Now showing items 1-20 of 91

    • 5 year-long monitoring of Barkley Canyon cold-seeps with the internet operated deep-sea crawler "Wally" 

      Chatzievangelou, Damianos; Thomsen, Laurez; Purser, Autun; Doya, Carolina; Aguzzi, Jacopo; Schwendner, Jacob; Duda, Alexander; Best, Mairi M.R.; Leo, Fabio De; Juniper, Kim (SARTI, 2016)
      Conference lecture
      Open Access
      Despite the technological advances of the last decades (e.g. ROVs, AUVs, cabled observatories), our knowledge of most deep-sea environments is still strongly limited by spatio-temporal sampling and observational capabilities. ...
    • A decade of time series as produced by multiparametric ecological monitoring at the OBSEA 

      Francescangeli, Marco; Falahzadeh, Ahmad; Fornós Bautista, Andreu; Nogueras Cervera, Marc; Chatzievangelou, Damianos; Río Fernandez, Joaquín del; Marini, Simone; Aguzzi, Jacopo (SARTI, 2021)
      Article
      Open Access
      All biological processes, from molecular to physiology and behavioural, are essential for organisms to regulate their survival in response to the environment (e.g., irradiance and temperature) and to intra- or inter- specifc ...
    • A new colorimetrically-calibrated automated video-imaging protocol for day-night fish counting at the OBSEA coastal cabled observatory 

      Río Fernandez, Joaquín del; Aguzzi, Jacopo; Costa, C.; Menesatti, Paolo; Sbragaglia, Valerio; Nogueras Cervera, Marc; Sardá Amills, Francesc; Manuel Lázaro, Antonio (2013-10-30)
      Article
      Open Access
      Field measurements of the swimming activity rhythms of fishes are scant due to the difficulty of counting individuals at a high frequency over a long period of time. Cabled observatory video monitoring allows such a sampling ...
    • A new laboratory radio frequency identification (RFID) system for behavioural tracking of marine organisms 

      Sardà Amills, Francesc; Aguzzi, Jacopo; Sbragaglia, Valerio; Sarriá Gandul, David; García, José Antonio; Costa, Corrado; Río Fernandez, Joaquín del; Manuel Lázaro, Antonio; Menesatti, Paolo (2011-10-11)
      Article
      Open Access
      Radio frequency identification (RFID) devices are currently used to quantify several traits of animal behaviour with potential applications for the study of marine organisms. To date, behavioural studies with marine ...
    • A new tracking system to study the behaviour of species 

      Sarriá Gandul, David; Río Fernandez, Joaquín del; Manuel Lázaro, Antonio; Roset Juan, Francesc Xavier; Aguzzi, Jacopo; Sardà, Francesc (2009)
      Conference report
      Restricted access - publisher's policy
      A tracking system with RFID technology has been developed to measure the activity and behaviour of species in laboratory. It consists of different controllers which handle different RFID antennas. The controllers send the ...
    • Accuracy and precision studies for range-only underwater target tracking in shallow waters 

      Masmitjà Rusiñol, Ivan; Bouvet, Pierre-Jean; Gomáriz Castro, Spartacus; Aguzzi, Jacopo; Río Fernandez, Joaquín del; Toma, Daniel (2017)
      Conference report
      Open Access
      This paper studies the precision, and the accuracy, of an underwater target tracking system, using range-only and single-beacon methods, in shallow waters environments. For this study, different field tests have been ...
    • Acoustic TAG tracking: First experiments 

      Masmitjà Rusiñol, Ivan; Gomáriz Castro, Spartacus; Río Fernandez, Joaquín del; Kieft, B; O’Reilly, T; Aguzzi, Jacopo; Bouvet, Pierre-Jean (Centro de Desarrollo Tecnológico de Sistemas de Adquisición Remota y Tratamiento de la Información (SARTI), 2018)
      Conference report
      Open Access
      Nowadays, the use of autonomous vehicles for ocean research has increased, since these vehicles have a better cost/performance ratio than crewed vessels or oceanographic ships. For example, autonomous surface vehicles ...
    • Acoustic tag tracking: first experiments 

      Masmitjà Rusiñol, Ivan; Gomáriz Castro, Spartacus; Río Fernandez, Joaquín del; Kieft, B.; O'Reilly, Thomas; Aguzzi, Jacopo; Bouvet, P.J. (SARTI, 2018)
      Article
      Open Access
      Nowadays, the use of autonomous vehicles for ocean research has increased, since these vehicles have a better cost/performance ratio than crewed vessels or oceanographic ships. For example, autonomous surface vehicles can ...
    • Acoustic tracking of Nephrops norvegicus by networked moored hydrophones in a deep-sea no-take reserve of the North Western Mediterranean Sea 

      Masmitjà Rusiñol, Ivan; Gomáriz Castro, Spartacus; Río Fernandez, Joaquín del; Navarro, Joan; Vigo Fernandez, Maria; Aguzzi, Jacopo; Bahamón Rivera, Nixon; García del Arco, José Antonio; Rotllant Estelrich, Guiomar; Company Claret, Joan Baptista (2020-12-01)
      Article
      Open Access
      Knowing the displacement capacity and mobility patterns of fished marine resources is pivotal to establish effective conservation management strategies in marine ecosystems. Accurate behavioral information of deep-sea ...
    • Acoustic tracking of nephrops norvegicus by networked moored hydrophones in a deep-sea no-take reserve of the North Western Mediterranean Sea 

      Masmitjà Rusiñol, Ivan; Gomáriz Castro, Spartacus; Río Fernandez, Joaquín del; Navarro, Joan; Vigo Fernandez, Maria; Aguzzi, Jacopo; Bahamón Rivera, Nixon; García, José Antonio; Rotllant Estelrich, Guiomar; Company Claret, Joan Baptista (2020-11-18)
      Research report
      Open Access
      Knowing the displacement capacity and mobility patterns of fished marine resources is pivotal to establish effective conservation management strategies in marine ecosystems. Accurate behavioral information of deep-sea ...
    • Advancing fishery-independent stock assessments for the Norway lobster (Nephrops norvegicus) with new monitoring technologies 

      Aguzzi, Jacopo; Chatzievangelou, Damianos; Bahamón Rivera, Nixon; Berry, Alan; Carreras, Marc; Company Claret, Joan Baptista; Costa, Corrado; Río Fernandez, Joaquín del; Falahzadehabarghouee, Ahmad; Fifas, Spyros; Flögel, Sasha; Grinyó Andreu, Jordi; Jónasson, Jónas; Jonsson, Patrick; Lordan, Colm; Lundy, M.; Marini, Simone; Martinelli, Michela; Masmitjà Rusiñol, Ivan; Mirimin, Luca; Naseer, Atif; Navarro, Joan; Palomeras, Narcís; Picardi, Giacomo; Stefanni, Sergio; Vigo Fernandez, Maria; Vila Gordillo, Yolanda; Weetman, Adrian; Doyle, Jennifer (Frontiers Media, 2022-09-09)
      Article
      Open Access
      The Norway lobster, Nephrops norvegicus, supports a key European fishery. Stock assessments for this species are mostly based on trawling and UnderWater TeleVision (UWTV) surveys. However, N. norvegicus are burrowing ...
    • Annual rhythms of temporal niche partitioning in the Sparidae family are correlated to different environmental variables 

      Sbragaglia, Valerio; Núñez, Jesús D.; Dominoni, Davide; Coco, Salvatore; Fanelli, Emanuela; Azzurro, Ernesto; Marini, Simone; Nogueras Cervera, Marc; Ponti, M.; Río Fernandez, Joaquín del; Aguzzi, Jacopo (Nature, 2019-02-08)
      Article
      Open Access
      The seasonal timing of recurring biological processes is essential for organisms living in temperate regions. While ample knowledge of these processes exists for terrestrial environments, seasonal timing in the marine ...
    • Application of geometric-morphometric, hypersdectral imaging and molecular makers to the study of depth-driven diferences in populations of decapods (crustacea) 

      Aguzzi, Jacopo; Costa, Corrado; Batista Company, Juan; Antonucci, Francesca; Pallottino, Federico; Menesatti, Paolo; Canali, Emiliano; Giorgi, Stefano; Angelini, Claudio; Ketmaier, Valerio (SARTI (Technological Development Centre of Remote Acquisition and Data processing Systems), 2010-04-26)
      Article
      Open Access
    • Area-only method for underwater tagged animals tracking usign autonomous vehicles 

      Masmitjà Rusiñol, Ivan; Gomáriz Castro, Spartacus; Río Fernandez, Joaquín del; Kieft, B; O'Reilly, Thomas C.; Aguzzi, Jacopo; Bouvet, Pierre-Jean; Fannjiang, Clara; Katija, Kakani (2019)
      Conference report
      Open Access
      The use of autonomous underwater vehicles for ocean research has increased as they have a better cost/performance ratio than crewed oceanographic vessels. For example, autonomous vehicles (e.g. a Wave Glider) can be used ...
    • Assessing the image concept drift at the OBSEA coastal underwater cabled observatory 

      Ottaviani, Ennio; Francescangeli, Marco; Gjeci, Nikolla; Río Fernandez, Joaquín del; Aguzzi, Jacopo; Marini, Simone (Frontiers Media, 2022-04-07)
      Article
      Open Access
      The marine science community is engaged in the exploration and monitoring of biodiversity dynamics, with a special interest for understanding the ecosystem functioning and for tracking the growing anthropogenic impacts. ...
    • Automated and colorimetric calibrated video-imaging protocol for the day-night counting of fishes at a cabled observatory 

      Río Fernandez, Joaquín del; Aguzzi, Jacopo; Costa, Corrado; Menesatti, Paolo; Nogueras Cervera, Marc; Sardà, Francesc; Manuel Lázaro, Antonio (SARTI, 2014)
      Article
      Open Access
    • Automated viedo-image analysis for the analysis of the behaviou of deep-water lobsters (nephrops norvegicus). 

      Pons, Sergi; Aguzzi, Jacopo; Piera Fernández, Jaume (SARTI (Technological Development Centre of Remote Acquisition and Data processing Systems), 2010-04-26)
      Article
      Open Access
      In this study, we show the results of applying automated data processing to a set of videos previously used to manually monitor the period and the phase of activity rhythms of the deep-water Norway lobster Nephrops ...
    • Automatic fish counting from underwater video images: performance estimation and evaluation 

      Marini, Simone; Azzurro, Ernesto; Coco, Salvatore; Río Fernandez, Joaquín del; Nogueras Cervera, Marc; Sbragaglia, Valerio; Toma, Daniel; Aguzzi, Jacopo (2016)
      Conference report
      Open Access
      Cabled observatories offer new opportunities to monitor species abundances at frequencies and durations never attained before. When nodes bear cameras, these may be transformed into the first sensor capable of quantifying ...
    • Automatic fish counting from underwater video images: performance estimation and evaluation 

      Marini, S.; Azzurro, E.; Coco, S.; Río Fernandez, Joaquín del; Enguídanos, S.; Fanelli, E.; Nogueras Cervera, Marc; Sbragaglia, Valerio; Toma, Daniel; Aguzzi, Jacopo (SARTI, 2016)
      Conference lecture
      Open Access
      Cabled observatories offer new opportunities to monitor species abundances at frequencies and durations never attained before. When nodes bear cameras, these may be transformed into the first sensor capable of quantifying ...
    • Cabled video-observatory monitoring of seasonal rhythms in a Mediterranean coastal fish community 

      Condal, Fernando; Aguzzi, Jacopo; Sardà Amills, Francesc; Nogueras Cervera, Marc; Cadena Muñoz, Francisco Javier; Manuel Lázaro, Antonio (2020-11-19)
      Research report
      Open Access
      The obtention of time series in the structure and biodiversity of marine populations is of great interest in spite of increasing anthropic perturbations of direct type (e.g. fishing or littering) or of more indirect nature ...