{"id":14091,"date":"2026-01-29T17:04:05","date_gmt":"2026-01-29T16:04:05","guid":{"rendered":"https:\/\/fisheries.groupcls.com\/?page_id=14091"},"modified":"2026-01-29T17:04:06","modified_gmt":"2026-01-29T16:04:06","slug":"etudes-ecosystemes-marins","status":"publish","type":"page","link":"https:\/\/fisheries.groupcls.com\/fr\/administrations\/etudes-ecosystemes-marins\/","title":{"rendered":"\u00c9tudes des \u00e9cosyst\u00e8mes marins"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row][vc_column][vc_single_image image=\u00a0\u00bb8814&Prime; img_size=\u00a0\u00bb1200X250&Prime; alignment=\u00a0\u00bbcenter\u00a0\u00bb css=\u00a0\u00bb\u00a0\u00bb][vc_row_inner][vc_column_inner width=\u00a0\u00bb1\/2&Prime;][vc_custom_heading text=\u00a0\u00bbMieux comprendre l\u2019oc\u00e9an pour mieux g\u00e9rer les p\u00eaches\u00a0\u00bb font_container=\u00a0\u00bbtag:h2|text_align:center\u00a0\u00bb use_theme_fonts=\u00a0\u00bbyes\u00a0\u00bb css=\u00a0\u00bb.vc_custom_1623744922294{padding-bottom: 10px !important;}\u00a0\u00bb][vc_column_text]<\/p>\n<p style=\"text-align: justify;\">Les oc\u00e9ans sont au c\u0153ur de notre \u00e9quilibre alimentaire, \u00e9conomique et environnemental. Pourtant, les ressources marines subissent une pression croissante : intensification de la p\u00eache, changement climatique, d\u00e9gradation des habitats.<\/p>\n<p style=\"text-align: justify;\">Pour y faire face, les autorit\u00e9s ont besoin d\u2019une vision claire, fiable et compr\u00e9hensible de l\u2019\u00e9tat des \u00e9cosyst\u00e8mes marins.<\/p>\n<p style=\"text-align: justify;\">CLS accompagne les administrations des p\u00eaches en leur apportant des \u00e9tudes scientifiques accessibles, con\u00e7ues pour \u00e9clairer les d\u00e9cisions strat\u00e9giques et garantir une exploitation durable des ressources marines.<\/p>\n<p>[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb1\/2&Prime; css=\u00a0\u00bb.vc_custom_1769702145019{margin-left: 20px !important;padding-right: 40px !important;}\u00a0\u00bb][vc_custom_heading text=\u00a0\u00bbUne expertise scientifique mise au service de la d\u00e9cision\u00a0\u00bb font_container=\u00a0\u00bbtag:h2|text_align:center\u00a0\u00bb use_theme_fonts=\u00a0\u00bbyes\u00a0\u00bb css=\u00a0\u00bb.vc_custom_1623744927847{padding-bottom: 10px !important;}\u00a0\u00bb][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]<\/p>\n<p style=\"text-align: justify;\">CLS s\u2019appuie sur une \u00e9quipe internationale de scientifiques sp\u00e9cialis\u00e9s dans l\u2019oc\u00e9an, les poissons et leur environnement. Leur r\u00f4le : transformer des donn\u00e9es complexes en informations utiles et directement exploitables.<\/p>\n<p>Gr\u00e2ce \u00e0 l\u2019analyse combin\u00e9e :<\/p>\n<ul>\n<li>des donn\u00e9es de p\u00eache,<\/li>\n<li>des observations de l\u2019oc\u00e9an (temp\u00e9rature, courants, productivit\u00e9),<\/li>\n<li>et de mod\u00e8les scientifiques \u00e9prouv\u00e9s.<\/li>\n<\/ul>\n<p style=\"text-align: justify;\">CLS aide les d\u00e9cideurs \u00e0 comprendre comment les activit\u00e9s humaines et les conditions naturelles influencent les populations de poissons, aujourd\u2019hui et demain.<\/p>\n<p>[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner][vc_column_inner css=\u00a0\u00bb.vc_custom_1592579857747{padding-top: 30px !important;padding-bottom: 30px !important;}\u00a0\u00bb][vc_btn title=\u00a0\u00bbContactez-nous \u00e0 propos de votre projet\u00a0\u00bb style=\u00a0\u00bbclassic\u00a0\u00bb color=\u00a0\u00bbprimary\u00a0\u00bb align=\u00a0\u00bbcenter\u00a0\u00bb css=\u00a0\u00bb\u00a0\u00bb link=\u00a0\u00bburl:https%3A%2F%2Ffisheries.groupcls.com%2Ffr%2Fcontact%2F|title:Contact|\u00a0\u00bb][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row full_width=\u00a0\u00bbstretch_row\u00a0\u00bb gap=\u00a0\u00bb35&Prime; css=\u00a0\u00bb.vc_custom_1769613686638{padding-top: 60px !important;padding-bottom: 60px !important;background-color: #0F1F2D !important;}\u00a0\u00bb][vc_column css=\u00a0\u00bb.vc_custom_1592580063121{padding-top: 30px !important;padding-bottom: 30px !important;}\u00a0\u00bb][vc_row_inner][vc_column_inner width=\u00a0\u00bb1\/2&Prime;][vc_images_carousel images=\u00a0\u00bb14011,14012,14013&Prime; img_size=\u00a0\u00bbfull\u00a0\u00bb onclick=\u00a0\u00bblink_no\u00a0\u00bb speed=\u00a0\u00bb3000&Prime; autoplay=\u00a0\u00bbyes\u00a0\u00bb hide_pagination_control=\u00a0\u00bbyes\u00a0\u00bb hide_prev_next_buttons=\u00a0\u00bbyes\u00a0\u00bb wrap=\u00a0\u00bbyes\u00a0\u00bb][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb1\/2&Prime; css=\u00a0\u00bb.vc_custom_1769613720070{margin-left: 2em !important;}\u00a0\u00bb][vc_custom_heading text=\u00a0\u00bb\u00c0 quoi servent concr\u00e8tement ces \u00e9tudes ?\u00a0\u00bb font_container=\u00a0\u00bbtag:h2|text_align:left|color:%23ffffff\u00a0\u00bb use_theme_fonts=\u00a0\u00bbyes\u00a0\u00bb css=\u00a0\u00bb\u00a0\u00bb][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]<\/p>\n<p style=\"text-align: justify; color: #ffffff;\">Les \u00e9tudes des \u00e9cosyst\u00e8mes marins permettent notamment de :<\/p>\n<ul>\n<li style=\"text-align: justify; color: #ffffff;\"><strong style=\"color: #ffffff;\">\u00c9valuer l\u2019\u00e9tat de sant\u00e9 des stocks de poissons<\/strong> et d\u00e9tecter les risques de surexploitation.<\/li>\n<li style=\"text-align: justify; color: #ffffff;\"><strong style=\"color: #ffffff;\">Tester diff\u00e9rents sc\u00e9narios de gestion<\/strong>, par exemple l\u2019impact d\u2019une augmentation ou d\u2019une r\u00e9duction des quotas.<\/li>\n<li style=\"text-align: justify; color: #ffffff;\"><strong style=\"color: #ffffff;\">Anticiper les effets du changement climatique<\/strong> sur la r\u00e9partition et l\u2019abondance des esp\u00e8ces marines.<\/li>\n<li style=\"text-align: justify; color: #ffffff;\"><strong style=\"color: #ffffff;\">Identifier les zones sensibles<\/strong>, comme les habitats de reproduction ou de croissance de poissons juv\u00e9niles.<\/li>\n<li style=\"text-align: justify; color: #ffffff;\"><strong style=\"color: #ffffff;\">Prot\u00e9ger les esp\u00e8ces vuln\u00e9rables<\/strong>, en r\u00e9duisant les captures accidentelles de tortues, dauphins ou requins.<\/li>\n<li style=\"text-align: justify; color: #ffffff;\"><strong style=\"color: #ffffff;\">Planifier l\u2019avenir<\/strong>, avec des projections sur plusieurs d\u00e9cennies pour s\u00e9curiser les ressources \u00e0 long terme.<\/li>\n<\/ul>\n<p style=\"text-align: justify; color: #ffffff;\">Ces analyses permettent ainsi de prendre des d\u00e9cisions plus justes, plus efficaces et plus durables.<\/p>\n<p>[\/vc_column_text][vc_btn title=\u00a0\u00bbD\u00e9couvrez nos recherches\u00a0\u00bb style=\u00a0\u00bbclassic\u00a0\u00bb color=\u00a0\u00bbprimary\u00a0\u00bb align=\u00a0\u00bbleft\u00a0\u00bb css=\u00a0\u00bb\u00a0\u00bb link=\u00a0\u00bburl:https%3A%2F%2Fseapodym.groupcls.com%2F|target:_blank|\u00a0\u00bb][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row full_width=\u00a0\u00bbstretch_row\u00a0\u00bb css=\u00a0\u00bb.vc_custom_1769702600298{padding-top: 60px !important;padding-bottom: 60px !important;background-color: #F5F7FA !important;}\u00a0\u00bb][vc_column][vc_column_text css=\u00a0\u00bb\u00a0\u00bb]<\/p>\n<h2 style=\"text-align: center;\">Des projets men\u00e9s partout dans le monde<\/h2>\n<p style=\"text-align: center;\">CLS intervient aupr\u00e8s de gouvernements, d\u2019organisations internationales et de commissions r\u00e9gionales des p\u00eaches, sur tous les oc\u00e9ans.<br \/>\nParmi les projets men\u00e9s :<\/p>\n<p>[\/vc_column_text][vc_row_inner css=\u00a0\u00bb.vc_custom_1769702329300{padding-bottom: 30px !important;}\u00a0\u00bb][vc_column_inner width=\u00a0\u00bb1\/3&Prime;][vc_single_image image=\u00a0\u00bb9103&Prime; img_size=\u00a0\u00bb200&#215;200&Prime; alignment=\u00a0\u00bbcenter\u00a0\u00bb style=\u00a0\u00bbvc_box_outline\u00a0\u00bb][vc_column_text css=\u00a0\u00bb.vc_custom_1769702494099{padding-right: 1em !important;padding-left: 1em !important;}\u00a0\u00bb]<\/p>\n<p style=\"text-align: center;\"><b>Oc\u00e9an Austral<br \/>\n<\/b>Etude des \u00e9quilibres \u00e9cologiques autour du krill, un maillon essentiel de la cha\u00eene alimentaire marine<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/cordis.europa.eu\/project\/id\/817669\" target=\"_blank\" rel=\"noopener noreferrer\">Nous \u00e9valuons l&rsquo;impact sur l&rsquo;\u00e9cosyst\u00e8me de la r\u00e9colte d&rsquo;organismes marins tels que le krill, une pr\u00e9occupation croissante dans le domaine de la bio\u00e9conomie et de la gestion des ressources.<\/a><\/p>\n<p>[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb1\/3&Prime;][vc_single_image image=\u00a0\u00bb9755&Prime; img_size=\u00a0\u00bb200&#215;200&Prime; alignment=\u00a0\u00bbcenter\u00a0\u00bb style=\u00a0\u00bbvc_box_outline\u00a0\u00bb][vc_column_text css=\u00a0\u00bb.vc_custom_1769702481882{padding-right: 1em !important;padding-left: 1em !important;}\u00a0\u00bb]<\/p>\n<p style=\"text-align: center;\"><b>Pacifique Sud (Chili)<br \/>\n<\/b>Cartographie et suivi des stocks de maquereau pour une gestion plus pr\u00e9cise<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/seapodym.groupcls.com\/project\/south-pacific-jack-mackerel\/\" target=\"_blank\" rel=\"noopener noreferrer\">Premi\u00e8re estimation spatiale explicite des stocks de maquereau chilien dans l&rsquo;oc\u00e9an Pacifique Sud.<\/a><\/p>\n<p>[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb1\/3&Prime;][vc_single_image image=\u00a0\u00bb9762&Prime; img_size=\u00a0\u00bb200&#215;200&Prime; alignment=\u00a0\u00bbcenter\u00a0\u00bb style=\u00a0\u00bbvc_box_outline\u00a0\u00bb][vc_column_text css=\u00a0\u00bb.vc_custom_1769702471814{padding-right: 1em !important;padding-left: 1em !important;}\u00a0\u00bb]<\/p>\n<p style=\"text-align: center;\"><b>Oc\u00e9ans Pacifique et Indien<\/b><br \/>\nAnalyse de l\u2019impact du changement climatique sur les grandes p\u00eacheries de thon<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/fisheries.groupcls.com\/how-is-climate-change-affecting-tuna-fish-stocks-in-the-pacific\/\" target=\"_blank\" rel=\"noopener noreferrer\">Nous avons simul\u00e9 l&rsquo;impact des changements climatiques sur les plus grandes populations de thons et les p\u00eacheries les plus importantes au monde.<\/a><\/p>\n<p>[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner][vc_column_inner width=\u00a0\u00bb1\/3&Prime;][vc_single_image image=\u00a0\u00bb9097&Prime; img_size=\u00a0\u00bb200X200&Prime; alignment=\u00a0\u00bbcenter\u00a0\u00bb style=\u00a0\u00bbvc_box_outline\u00a0\u00bb][vc_column_text css=\u00a0\u00bb.vc_custom_1769702436189{padding-right: 1em !important;padding-left: 1em !important;}\u00a0\u00bb]<\/p>\n<p style=\"text-align: center;\"><b>Indon\u00e9sie<\/b><br \/>\nCompr\u00e9hension des interactions entre p\u00eache, esp\u00e8ces cibl\u00e9es et environnement<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/seapodym.groupcls.com\/project\/indeso-project\/\" target=\"_blank\" rel=\"noopener noreferrer\">Nous avons fourni un mod\u00e8le op\u00e9rationnel de la dynamique spatiale du thon ( listao, albacore et thon ob\u00e8se ) \u00e0 des fins de gestion, incluant les engins de p\u00eache et la capturabilit\u00e9.<\/a><\/p>\n<p>[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb1\/3&Prime;][vc_single_image image=\u00a0\u00bb9100&Prime; img_size=\u00a0\u00bb200&#215;200&Prime; alignment=\u00a0\u00bbcenter\u00a0\u00bb style=\u00a0\u00bbvc_box_outline\u00a0\u00bb][vc_column_text css=\u00a0\u00bb.vc_custom_1769702404533{padding-right: 1em !important;padding-left: 1em !important;}\u00a0\u00bb]<\/p>\n<p style=\"text-align: center;\"><b>Oc\u00e9an Indien<\/b><br \/>\nImpacts du changement climatique sur l&rsquo;espadon<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/seapodym.groupcls.com\/project\/indian-ocean-swordfish\/\" target=\"_blank\" rel=\"noopener noreferrer\">Les donn\u00e9es disponibles sur les captures par unit\u00e9 d&rsquo;effort (CPUE) provenant des p\u00eacheries de la zone d&rsquo;\u00e9tude ont \u00e9t\u00e9 utilis\u00e9es pour estimer les param\u00e8tres de capturabilit\u00e9 des p\u00eacheries pour la CTOI.<\/a><\/p>\n<p>[\/vc_column_text][\/vc_column_inner][vc_column_inner width=\u00a0\u00bb1\/3&Prime;][vc_single_image image=\u00a0\u00bb9106&Prime; img_size=\u00a0\u00bb200&#215;200&Prime; alignment=\u00a0\u00bbcenter\u00a0\u00bb style=\u00a0\u00bbvc_box_outline\u00a0\u00bb][vc_column_text css=\u00a0\u00bb.vc_custom_1769702422710{padding-right: 1em !important;padding-left: 1em !important;}\u00a0\u00bb]<\/p>\n<p style=\"text-align: center;\"><b>P\u00e9rou<\/b><br \/>\nEtude des effets des variations climatiques sur les sardines et anchois, ressources cl\u00e9s pour l\u2019\u00e9conomie locale<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/seapodym.groupcls.com\/project\/peru-ecosystem\/\" target=\"_blank\" rel=\"noopener noreferrer\">Avec le courant de Humboldt, ces ressources sont tr\u00e8s variables et ont des r\u00e9percussions sociales et \u00e9conomiques importantes. Nous avons fourni une \u00e9valuation des impacts pr\u00e9vus.<\/a><\/p>\n<p>[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row full_width=\u00a0\u00bbstretch_row\u00a0\u00bb css=\u00a0\u00bb.vc_custom_1769702616322{margin-bottom: -60px !important;padding-top: 60px !important;padding-bottom: 60px !important;background-color: #0F1F2D !important;}\u00a0\u00bb][vc_column][vc_column_text css=\u00a0\u00bb.vc_custom_1769702630615{padding-right: 100px !important;padding-left: 100px !important;}\u00a0\u00bb]<\/p>\n<h2 style=\"text-align: center; color: #ffffff;\">Un appui strat\u00e9gique pour une p\u00eache durable<\/h2>\n<p style=\"text-align: center; color: #ffffff;\">Les \u00e9tudes des \u00e9cosyst\u00e8mes marins de CLS ne sont pas r\u00e9serv\u00e9es aux experts : elles sont con\u00e7ues pour aider les d\u00e9cideurs \u00e0 agir, en conciliant : protection de l\u2019environnement, enjeux \u00e9conomiques et sociaux et respect des engagements internationaux.<\/p>\n<p style=\"text-align: center; color: #ffffff;\">En apportant une vision globale et \u00e0 long terme, CLS aide les administrations \u00e0 passer d\u2019une gestion r\u00e9active \u00e0 une gestion anticip\u00e9e et responsable des oc\u00e9ans.<\/p>\n<p>[\/vc_column_text][vc_btn title=\u00a0\u00bbContactez notre \u00e9quipe\u00a0\u00bb style=\u00a0\u00bbclassic\u00a0\u00bb color=\u00a0\u00bbprimary\u00a0\u00bb align=\u00a0\u00bbcenter\u00a0\u00bb css=\u00a0\u00bb\u00a0\u00bb link=\u00a0\u00bburl:https%3A%2F%2Ffisheries.groupcls.com%2Ffr%2Fcontact%2F|title:Contact|\u00a0\u00bb][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][vc_single_image image=\u00a0\u00bb8814&Prime; img_size=\u00a0\u00bb1200X250&Prime; alignment=\u00a0\u00bbcenter\u00a0\u00bb css=\u00a0\u00bb\u00a0\u00bb][vc_row_inner][vc_column_inner width=\u00a0\u00bb1\/2&Prime;][vc_custom_heading text=\u00a0\u00bbMieux comprendre l\u2019oc\u00e9an pour mieux g\u00e9rer les p\u00eaches\u00a0\u00bb font_container=\u00a0\u00bbtag:h2|text_align:center\u00a0\u00bb use_theme_fonts=\u00a0\u00bbyes\u00a0\u00bb css=\u00a0\u00bb.vc_custom_1623744922294{padding-bottom: 10px !important;}\u00a0\u00bb][vc_column_text] Les oc\u00e9ans sont au c\u0153ur de notre \u00e9quilibre alimentaire, \u00e9conomique et environnemental. Pourtant, les ressources marines subissent une pression croissante : intensification de la p\u00eache, changement climatique, d\u00e9gradation des habitats. Pour y faire face, les autorit\u00e9s<\/p>\n","protected":false},"author":13,"featured_media":0,"parent":5209,"menu_order":44,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-14091","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u00c9tudes des \u00e9cosyst\u00e8mes marins - CLS Fisheries<\/title>\n<meta name=\"description\" content=\"CLS fournit des \u00e9tudes des \u00e9cosyst\u00e8mes marins afin d&#039;aider \u00e0 g\u00e9rer avec pr\u00e9cision les ressources marines, les habitats et les esp\u00e8ces.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fisheries.groupcls.com\/fr\/administrations\/etudes-ecosystemes-marins\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u00c9tudes des \u00e9cosyst\u00e8mes marins - 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