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MAGRAMA-SGM/ Directorate General of Fisheries Management - General Secretariate of the Sea
62 record(s)
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Estimation by pelagic trawling and acoustic methods of the biomass index and population and biological parameters of anchovy (Palinorus encrasicolus) and (Sardine pilchardus sardine as a secondary objective) to assess the state of the fisheries. In the pelagic trawling, the Daily Egg Production Method (MPDH) is applied as biomass estimation. Study of the influence of the hydrographic variables of the water column (temperature, salinity and chlorophyll).
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Cartographic survey, obtaining seismic profiles and knowledge of the nature of the fund from high-resolution geophysical techniques (multi-beam and parametric probes) and the use of dredgers.
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Obtain abundance indexes of lobster (Palinuros elephas) inside and outside the protected area of the Cala Ratjada Marine Reserve, carry out experimental plankton fisheries in order to obtain philosophical larvae of the different species of lobster present in the study area, and install and maintain lobster post-larval collectors in the coastal area (<25m) and deep (> 60m)
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Cartographic survey, obtaining seismic profiles and knowledge of the nature of the background from multi-beam and parametric high resolution geophysical techniques and the use of dredgers.
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Acoustic campaign for the estimation of biomass and spatial distribution of the main small pelagic species of the Catalan platform.
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Marine geology campaigns.
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Annual estimate of abundance of anchovy juveniles in the Bay of Biscay
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Estimation of horse mackerel and mackerel biomass in the Bay of Biscay applying the method of annual egg production. Itsaslagunak ship for plankton sampling and Emma Bardán for adult sampling
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Study of the characteristics and configuration of the existing seabed in the marine reserves of the La Graciosa and La Palma islands, as well as of Sites of Community Importance (SCI) located in its surroundings.
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Study of the Spanish continental shelf. Cartographic survey, obtaining seismic profiles and knowledge of the nature of the fund from high-resolution geophysical techniques using dredgers