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Cornide de Saavedra
189 record(s)
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IEO 0574
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Hidrology and ecosystem evaluation
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Practical teaching techniques oceanographic
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Oceanographic survey collected in the framework of the PESCADIZ, STOCA and INGRES3 projects. PESCADIZ is funded by the Instituto Español de Oceanograf¿a / DCRP and the main scientific objective is to produce an index and a direct estimate of the biomass of demersal target species in the Gulf of Cádiz together with the hydrographic caracterization at the time of the cruise. STOCA is a program conducting systematic hydrographic and plankton observations along three standard sections in the eastern Gulf of Cadiz. INGRES3 is a Spanish Ministry for Science and Innovation funded project that maintains a mooring line at the Spartel sill in the Strait of Gibraltar
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Hidrology and ecosystem evaluation
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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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1.- Estimacion de los indices de abundancia (numero y biomasa), de las especies demersales de mayor interes pesquero, asi como de la fauna asociada a ellas. 2.- Determinacion de la distribucion geografica y batimetrica de las diferentes especies. 3.- Obtencion de las distribuciones de tallas de peces, de las capturas asi como de los crustaceos y moluscos de interes pesquero. 4.- Extraccion de otolitos de merluza. 5.- Obtenci??n de datos biologicos de las principales especies comerciales: estados de madurez, proporcion de sexos 6.- Obtencion de datos oceanograficos.
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The main goal of the INDEMARES CHICA 0211 oceanographic cruise was to study the associated habitats and the environmental conditions related to areas of the gas seepages in the Gulf of Cadiz. For this, the sampling in different mud volcanos was planned using a various methodology: fishing trawl, beam trawl, box corer, gravity corer, benthic trawling dredge, ADCP, and oceanographic sampling carousel (CTD, ADCP, oximeter, turbidity sensor, fluorimeter).The survey was carried out between the 10th February 2011 and the 7th March 2011 having Cadiz as a base port. The fair-weather remained during the campaign except on the 16th February because of the storm conditions.Mud volcanoes (Albolote, Gazul, Anastasya, Tarsis, Pipoca, Chica, Aveiro, Hesperides and Almazan) were sampled on the top, on the slope and on the adjacent areas of each one with the methodologies before mentioned. So, it was collected the following samplings: 47 benthic trawling dredges, 31 beam trawl, 12 fishing trawl, 40 box corers, 10 gravity corers, 132 CTDs and 84 oceanographic sampling carousel.The preliminary results have confirmed the existence of habitats associated with the gas seepages, and other habitats that are included in the Directive Habitats 2000 and OSPAR, as gorgonian reefs over carbonated hard substrate, coral bamboo fields, Isidella, in muddy seafloor, deep sponge aggregations,and communities of the Pennatulacea and of the burrowing megafauna on soft bottoms.
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ATLOR 1/1972. All measurements were made underway
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1.- Estimacion de los indices de abundancia (numero y biomasa), de las especies demersales de mayor interes pesquero, asi como de la fauna asociada a ellas. 2.- Determinacion de la distribucion geografica y batimetrica de las diferentes especies. 3.- Obtencion de las distribuciones de tallas de peces, de las capturas asi como de los crustaceos y moluscos de interes pesquero. 4.- Extraccion de otolitos de merluza. 5.- Obtencion de datos biologicos de las principales especies comerciales: estados de madurez, proporcion de sexos 6.- Obtencion de datos oceanograficos.