{"id":45195,"date":"2025-04-07T16:10:50","date_gmt":"2025-04-07T14:10:50","guid":{"rendered":"https:\/\/foretnature.be\/?post_type=resume-foret-mail&p=45195"},"modified":"2025-04-07T16:10:50","modified_gmt":"2025-04-07T14:10:50","slug":"les-microplastiques-perturbent-la-photosynthese-des-vegetaux","status":"publish","type":"resume-foret-mail","link":"https:\/\/foretnature.be\/en\/resume-foret-mail\/les-microplastiques-perturbent-la-photosynthese-des-vegetaux\/","title":{"rendered":"Les microplastiques perturbent la photosynth\u00e8se des v\u00e9g\u00e9taux"},"content":{"rendered":"

Le plastique se d\u00e9compose en minuscules particules qui polluent tout notre environnement. Des chercheurs de l\u2019Universit\u00e9 de Nanjing et du 5 Gyres Institute se sont pench\u00e9s sur l\u2019effet de cette pollution sur la capacit\u00e9 des plantes \u00e0 r\u00e9aliser la photosynth\u00e8se. Il en ressort que les microplastiques bloquent l\u2019absorption de la lumi\u00e8re et de nutriments et perturbent la photosynth\u00e8se.<\/p>\n

Infiltr\u00e9s dans les terres agricoles, ils modifient la structure des sols : ils r\u00e9duisent leur porosit\u00e9 et capacit\u00e9 \u00e0 retenir l\u2019eau et les nutriments essentiels \u00e0 la croissance des cultures. De plus, ils r\u00e9duisent la concentration en chlorophylle et donc, la capacit\u00e9 des plantes \u00e0 convertir la lumi\u00e8re en \u00e9nergie. La croissance de cultures essentielles comme le bl\u00e9, le riz ou le ma\u00efs (trois cultures les plus consomm\u00e9es au monde) sont ainsi compromises.<\/p>\n

Les oc\u00e9ans ne sont pas \u00e9pargn\u00e9s : les microplastiques affectent directement la capacit\u00e9 du phytoplancton \u00e0 capturer le CO\u2082. En effet, les particules en suspension dans l\u2019eau r\u00e9duisent l\u2019exposition aux rayons solaires et donc, la photosynth\u00e8se. Cela a \u00e9galement un effet sur la croissance du phytoplancton et donc, sur l\u2019ensemble de la cha\u00eene alimentaire marine.<\/p>","protected":false},"excerpt":{"rendered":"

Le plastique se d\u00e9compose en minuscules particules qui polluent tout notre environnement. Des chercheurs de l\u2019Universit\u00e9 de Nanjing et du 5 Gyres Institute se sont pench\u00e9s sur l\u2019effet de cette pollution sur la capacit\u00e9 des plantes \u00e0 r\u00e9aliser la photosynth\u00e8se. Il en ressort que les microplastiques bloquent l\u2019absorption de la lumi\u00e8re et de nutriments et […]<\/p>","protected":false},"featured_media":45178,"template":"","categories":[50],"acf":[],"yoast_head":"\nLes microplastiques perturbent la photosynth\u00e8se des v\u00e9g\u00e9taux - 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\/les-microplastiques-perturbent-la-photosynthese-des-vegetaux\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Les microplastiques perturbent la photosynth\u00e8se des v\u00e9g\u00e9taux - For\u00eat.Nature\" \/>\n<meta property=\"og:description\" content=\"Le plastique se d\u00e9compose en minuscules particules qui polluent tout notre environnement. Des chercheurs de l\u2019Universit\u00e9 de Nanjing et du 5 Gyres Institute se sont pench\u00e9s sur l\u2019effet de cette pollution sur la capacit\u00e9 des plantes \u00e0 r\u00e9aliser la photosynth\u00e8se. 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