This multidisciplinary survey combines bottom trawling sampling for the evaluation of fish, crustacean and cephalopod species.

Vessel starts 'Demersal 2018' survey for fishery resource assessment

SPAIN
Monday, September 17, 2018, 21:40 (GMT + 9)

Oceanographic research vessel Miguel Oliver, of the General Secretariat of Fisheries, today, September 17, begins the "Demersal 2018" survey from the Port of Vigo for the assessment of fishery resources and the characterization of the continental shelf of Galicia and Cantabrian Coast.

The survey is developed in coordination with the Spanish Oceanographic Institute (IEO) and joins the historical series that has been carried out since 1983 for the evaluation of fishing resources in the Northern platform of the Iberian Peninsula.

The investigation will make it possible to collect data of the spatial distribution patterns and indices of abundance of the benthic and demersal fauna in addition to the hydrographic and sedimentological characterization of the area and its influence on the identified species.

This multidisciplinary survey combines bottom trawl sampling for the evaluation of fish, crustacean and cephalopod species, data collection and biological samples using sediment dredgers for the characterization of sea beds, and the use of CTD bathodes to obtain data from the water column.

In addition, feeding studies of different species, bird census and its relationship with discarded species, collection of biological samples for pollution studies, marking of sharks and rays, or monitoring of the artificial reefs of the Bay of Biscay, among others, will be carried out.

The continuity of this type of research is fundamental in the European Union for proper fisheries and environmental management. With its development, it complies with the commitments acquired by Spain in the scope of the National Basic Data Collection Program of the Fishing Sector.

Oceanographic vessel Miguel Oliver is a multidisciplinary vessel of 70 metres in length and 12 in beam equipped with cutting-edge technological equipment for navigation and fisheries and oceanographic research, and has the qualification of ecological and silent vessel. It houses, among other equipment, three radars, three echo sounders and six laboratories, in addition to a sophisticated system of dynamic positioning and sailing.

Together with the vessels Visconde de Eza and Emma Bardan, it forms part of the fishing and oceanographic research fleet of the General Secretariat of Fisheries. After eleven years of work, it is still fully operational with both fishing and charting of seabed surveys.

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