benthos
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Scale 1:
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For each IHO Sea Area in the European Marine Waters (clipped), statistics on species occurrence where calculated. Each area displays the total number of observations. The attribute table contains also information on the individual observations and the occurrence of species per group (mammalia, aves, reptilia, benthos, zooplankton, phytoplankton, macroalgae and plantae). The statistics were calculated using the EurOBIS database, in 2011.
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Seabed habitat map (Habitat Directiveclassification system) performed by Andromede Oceanologie 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 (2009), orthophotos (2006), historical maps (2010, 2009, 2005). Ground truth data sources: None Map confidence rated by Ifremer : 59%.
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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 fran├ºaise pour la biodiversit├®, AFB). Digital data sources : Side scan sonar (2012), bathymetrics (2007), orthophotos (2008), historical maps (2010, 2007). Ground truth data sources (2010-2012) : Diving with underwater cameras, direct human observations. Map confidence rated by Ifremer : 84%.
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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 fran├ºaise pour la biodiversit├®, AFB). Digital data sources : Side scan sonar (2012), bathymetrics (2007), orthophotos (2008), historical maps (2010, 2007). Ground truth data sources : none Map confidence rated by Ifremer : 62% (Areas with doubtful outlines and/or classification) are mentioned in the "VAL_COMM" field ).
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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 fran├ºaise pour la biodiversit├®, 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).
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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 fran├ºaise pour la biodiversit├®, AFB). Digital data sources : Side scan sonar (2012), bathymetrics (2007), orthophotos (2008), historical maps (2010, 2007). Ground truth data sources (2010-2012) : Diving with underwater cameras, direct human observations. Map confidence rated by Ifremer : 81%.
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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 fran├ºaise pour la biodiversit├®, 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 ).
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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 fran├ºaise pour la biodiversit├®, 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%.
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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 fran├ºaise pour la biodiversit├®, AFB). Digital data sources : Side scan sonar (2010), orthophotos (2006-2008), historical maps (2000-2011). Ground truth data sources (2010-2012) : Direct human observations. Map confidence rated by Ifremer : 81%.
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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 fran├ºaise pour la biodiversit├®, AFB). Digital data sources : Side scan sonar (2010), bathymetrics (2007), orthophotos (2006-2008), historical maps (2000-2011). Ground truth data sources (2010-2012) : Divers with underwater cameras, direct human observations. The accuracy of the mapping is heterogeneous according to the methods used (outlines by gps, field data, ...). The field "VAL_COM" specifies the uncertainty (doubtful classification and / or outlines). Overall confidence rated by Ifremer : 84%.