{"id":20827,"date":"2021-01-21T13:07:43","date_gmt":"2021-01-21T12:07:43","guid":{"rendered":"https:\/\/www.azti.es\/proyectos\/silky-shark\/"},"modified":"2021-02-26T09:36:56","modified_gmt":"2021-02-26T08:36:56","slug":"survival-study-silky-sharks","status":"publish","type":"projects","link":"https:\/\/old.azti.es\/en\/proyectos\/survival-study-silky-sharks\/","title":{"rendered":"SILKY"},"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\">Proyectos<\/a>\n                                    <\/li>\n                            <li class=\"current\">\n                                            <a href=\"https:\/\/old.azti.es\/en\/proyectos\/survival-study-silky-sharks\/\">SILKY<\/a>\n                                    <\/li>\n                    <\/ul> \n    <\/nav>\n                                                    <div class=\"page-header-body\">\n                    <div>\n                        <div class=\"title-wrapper\">\n                                                        <h1 class=\"h1\">SILKY<\/h1>\n\n                                                            <div class=\"post-date-categories\">\n                                    \n                                <\/div>\n                                                                                                                            <div class=\"page-header-description\">\n                                        <p><p>Post-release survival study of silky sharks (Carchahinus falciformis) and interaction with the tropical tuna purse seine fishery in the Indian Ocean.<\/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\/2021\/01\/SILKY-SHARK_TAGGING_AZTI-1.jpg\"\/>    \n                <source media=\"(min-width: 769px)\" srcset=\"https:\/\/old.azti.es\/wp-content\/uploads\/2021\/01\/SILKY-SHARK_TAGGING_AZTI-1.jpg\"\/>\n                <source media=\"(min-width: 451px)\" srcset=\"https:\/\/old.azti.es\/wp-content\/uploads\/2021\/01\/SILKY-SHARK_TAGGING_AZTI-1-768x432.jpg\"\/>\n                <source media=\"(min-width: 0)\" srcset=\"https:\/\/old.azti.es\/wp-content\/uploads\/2021\/01\/SILKY-SHARK_TAGGING_AZTI-1-450x253.jpg\"\/>\n                                    <img class=\"\" src=\"https:\/\/old.azti.es\/wp-content\/uploads\/2021\/01\/SILKY-SHARK_TAGGING_AZTI-1.jpg\" srcset=\"https:\/\/old.azti.es\/wp-content\/uploads\/2021\/01\/SILKY-SHARK_TAGGING_AZTI-1.jpg\" alt=\"marcado de tibut\u00f3n sedoso\" title=\"SILKY-SHARK_TAGGING_AZTI\"\/>\n                            <\/picture>\n            \n                                    <\/div>\n    <\/header>\n\n    \n\n\n\n<div class=\"two-columns-content\">\n    <div class=\"two-columns-content-left\">\n        \n<div class=\"wp-block-azti-two-columns-content\">\n<p>This project, which will be carried out at the initiative of the tuna company ECHEBASTAR in the Indian Ocean, will contribute to <strong>assessing the effectiveness of mitigation measures already implemented for sharks and to improving the sustainability of the tropical tuna fishery<\/strong> as the fleet progresses towards the highest sustainability standards.<\/p>\n\n\n\n<h2>Specific Objectives<\/h2>\n\n\n\n<p>The specific objectives of this study are:<\/p>\n\n\n\n<ul><li><strong>Estimate the post-release survival rate of <em>C. falciformis<\/em><\/strong> through the application of best practices (BBPP) in purse seiners using sPAT and MiniPAT satellite tags.<\/li><li><strong>Identify the correlation between the number of <em>C. falciformis<\/em> and the catch volume per set<\/strong> (total tonnes caught in a set and the biomass under the FAD where the set is to be made).<\/li><li>Identify the <strong>correlation between the number of <em>C. falciformis<\/em> caught per set and the geographical location of the set.<\/strong><\/li><\/ul>\n\n\n\n<h2>Metodology<\/h2>\n\n\n\n<p>Sampling shall be carried out during fishing trips conducted by ECHEBASTAR in the Indian Ocean and <strong>with 100% physical observer coverage.<\/strong> <strong>The sPAT satellite tags will be deployed on C. falciformis following the practices defined in the Good Practice programme.<\/strong> Through the tags, information on depth, temperature, mortality and position of the animal will be obtained. Specifically, AZTI tagging experts will place the satellite tags during a fishing trip to quantify the survival of silky sharks (following the release methods) during two different modes: i) when releasing the shark before going down to the fishing park and ii) when releasing the shark through the upper band once it arrives at the fishing park.<\/p>\n<\/div>\n    <\/div>\n    <div class=\"two-columns-content-right\">\n        <div class=\"related-members\">\n              \n\n    <article class=\"member \">\n    <div class=\"member-inner\">\n        <div class=\"member-info\">\n            <figure>\n                                    \n                        <picture class=\"image small\">  \n                <source srcset=\"https:\/\/old.azti.es\/wp-content\/uploads\/2019\/02\/mgrande.jpg\"\/>\n                <img class=\"\" src=\"https:\/\/old.azti.es\/wp-content\/uploads\/2019\/02\/mgrande.jpg\" srcset=\"https:\/\/old.azti.es\/wp-content\/uploads\/2019\/02\/mgrande.jpg\" alt=\"Maitane Grande\" title=\"mgrande\"\/>\n            <\/picture>\n            \n                   \n            <\/figure>\n            <header>\n                                    <h6><a href=\"https:\/\/old.azti.es\/en\/team\/maitane-grande\/\">Maitane Grande<\/a><\/h6>\n                                <p>Project Manager<\/p>\n                <!--<a href=\"mailto:mgrande@azti.es\">mgrande@azti.es<\/a>-->\n                            <\/header>\n        <\/div>\n    <\/div>\n<\/article>\n\n\n<a  href=\"https:\/\/old.azti.es\/equipo\" \n    class=\"filling-on-hover \"\n    target=\"_self\"\n    data-form-id=\"\"\n        >\n            <span><\/span>\n        Conoce al equipo de AZTI\n    \n    \n    \n    \n    \n    \n<\/a>        <\/div>\n            <\/div>\n<\/div>\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" src=\"https:\/\/www.azti.es\/wp-content\/uploads\/2021\/01\/SILKY-SHARK_TAGGING_ECHEBAS.jpg\" alt=\"\" class=\"wp-image-20215\" 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title=\"video\"\/>\n                            <\/picture>\n            \n        <button onclick=\"gtag('event', 'Visualizacion', {'event_category' : 'Video','event_label' : '20199'});\" class=\"advanced-video-dialog-toggle toggle-video-modal\">\n            <svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" width=\"24\" height=\"24\" viewBox=\"0 0 24 24\"><path d=\"M8 5v14l11-7z\"\/><path d=\"M0 0h24v24H0z\" fill=\"none\"\/><\/svg>\n        <\/button>\n        <!-- <div class=\"advanced-video-backdrop\"><\/div>\n        <div class=\"advanced-video-dialog\">\n                            <div class=\"yt-video\" data-code=\"zq9lej2ckRg\"><\/div>\n                    <\/div> -->\n    <\/div>\n<\/div>\n\n\n<div class=\"info-table\">\n    <table>\n                    <tr>\n                <td>Funding <\/td>\n                <td>\n                                                <p>Echebastar<\/p>                        \n                                        <\/td>\n            <\/tr>\n                    <tr>\n                <td>Lenght<\/td>\n                <td>\n                                                <p>202-2021<\/p>                        \n                                        <\/td>\n            <\/tr>\n                    <tr>\n                <td>More info<\/td>\n                <td>\n                                                <p><a href=\"https:\/\/echebastar.com\/paso-a-paso-comprometidos-con-nuestros-valores-asi-avanza-el-proyecto-silky\/\" target=\"_blank\" rel=\"noreferrer noopener\">echebastar.com<\/a><\/p>                        \n                                        <\/td>\n            <\/tr>\n            <\/table>\n<\/div>\n\n\n<p><\/p>\n","protected":false},"featured_media":20211,"parent":0,"menu_order":0,"template":"","contexts":[202,199],"application":[54],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v18.4.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>SILKY - AZTI<\/title>\n<meta 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