{"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-6aea8c4fb024e\" class=\"wp-block-setec-chapeau-carousel\">\n\t<div id=\"carousel-wp-block-setec-chapeau-carousel-6aea8c4fb024e\" 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\">FRANCE OFFICE FOR BIODIVERSITY<\/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\">The Iroise Sea is home to one of the largest seaweed beds in Europe, with more than 300 different species of algae. Among these, the laminarians, large brown algae that are distributed in layers within the rocky areas that are favorable, can form veritable underwater forests.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Although the Iroise Sea remains fairly stable today thanks to the physical impact of the Ouessant thermal front; it is important, in this context of increasing pressure linked to anthropogenic activities (temperature, acidification, exploitation, pollution, etc.), to equip oneself with relevant and necessary monitoring means to follow and understand the evolutionary trajectory (regression, stabilization, expansion).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It is in this context that this project is being carried out. The objective of this study is to lay the foundations for what will one day become a network for observing and monitoring this heritage habitat within the Marine Park of the Iroise Sea.<\/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> It entrusted setec \u00e9nergie environnement with the task of identifying sites in order to obtain information to select a portion of them that can be integrated into a future monitoring network within the park\u2019s perimeter.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The objective of this study was to identify sites that could be subject to monitoring as part of an observatory for the laminarians in the Iroise Sea. These sites were intended to provide a representative view of the macroalgae fields, particularly the mole plate. They were also intended to measure the natural evolution of the laminarian populations and to integrate the effects of their exploitation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">These sites have allowed for monitoring over a depth gradient of at least \u201313 m CM if possible, in order to enable, in the future, the application of the \u00abDCE2\u2011complete\u00bb protocol to part of the selected sites.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Data acquisition from 30 diving sites;<\/li>\n\n\n\n<li>Banking and data analysis;<\/li>\n\n\n\n<li>Compared with the data available through surveillance networks (DCE, REBENT);<\/li>\n\n\n\n<li>Proposal of sites to be preserved for the establishment of an observatory.<\/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>Prepare the establishment of an observatory of the large forests of laminaria in the Iroise Sea by identifying representative and long-lasting monitoring sites and acquiring a homogeneous knowledge of these remarkable marine habitats in order to better understand their evolution over time.<\/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 studied<\/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>Benthic habitats <\/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-6aea8c4fb17a2\" 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-6aea8c4fb17a2\" 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\">Develop and implement the ecological monitoring DCE of algae and benthic organisms in Malta<\/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                                                                         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                                     <div class=\"h3 mb-2 card-carousel-title\">Develop and implement the ecological monitoring DCE of algae and benthic organisms in Malta<\/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                                                                                                                                        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<\/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 v28.8 - 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 \u00e9nergie 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