Catálogo de datos del IEO
Keyword
Habitat characterisation
136 record(s)
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Study of different sectors of the Mediterranean margins of Andalusia to analyze the potential existing active tectonic structures, capable of generating geological risks either due to the generation of earthquakes, or secondarily due to the triggering of landslides and / or tsunamis.
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Mantenimiento de los colectoresprofundos de langosta, obtención de larvas filosomas y filmaciones submarinas con video cebado.
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Swath bathymetry, high definition seismic reflection and habitat mapping of the insular shelf of Menorca.
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Mantenimiento de los colectoresprofundos de langosta, obtención de larvas filosomas y filmaciones submarinas con video cebado.
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Bathymetry and seismic work on the coast of the island of Menorca (Baleares Islands)
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Evaluation of the impact and interaction of gill art aimed at (Scratch) with the bottom, with the benthic species and with the habitats
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Monitoring the conservation status of vulnerable ecosystems of the MPA of “El Cachucho”, including identification and mapping of habitats and characterization of benthic communities
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Development of underwater photogrammetry system for Marine Renewable Energy
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The main objective foreseen in the ECOMARG 2021 campaign, to be carried out on board the R/V Ángeles Alvariño (IEO), is the study of the spatial distribution, structure and dynamics of vulnerable habitats of the ZEC “El Cachucho” (Le Danois Bank and its internal basin) and the head of the nearby Lastres canyon. Specific objectives: • Estimation of the abundance and spatial distribution of the epibenthic communities that characterize the vulnerable habitats present in the area, with special priority for the classified as 1170 Reefs in the DH. • Monitoring of the conservation status of vulnerable habitats and their communities biological, using fixed sampling stations, through indicators of the Red Natura 2000, in accordance with article 17 of the Habitats Directive, applying technical photogrammetric. • Geophysical study of the Lastres and Llanes canyons by obtaining cartography high resolution. • Characterization of the oceanographic dynamics of the BBL (Benthic Boundary Layer - layer near the bottom) in the Gaviera Canyon and in the fixed sampling stations from El Cachucho to know the environmental characteristics of the habitats 1170. • Study of the mobile species (mainly fish, crustaceans, and mollusks) of the Vulnerable habitats present at fixed sampling stations using platforms multiparametric (landers).
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1. To obtain estimates of Nephrops burrows densities in the Gulf of Cádiz from a randomized isometric grid of UWTV stations spacing 4 nautical miles using the underwater images. 2. To define the Nephrops distribution in the Gulf of Cádiz 3. To obtain density estimates of bentho-demersal macrofauna species 4. To calibrate bentho-demersal macrofauna observed in the underwater videos and those obtained in the beam trawl. 5. To obtain and the occurrence of trawl marks on the sea bed 6. To measure oceanographic variables using a sledge mounted CTD 7. To collect sediment samples 8. To prospect circalittoral and bathyal areas without trawling activity 9. Sea bed morphological and backscatter analyses