{"id":53527,"date":"2019-12-04T00:00:00","date_gmt":"2019-12-03T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/podvodnaya-akustika-mozhet-pomoch-spasti-korallovye-rify"},"modified":"2020-02-18T14:01:26","modified_gmt":"2020-02-18T11:01:26","slug":"podvodnaya-akustika-mozhet-pomoch-spasti-korallovye-rify","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/podvodnaya-akustika-mozhet-pomoch-spasti-korallovye-rify","title":{"rendered":"L'acoustique sous-marine peut aider \u00e0 sauver les r\u00e9cifs coralliens.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>La d\u00e9gradation des r\u00e9cifs coralliens est un probl\u00e8me majeur auquel les oc\u00e9anographes sont confront\u00e9s actuellement. Un groupe international de chercheurs des universit\u00e9s britanniques d'Exeter et de Bristol, ainsi que de l'Universit\u00e9 James Cook en Australie et de l'Institut australien des sciences marines, affirme que l'\u00ab enrichissement acoustique \u00bb pourrait devenir un outil pr\u00e9cieux pour aider \u00e0 restaurer les r\u00e9cifs coralliens endommag\u00e9s.<\/p>\n<p><img decoding=\"async\" alt=\"L&#039;acoustique sous-marine peut aider \u00e0 sauver les r\u00e9cifs coralliens.\" src=\"\/wp-content\/uploads\/2019\/12\/8dfb4801a0a848e5932af6c5a585b630.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>En analysant le Great Barrier Reef en Australie, les scientifiques ont install\u00e9 des haut-parleurs sous-marins diffusant des enregistrements de r\u00e9cifs sains dans des zones o\u00f9 les coraux \u00e9taient morts et ont d\u00e9couvert deux fois plus de poissons arrivant \u2014 et restant \u2014 par rapport \u00e0 des zones similaires o\u00f9 aucun son n'\u00e9tait diffus\u00e9. \u00ab Les poissons sont essentiels pour que les r\u00e9cifs coralliens fonctionnent en tant qu'\u00e9cosyst\u00e8mes sains, a d\u00e9clar\u00e9 Tim Gordon de l'Universit\u00e9 d'Exeter. Augmenter la population de poissons de cette mani\u00e8re peut aider \u00e0 relancer les processus de r\u00e9g\u00e9n\u00e9ration naturelle, contrant les dommages que nous observons sur de nombreux r\u00e9cifs coralliens \u00e0 travers le monde. \u00bb<\/p>\n<p>Cette nouvelle m\u00e9thode fonctionne en diffusant des sons qui disparaissent lorsque les r\u00e9cifs se d\u00e9gradent. \u00ab Les r\u00e9cifs coralliens sains sont des endroits incroyablement bruyants : le cr\u00e9pitement des crevettes, le grondement et le grognement des poissons forment un paysage sonore biologique \u00e9clatant. Ces sons attirent les jeunes poissons lorsqu'ils cherchent un endroit o\u00f9 s'\u00e9tablir, a d\u00e9clar\u00e9 le professeur Steve Simpson de l'Universit\u00e9 d'Exeter. Les r\u00e9cifs deviennent \u00e9trangement silencieux lorsqu'ils se d\u00e9gradent, car les crevettes et les poissons disparaissent, mais gr\u00e2ce aux haut-parleurs qui restaurent ce paysage sonore perdu, nous pouvons \u00e0 nouveau attirer les jeunes poissons. \u00bb<\/p>\n<p>Le biologiste marin de l'Institut australien des sciences marines, le Dr Mark Meekan, a ajout\u00e9 : \u00ab Bien s\u00fbr, attirer des poissons vers un r\u00e9cif mort ne le ram\u00e8nera pas automatiquement \u00e0 la vie, mais la restauration est soutenue par les poissons qui nettoient le r\u00e9cif et cr\u00e9ent de l'espace pour la croissance des coraux. \u00bb<\/p>\n<p><center><\/center><\/p>\n<p>Une \u00e9tude a r\u00e9v\u00e9l\u00e9 que la transmission des sons d'un r\u00e9cif sain a doubl\u00e9 le nombre total de poissons captur\u00e9s dans les zones exp\u00e9rimentales de l'habitat du r\u00e9cif, ainsi qu'une augmentation de 50 % du nombre d'esp\u00e8ces pr\u00e9sentes. Cette diversit\u00e9 comprenait des esp\u00e8ces de tous les maillons de la cha\u00eene alimentaire \u2014 herbivores, d\u00e9tritivores, planctonophages et pr\u00e9dateurs ict\u00e9ophages. Diff\u00e9rentes groupes de poissons remplissent diff\u00e9rentes fonctions dans les r\u00e9cifs coralliens, ce qui signifie qu'une population de poissons dense et vari\u00e9e est un facteur crucial pour le maintien d'un \u00e9cosyst\u00e8me sain.<\/p>\n<p><img decoding=\"async\" alt=\"L&#039;acoustique sous-marine peut aider \u00e0 sauver les r\u00e9cifs coralliens.\" src=\"\/wp-content\/uploads\/2019\/12\/4d1045e82e18f8db21b8e01776aca9a4.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>Le professeur Andy Radford de l'universit\u00e9 de Bristol a d\u00e9clar\u00e9 : \u00ab L'enrichissement acoustique est une m\u00e9thode de gestion prometteuse \u00e0 l'\u00e9chelle locale. Coupl\u00e9 avec la restauration des habitats et d'autres mesures de conservation, la reconstitution des communaut\u00e9s de poissons de cette mani\u00e8re peut acc\u00e9l\u00e9rer la revitalisation des \u00e9cosyst\u00e8mes. Cependant, nous devons encore nous attaquer \u00e0 de nombreuses autres menaces, notamment le changement climatique, la surp\u00eache et la pollution de l'eau, pour prot\u00e9ger ces \u00e9cosyst\u00e8mes fragiles. \u00bb<\/p>\n<p>M. Gordon a ajout\u00e9 : \u00ab Bien que l'attraction de davantage de poissons ne sauve pas les r\u00e9cifs coralliens \u00e0 elle seule, de nouvelles m\u00e9thodes comme celle-ci nous offrent plus d'outils dans la lutte pour pr\u00e9server ces \u00e9cosyst\u00e8mes pr\u00e9cieux et vuln\u00e9rables. Des avanc\u00e9es significatives \u00e0 tous les niveaux sont n\u00e9cessaires, des innovations en mati\u00e8re de gestion locale aux actions politiques internationales, pour garantir un avenir meilleur pour les r\u00e9cifs du monde entier. \u00bb<\/p>\n<p><center><\/p>\n<p><\/center><\/p>\n<p>\t\t\t\t<center><br \/>\n\t\t\t\t\t\t\t\t<\/center><br \/>Source : <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/3dnews.ru\/998807\">3dnews.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0413\u0438\u0431\u0435\u043b\u044c \u043a\u043e\u0440\u0430\u043b\u043b\u043e\u0432\u044b\u0445 \u0440\u0438\u0444\u043e\u0432 &mdash; \u043e\u0433\u0440\u043e\u043c\u043d\u0430\u044f \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0430, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u0441\u0442\u043e\u0438\u0442 \u0441\u0435\u0439\u0447\u0430\u0441 \u043f\u0435\u0440\u0435\u0434 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\u043d\u0430\u0443\u043a \u0443\u0442\u0432\u0435\u0440\u0436\u0434\u0430\u044e\u0442, \u0447\u0442\u043e &laquo;\u0430\u043a\u0443\u0441\u0442\u0438\u0447\u0435\u0441\u043a\u043e\u0435 \u043e\u0431\u043e\u0433\u0430\u0449\u0435\u043d\u0438\u0435&raquo; \u043c\u043e\u0433\u043b\u043e \u0431\u044b \u0441\u0442\u0430\u0442\u044c \u0446\u0435\u043d\u043d\u044b\u043c \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u043e\u043c, \u043f\u043e\u043c\u043e\u0433\u0430\u044e\u0449\u0438\u043c \u0432\u043e\u0441\u0441\u0442\u0430\u043d\u043e\u0432\u0438\u0442\u044c \u043f\u043e\u0432\u0440\u0435\u0436\u0434\u0451\u043d\u043d\u044b\u0435 \u043a\u043e\u0440\u0430\u043b\u043b\u043e\u0432\u044b\u0435 \u0440\u0438\u0444\u044b. \u0420\u0430\u0431\u043e\u0442\u0430\u044f \u043d\u0430\u0434 \u0430\u043d\u0430\u043b\u0438\u0437\u043e\u043c \u0433\u0438\u0431\u043d\u0443\u0449\u0435\u0433\u043e \u0411\u043e\u043b\u044c\u0448\u043e\u0433\u043e \u0431\u0430\u0440\u044c\u0435\u0440\u043d\u043e\u0433\u043e \u0440\u0438\u0444\u0430 \u0432 \u0410\u0432\u0441\u0442\u0440\u0430\u043b\u0438\u0438, \u0443\u0447\u0451\u043d\u044b\u0435 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-53527","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0413\u0438\u0431\u0435\u043b\u044c \u043a\u043e\u0440\u0430\u043b\u043b\u043e\u0432\u044b\u0445 \u0440\u0438\u0444\u043e\u0432 \u2014 \u043e\u0433\u0440\u043e\u043c\u043d\u0430\u044f \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0430, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u0441\u0442\u043e\u0438\u0442 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