Catálogo de datos del IEO
Keyword
sediment dredges
76 record(s)
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The aim of this cruise was to collect surficial sediments from different areas of the Mediterranean Spanish coast for studying the spatial and temporal trends of persistent organic pollutants (organochlorinted pollutants, trace metals and aromatic hydrocarbons) and metal contamination in this environmental matrix. This cruise was included in the activities of the project 2-ESMARME from the IEO (Spanish Oceanographic Institute). This project gives fulfillment to the Annex II of the mission of management of the Ministry of Environment and Rural and Marine Affairs to the IEO on scientific and technical assistance related to the monitoring of the marine contamination and biological effects in the Mediterranean coast of Spain, within the framework of the Barcelona Convention for the protection of the marine environment and the coastal Region of the Mediterranean Sea.
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Swath bathymetry, high definition seismic reflection and habitat mapping of the insular shelf of Menorca.
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_El objetivo general es la vigilancia medioambiental de la zona afectada por el dragado del puerto de Maó, mediante el seguimiento de variaciones en la granulometría, del contenido de carbono orgánico y contaminantes metálicos y orgánicos, en esa zona.
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GEOLOGY PROSPECTION OF THE SEA FLOOR
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Get abundance indices of groundfish demersales species. Get the size structure of commercially exploited stocks. Collection of biological material. Prospecting deep zones.Get physical-chemical parameters of water in the study area. Sampling using a box-corer to obtain granulometrics indices of sediment and biological sampling of infauna.
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Get abundance indices of groundfish demersales species. Get the size structure of commercially exploited stocks. Collection of biological material. Prospecting deep zones.Get physical-chemical parameters of water in the study area. Sampling using a box-corer to obtain granulometrics indices of sediment and biological sampling of infauna.
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GEOLOGY PROSPECTION OF THE SEA FLOOR
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Get abundance indices of groundfish demersales species. Get the size structure of commercially exploited stocks. Collection of biological material. Prospecting deep zones.Get physical-chemical parameters of water in the study area. Sampling using a box-corer to obtain granulometrics indices of sediment, contaminant and biological sampling of infauna.
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GEOLOGY PROSPECTION OF THE SEA FLOOR. PERFORM HIDROGRAPHIC SURVEYS, CONDUCT OF GEOPHYSICAL EXPLORER, IMAGING DEEP SEA, CHARTING MAPPED FISHING AREA OF DE ZEE SPANISH WATERS.
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- To obtain estimates of Nephrops densities through underwater videos with photogrammetric sled. - To obtain estimates of Nephrops burrows dendity. - To delimit the distribution of Nephrops in the Gulf of Cádiz. - To obtain estimates of bento-demersal macrofauna density present in the Nephrops fishing ground. - To calibrate bentho-demersal macrofauna observed in the underwater videos and those obtained in the beam trawl. - To prospect non-draggable areas of the circalitoral and batial to know the state of the bottom and the presence of commercial resources. - To gather complementary information on the action of the trawl gear in the seabed. - Oceanographic data collection. - Morphological analysis and acoustic response of the substrate through data acquisition bathymetry and reflectivity, as well as very high resolution seismic profiles of areas already prospected or pending to prospect. - To collect of sediment samples for sedimentological and community characterization of endofauna. - To explore the Portuguese continental margin of the Gulf of Cádiz near the Spanish border in relation to the continuity of the distribution of Nephrops and characterization seabed.