{"id":72139,"date":"2025-10-29T12:00:00","date_gmt":"2025-10-29T12:00:00","guid":{"rendered":"https:\/\/www.africa-press.net\/senegal\/politique\/humains-plus-actifs-que-animaux-sauvages-terrestres"},"modified":"2025-10-29T23:55:02","modified_gmt":"2025-10-29T23:55:02","slug":"humains-plus-actifs-que-animaux-sauvages-terrestres","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/humains-plus-actifs-que-animaux-sauvages-terrestres","title":{"rendered":"Humains Plus Actifs que Animaux Sauvages Terrestres"},"content":{"rendered":"<p><span style=\"color: #ff6600\"><strong>Africa-Press &#8211; Senegal. <\/strong><\/span>L\u2019ensemble des humains, rien qu\u2019en marchant, se de\u0301place beaucoup plus chaque jour que tous les animaux sauvages terrestres, selon une e\u0301tude publie\u0301e le 27 octobre, qui montre a\u0300 quel point l\u2019espe\u0300ce humaine marque de son empreinte la surface du globe. Re\u0301alise\u0301e par des biologistes spe\u0301cialistes de l\u2019e\u0301valuation de la biomasse et de son mouvement, cette e\u0301tude est publie\u0301e par la revue Nature Ecology &amp; Evolution.<\/p>\n<p>\u00ab Bien que les animaux sauvages se livrent a\u0300 des migrations remarquables, le mouvement de biomasse des humains de\u0301passe probablement celui de toute la vie sauvage terrestre \u00bb, e\u0301crivent les chercheurs. Celui des humains est estime\u0301 a\u0300 600 gigatonnes-kilome\u0300tres par an. Celui des animaux terrestres, entre moins de 100 et moins de 400 gigatonnes-kilome\u0300tres par an, et, dans les projections les plus optimistes, jusqu\u2019a\u0300 700 gigatonnes-kilome\u0300tres par an. Si on y ajoute les de\u0301placements motorise\u0301s des humains, la disproportion est encore plus spectaculaire.<\/p>\n<p>\u00ab Le mouvement de biomasse combine\u0301 de tous les oiseaux sauvages, des arthropodes terrestres et des mammife\u0300res sauvages terrestres repre\u0301sente environ un sixie\u0300me de la marche des humains, et est environ 40 fois plus petit que tout le mouvement de biomasse des humains \u00bb, ajoutent ces chercheurs.<\/p>\n<p>\u00ab Me\u0302me les grandes migrations que nous voyons en Afrique dans les documentaires animaliers \u2013 parmi les plus grandes migrations terrestres sur la plane\u0300te \u2013 ne font pas le poids face au mouvement de biomasse humaine provoque\u0301 par les rassemblements de gens du monde entier pour une Coupe du monde \u00bb, commente dans un communique\u0301 un biologiste de l\u2019Institut Weizmann des sciences (Israe\u0308l), Ron Milo.<\/p>\n<p><b>La marche pourtant peu utilise\u0301e<\/b><\/p>\n<p>\u00ab La marche repre\u0301sente a\u0300 peu pre\u0300s un septie\u0300me du mouvement de biomasse humaine \u00bb, selon l\u2019e\u0301tude. C\u2019est beaucoup moins que les ve\u0301hicules et cyclomoteurs (environ 65%), mais plus que les avions (10%) et les transports sur rail (5%). Les mouvements humains ne sont comparables qu\u2019avec ceux du plancton et des poissons en dessous de 200 me\u0300tres de profondeur, des espe\u0300ces qui composent la majorite\u0301 de la biomasse animale de la plane\u0300te.<\/p>\n<p>L\u2019e\u0301tude e\u0301tablit des comparaisons entre notre pre\u0301sent et 1850, souvent e\u0301voque\u0301 comme le de\u0301but de l\u2019e\u0300re industrielle et date a\u0300 laquelle la Terre comptait 1,2 milliard d\u2019habitants, contre 8,2 milliards aujourd\u2019hui. \u00ab Les oce\u0301ans dans leur ensemble ont perdu quelque 60% de leurs mouvements de biomasse depuis 1850, principalement a\u0300 cause de la pe\u0302che et de la chasse a\u0300 la baleine industrielles \u00bb, estiment les chercheurs.<\/p>\n<p><strong>Pour plus d&rsquo;informations et d&rsquo;analyses sur la <span style=\"color: #ff6600\">Senegal<\/span>, suivez <span style=\"color: #ff6600\">Africa-Press<\/span><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Africa-Press &#8211; Senegal. L\u2019ensemble des humains, rien qu\u2019en marchant, se de\u0301place beaucoup plus chaque jour que tous les animaux sauvages terrestres, selon une e\u0301tude publie\u0301e le 27 octobre, qui montre a\u0300 quel point l\u2019espe\u0300ce humaine marque de son empreinte la surface du globe. Re\u0301alise\u0301e par des biologistes spe\u0301cialistes de l\u2019e\u0301valuation de la biomasse et de [&hellip;]<\/p>\n","protected":false},"author":82,"featured_media":72138,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[44],"class_list":["post-72139","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-toutes-les-actualites","tag-senegal-2"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.1 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Humains Plus Actifs que Animaux Sauvages Terrestres - Senegal<\/title>\n<meta name=\"description\" content=\"L\u2019ensemble des humains, rien qu\u2019en marchant, se de\u0301place beaucoup plus chaque jour que tous les animaux sauvages terrest ...\" \/>\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.africa-press.net\/senegal\/toutes-les-actualites\/humains-plus-actifs-que-animaux-sauvages-terrestres\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Humains Plus Actifs que Animaux Sauvages Terrestres\" \/>\n<meta property=\"og:description\" content=\"L\u2019ensemble des humains, rien qu\u2019en marchant, se de\u0301place beaucoup plus chaque jour que tous les animaux sauvages terrest ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/humains-plus-actifs-que-animaux-sauvages-terrestres\" \/>\n<meta property=\"og:site_name\" content=\"Senegal\" \/>\n<meta property=\"article:published_time\" content=\"2025-10-29T12:00:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-10-29T23:55:02+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/static.africa-press.net\/senegal\/sites\/13\/2025\/10\/sm_1761810849.642864.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1280\" \/>\n\t<meta property=\"og:image:height\" content=\"720\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"cfeditorfr\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"cfeditorfr\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/humains-plus-actifs-que-animaux-sauvages-terrestres#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/humains-plus-actifs-que-animaux-sauvages-terrestres\"},\"author\":{\"name\":\"cfeditorfr\",\"@id\":\"https:\/\/www.africa-press.net\/senegal\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1\"},\"headline\":\"Humains Plus Actifs que Animaux Sauvages Terrestres\",\"datePublished\":\"2025-10-29T12:00:00+00:00\",\"dateModified\":\"2025-10-29T23:55:02+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/humains-plus-actifs-que-animaux-sauvages-terrestres\"},\"wordCount\":451,\"commentCount\":0,\"image\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/humains-plus-actifs-que-animaux-sauvages-terrestres#primaryimage\"},\"thumbnailUrl\":\"https:\/\/static.africa-press.net\/senegal\/sites\/13\/2025\/10\/sm_1761810849.642864.jpg\",\"keywords\":[\"Senegal\"],\"articleSection\":[\"Divers\",\"Toutes les actualit\u00e9s\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/humains-plus-actifs-que-animaux-sauvages-terrestres#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/humains-plus-actifs-que-animaux-sauvages-terrestres\",\"url\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/humains-plus-actifs-que-animaux-sauvages-terrestres\",\"name\":\"Humains Plus Actifs que Animaux Sauvages Terrestres - 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