{"id":34085,"date":"2021-09-06T10:26:11","date_gmt":"2021-09-06T08:26:11","guid":{"rendered":"https:\/\/foretnature.be\/resume-foret-mail\/le-stockage-de-carbone-par-les-forets-est-conditionne-par-la-teneur-en-nutriments-des-sols\/"},"modified":"2021-09-08T11:42:31","modified_gmt":"2021-09-08T09:42:31","slug":"le-stockage-de-carbone-par-les-forets-est-conditionne-par-la-teneur-en-nutriments-des-sols","status":"publish","type":"resume-foret-mail","link":"https:\/\/foretnature.be\/en\/resume-foret-mail\/le-stockage-de-carbone-par-les-forets-est-conditionne-par-la-teneur-en-nutriments-des-sols\/","title":{"rendered":"Le stockage de carbone par les for\u00eats est conditionn\u00e9 par la teneur en nutriments des sols"},"content":{"rendered":"<p>On consid\u00e8re aujourd\u2019hui qu\u2019une des r\u00e9ponses aux changements climatiques r\u00e9side dans la s\u00e9questration du carbone par les for\u00eats. Mais depuis quelques ann\u00e9es, une plus grande pr\u00e9sence de carbone et d\u2019azote dans l\u2019atmosph\u00e8re tendrait \u00e0 accro\u00eetre la productivit\u00e9 ligneuse. Or, cette concentration accrue implique \u00e9galement une demande plus grande en eau et en autres nutriments par les arbres.<br \/>\nLa pr\u00e9sente \u00e9tude cherche \u00e0 mettre en avant que ce gain de productivit\u00e9 et donc ce pouvoir de s\u00e9questration du carbone par les for\u00eats est largement conditionn\u00e9 \u00e0 la disponibilit\u00e9 en nutriments du sol. Elle met ainsi en exergue, entre 1992 et 2009, une d\u00e9t\u00e9rioration de la nutrition min\u00e9rale (cations basiques : N, P, K, Ca, Mg, S) des arbres, ce qui risque d\u2019impacter cette capacit\u00e9 de s\u00e9questration du carbone par les for\u00eats.<br \/>\nIl parait d\u00e8s lors essentiel que la disponibilit\u00e9 en nutriments soit prise en compte dans les prochaines \u00e9tudes relatives au suivi de la capacit\u00e9 de s\u00e9questration des for\u00eats afin de ne pas surestimer cette capacit\u00e9.<br \/>\nJonard M., F\u00fcrst A., Verstraeten A., Thimonier A., Timmermann V., Potocic N., Waldner P., Benham S., Hansen K., Meril\u00e4 P., Ponette Q., de la Cruz A., Roskams P., Nicolas M., CROISE L., Ingerslev M., Matteucci G., Decinti B., Bascietto M., Rautio P. (2015).Tree mineral nutrition is deteriorating in Europe. Global Change Biology 21 : 418-430.<\/p>","protected":false},"excerpt":{"rendered":"<p>On consid\u00e8re aujourd\u2019hui qu\u2019une des r\u00e9ponses aux changements climatiques r\u00e9side dans la s\u00e9questration du carbone par les for\u00eats. Mais depuis quelques ann\u00e9es, une plus grande pr\u00e9sence de carbone et d\u2019azote dans l\u2019atmosph\u00e8re tendrait \u00e0 accro\u00eetre la productivit\u00e9 ligneuse. Or, cette concentration accrue implique \u00e9galement une demande plus grande en eau et en autres nutriments par [&hellip;]<\/p>","protected":false},"featured_media":0,"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>Le stockage de carbone par les for\u00eats est conditionn\u00e9 par la teneur en nutriments des sols - 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-stockage-de-carbone-par-les-forets-est-conditionne-par-la-teneur-en-nutriments-des-sols\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Le stockage de carbone par les for\u00eats est conditionn\u00e9 par la teneur en nutriments des sols - For\u00eat.Nature\" \/>\n<meta property=\"og:description\" content=\"On consid\u00e8re aujourd\u2019hui qu\u2019une des r\u00e9ponses aux changements climatiques r\u00e9side dans la s\u00e9questration du carbone par les for\u00eats. Mais depuis quelques ann\u00e9es, une plus grande pr\u00e9sence de carbone et d\u2019azote dans l\u2019atmosph\u00e8re tendrait \u00e0 accro\u00eetre la productivit\u00e9 ligneuse. 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