{"id":59756,"date":"2019-02-08T17:49:51","date_gmt":"2019-02-08T10:49:51","guid":{"rendered":"https:\/\/www.forestsnews.org\/?p=59756"},"modified":"2019-02-08T17:51:33","modified_gmt":"2019-02-08T10:51:33","slug":"lintensification-agricole-a-nourri-le-monde","status":"publish","type":"post","link":"https:\/\/www.forestsnews.org\/fr\/59756\/lintensification-agricole-a-nourri-le-monde","title":{"rendered":"L\u2019intensification agricole a nourri le monde, mais sommes-nous pour autant en meilleure sant\u00e9 ?"},"content":{"rendered":"<p>Produire plus de nourriture sur moins de terres ? L\u2019intensification agricole est en elle-m\u00eame plut\u00f4t s\u00e9duisante. Notre plan\u00e8te porte une population toujours plus nombreuse \u00e0 nourrir, et les nouvelles possibilit\u00e9s de terres \u00e0 cultiver sont rares, sauf \u00e0 mettre sa biodiversit\u00e9 d\u00e9clinante encore plus en p\u00e9ril.<\/p>\n<p>Mais entre un apport suffisant en calories et un r\u00e9gime alimentaire nutritif, une diff\u00e9rence de taille existe. La palette de micronutriments que nous devons ing\u00e9rer pour nous maintenir en bonne sant\u00e9 est large, et l&rsquo;un des moyens d\u2019y parvenir est de consommer une grande vari\u00e9t\u00e9 d&rsquo;aliments &#8211; ce que les nutritionnistes appellent \u00ab la diversit\u00e9 alimentaire \u00bb.<\/p>\n<p>Les profonds bouleversements technologiques apport\u00e9s par la \u00ab r\u00e9volution verte \u00bb au cours des ann\u00e9es 60 ont ouvert la voie \u00e0 un syst\u00e8me de monoculture incroyablement productif. Les vari\u00e9t\u00e9s am\u00e9lior\u00e9es de bl\u00e9, de riz et de ma\u00efs, r\u00e9clamant l\u2019utilisation d\u2019engrais, de pesticides, d\u2019engins m\u00e9caniques et d\u2019irrigation, sont devenues la norme en agriculture. Les agriculteurs pouvaient alors produire suffisamment de c\u00e9r\u00e9ales pour nourrir des milliards d\u2019\u00eatres humains.<\/p>\n<p>L\u2019impact est ind\u00e9niable : entre 1960 et 2000, les rendements agricoles des pays en d\u00e9veloppement ont plus que doubl\u00e9, entra\u00eenant un bond de leur croissance \u00e9conomique et le recul de la faim dans le monde.<\/p>\n<p>Et dans cette course pour nourrir la plan\u00e8te, la diversit\u00e9 alimentaire a commenc\u00e9 \u00e0 dispara\u00eetre, rapidement.<\/p>\n\n<p>L\u2019intensification agricole a \u00e9t\u00e9 largement salu\u00e9e comme \u00e9tant une \u00e9tape cl\u00e9 de la transformation d&rsquo;une \u00e9conomie agraire en une \u00e9conomie urbanis\u00e9e, et un \u00e9l\u00e9ment crucial permettant d\u2019atteindre la s\u00e9curit\u00e9 alimentaire. Il s&rsquo;agit l\u00e0 un argument puissant, s\u00e9duisant par sa simplicit\u00e9 et d\u00e9fendu par de nombreux chercheurs, d\u00e9cideurs politiques et donateurs. Il est si omnipr\u00e9sent, souligne Amy Ickowitz, experte scientifique senior au <a href=\"http:\/\/www.cifor.org\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">Centre de recherche foresti\u00e8re internationale<\/a> (CIFOR), que \u00ab tr\u00e8s peu de personnes [dans ces cercles] se sont interrog\u00e9es : \u00ab attendez un instant, que <em>perdons<\/em>-nous \u00e0 intensifier ? \u00bb.<\/p>\n<p>Dans un <a href=\"https:\/\/www.cifor.org\/library\/7089\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">r\u00e9cent article<\/a> publi\u00e9 dans <em>Global Food Security<\/em>, A. Ickowitz et ses co-auteurs soul\u00e8vent et d\u00e9crivent un probl\u00e8me que l&rsquo;intensification a \u00e9t\u00e9 incapable de r\u00e9soudre : la qualit\u00e9 de l\u2019alimentation. La qualit\u00e9 nutritionnelle de notre alimentation n&rsquo;a pas avanc\u00e9 au m\u00eame rythme que la production folle de calories. Et dans bien des cas, elle s\u2019est d\u00e9grad\u00e9e. Aujourd\u2019hui dans le monde, deux milliards d\u2019individus souffrent de carences en micronutriments, deux milliards d\u2019adultes sont en surpoids ou ob\u00e8ses, et contrastent avec les 800 millions d\u2019individus qui n&rsquo;ont pas suffisamment \u00e0 manger.<\/p>\n<p>L\u2019intensification n\u2019est pas la cause principale, ni la seule, \u00e0 l&rsquo;origine de ces probl\u00e8mes, d\u00e9clare A. Ickowitz, mais elle peut jouer un r\u00f4le dans certains cas. En Indon\u00e9sie, dans la province du Kalimantan occidental, son \u00e9quipe de recherche a observ\u00e9 comment les l\u00e9gumes-feuilles disparaissent du r\u00e9gime alimentaire des agriculteurs qui se sont tourn\u00e9s vers la culture de l\u2019huile de palme. \u00c0 l\u2019inverse, ceux qui ont maintenu leurs syst\u00e8mes traditionnels de polyculture sur br\u00fblis continuent de cultiver ou de r\u00e9colter ces aliments.<\/p>\n<p>\u00ab Est-ce parce que ces aliments ne sont pas pr\u00e9sents sur les march\u00e9s, ou parce que ces agriculteurs ont simplement fait le choix de ne pas les acheter, nous n\u2019en sommes pas encore certains \u00bb, poursuit A. Ickowitz, \u00ab mais il s&rsquo;agit d\u2019un changement qui a de fortes r\u00e9percussions sur la sant\u00e9 des gens, du fait que ces aliments constituent d&rsquo;importantes sources de vitamines A, de fer et de fibres. \u00bb<\/p>\n<div class='short-quote'>\n\t\t\t<blockquote>\n\t\t\t\t<p><\/p>\n\t\t\t\t<footer>\n\t\t\t\t\t<cite title='Source Title'><\/cite>\n\t\t\t\t<\/footer>\n\t\t\t<\/blockquote>\n\t\t<\/div>\n<p>Les dommages que l\u2019intensification a inflig\u00e9s \u00e0 l\u2019environnement font l\u2019objet d\u2019une attention croissante depuis plus d\u2019une dizaine d\u2019ann\u00e9es. L\u2019impact n\u00e9gatif des pesticides, des engrais, ainsi que les quantit\u00e9s d\u2019eau \u00e9normes n\u00e9cessaires \u00e0 l\u2019irrigation, sont largement d\u00e9nonc\u00e9s. Cette situation a suscit\u00e9 des appels en faveur d\u2019une \u00ab intensification durable \u00bb. Si cette avanc\u00e9e est assur\u00e9ment positive, elle n&rsquo;apporte pas de solution au probl\u00e8me que A. Ickowitz et ses collaborateurs cherchent \u00e0 mettre en avant. \u00ab M\u00eame en intensifiant durablement d&rsquo;un point de vue \u00e9cologique \u00bb, ajoute-t-elle, \u00ab si vous d\u00e9frichez un champ \u00ab peu entretenu \u00bb de haricots, de l\u00e9gumes-feuilles verts, de l\u00e9gumes orange, de ma\u00efs et de melon pour le remplacer par de beaux rangs bien propres de ma\u00efs ou de riz cultiv\u00e9s selon une m\u00e9thode durable, il peut encore y avoir des cons\u00e9quences n\u00e9fastes pour la sant\u00e9. \u00bb<\/p>\n<p>Alors, y a-t-il un meilleur moyen de nourrir le monde ? Il n\u2019y a aucune r\u00e9ponse \u00ab bien propre et bien rang\u00e9e \u00bb, selon A. Ickowitz, du moins, pas dans l\u2019imm\u00e9diat. L\u2019intensification pourrait bien encore \u00eatre la solution la plus appropri\u00e9e pour certains paysages et certaines populations : simplement, elle ne s\u2019applique pas \u00e0 tous, partout. \u00ab Ce que nous r\u00e9clamons \u00bb, dit-elle, \u00ab c\u2019est de porter un regard, plus sp\u00e9cifique au contexte, sur ce qui pourrait fonctionner dans certains paysages, et qui ne le pourrait pas dans d&rsquo;autres, avant de foncer t\u00eate baiss\u00e9e avec des mesures <em>\u00e0 taille unique \u00bb<\/em>. \u00bb<\/p>\n\n<p>De plus en plus de preuves viennent corroborer le fait que les paysages diversifi\u00e9s, qui int\u00e8grent un large \u00e9ventail de cultures, de biodiversit\u00e9 et d\u2019espaces laiss\u00e9s \u00e0 l\u2019\u00e9tat sauvage, ainsi que des infrastructures donnant un acc\u00e8s au march\u00e9, pourraient tr\u00e8s probablement assurer la s\u00e9curit\u00e9 alimentaire des m\u00e9nages et une durabilit\u00e9 environnementale.<\/p>\n<p>Ainsi, les auteurs appellent \u00e0 une r\u00e9orientation de l\u2019investissement et de la recherche vers ces syst\u00e8mes plus complexes, afin de d\u00e9passer la vision \u00e9triqu\u00e9e de la production intensive sur les cultures de base.<\/p>\n<p>Comme par une ironie du destin, alors que les impacts du syst\u00e8me alimentaire mondial sur l&rsquo;alimentation, l\u2019\u00e9cologie et la soci\u00e9t\u00e9 deviennent plus manifestes, de nombreux consommateurs dans les pays occidentaux ont d\u00e9j\u00e0 commenc\u00e9 \u00e0 se tourner vers un r\u00e9gime plus diversifi\u00e9, de saison et provenant de petits magasins locaux, tr\u00e8s similaires \u00e0 ceux que l\u2019on trouve dans les pays les moins d\u00e9velopp\u00e9s, o\u00f9 l\u2019intensification agricole n&rsquo;a pas encore fait son entr\u00e9e.<\/p>\n<p>\u00ab Nous encourageons donc fortement les pays tropicaux \u00e0 ne pas reproduire toutes les erreurs et les co\u00fbts sanitaires que les pays riches supportent aujourd\u2019hui \u00bb, commente A. Ickowitz. \u00c0 l\u2019heure actuelle, les maladies cardiovasculaires et le diab\u00e8te augmentent \u00ab tr\u00e8s, tr\u00e8s rapidement dans de nombreux pays tropicaux, dont l\u2019Indon\u00e9sie \u00bb, ajoute-t-elle. \u00ab Le meilleur sc\u00e9nario, pour les pays en d\u00e9veloppement, est de prendre les devants et d\u2019\u00e9viter l\u2019exemple des r\u00e9gimes occidentaux. \u00bb<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Produire plus de nourriture sur moins de terres ? L\u2019intensification agricole est en elle-m\u00eame plut\u00f4t s\u00e9duisante. Notre plan\u00e8te porte une population toujours plus nombreuse \u00e0 nourrir, et les nouvelles possibilit\u00e9s de terres \u00e0 cultiver sont rares, sauf \u00e0 mettre sa biodiversit\u00e9 d\u00e9clinante encore plus en p\u00e9ril. Mais entre un apport suffisant en calories et un [&hellip;]<\/p>\n","protected":false},"author":264,"featured_media":59759,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[188,6090],"tags":[],"language":[2170],"location":[],"tag-bahasa":[],"tag-espanol":[],"tag-francais":[3109,3171,2351,8311,2354,8312],"type-espanol":[],"type-bahasa":[],"type-english":[],"type-francais":[3001],"coauthors":[7144],"class_list":["post-59756","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-food-and-diets","category-forests-news","language-francais","tag-francais-agriculture","tag-francais-agroforesterie","tag-francais-alimentation","tag-francais-environnement","tag-francais-nutrition","tag-francais-regimes-alimentaires","type-francais-a-la-une"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.4 (Yoast SEO v28.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>L\u2019intensification agricole a nourri le monde, mais sommes-nous pour autant en meilleure sant\u00e9 ? - Landscape Alliance Forests News<\/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.forestsnews.org\/fr\/59756\/lintensification-agricole-a-nourri-le-monde\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"L\u2019intensification agricole a nourri le monde, mais sommes-nous pour autant en meilleure sant\u00e9 ?\" \/>\n<meta property=\"og:description\" content=\"Produire plus de nourriture sur moins de terres ? L\u2019intensification agricole est en elle-m\u00eame plut\u00f4t s\u00e9duisante. Notre plan\u00e8te porte une population toujours plus nombreuse \u00e0 nourrir, et les nouvelles possibilit\u00e9s de terres \u00e0 cultiver sont rares, sauf \u00e0 mettre sa biodiversit\u00e9 d\u00e9clinante encore plus en p\u00e9ril. Mais entre un apport suffisant en calories et un [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.forestsnews.org\/fr\/59756\/lintensification-agricole-a-nourri-le-monde\" \/>\n<meta property=\"og:site_name\" content=\"Landscape Alliance Forests News\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/CIFORICRAF\" \/>\n<meta property=\"article:published_time\" content=\"2019-02-08T10:49:51+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2019-02-08T10:51:33+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.forestsnews.org\/wp-content\/uploads\/2019\/02\/27926025259_967c7438b5_k-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1664\" \/>\n\t<meta property=\"og:image:height\" content=\"830\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Monica Evans\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@CIFOR_ICRAF\" \/>\n<meta name=\"twitter:site\" content=\"@CIFOR_ICRAF\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.forestsnews.org\\\/fr\\\/59756\\\/lintensification-agricole-a-nourri-le-monde#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.forestsnews.org\\\/fr\\\/59756\\\/lintensification-agricole-a-nourri-le-monde\"},\"author\":{\"name\":\"Monica Evans\",\"@id\":\"https:\\\/\\\/www.forestsnews.org\\\/fr#\\\/schema\\\/person\\\/bbc4f31739de12be65a7163dcd213d70\"},\"headline\":\"L\u2019intensification agricole a nourri le monde, mais sommes-nous pour autant en meilleure sant\u00e9 ?\",\"datePublished\":\"2019-02-08T10:49:51+00:00\",\"dateModified\":\"2019-02-08T10:51:33+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.forestsnews.org\\\/fr\\\/59756\\\/lintensification-agricole-a-nourri-le-monde\"},\"wordCount\":1161,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.forestsnews.org\\\/fr#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.forestsnews.org\\\/fr\\\/59756\\\/lintensification-agricole-a-nourri-le-monde#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.forestsnews.org\\\/wp-content\\\/uploads\\\/2019\\\/02\\\/27926025259_967c7438b5_k-1.jpg\",\"articleSection\":[\"Food &amp; diets\",\"Forests News\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.forestsnews.org\\\/fr\\\/59756\\\/lintensification-agricole-a-nourri-le-monde#respond\"]}],\"copyrightYear\":\"2019\",\"copyrightHolder\":{\"@id\":\"https:\\\/\\\/www.forestsnews.org\\\/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.forestsnews.org\\\/fr\\\/59756\\\/lintensification-agricole-a-nourri-le-monde\",\"url\":\"https:\\\/\\\/www.forestsnews.org\\\/fr\\\/59756\\\/lintensification-agricole-a-nourri-le-monde\",\"name\":\"L\u2019intensification agricole a nourri le monde, mais sommes-nous pour autant en meilleure sant\u00e9 ? 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