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Cr. CEE 90. Control of Phytoplankton Dominance. - ref 900911.0004
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Abundance indices, distribution patterns and faunal assemblages of demersal species in the northern coast of Spain (Atlantic Galician shelf and Cantabrian sea shelf), together with the possible driving factors of their distribution. This survey belongs to the research project: ?Evaluacion de Recursos Demersales por Metodos Directos en el Area ICES?. This Project is partly funded by the DCR of the EU and the Education and Science Spanish Ministery.The main objectives of the above mentioned project related with this survey time series are: a) to obtain abundance indices of the main exploited species in the study area; b) to estimate the strength of yearly recruitments of these species and their distribution in the area. c) to study the structure and distribution o the demersal and benthic communities in the area.
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Oceanographic survey collected in the framework of the following research project: - Métodos de Produccion de Huevos. Estimacion de la biomasa de especies pelagicas de interes comercial: sardina, anchoa, caballa y jurel (ICTIOEVA)-. This Project is funded by the Instituto Espanol de Oceanografia and the main scientific objective is to produce an index and a direct estimate of the biomass of the Gulf of Cadiz anchovy stock using the Daily Egg Production Method (DEPM). Specific aims: a) To estimate the spawning area distribution of anchovy and the daily and total egg production. b) To collect adults to obtain anchovy gonads for atresia and fecundity estimation c) Distribution and abundance of other commercial species of interest: sardine, horse mackerel d) To describe the oceanographic and meteorological character of the area of study with the aim of relating environmental conditions (temperature, salinity, currents) with the spatial distribution of the ichthyoplankton
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- LEVANTAMIENTO MORFOLOGICO DETALLADO DEL FONDO MARINO, MEDIANTE UN RECONOCIMIENTO DE LAS ZONAS DE ESTUDIO REALIZADO CON ECOSONDA MAULTIHAZ\n- CONOCIMIENTO DE LAS CARACTERISTICAS SEDIMENTARIAS DEL SUELO Y SUBSUELO MARINO MEDIANTE LA REALIZACION DE PERFILES SISMICOS DE ALTA RESOLUCIONCON EL SISTEMA DE SONDA PARAMETRICA TOPAS\n- PROSPECCION DE POSIBLES RESTOS DE POSIBLES RESTOS DE FUEL ENTRE DOS AGUAS MEDIANTE ECOSONDA HIDROGRAFICA\n- IDENTIFICACION Y MAPEADO DE AREAS DE DEPOSICION DE FUEL MEDIANTE EL RECONOCIMIENTO DEL AREA DE ESTUDIO CON SONAR DE BARRIDOLATERAL CON PRESTACIONES DE ALTA FRECUENCIA, MAYOR RESOLUCION Y MOSAICOS DE REFLECTIVIDAD OBTENIDOS CON ECOSONDA MULTIHAZ\n- RECOGIDA DE MUESTRAS DE ROCA Y SEDIMENTOS DE FUEL UTILIZANDO PARA ELLO DRAGA DE ROCA\n- TOMA DE DATOS
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- Levantamientos hidrograficos sistematicos y exhaustivos que permitan el cartografiado total de sus fondos\n- Realizar exploraciones geofisicas que permitan determinar su constitucion y fisiografia \n- Llevar acabo coampa?as oceanograficas sistematicas para el estudio de los procesos fisicos\n- Procesar y tratar los datos obtenidos en las campa?as para la obtencion de mapas, cartas e informesen los cuales se definan las caracteristicas y el potencial economico de la ZEE\n- Hacer tratamiento informatico necesario para la integracion de datos en bancos de datos interactivos.\n- Poner a disposicion de la comunidad cientifica e industrial toda la informacion, salvo la restringida por afectar a la seguridad nacional.\n
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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
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CR PELACUS 03 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
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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
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IEO 0768
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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.