{"id":161274,"date":"2026-07-03T17:05:58","date_gmt":"2026-07-03T10:05:58","guid":{"rendered":"https:\/\/www.forestsnews.org\/161274\/drylands-feeding-the-world-climate-resilience"},"modified":"2026-07-03T17:06:02","modified_gmt":"2026-07-03T10:06:02","slug":"terres-arides-nourrissent-monde-resilience-climatique","status":"publish","type":"post","link":"https:\/\/www.forestsnews.org\/fr\/161274\/terres-arides-nourrissent-monde-resilience-climatique","title":{"rendered":"Les terres arides nourrissent le monde. Pourquoi restent-elles encore n\u00e9glig\u00e9es ?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Les terres arides couvrent 41 % de la surface terrestre de la plan\u00e8te, abritent un tiers de l\u2019humanit\u00e9 et fournissent pr\u00e8s de la moiti\u00e9 de la nourriture produite dans le monde. Pourtant, malgr\u00e9 leur \u00e9tendue et leur importance, elles demeurent largement absentes des m\u00e9canismes de financement climatique et des politiques environnementales.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Une nouvelle initiative entend changer cette r\u00e9alit\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La d\u00e9gradation rapide de ces \u00e9cosyst\u00e8mes fragiles mais essentiels menace non seulement tous les b\u00e9n\u00e9fices qu\u2019offrent les terres arides, mais compromet \u00e9galement tout leur potentiel. Qu\u2019il s\u2019agisse de savanes, de formations arbustives, de plaines semi-arides ou de parcs agroforestiers qui s\u2019\u00e9tendent sur plusieurs continents, ces paysages constituent un pilier fondamental de la s\u00e9curit\u00e9 alimentaire et climatique mondiale.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Malgr\u00e9 cela, ils restent largement absents des grands titres de l\u2019actualit\u00e9 et des flux de financement qui orientent les politiques environnementales \u00e0 l\u2019\u00e9chelle mondiale.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00ab Il est important de rappeler que ces paysages sont secs, mais qu\u2019ils ne doivent pas \u00eatre consid\u00e9r\u00e9s comme des terres st\u00e9riles, des endroits o\u00f9 rien ne peut se produire \u00bb, explique <a href=\"https:\/\/www.landscapealliance.org\/research-staff\/mieke-bourne\/\" target=\"_blank\" rel=\"noreferrer noopener\">Mieke Bourne<\/a>,&nbsp;responsable de l\u2019engagement des parties prenantes au sein de l\u2019Evidence Hub de &nbsp;<a href=\"https:\/\/www.landscapealliance.org\/\" target=\"_blank\" rel=\"noreferrer noopener\">Landscape Alliance<\/a>, une organisation mondiale de recherche et de d\u00e9veloppement qui travaille depuis de nombreuses ann\u00e9es dans les r\u00e9gions arides du monde.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00ab Les zones arides offrent de nombreuses opportunit\u00e9s et de nombreuses initiatives y voient d\u00e9j\u00e0 le jour. Nous devons mettre en avant leur potentiel. \u00bb<\/p>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-columns alignfull is-layout-flex wp-container-core-columns-is-layout-6b44f232 wp-block-columns-is-layout-flex\" style=\"border-top-style:dashed;border-top-width:1px;border-bottom-style:dashed;border-bottom-width:1px;padding-top:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--30)\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:190px\">\n<div class=\"wp-block-buttons is-content-justification-left is-nowrap is-layout-flex wp-container-core-buttons-is-layout-4d114226 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-fill\"><a class=\"wp-block-button__link has-contrast-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/www.forestsnews.org\/88100\/a-renaissance-of-nature-for-africas-drylands\" style=\"border-radius:3px;background-color:#bdedb9;padding-top:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--20);font-style:normal;font-weight:700\" target=\"_blank\" rel=\"noreferrer noopener\">A Lire Egalement<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"line-height:1.5\">\n<h2 class=\"wp-block-heading has-custom-green-dark-new-color has-text-color has-link-color wp-elements-4b1adba157f65f2f3d36bcd248e40a6b\" id=\"h-a-renaissance-of-nature-for-africa-s-drylands\" style=\"font-size:clamp(1.039rem, 1.039rem + ((1vw - 0.2rem) * 0.88), 1.6rem);font-style:normal;font-weight:600\">\u00ab\u00a0<a href=\"https:\/\/www.forestsnews.org\/88100\/a-renaissance-of-nature-for-africas-drylands\" target=\"_blank\" rel=\"noreferrer noopener\">A renaissance of nature\u00a0\u00bb for Africa\u2019s drylands<\/a><\/h2>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Une nouvelle initiative, <a href=\"https:\/\/www.landscapealliance.org\/project\/ce0bb2dba3304ab91c5d08de29136d59\/\" target=\"_blank\" rel=\"noreferrer noopener\">Thrivelands<\/a>, vise \u00e0 f\u00e9d\u00e9rer ces efforts au sein d&rsquo;une vaste coalition afin de faire de la restauration des terres arides un moteur de r\u00e9silience climatique, de s\u00e9curit\u00e9 alimentaire et de cr\u00e9ation de moyens de subsistance \u00e0 grande \u00e9chelle. Elle s&rsquo;appuie sur plusieurs ann\u00e9es de travaux men\u00e9s par Landscape Alliance dans les zones arides.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les sp\u00e9cialistes qui travaillent sur ces paysages soulignent toutefois qu&rsquo;une grande partie des connaissances scientifiques et techniques n\u00e9cessaires existe d\u00e9j\u00e0. Les solutions \u2014 gestion durable des terres, agroforesterie, d\u00e9veloppement de cha\u00eenes de valeur fond\u00e9es sur les ressources propres aux zones arides \u2014 ont \u00e9t\u00e9 perfectionn\u00e9es gr\u00e2ce \u00e0 des d\u00e9cennies de recherche sur le terrain et de pratiques communautaires.<\/p>\n\n\n\n<div class=\"wp-block-group alignfull is-layout-flow wp-container-core-group-is-layout-b26833bd wp-block-group-is-layout-flow\" style=\"margin-top:0;margin-bottom:0;padding-top:var(--wp--preset--spacing--30);padding-right:0;padding-bottom:var(--wp--preset--spacing--30);padding-left:0\">\n<div class=\"wp-block-cover is-light has-parallax has-custom-content-position is-position-bottom-left\" style=\"margin-top:0;margin-bottom:0;padding-top:0;padding-right:0;padding-bottom:0;padding-left:0;min-height:80vh;aspect-ratio:unset;\"><div role=\"img\" aria-label=\"Terraced dry hillsides in Kitui County, Kenya, with scattered trees and sparse vegetation across a dryland landscape.\" class=\"wp-block-cover__image-background wp-image-160801 size-full has-parallax\" style=\"background-position:50% 50%;background-image:url(https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/51664506265_539ca36d55_k.jpg)\"><\/div><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\" style=\"background-color:#99948f\"><\/span><div class=\"wp-block-cover__inner-container is-layout-flow wp-container-core-cover-is-layout-a2503c34 wp-block-cover-is-layout-flow\">\n<div class=\"wp-block-group has-background is-vertical is-layout-flex wp-container-core-group-is-layout-0a36cb25 wp-block-group-is-layout-flex\" style=\"border-top-right-radius:10px;background-color:#07070780;margin-top:0;margin-bottom:0;padding-top:var(--wp--preset--spacing--20);padding-right:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--20);padding-left:var(--wp--preset--spacing--20)\">\n<p class=\"has-text-align-right has-base-color has-text-color has-link-color has-small-font-size wp-elements-440ea20deac5b5b15852e2db7638ace3 wp-block-paragraph\" style=\"writing-mode:horizontal-tb\">Des versants en terrasses dans le comt\u00e9 de Kitui, au Kenya, une r\u00e9gion de terres arides o\u00f9 les communaut\u00e9s adaptent leurs pratiques de gestion des terres afin d&rsquo;am\u00e9liorer la conservation des sols et de l&rsquo;eau. Photo: Axel Fassio \/ Landscape Alliance<\/p>\n<\/div>\n<\/div><\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Ce qui manque aujourd&rsquo;hui n&rsquo;est donc pas le savoir, mais la reconnaissance. Le carbone des terres arides est principalement stock\u00e9 dans les sols plut\u00f4t que dans les arbres. Une grande partie de leur biodiversit\u00e9 se trouve sous terre ou parmi les esp\u00e8ces animales qui peuplent ces paysages. Leur production alimentaire nourrit des milliards de personnes qui restent pourtant largement absentes des r\u00e9cits qui orientent les investissements. Les terres arides sont rarement visibles dans les cha\u00eenes de valeur qui alimentent les financements d\u00e9di\u00e9s \u00e0 la conservation et \u00e0 la restauration.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00ab Alors que l&rsquo;agenda mondial consacr\u00e9 \u00e0 la nature et les financements qui l&rsquo;accompagnent prennent de l&rsquo;ampleur, j&rsquo;esp\u00e8re que Thrivelands permettra de construire une coalition et une dynamique capables non seulement de d\u00e9montrer ce qui fonctionne, mais aussi de d\u00e9ployer \u00e0 grande \u00e9chelle de nouveaux mod\u00e8les de gestion de ces paysages, durables \u00e0 tous les niveaux \u00bb, d\u00e9clare <strong>Salina Abraham<\/strong>, conseill\u00e8re aupr\u00e8s de la Directrice g\u00e9n\u00e9rale et responsable de la coordination ex\u00e9cutive de Landscape Alliance et \u00e9galement responsable du programme Thrivelands.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le co\u00fbt de l&rsquo;inaction ne cesse d&rsquo;augmenter. La d\u00e9gradation des terres arides&nbsp;<a href=\"https:\/\/www.unep.org\/news-and-stories\/story\/un-summit-puts-global-spotlight-land-degradation\" target=\"_blank\" rel=\"noreferrer noopener\"> pourrait r\u00e9duire la production alimentaire mondiale de 12 %<\/a> au cours des 25 prochaines ann\u00e9es. &nbsp;<a href=\"https:\/\/iucn.org\/resources\/issues-brief\/drylands-and-climate-change\" target=\"_blank\" rel=\"noreferrer noopener\">Environ 60 %  du carbone contenu dans les sols des terres arides est liv\u00e9r\u00e9 lorsque ceux-ci se d\u00e9gradent<\/a>. Le r\u00e9chauffement y progresse deux fois plus vite que la moyenne mondiale, accentuant le stress hydrique, l&rsquo;\u00e9rosion de la biodiversit\u00e9 et l&rsquo;effondrement des moyens de subsistance.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D&rsquo;ici 2030, jusqu&rsquo;\u00e0 700 millions de personnes pourraient \u00eatre contraintes de se d\u00e9placer.<\/p>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-columns alignfull is-layout-flex wp-container-core-columns-is-layout-6b44f232 wp-block-columns-is-layout-flex\" style=\"border-top-style:dashed;border-top-width:1px;border-bottom-style:dashed;border-bottom-width:1px;padding-top:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--30)\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:190px\">\n<div class=\"wp-block-buttons is-content-justification-left is-nowrap is-layout-flex wp-container-core-buttons-is-layout-4d114226 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-fill\"><a class=\"wp-block-button__link has-contrast-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/www.forestsnews.org\/fr\/164192\/ldsf-sante-des-sols-20-ans-journee-mondiale-des-sols\" style=\"border-radius:3px;background-color:#bdedb9;padding-top:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--20);font-style:normal;font-weight:700\" target=\"_blank\" rel=\"noreferrer noopener\">Read also<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"line-height:1.5\">\n<h2 class=\"wp-block-heading has-custom-green-dark-new-color has-text-color has-link-color wp-elements-5679f403cef53e981d999ff80c225f18\" id=\"h-born-in-the-sahel-now-global-a-soil-assessment-method-reshaping-restoration-science\" style=\"font-size:clamp(1.039rem, 1.039rem + ((1vw - 0.2rem) * 0.88), 1.6rem);font-style:normal;font-weight:600\"><a href=\"https:\/\/www.forestsnews.org\/fr\/164192\/ldsf-sante-des-sols-20-ans-journee-mondiale-des-sols\" target=\"_blank\" rel=\"noreferrer noopener\">Born in the Sahel, now global: A soil assessment method reshaping restoration science<\/a><\/h2>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Le lien entre d\u00e9gradation des terres, conflits et migrations, d\u00e9j\u00e0 visible dans le Sahel, devrait encore s&rsquo;intensifier.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Au c\u0153ur du potentiel des terres arides se trouve une ressource largement invisible \u00e0 l&rsquo;\u0153il nu : le carbone stock\u00e9 dans leurs sols. <a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0016706124003045\" target=\"_blank\" rel=\"noreferrer noopener\">Selon les chercheurs <\/a>, les sols des terres arides renferment <strong>646 p\u00e9tagrammes de carbone organique<\/strong>, soit environ <strong>32 % des r\u00e9serves mondiales de carbone organique des sols<\/strong>. Mais cet immense r\u00e9servoir est extr\u00eamement fragile. Lorsque les sols se d\u00e9gradent, ce carbone est lib\u00e9r\u00e9 dans l&rsquo;atmosph\u00e8re. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/speclim.icraf.org\/\" target=\"_blank\" rel=\"noreferrer noopener\">Le Laboratoire sur les terres et la sant\u00e9 de sols <\/a> de Landscape Alliance&nbsp;travaille \u00e0 cartographier cette ressource avec une tr\u00e8s grande pr\u00e9cision. Les chercheurs combinent des analyses de spectroscopie des sols de pointe avec des donn\u00e9es issues de la t\u00e9l\u00e9d\u00e9tection satellitaire afin de produire des cartes pr\u00e9dictives des stocks de carbone, de la sant\u00e9 des sols et des besoins en restauration sur de vastes territoires.&nbsp;Afin de garantir la coh\u00e9rence et la fiabilit\u00e9 des r\u00e9sultats, les \u00e9chantillons de sol sont pr\u00e9lev\u00e9s selon la m\u00e9thodologie reconnue du <a href=\"https:\/\/www.landscapealliance.org\/knowledge\/publication\/45871\/\" target=\"_blank\" rel=\"noreferrer noopener\">Cadre de surveillance de la d\u00e9gradation des terres<\/a> (LDSF).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ces donn\u00e9es suscitent d\u00e9j\u00e0 un vif int\u00e9r\u00eat, notamment aupr\u00e8s d&rsquo;investisseurs priv\u00e9s, depuis longtemps confront\u00e9s aux difficult\u00e9s de mesure et de v\u00e9rification. Elles ouvrent ainsi de nouvelles perspectives pour relier la gestion durable des terres arides aux indicateurs de performance des entreprises et \u00e0 des retours sur investissement concrets.<\/p>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-columns alignfull is-layout-flex wp-container-core-columns-is-layout-6b44f232 wp-block-columns-is-layout-flex\" style=\"border-top-style:dashed;border-top-width:1px;border-bottom-style:dashed;border-bottom-width:1px;padding-top:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--30)\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:190px\">\n<div class=\"wp-block-buttons is-content-justification-left is-nowrap is-layout-flex wp-container-core-buttons-is-layout-4d114226 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-fill\"><a class=\"wp-block-button__link has-contrast-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/www.forestsnews.org\/92859\/soil-spectroscopy-in-the-gambia\" style=\"border-radius:3px;background-color:#bdedb9;padding-top:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--20);font-style:normal;font-weight:700\" target=\"_blank\" rel=\"noreferrer noopener\">A Lire Egalement<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"line-height:1.5\">\n<h2 class=\"wp-block-heading has-custom-green-dark-new-color has-text-color has-link-color wp-elements-95f96cf2c3314ab6278ecd7e96cc19a6\" id=\"h-digging-deeper-how-soil-spectroscopy-is-revolutionizing-agriculture-in-the-gambia\" style=\"font-size:clamp(1.039rem, 1.039rem + ((1vw - 0.2rem) * 0.88), 1.6rem);font-style:normal;font-weight:600\"><a href=\"https:\/\/www.forestsnews.org\/92859\/soil-spectroscopy-in-the-gambia\" target=\"_blank\" rel=\"noreferrer noopener\">Digging deeper: How soil spectroscopy is revolutionizing agriculture in The Gambia<\/a><\/h2>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">En Afrique de l&rsquo;Ouest, les efforts de restauration s&rsquo;appuient sur l&rsquo;un des arbres les plus embl\u00e9matiques et \u00e9conomiquement importants des zones arides : le <strong>karit\u00e9<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Source du beurre utilis\u00e9 dans les secteurs des cosm\u00e9tiques, de l&rsquo;agroalimentaire et de la m\u00e9decine traditionnelle, le karit\u00e9 pousse naturellement dans la ceinture de savanes s\u00e8ches qui s&rsquo;\u00e9tend du S\u00e9n\u00e9gal \u00e0 l&rsquo;\u00c9thiopie. On estime qu&rsquo;environ <strong>16 millions de femmes<\/strong>, r\u00e9parties dans <strong>21 pays africains<\/strong>, d\u00e9pendent de cette ressource pour leurs moyens de subsistance.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Landscape Alliance m\u00e8ne depuis de nombreuses ann\u00e9es un important programme de soutien \u00e0 la fili\u00e8re karit\u00e9, combinant recherche scientifique, plaidoyer politique, d\u00e9veloppement des cha\u00eenes de valeur et restauration des parcs agroforestiers.&nbsp;&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les recherches ont d\u00e9montr\u00e9 que la restauration de la diversit\u00e9 v\u00e9g\u00e9tale dans ces paysages augmente le nombre de pollinisateurs ainsi que les rendements du karit\u00e9. Ces r\u00e9sultats ont \u00e9t\u00e9 int\u00e9gr\u00e9s dans les lignes directrices sur la biodiversit\u00e9 de <a href=\"https:\/\/www.globalshea.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">Global Shea Alliance<\/a>, qui regroupe plus de <strong>500 organisations membres<\/strong> issues des industries agroalimentaires et cosm\u00e9tiques et collabore avec Landscape Alliance sur plusieurs projets. Le programme&nbsp;<a href=\"https:\/\/regreeningafrica.org\/\" target=\"_blank\" rel=\"noreferrer noopener\">Regreening Africa<\/a>&nbsp; soutient \u00e9galement ces paysages gr\u00e2ce \u00e0 des actions concr\u00e8tes de restauration et \u00e0 la mise en place d&rsquo;un environnement institutionnel favorable.<\/p>\n\n\n\n<div class=\"wp-block-group alignfull has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"padding-top:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--30)\">\n<div class=\"wp-block-columns alignwide is-layout-flex wp-container-core-columns-is-layout-baaca9a6 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2048\" height=\"1361\" src=\"https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/53695435981_9f46933bfd_k.jpg\" alt=\"A farmer works beneath a shea tree on a dry agricultural landscape in Burkina Faso, with scattered trees and sparse vegetation in the background.\" class=\"wp-image-160815\" srcset=\"https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/53695435981_9f46933bfd_k.jpg 2048w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/53695435981_9f46933bfd_k-566x376.jpg 566w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/53695435981_9f46933bfd_k-624x415.jpg 624w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/53695435981_9f46933bfd_k-263x176.jpg 263w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/53695435981_9f46933bfd_k-768x510.jpg 768w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/53695435981_9f46933bfd_k-220x146.jpg 220w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/53695435981_9f46933bfd_k-1536x1021.jpg 1536w\" sizes=\"auto, (max-width: 2048px) 100vw, 2048px\" \/><figcaption class=\"wp-element-caption\">Un agriculteur travaille sous un arbre \u00e0 karit\u00e9 (<em>Vitellaria paradoxa<\/em>) dans un champ au Burkina Faso. Photo: Susan Onyango \/ Landscape Alliance<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2048\" height=\"1365\" src=\"https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/40132068671_aea784cf4a_k.jpg\" alt=\"Several women sit beneath a large shea tree in northern Ghana sorting and processing shea nuts in large metal basins.\" class=\"wp-image-160820\" srcset=\"https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/40132068671_aea784cf4a_k.jpg 2048w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/40132068671_aea784cf4a_k-566x377.jpg 566w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/40132068671_aea784cf4a_k-623x415.jpg 623w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/40132068671_aea784cf4a_k-263x176.jpg 263w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/40132068671_aea784cf4a_k-768x512.jpg 768w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/40132068671_aea784cf4a_k-220x147.jpg 220w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/40132068671_aea784cf4a_k-900x600.jpg 900w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2026\/06\/40132068671_aea784cf4a_k-1536x1024.jpg 1536w\" sizes=\"auto, (max-width: 2048px) 100vw, 2048px\" \/><figcaption class=\"wp-element-caption\">Des femmes transforment des noix de karit\u00e9 sous un arbre \u00e0 karit\u00e9 dans le nord du Ghana. Photo: Axel Fassio \/ Landscape Alliance<\/figcaption><\/figure>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Au Ghana, le projet &nbsp;<a href=\"https:\/\/www.landscapealliance.org\/project\/b811d7c1202246bc626508da738a311b\/\" target=\"_blank\" rel=\"noreferrer noopener\">Ghana Shea Landscape Emission Reductions ,<\/a>&nbsp;mis en \u0153uvre avec l&rsquo;appui de Landscape Alliance en partenariat avec la Commission foresti\u00e8re du Ghana et le Programme des Nations Unies pour le d\u00e9veloppement (PNUD), place les femmes au c\u0153ur de la cha\u00eene de valeur du karit\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ce projet phare, financ\u00e9 \u00e0 hauteur de <strong>54,5 millions de dollars am\u00e9ricains<\/strong> par le Fonds vert pour le climat, vise notamment \u00e0 &nbsp;prot\u00e9ger et restaurer les paysages gr\u00e2ce \u00e0 la plantation de mat\u00e9riel g\u00e9n\u00e9tique performant de karit\u00e9 et d&rsquo;autres esp\u00e8ces indig\u00e8nes ;&nbsp;renforcer les coop\u00e9ratives f\u00e9minines afin d&rsquo;attirer davantage d&rsquo;investissements priv\u00e9s ;&nbsp;am\u00e9liorer les infrastructures locales de transformation, notamment gr\u00e2ce \u00e0 des foyers am\u00e9lior\u00e9s et des entrep\u00f4ts, afin d&rsquo;accro\u00eetre les capacit\u00e9s de production et les revenus.<\/p>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-columns alignfull is-layout-flex wp-container-core-columns-is-layout-6b44f232 wp-block-columns-is-layout-flex\" style=\"border-top-style:dashed;border-top-width:1px;border-bottom-style:dashed;border-bottom-width:1px;padding-top:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--30)\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:190px\">\n<div class=\"wp-block-buttons is-content-justification-left is-nowrap is-layout-flex wp-container-core-buttons-is-layout-4d114226 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-fill\"><a class=\"wp-block-button__link has-contrast-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/www.forestsnews.org\/76097\/to-save-the-shea-tree-scientists-explore-predictive-breeding-tools\" style=\"border-radius:3px;background-color:#bdedb9;padding-top:var(--wp--preset--spacing--20);padding-bottom:var(--wp--preset--spacing--20);font-style:normal;font-weight:700\" target=\"_blank\" rel=\"noreferrer noopener\">A Lire Egalement<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\" style=\"line-height:1.5\">\n<h2 class=\"wp-block-heading has-custom-green-dark-new-color has-text-color has-link-color wp-elements-e8f3208e938cef1ef95eb84d93dd3f15\" id=\"h-to-save-the-shea-tree-scientists-explore-predictive-breeding-tools\" style=\"font-size:clamp(1.039rem, 1.039rem + ((1vw - 0.2rem) * 0.88), 1.6rem);font-style:normal;font-weight:600\"><a href=\"https:\/\/www.forestsnews.org\/76097\/to-save-the-shea-tree-scientists-explore-predictive-breeding-tools\" target=\"_blank\" rel=\"noreferrer noopener\">To save the shea tree, scientists explore predictive breeding tools<\/a><\/h2>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">L&rsquo;une des innovations les plus remarquables dans les terres arides concerne une plante que la plupart des agriculteurs consid\u00e8rent simplement comme une mauvaise herbe.&nbsp;<a href=\"http:\/\/landscapealliance.org\/knowledge\/publication\/28131\/\" target=\"_blank\" rel=\"noreferrer noopener\"><em>Calotropis procera<\/em><\/a><em>,<\/em>&nbsp;objet de recherches de Landscape Alliance, prosp\u00e8re dans certaines des r\u00e9gions les plus arides d&rsquo;Afrique. Dans certaines zones du Sahel, c&rsquo;est parfois la seule plante qui survit.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Traditionnellement utilis\u00e9e comme bois de chauffage ou en m\u00e9decine populaire, cette plante pourrait \u00e9galement devenir une ressource \u00e9conomique. Des analyses ont montr\u00e9 que les fibres de ses fruits m\u00fbrs poss\u00e8dent des propri\u00e9t\u00e9s proches de celles de la soie et pourraient \u00eatre utilis\u00e9es dans l&rsquo;industrie textile, ouvrant ainsi la voie \u00e0 une nouvelle culture de rente.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En Afrique australe, le projet&nbsp;<a href=\"https:\/\/www.landscapealliance.org\/z4abc\/\" target=\"_blank\" rel=\"noreferrer noopener\">Zambia for agroforestry, biodiversity and climate (Z4ABC)<\/a>&nbsp;de Landscape Alliance intervient dans le corridor Lower Zambezi-Luangwa-Nyika  en Zambie.  Il vise \u00e0 accompagner la transformation des syst\u00e8mes agricoles et alimentaires vers des mod\u00e8les intelligents face au climat, tout en aidant le pays \u00e0 atteindre ses objectifs de r\u00e9duction des \u00e9missions de gaz \u00e0 effet de serre.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L&rsquo;une des initiatives les plus originales du projet concerne <a href=\"https:\/\/www.forestsnews.org\/91630\/mushroom-nature-pantry-zambia\" target=\"_blank\" rel=\"noreferrer noopener\">les champignons<\/a>. Les chercheurs qui documentent la riche diversit\u00e9 fongique des for\u00eats de Miombo d\u00e9veloppent des cha\u00eenes de valeur fond\u00e9es sur la nature susceptibles de connecter les communaut\u00e9s foresti\u00e8res aux march\u00e9s internationaux et de cr\u00e9er de nouvelles opportunit\u00e9s \u00e9conomiques li\u00e9es \u00e0 la biodiversit\u00e9.<\/p>\n\n\n\n<div class=\"wp-block-group alignfull has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"padding-top:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--30)\">\n<figure class=\"wp-block-image alignwide size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1707\" src=\"https:\/\/www.forestsnews.org\/wp-content\/uploads\/2025\/03\/Cover-photo-scaled.jpg\" alt=\"\" class=\"wp-image-91633\" srcset=\"https:\/\/www.forestsnews.org\/wp-content\/uploads\/2025\/03\/Cover-photo-scaled.jpg 2560w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2025\/03\/Cover-photo-623x415.jpg 623w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2025\/03\/Cover-photo-2048x1365.jpg 2048w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2025\/03\/Cover-photo-263x176.jpg 263w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2025\/03\/Cover-photo-566x377.jpg 566w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2025\/03\/Cover-photo-768x512.jpg 768w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2025\/03\/Cover-photo-220x147.jpg 220w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2025\/03\/Cover-photo-900x600.jpg 900w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2025\/03\/Cover-photo-1536x1024.jpg 1536w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2025\/03\/Cover-photo-800x533.jpg 800w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2025\/03\/Cover-photo-610x407.jpg 610w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2025\/03\/Cover-photo-152x102.jpg 152w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2025\/03\/Cover-photo-669x446.jpg 669w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2025\/03\/Cover-photo-75x49.jpg 75w, https:\/\/www.forestsnews.org\/wp-content\/uploads\/2025\/03\/Cover-photo-1100x733.jpg 1100w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><figcaption class=\"wp-element-caption\">Le mycologue Peter Mortimer anime une activit\u00e9 de renforcement des capacit\u00e9s dans le cadre du projet Z4ABC, dans la province de Muchinga, en Zambie, afin de doter les communaut\u00e9s des comp\u00e9tences n\u00e9cessaires \u00e0 la culture des champignons et \u00e0 l&rsquo;am\u00e9lioration de leurs rendements. Photo: Lydia Amanzi \/ CIFOR-ICRAF<\/figcaption><\/figure>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">En Inde, Landscape Alliance&nbsp;travaille avec plusieurs partenaires afin de promouvoir la culture du coton biologique dans certaines des r\u00e9gions agricoles les plus arides du pays.&nbsp;Cette initiative d\u00e9veloppe une production cotonni\u00e8re r\u00e9g\u00e9n\u00e9ratrice fond\u00e9e sur l&rsquo;agroforesterie autour de quatre piliers : la viabilit\u00e9 \u00e9conomique, la durabilit\u00e9 \u00e9cologique, la restauration des corridors \u00e9cologiques et l&rsquo;autonomisation des agriculteurs.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le&nbsp;projet<a href=\"https:\/\/www.landscapealliance.org\/project\/regenerative-agriculture-cotton-based-agroforestry\/\" target=\"_blank\" rel=\"noreferrer noopener\"> Regenerative agriculture with cotton-based agroforestry<\/a>,&nbsp;vise \u00e0 d\u00e9velopper des syst\u00e8mes agroforestiers \u00e0 base de coton capables d&rsquo;am\u00e9liorer simultan\u00e9ment les r\u00e9sultats \u00e9conomiques, \u00e9cologiques et nutritionnels.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Depuis des si\u00e8cles, les <a href=\"https:\/\/www.landscapealliance.org\/restoration-for-resilience\/dryland\/\" target=\"_blank\" rel=\"noreferrer noopener\">communaut\u00e9s vivant sur les terres arides<\/a> g\u00e8rent durablement ces paysages. Elles ont accumul\u00e9 des connaissances pr\u00e9cieuses sur les risques, la variabilit\u00e9 climatique et la r\u00e9silience, que la science moderne commence seulement \u00e0 appr\u00e9cier pleinement.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La v\u00e9ritable question est d\u00e9sormais de savoir si les politiques publiques et les syst\u00e8mes financiers internationaux sauront rattraper ce retard et consid\u00e9rer enfin les terres arides non plus comme des marges improductives, mais comme ce qu&rsquo;elles sont r\u00e9ellement : des \u00e9cosyst\u00e8mes essentiels, productifs et riches en carbone.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00ab Nous devons mettre en avant leur potentiel \u00bb, rappelle  Bourne.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Au regard de tout ce que ces paysages apportent discr\u00e8tement au monde, cette conversation aurait d\u00fb commencer depuis longtemps.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les terres arides abritent un tiers de l\u2019humanit\u00e9 et fournissent pr\u00e8s de la moiti\u00e9 de l\u2019alimentation mondiale. Pourtant, elles restent largement n\u00e9glig\u00e9es dans le financement climatique et les politiques environnementales. La nouvelle initiative Thrivelands vise \u00e0 changer cette situation en mettant davantage en lumi\u00e8re le r\u00f4le de la restauration des terres arides dans le renforcement de la r\u00e9silience climatique, de la s\u00e9curit\u00e9 alimentaire et des moyens de subsistance durables.<\/p>\n","protected":false},"author":309,"featured_media":160796,"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":[12036,12040,12111,12056],"tags":[13207,11444,13205,13203,13194,11952,12951,12947,13201,11541,13200,13196,13202,13168,13198],"language":[2170],"location":[12246,12253,12217,12239],"tag-bahasa":[],"tag-espanol":[],"tag-francais":[],"type-espanol":[],"type-bahasa":[],"type-english":[2432,8233],"type-francais":[],"coauthors":[8801],"class_list":["post-161274","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-agroforesterie","category-changement-climatique-et-energetique","category-forests-news-fr","category-paysages","tag-afrique-de-louest","tag-agroforesterie","tag-carbone-des-sols","tag-degradation-des-terres","tag-dryland-restoration","tag-gestion-durable-des-terres","tag-moyens-de-subsistance-ruraux","tag-resilience-climatique","tag-restauration-des-terres-arides","tag-securite-alimentaire","tag-sequestration-du-carbone","tag-soil-carbon","tag-terres-arides","tag-thrivelands","language-francais","location-africa","location-asia-pacific","location-global","location-latin-america","type-english-feature","type-english-headlines"],"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>Les terres arides nourrissent le monde. Pourquoi restent-elles encore n\u00e9glig\u00e9es ? - Landscape Alliance Forests News<\/title>\n<meta name=\"description\" content=\"Les terres arides abritent un tiers de l&#039;humanit\u00e9 et fournissent pr\u00e8s de la moiti\u00e9 de l&#039;alimentation mondiale, mais elles restent largement absentes des m\u00e9canismes de financement climatique et des politiques environnementales. Une nouvelle initiative vise \u00e0 changer cette situation.\" \/>\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\/161274\/terres-arides-nourrissent-monde-resilience-climatique\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Les terres arides nourrissent le monde. 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