{"id":4490,"date":"2006-12-19T23:39:43","date_gmt":"2006-12-19T23:39:43","guid":{"rendered":"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/2006\/12\/19\/la-vgtation-rem\/"},"modified":"2012-07-12T09:48:10","modified_gmt":"2012-07-12T09:48:10","slug":"la-vgtation-rem","status":"publish","type":"post","link":"https:\/\/blogs.thesocialmedia.com\/leblogenergie\/2006\/12\/19\/la-vgtation-rem\/","title":{"rendered":"La V\u00e9g\u00e9tation Reprend le Dessus"},"content":{"rendered":"<p><a href=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/photos_0291.jpg\"><img loading=\"lazy\" decoding=\"async\" height=\"187\" alt=\"Photos_029\" src=\"http:\/\/blogs.thesocialmedia.com\/leblogenergie\/files\/2012\/07\/photos_029.jpg\" width=\"250\"  \/><\/a>On nous dit que les stations de sport d&rsquo;hiver sont menac\u00e9es par le <a href=\"http:\/\/www.ladocumentationfrancaise.fr\/dossiers\/changement-climatique\/index.shtml\">r\u00e9chauffement climatique<\/a>. Un r\u00e9chauffement de 1, 2 ou 4 \u00b0 fait remonter l&rsquo;enneigement de 500, 400 ou 200 m\u00e9tres. Mais cela va entrainer aussi des changements d&rsquo;\u00e9co-syst\u00e8me. On peut voir sur cette photo qu&rsquo;il est en cours sur ce massif. Les conif\u00e9res (vert sombre) c\u00e9dent le pas au feuillu (vert clair). D&rsquo;ou cela vient il ? Ce massif est assez ancien (fin 19\u00b0 si\u00e9cle) et \u00e9tait jusqu&rsquo;aux d\u00e9but des ann\u00e9es 1980 enti\u00e9rement constitu\u00e9 de mani\u00e8re stable de<a href=\"http:\/\/arbres-et-forets.chez-alice.fr\/cartes\/cartestxt.htm\"> sapin.<\/a><\/p>\n<p>lLe climat y est froid, on est \u00e0 900 m\u00e9tres d&rsquo;altitude, le sol , plut\u00f4t pauvre, convient assez mal aux feuillus. je viens d&rsquo;y passer r\u00e9cemment et c&rsquo;est son&nbsp; changement d&rsquo;aspect qui m&rsquo;a frapp\u00e9. Il y a vingt ans, il \u00e9tait enti\u00e8rement vert fonc\u00e9. Les for\u00eats de <a href=\"http:\/\/www.plantes.ca\/arbres\/coniferes.html\">conif\u00e9res<\/a> stabilis\u00e9es ne se voient d\u00e9sormais qu&rsquo;\u00e0 environ 1000 m\u00e9tres. En dessous, ici et l\u00e0 ou totalement, les t\u00e2ches vert clair apparaissent, ou ont compl\u00e9tement d\u00e9vor\u00e9 le paysage. Le massif central \u00e9tait une r\u00e9gion de conif\u00e8re surtout, mais le plus frappant est pour les gens qui reviennent apr\u00e8s une longue absence. Il ne reconnaissent plus les paysages. Ils sont bien plus bois\u00e9s, les bois sont bien plus gros, et les conif\u00e8res meurent.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>On nous dit que les stations de sport d&rsquo;hiver sont menac\u00e9es par le r\u00e9chauffement climatique. Un r\u00e9chauffement de 1, 2 ou 4 \u00b0 fait remonter l&rsquo;enneigement de 500, 400 ou 200 m\u00e9tres. Mais cela va entrainer aussi des changements d&rsquo;\u00e9co-syst\u00e8me. On peut voir sur cette photo qu&rsquo;il est en cours sur ce massif. Les conif\u00e9res [&hellip;]<\/p>\n","protected":false},"author":198,"featured_media":4799,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[2154],"class_list":["post-4490","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-rechauffement-climatique","tag-conifere-massif-central-sapin-rechauffement-climatique"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>La V\u00e9g\u00e9tation Reprend le Dessus - leblogenergie.com<\/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:\/\/blogs.thesocialmedia.com\/leblogenergie\/2006\/12\/19\/la-vgtation-rem\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"La V\u00e9g\u00e9tation Reprend le Dessus - leblogenergie.com\" \/>\n<meta name=\"twitter:description\" content=\"On nous dit que les stations de sport d&rsquo;hiver sont menac\u00e9es par le r\u00e9chauffement climatique. Un r\u00e9chauffement de 1, 2 ou 4 \u00b0 fait remonter l&rsquo;enneigement de 500, 400 ou 200 m\u00e9tres. Mais cela va entrainer aussi des changements d&rsquo;\u00e9co-syst\u00e8me. On peut voir sur cette photo qu&rsquo;il est en cours sur ce massif. 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