{"id":20387,"date":"2020-12-28T10:29:32","date_gmt":"2020-12-28T15:29:32","guid":{"rendered":"https:\/\/adf-magazine.com\/?p=20387"},"modified":"2021-01-04T12:25:49","modified_gmt":"2021-01-04T17:25:49","slug":"drones-serao-testados-na-batalha-contra-pragas-de-gafanhotos","status":"publish","type":"post","link":"https:\/\/adf-magazine.com\/pt-pt\/2020\/12\/drones-serao-testados-na-batalha-contra-pragas-de-gafanhotos\/","title":{"rendered":"Drones Ser\u00e3o Testados na Batalha Contra Pragas de Gafanhotos"},"content":{"rendered":"<p>THOMSON REUTERS FOUNDATION<\/p>\n<p>As Na\u00e7\u00f5es Unidas est\u00e3o a testar drones equipados com sensores de mapeamento e atomizadores para usar pesticidas em partes da \u00c1frica Oriental, que est\u00e1 a lutar contra uma invas\u00e3o de gafanhotos do deserto. Centenas de milh\u00f5es de insectos vorazes passaram por Eti\u00f3pia, Qu\u00e9nia e Som\u00e1lia, naquilo que a ONU chamou de pior surto do quarto de s\u00e9culo. Djibouti, Eritreia e Uganda tamb\u00e9m foram afectados.<\/p>\n<p>Os insectos, que podem viajar at\u00e9 150 quil\u00f3metros por dia, amea\u00e7am aumentar a car\u00eancia de alimentos na regi\u00e3o onde perto de 25 milh\u00f5es de pessoas sofrem por tr\u00eas anos consecutivos de secas e cheias, dizem as ag\u00eancias de ajuda humanit\u00e1ria.<\/p>\n<p>Em Fevereiro de 2020, Keith Cressman, oficial s\u00e9nior de previs\u00e3o do comportamento dos gafanhotos na Organiza\u00e7\u00e3o das Na\u00e7\u00f5es Unidas para a Alimenta\u00e7\u00e3o e a Agricultura, disse que seriam testados prot\u00f3tipos que poderiam detectar as pragas via sensores especiais e adaptar a sua velocidade e altura conforme o caso.<\/p>\n<p>\u201cNingu\u00e9m antes j\u00e1 fez isto com gafanhotos do deserto\u201d, disse Cressman. \u201cPor isso, n\u00e3o temos metodologia provada para o uso de drones para pulveriza\u00e7\u00e3o de gafanhotos. J\u00e1 existem pequenos atomizadores para pulverizar, feitos para drones. Mas com os gafanhotos, n\u00f3s simplesmente n\u00e3o sabemos a que altura e a que velocidade voar.\u201d<\/p>\n<p>Oficiais quenianos dizem que os drones podem desempenhar um papel importante na provis\u00e3o de alerta antecipado quando as pragas de gafanhotos chegarem numa zona.<\/p>\n<p>\u201cCada condado precisa de uma aeronave, mas n\u00f3s apenas temos cinco neste momento e eles podem apenas estar num \u00fanico lugar de cada vez\u201d, disse David Mwangi, respons\u00e1vel pela protec\u00e7\u00e3o das plantas no Minist\u00e9rio de Agricultura do Qu\u00e9nia. N\u00f3s nunca utilizamos os nossos drones antes, mas eu penso que vale a pena test\u00e1-los visto que podem ajudar.\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"<p>THOMSON REUTERS FOUNDATION As Na\u00e7\u00f5es Unidas est\u00e3o a testar drones equipados com sensores de mapeamento e atomizadores para usar pesticidas em partes da \u00c1frica Oriental, que est\u00e1 a lutar contra uma invas\u00e3o de gafanhotos do deserto. Centenas de milh\u00f5es de insectos vorazes passaram por Eti\u00f3pia, Qu\u00e9nia e Som\u00e1lia, naquilo que a ONU chamou de pior<\/p>\n","protected":false},"author":1,"featured_media":19991,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[338,335],"tags":[],"class_list":{"0":"post-20387","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-africa-hoje","8":"category-colunas"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Drones Ser\u00e3o Testados na Batalha Contra Pragas de Gafanhotos - Africa Defense Forum<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/adf-magazine.com\/2020\/12\/drones-to-be-tested-in-battle-against-locust-swarms\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Drones Ser\u00e3o Testados na Batalha Contra Pragas de Gafanhotos - Africa Defense Forum\" \/>\n<meta property=\"og:description\" content=\"THOMSON REUTERS FOUNDATION As Na\u00e7\u00f5es Unidas est\u00e3o a testar drones equipados com sensores de mapeamento e atomizadores para usar pesticidas em partes da \u00c1frica Oriental, que est\u00e1 a lutar contra uma invas\u00e3o de gafanhotos do deserto. 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