{"id":420,"date":"2021-12-06T21:15:25","date_gmt":"2021-12-06T18:15:25","guid":{"rendered":"https:\/\/planeta21vek.ru\/fr\/?p=420"},"modified":"2025-11-20T11:39:25","modified_gmt":"2025-11-20T08:39:25","slug":"derevia","status":"publish","type":"post","link":"https:\/\/planeta21vek.ru\/fr\/2021\/12\/06\/derevia\/","title":{"rendered":"Les scientifiques attribuent l\u2019exc\u00e8s de gaz \u00e0 effet de serre aux arbres en d\u00e9composition"},"content":{"rendered":"<p style=\"text-align: justify;\">Le bois en d\u00e9composition lib\u00e8re jusqu&rsquo;\u00e0 10,9 gigatonnes de carbone, soit l&rsquo;\u00e9quivalent de 115 % des \u00e9missions de combustibles fossiles, rapporte une \u00e9quipe de recherche internationale.<\/p>\n<p><!--more--><\/p>\n<p style=\"text-align: justify;\">Les continents aux climats plus chauds et plus humides lib\u00e8rent beaucoup plus de carbone que les continents aux climats temp\u00e9r\u00e9s. Dans ce cas, le taux de d\u00e9composition du bois et la participation d&rsquo;insectes et de micro-organismes \u00e0 ce processus sont d&rsquo;une importance non n\u00e9gligeable. Les for\u00eats tropicales repr\u00e9sentent donc 93 % de tout le carbone lib\u00e9r\u00e9 par la pourriture du bois, a d\u00e9clar\u00e9 le professeur David Lindenmayer, co-auteur de l&rsquo;\u00e9tude, de l&rsquo;Universit\u00e9 nationale australienne.<\/p>\n<p>Ce projet de recherche mondial couvrait 55 zones foresti\u00e8res sur six continents.<\/p>\n<p>Les sp\u00e9cialistes russes de Roslesinforg ont analys\u00e9 les for\u00eats sur le territoire de la F\u00e9d\u00e9ration de Russie et sont arriv\u00e9s \u00e0 la conclusion que les for\u00eats du Caucase et de Crim\u00e9e accumulent le plus de carbone et que la quantit\u00e9 totale de gaz \u00e9mise par les for\u00eats est de 44,8 gigatonnes. Une \u00e9valuation quantitative des r\u00e9serves de carbone a \u00e9t\u00e9 r\u00e9alis\u00e9e dans la phytomasse a\u00e9rienne et souterraine, dans les dendrites ligneuses &#8211; bois mort, bois mort.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le bois en d\u00e9composition lib\u00e8re jusqu&rsquo;\u00e0 10,9 gigatonnes de carbone, soit l&rsquo;\u00e9quivalent de 115 % des \u00e9missions de combustibles fossiles, rapporte une \u00e9quipe de recherche internationale.<\/p>\n","protected":false},"author":1,"featured_media":421,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[763,23],"tags":[456,454,455,416],"class_list":{"0":"post-420","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-changementclimatique","8":"category-klimat","9":"tag-carbone","10":"tag-des-arbres","11":"tag-foret","12":"tag-gaz-a-effet-de-serre"},"_links":{"self":[{"href":"https:\/\/planeta21vek.ru\/fr\/wp-json\/wp\/v2\/posts\/420","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/planeta21vek.ru\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/planeta21vek.ru\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/planeta21vek.ru\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/planeta21vek.ru\/fr\/wp-json\/wp\/v2\/comments?post=420"}],"version-history":[{"count":3,"href":"https:\/\/planeta21vek.ru\/fr\/wp-json\/wp\/v2\/posts\/420\/revisions"}],"predecessor-version":[{"id":1080,"href":"https:\/\/planeta21vek.ru\/fr\/wp-json\/wp\/v2\/posts\/420\/revisions\/1080"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/planeta21vek.ru\/fr\/wp-json\/wp\/v2\/media\/421"}],"wp:attachment":[{"href":"https:\/\/planeta21vek.ru\/fr\/wp-json\/wp\/v2\/media?parent=420"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/planeta21vek.ru\/fr\/wp-json\/wp\/v2\/categories?post=420"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/planeta21vek.ru\/fr\/wp-json\/wp\/v2\/tags?post=420"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}