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145
2139 record(s)
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Cr. CEE 90. Control of Phytoplankton Dominance. - ref 900911.0004
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CR SEFOS-0595 ICES Mackerel/Horse Mackerel Egg Production Survey - ref SEFOS0595
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OBTENCION DE BALANCES DE MASA ENTRE NUTRIENTES PRODUCCION PLANCTONICA Y EXPORTACION DE MATERIALES AL SEDIMENTO EN LA COSTA NO DE LA PENINSULA IBERICA EN RELACION AL AFLORAMIENTO ESTACIONAL.\nOBTENCION DE MEDIDAS DE LA ESTRUCTURA HIDROGRAFICA SUPERFICIAL, CONCENTRACIONES DE NUTRIENTES Y BIOMASA PLANCTONICA, EN LA ZONA DEL TALUD CONTINENTAL DE GALICIA, A AMBOS LADOS DEL FRENTE DEMIPERMANENTE DE CABO FINISTERRE
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Cr. MPH-SARACUS 0488 - ref 303
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CR Sareva 0405 Ecaluation of the sardine reproductive stock by MPH method - ref 0002
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Mejorar el conocimiento de la hidrografia de la costa NW de Espana mediante la obtencion de medidas sinopticas
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campaña de arrastre demersal en aguas del Cantábrico y Galicia
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Give an improved estiamtion of the abundance of pelagic fish present in the Mediterranean Sea waters in spring which is the spawning period for these fish species, but focussing in sardine and anchovy. Complementary to this main objective the survey design and strategies will allow the enviroment be characterised by recording differente variables (i. e. temperature, salinity, fluorescence, plankton, winds or air temperature) in vertical and horizontal profiles along the surveyed area with no noticeable extra-effort. As it was pointed out, these variables will help the acoustic estimations be improved whilst an extensive environment characterisation at the spawning time will be done.
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? Estimation of the abundance of small pelagic fishes, with special focus on anchovy juveniles, in the southern part of the Bay of Biscay.\n? Cartography of the distribution of these populations.\n? Study of the distribution of anchovy and sardine eggs.\n? Biological sampling of the species of interest (e.g. ). Particularly for anchovy, analysis of stomach contents for the characterisation of the food regime and of otholits for the study of daily growth rates.\n? Continuous sampling of auxiliary variables for the characterisation of the ambient environment.\n? Study of the hydrographic conditions and distribution of plankton components in order to define the physical and biological processes which are relevant for the regulation of the species of interest.
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PELACUS Give an improved estiamtion of the abundance of pelagic fish present in the NE Atlantic waters in spring which is the spawning period for these fish species, but focussing in sardine and anchovy. Complementary to this main objective the survey design and strategies will allow the enviroment be characterised by recording differente variables (i. e. t/S, fluorescence, plankton, winds or air temperature) in vertical and horizontal profiles along the surveyed area with no noticeable extra-effort. As it was pointed out, these variables will help the acoustic estimations be improved whilst an extensive environment characterisation at the spawning time will be done. - ref 0403