{"id":37708,"date":"2022-11-15T16:11:05","date_gmt":"2022-11-15T15:11:05","guid":{"rendered":"https:\/\/foretnature.be\/?post_type=resume-foret-mail&#038;p=37708"},"modified":"2022-11-15T16:11:05","modified_gmt":"2022-11-15T15:11:05","slug":"secheresse-carbone-organique-sol","status":"publish","type":"resume-foret-mail","link":"https:\/\/foretnature.be\/en\/resume-foret-mail\/secheresse-carbone-organique-sol\/","title":{"rendered":"Comment la s\u00e9cheresse influence la teneur en carbone organique du sol"},"content":{"rendered":"<p>Le r\u00e9chauffement climatique augmente fortement le stress hydrique sur la plan\u00e8te. Mais quel est l\u2019effet de la s\u00e9cheresse sur la s\u00e9questration de carbone organique dans le sol ? La pr\u00e9sente \u00e9tude porte sur l\u2019effet des stress hydriques et du manque d\u2019eau sur les processus biologiques et le stockage de carbone organique dans le sol. R\u00e9alis\u00e9e dans une trentaine de ch\u00eanaies hongroises du bassin des Carpathes, l\u2019\u00e9tude a analys\u00e9 plusieurs param\u00e8tres pour comprendre ces impacts.<\/p>\n<p>Dans les for\u00eats les plus s\u00e8ches, les r\u00e9sultats montrent une activit\u00e9 biologique bien plus basse et des concentrations en carbone organique du sol jusqu\u2019\u00e0 deux fois plus \u00e9lev\u00e9es dans les 30 premiers centim\u00e8tres du sol. Pourtant, la production de liti\u00e8re est bien plus importante (+37 %) dans les for\u00eats plus humides. Cela montre notamment l\u2019impact des \u00e9pisodes de s\u00e9cheresse sur les processus de d\u00e9gradation et donc, d\u2019accumulation de carbone organique du sol.<\/p>\n<p>En conclusion, un climat plus sec pourrait augmenter le stockage de carbone organique du sol dans les for\u00eats feuillues d\u2019Europe centrale et ce, m\u00eame si la production de liti\u00e8re diminue.<\/p>","protected":false},"excerpt":{"rendered":"<p>Le r\u00e9chauffement climatique augmente fortement le stress hydrique sur la plan\u00e8te. Mais quel est l\u2019effet de la s\u00e9cheresse sur la s\u00e9questration de carbone organique dans le sol ? La pr\u00e9sente \u00e9tude porte sur l\u2019effet des stress hydriques et du manque d\u2019eau sur les processus biologiques et le stockage de carbone organique dans le sol. R\u00e9alis\u00e9e [&hellip;]<\/p>","protected":false},"featured_media":37685,"template":"","categories":[50],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Comment la s\u00e9cheresse influence la teneur en carbone organique du sol - 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\/secheresse-carbone-organique-sol\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Comment la s\u00e9cheresse influence la teneur en carbone organique du sol - For\u00eat.Nature\" \/>\n<meta property=\"og:description\" content=\"Le r\u00e9chauffement climatique augmente fortement le stress hydrique sur la plan\u00e8te. 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