{"id":3681,"date":"2020-08-03T15:33:27","date_gmt":"2020-08-03T15:33:27","guid":{"rendered":"https:\/\/www.isocfoundation.org\/story\/tackling-zimbabwes-urban-food-insecurity-through-the-internet-of-things\/"},"modified":"2020-08-03T15:53:19","modified_gmt":"2020-08-03T15:53:19","slug":"tackling-zimbabwes-urban-food-insecurity-through-the-internet-of-things","status":"publish","type":"story","link":"https:\/\/www.isocfoundation.org\/fr\/story\/tackling-zimbabwes-urban-food-insecurity-through-the-internet-of-things\/","title":{"rendered":"Combattre l&rsquo;ins\u00e9curit\u00e9 alimentaire dans les villes du Zimbabwe gr\u00e2ce aux objets connect\u00e9s"},"content":{"rendered":"\n<p>Apr\u00e8s des d\u00e9cennies de d\u00e9clin continu, la faim dans le monde s&rsquo;accro\u00eet \u00e0 nouveau. On estime \u00e0 821 millions le nombre de personnes dans le monde qui souffraient de la faim en 2018, et l&rsquo;Afrique demeure le continent le plus touch\u00e9 par l&rsquo;ins\u00e9curit\u00e9 alimentaire.<\/p>\n\n\n\n<p>De m\u00eame que les autres bidonvilles urbains partout dans le monde, le bidonville tr\u00e8s dens\u00e9ment peupl\u00e9 de Mbare, au Zimbabwe, est confront\u00e9 \u00e0 de nombreuses difficult\u00e9s qui r\u00e9duisent l&rsquo;acc\u00e8s \u00e0 l&rsquo;alimentation pour la communaut\u00e9. Il s&rsquo;agit notamment de la raret\u00e9 des terres cultivables, du manque de connaissances sur les fa\u00e7ons d&rsquo;utiliser les technologies pour am\u00e9liorer les r\u00e9coltes, du fort taux de ch\u00f4mage et du manque d&rsquo;int\u00e9r\u00eat pour l&rsquo;agriculture, en particulier chez les jeunes.<\/p>\n\n\n\n<p>En r\u00e9ponse \u00e0 ces d\u00e9fis, une \u00e9quipe d&rsquo;\u00e9tudiants d\u00e9veloppe une solution novatrice : des cultures aquaponiques en milieu urbain qui utilisent les objets connect\u00e9s pour am\u00e9liorer l&rsquo;autosuffisance alimentaire \u00e0 Mbare. Men\u00e9 par le chapitre du Zimbabwe de l&rsquo;Internet Society avec l&rsquo;aide de l&rsquo;universit\u00e9 du Zimbabwe, de l&rsquo;espace de cr\u00e9ation du lyc\u00e9e St Peter&rsquo;s et du I Am Mbare Youth Development Centre, ce projet a d\u00e9but\u00e9 en 2018 gr\u00e2ce \u00e0 une bourse de 30 000 $ du&nbsp;<a href=\"https:\/\/www.isocfoundation.org\/fr\/grant-programme\/programme-de-grandes-bourses-de-beyond-the-net\/\">programme Beyond the Net<\/a>&nbsp;de la Fondation Internet Society.<\/p>\n\n\n\n<p>Un ensemble de deux m\u00e8tres de haut, constitu\u00e9 de structures ressemblant \u00e0 des conteneurs, de pompes \u00e0 eau, de canalisations et de plates-bandes en granit occupe un espace auparavant inoccup\u00e9 pr\u00e8s du d\u00e9partement de chimie de l&rsquo;universit\u00e9 du Zimbabwe. De petits poissons nagent dans les conteneurs, en c\u00f4toyant plusieurs esp\u00e8ces de plantes dans des pots qui s&rsquo;\u00e9panouiront bient\u00f4t en plants de colza, fraisiers et \u00e9pinards.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"974\" height=\"535\" src=\"https:\/\/www.isocfoundation.org\/wp-content\/uploads\/2020\/03\/Picture1.png\" alt=\"The Aquaponics unit at the University of Zimbabwe is soon to be replicated in Mbare. \" class=\"wp-image-2672\" srcset=\"https:\/\/www.isocfoundation.org\/wp-content\/uploads\/2020\/03\/Picture1.png 974w, https:\/\/www.isocfoundation.org\/wp-content\/uploads\/2020\/03\/Picture1-300x165.png 300w, https:\/\/www.isocfoundation.org\/wp-content\/uploads\/2020\/03\/Picture1-768x422.png 768w\" sizes=\"auto, (max-width: 974px) 100vw, 974px\" \/><figcaption>L&rsquo;ensemble aquaponique de l&rsquo;universit\u00e9 du Zimbabwe sera bient\u00f4t reproduit \u00e0 Mbare.<\/figcaption><\/figure>\n\n\n\n<p>L&rsquo;aquaponie associe&nbsp;<a href=\"https:\/\/en.wikipedia.org\/wiki\/Aquaculture\">aquaculture<\/a>&nbsp;(\u00e9levage d&rsquo;<a href=\"https:\/\/en.wikipedia.org\/wiki\/Aquatic_animal\">animaux aquatiques,<\/a>&nbsp;comme les poissons) et hydroponie (culture de plantes dans l&rsquo;eau) dans un environnement mutuellement b\u00e9n\u00e9fique. Ces deux \u00e9l\u00e9ments interagissent \u00e0 travers l&rsquo;eau qui circule de l&rsquo;un \u00e0 l&rsquo;autre. Les plantes et les poissons grandissent simultan\u00e9ment, et les d\u00e9jections des poissons sont transform\u00e9es en nitrates qui servent d&rsquo;engrais aux plantes, tandis que celles-ci filtrent et nettoient l&rsquo;eau pour les poissons.<\/p>\n\n\n\n<p>Au Zimbabwe, les \u00e9tudiants de l&rsquo;espace de cr\u00e9ation de Mbare ont m\u00eame fait mieux encore, en mettant en place un contr\u00f4le de leur syst\u00e8me aquaponique par des objets connect\u00e9s. Parmi les appareils simples mais puissants utilis\u00e9s, on trouve notamment un microcontr\u00f4leur Aurdino Uno qui sert de cerveau \u00e0 ces op\u00e9rations, des capteurs qui d\u00e9tectent les changements dans le syst\u00e8me, un cluster d&rsquo;ordinateurs \u00e0 carte unique Raspberry Pi faisant office de mini-centre de donn\u00e9es, et un r\u00e9seau \u00e0 longue port\u00e9e qui r\u00e9unit les \u00e9l\u00e9ments d&rsquo;aquaponie.<\/p>\n\n\n\n<p>Le microcontr\u00f4leur contr\u00f4le les aquariums en envoyant les donn\u00e9es re\u00e7ues de ses capteurs aux ordinateurs situ\u00e9s dans le laboratoire des \u00e9tudiants. Qu&rsquo;ils soient sur le campus ou au centre de cr\u00e9ation de Mbare, \u00e0 10 km de l\u00e0, les \u00e9tudiants re\u00e7oivent les alertes importantes sur le syst\u00e8me, notamment sur la temp\u00e9rature de l&rsquo;eau, le niveau de pH et les \u00e9ventuels probl\u00e8mes tels que des fuites. Cette configuration permet une surveillance constante gr\u00e2ce aux donn\u00e9es transf\u00e9r\u00e9es en temps r\u00e9el vers un ordinateur portable ou un t\u00e9l\u00e9phone.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\u00ab Il est d\u00e9sormais plus facile de cr\u00e9er des syst\u00e8mes aquaponiques gr\u00e2ce aux tutoriels sur YouTube. Mais ces informations ne sont pas accessibles \u00e0 la plupart des habitants de Mbare. Cette bourse nous a permis de concevoir un mod\u00e8le \u00e9volutif que nous utiliserons pour apprendre \u00e0 la communaut\u00e9 \u00e0 installer ses propres syst\u00e8mes de mani\u00e8re coop\u00e9rative, ce qui lui permettra \u00e0 terme de produire sa propre nourriture \u00e0 grande \u00e9chelle. \u00bb\u00a0<\/p><cite>Solomon Kembo, responsable du projet Aquaponie et ma\u00eetre de conf\u00e9rences en g\u00e9nie logiciel \u00e0 l&rsquo;universit\u00e9 du Zimbabwe.<\/cite><\/blockquote>\n\n\n\n<figure class=\"wp-block-embed-youtube wp-block-embed is-type-video is-provider-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n <iframe loading=\"lazy\" title=\"Offgrid IoT Urban Farming Project\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/UrVJLhifd4c?start=56&#038;feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p>En \u00e9laborant ce mod\u00e8le, l&rsquo;\u00e9quipe a effectu\u00e9 plusieurs ajustements afin de l&rsquo;adapter \u00e0 son environnement sp\u00e9cifique. Elle a utilis\u00e9 des panneaux solaires pour tirer parti de l&rsquo;abondant ensoleillement du Zimbabwe et ne pas d\u00e9pendre de l&rsquo;instable r\u00e9seau \u00e9lectrique national. Le syst\u00e8me en lui-m\u00eame a \u00e9t\u00e9 construit en hauteur plut\u00f4t qu&rsquo;en largeur, afin de prendre le moins d&rsquo;espace au sol possible et d&rsquo;\u00eatre adapt\u00e9 \u00e0 l&rsquo;environnement de Mbare, o\u00f9 les r\u00e9sidents vivent dans des quartiers surpeupl\u00e9s avec de tr\u00e8s petites cours.<\/p>\n\n\n\n<p>\u00ab Nous avons mis le code du projet en ligne sur une plateforme open source, GitHub, afin de pouvoir apprendre des meilleurs et permettre \u00e0 d&rsquo;autres personnes de copier notre travail \u00bb, explique Gabriel Matemba, l&rsquo;un des \u00e9tudiants responsables du projet, originaire de Mbare. Rayonnant de fiert\u00e9, il montre le troph\u00e9e re\u00e7u au nom de l&rsquo;\u00e9quipe pour la 2<sup>e<\/sup>\u00a0place remport\u00e9e par le projet Aquaponie \u00e0 la Clean Tech Competition de 2019, un prestigieux concours de recherche et de conception pour lyc\u00e9ens qui se tient chaque ann\u00e9e \u00e0 New York. \u00a0<\/p>\n\n\n\n<p>La cr\u00e9ation du laboratoire informatique o\u00f9 les \u00e9tudiants surveillent le syst\u00e8me, acte fondateur du projet Aquaponie, a \u00e9t\u00e9 rendue possible en 2016 gr\u00e2ce \u00e0\u00a0<a href=\"https:\/\/www.internetsociety.org\/blog\/2016\/06\/planting-the-seeds-of-the-internet-of-things-in-africa\/\">une pr\u00e9c\u00e9dente bourse de Beyond the Net<\/a>. Il r\u00e8gne une franche camaraderie au sein de l&rsquo;\u00e9quipe d&rsquo;\u00e9tudiants qui vivent pour certains \u00e0 Mbare et pour d&rsquo;autres ailleurs dans la ville. Unis par la passion et les talents qu&rsquo;ils ont en commun, ils forment une \u00e9quipe \u00e0 l&rsquo;esprit collaboratif, en s&rsquo;enseignant mutuellement diff\u00e9rents langages de programmation et en s&rsquo;encourageant les uns les autres.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\u00ab J&rsquo;adore venir \u00e0 l&rsquo;espace de cr\u00e9ation, car nous y utilisons des technologies pour r\u00e9soudre des probl\u00e8mes graves auxquels est confront\u00e9e notre communaut\u00e9, tout en apprenant chaque jour \u00e9norm\u00e9ment de nos conseillers, mais aussi des autres membres de l&rsquo;\u00e9quipe. \u00bb<\/p><cite>Perpetual Sanyangore, r\u00e9cemment dipl\u00f4m\u00e9e de St Peter&rsquo;s. Elle continue de se rendre r\u00e9guli\u00e8rement \u00e0 l&rsquo;espace de cr\u00e9ation en attendant le r\u00e9sultat de ses demandes d&rsquo;inscription universitaires.<\/cite><\/blockquote>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"974\" height=\"568\" src=\"https:\/\/www.isocfoundation.org\/wp-content\/uploads\/2020\/03\/makerspace.png\" alt=\" \" class=\"wp-image-2678\" srcset=\"https:\/\/www.isocfoundation.org\/wp-content\/uploads\/2020\/03\/makerspace.png 974w, https:\/\/www.isocfoundation.org\/wp-content\/uploads\/2020\/03\/makerspace-300x175.png 300w, https:\/\/www.isocfoundation.org\/wp-content\/uploads\/2020\/03\/makerspace-768x448.png 768w\" sizes=\"auto, (max-width: 974px) 100vw, 974px\" \/><figcaption>The student team and their advisors gathered in the Mbare Makerspace. <\/figcaption><\/figure>\n\n\n\n<p>Maintenant que la phase de test est termin\u00e9e, la prochaine \u00e9tape sera de mettre en place un syst\u00e8me de culture urbaine en aquaponie enti\u00e8rement fonctionnel dans la communaut\u00e9, en impliquant les familles ayant \u00e0 leur t\u00eate une veuve ou un enfant. Les participants seront form\u00e9s \u00e0 l&rsquo;utilisation des donn\u00e9es et d&rsquo;Internet pour contr\u00f4ler le syst\u00e8me, puis mettront ces connaissances en pratique pour produire du poisson et des l\u00e9gumes pour leur consommation personnelle, ainsi qu&rsquo;un exc\u00e9dent pour la vente. L&rsquo;objectif \u00e0 long terme est d&rsquo;attirer davantage de membres de la communaut\u00e9 vers la culture urbaine aquaponique, afin de r\u00e9duire l&rsquo;ins\u00e9curit\u00e9 alimentaire et, \u00e0 terme, de rendre les communaut\u00e9s urbaines plus r\u00e9silientes et durables.\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Apr\u00e8s des d\u00e9cennies de d\u00e9clin continu, la faim dans le monde s&rsquo;accro\u00eet \u00e0 nouveau. On estime \u00e0 821 millions le nombre de personnes dans le monde qui souffraient de la faim en 2018, et l&rsquo;Afrique demeure le continent le plus touch\u00e9 par l&rsquo;ins\u00e9curit\u00e9 alimentaire. De m\u00eame que les autres bidonvilles urbains partout dans le monde,&hellip;<\/p>\n","protected":false},"featured_media":2676,"template":"","programme-area":[114],"class_list":["post-3681","story","type-story","status-publish","has-post-thumbnail","hentry","programme-area-beyond-the-net-fr"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Combattre l&#039;ins\u00e9curit\u00e9 alimentaire dans les villes du Zimbabwe gr\u00e2ce aux objets connect\u00e9s | Internet Society Foundation<\/title>\n<meta name=\"description\" content=\"aquaponic urban farming as solution to address food insecurity in Zimbabwe\" \/>\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.isocfoundation.org\/fr\/story\/tackling-zimbabwes-urban-food-insecurity-through-the-internet-of-things\/\" \/>\n<meta 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