Ground surveys invertebrates sampled in bottom tows from year 2002 to 2013 of the EU NAFO groundfish surveyon boards R/V Vizconde de Eza

Tows from year 2002 to 2013 of the EU NAFO groundfish survey, with biomass data of different invertebrates (Sponges, Sea Pens, Large Gorgonians and small Gorgonias) and presence of pennatulaceans. Gear used was a Bottom trawl. Since 2003, all surveys were conducted using the Spanish R/V Vizconde de Eza. Until 2005, the invertebrate data collection was non systematic (it was sporadic) and only few sponge data was collected. The "-" means that there is NO DATA AVAILABLE.. EU NAFO groundfish surveys (NAFO Div. 3MNLO) has been co-funded by the European Union through the European Maritime and Fisheries Fund within the National Program. Data Citation: Reports of bottom trawl surveys (2007-2017) on boards R/V Vizconde de Eza