{"id":39934,"date":"2023-09-11T09:44:57","date_gmt":"2023-09-11T07:44:57","guid":{"rendered":"https:\/\/foretnature.be\/?post_type=resume-foret-mail&#038;p=39934"},"modified":"2023-09-11T09:44:57","modified_gmt":"2023-09-11T07:44:57","slug":"partager-gagner-bilan-mitige-du-cote-des-anastomoses-racinaires-chez-le-sapin-baumier","status":"publish","type":"resume-foret-mail","link":"https:\/\/foretnature.be\/en\/resume-foret-mail\/partager-gagner-bilan-mitige-du-cote-des-anastomoses-racinaires-chez-le-sapin-baumier\/","title":{"rendered":"Partager = gagner ? Bilan mitig\u00e9 du cot\u00e9 des anastomoses racinaires chez le sapin baumier"},"content":{"rendered":"<p>Un groupe de scientifiques a analys\u00e9 l\u2019impact des anastomoses sur la concurrence intrasp\u00e9cifique et la croissance du sapin baumier.<\/p>\n<p>Les anastomoses sont des connexions racinaires entre individus, souvent de m\u00eame esp\u00e8ce, et permettant \u00ab la translocation de l\u2019eau, des nutriments et des produits de la photosynth\u00e8se entre arbres connect\u00e9s, ce qui affecte leur croissance et leur physiologie \u00bb.<\/p>\n<p>Les r\u00e9sultats sont mitig\u00e9s car :<br \/>\n\u00ab Les arbres avant greffe avaient des taux de croissance plus \u00e9lev\u00e9s que les arbres une fois greff\u00e9s. La greffe de racines n&rsquo;a donc pas am\u00e9lior\u00e9 la croissance des arbres. \u00bb<br \/>\n\u00ab La croissance des arbres greff\u00e9s a \u00e9t\u00e9 plus affect\u00e9e par la concurrence intrasp\u00e9cifique que celle des arbres non greff\u00e9s. Les arbres greff\u00e9s ne peuvent donc pas \u00eatre consid\u00e9r\u00e9s comme de meilleurs comp\u00e9titeurs que les arbres non greff\u00e9s. \u00bb<br \/>\n\u00ab En cas de forte concurrence intrasp\u00e9cifique, la croissance des grands arbres greff\u00e9s a \u00e9t\u00e9 moins affect\u00e9e que celle des petits arbres, ce qui sugg\u00e8re qu&rsquo;ils ont \u00e9t\u00e9 en mesure de d\u00e9tourner les ressources \u00e0 leur avantage au sein d&rsquo;un groupe d&rsquo;arbres. \u00bb<\/p>","protected":false},"excerpt":{"rendered":"<p>Un groupe de scientifiques a analys\u00e9 l\u2019impact des anastomoses sur la concurrence intrasp\u00e9cifique et la croissance du sapin baumier. Les anastomoses sont des connexions racinaires entre individus, souvent de m\u00eame esp\u00e8ce, et permettant \u00ab la translocation de l\u2019eau, des nutriments et des produits de la photosynth\u00e8se entre arbres connect\u00e9s, ce qui affecte leur croissance et [&hellip;]<\/p>","protected":false},"featured_media":39924,"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>Partager = gagner ? 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