{"id":34178,"date":"2021-09-10T11:44:56","date_gmt":"2021-09-10T09:44:56","guid":{"rendered":"https:\/\/foretnature.be\/resume-foret-mail\/lanthropocene-est-stratigraphiquement-distinct-de-lholocene\/"},"modified":"2021-09-10T11:44:56","modified_gmt":"2021-09-10T09:44:56","slug":"lanthropocene-est-stratigraphiquement-distinct-de-lholocene","status":"publish","type":"resume-foret-mail","link":"https:\/\/foretnature.be\/en\/resume-foret-mail\/lanthropocene-est-stratigraphiquement-distinct-de-lholocene\/","title":{"rendered":"L\u2019Anthropoc\u00e8ne est stratigraphiquement distinct de l\u2019Holoc\u00e8ne"},"content":{"rendered":"<p>Faut-il consid\u00e9rer que nous sommes dans une nouvelle unit\u00e9 de temps g\u00e9ologique appel\u00e9e :\u00a0Anthropoc\u00e8ne ? Ce d\u00e9bat vigoureux entre scientifiques s\u2019appuie sur la constatation que les activit\u00e9s humaines laissent une trace omnipr\u00e9sente et persistante sur la Terre depuis environ la r\u00e9volution industrielle et ferait suite \u00e0 l\u2019Holoc\u00e8ne qui pr\u00e9vaut depuis une dizaine de milliers d\u2019ann\u00e9es.<br \/>\nAfin de faire avancer le d\u00e9bat, une \u00e9quipe internationale de chercheurs \u00e0 passer en revue les marqueurs anthropiques \u00e0 travers plusieurs enregistrements stratigraphiques. Ils ont trouv\u00e9 que la pr\u00e9sence de mat\u00e9riaux manufactur\u00e9s dans les s\u00e9diments, comme l\u2019aluminium, les plastiques et le b\u00e9ton, co\u00efncide avec les pics globaux des particules provenant de la combustion des combustibles fossiles. En outre, les cycles du carbone, de l\u2019azote et du phosphore ont \u00e9t\u00e9 sensiblement modifi\u00e9s au cours du si\u00e8cle pass\u00e9. Les taux d\u2019\u00e9l\u00e9vation du niveau de la mer et l\u2019ampleur de la perturbation humaine du syst\u00e8me climatique d\u00e9passent les changements de l\u2019Holoc\u00e8ne tardif. Enfin, les changements biotiques incluent des invasions d&rsquo;esp\u00e8ces dans le monde entier et des taux d\u2019extinction acc\u00e9l\u00e9r\u00e9s.<br \/>\nLes chercheurs pensent que tous ces signaux combin\u00e9s rendent l\u2019Anthropoc\u00e8ne stratigraphiquement distinct de l\u2019Holoc\u00e8ne et des \u00e9poques ant\u00e9rieures.<br \/>\nWaters C.N. et al. (2016). The Anthropocene is functionally and stratigraphically distinct from the Holocene. Science 351. DOI: 10.1126\/science.aad2622 (Photo : J. p. Briner).<\/p>","protected":false},"excerpt":{"rendered":"<p>Faut-il consid\u00e9rer que nous sommes dans une nouvelle unit\u00e9 de temps g\u00e9ologique appel\u00e9e :\u00a0Anthropoc\u00e8ne ? Ce d\u00e9bat vigoureux entre scientifiques s\u2019appuie sur la constatation que les activit\u00e9s humaines laissent une trace omnipr\u00e9sente et persistante sur la Terre depuis environ la r\u00e9volution industrielle et ferait suite \u00e0 l\u2019Holoc\u00e8ne qui pr\u00e9vaut depuis une dizaine de milliers d\u2019ann\u00e9es. [&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\u2019Anthropoc\u00e8ne est stratigraphiquement distinct de l\u2019Holoc\u00e8ne - 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\/lanthropocene-est-stratigraphiquement-distinct-de-lholocene\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"L\u2019Anthropoc\u00e8ne est stratigraphiquement distinct de l\u2019Holoc\u00e8ne - For\u00eat.Nature\" \/>\n<meta property=\"og:description\" content=\"Faut-il consid\u00e9rer que nous sommes dans une nouvelle unit\u00e9 de temps g\u00e9ologique appel\u00e9e :\u00a0Anthropoc\u00e8ne ? Ce d\u00e9bat vigoureux entre scientifiques s\u2019appuie sur la constatation que les activit\u00e9s humaines laissent une trace omnipr\u00e9sente et persistante sur la Terre depuis environ la r\u00e9volution industrielle et ferait suite \u00e0 l\u2019Holoc\u00e8ne qui pr\u00e9vaut depuis une dizaine de milliers d\u2019ann\u00e9es. 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Ce d\u00e9bat vigoureux entre scientifiques s\u2019appuie sur la constatation que les activit\u00e9s humaines laissent une trace omnipr\u00e9sente et persistante sur la Terre depuis environ la r\u00e9volution industrielle et ferait suite \u00e0 l\u2019Holoc\u00e8ne qui pr\u00e9vaut depuis une dizaine de milliers d\u2019ann\u00e9es. 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