{"id":7232,"date":"2021-01-21T15:45:31","date_gmt":"2021-01-21T20:45:31","guid":{"rendered":"https:\/\/canarie.machinedev.ca\/rne\/case-studies\/acorn-ns\/"},"modified":"2023-09-21T08:11:13","modified_gmt":"2023-09-21T12:11:13","slug":"acorn-ns","status":"publish","type":"page","link":"https:\/\/www.canarie.ca\/fr\/rnre\/etudes-de-cas\/acorn-ns\/","title":{"rendered":"ACORN-NS"},"content":{"rendered":"\n\n<section class=\"section section--text-with-image  alignfull container squares-right\">\n  <svg version=\"1.1\" class=\"animated-square-graphic\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" x=\"0px\" y=\"0px\"\n\t viewBox=\"0 0 1084.85 1080\" style=\"enable-background:new 0 0 1084.85 1080;\" xml:space=\"preserve\">\n<style type=\"text\/css\">\n\t.st0{opacity:0.51;fill:#FEFEFE;}\n\t.st1{fill:#F4F4F5;}\n\t.st2{fill:#58C3D2;}\n\t.st3{fill:#E90D0B;}\n\t.st4{fill:#393D3F;}\n<\/style>\n<g>\n\t<path class=\"st0\" 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des \u00e9cosyst\u00e8mes marins<\/h1>\n  \t\t  \t\t                              <\/div>\n    <\/div>\n  <\/div>\n<\/section>\n\n\n\n\n\n<p><strong>\u00c9tude de cas du RNRE par<a href=\"https:\/\/acorn-ns.ca\/\" target=\"_blank\" rel=\"noreferrer noopener\">&nbsp;ACORN-NS<\/a><\/strong><\/p>\n\n\n\n<p>Malgr\u00e9 leur importance capitale pour l\u2019\u00e9conomie mondiale, la s\u00e9curit\u00e9 alimentaire ainsi que la subsistance et la culture des peuples autochtones, les esp\u00e8ces aquatiques restent nimb\u00e9es de myst\u00e8re. On ne sait pas encore tout sur leurs d\u00e9placements et leur habitat. Jusqu\u2019\u00e0 pr\u00e9sent, les donn\u00e9es sur les mouvements des animaux importants \u00e9taient essentiellement de nature r\u00e9gionale, elles ne portaient que sur un petit nombre d\u2019esp\u00e8ces, voire manquaient souvent compl\u00e8tement pour beaucoup d\u2019esp\u00e8ces essentielles au r\u00e9seau trophique. Pour parvenir \u00e0 une intendance judicieuse des \u00e9cosyst\u00e8mes marins, l\u2019industrie, les d\u00e9cideurs et les groupes culturels ont besoin d\u2019un tableau pr\u00e9cis sur la survie, les d\u00e9placements et l\u2019habitat de nombreuses esp\u00e8ces, ainsi que sur leur r\u00e9action \u00e0 l\u2019\u00e9volution des conditions dans l\u2019oc\u00e9an.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Suivre des esp\u00e8ces partout sur le globe<\/h3>\n\n\n\n<p>L\u2019Ocean Tracking Network (OTN) canadien, \u00e0 l\u2019Universit\u00e9 Dalhousie de Halifax, a cr\u00e9\u00e9 un r\u00e9seau de surveillance mondial pour suivre avec pr\u00e9cision le d\u00e9placement local-international des esp\u00e8ces aquatiques dans les cinq oc\u00e9ans de la plan\u00e8te. Le r\u00e9seau rassemble des scientifiques du monde entier dans une \u00e9tude r\u00e9volutionnaire sur la vie marine et les conditions oc\u00e9aniques, qui posera les bases scientifiques d\u2019une gestion durable des oc\u00e9ans.<\/p>\n\n\n\n<p>L\u2019OTN recourt \u00e0 la t\u00e9l\u00e9m\u00e9trie \u00e9lectronique pour rep\u00e9rer les animaux aquatiques et relever divers param\u00e8tres environnementaux telles l\u2019oxyg\u00e9nation, la temp\u00e9rature et la salinit\u00e9 de l\u2019eau. Ses amarres, de la taille d\u2019une quille, captent le signal sonar transmis par&nbsp;l\u2019\u00e9tiquette des animaux marqu\u00e9s qui passent \u00e0 moins de 800 m\u00e8tres. Les donn\u00e9es de 2 000 amarres de ce genre et celles de pr\u00e8s de 30 000 autres, ind\u00e9pendantes mais compatibles, dans toutes les mers du globe, alimentent le r\u00e9seau et autorisent l\u2019\u00e9change international d\u2019informations, pour \u00e9tablir un syst\u00e8me de surveillance qui s\u2019\u00e9tend \u00e0 la plan\u00e8te enti\u00e8re. Le r\u00e9seau recourt aussi \u00e0 deux mod\u00e8les de v\u00e9hicule marin autonomes, t\u00e9l\u00e9command\u00e9s avec liaison satellite, pour r\u00e9cup\u00e9rer les donn\u00e9es des amarres et, parfois, recueillir de l\u2019information en temps quasi r\u00e9el.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote small is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong><strong>Qu\u2019est-ce que le RNRE?<\/strong><\/strong><\/p>\n\n\n\n<p><em><em>Le R\u00e9seau national de recherche et d\u2019\u00e9ducation (RNRE) est un regroupement d\u2019infrastructures, d\u2019outils et de personnes d\u2019une importance capitale dont la raison d\u2019\u00eatre est de rehausser le leadership du Canada dans les domaines de la recherche, de l\u2019enseignement et de l\u2019innovation. Les partenaires du RNRE canadien coop\u00e8rent afin de rendre cette infrastructure indispensable encore plus s\u00fbre. Un projet pancanadien sans pr\u00e9c\u00e9dent dans l\u2019histoire est en cours pour assurer une surveillance coordonn\u00e9e des menaces qui p\u00e8sent sur le r\u00e9seau.<\/em><\/em><\/p>\n<\/blockquote>\n\n\n\n<p>Les recherches de l\u2019OTN ont d\u00e9j\u00e0 donn\u00e9 lieu \u00e0 d\u2019importantes d\u00e9couvertes sur les migrations souvent myst\u00e9rieuses d\u2019animaux marins menac\u00e9s d\u2019extinction comme la tortue luth, le requin-p\u00e8lerin, l\u2019anguille d\u2019Am\u00e9rique et le thon rouge de l\u2019Atlantique. Elles ont produit des donn\u00e9es d\u2019une importance capitale pour la formulation des recommandations sur la protection de ces esp\u00e8ces. Les \u00e9tudes de surveillance ont aussi fait ressortir les limites des plans de gestion existants. Les poissons de r\u00e9cif qui portent une \u00e9tiquette acoustique, par exemple, quittent r\u00e9guli\u00e8rement les zones prot\u00e9g\u00e9es, ce qui les met en danger.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Consultation des donn\u00e9es oc\u00e9anographiques<\/h3>\n\n\n\n<p>L\u2019OTN recueille, stocke et partage ses jeux massifs de donn\u00e9es par le truchement du R\u00e9seau national de la recherche et de l\u2019\u00e9ducation (RNRE) du Canada, compos\u00e9 de CANARIE et de ses douze partenaires provinciaux et territoriaux. Ce r\u00e9seau regroupe les infrastructures, les outils et le personnel avec lesquels notre pays est devenu une figure de proue dans les milieux de la recherche, de l\u2019\u00e9ducation et de l\u2019innovation. Les chercheurs de l\u2019OTN, \u00e0 l\u2019Universit\u00e9 Dalhousie, se connectent au RNRE par le truchement d\u2019ACORN-NS (Atlantic Canada Organization of Research Networks \u2013 Nova Scotia).<\/p>\n\n\n\n<p>Toutes les donn\u00e9es recueillies par l\u2019OTN sont v\u00e9rifi\u00e9es et on en contr\u00f4le la qualit\u00e9. Ensuite, elles sont stock\u00e9es et agr\u00e9g\u00e9es \u00e0 l\u2019Universit\u00e9 Dalhousie avant d\u2019\u00eatre partag\u00e9es partout au pays et \u00e0 l\u2019\u00e9tranger par le biais des r\u00e9seaux d\u2019ACORN-NS et de CANARIE. Les donn\u00e9es oc\u00e9anographiques sont disponibles imm\u00e9diatement gr\u00e2ce au Syst\u00e8me mondial de t\u00e9l\u00e9communication, l\u00e0 o\u00f9 la Marine canadienne s\u2019en sert pour transmettre les bulletins m\u00e9t\u00e9o aux navires et o\u00f9 Environnement canada l\u2019utilise pour effectuer ses pr\u00e9visions m\u00e9t\u00e9orologiques. L\u2019OTN coop\u00e8re avec le minist\u00e8re des P\u00eaches et des Oc\u00e9ans du Canada (MPO) pour mettre en place le Syst\u00e8me int\u00e9gr\u00e9 d\u2019observation des oc\u00e9ans du Canada (SIOOC) qui emmagasinera les donn\u00e9es oc\u00e9anographies glan\u00e9es par l\u2019OTN, le MPO et diverses universit\u00e9s ou ONG.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Un chef de file en coop\u00e9ration mondiale<\/h3>\n\n\n\n<p>Les recherches de l\u2019OTN \u00e9tayent les politiques marines du Canada, les \u00e9valuations de l\u2019impact environnemental qui guident le d\u00e9veloppement durable de l\u2019industrie maritime, l\u2019am\u00e9nagement de zones marines prot\u00e9g\u00e9es et les strat\u00e9gies de gestion des esp\u00e8ces commerciales, menac\u00e9es ou en danger d\u2019extinction. Puisque les migrations entra\u00eenent les esp\u00e8ces aquatiques dans les eaux internationales, il est imp\u00e9ratif de partager les donn\u00e9es pertinentes avec le reste du monde, et l\u2019OTN a pris les devants dans le milieu scientifique international en orchestrant les recherches au-del\u00e0 des fronti\u00e8res nationales.<\/p>\n\n\n\n<p>Gr\u00e2ce \u00e0 ces donn\u00e9es majeures, l\u2019OTN prend aussi la t\u00eate des efforts d\u00e9ploy\u00e9s dans le monde pour \u00e9chafauder les strat\u00e9gies d\u2019adaptation au changement climatique. Les scientifiques de l\u2019OTN ont notamment anim\u00e9 le d\u00e9bat sur les d\u00e9placements des animaux \u00e0 l\u2019ONU, dans le cadre de l\u2019objectif 14 de son plan de d\u00e9veloppement durable. Cette participation devrait prendre de l\u2019ampleur jusqu\u2019\u00e0 ce que d\u00e9bute la D\u00e9cennie des sciences oc\u00e9aniques, en 2020.<\/p>\n\n\n\n<section class=\"section section--quick-links\">\n    <div class=\"grid-container\">\n      <div class=\"grid-x grid-padding-x\">\n        <div class=\"cell\">\n                  \t<h2>En savoir plus sur ACORN-NS:<\/h2>\n                                <div class=\"wp-block-buttons\">\n                \t\t\t\t  \t<a class=\"button wp-block-button__link\" href=\"http:\/\/acorn-ns.ca\" target=\"_blank\">acorn-ns.ca<\/a><br>\n    \t\t\t        \t\t\t  <\/div>\n    \t\t\t          <\/div>\n      <\/div>\n    <\/div>\n  <\/section>","protected":false},"excerpt":{"rendered":"<p>\u00c9tude de cas du RNRE par&nbsp;ACORN-NS Malgr\u00e9 leur importance capitale pour l\u2019\u00e9conomie mondiale, la s\u00e9curit\u00e9 alimentaire ainsi que la subsistance [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":6371,"parent":7168,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-7232","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - 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