Diver with underwater cameras (6). Map confidence rated by Ifremer : 88% (Areas with doubtful outlines are mentioned in the "VAL_COMM" field).