{"id":65622,"date":"2025-08-08T08:30:17","date_gmt":"2025-08-08T12:30:17","guid":{"rendered":"https:\/\/globalfishingwatch.org\/non-classifiee\/apparent-fishing-effort-ais\/"},"modified":"2025-08-08T10:56:04","modified_gmt":"2025-08-08T14:56:04","slug":"effort-de-peche-apparent-ais","status":"publish","type":"post","link":"https:\/\/globalfishingwatch.org\/fr\/data-documentation-fr\/effort-de-peche-apparent-ais\/","title":{"rendered":"Effort de p\u00eache apparent (AIS)"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"65622\" class=\"elementor elementor-65622 elementor-65571\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-493f93ba e-flex e-con-boxed e-con e-parent\" data-id=\"493f93ba\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-29906cab e-con-full e-flex e-con e-child\" data-id=\"29906cab\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4c5e7bc7 elementor-widget elementor-widget-post-info\" data-id=\"4c5e7bc7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"post-info.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-inline-items elementor-icon-list-items elementor-post-info\">\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-8a8d506 elementor-inline-item\" itemprop=\"about\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-terms\">\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-post-info__terms-list\">\n\t\t\t\t<a href=\"https:\/\/globalfishingwatch.org\/es\/category\/data-documentation-es\/\" class=\"elementor-post-info__terms-list-item\">Data Documentation<\/a>\t\t\t\t<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-27d8c4c elementor-widget elementor-widget-heading\" data-id=\"27d8c4c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Effort de p\u00eache apparent (AIS)\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-17e93fd9 e-flex e-con-boxed e-con e-parent\" data-id=\"17e93fd9\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-3d0d597e e-con-full e-flex e-con e-child\" data-id=\"3d0d597e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-72c397ba elementor-widget elementor-widget-heading\" data-id=\"72c397ba\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Vue d\u2019ensemble\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4e053f75 elementor-widget elementor-widget-text-editor\" data-id=\"4e053f75\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Le syst\u00e8me d\u2019identification automatique (AIS) est un syst\u00e8me de suivi d\u00e9velopp\u00e9 pour la s\u00e9curit\u00e9 maritime et la pr\u00e9vention des collisions. Global Fishing Watch collecte et analyse les donn\u00e9es AIS transmises par les navires pour comprendre l&rsquo;activit\u00e9 mondiale des navires.<\/span><\/p><p><span style=\"font-weight: 400;\">Les donn\u00e9es AIS incluent l\u2019identit\u00e9, l\u2019emplacement, la vitesse, le cap d\u2019un navire, etc., collect\u00e9es via un r\u00e9seau mondial de r\u00e9cepteurs satellites et terrestres. Global Fishing Watch traite quotidiennement des milliards de messages AIS, en se concentrant sur les navires susceptibles d\u2019\u00eatre des navires de p\u00eache en fonction de leurs habitudes de d\u00e9placement et des informations de leur registre. \u00c0 l\u2019aide d\u2019algorithmes d\u2019apprentissage machine, Global Fishing Watch classe (<\/span><a href=\"https:\/\/doi.org\/10.1126\/science.aao5646\"><span style=\"font-weight: 400;\">Kroodsma et al. 2018<\/span><\/a><span style=\"font-weight: 400;\">) le type de navire et d\u00e9duit l\u2019activit\u00e9 de p\u00eache \u00e0 partir de caract\u00e9ristiques telles que les changements de vitesse et de cap.<\/span><\/p><p><span style=\"font-weight: 400;\">Pour produire un ensemble de donn\u00e9es mondial de pr\u00e9visions d\u2019activit\u00e9 de p\u00eache (suivi des positions interpr\u00e9t\u00e9es comme indicatives de la p\u00eache), notre mod\u00e8le de p\u00eache g\u00e9n\u00e9ral doit couvrir diverses p\u00eacheries, chacune avec des d\u00e9finitions diff\u00e9rentes de ce qui constitue une \u00ab\u00a0activit\u00e9 de p\u00eache\u00a0\u00bb. En cons\u00e9quence, les donn\u00e9es d\u2019entra\u00eenement utilis\u00e9es pour construire le mod\u00e8le, et donc l\u2019activit\u00e9 de p\u00eache pr\u00e9dite, englobent une gamme de comportements li\u00e9s \u00e0 la p\u00eache, notamment la recherche, la pose d\u2019engins, le relevage et le temps de mouillage des engins.<\/span><\/p><p><span style=\"font-weight: 400;\">Le r\u00e9sultat de ces mod\u00e8les est affich\u00e9 sous la forme d\u2019\u00ab\u00a0effort de p\u00eache apparent\u00a0\u00bb et d\u2019\u00ab\u00a0\u00e9v\u00e9nements de p\u00eache apparents\u00a0\u00bb dans la plateforme et les donn\u00e9es Global Fishing Watch, qui ne sont pas des enregistrements de p\u00eache confirm\u00e9s. Les cas d\u2019utilisation sugg\u00e9r\u00e9s et les mises en garde d\u00e9crits ci-dessous expliquent les forces et les limitations de ces ensembles de donn\u00e9es.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f7f4ef4 elementor-widget elementor-widget-heading\" data-id=\"f7f4ef4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Cas d'utilisation\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ac81a39 elementor-widget elementor-widget-text-editor\" data-id=\"ac81a39\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"list\">\n<ul>\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Suivre l\u2019activit\u00e9 de p\u00eache en temps quasi r\u00e9el\u00a0:<\/b><span style=\"font-weight: 400;\"> Les gouvernements, les ONG et les chercheurs peuvent suivre l\u2019activit\u00e9 des navires et les heures de p\u00eache apparentes dans les eaux mondiales, les ZEE et les aires marines prot\u00e9g\u00e9es (AMP).<\/span><\/li>\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Soutenir l\u2019application des r\u00e8gles et la conformit\u00e9\u00a0:<\/b><span style=\"font-weight: 400;\"> Les donn\u00e9es AIS aident \u00e0 identifier les comportements suspects des navires, comme les activit\u00e9s de p\u00eache potentielles \u00e0 proximit\u00e9 des AMP. Cela aide les autorit\u00e9s \u00e0 prioriser les patrouilles et les enqu\u00eates.<\/span><\/li>\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Analyser les tendances et les comportements au fil du temps\u00a0:<\/b><span style=\"font-weight: 400;\"> Les archives AIS \u00e0 long terme permettent aux utilisateurs d\u2019examiner comment les habitudes de p\u00eache \u00e9voluent en fonction des changements saisonniers, des interventions politiques ou des \u00e9v\u00e9nements environnementaux.<\/span><\/li>\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Informer la gestion des p\u00eaches et la planification spatiale\u00a0:<\/b><span style=\"font-weight: 400;\"> L\u2019effort de p\u00eache apparent d\u00e9riv\u00e9 de l\u2019AIS peut \u00eatre superpos\u00e9 aux donn\u00e9es \u00e9cologiques et juridictionnelles pour soutenir les d\u00e9cisions de zonage, l\u2019\u00e9laboration des politiques et la gestion \u00e9cosyst\u00e9mique.<\/span><\/li>\n \t<li style=\"font-weight: 400;\" aria-level=\"1\"><b style=\"font-style: inherit;\">Accro\u00eetre la transparence et la responsabilit\u00e9\u00a0:<\/b><span style=\"font-weight: 400;\"> Les analyses bas\u00e9es sur les donn\u00e9es AIS accessibles au public contribuent \u00e0 une gouvernance oc\u00e9anique ouverte et inclusive et soutiennent les m\u00e9canismes de march\u00e9 pour un approvisionnement responsable.<\/span><\/li>\n<\/ul>\n<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cb83def elementor-widget elementor-widget-heading\" data-id=\"cb83def\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Limitations de l'AIS\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-651aa9b elementor-widget elementor-widget-text-editor\" data-id=\"651aa9b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"list\"><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Tous les navires ne sont pas \u00e9quip\u00e9s de transpondeurs AIS\u00a0:<\/b><span style=\"font-weight: 400;\"> L&rsquo;AIS est principalement utilis\u00e9 par les navires de plus de 24 m\u00e8tres qui op\u00e8rent plus loin des c\u00f4tes. De nombreux navires \u00e0 petite \u00e9chelle ou artisanaux ne sont pas \u00e9quip\u00e9s d\u2019AIS et ne sont donc pas pris en compte dans le calque d\u2019effort de p\u00eache apparent bas\u00e9 sur l\u2019AIS.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Transmissions intermittentes\u00a0:<\/b><span style=\"font-weight: 400;\"> Les diffusions AIS sont plus fr\u00e9quentes et d\u00e9tectables avec les appareils de classe A, qui sont courants sur les plus gros navires. Les appareils de classe B (utilis\u00e9s par les petits navires) ont des signaux plus faibles et sont re\u00e7us de mani\u00e8re moins fiable, en particulier par satellite. Lorsqu\u2019un navire transmet de mani\u00e8re intermittente, les positions des navires qui sont pr\u00e9dits comme des navires de p\u00eache peuvent \u00eatre associ\u00e9es \u00e0 des dur\u00e9es disproportionn\u00e9es, ce qui peut conduire \u00e0 des pr\u00e9dictions excessives ou insuffisantes de l&rsquo;effort de p\u00eache.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Interf\u00e9rences de signal et \u00e9carts de r\u00e9ception\u00a0:<\/b><span style=\"font-weight: 400;\"> Dans les zones de trafic maritime dense, les signaux AIS peuvent se chevaucher et interf\u00e9rer, r\u00e9duisant ainsi la d\u00e9tection par satellite des transmissions individuelles.\u00a0<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>D\u00e9sactivation ou falsification d\u00e9lib\u00e9r\u00e9e\u00a0:<\/b><span style=\"font-weight: 400;\"> Le syst\u00e8me AIS peut \u00eatre d\u00e9sactiv\u00e9 ou falsifi\u00e9 d\u00e9lib\u00e9r\u00e9ment, ce qui entra\u00eene des positions erron\u00e9es ou des identit\u00e9s partag\u00e9es.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Qualit\u00e9 des donn\u00e9es et d\u00e9lai de mise \u00e0 jour\u00a0:<\/b><span style=\"font-weight: 400;\"> Tous les fournisseurs ne capturent pas ou ne partagent pas des ensembles de donn\u00e9es AIS complets. Les stations terrestres peuvent enregistrer les messages moins fr\u00e9quemment, et la couverture des donn\u00e9es satellites est in\u00e9gale.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Interpr\u00e9tation au fil du temps\u00a0:<\/b><span style=\"font-weight: 400;\"> Les augmentations ou les diminutions de l\u2019activit\u00e9 apparente pourraient refl\u00e9ter un changement dans l\u2019utilisation de l\u2019AIS, un changement dans l\u2019acc\u00e8s aux stations terrestres ou \u00e0 l\u2019AIS dynamique, ou la qualit\u00e9 de la r\u00e9ception plut\u00f4t que des changements r\u00e9els dans le comportement de p\u00eache. Lorsque vous effectuez une \u00e9tude \u00e0 long terme sur les tendances de l\u2019activit\u00e9 de p\u00eache avec nos donn\u00e9es, nous vous sugg\u00e9rons de nous contacter pour vous aider dans l\u2019interpr\u00e9tation.<\/span><\/li><\/ul><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-12d0b44 elementor-widget elementor-widget-heading\" data-id=\"12d0b44\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Mises en garde\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9d6969c elementor-widget elementor-widget-text-editor\" data-id=\"9d6969c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"list\"><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Interpr\u00e9tation de l&rsquo;effort de p\u00eache apparent\u00a0:<\/b><span style=\"font-weight: 400;\"> Notre mod\u00e8le de p\u00eache g\u00e9n\u00e9ral estime l\u2019activit\u00e9 li\u00e9e \u00e0 la p\u00eache et vise \u00e0 refl\u00e9ter une gamme de comportements li\u00e9s \u00e0 la p\u00eache, tels que la recherche ou la pr\u00e9paration des engins, et pas seulement le d\u00e9ploiement ou la r\u00e9cup\u00e9ration des engins. Ces estimations ne doivent pas \u00eatre interpr\u00e9t\u00e9es comme des relev\u00e9s pr\u00e9cis de la pose ou du relevage des engins.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Faux r\u00e9sultats positifs\u00a0:<\/b><span style=\"font-weight: 400;\"> Les mod\u00e8les bas\u00e9s sur l\u2019AIS identifient la p\u00eache en fonction des sch\u00e9mas de mouvement. Comme pour tout mod\u00e8le, il peut y avoir de faux r\u00e9sultats positifs. De faux r\u00e9sultats positifs peuvent appara\u00eetre dans l\u2019ensemble de donn\u00e9es lorsque les navires ralentissent et changent de cap, mais ne sont pas engag\u00e9s dans une activit\u00e9 de p\u00eache. Nous travaillons en permanence \u00e0 r\u00e9duire les faux r\u00e9sultats positifs et cela devrait se refl\u00e9ter dans les futures publications de donn\u00e9es.\u00a0<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Biais dans l\u2019identification des navires et la classification des engins\u00a0:<\/b><span style=\"font-weight: 400;\"> Des erreurs de classification dans le type de navire peuvent survenir en raison de donn\u00e9es d\u2019enregistrement de navires incoh\u00e9rentes ou incompl\u00e8tes. Des erreurs de classification peuvent se produire lorsque les algorithmes ont du mal \u00e0 cat\u00e9goriser correctement les navires, par exemple lorsque les navires utilisent plusieurs engins (modifiant ainsi leurs mod\u00e8les de comportement) ou lorsque le num\u00e9ro MMSI (identit\u00e9 du service mobile maritime) d&rsquo;un navire est utilis\u00e9 par plus d&rsquo;un navire. Dans ces cas, le recyclage MMSI peut entra\u00eener une mauvaise classification du type de navire par notre mod\u00e8le de classification des navires. Une classification erron\u00e9e du type de navire peut entra\u00eener la pr\u00e9sence ou l\u2019absence inattendue de navires dans les estimations de l\u2019effort de p\u00eache apparent.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u00c9v\u00e9nements de p\u00eache apparents vs effort de p\u00eache apparent\u00a0:<\/b><span style=\"font-weight: 400;\"> Les \u00e9v\u00e9nements de p\u00eache apparents regroupent les positions de p\u00eache apparentes cons\u00e9cutives en \u00e9v\u00e9nements r\u00e9sum\u00e9s pour une visualisation plus facile. Ils appliquent des filtres bas\u00e9s sur le temps, la distance et le comportement du navire, ce qui peut exclure certaines positions de p\u00eache. Par cons\u00e9quent, les \u00e9v\u00e9nements de p\u00eache apparents et l\u2019effort de p\u00eache apparent peuvent diff\u00e9rer, en particulier lorsque l\u2019activit\u00e9 de p\u00eache s\u2019\u00e9tend sur de longues distances ou sur de longues p\u00e9riodes.<\/span><\/li><\/ul><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7b4cae0 elementor-widget elementor-widget-heading\" data-id=\"7b4cae0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Pr\u00e9visions pour les navires de p\u00eache au calmar \u00e0 la turlutte \n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-382d946 elementor-widget elementor-widget-text-editor\" data-id=\"382d946\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">L&rsquo;activit\u00e9 de p\u00eache apparente des navires de p\u00eache \u00e0 la turlutte est g\u00e9n\u00e9r\u00e9e avec une approche simple bas\u00e9e sur des r\u00e8gles (ou heuristique) et ne provient pas du mod\u00e8le de p\u00eache g\u00e9n\u00e9ral. La p\u00eache \u00e0 la turlutte peut \u00eatre observ\u00e9e via des mouvements de d\u00e9rive nocturnes, impliquant souvent des op\u00e9rations avec des lumi\u00e8res vives \u00e0 l&rsquo;arr\u00eat (<\/span><a href=\"https:\/\/doi.org\/10.1126\/sciadv.add8125\"><span style=\"font-weight: 400;\">Seto et al. 2023<\/span><\/a><span style=\"font-weight: 400;\">). L&rsquo;algorithme heuristique classe les positions comme \u00e9tant en p\u00eache si le navire de p\u00eache \u00e0 la turlutte se trouve \u00e0 plus de 10 milles nautiques du rivage et se d\u00e9place \u00e0 moins de 1,5 n\u0153ud la nuit pendant plus de quatre heures.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d8cf9ef elementor-widget elementor-widget-heading\" data-id=\"d8cf9ef\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Sources de donn\u00e9es et v\u00e9rification \n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7ffc838 elementor-widget elementor-widget-text-editor\" data-id=\"7ffc838\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Les mod\u00e8les de p\u00eache sont form\u00e9s et valid\u00e9s \u00e0 l&rsquo;aide de donn\u00e9es d&rsquo;observateurs, de journaux de bord et d&rsquo;experts. La pr\u00e9cision r\u00e9gionale varie en fonction de l&rsquo;utilisation de l&rsquo;AIS (ou du VMS, le cas \u00e9ch\u00e9ant), de la qualit\u00e9 de r\u00e9ception et des caract\u00e9ristiques de l&rsquo;engin.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-75adcd4 elementor-widget elementor-widget-heading\" data-id=\"75adcd4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Donn\u00e9es sources et citations\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a0195c9 elementor-widget elementor-widget-text-editor\" data-id=\"a0195c9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Toutes les donn\u00e9es sur les navires sont disponibles gratuitement via le portail de donn\u00e9es Global Fishing Watch \u00e0 l&rsquo;adresse <\/span><a href=\"https:\/\/globalfishingwatch.org\/\"><span style=\"font-weight: 400;\">https:\/\/globalfishingwatch.org<\/span><\/a><span style=\"font-weight: 400;\">. Pour en apprendre davantage, lisez l&rsquo;<\/span><a href=\"https:\/\/www.science.org\/doi\/10.1126\/science.aao5646\"><span style=\"font-weight: 400;\">article sur la m\u00e9thodologie li\u00e9e \u00e0 l&rsquo;identification de l&rsquo;activit\u00e9 de p\u00eache sur la base de l&rsquo;AIS<\/span><\/a><span style=\"font-weight: 400;\"> de Global Fishing Watch.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ff05489 elementor-widget elementor-widget-heading\" data-id=\"ff05489\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Licence<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-16899a7 elementor-widget elementor-widget-text-editor\" data-id=\"16899a7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Usage non commercial uniquement. Le Site et les Services sont fournis pour une utilisation non commerciale uniquement conform\u00e9ment \u00e0 la licence CC BY-NC 4.0. Si vous souhaitez utiliser le Site et\/ou les Services \u00e0 des fins commerciales, veuillez nous contacter.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-884e067 elementor-widget elementor-widget-heading\" data-id=\"884e067\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Portail de t\u00e9l\u00e9chargement de donn\u00e9es\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8d18a16 elementor-widget elementor-widget-text-editor\" data-id=\"8d18a16\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Les donn\u00e9es sur l&rsquo;effort de p\u00eache apparent de la plateforme et de l&rsquo;API diff\u00e8rent des donn\u00e9es disponibles sur le <\/span><a href=\"https:\/\/globalfishingwatch.org\/data-download\/\"><span style=\"font-weight: 400;\">portail de t\u00e9l\u00e9chargement de donn\u00e9es<\/span><\/a><span style=\"font-weight: 400;\">. <\/span><a href=\"https:\/\/globalfishingwatch.org\/faqs\/2025-march-static-apparent-fishing-effort-v3-difference-with-map\/\"><span style=\"font-weight: 400;\">En savoir plus<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>The agreement will harness technology and transparency to strengthen surveillance of marine protected areas and safeguard biodiversity <\/p>\n","protected":false},"author":63,"featured_media":61923,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"page_builder":"","footnotes":""},"categories":[1158],"tags":[],"class_list":["post-65622","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-data-documentation-es"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.4 (Yoast SEO v28.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Effort de p\u00eache apparent (AIS) - Global Fishing Watch<\/title>\n<meta name=\"description\" content=\"Le syst\u00e8me d\u2019identification automatique (AIS) est un syst\u00e8me de suivi d\u00e9velopp\u00e9 pour la s\u00e9curit\u00e9 maritime et la pr\u00e9vention des collisions. 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We believe human activity at sea should be common knowledge in order to safeguard the global ocean for the good of all.","email":"info@globalfishingwatch.org","legalName":"Global Fishing Watch","foundingDate":"2015-06-01","numberOfEmployees":{"@type":"QuantitativeValue","minValue":"51","maxValue":"200"}},{"@type":"Person","@id":"https:\/\/globalfishingwatch.org\/fr\/#\/schema\/person\/6dedf33afca86a6c9e452d36c14dc776","name":"Dave Poortvliet","image":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/globalfishingwatch.org\/wp-content\/litespeed\/avatar\/2a0f0dff0775a8bf277ba52878bc8d8d.jpg?ver=1789406204","url":"https:\/\/globalfishingwatch.org\/wp-content\/litespeed\/avatar\/2a0f0dff0775a8bf277ba52878bc8d8d.jpg?ver=1789406204","contentUrl":"https:\/\/globalfishingwatch.org\/wp-content\/litespeed\/avatar\/2a0f0dff0775a8bf277ba52878bc8d8d.jpg?ver=1789406204","caption":"Dave Poortvliet"}}]}},"_links":{"self":[{"href":"https:\/\/globalfishingwatch.org\/fr\/wp-json\/wp\/v2\/posts\/65622","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/globalfishingwatch.org\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/globalfishingwatch.org\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/globalfishingwatch.org\/fr\/wp-json\/wp\/v2\/users\/63"}],"replies":[{"embeddable":true,"href":"https:\/\/globalfishingwatch.org\/fr\/wp-json\/wp\/v2\/comments?post=65622"}],"version-history":[{"count":13,"href":"https:\/\/globalfishingwatch.org\/fr\/wp-json\/wp\/v2\/posts\/65622\/revisions"}],"predecessor-version":[{"id":65635,"href":"https:\/\/globalfishingwatch.org\/fr\/wp-json\/wp\/v2\/posts\/65622\/revisions\/65635"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/globalfishingwatch.org\/fr\/wp-json\/wp\/v2\/media\/61923"}],"wp:attachment":[{"href":"https:\/\/globalfishingwatch.org\/fr\/wp-json\/wp\/v2\/media?parent=65622"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/globalfishingwatch.org\/fr\/wp-json\/wp\/v2\/categories?post=65622"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/globalfishingwatch.org\/fr\/wp-json\/wp\/v2\/tags?post=65622"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}