{"id":48464,"date":"2024-08-15T11:29:31","date_gmt":"2024-08-15T15:29:31","guid":{"rendered":"https:\/\/www.uqac.ca\/uqactualites\/?p=48464"},"modified":"2024-08-15T14:21:37","modified_gmt":"2024-08-15T18:21:37","slug":"comprendre-les-flux-de-carbone-et-la-formation-du-bois-dans-les-coniferes-boreaux","status":"publish","type":"post","link":"https:\/\/www.uqac.ca\/uqactualites\/2024\/08\/15\/comprendre-les-flux-de-carbone-et-la-formation-du-bois-dans-les-coniferes-boreaux\/","title":{"rendered":"Comprendre les flux de carbone et la formation du bois dans les conif\u00e8res bor\u00e9aux"},"content":{"rendered":"<p>Une \u00e9tude dirig\u00e9e par Roberto Silvestro, stagiaire postdoctoral sous la supervision de <a href=\"https:\/\/creb-uqac.ca\/equipes\/sergio-rossi\/\" target=\"_blank\" rel=\"noopener\">Sergio Rossi<\/a>, professeur en \u00e9cologie foresti\u00e8re et directeur du Laboratoire sur les \u00e9cosyst\u00e8mes terrestres bor\u00e9aux (<a href=\"https:\/\/creb-uqac.ca\/recherches\/laboratoire-sur-les-ecosystemes-terrestres-boreaux-ecoter\/\" target=\"_blank\" rel=\"noopener\">EcoTer<\/a>), a r\u00e9cemment \u00e9t\u00e9 publi\u00e9e dans la prestigieuse revue <a href=\"https:\/\/www.nature.com\/articles\/s41467-024-49494-5\" target=\"_blank\" rel=\"noopener\"><em>Nature Communications<\/em><\/a>. Cette recherche d\u00e9crit les dynamiques intra-annuelles des flux de carbone et la formation du bois \u00e0 travers l&rsquo;h\u00e9misph\u00e8re bor\u00e9al.<\/p>\n<p>L\u2019\u00e9tude met en \u00e9vidence le synchronisme entre les dynamiques saisonni\u00e8res de l&rsquo;assimilation du carbone et de la croissance du bois sur 40 esp\u00e8ces de conif\u00e8res. Les r\u00e9sultats d\u00e9montrent le r\u00f4le crucial des flux de carbone entre les diff\u00e9rents processus physiologiques des arbres dans les \u00e9cosyst\u00e8mes forestiers, ainsi que les relations entre les sources et les puits de carbone \u00e0 l\u2019\u00e9chelle de l&rsquo;\u00e9cosyst\u00e8me.<\/p>\n<p>Fruit d\u2019une collaboration internationale, cette \u00e9tude r\u00e9unit 73 chercheuses et chercheurs affili\u00e9s \u00e0 57 instituts acad\u00e9miques et gouvernementaux en Am\u00e9rique du Nord, en Europe et en Asie. L\u2019\u00e9quipe de recherche inclut notamment <a href=\"https:\/\/www.uqac.ca\/portfolio\/anniedeslauriers\/\" target=\"_blank\" rel=\"noopener\">Annie Deslauriers<\/a>, professeure en physiologie v\u00e9g\u00e9tale, <a href=\"https:\/\/www.uqac.ca\/portfolio\/hubertmorin\/\" target=\"_blank\" rel=\"noopener\">Hubert Morin<\/a>, professeur \u00e9m\u00e9rite, ainsi que 17 personnes ayant effectu\u00e9 leur stage de recherche au D\u00e9partement des sciences fondamentales de l\u2019UQAC.<\/p>\n<p>Cette publication offre une nouvelle perspective sur les dynamiques de s\u00e9questration du carbone et apporte des \u00e9l\u00e9ments cruciaux pour comprendre la r\u00e9ponse des \u00e9cosyst\u00e8mes forestiers aux changements climatiques.<\/p>\n<h5>R\u00e9f\u00e9rence de l\u2019\u00e9tude:<\/h5>\n<p>Silvestro, R., Mencuccini, M., Garc\u00eda-Vald\u00e9s, R., Antonucci, S., Arzac, A., Biondi, F., &#8230; &amp; Rossi, S. (2024). Partial asynchrony of coniferous forest carbon sources and sinks at the intra-annual time scale. Nature Communications, 15(1), 6169. <a href=\"https:\/\/doi.org\/10.1038\/s41467-024-49494-5\" target=\"_blank\" rel=\"noopener\">https:\/\/doi.org\/10.1038\/s41467-024-49494-5<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Une \u00e9tude dirig\u00e9e par Roberto Silvestro, stagiaire postdoctoral sous la supervision de Sergio Rossi, professeur en \u00e9cologie foresti\u00e8re et directeur du Laboratoire sur les \u00e9cosyst\u00e8mes terrestres bor\u00e9aux (EcoTer), a r\u00e9cemment \u00e9t\u00e9 publi\u00e9e dans la prestigieuse revue Nature Communications. Cette recherche d\u00e9crit les dynamiques intra-annuelles des flux de carbone et la formation du bois \u00e0 travers [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":48470,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2795,4],"tags":[6,3,2777],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\r\n<title>Comprendre les flux de carbone et la formation du bois dans les conif\u00e8res bor\u00e9aux - UQACtualit\u00e9s<\/title>\r\n<meta name=\"description\" content=\"Cette recherche d\u00e9crit les dynamiques intra-annuelles des flux de carbone et la formation du bois \u00e0 travers l&#039;h\u00e9misph\u00e8re bor\u00e9al.\" \/>\r\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\r\n<link rel=\"canonical\" href=\"https:\/\/www.uqac.ca\/uqactualites\/2024\/08\/15\/comprendre-les-flux-de-carbone-et-la-formation-du-bois-dans-les-coniferes-boreaux\/\" \/>\r\n<meta property=\"og:locale\" content=\"fr_CA\" \/>\r\n<meta property=\"og:type\" content=\"article\" \/>\r\n<meta property=\"og:title\" content=\"Comprendre les flux de carbone et la formation du bois dans les conif\u00e8res bor\u00e9aux - 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