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IEO/ Balearic Islands Oceanographic Centre
177 record(s)
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Estimation by acoustical methods stock biomass of anchovy (Engraulis encrasicolus) and sardine (Sardina pilchardus) Spanish Mediterranean.
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Estimation by acoustical methods stock biomass of anchovy (Engraulis encrasicolus) and sardine (Sardina pilchardus) Spanish Mediterranean.
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Influence of oceanographic structure and dinamics on DEmersal populations in waters of the BAlearic Islands
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LA FINALIDAD GLOBAL ES LA ELABORACION DE UN PROCESO EVOLUTIVO DE PLATAFORMA CONTINENTAL, DE CLIMA TEMPLADO Y DE CARACTER CARBONATADO, APLICABLE A OTROS DOMINIOS SEMEJANTES, ASI COMO A LA INTERPRETACION DEL REGISTRO FOSIL Y SU EVIDENTE REPERCUSION EN EL CAMPO DE LA GEOLOGIA APLICADA. PARA CONSEGUIR UN MODELO DE ESTAS CARACTERISTICAS, SE DEBEN SOLVENTAR DOS ASPECTOS BASICOS: 1.- PROCESOS Y FACTORES DE PRODUCION 2.- PROCESOS Y FACTORES DE ACUMULACION ESTE TIPO DE ESTUDIO MUESTA UN INTERES EXCEPCIONAL DEBIDO A LA ESCASEZ DE TRABAJOS SOBRE EL TEMA. DEBE REMARCARSE, ASI MISMO, EL ESPECIAL INTERES QUE PRESENTA LA CUENCA MEDITERRANEA BAJO MUY DIFERENTES ASPECTOS OCEANOGRAFICOS ENMARCADOS EN LAS VARIACIONES QUE PRESENTA EN CUANTO A COMPOSICION DINAMICA, SEDIMENTACION Y EVOLUCION.
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Seasonal and mesoscale variability of biological and chemical parameters related to the hydrodynamics of the Ibiza Channel
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The general objective of the INTEMARES-A22B-1019 campaign is to complete the geophysical mapping of the underwater mountains of the Canal de Mallorca and continue the biological characterization of its benthic and necto-benthic communities. For this, the following partial objectives are proposed: 2.1. Complete the geophysical mapping of the bottom that surround and link the mountains SO, AM and EB submarines, from data obtained with multibeam echo sounder and samples of surface rocks, collected with drag dredge. Priority 1 2.2. Complete the characterization of the benthic communities of sedimentary bottoms and rocky in these mountains and its surroundings, from samples collected with skate epi-benthic and trailed dredger, respectively. Priority 1 2.3. Perform seismic profiles with parametric echo sounder, to obtain information from the sedimentary structure. Priority 2 2.4. Estimate chondrichthyan fish diversity from environmental DNA analysis (eDNA) in water and sediment samples. Priority 2
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The general objective of the RADMED-TRES project is the multidisciplinary monitoring of the platform and deep waters of the Spanish Mediterranean, the peninsular coast and the Balearic Islands.
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This cruise continues with the line started in previous years cruises with the general operational target of the registration of oceanographic parameters and obtaining water samples and various types of suitable and sufficient plankton for the achievement of the following specific objectives: 1- Obtaining data on larval densities and CTD profiles to estimate Larval abundance indices for species of the genus Thunnus in the Balearic Sea. 2- Determine the influence of hydrographic scenario on the structure, distribution and condition of large and medium pelagic larval populations in the Balearic Sea, with special attention to Atlantic bluefin tuna. 3- Identification of the hydrographic processes that determine the productivity of the pelagic ecosystem of the Balearic Sea. 4- Characterization of the genetic structure of the larval populations of bluefin tuna and related species in the Balearic Sea, used for the 'close-kin' studies recently initiated by ICCAT. 5- Evaluate the possibility of using acoustic methods in the characterization of bluefin tuna populations and the distribution of larval habitats.
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The objective of the INTEMARES-CANAL0419 cruise is to evaluate the impact of fishing on vulnerable benthic habitats of the LIC Canal de Menorca's circa-littoral bottoms. More specifically, trawl fishing in the maërl (habitat 1110) and artisanal fisheries, mainly trammel trawl for the capture of lobster, on coralligenous (Habitat 1170). To do this, it is proposed to compare the ecological parameters of these communities in bottom subject to different levels of fishing exploitation.
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Direct visual observation survey in order to improve the knowledge of marine bottoms in the Menorca Channel and Emile Baudot seamount. For that, the specific objectives are: 1. Improvement of the scientific knowledge for the physical, environmental and biological characterization of areas known to present high diversity of juveniles of European spiny lobster in the Menorca channel and 2. Start the biological characterization of benthic habitats in circalitoral and batyal bottoms in the Emile Baudot seamount.