Catálogo de datos del IEO
Keyword
Bay of Biscay
479 record(s)
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Acoustic fishing campaign for the evaluation of anchovy biomass, biological condition, hydrographic conditions and spatial distribution in the Bay of Biscay
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Study and evaluation of the anchovy biomass in the Bay of Biscay within the National Sampling Plan
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Estimation by pelagic trawling and acoustic methods of the biomass index and population and biological parameters of anchovy (Engraulis encrasicolus) and (Sardine pilchardus sardine as a secondary objective) to assess the state of the fisheries. In the pelagic trawling, the Huwvos Daily 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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Annual estimation of the abundance of anchovy juveniles (Engraulis encrasicolus) in the Bay of Biscay by acoustic methodology, and study of the spatial distribution and the state of growth during that specific time of the year. With the results obtained, this campaign aims to estimate an annual abundance index of juveniles that allows to infer each year the magnitude of the annual recruitment of anchovy that will enter the population the following year
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Cartographic survey, obtaining seismic profiles and knowledge of the nature of the bottom of the continental shelf.
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Cartographic survey, obtaining seismic profiles and knowledge of the nature of the bottom of the continental shelf.
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Pelagic trawl estimation and acoustic methods of the biomass index and population and biological parameters of anchovy (Engraulis encrasilocus) and sardine (Sardina pilchardus) as a secondary objective to assess the state of fisheries. In pelagic trawling, the Daily Egg Production Method (MPDH) is applied as an estimate of biomass. Study of the influence of the 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 bottom of the continental shelf
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Evaluation of anchovy biomass, laying area and daily egg production in the Bay of Biscay
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Acoustic fishing campaign for the evaluation of anchovy biomass, biological condition, hydrographic conditions and spatial distribution in the Bay of Biscay