A5034076706- Marine and fisheries research
- Marine animal studies overview
- Marine Biology and Ecology Research
- Oceanographic and Atmospheric Processes
- Underwater Acoustics Research
- Marine and coastal ecosystems
- Neural Networks and Applications
- Ichthyology and Marine Biology
- Coral and Marine Ecosystems Studies
- Image Retrieval and Classification Techniques
- Topological and Geometric Data Analysis
- Fish Ecology and Management Studies
- Geology and Paleoclimatology Research
- Music and Audio Processing
- Coastal and Marine Dynamics
- Avian ecology and behavior
- Marine Bivalve and Aquaculture Studies
- Cephalopods and Marine Biology
- Marine and environmental studies
- Marine Ecology and Invasive Species
- Advanced Clustering Algorithms Research
- Ocean Waves and Remote Sensing
- Color perception and design
- Flow Measurement and Analysis
- Target Tracking and Data Fusion in Sensor Networks
Instituto Español de Oceanografía
2012-2024
Consejo Superior de Investigaciones Científicas
2023
Tecnalia
2010
University of the West of Scotland
2005-2007
Arthritis and Rheumatism Associates
2002
The distributions of micronekton layers in the Balearic Sea (western Mediterranean) were investigated by acoustic methods. Two multidisciplinary surveys carried out late autumn 2009 and summer 2010, recording acoustic, biological, hydrographic data. We described layers, migratory behavior, sampled species, water masses processes. Acoustic modeling gas-bearing organisms was employed to explain differences between estimates abundances. influence environmental variables on vertical distribution...
Abstract In the last few years, there has been increasing interest in commercial exploitation of mesopelagic fish and a trawl-acoustic methodology recommended to make estimates abundance these resources. This study provides relevant information on scattering properties key species Bay Biscay, Mueller’s pearlside ( Maurolicus muelleri) , necessary convert acoustic density into numerical abundance. The target strength TS ) was estimated for first time at five frequencies commonly used surveys....
One of the biggest barriers to conducting ocean science around globe is limited access computational tools and resources, including software, computing infrastructure, data. Open tools, such as open-source open data, online offer promising solutions toward more equitable scientific resources. Here, we discuss enabling power these in under-resourced non-English speaking regions, based on experience gained organization three independent programs West African, Latin American, Indian Ocean...
Abstract The identification of movement and behaviour patterns, as well inter- intra-population connectivity is crucial in order to implement effective functional management conservation measures for threatened migratory species such tope ( Galeorhinus galeus ). Yet, previous studies struggled elucidate clear consistent depth usage patterns adult the Northeast Atlantic, suggesting a high plasticity migration behaviour. We deployed pop-up satellite archival tags on during their seasonal...
Movements of 11 female and 1 male adult Peregrine Falcons (Falco peregrinus) wintering in coastal Gulf Mexico, Tamaulipas, were monitored with satellite-received transmitters (PTTs), 1997–1998. Median areas for minimum convex polygon winter home ranges at 50% 90% levels (both years) 1173 8311 ha, respectively. Most birds left grounds the first week May. Duration northward migration averaged 30 days. Distances between capture location summer settling place 4580 5844 km; traversed 40.4–46.4...
Abstract The study of marine organism behaviour and vertical distribution requires the use techniques that do not disturb their natural state. This analyses mesopelagic fishes influenced by presence a research vessel. Acoustic data recorded on board RV “Ángeles Alvariño” during RAPROCAN 2017 survey showed clear pattern migrating deeper in water column at night when DP system was connected. Details how scatterers changed trajectory to surface progressive increase avoidance depth dawn...
The organic carbon resulting from photosynthesis in the upper ocean is transferred downward through passive sinking of particles, physical mixing particulate and dissolved as well active flux transported by zooplanktonic micronektonic migrants. Several meso- bathypelagic organisms feed shallower layers during nighttime respire, defecate, excrete die at depth. Recent studies suggest that migrant micronekton transport similar amounts to zooplankton. However, there scarce information about...
Abstract In autumn 2009, the implementation of two successive acoustic surveys targeting juvenile anchovy ( Engraulis encrasicolus ) in Bay Biscay allowed us to monitor changes spatial distribution and aggregation patterns juveniles this species during 45 days under fairly stable meteorological conditions. Juvenile changed its biological condition behavior a different manner distinct areas. Spanish sector, migrated 20 nautical miles (n.mi.) towards coast, but they remained on shelf near...
The use of acoustic scattering models provide estimates single target echoes that allow acousticians to convert information into biologically meaningful measures. literature on organisms' strength is extensive but mainly focused commercial stocks small pelagic fishes and zooplankton species. A few swimbladdered the mesopelagic zone are also available. However, deep species lower bathypelagic zones tend have regressed swimbladders or lack one. These habitats low numerical densities thus...
Non-migratory bristlemouth fishes ( Cyclothone spp.) are the most abundant vertebrates on Earth and play an important role in biological carbon pump by remineralizing organic deep ecosystems. Acoustic data net sampling often used combination to estimate fish zooplankton biomass, but this procedure may be subject several sources of error when applied mesopelagic species. For instance, allocation echoes species has been biased not considering spp. due use nets targeting larger fish....
Deep scattering layers (DSLs) play an important role in pelagic food webs, and are inhabited by the world’s most abundant invertebrates. Recent research has begun to reveal latitudinal, longitudinal bathymetric patterns that overturn original belief homogeneous horizontal layers. The Strait of Gibraltar represents one oceanic gateways world is a key place exchange water masses between Mediterranean Atlantic, but its ecosystem poorly known. Its changing bathymetry associated currents, both at...
Vertical distribution of meso- and bathypelagic crustacean are scarcely known. The logistics involved in their studies hinder an adequate assessment role the deep ecosystems. As a result, literature on zooplankton scattering models is mainly focused epipelagic organisms, particularly krill species. This study analyses data plankton community classified by family from surface down to 2000 m taken Bay Biscay, but focusses zone. Photographic was employed obtain micronektonic shape catalogue....
Studies of krill (Crustacea: Euphausiacea) in oceanic waters the Bay Biscay are scarce and restricted to epipelagic zone, overlooking vertical dynamics such as diurnal migration (DVM). There is a growing interest acoustically evaluating biomass this area, but requires good knowledge its aggregation patterns. In work we employed acoustic data net samples from two consecutive annual surveys covering wide off-shelf area (JUVENA 2013 2014) four seasonal slope Cantabrian Sea (SCAPA 2015)....