{"id":2496,"date":"2026-10-08T16:00:14","date_gmt":"2026-10-08T16:00:14","guid":{"rendered":"https:\/\/energie-environnement.setec.fr\/?post_type=projet&#038;p=2496"},"modified":"2026-10-12T14:42:13","modified_gmt":"2026-10-12T14:42:13","slug":"identifier-les-sites-dun-futur-observatoire-des-forets-de-laminaires-en-mer-diroise","status":"publish","type":"projet","link":"https:\/\/energie-environnement.setec.fr\/en\/projets\/identifier-les-sites-dun-futur-observatoire-des-forets-de-laminaires-en-mer-diroise\/","title":{"rendered":"Identifying the sites of a future observatory for the forests of the Iroise Sea"},"content":{"rendered":"<section id=\"wp-block-setec-chapeau-carousel-6acffd5eaf6f2\" class=\"wp-block-setec-chapeau-carousel\">\n\t<div id=\"carousel-wp-block-setec-chapeau-carousel-6acffd5eaf6f2\" class=\"carousel slide h-100\" data-bs-ride=\"carousel\">\n\t\t<div class=\"carousel-inner h-100\">\n\t\t\t\t\t\t\t<div class=\"carousel-item active h-100\">\n\t\t\t\t\t<div class=\"carousel-slide-background py-3 py-md-4 py-lg-5 h-100\" style=\"background-image: url('https:\/\/energie-environnement.setec.fr\/wp-content\/uploads\/2026\/10\/OFB-REPERAGE-LAMINAIRE-1-scaled.webp');\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"carousel-slide-text my-5 my-md-0 py-5 py-md-3 py-lg-5 h-100 d-flex flex-column justify-content-end\">\n\t\t\t\t\t\t\t<div class=\"carousel-slide-content text-white\">\n                                                                            <h1 class=\"text-white text-pre-line\">Identifying the sites of a future observatory for the forests of the Iroise Sea<\/h1>\n                                    \n                                    \n                                    \n                                    \n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<\/div>\n\n\t\t\t<\/div>\n<\/section>\n\n\n<section class=\"wp-block-setec-main-content\">\n    <div class=\"main-content-inner has-padding-left has-padding-right\">\n        \n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading has-bleu-canard-setec-color has-text-color has-link-color wp-elements-1\"><strong>Client<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/ofb.gouv.fr\/\" data-type=\"link\" data-id=\"https:\/\/ofb.gouv.fr\/\" target=\"_blank\" rel=\"noreferrer noopener\">OFFICE FRANCAIS DE LA BIODIVERSITE<\/a><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading has-bleu-canard-setec-color has-text-color has-link-color wp-elements-2\"><strong>CALENDAR<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">2023-2025<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading has-bleu-canard-setec-color has-text-color has-link-color wp-elements-3\"><strong>LOCALISATION<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Brest, FRANCE<\/p>\n<\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading has-vert-setec-color has-text-color has-link-color wp-elements-4\"><strong>Context<\/strong><\/h3>\n\n\n\n<div class=\"wp-block-columns are-vertically-aligned-center is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p class=\"wp-block-paragraph\">La mer d\u2019Iroise abrite un des plus grands champs d\u2019algues d\u2019Europe, avec plus de 300 esp\u00e8ces d\u2019algues diff\u00e9rentes. Parmi celles-ci, les laminaires, grandes algues brunes r\u00e9parties en strates au sein des zones rocheuses propices peuvent former de v\u00e9ritables for\u00eats sous-marines.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00eame si la mer d\u2019Iroise reste aujourd\u2019hui encore assez stable gr\u00e2ce \u00e0 l\u2019impact physique du front thermique d\u2019Ouessant ; il est important, dans ce contexte de pression croissante li\u00e9es aux activit\u00e9s anthropiques (temp\u00e9rature, acidification, exploitation, pollution, etc\u2026) de se doter de moyens de surveillance pertinents et n\u00e9cessaires au suivi et \u00e0 la compr\u00e9hension de la trajectoire \u00e9volutive (r\u00e9gression, stabilisation, expansion).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u2019est dans ce contexte que s\u2019inscrit ce projet. L\u2019objectif de cette \u00e9tude est de poser les premi\u00e8res briques de ce qui sera demain un r\u00e9seau d\u2019observation et de suivi de cet habitat patrimonial au sein du Parc Marin de la Mer d\u2019Iroise.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"767\" src=\"https:\/\/energie-environnement.setec.fr\/wp-content\/uploads\/2026\/10\/OFB-REPERAGE-LAMINAIRE-2-1024x767.webp\" alt=\"\" class=\"wp-image-2471\" srcset=\"https:\/\/energie-environnement.setec.fr\/wp-content\/uploads\/2026\/10\/OFB-REPERAGE-LAMINAIRE-2-1024x767.webp 1024w, https:\/\/energie-environnement.setec.fr\/wp-content\/uploads\/2026\/10\/OFB-REPERAGE-LAMINAIRE-2-300x225.webp 300w, https:\/\/energie-environnement.setec.fr\/wp-content\/uploads\/2026\/10\/OFB-REPERAGE-LAMINAIRE-2-768x575.webp 768w, https:\/\/energie-environnement.setec.fr\/wp-content\/uploads\/2026\/10\/OFB-REPERAGE-LAMINAIRE-2-1536x1150.webp 1536w, https:\/\/energie-environnement.setec.fr\/wp-content\/uploads\/2026\/10\/OFB-REPERAGE-LAMINAIRE-2-2048x1533.webp 2048w, https:\/\/energie-environnement.setec.fr\/wp-content\/uploads\/2026\/10\/OFB-REPERAGE-LAMINAIRE-2-16x12.webp 16w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading has-bleu-fonc-setec-color has-text-color has-link-color wp-elements-5\"><strong>DETAILED MISSIONS<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The <a href=\"https:\/\/parc-marin-iroise.fr\/\" target=\"_blank\" rel=\"noreferrer noopener\">PNMI<\/a> a confi\u00e9 \u00e0 setec \u00e9nergie environnement une mission de rep\u00e9rage de sites afin de disposer d\u2019informations pour en s\u00e9lectionner une partie qui pourront int\u00e9grer un futur r\u00e9seau de surveillance au sein du p\u00e9rim\u00e8tre du parc.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019objectif de cette \u00e9tude \u00e9tait de rep\u00e9rer des sites pouvant faire l\u2019objet de suivis dans le cadre d\u2019un observatoire des laminaires en mer d\u2019Iroise. Ces sites devaient permettre d\u2019avoir une vision repr\u00e9sentative des champs de macro\u2011algues, en particulier du plateau mol\u00e9nais. Ils devaient aussi permettre de mesurer l\u2019\u00e9volution naturelle des peuplements de laminaires et d\u2019int\u00e9grer les effets de leur exploitation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ces sites ont permis d\u2019effectuer un suivi sur un gradient de profondeur allant au moins jusqu\u2019\u00e0 \u2013 13 m CM si possible, afin de permettre, dans le futur, l\u2019application du protocole \u00ab DCE2\u2011complet \u00bb sur une partie des sites retenus.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Acquisition des donn\u00e9es sur 30 sites en plong\u00e9e ;<\/li>\n\n\n\n<li>Bancarisation et analyse des donn\u00e9es ;<\/li>\n\n\n\n<li>Mise en perspective avec les donn\u00e9es disponibles via les r\u00e9seaux de surveillance (DCE, REBENT) ;<\/li>\n\n\n\n<li>Proposition de sites \u00e0 conserver en vue de la mise en place d\u2019un observatoire.<\/li>\n<\/ul>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n    <\/div>\n<\/section>\n\n\n\n<section class=\"wp-block-setec-section-text-columns\">\n    <div class=\"container p-0\">\n        <div class=\"row justify-content-center g-0\">\n\t\t                    <div class=\"wp-block-setec-section-text-columns-item col-lg-4 p-5 d-flex flex-column justify-content-start\">\n                        <div class=\"wp-block-setec-section-text-columns-item-title color-bleu-fonc\u00e9-setec\">\n                            Challenge                        <\/div>\n                        <div class=\"wp-block-setec-section-text-columns-item-text\">\n                            <p>Pr\u00e9parer la mise en place d\u2019un observatoire des grandes for\u00eats de laminaires en mer d\u2019Iroise en identifiant des sites de suivi repr\u00e9sentatifs et p\u00e9rennes et acqu\u00e9rir une connaissance homog\u00e8ne de ces habitats marins remarquables afin de mieux comprendre leur \u00e9volution dans le temps.<\/p>                        <\/div>\n                <\/div>\n\t\t                    <div class=\"wp-block-setec-section-text-columns-item col-lg-4 p-5 d-flex flex-column justify-content-start\">\n                        <div class=\"wp-block-setec-section-text-columns-item-title color-vert-setec\">\n                            Key figure                        <\/div>\n                        <div class=\"wp-block-setec-section-text-columns-item-text\">\n                            <ol><li data-list=\"bullet\"><span class=\"ql-ui\" contenteditable=\"false\"><\/span>30 sites \u00e9tudi\u00e9s<\/li><\/ol>                        <\/div>\n                <\/div>\n\t\t                    <div class=\"wp-block-setec-section-text-columns-item col-lg-4 p-5 d-flex flex-column justify-content-start\">\n                        <div class=\"wp-block-setec-section-text-columns-item-title color-bleu-canard-setec\">\n                            Expertise                        <\/div>\n                        <div class=\"wp-block-setec-section-text-columns-item-text\">\n                            <ol><li data-list=\"bullet\"><span class=\"ql-ui\" contenteditable=\"false\"><\/span>Habitats benthiques <\/li><li data-list=\"bullet\"><span class=\"ql-ui\" contenteditable=\"false\"><\/span>Marine biodiversity and ecology<\/li><\/ol>                        <\/div>\n                <\/div>\n\t\t            <\/div>\n    <\/div>\n<\/section>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<section class=\"wp-block-setec-main-content\">\n    <div class=\"main-content-inner has-padding-left has-padding-right\">\n        \n<div class=\"setec-button-wrapper d-flex justify-content-center align-items-center wp-block-setec-button\">\n\t<a class=\"btn btn-setec btn-primary\" href=\"https:\/\/energie-environnement.setec.fr\/en\/contact\/\" target=\"_blank\" rel=\"noopener noreferrer\">\n\t\tCONTACT OUR TEAMS\t<\/a>\n<\/div>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading has-vert-setec-color has-text-color has-link-color wp-elements-6\"><strong>Also worth discovering<\/strong><\/h3>\n\n\n<section id=\"wp-block-setec-card-carousel-6acffd5eb0d7d\" class=\"wp-block-setec-card-carousel\">\n                        <div class=\"card-carousel-desktop d-none d-md-block\">\n                        <div id=\"carousel-desktop-wp-block-setec-card-carousel-6acffd5eb0d7d\" class=\"carousel slide\" data-bs-ride=\"carousel\">\n                                <div class=\"carousel-inner\">\n                                                                                        <div class=\"carousel-item active\" data-bs-interval=\"10000\">\n                                                        <div class=\"row g-4\">\n                                                                                                                                        <div class=\"col-md-4\">\n                                                                                                                <a href=\"https:\/\/energie-environnement.setec.fr\/en\/projets\/elaborer-et-mettre-en-oeuvre-le-suivi-ecologique-dce-des-algues-et-du-benthos-a-malte\/\" class=\"card-carousel-link\">\n                                <div class=\"card-carousel-item card-carousel-item--linked card-carousel-item--overlay\">\n                                                                               <div class=\"card-carousel-image\">\n                               <img decoding=\"async\" src=\"https:\/\/energie-environnement.setec.fr\/wp-content\/uploads\/2026\/10\/EMDP-SURVEY-WFD-MALTE-1-scaled.webp\" alt=\"Elaborer et mettre en \u0153uvre le suivi \u00e9cologique DCE des algues et du benthos \u00e0 Malte\">\n                                                                      <\/div>\n                                                <div class=\"card-carousel-body\">\n                                                              <div class=\"h3 mb-2 card-carousel-title\">Elaborer et mettre en \u0153uvre le suivi \u00e9cologique DCE des algues et du benthos \u00e0 Malte<\/div>\n                                                                                      <\/div>\n                <\/div>\n                                <\/a>\n                                                                                                        <\/div>\n                                                                                                                                        <div class=\"col-md-4\">\n                                                                                                                <a href=\"https:\/\/energie-environnement.setec.fr\/en\/projets\/limiter-les-impacts-environnementaux-du-renouvellement-des-cables-sous-marins-sacoi3\/\" class=\"card-carousel-link\">\n                                <div class=\"card-carousel-item card-carousel-item--linked card-carousel-item--overlay\">\n                                                                               <div class=\"card-carousel-image\">\n                               <img decoding=\"async\" src=\"https:\/\/energie-environnement.setec.fr\/wp-content\/uploads\/2026\/10\/46501-EDF-SACOI3-CORSE-1-scaled.webp\" alt=\"Limiter les impacts environnementaux du renouvellement des c\u00e2bles sous-marins SACOI3\">\n                                                                      <\/div>\n                                                <div class=\"card-carousel-body\">\n                                                              <div class=\"h3 mb-2 card-carousel-title\">Limiting the environmental impacts of the renewal of the SACOI3 submarine cables<\/div>\n                                                                                      <\/div>\n                <\/div>\n                                <\/a>\n                                                                                                        <\/div>\n                                                                                                                        <\/div>\n                                                <\/div>\n                                                                        <\/div>\n                                                        <\/div>\n                <\/div>\n                                <div class=\"card-carousel-mobile d-block d-md-none\">\n                        <div id=\"carousel-mobile-wp-block-setec-card-carousel-6acffd5eb0d7d\" class=\"carousel slide\" data-bs-ride=\"carousel\">\n                                <div class=\"carousel-inner\">\n                                                                                        <div class=\"carousel-item active\" data-bs-interval=\"10000\">\n                                                        <div class=\"row g-4\">\n                                                                                                                                        <div class=\"col-12\">\n                                                                                                                <a href=\"https:\/\/energie-environnement.setec.fr\/en\/projets\/elaborer-et-mettre-en-oeuvre-le-suivi-ecologique-dce-des-algues-et-du-benthos-a-malte\/\" class=\"card-carousel-link\">\n                                <div class=\"card-carousel-item card-carousel-item--linked card-carousel-item--overlay\">\n                                                                               <div class=\"card-carousel-image\">\n                               <img decoding=\"async\" src=\"https:\/\/energie-environnement.setec.fr\/wp-content\/uploads\/2026\/10\/EMDP-SURVEY-WFD-MALTE-1-scaled.webp\" alt=\"Elaborer et mettre en \u0153uvre le suivi \u00e9cologique DCE des algues et du benthos \u00e0 Malte\">\n                                                                      <\/div>\n                                                <div class=\"card-carousel-body\">\n                                                              <div class=\"h3 mb-2 card-carousel-title\">Elaborer et mettre en \u0153uvre le suivi \u00e9cologique DCE des algues et du benthos \u00e0 Malte<\/div>\n                                                                                      <\/div>\n                <\/div>\n                                <\/a>\n                                                                                                        <\/div>\n                                                                                                                        <\/div>\n                                                <\/div>\n                                                                                        <div class=\"carousel-item\" data-bs-interval=\"10000\">\n                                                        <div class=\"row g-4\">\n                                                                                                                                        <div class=\"col-12\">\n                                                                                                                <a href=\"https:\/\/energie-environnement.setec.fr\/en\/projets\/limiter-les-impacts-environnementaux-du-renouvellement-des-cables-sous-marins-sacoi3\/\" class=\"card-carousel-link\">\n                                <div class=\"card-carousel-item card-carousel-item--linked card-carousel-item--overlay\">\n                                                                               <div class=\"card-carousel-image\">\n                               <img decoding=\"async\" src=\"https:\/\/energie-environnement.setec.fr\/wp-content\/uploads\/2026\/10\/46501-EDF-SACOI3-CORSE-1-scaled.webp\" alt=\"Limiter les impacts environnementaux du renouvellement des c\u00e2bles sous-marins SACOI3\">\n                                                                      <\/div>\n                                                <div class=\"card-carousel-body\">\n                                                              <div class=\"h3 mb-2 card-carousel-title\">Limiting the environmental impacts of the renewal of the SACOI3 submarine cables<\/div>\n                                                                                      <\/div>\n                <\/div>\n                                <\/a>\n                                                                                                        <\/div>\n                                                                                                                        <\/div>\n                                                <\/div>\n                                                                        <\/div>\n                                                                                                                <div class=\"card-carousel-controls\">\n                                                <div class=\"carousel-indicators\">\n                                                                                                                        <button type=\"button\" data-bs-target=\"#carousel-mobile-wp-block-setec-card-carousel-6acffd5eb0d7d\" data-bs-slide-to=\"0\" class=\"active\" aria-current=\"true\" aria-label=\"Slide 1\"><\/button>\n                                                                                                                        <button type=\"button\" data-bs-target=\"#carousel-mobile-wp-block-setec-card-carousel-6acffd5eb0d7d\" data-bs-slide-to=\"1\"  aria-label=\"Slide 2\"><\/button>\n                                                                                                        <\/div>\n                                        <\/div>\n                                                        <\/div>\n                <\/div>\n                <\/section>\n\n    <\/div>\n<\/section>","protected":false},"featured_media":0,"template":"","class_list":["post-2496","projet","type-projet","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Identifier les sites d\u2019un futur observatoire des for\u00eats de laminaires en mer d\u2019Iroise - Setec \u00e9nergie environnement<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/energie-environnement.setec.fr\/en\/projets\/identifier-les-sites-dun-futur-observatoire-des-forets-de-laminaires-en-mer-diroise\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Identifier les sites d\u2019un futur observatoire des for\u00eats de laminaires en mer d\u2019Iroise - Setec 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