{"id":34982,"date":"2021-11-19T16:42:44","date_gmt":"2021-11-19T15:42:44","guid":{"rendered":"https:\/\/foretnature.be\/?post_type=resume-foret-mail&#038;p=34982"},"modified":"2021-11-19T16:42:44","modified_gmt":"2021-11-19T15:42:44","slug":"lacidification-des-sols-une-bombe-a-retardement","status":"publish","type":"resume-foret-mail","link":"https:\/\/foretnature.be\/en\/resume-foret-mail\/lacidification-des-sols-une-bombe-a-retardement\/","title":{"rendered":"L\u2019acidification des sols, une bombe \u00e0 retardement"},"content":{"rendered":"<p>Depuis plus de cent ans, les activit\u00e9s humaines (\u00e9nergies, industries, modes de vie\u2026) ont grandement influenc\u00e9 les \u00e9missions de polluants atmosph\u00e9riques. Ces derniers sont capt\u00e9s par les sols forestiers dans des quantit\u00e9s telles que les cycles naturels qui y op\u00e8rent ont \u00e9t\u00e9 modifi\u00e9s. De ce fait, les sols s\u2019acidifient de plus en plus ce qui cause de nombreux probl\u00e8mes sur le d\u00e9veloppement et l\u2019\u00e9volution de la v\u00e9g\u00e9tation. Les cons\u00e9quences les plus notables sont :<\/p>\n<p>&#8211; \u00a0 \u00a0 \u00a0 L\u2019entrave \u00e0 l\u2019absorption des nutriments<br \/>\n&#8211; \u00a0 \u00a0 \u00a0 Le lessivage des nutriments<br \/>\n&#8211; \u00a0 \u00a0 \u00a0 La baisse de l\u2019activit\u00e9 biologique<br \/>\n&#8211; \u00a0 \u00a0 \u00a0 La modification de la flore<br \/>\n&#8211; \u00a0 \u00a0 \u00a0 La perte de diversit\u00e9 et vitalit\u00e9 mycorhyzienne<br \/>\n&#8211; \u00a0 \u00a0 \u00a0 La diminution des extensions racinaires<\/p>\n<p>Une analyse des concentrations en \u00e9l\u00e9ments chimiques dans des rondelles d\u2019\u00e9pic\u00e9a et de h\u00eatre apporte des indications nettes sur l\u2019\u00e9volution de l\u2019acidification des sols au cours du temps et permet de mettre en lumi\u00e8re des ph\u00e9nom\u00e8nes difficilement observables et surtout sur des p\u00e9riodes de temps tr\u00e8s \u00e9tendues. M\u00eame si les rejets atmosph\u00e9riques diminuaient, les sols continueront \u00e0 souffrir des \u00e9missions pass\u00e9es. Ce constat rappelle la n\u00e9cessit\u00e9 d\u2019 intensifier les efforts pour limiter l\u2019impact anthropique sur l\u2019environnement.<\/p>","protected":false},"excerpt":{"rendered":"<p>Depuis plus de cent ans, les activit\u00e9s humaines (\u00e9nergies, industries, modes de vie\u2026) ont grandement influenc\u00e9 les \u00e9missions de polluants atmosph\u00e9riques. Ces derniers sont capt\u00e9s par les sols forestiers dans des quantit\u00e9s telles que les cycles naturels qui y op\u00e8rent ont \u00e9t\u00e9 modifi\u00e9s. De ce fait, les sols s\u2019acidifient de plus en plus ce qui [&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>L\u2019acidification des sols, une bombe \u00e0 retardement - 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\/lacidification-des-sols-une-bombe-a-retardement\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"L\u2019acidification des sols, une bombe \u00e0 retardement - For\u00eat.Nature\" \/>\n<meta property=\"og:description\" content=\"Depuis plus de cent ans, les activit\u00e9s humaines (\u00e9nergies, industries, modes de vie\u2026) ont grandement influenc\u00e9 les \u00e9missions de polluants atmosph\u00e9riques. Ces derniers sont capt\u00e9s par les sols forestiers dans des quantit\u00e9s telles que les cycles naturels qui y op\u00e8rent ont \u00e9t\u00e9 modifi\u00e9s. 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