{"id":6455,"date":"2022-12-14T10:39:36","date_gmt":"2022-12-14T09:39:36","guid":{"rendered":"https:\/\/shams-alyaoum.com\/fr\/?p=6455"},"modified":"2022-12-14T10:39:36","modified_gmt":"2022-12-14T09:39:36","slug":"billet-la-securite-alimentaire-menacee","status":"publish","type":"post","link":"https:\/\/shams-alyaoum.com\/fr\/billet-la-securite-alimentaire-menacee\/","title":{"rendered":"BILLET | La s\u00e9curit\u00e9 alimentaire menac\u00e9e"},"content":{"rendered":"<p><span class=\"s1\">S<\/span><span class=\"s1\">oumise de longue date aux variations climatiques, la Tunisie subit un s\u00e9v\u00e8re d\u00e9ficit pluviom\u00e9trique et une baisse alarmante des r\u00e9serves en eau dans tous les barrages de pr\u00e8s de 761,8 Mm3 jusqu\u2019au mois de septembre 2022 contre 705,3 Mm3 enregistr\u00e9s \u00e0 la m\u00eame date de 2021 et une moyenne enregistr\u00e9e au cours des trois derni\u00e8res ann\u00e9es de 1.050,6 Mm3 , soit un d\u00e9ficit de 288,8 Mm3, selon les statistiques officielles. Ce d\u00e9ficit demeure un indicateur inqui\u00e9tant et le minist\u00e8re de l\u2019Agriculture essaie de contenir les effets d\u00e9vastateurs de la s\u00e9cheresse qui pointe \u00e0 l\u2019horizon. La Tunisie fait face \u00e0 un stress hydrique qui est devenu apparent ces derni\u00e8res ann\u00e9es. Cette situation pr\u00e9occupante et inqui\u00e9tante n\u2019est pas sans impact sur le secteur agricole, dont la production sera affect\u00e9e \u00e0 l\u2019avenir si aucune strat\u00e9gie efficiente n\u2019est mise en place pour garantir la disponibilit\u00e9 p\u00e9renne de la ressource en eau. Le d\u00e9ficit pluviom\u00e9trique est clairement perceptible, il s\u2019est accentu\u00e9 un peu partout dans le monde depuis la moiti\u00e9 des ann\u00e9es 70. Les climatologues estiment cette r\u00e9duction \u00e0 20-30% \u00e0 la fin du si\u00e8cle pass\u00e9. Le stress hydrique s\u2019est install\u00e9 de fa\u00e7on permanente depuis pr\u00e8s d\u2019un demi-si\u00e8cle. La recrudescence et l\u2019intensification de ces \u00e9pisodes dans les d\u00e9cennies \u00e0 venir menaceront durablement la s\u00e9curit\u00e9 alimentaire nationale. En Tunisie, la situation des agriculteurs est en train de devenir alarmante face \u00e0 la chute de leurs revenus. Les plus vuln\u00e9rables \u00e9tant ceux qui tirent leur subsistance d\u2019une agriculture pluviale. Ils sont violemment expos\u00e9s \u00e0 une nouvelle gestion de l\u2019impr\u00e9visibilit\u00e9 des stress et des chocs qui s\u2019accro\u00eetront inexorablement. Les appels de d\u00e9tresse des \u00e9leveurs et agriculteurs sont une alerte qui refl\u00e8te un basculement vers la pauvret\u00e9. En consid\u00e9rant qu\u2019un emploi dans la sph\u00e8re de production g\u00e9n\u00e8re, au moins, trois autres emplois, transport-commerce-valorisation\u2026 La vuln\u00e9rabilit\u00e9 du pays au changement climatique \u00e9tant particuli\u00e8rement \u00e9lev\u00e9e, on s\u2019attend \u00e0 d\u2019importantes chutes de production, sachant que les rendements agricoles sont d\u00e9j\u00e0 en baisse. Il aurait fallu d\u00e9velopper en urgence une politique d\u2019adaptation au changement climatique pour pr\u00e9server et la production et les revenus des agriculteurs.Tous les<span class=\"Apple-converted-space\">\u00a0\u00a0<\/span>sc\u00e9narios mondiaux pr\u00e9disent que les effets du changement climatique ne feront que prendre de l\u2019ampleur. Les mod\u00e8les climatiques montrent que la diminution de la pluviom\u00e9trie aura des grandeurs comparables ou sup\u00e9rieures pour ce XXIe si\u00e8cle. Ainsi, les ann\u00e9es \u00e0 venir seront plus s\u00e8ches et plus chaudes. L\u2019eau demeure d\u00e9sormais au centre de tous les enjeux. Eu \u00e9gard \u00e0 la baisse de la pluviom\u00e9trie, aux d\u00e9faillances dans la maintenance des barrages et dans la gestion de la distribution, les besoins sont en forte croissance, que ce soit pour la consommation domestique, l\u2019industrie, le b\u00e2timent ou l\u2019agriculture, alors que les ressources sont limit\u00e9es. Le taux de remplissage des barrages en t\u00e9moigne. En effet, le volume stock\u00e9 dans les barrages a atteint 678 Mm3 contre 717 Mm3 l\u2019ann\u00e9e derni\u00e8re. Pour l\u2019ensemble des barrages, le taux de remplissage s\u2019\u00e9l\u00e8ve jusqu\u2019\u00e0 aujourd\u2019hui \u00e0 32,8%.<\/span><\/p>\n<p>La Presse.tn<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Soumise de longue date aux variations climatiques, la Tunisie subit un s\u00e9v\u00e8re d\u00e9ficit pluviom\u00e9trique et une baisse alarmante des r\u00e9serves en eau dans tous les barrages de pr\u00e8s de 761,8 Mm3 jusqu\u2019au mois de septembre 2022 contre 705,3 Mm3 enregistr\u00e9s \u00e0 la m\u00eame date de 2021 et une moyenne enregistr\u00e9e au cours des trois derni\u00e8res &hellip;<\/p>\n","protected":false},"author":2,"featured_media":6456,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[],"class_list":["post-6455","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-economie"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - 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