{"id":50257,"date":"2025-03-19T14:25:14","date_gmt":"2025-03-19T18:25:14","guid":{"rendered":"https:\/\/www.uqac.ca\/uqactualites\/?p=50257"},"modified":"2025-06-10T13:56:06","modified_gmt":"2025-06-10T17:56:06","slug":"sergio-rossi-cosigne-un-article-dans-nature-climate-change","status":"publish","type":"post","link":"https:\/\/www.uqac.ca\/uqactualites\/2025\/03\/19\/sergio-rossi-cosigne-un-article-dans-nature-climate-change\/","title":{"rendered":"Sergio Rossi cosigne un article dans Nature Climate Change"},"content":{"rendered":"<p>Les printemps de plus en plus chauds, cons\u00e9quence du changement climatique en cours, se traduisent par une r\u00e9activation plus h\u00e2tive de la croissance des plantes. Or, une \u00e9closion plus h\u00e2tive de feuilles risque d\u2019exposer les v\u00e9g\u00e9taux aux gel\u00e9s printani\u00e8res. De tels dommages pourraient r\u00e9duire la capacit\u00e9 des arbres \u00e0 compl\u00e9ter leur croissance. <a href=\"https:\/\/portfolio.uqac.ca\/sergiorossi\/\" target=\"_blank\" rel=\"noopener\">Sergio Rossi<\/a>, professeur en \u00e9cologie foresti\u00e8re au D\u00e9partement des sciences fondamentales, fait partie d\u2019une \u00e9quipe de 15 scientifiques ayant examin\u00e9 les relations entre les \u00e9v\u00e9nements de gel, la r\u00e9activation de la croissance et la photosynth\u00e8se.<\/p>\n<p>L\u2019\u00e9tude <a href=\"https:\/\/www.nature.com\/articles\/s41558-024-02205-w\" target=\"_blank\" rel=\"noopener\">&laquo;Late spring frost delays tree spring phenology by reducing phosynthetic productivity&raquo;<\/a>, issue d\u2019une collaboration entre la Chine, la France, l\u2019Espagne et le Canada, a analys\u00e9 des observations ph\u00e9nologiques r\u00e9colt\u00e9es depuis 1950 sur 870 esp\u00e8ces de plantes \u00e0 travers l\u2019h\u00e9misph\u00e8re bor\u00e9al. Des \u00e9pisodes des gel\u00e9es printani\u00e8res entra\u00eeneraient des r\u00e9percussions durant deux ann\u00e9es successives en modifiant la production de photosynth\u00e8se et la croissance. Les dommages du gel r\u00e9duisent la capacit\u00e9 des v\u00e9g\u00e9taux \u00e0 s\u00e9questrer le carbone de l\u2019atmosph\u00e8re, un processus essentiel pour la lutte aux changements climatiques. Les r\u00e9sultats de l\u2019\u00e9tude ont \u00e9t\u00e9 publi\u00e9s dans la prestigieuse revue <em>Nature Climate Change<\/em>.<\/p>\n<p>Sergio Rossi, ing\u00e9nieur forestier et sp\u00e9cialiste de l\u2019\u00e9cophysiologie des arbres, est un pionnier des \u00e9tudes sur la croissance des \u00e9cosyst\u00e8mes forestiers. Avec ses projets en \u00e9cologie, il contribue \u00e0 la valorisation de la ressource foresti\u00e8re dans un contexte de changement climatique.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les printemps de plus en plus chauds, cons\u00e9quence du changement climatique en cours, se traduisent par une r\u00e9activation plus h\u00e2tive de la croissance des plantes. Or, une \u00e9closion plus h\u00e2tive de feuilles risque d\u2019exposer les v\u00e9g\u00e9taux aux gel\u00e9s printani\u00e8res. De tels dommages pourraient r\u00e9duire la capacit\u00e9 des arbres \u00e0 compl\u00e9ter leur croissance. Sergio Rossi, professeur [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":48566,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2795,2],"tags":[6,337,3],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\r\n<title>Sergio Rossi cosigne un article dans Nature Climate Change - UQACtualit\u00e9s<\/title>\r\n<meta name=\"description\" content=\"Sergio Rossi cosigne un article dans Nature Climate Change.\" \/>\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\/2025\/03\/19\/sergio-rossi-cosigne-un-article-dans-nature-climate-change\/\" \/>\r\n<meta property=\"og:locale\" content=\"fr_CA\" \/>\r\n<meta property=\"og:type\" content=\"article\" \/>\r\n<meta property=\"og:title\" content=\"Sergio Rossi cosigne un article dans Nature Climate Change - 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