{"id":4089,"date":"2017-06-02T11:55:10","date_gmt":"2017-06-02T09:55:10","guid":{"rendered":"https:\/\/www.pagesjaunesmonaco.com\/blog\/?p=4089"},"modified":"2017-06-02T11:57:42","modified_gmt":"2017-06-02T09:57:42","slug":"projet-dextension-mer-500-m%c2%b2-de-posidonies-transplantes","status":"publish","type":"post","link":"https:\/\/annuaire-monaco.mc\/news-monaco\/projet-dextension-mer-500-m%c2%b2-de-posidonies-transplantes\/","title":{"rendered":"Projet d’extension en mer : 500 m\u00b2 de posidonies transplant\u00e9s"},"content":{"rendered":"

Dans le cadre du projet d’extension en mer de Monaco, le Gouvernement Princier a lanc\u00e9 une op\u00e9ration in\u00e9dite et ambitieuse de transplantation de la posidonie. Une partie significative de cette esp\u00e8ce prot\u00e9g\u00e9e, impact\u00e9e par l\u2019emprise du terre-plein, a ainsi \u00e9t\u00e9 d\u00e9plac\u00e9e sur deux sites : au sein de la r\u00e9serve du Larvotto et au pied de la digue de Fontvieille.\u00a0<\/span><\/p>\n

Bouygues Travaux Publics, qui r\u00e9alise les travaux d\u2019infrastructure maritime, socle de l\u2019urbanisation en mer, en collaboration avec les soci\u00e9t\u00e9s Trasomar et Androm\u00e8de Oc\u00e9anologie, vient de terminer cette transplantation de 500 m\u00b2.\u00a0<\/span><\/p>\n

\"Posidonie

Posidonie au pied de la digue Fontvieille<\/p><\/div>\n

\"Posidonie

Posidonie transplant\u00e9e dans la r\u00e9serve du Larvotto<\/p><\/div>\n

Pour m\u00e9moire, la posidonie (Posidonia oceanica<\/i>) est une plante \u00e0 fleurs marine, end\u00e9mique et embl\u00e9matique de la M\u00e9diterran\u00e9e. Aujourd\u2019hui esp\u00e8ce prot\u00e9g\u00e9e, elle se d\u00e9veloppe sous forme d\u2019herbiers et constitue un \u00e9cosyst\u00e8me marin majeur abritant une biodiversit\u00e9 importante. Elle est \u00e9galement source d\u2019oxyg\u00e8ne et repr\u00e9sente un pi\u00e8ge pour le carbone.\u00a0<\/span><\/p>\n

Il n\u2019existe actuellement aucune m\u00e9thode \u00e9prouv\u00e9e permettant une telle transplantation. Aussi, une op\u00e9ration de recherche scientifique a \u00e9t\u00e9 men\u00e9e pour optimiser le d\u00e9placement de la posidonie. Adapt\u00e9 \u00e0 partir d\u2019une dessoucheuse d\u2019arbre, le pr\u00e9l\u00e8vement s’est fait via un outil de d\u00e9coupe. D\u00e9pos\u00e9e ensuite dans 637 paniers m\u00e9talliques recouverts de toile en fibres de coco biod\u00e9gradable, la posidonie a ainsi pu \u00eatre d\u00e9plac\u00e9e et r\u00e9implant\u00e9e.\u00a0<\/span><\/p>\n

Pierre Descamp, g\u00e9rant de la soci\u00e9t\u00e9 Androm\u00e8de Oc\u00e9anologie, intervient depuis plus de deux ans dans le projet. Il pr\u00e9cise : \u00ab R\u00e9implanter la posidonie dans la r\u00e9serve a \u00e9t\u00e9 assez simple : nous avons creus\u00e9 dans le s\u00e9diment plusieurs trous de la largeur de nos pr\u00e9l\u00e8vements et une fois la plante install\u00e9e, avons combl\u00e9 les interstices. Pour conserver sa structure caract\u00e9ristique en herbier, les paniers ont \u00e9t\u00e9 serr\u00e9s au maximum \u00bb.\u00a0<\/i><\/span><\/p>\n

A Fontvieille, la r\u00e9implantation s’est d\u00e9roul\u00e9e diff\u00e9remment. Des jardini\u00e8res ont \u00e9t\u00e9 install\u00e9es par 14m de profondeur pour accueillir les paniers. Ces derniers ont \u00e9t\u00e9 cal\u00e9s avec du s\u00e9diment afin que la plante puisse y vivre et se d\u00e9velopper.\u00a0<\/span><\/p>\n

Un suivi scientifique des transplantations sera r\u00e9alis\u00e9 pendant dix ans. Il permettra d’\u00e9tudier la dynamique de l\u2019herbier et de v\u00e9rifier si la greffe prend.\u00a0<\/span><\/p>\n

Marie-Pierre Gramaglia, Conseiller de Gouvernement-Ministre de l\u2019Equipement, de l\u2019Environnement et de l\u2019Urbanisme, pr\u00e9cise : \u00ab Apr\u00e8s le d\u00e9placement de 147 grandes nacres, depuis la zone de la future extension vers la r\u00e9serve du Larvotto, la transplantation de 500 m\u00b2 de posidonies est la seconde op\u00e9ration majeure des travaux environnementaux pr\u00e9paratoires du projet. Le suivi, sur 10 ans, permettra de s\u2019assurer de la r\u00e9ussite du d\u00e9placement de cette esp\u00e8ce prot\u00e9g\u00e9e et embl\u00e9matique \u00bb.\u00a0<\/i><\/span><\/p>\n

– – –\u00a0<\/span><\/p>\n

Pour plus d’informations, le lien vers la vid\u00e9o de ce processus innovant de transplantation : http:\/\/bit.ly\/2qAMLIQ<\/a><\/b><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"Dans le cadre du projet d’extension en mer de Monaco, le Gouvernement Princier a lanc\u00e9 une op\u00e9ration in\u00e9dite et ambitieuse de transplantation de la posidonie. Une partie significative de cette esp\u00e8ce prot\u00e9g\u00e9e, impact\u00e9e par l\u2019emprise du terre-plein, a ainsi \u00e9t\u00e9 d\u00e9plac\u00e9e sur deux sites : au sein de la r\u00e9serve du Larvotto et au pied […]","protected":false},"author":8,"featured_media":4091,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"gallery","meta":{"footnotes":""},"categories":[6,63],"tags":[2164,2161,2163,2162],"class_list":["post-4089","post","type-post","status-publish","format-gallery","has-post-thumbnail","hentry","category-monaco","category-projets-et-chantiers","tag-la-digue-de-fontvieille","tag-projet-dextension-en-mer","tag-reserve-du-larvotto","tag-transplantation-de-la-posidonie","post_format-post-format-gallery"],"yoast_head":"\nProjet d'extension en mer : 500 m\u00b2 de posidonies transplant\u00e9s<\/title>\n<meta name=\"description\" content=\"Dans le cadre du projet d'extension en mer, le Gouvernement Princier a lanc\u00e9 une op\u00e9ration in\u00e9dite et ambitieuse de transplantation de la posidonie.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/annuaire-monaco.mc\/news-monaco\/projet-dextension-mer-500-m\u00b2-de-posidonies-transplantes\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Projet d'extension en mer : 500 m\u00b2 de posidonies transplant\u00e9s\" \/>\n<meta property=\"og:description\" content=\"Dans le cadre du projet d'extension en mer, le Gouvernement Princier a lanc\u00e9 une op\u00e9ration in\u00e9dite et ambitieuse de transplantation de la posidonie.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/annuaire-monaco.mc\/news-monaco\/projet-dextension-mer-500-m\u00b2-de-posidonies-transplantes\/\" \/>\n<meta property=\"og:site_name\" content=\"Pages Jaunes Monaco - 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