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This bathymetric data package is being made available as part of the de-risking study to be carried out in the Gulf of Lion for the award of a "commercial floating wind turbine" call for tenders by 2022. It includes bathymetric digital models covering French territorial waters. Raw data have been acquired during oceanographic campaigns: AM-MED-1, BASAR2, BASAR3, RHOSOS et STRATAFORM 1.
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Density (number per km²) and biomass (g per km²) of Funiculina quadrangularis (Pennatulacea) and Isidella elongata (Alcyonacea) observed in bottom trawl scientific surveys (French MEDITS and NOURMED) by-catches from 2012 to 2019
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In the Mediterranean deep-sea two scleractinian species, Lophelia pertusa (= Desmophyllum pertusum) and Madrepora oculata, make up the dominant structure-forming corals. The Lacaze-Duthiers canyon is the only French Mediterranean canyon where the two species L. pertusa and M. oculata have been observed living together in large quantities, the situation generally described for the biocoenosis of cold-water corals (CWC). In this canyon large colonies (more than 40 cm) of both species of scleractinians were observed at depths ranging from 246 m to 541 m at the head of the canyon and its western flank. The second canyon is the Cassidaigne canyon, where M. oculata seems to be the only structure-forming scleractinian there. The largest concentration of M. oculata colonies was observed on the west flank of the canyon along a crest at depths ranging from 200 to 210 m. Mature M. oculata colonies attained heights up to 40 cm. M. oculata were observed in three other canyons: Bourcart, Sicié and Var. In the Bourcart canyon, M. oculata was observed on a shelf of hard substratum at 331 m depth. Several single branches protruded from a slab. In the Sicié canyon a 15-cm colony of M. oculata was observed at 255 m depth, while in the Var canyon, three young branches 2 cm long were seen growing at 350 m depth on a wall of hard rock. Data linked to the publication Fabri et al, 2014. https://doi.org/10.1016/j.dsr2.2013.06.016.
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French marine's subregions: areas used under the Framework Directive strategy for the marine environment.
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French Marine Reports unit of european marine's subregions: areas used under the Framework Directive strategy for the marine environment.
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Data were extracted from videos recorded during MEDSEACAN_2009 and CORSEACAN_2010 cruises operated by Comex (Aamp funding). Underwater vehicles were either Achille ROV or Remora submersible. Video analyses were realized by Ifremer and GIS posidonie.
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Data were extracted from videos recorded during MEDSEACAN_2009 and CORSEACAN_2010 cruises operated by Comex (Aamp funding). Underwater vehicles were either Achille ROV or Remora submersible. Video analyses were realized by Ifremer and GIS posidonie.
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Structures Géologiques Particulières du large (Côtes Méditerranéennes françaises), recensement effectué pour les besoins de la DCSMM, Descripteur D1-Biodiversité des habitats benthiques profonds. Cette couche localise les structures sur lesquelles des communautés spécifiques peuvent s'installer.
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The distribution of the Vulnerable Marine Ecosystem Isidella elongata (Alcyonacea) was digitalized from a document edited in 1962 (Maurin, 1962).
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The distribution of the Vulnerable Marine Ecosystem Funiculina quadrangularis (Pennatulacea) was digitalized from a document edited in 1962 (Maurin, 1962).