{"id":24411,"date":"2019-01-23T17:50:47","date_gmt":"2019-01-23T16:50:47","guid":{"rendered":"https:\/\/www.azti.es\/servicios\/selectividad-acustica-para-mejorar-la-estima-de-biomasa-y-discriminar-especies-no-objetivo\/"},"modified":"2021-09-02T13:17:25","modified_gmt":"2021-09-02T11:17:25","slug":"acoustic-selectivity-improve-biomass","status":"publish","type":"services","link":"https:\/\/old.azti.es\/en\/servicios\/acoustic-selectivity-improve-biomass\/","title":{"rendered":"Acoustic selectivity to improve biomass estimation and discriminate non-target species"},"content":{"rendered":"\n\n<!-- **********************************************\n     ************* PAGE HEADER - DEFAULT ************ \n     ********************************************** -->\n    <header class=\"page-header page-header-default \">\n        <div>\n            \n    <nav class=\"breadcrumb\">\n        <ul>\n                            <li class=\"\">\n                                            <a href=\"https:\/\/old.azti.es\">Inicio<\/a>\n                                    <\/li>\n                            <li class=\"\">\n                                            <a href=\"https:\/\/old.azti.es\/en\/research-areas\/\">Campos de aplicaci\u00f3n<\/a>\n                                    <\/li>\n                            <li class=\"\">\n                                            <a href=\"https:\/\/old.azti.es\/en\/application\/sustainable-fisheries-management\/\">Sustainable fisheries management<\/a>\n                                    <\/li>\n                            <li class=\"\">\n                                            <a href=\"https:\/\/old.azti.es\">Servicios<\/a>\n                                    <\/li>\n                            <li class=\"current\">\n                                            <a href=\"https:\/\/old.azti.es\/en\/servicios\/acoustic-selectivity-improve-biomass\/\">Acoustic selectivity to improve biomass estimation and discriminate non-target species<\/a>\n                                    <\/li>\n                    <\/ul> \n    <\/nav>\n                                                    <div class=\"page-header-body\">\n                    <div>\n                        <div class=\"title-wrapper\">\n                                                        <h1 class=\"h1\">Acoustic selectivity to improve biomass estimation and discriminate non-target species<\/h1>\n\n                                                            <div class=\"post-date-categories\">\n                                    \n                                <\/div>\n                                                                                                                            <div class=\"page-header-description\">\n                                        <p><p>Acoustics applied to the knowledge of fishery resources: ECHOSOUNDS of DCPDs<\/p><\/p>\n                                    <\/div>\n                                                                                    <\/div>\n                    <\/div>\n                                    <\/div>\n                                                            \n                        <picture class=\"image default\">\n                                <source media=\"(min-width: 993px)\" srcset=\"https:\/\/old.azti.es\/wp-content\/uploads\/2019\/01\/selectividad-acustica-para-mejorar-gestion-pesquera-sostenible-azti-1200x830.jpg, https:\/\/old.azti.es\/wp-content\/uploads\/2019\/01\/selectividad-acustica-para-mejorar-gestion-pesquera-sostenible-azti-2400x1660.jpg 2x\"\/>    \n                <source media=\"(min-width: 769px)\" srcset=\"https:\/\/old.azti.es\/wp-content\/uploads\/2019\/01\/selectividad-acustica-para-mejorar-gestion-pesquera-sostenible-azti-992x686.jpg, https:\/\/old.azti.es\/wp-content\/uploads\/2019\/01\/selectividad-acustica-para-mejorar-gestion-pesquera-sostenible-azti-1984x1372.jpg 2x\"\/>\n                <source media=\"(min-width: 451px)\" srcset=\"https:\/\/old.azti.es\/wp-content\/uploads\/2019\/01\/selectividad-acustica-para-mejorar-gestion-pesquera-sostenible-azti-768x531.jpg, https:\/\/old.azti.es\/wp-content\/uploads\/2019\/01\/selectividad-acustica-para-mejorar-gestion-pesquera-sostenible-azti-1536x1062.jpg 2x\"\/>\n                <source media=\"(min-width: 0)\" srcset=\"https:\/\/old.azti.es\/wp-content\/uploads\/2019\/01\/selectividad-acustica-para-mejorar-gestion-pesquera-sostenible-azti-450x311.jpg, https:\/\/old.azti.es\/wp-content\/uploads\/2019\/01\/selectividad-acustica-para-mejorar-gestion-pesquera-sostenible-azti-900x623.jpg 2x\"\/>\n                                    <img class=\"\" src=\"https:\/\/old.azti.es\/wp-content\/uploads\/2019\/01\/selectividad-acustica-para-mejorar-gestion-pesquera-sostenible-azti.jpg\" srcset=\"https:\/\/old.azti.es\/wp-content\/uploads\/2019\/01\/selectividad-acustica-para-mejorar-gestion-pesquera-sostenible-azti-1200x830.jpg\" alt=\"selectividad ac\u00fastca\" title=\"selectividad-acustica-para-mejorar-gestion-pesquera-sostenible-azti\"\/>\n                            <\/picture>\n            \n                                    <\/div>\n    <\/header>\n\n    \n\n\n\n<p>By using AZTI&#8217;s DCPDs Echosounders it is possible to achieve:<\/p>\n\n\n\n<ul><li>Improve the estimate of biomass in tonnes for tuna and non-target species from the sonar beacons.<\/li><li>Discriminate small tunas from the sonar beacons.<\/li><li>Discriminate non-target species from the sonar beacons.<\/li><\/ul>\n\n\n\n<p>DCPD echosounders allow improved biomass estimation in tonnes for tuna and non-target species from the sonar beacons.<\/p>\n\n\n\n<h2>Benefits<\/h2>\n\n\n\n<ul><li>To know the biomass associated with a floating object in a more precise way, both for fishing and for its study.<\/li><li>To know the groups of species associated with a floating object, both for more selective fishing and for its study.<\/li><\/ul>\n\n\n\n<h2>Fields of application<\/h2>\n\n\n\n<ul><li>Buoy marketing companies.<\/li><li>Fishing sector.<\/li><li>Scientific community.<\/li><li>Public administrations and official bodies wishing to avoid fishing for non-target species in the tropical tuna purse seine fleet.<br><br>AZTI is the only institute in the world that works with the sonar beacons used by the fishing industry to geolocate floating objects.<\/li><\/ul>\n\n\n\n<h2>Proven expertise<\/h2>\n\n\n\n<ul><li>AZTI is the only institute in the world that works with the sonar beacons used by the fishing industry to geolocate floating objects.<\/li><li>More than 10 years of research on species associated with free-floating objects, using acoustic and tagging techniques.<\/li><li>Multidisciplinary team, specialised in fishing technology, eco-ethology of species of interest and underwater acoustics.<\/li><li>Members of expert committees on acoustics (ICES Working Group on Acoustics) and members of the ISSF by-catch scientific committee.<\/li><li>Specific technologies available:<ul><li>Simrad 38, 120 and 200 kHz scientific sounders<\/li><li>Acoustic tag listening stations<\/li><li>Environmental satellite maps (altimetry, temperature, chlorophyll, etc.)<\/li><\/ul><\/li><\/ul>\n\n\n\n<p><\/p>\n\n\n\n<h2>Success stories<\/h2>\n\n\n\n<ul><li>FADIO Project, study of FADs (floating objects) as observatories of the pelagic environment: acoustic study prior to species recognition.<\/li><li>Project Selectun, study of the behaviour and discrimination of tuna from sonar beacons.<\/li><li>EU MADE project: improvement of algorithms for estimating the biomass of species associated with floating objects and study of aggregations under the free floating objects (behaviour in relation to environmental parameters).<\/li><li>A doctoral thesis, on obtaining abundance indices from sonar beacons and for the study of tuna dynamics in relation to environmental variables.<\/li><li>Two scientific publications (Lopez et al 2013 submitted) on the use of sonar beacons and the improvement of biomass estimates.<\/li><\/ul>\n\n\n\n<p><\/p>\n","protected":false},"featured_media":6220,"parent":0,"menu_order":0,"template":"","contexts":[207,203,200],"application":[54],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v18.4.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Acoustic selectivity to improve biomass estimation and discriminate non-target species<\/title>\n<meta name=\"description\" content=\"Acoustic selectivity to improve biomass estimation and discriminate non-target species linked to sustainable fisheries management.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/old.azti.es\/en\/servicios\/acoustic-selectivity-improve-biomass\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" 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