{"id":25199,"date":"2025-11-10T15:51:38","date_gmt":"2025-11-10T14:51:38","guid":{"rendered":"https:\/\/www.yellowscan.com\/knowledge\/cartographie-des-ecosystemes-dherbiers-marins-en-norvege-avec-le-yellowscan-navigator-lidar\/"},"modified":"2025-11-10T15:52:32","modified_gmt":"2025-11-10T14:52:32","slug":"mapping-seagrass-ecosystems-in-norway-with-the-yellowscan-navigator-lidar","status":"publish","type":"ys_knowledge","link":"https:\/\/www.yellowscan.com\/fr\/knowledge\/mapping-seagrass-ecosystems-in-norway-with-the-yellowscan-navigator-lidar\/","title":{"rendered":"Cartographie des \u00e9cosyst\u00e8mes d&rsquo;herbiers marins en Norv\u00e8ge avec le YellowScan Navigator LiDAR"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"25199\" class=\"elementor elementor-25199 elementor-25155\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-465b21c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"465b21c\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c237ead\" data-id=\"c237ead\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2984d5f elementor-widget elementor-widget-text-editor\" data-id=\"2984d5f\" 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<h2 class=\"h3\">D\u00e9fi<\/h2><p>L&rsquo;Institut norv\u00e9gien de recherche sur l&rsquo;eau (NIVA) est le principal partenaire de SeaBee, l&rsquo;infrastructure norv\u00e9gienne pour la recherche, la cartographie et la surveillance par drone dans la zone c\u00f4ti\u00e8re. Dans le cadre de cette initiative, le NIVA a voulu \u00e9tudier les \u00e9cosyst\u00e8mes d&rsquo;herbiers marins, qui capturent et stockent de grandes quantit\u00e9s de CO\u2082. L&rsquo;objectif \u00e9tait d&rsquo;\u00e9tudier la quantit\u00e9 de carbone stock\u00e9e et de mieux comprendre les effets du climat et de l&rsquo;activit\u00e9 humaine sur ces habitats c\u00f4tiers submerg\u00e9s essentiels.  <\/p><p>Les m\u00e9thodes de surveillance traditionnelles n&rsquo;ont pas la r\u00e9solution n\u00e9cessaire pour les eaux c\u00f4ti\u00e8res dynamiques et peu profondes. Pour rem\u00e9dier \u00e0 cette situation, NIVA a entrepris de cr\u00e9er un mod\u00e8le tridimensionnel d&rsquo;un herbier submerg\u00e9 \u00e0 l&rsquo;aide d&rsquo;un <a href=\"https:\/\/www.yellowscan.com\/fr\/industries\/bathymetry\/\" target=\"_blank\" rel=\"noopener\">LiDAR topo-bathym\u00e9trique<\/a>, afin de quantifier le volume de l&rsquo;habitat de l&rsquo;herbier et d&rsquo;estimer le carbone stock\u00e9 dans la biomasse a\u00e9rienne (feuilles). <\/p><p>En tant qu&rsquo;institut de recherche, NIVA avait \u00e9galement besoin d&rsquo;une solution accessible et facile \u00e0 utiliser, fournissant du mat\u00e9riel et des logiciels robustes pouvant \u00eatre utilis\u00e9s par des scientifiques et des techniciens n&rsquo;ayant pas de formation sp\u00e9cialis\u00e9e en LiDAR.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3dabca3a el-section-img-x1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3dabca3a\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-380a1abd\" data-id=\"380a1abd\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-71d00a0e elementor-widget elementor-widget-image\" data-id=\"71d00a0e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.yellowscan.com\/wp-content\/uploads\/2025\/11\/2-2-1024x576.jpg\" class=\"attachment-large size-large wp-image-25165\" alt=\"Photos from field deployment of Navigator, provided by Robert N\u00f8ddebo Poulsen.\" srcset=\"https:\/\/www.yellowscan.com\/wp-content\/uploads\/2025\/11\/2-2-1024x576.jpg 1024w, https:\/\/www.yellowscan.com\/wp-content\/uploads\/2025\/11\/2-2-300x169.jpg 300w, https:\/\/www.yellowscan.com\/wp-content\/uploads\/2025\/11\/2-2-768x432.jpg 768w, https:\/\/www.yellowscan.com\/wp-content\/uploads\/2025\/11\/2-2-1536x864.jpg 1536w, https:\/\/www.yellowscan.com\/wp-content\/uploads\/2025\/11\/2-2-2048x1152.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\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-3fb7e8e3 el-img-caption elementor-widget elementor-widget-text-editor\" data-id=\"3fb7e8e3\" 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 style=\"text-align: center;\">Photos du d\u00e9ploiement de Navigator sur le terrain, fournies par Robert N\u00f8ddebo Poulsen.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0b1f53f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0b1f53f\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-956604d\" data-id=\"956604d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a333c69 elementor-widget elementor-widget-text-editor\" data-id=\"a333c69\" 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<h2 class=\"h3\">Solution<\/h2><p>Pour ce faire, NIVA a d\u00e9ploy\u00e9 le YellowScan Navigator, un syst\u00e8me LiDAR topo-bathym\u00e9trique mont\u00e9 sur drone, associ\u00e9 \u00e0 un drone Hexadrone Tundra 2 \u00e9quip\u00e9 de bras rotatifs d&rsquo;endurance. Le Navigator a \u00e9t\u00e9 compl\u00e9t\u00e9 par les modules CloudStation Colorization et Terrain Classification, permettant un traitement intuitif des donn\u00e9es et une s\u00e9paration pr\u00e9cise de la v\u00e9g\u00e9tation et du fond marin. <\/p><p>Le syst\u00e8me s&rsquo;est av\u00e9r\u00e9 accessible et facile \u00e0 utiliser pour l&rsquo;\u00e9quipe de scientifiques et de techniciens, tandis que l&rsquo;assistance de YellowScan a fourni un retour d&rsquo;information opportun sur les r\u00e9glages des instruments et le d\u00e9pannage au cours de la campagne.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-16dfbe9a el-section-img-x1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"16dfbe9a\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-79f319ff\" data-id=\"79f319ff\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2df0c088 elementor-widget elementor-widget-image\" data-id=\"2df0c088\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"573\" src=\"https:\/\/www.yellowscan.com\/wp-content\/uploads\/2025\/11\/3-1-1024x573.jpg\" class=\"attachment-large size-large wp-image-25170\" alt=\"Screen captures of the point cloud at the study area.\" srcset=\"https:\/\/www.yellowscan.com\/wp-content\/uploads\/2025\/11\/3-1-1024x573.jpg 1024w, https:\/\/www.yellowscan.com\/wp-content\/uploads\/2025\/11\/3-1-300x168.jpg 300w, https:\/\/www.yellowscan.com\/wp-content\/uploads\/2025\/11\/3-1-768x430.jpg 768w, https:\/\/www.yellowscan.com\/wp-content\/uploads\/2025\/11\/3-1.jpg 1177w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\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-31ccad77 el-img-caption elementor-widget elementor-widget-text-editor\" data-id=\"31ccad77\" 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 style=\"text-align: center;\">Captures d&rsquo;\u00e9cran du nuage de points dans la zone d&rsquo;\u00e9tude.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9132383 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9132383\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-0e4a92f\" data-id=\"0e4a92f\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1dae786 elementor-widget elementor-widget-text-editor\" data-id=\"1dae786\" 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<h2 class=\"h3\">Param\u00e8tres de la mission<\/h2><p>Taille de l&rsquo;enqu\u00eate : 0,09 km\u00b2 &#8211; 12,64 millions de points (50 m d&rsquo;altitude) ; 0,05 km\u00b2 &#8211; 12,65 millions de points (25 m d&rsquo;altitude)<\/p><ul><li><strong>Vols :<\/strong> 2 au total<\/li><li><strong>Dur\u00e9e de vol :<\/strong> 24 min (50 m) | 22 min (25 m)<\/li><li><strong>Altitude et vitesse de vol :<\/strong> 25 m et 50 m | 5 m\/s<\/li><li><strong>\u00c9quipement :<\/strong><ul><li><a href=\"\/products\/navigator\">YellowScan Navigator<\/a> + module cam\u00e9ra<\/li><li>Drone Tundra 2 (Hexadrone, France)<\/li><li><a href=\"https:\/\/www.yellowscan.com\/fr\/produits\/cloudstation\/\">Colorisation et classification du terrain dans CloudStation<\/a> <\/li><li>CloudCompare (pour l&rsquo;inspection\/nettoyage manuel)<\/li><\/ul><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-21a84760 el-section-full el-section-img-x2 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"21a84760\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-58271fb4\" data-id=\"58271fb4\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4e1335f3 elementor-widget elementor-widget-image\" data-id=\"4e1335f3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"468\" src=\"https:\/\/www.yellowscan.com\/wp-content\/uploads\/2025\/11\/4-1-1024x468.jpg\" class=\"attachment-large size-large wp-image-25175\" alt=\"Screen captures of the point clouds at the study area.\" srcset=\"https:\/\/www.yellowscan.com\/wp-content\/uploads\/2025\/11\/4-1-1024x468.jpg 1024w, https:\/\/www.yellowscan.com\/wp-content\/uploads\/2025\/11\/4-1-300x137.jpg 300w, https:\/\/www.yellowscan.com\/wp-content\/uploads\/2025\/11\/4-1-768x351.jpg 768w, https:\/\/www.yellowscan.com\/wp-content\/uploads\/2025\/11\/4-1-1536x701.jpg 1536w, https:\/\/www.yellowscan.com\/wp-content\/uploads\/2025\/11\/4-1-2048x935.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\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-69f9f6ed el-img-caption elementor-widget elementor-widget-text-editor\" data-id=\"69f9f6ed\" 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 style=\"text-align: center;\">Capture d&rsquo;\u00e9cran des nuages de points dans la zone d&rsquo;\u00e9tude.  <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-444c501f\" data-id=\"444c501f\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-18bb0542 elementor-widget elementor-widget-image\" data-id=\"18bb0542\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"437\" src=\"https:\/\/www.yellowscan.com\/wp-content\/uploads\/2025\/11\/5-1-1024x437.png\" class=\"attachment-large size-large wp-image-25180\" alt=\"Screen captures of the point cloud at the study area\" srcset=\"https:\/\/www.yellowscan.com\/wp-content\/uploads\/2025\/11\/5-1-1024x437.png 1024w, https:\/\/www.yellowscan.com\/wp-content\/uploads\/2025\/11\/5-1-300x128.png 300w, https:\/\/www.yellowscan.com\/wp-content\/uploads\/2025\/11\/5-1-768x328.png 768w, https:\/\/www.yellowscan.com\/wp-content\/uploads\/2025\/11\/5-1-1536x656.png 1536w, https:\/\/www.yellowscan.com\/wp-content\/uploads\/2025\/11\/5-1-2048x875.png 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\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-598e58ac el-img-caption elementor-widget elementor-widget-text-editor\" data-id=\"598e58ac\" 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 style=\"text-align: center;\">Capture d&rsquo;\u00e9cran des nuages de points dans la zone d&rsquo;\u00e9tude.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-fef45c1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"fef45c1\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-53fe0eb\" data-id=\"53fe0eb\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4e71671 elementor-widget elementor-widget-text-editor\" data-id=\"4e71671\" 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<h2 class=\"h3\">R\u00e9sultats<\/h2><p>Le <a href=\"\/products\/navigator\">YellowScan Navigator<\/a> a fourni des densit\u00e9s de points de 70 pts\/m\u00b2 \u00e0 50 m AGL et de 125 pts\/m\u00b2 \u00e0 25 m AGL, avec des pr\u00e9cisions horizontales et verticales comprises entre 0,01 et 0,015 m en fonction de la hauteur de vol.<\/p><p>En utilisant la fonction de classification des terrains du <a href=\"https:\/\/www.yellowscan.com\/fr\/produits\/cloudstation\/\">logiciel YellowScan CloudStation<\/a>, le nuage de points brut a \u00e9t\u00e9 s\u00e9par\u00e9 en terre, surface de l&rsquo;eau, bruit de la colonne d&rsquo;eau et fond marin. Apr\u00e8s un nettoyage manuel, seuls les points du fond marin ont \u00e9t\u00e9 conserv\u00e9s et affin\u00e9s \u00e0 l&rsquo;aide d&rsquo;un mod\u00e8le Random Forest, o\u00f9 l&rsquo;intensit\u00e9 des points est la variable la plus importante, afin de distinguer la v\u00e9g\u00e9tation du v\u00e9ritable fond marin (sable et roche). <\/p><p>Ce processus a permis de cr\u00e9er des mod\u00e8les num\u00e9riques de surface (MNS) \u00e0 haute r\u00e9solution du couvert v\u00e9g\u00e9tal et des mod\u00e8les num\u00e9riques de terrain (MNT) du fond marin, tous deux \u00e0 une r\u00e9solution de 10 cm. La soustraction du MNT du MNS a produit les premiers mod\u00e8les de hauteur de canop\u00e9e des herbiers submerg\u00e9s \u00e0 ce niveau de d\u00e9tail, ce qui a permis \u00e0 NIVA de quantifier le volume de l&rsquo;habitat et d&rsquo;estimer la capture du carbone dans la biomasse a\u00e9rienne. <\/p><p>Sur le plan scientifique, le Navigator a fourni des nuages de points d&rsquo;une densit\u00e9 sup\u00e9rieure d&rsquo;un ordre de grandeur \u00e0 celle des relev\u00e9s LiDAR a\u00e9roport\u00e9s, permettant une mod\u00e9lisation 3D sans pr\u00e9c\u00e9dent de la v\u00e9g\u00e9tation submerg\u00e9e. Le syst\u00e8me s&rsquo;est av\u00e9r\u00e9 pr\u00e9cis, reproductible, rentable et d&rsquo;utilisation intuitive, tandis que les outils de classification et de correction d&rsquo;intensit\u00e9 de CloudStation ont consid\u00e9rablement acc\u00e9l\u00e9r\u00e9 le traitement. Compar\u00e9 au LiDAR a\u00e9roport\u00e9, le Navigator embarqu\u00e9 sur drone a permis d&rsquo;effectuer des relev\u00e9s non seulement moins co\u00fbteux et plus s\u00fbrs, mais aussi plus facilement reproductibles pour les futures campagnes de surveillance de l&rsquo;habitat en eaux peu profondes.  <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-78f4cc46 elm-testimonial elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"78f4cc46\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-67c5a5c5\" data-id=\"67c5a5c5\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-50421cdf elm-testimonial__text elementor-widget elementor-widget-text-editor\" data-id=\"50421cdf\" 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>Le syst\u00e8me LiDAR YellowScan Navigator semble id\u00e9al pour les chercheurs et les gestionnaires de ressources naturelles, avec un traitement intuitif et rapide des donn\u00e9es de nuages de points de haute qualit\u00e9. Ce syst\u00e8me repr\u00e9sente la prochaine \u00e9tape pour la cartographie des habitats en eaux peu profondes, facilitant des r\u00e9sultats rentables, reproductibles et \u00e0 haute r\u00e9solution par rapport aux m\u00e9thodes traditionnelles d&rsquo;arpentage. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-7014525 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7014525\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-65645ed6\" data-id=\"65645ed6\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-390aa583 elm-testimonial__img elementor-widget elementor-widget-image\" data-id=\"390aa583\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"512\" height=\"512\" src=\"https:\/\/www.yellowscan.com\/wp-content\/uploads\/2025\/11\/Charles-Lavin.jpg\" class=\"attachment-large size-large wp-image-25190\" alt=\"Charles P.Lavin, PhD, researcher at the Norwegian Institute for Water Research (NIVA) &amp; SeaBee\" srcset=\"https:\/\/www.yellowscan.com\/wp-content\/uploads\/2025\/11\/Charles-Lavin.jpg 512w, https:\/\/www.yellowscan.com\/wp-content\/uploads\/2025\/11\/Charles-Lavin-300x300.jpg 300w, https:\/\/www.yellowscan.com\/wp-content\/uploads\/2025\/11\/Charles-Lavin-150x150.jpg 150w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-inner-column elementor-element elementor-element-6daa6c24\" data-id=\"6daa6c24\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3866c4a2 elementor-widget elementor-widget-text-editor\" data-id=\"3866c4a2\" 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<strong><span class=\"elm-testimonials__name\">Charles P. Lavin<\/span><\/strong>\n\n<span class=\"elm-testimonials__role\"><em><strong>PhD, Chercheur<\/strong> &#8211; Institut norv\u00e9gien de recherche sur l&rsquo;eau (NIVA) &amp; SeaBee<\/em>\n<\/span>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5a9d4139 el-section-img-x1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5a9d4139\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-471852ac\" data-id=\"471852ac\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5ff96d5e elementor-widget elementor-widget-image\" data-id=\"5ff96d5e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"607\" src=\"https:\/\/www.yellowscan.com\/wp-content\/uploads\/2025\/11\/6-1-1024x607.png\" class=\"attachment-large size-large wp-image-25185\" alt=\"Canopy height model imposed over an RGB drone image of the study site, including the surveyed eelgrass bed.\" srcset=\"https:\/\/www.yellowscan.com\/wp-content\/uploads\/2025\/11\/6-1-1024x607.png 1024w, https:\/\/www.yellowscan.com\/wp-content\/uploads\/2025\/11\/6-1-300x178.png 300w, https:\/\/www.yellowscan.com\/wp-content\/uploads\/2025\/11\/6-1-768x455.png 768w, https:\/\/www.yellowscan.com\/wp-content\/uploads\/2025\/11\/6-1.png 1389w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\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-35fa0e41 el-img-caption elementor-widget elementor-widget-text-editor\" data-id=\"35fa0e41\" 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 style=\"text-align: center;\">Mod\u00e8le de hauteur de la canop\u00e9e impos\u00e9 sur une image de drone RVB du site d&rsquo;\u00e9tude, y compris l&rsquo;herbier de zost\u00e8re \u00e9tudi\u00e9.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"featured_media":25160,"menu_order":20,"template":"","meta":{"_acf_changed":false,"content-type":""},"categories":[88],"class_list":["post-25199","ys_knowledge","type-ys_knowledge","status-publish","has-post-thumbnail","hentry","category-success-story"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - 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YellowScan\" \/>\n<meta property=\"og:description\" content=\"D\u00e9couvrez comment NIVA a utilis\u00e9 le YellowScan Navigator pour cr\u00e9er des mod\u00e8les de canop\u00e9e en 3D d&#039;herbiers marins submerg\u00e9s, quantifiant ainsi le stockage de carbone gr\u00e2ce \u00e0 un LiDAR \u00e0 haute r\u00e9solution.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.yellowscan.com\/fr\/knowledge\/mapping-seagrass-ecosystems-in-norway-with-the-yellowscan-navigator-lidar\/\" \/>\n<meta property=\"og:site_name\" content=\"YellowScan\" \/>\n<meta property=\"article:modified_time\" content=\"2025-11-10T14:52:32+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.yellowscan.com\/wp-content\/uploads\/2025\/11\/ys_website_banner_knowledge_20251007.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1150\" \/>\n\t<meta property=\"og:image:height\" content=\"600\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.yellowscan.com\\\/fr\\\/knowledge\\\/mapping-seagrass-ecosystems-in-norway-with-the-yellowscan-navigator-lidar\\\/\",\"url\":\"https:\\\/\\\/www.yellowscan.com\\\/fr\\\/knowledge\\\/mapping-seagrass-ecosystems-in-norway-with-the-yellowscan-navigator-lidar\\\/\",\"name\":\"Cartographie des \u00e9cosyst\u00e8mes d'herbiers marins en Norv\u00e8ge avec le YellowScan Navigator LiDAR - 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