Catálogo de datos del IEO
Creation year
2006
182 record(s)
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CTD data in the Flemish Cap area
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Monthly sampling of physical, chemical and biological variables at N Spanish Coast
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Monthly sampling of physical, chemical and biological variables at N Spanish Coast
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The ECOMED 2006 is an annual echosurvey for estimation of the abundance and biomass of small pelagic fish present in the Mediterranean Sea in autum, at the beginning of spawning period for the sardine (Sardina pilchardus) and the recruitmen period for the anchovy (Engraulis encrasicolus).These main species are sardine and anchovy, but on estimed also Sardinella aurita, Trachurus mediterraneus, T. trachurus, T. picturatus, Boops boops, Scomber japonicus and Scomber scomber. Complementary to this main objectives, also sampling for sardine fecundity parameters estimation. Continuous fish eggs sampling and temperature and salinity for sardine spawning area caracterisation.
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Acoustic survey, conducted with an annual periodicity, to assess and map the pelagic (neritic) resources and the oceanographic and biological conditions of the Gulf of Cadiz continental shelf (both Spanish and Portuguese waters, ICES Subdivision IXa South). The survey season coincides with the anchovy (Engraulis encrasicolus) peak spawning in order to estimate the anchovy SSB by echo-integration. The acoustic sampling for assessment by echo-integration is performed during daylight hours. Biological characterization of the pelagic community is sampled by opportunistic pelagic trawls (for identification of echo-traces), which are also performed during the day. Ancillary biological information (fish eggs) sampled with CUFES (Continuous Underway Fish Egg Sampler) and coupled to the acoustic sampling. Occurrence of sea birds, turtles, and mammals is also recorded along the acoustic transects. Oceanographic characterization of the surveyed area from both discrete (CTD profiles in night stations) and continuous sampling (Thermosalinometer-fluorimeter) coupled to the CUFES sampling. Additional night pelagic trawls were also performed in order to collate some extra biological material and to carry out specific experiments (e.g., in situ determination of the anchovy target strength, TS; nictimeral behavior?).
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Hydrographical cruise W Iberian peninsula and Celtic-Cantabrian sea. 65 depth CTD, 2 RCM moorings, LADCP
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Seasonal survey to study the annual and interannual variability of ocean circulation in the eastern border of the North Atlantic sub-tropical gyre
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Seasonal survey to study the annual and interannual variability of ocean circulation in the eastern border of the North Atlantic sub-tropical gyre.
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Estudio de la variabilidad de las condiciones hidrodinamicas en aguas de las Islas Baleares Influencia que tienen estas sobre la circulaci??n regional y esta sobre las comunidades planctonicas estudio de tendencias climaticas y su posible relacion con otros parametros biologicos y pesqueros.
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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.