{"id":34129,"date":"2021-09-10T11:15:52","date_gmt":"2021-09-10T09:15:52","guid":{"rendered":"https:\/\/foretnature.be\/resume-foret-mail\/le-phenomene-de-dette-climatique-inquiete\/"},"modified":"2021-09-10T11:15:52","modified_gmt":"2021-09-10T09:15:52","slug":"le-phenomene-de-dette-climatique-inquiete","status":"publish","type":"resume-foret-mail","link":"https:\/\/foretnature.be\/en\/resume-foret-mail\/le-phenomene-de-dette-climatique-inquiete\/","title":{"rendered":"Le ph\u00e9nom\u00e8ne de \u00ab dette climatique \u00bb\u00a0inqui\u00e8te"},"content":{"rendered":"

En 20 ans, le r\u00e9chauffement climatique a induit une augmentation de 1\u00a0\u00b0C des temp\u00e9ratures en France. Pour s\u2019adapter, les animaux et les plantes doivent migrer vers le nord pour y trouver des temp\u00e9ratures qui leurs conviennent mieux.
\nSelon une \u00e9tude publi\u00e9e en 2011, Romain Bertrand et ses coll\u00e8gues ont observ\u00e9 que certaines plantes comme la Jacinthe des bois, adapt\u00e9es \u00e0 des conditions \u00e9cologiques plus froides n\u2019ont pas encore entam\u00e9 de migration ou d\u2019agrandissement de leur aire de r\u00e9partition \u00e9cologique. Cette \u00ab dette climatique \u00bb, exprim\u00e9e par le retard que prennent certaines esp\u00e8ces pour migrer vers le nord pourrait aboutir, \u00e0 terme, \u00e0 une extinction locale puis globale.
\n\u00ab\u00a0Jusqu\u2019ici, les plantes r\u00e9sistent mieux qu\u2019elles ne migrent\u00a0\u00bb. C\u2019est pour l\u2019instant plut\u00f4t b\u00e9n\u00e9fique pour ces plantes aux capacit\u00e9s adaptatives \u00e9tonnantes. Mais, alors qu\u2019on pr\u00e9voit une acc\u00e9l\u00e9ration du r\u00e9chauffement climatique, cette aptitude pourrait paradoxalement accentuer ce ph\u00e9nom\u00e8ne de \u00ab dette climatique \u00bb et signer l\u2019arr\u00eat de mort de ces esp\u00e8ces.
\nL\u2019\u00e9quipe a essay\u00e9 d\u2019identifier des mesures permettant de freiner ce ph\u00e9nom\u00e8ne mais des \u00e9tudes suppl\u00e9mentaires sont n\u00e9cessaires. Ils ont d\u2019ores et d\u00e9j\u00e0 mis en \u00e9vidence que certaines activit\u00e9s humaines ont un impact n\u00e9gatif, comme les coupes en for\u00eat qui induisent un plus grand ensoleillement du sous-bois augmentant ainsi les temp\u00e9ratures locales.
\nK. Bettayeb (2016).\u00a0Les for\u00eats \u00e0 la tra\u00eene du r\u00e9chauffement. CNRS Le Journal.
\nCr\u00e9dit photo : \u00a9 J. Lenoir<\/p>","protected":false},"excerpt":{"rendered":"

En 20 ans, le r\u00e9chauffement climatique a induit une augmentation de 1\u00a0\u00b0C des temp\u00e9ratures en France. Pour s\u2019adapter, les animaux et les plantes doivent migrer vers le nord pour y trouver des temp\u00e9ratures qui leurs conviennent mieux. Selon une \u00e9tude publi\u00e9e en 2011, Romain Bertrand et ses coll\u00e8gues ont observ\u00e9 que certaines plantes comme la […]<\/p>","protected":false},"featured_media":0,"template":"","categories":[50],"acf":[],"yoast_head":"\nLe ph\u00e9nom\u00e8ne de \u00ab dette climatique \u00bb\u00a0inqui\u00e8te - For\u00eat.Nature<\/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:\/\/foretnature.be\/en\/resume-foret-mail\/le-phenomene-de-dette-climatique-inquiete\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Le ph\u00e9nom\u00e8ne de \u00ab dette climatique \u00bb\u00a0inqui\u00e8te - For\u00eat.Nature\" \/>\n<meta property=\"og:description\" content=\"En 20 ans, le r\u00e9chauffement climatique a induit une augmentation de 1\u00a0\u00b0C des temp\u00e9ratures en France. Pour s\u2019adapter, les animaux et les plantes doivent migrer vers le nord pour y trouver des temp\u00e9ratures qui leurs conviennent mieux. 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