{"id":69017,"date":"2026-03-02T08:54:17","date_gmt":"2026-03-02T07:54:17","guid":{"rendered":"https:\/\/plumeseconomiques.com\/fr\/?p=69017"},"modified":"2026-03-02T08:54:17","modified_gmt":"2026-03-02T07:54:17","slug":"erosion-cotiere-en-tunisie-23-milliards-usd-de-pertes-attendues-dici-2050","status":"publish","type":"post","link":"https:\/\/plumeseconomiques.com\/fr\/news\/erosion-cotiere-en-tunisie-23-milliards-usd-de-pertes-attendues-dici-2050\/","title":{"rendered":"\u00c9rosion c\u00f4ti\u00e8re en Tunisie \u2013 2,3 milliards USD de pertes attendues d\u2019ici 2050"},"content":{"rendered":"<h2 data-start=\"408\" data-end=\"454\">Un risque r\u00e9el et \u00e9conomique<\/h2>\n<p data-start=\"456\" data-end=\"679\">La Tunisie poss\u00e8de <strong data-start=\"475\" data-end=\"496\">1 300 km de c\u00f4tes<\/strong>, et pr\u00e8s de <strong data-start=\"509\" data-end=\"544\">70 % de son activit\u00e9 \u00e9conomique<\/strong> se concentre sur le littoral. L\u2019\u00e9rosion c\u00f4ti\u00e8re n\u2019est pas un probl\u00e8me environnemental abstrait : c\u2019est un enjeu \u00e9conomique tangible.<\/p>\n<p data-start=\"681\" data-end=\"728\">Selon les projections de la Banque mondiale :<\/p>\n<ul data-start=\"730\" data-end=\"829\">\n<li data-start=\"730\" data-end=\"776\">\n<p data-start=\"732\" data-end=\"776\"><strong data-start=\"732\" data-end=\"753\">1,37 milliard USD<\/strong> de pertes d\u2019ici 2030<\/p>\n<\/li>\n<li data-start=\"777\" data-end=\"829\">\n<p data-start=\"779\" data-end=\"829\"><strong data-start=\"779\" data-end=\"808\">Plus de 2,3 milliards USD<\/strong> entre 2030 et 2050<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"831\" data-end=\"1009\">Ces chiffres ne repr\u00e9sentent pas des pertes actuelles, mais des <strong data-start=\"895\" data-end=\"1008\">sc\u00e9narios bas\u00e9s sur le climat et l\u2019exposition des infrastructures, du tourisme et des zones urbaines c\u00f4ti\u00e8res<\/strong>.<\/p>\n<h2 data-start=\"1016\" data-end=\"1056\">Pourquoi ces chiffres sont plausibles<\/h2>\n<p data-start=\"1058\" data-end=\"1107\">Plusieurs analyses confirment ces projections :<\/p>\n<ul data-start=\"1109\" data-end=\"1314\">\n<li data-start=\"1109\" data-end=\"1165\">\n<p data-start=\"1111\" data-end=\"1165\">D\u00e9gradation des infrastructures publiques et priv\u00e9es<\/p>\n<\/li>\n<li data-start=\"1166\" data-end=\"1212\">\n<p data-start=\"1168\" data-end=\"1212\">Perte de terres et d\u00e9gradation du littoral<\/p>\n<\/li>\n<li data-start=\"1213\" data-end=\"1272\">\n<p data-start=\"1215\" data-end=\"1272\">Impact \u00e9conomique sur le tourisme et le commerce c\u00f4tier<\/p>\n<\/li>\n<li data-start=\"1273\" data-end=\"1314\">\n<p data-start=\"1275\" data-end=\"1314\">Zones urbaines et portuaires \u00e0 risque<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1316\" data-end=\"1494\">D\u2019autres estimations montrent que <strong data-start=\"1350\" data-end=\"1433\">l\u2019inaction pourrait r\u00e9duire le PIB r\u00e9el de 3,4 % d\u2019ici 2030 (~1,8 milliard USD)<\/strong> et jusqu\u2019\u00e0 <strong data-start=\"1445\" data-end=\"1493\">6,4 % du PIB d\u2019ici 2050 (~3,4 milliards USD)<\/strong>.<\/p>\n<h2 data-start=\"1501\" data-end=\"1537\">Tendances et projections r\u00e9centes<\/h2>\n<p data-start=\"1539\" data-end=\"1602\">Les \u00e9tudes locales et internationales (2023\u20132025) indiquent :<\/p>\n<ul data-start=\"1604\" data-end=\"1848\">\n<li data-start=\"1604\" data-end=\"1683\">\n<p data-start=\"1606\" data-end=\"1683\"><strong data-start=\"1606\" data-end=\"1648\">Un quart de la zone c\u00f4ti\u00e8re tunisienne<\/strong> pourrait \u00eatre affect\u00e9 d\u2019ici 2050<\/p>\n<\/li>\n<li data-start=\"1684\" data-end=\"1742\">\n<p data-start=\"1686\" data-end=\"1742\"><strong data-start=\"1686\" data-end=\"1706\">1,6 milliard USD<\/strong> de terres potentiellement perdues<\/p>\n<\/li>\n<li data-start=\"1743\" data-end=\"1848\">\n<p data-start=\"1745\" data-end=\"1848\">Les catastrophes naturelles actuelles (s\u00e9cheresse, inondations) co\u00fbtent d\u00e9j\u00e0 jusqu\u2019\u00e0 <strong data-start=\"1830\" data-end=\"1846\">1,9 % du PIB<\/strong><\/p>\n<\/li>\n<\/ul>\n<blockquote data-start=\"1850\" data-end=\"1958\">\n<p data-start=\"1852\" data-end=\"1958\">L\u2019ensemble de ces chiffres int\u00e8gre toutes les menaces climatiques : p\u00e9nurie d\u2019eau, inondations et \u00e9rosion.<\/p>\n<\/blockquote>\n<h2 data-start=\"1965\" data-end=\"2012\">Implications pour d\u00e9cideurs et investisseurs<\/h2>\n<ul data-start=\"2014\" data-end=\"2326\">\n<li data-start=\"2014\" data-end=\"2103\">\n<p data-start=\"2016\" data-end=\"2103\">Le littoral concentre tourisme, ports et immobilier : <strong data-start=\"2070\" data-end=\"2101\">exposition \u00e9lev\u00e9e au risque<\/strong><\/p>\n<\/li>\n<li data-start=\"2104\" data-end=\"2212\">\n<p data-start=\"2106\" data-end=\"2212\"><strong data-start=\"2106\" data-end=\"2129\">Investir maintenant<\/strong> pour prot\u00e9ger les infrastructures est moins co\u00fbteux que subir les pertes futures<\/p>\n<\/li>\n<li data-start=\"2213\" data-end=\"2326\">\n<p data-start=\"2215\" data-end=\"2326\">Les projections sont r\u00e9alistes et permettent de planifier efficacement les strat\u00e9gies \u00e9conomiques et urbaines<\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"2333\" data-end=\"2383\">Agir avant qu\u2019il ne soit trop tard<\/h2>\n<p data-start=\"2385\" data-end=\"2526\">L\u2019\u00e9rosion c\u00f4ti\u00e8re est un probl\u00e8me \u00e9conomique majeur, pas seulement environnemental. Les projections sont claires : l\u2019inaction co\u00fbtera cher.<\/p>\n<p data-start=\"2528\" data-end=\"2697\"><strong data-start=\"2528\" data-end=\"2552\">Action recommand\u00e9e :<\/strong> int\u00e9grer ces chiffres dans l\u2019urbanisme, le d\u00e9veloppement touristique et la protection des infrastructures pour limiter les pertes \u00e9conomiques.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un risque r\u00e9el et \u00e9conomique La Tunisie poss\u00e8de 1 300 km de c\u00f4tes, et pr\u00e8s de 70 % de son activit\u00e9 \u00e9conomique se concentre sur le littoral. L\u2019\u00e9rosion c\u00f4ti\u00e8re n\u2019est pas un probl\u00e8me environnemental abstrait : c\u2019est un enjeu \u00e9conomique tangible. Selon les projections de la Banque mondiale : 1,37 milliard USD de pertes d\u2019ici [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":69020,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"","_seopress_titles_desc":"En Tunisie, l\u2019\u00e9rosion c\u00f4ti\u00e8re menace l\u2019\u00e9conomie : jusqu\u2019\u00e0 2,3 milliards USD de pertes d\u2019ici 2050. D\u00e9couvrez les chiffres et les risques r\u00e9els.","_seopress_robots_index":"","footnotes":""},"categories":[61],"tags":[],"class_list":{"0":"post-69017","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-news"},"_links":{"self":[{"href":"https:\/\/plumeseconomiques.com\/fr\/wp-json\/wp\/v2\/posts\/69017","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/plumeseconomiques.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/plumeseconomiques.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/plumeseconomiques.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/plumeseconomiques.com\/fr\/wp-json\/wp\/v2\/comments?post=69017"}],"version-history":[{"count":0,"href":"https:\/\/plumeseconomiques.com\/fr\/wp-json\/wp\/v2\/posts\/69017\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/plumeseconomiques.com\/fr\/wp-json\/wp\/v2\/media\/69020"}],"wp:attachment":[{"href":"https:\/\/plumeseconomiques.com\/fr\/wp-json\/wp\/v2\/media?parent=69017"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/plumeseconomiques.com\/fr\/wp-json\/wp\/v2\/categories?post=69017"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/plumeseconomiques.com\/fr\/wp-json\/wp\/v2\/tags?post=69017"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}