{"id":16590,"date":"2015-11-10T17:52:38","date_gmt":"2015-11-10T16:52:38","guid":{"rendered":"http:\/\/www.naturalscience.org\/?page_id=16590"},"modified":"2023-01-09T15:51:58","modified_gmt":"2023-01-09T14:51:58","slug":"forets","status":"publish","type":"page","link":"https:\/\/www.naturalscience.org\/fr\/themes\/agriculture-naturelle\/forets\/","title":{"rendered":"For\u00eats"},"content":{"rendered":"<p>Les bois et for\u00eats couvrent 40,3 millions de km<sup>2<\/sup> de la surface de la Terre. La moiti\u00e9 se trouve seulement dans 5 pays, \u00e0 savoir en Russie, au Br\u00e9sil, au Canada, en Chine et aux \u00c9tats-Unis. Les for\u00eats sont d\u2019une beaut\u00e9 majestueuse&nbsp;; <img loading=\"lazy\" decoding=\"async\" class=\" size-medium wp-image-9937 alignleft\" src=\"https:\/\/www.naturalscience.org\/wp-content\/uploads\/2014\/09\/Wald-2-300x200.jpg\" alt=\"Wald\" width=\"300\" height=\"200\" srcset=\"https:\/\/www.naturalscience.org\/wp-content\/uploads\/2014\/09\/Wald-2-300x200.jpg 300w, https:\/\/www.naturalscience.org\/wp-content\/uploads\/2014\/09\/Wald-2-1024x682.jpg 1024w, https:\/\/www.naturalscience.org\/wp-content\/uploads\/2014\/09\/Wald-2-200x133.jpg 200w, https:\/\/www.naturalscience.org\/wp-content\/uploads\/2014\/09\/Wald-2-164x109.jpg 164w, https:\/\/www.naturalscience.org\/wp-content\/uploads\/2014\/09\/Wald-2.jpg 2000w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/> elles sont vari\u00e9es, riches en esp\u00e8ces et absolument indispensables. Elles sont l\u2019habitat de plus de 90&nbsp;% de tous les animaux terrestres. Elles offrent une protection contre les avalanches et les \u00e9boulements de terrain, elles fournissent de l\u2019ombre, du bois et des r\u00e9serves d\u2019une innombrable vari\u00e9t\u00e9 de fruits et plantes m\u00e9dicinales. <strong>Sans les for\u00eats, pas d\u2019eau&nbsp;!<\/strong> Un m\u00e8tre carr\u00e9 de sol forestier retient jusqu\u2019\u00e0 200 litres d\u2019eau. Les eaux de la fonte des glaces et des pluies p\u00e9n\u00e8trent dans le sol et y sont filtr\u00e9es, fournissant ainsi une eau souterraine pure. De plus, les arbres sont de bons&nbsp;\u00ab&nbsp;faiseurs de pluie&nbsp;\u00bb, d\u2019une part parce les r\u00e9gions bois\u00e9es absorbent davantage l\u2019\u00e9nergie solaire que les r\u00e9gions d\u00e9nud\u00e9es, ce qui am\u00e8ne \u00e0 davantage de turbulences atmosph\u00e9riques et d\u2019autre part, parce que le feuillage des arbres humidifie l\u2019air. Ces deux facteurs favorisent les pr\u00e9cipitations.<\/p>\n<p>Les arbres sont donc les interm\u00e9diaires entre l\u2019atmosph\u00e8re et la plan\u00e8te. En tant que tels, ils sont absolument n\u00e9cessaires pour maintenir l\u2019\u00e9quilibre entre les \u00e9l\u00e9ments terre, eau, air et feu. <strong>Sans grands arbres centenaires, la plan\u00e8te Terre ne serait pas viable, ni nous.<\/strong><\/p>\n<h2>Reboisement<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-38602 size-medium alignright\" src=\"https:\/\/www.naturalscience.org\/wp-content\/uploads\/2023\/01\/AdobeStock_2370877411.5MB-200x300.jpeg\" alt=\"\" width=\"200\" height=\"300\" srcset=\"https:\/\/www.naturalscience.org\/wp-content\/uploads\/2023\/01\/AdobeStock_2370877411.5MB-200x300.jpeg 200w, https:\/\/www.naturalscience.org\/wp-content\/uploads\/2023\/01\/AdobeStock_2370877411.5MB-683x1024.jpeg 683w, https:\/\/www.naturalscience.org\/wp-content\/uploads\/2023\/01\/AdobeStock_2370877411.5MB-768x1151.jpeg 768w, https:\/\/www.naturalscience.org\/wp-content\/uploads\/2023\/01\/AdobeStock_2370877411.5MB-1025x1536.jpeg 1025w, https:\/\/www.naturalscience.org\/wp-content\/uploads\/2023\/01\/AdobeStock_2370877411.5MB-109x164.jpeg 109w, https:\/\/www.naturalscience.org\/wp-content\/uploads\/2023\/01\/AdobeStock_2370877411.5MB-267x400.jpeg 267w, https:\/\/www.naturalscience.org\/wp-content\/uploads\/2023\/01\/AdobeStock_2370877411.5MB-334x500.jpeg 334w, https:\/\/www.naturalscience.org\/wp-content\/uploads\/2023\/01\/AdobeStock_2370877411.5MB.jpeg 1200w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/p>\n<p><strong>Prenant en consid\u00e9ration les changements globaux, il est essentiel non seulement de pr\u00e9server et d\u2019entretenir bois et for\u00eats mais aussi de reboiser \u00e0 grande \u00e9chelle.<\/strong> La moiti\u00e9 des for\u00eats de la plan\u00e8te a d\u00e9j\u00e0 \u00e9t\u00e9 an\u00e9antie et le d\u00e9boisement continue encore. Chaque ann\u00e9e, 9.500.000 hectares de for\u00eats sont abattus dans le monde entier&nbsp;; cela \u00e9quivaut \u00e0 une surface de 18 terrains de football par minute. Dans certains pays comme la Suisse, des lois exemplaires sur la for\u00eat stipulent que les surfaces bois\u00e9es existantes doivent \u00eatre pr\u00e9serv\u00e9es sans exception. Mais ceci n\u2019est pas suffisant. Nous devons planter beaucoup plus d\u2019arbres que nous en coupons car pour remplacer un seul h\u00eatre centenaire, il faudrait par exemple deux mille jeunes h\u00eatres ayant chacun un volume de couronne de 1 m<sup>3<\/sup> afin d\u2019avoir la m\u00eame performance pour la vie!<\/p>\n<p>Profitez de la Journ\u00e9e Internationale de l\u2019Arbre, ayant lieu le dernier vendredi d&rsquo;avril chaque ann\u00e9e, pour planter un arbre. Ou bien renseignez-vous sur des op\u00e9rations de reboisement dans votre voisinage.<\/p>\n<h2>R\u00e9chauffement climatique<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-38603 size-medium alignleft\" src=\"https:\/\/www.naturalscience.org\/wp-content\/uploads\/2023\/01\/iStock-6682182301.8MB-300x222.jpg\" alt=\"\" width=\"300\" height=\"222\" srcset=\"https:\/\/www.naturalscience.org\/wp-content\/uploads\/2023\/01\/iStock-6682182301.8MB-300x222.jpg 300w, https:\/\/www.naturalscience.org\/wp-content\/uploads\/2023\/01\/iStock-6682182301.8MB-1024x757.jpg 1024w, https:\/\/www.naturalscience.org\/wp-content\/uploads\/2023\/01\/iStock-6682182301.8MB-768x568.jpg 768w, https:\/\/www.naturalscience.org\/wp-content\/uploads\/2023\/01\/iStock-6682182301.8MB-1536x1136.jpg 1536w, https:\/\/www.naturalscience.org\/wp-content\/uploads\/2023\/01\/iStock-6682182301.8MB-2048x1515.jpg 2048w, https:\/\/www.naturalscience.org\/wp-content\/uploads\/2023\/01\/iStock-6682182301.8MB-164x121.jpg 164w, https:\/\/www.naturalscience.org\/wp-content\/uploads\/2023\/01\/iStock-6682182301.8MB-400x296.jpg 400w, https:\/\/www.naturalscience.org\/wp-content\/uploads\/2023\/01\/iStock-6682182301.8MB-500x370.jpg 500w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>La plupart du temps, on parle d\u2019\u00e9missions du CO<sub>2<\/sub> en rapport avec le r\u00e9chauffement de la plan\u00e8te. Bien qu\u2019il soit juste et important de r\u00e9duire les \u00e9missions de CO<sub>2<\/sub> \u00e0 cause de la pollution atmosph\u00e9rique, ce n\u2019est cependant pas le CO<sub>2<\/sub> mais bien le d\u00e9boisement le plus grand probl\u00e8me. <strong>Moins il y a d\u2019arbres sur cette plan\u00e8te, moins le gaz carbonique est absorb\u00e9<\/strong> et moins le r\u00e9chauffement croissant \u2013 occasionn\u00e9 en grande partie par des causes naturelles \u2013 peut \u00eatre \u00e9quilibr\u00e9. Cependant, le centre d\u2019int\u00e9r\u00eat des agendas politiques et des organisations environnementales devrait \u00eatre prioritairement plac\u00e9 sur les projets de reboisement. <strong>Planter des arbres est la fa\u00e7on la plus simple, la moins co\u00fbteuse et la plus efficace d\u2019avoir une action contre le r\u00e9chauffement climatique.<\/strong><\/p>\n<p>Vous pouvez y contribuer personnellement en plantant des arbres dans votre jardin.<\/p>\n<p>&nbsp;<\/p>\n            <div class=\"latest-news-list hide-for-print\">\r\n                <div class=\"row\">\r\n                    <div class=\"small-24 columns \">\r\n                        <div class=\"title\">Lumi\u00e8re sur le th\u00e8me For\u00eats<\/div>\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"news-excerpt\" id=\"post-43817\">\r\n    <div class=\"row collapse\">\r\n\r\n\t\t\r\n        <div class=\"medium-7 columns\">\r\n            <a href=\"https:\/\/www.naturalscience.org\/fr\/news\/2026\/04\/vive-les-arbres\/\" title=\"Vive les arbres&nbsp;!\">\r\n                <img decoding=\"async\" src=\"https:\/\/www.naturalscience.org\/wp-content\/uploads\/2026\/04\/2026-04-24TWFNSARBOR-DAYRECTANGLEFR-164x164.jpg\" alt=\"\" width=\"200px\" height=\"200px\"\/>\r\n            <\/a>\r\n        <\/div>\r\n\r\n        <div class=\"medium-17 columns\">\r\n\t\t\t\r\n                <header>\r\n                    <div class=\"row collapse top\">\r\n                        <div class=\"small-12 columns\">\r\n                            <time datetime=\"2026-04-15T11:09:01+02:00\">\r\n\t\t\t\t\t\t\t\tMercredi 15 avril 2026                            <\/time>\r\n                        <\/div>\r\n\t\t\t\t\t\t                    <\/div>\r\n                    <h2><a href=\"https:\/\/www.naturalscience.org\/fr\/news\/2026\/04\/vive-les-arbres\/\">Vive les arbres&nbsp;!<\/a><\/h2>\r\n\r\n                <\/header>\r\n                <div class=\"entry-content\">\r\n                    <p>\r\n\t                    \u00ab&nbsp;Pour exister en tant que nation, pour prosp\u00e9rer en tant qu\u2019\u00c9tat, pour vivre en tant que peuple, nous avons besoin d\u2019arbres.&nbsp;\u00bb Cette citation est g\u00e9n\u00e9ralement attribu\u00e9e \u00e0 Theodor&nbsp;\u00ab&nbsp;Teddy&nbsp;\u00bb Roosevelt (1858-1919), le 26\u00e8me pr\u00e9sident des \u00c9tats-Unis d\u2019Am\u00e9rique. Roosevelt est consid\u00e9r\u00e9 comme l\u2019un des principaux fondateurs d\u2019une politique moderne de protection de la nature, qui souhaitait utiliser [&hellip;]                                                    <a href=\"https:\/\/www.naturalscience.org\/fr\/news\/2026\/04\/vive-les-arbres\/\" class=\"more-link\">Lire plus<\/a>\r\n                                            <\/p>\r\n                <\/div>\r\n            <\/div>\r\n        <\/div>\r\n<\/article>\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t                        <a href=\"https:\/\/www.naturalscience.org\/fr\/news\/category\/agriculture-naturelle\/forets\/\" class=\"button radius\">\r\n                            <i class=\"fa fa-angle-right\"><\/i>&nbsp;&nbsp;Lire plus                        <\/a>\r\n                    <\/div>\r\n                <\/div>\r\n            <\/div>\r\n\t\t\t\n\n","protected":false},"excerpt":{"rendered":"\u00ab&nbsp;Pour exister en tant que nation, pour prosp\u00e9rer en tant qu\u2019\u00c9tat, pour vivre en tant que peuple, nous avons besoin d\u2019arbres.&nbsp;\u00bb Cette citation est g\u00e9n\u00e9ralement attribu\u00e9e \u00e0 Theodor&nbsp;\u00ab&nbsp;Teddy&nbsp;\u00bb Roosevelt (1858-1919), le 26\u00e8me pr\u00e9sident des \u00c9tats-Unis d\u2019Am\u00e9rique. Roosevelt est consid\u00e9r\u00e9 comme l\u2019un des principaux fondateurs d\u2019une politique moderne de protection de la nature, qui souhaitait utiliser [&hellip;]","protected":false},"author":9,"featured_media":0,"parent":16588,"menu_order":47,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"ngg_post_thumbnail":0,"footnotes":""},"categories":[214],"class_list":["post-16590","page","type-page","status-publish","hentry","category-forets","wpautop"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>For\u00eats - The World Foundation for Natural Science<\/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:\/\/www.naturalscience.org\/fr\/themes\/agriculture-naturelle\/forets\/\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.naturalscience.org\\\/fr\\\/themes\\\/agriculture-naturelle\\\/forets\\\/\",\"url\":\"https:\\\/\\\/www.naturalscience.org\\\/fr\\\/themes\\\/agriculture-naturelle\\\/forets\\\/\",\"name\":\"For\u00eats - 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