{"id":144330,"date":"2021-04-07T13:30:31","date_gmt":"2021-04-07T16:30:31","guid":{"rendered":"https:\/\/espacoecologico.com.br\/arquivo\/?p=144330"},"modified":"2021-04-07T12:14:13","modified_gmt":"2021-04-07T15:14:13","slug":"praga-de-gafanhotos-assolou-a-africa-oriental-combate-la-com-agrotoxicos-traz-novos-problemas","status":"publish","type":"post","link":"https:\/\/espacoecologico.com.br\/arquivo\/praga-de-gafanhotos-assolou-a-africa-oriental-combate-la-com-agrotoxicos-traz-novos-problemas\/","title":{"rendered":"Praga de gafanhotos assolou a \u00c1frica Oriental \u2013 combat\u00ea-la com agrot\u00f3xicos traz novos problemas"},"content":{"rendered":"<h2 class=\"css-ju6on1\"><a href=\"https:\/\/espacoecologico.com.br\/arquivo\/wp-content\/uploads\/2021\/04\/gafanhoto.jpg\"><img loading=\"lazy\" class=\"alignleft size-medium wp-image-144331\" src=\"https:\/\/espacoecologico.com.br\/arquivo\/wp-content\/uploads\/2021\/04\/gafanhoto-300x192.jpg\" alt=\"\" width=\"300\" height=\"192\" srcset=\"https:\/\/espacoecologico.com.br\/arquivo\/wp-content\/uploads\/2021\/04\/gafanhoto-300x192.jpg 300w, https:\/\/espacoecologico.com.br\/arquivo\/wp-content\/uploads\/2021\/04\/gafanhoto.jpg 415w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>O uso intenso de agrot\u00f3xicos de amplo espectro parece ter retardado a invas\u00e3o de gafanhotos-do-deserto. Ainda n\u00e3o se sabe ao certo quais s\u00e3o as repercuss\u00f5es dessa abordagem.<\/h2>\n<div class=\"gr-wrap ngart__group\">\n<div class=\"ngart__main-col\">\n<div class=\"paragraph\">\n<div>\n<p>Nuvens de gafanhotos s\u00e3o aterrorizantes e terr\u00edveis. Come\u00e7am como uma mancha escura no horizonte, depois uma enorme sombra escura. Um leve bater de asas transforma-se em um barulho crescente conforme milh\u00f5es de insetos vorazes, amarelos-vivos e do tamanho de um dedo assolam a regi\u00e3o. Desde o fim de 2019, vastas nuvens de gafanhotos cobriram o Chifre da \u00c1frica, devorando planta\u00e7\u00f5es e pastagens \u2013 e desencadeando uma opera\u00e7\u00e3o de propor\u00e7\u00f5es surpreendentes para rastre\u00e1-los e extermin\u00e1-los.<\/p>\n<p>At\u00e9 o momento, uma campanha de pulveriza\u00e7\u00e3o terrestre e a\u00e9rea em oito pa\u00edses da \u00c1frica Oriental, coordenada pela Organiza\u00e7\u00e3o das Na\u00e7\u00f5es Unidas para Agricultura e Alimenta\u00e7\u00e3o (FAO, na sigla em ingl\u00eas), evitou o pior: a perspectiva muito prov\u00e1vel de que os gafanhotos destruiriam o suprimento de alimentos de milh\u00f5es de pessoas. No ano passado, a opera\u00e7\u00e3o protegeu pastagens e estoques de alimentos suficientes, segundo\u00a0<a href=\"http:\/\/www.fao.org\/3\/cb3395en\/cb3395en.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">os c\u00e1lculos da FAO<\/a>, para alimentar 28 milh\u00f5es de pessoas no Grande Chifre da \u00c1frica e no I\u00eamen por um ano inteiro.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"ngart__side-col\">\n<div class=\"ngart__side-inner article-sticky\">\n<div class=\"ngart__ad-col\">\n<div class=\"ngart__side-ad\">\n<div id=\"gpt--article_side__0--53434\" class=\"css-11xmhrb\" data-google-query-id=\"CJrxo7Oz7O8CFVQ3uQYdYQAN6w\">\n<div id=\"google_ads_iframe_\/21783347309\/natgeo\/nationalgeographicbrasil.com\/web\/environment_1__container__\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"ngart-img ngart-img--large\">\n<div class=\"ngart-img__cntr\" tabindex=\"0\" role=\"button\"><picture class=\"resp-img-cntr css-xdbfd6\"><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david-chancellor_150221_dscf0701.webp?w=320&amp;h=240\" type=\"image\/webp\" media=\"(max-width: 320px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david-chancellor_150221_dscf0701.webp?w=360&amp;h=270\" type=\"image\/webp\" media=\"(max-width: 360px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david-chancellor_150221_dscf0701.webp?w=430&amp;h=323\" type=\"image\/webp\" media=\"(max-width: 430px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david-chancellor_150221_dscf0701.webp?w=500&amp;h=375\" type=\"image\/webp\" media=\"(max-width: 500px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david-chancellor_150221_dscf0701.webp?w=768&amp;h=576\" type=\"image\/webp\" media=\"(max-width: 768px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david-chancellor_150221_dscf0701.webp?w=900&amp;h=675\" type=\"image\/webp\" media=\"(max-width: 900px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david-chancellor_150221_dscf0701.webp?w=1024&amp;h=768\" type=\"image\/webp\" media=\"(max-width: 1024px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david-chancellor_150221_dscf0701.webp?w=1150&amp;h=863\" type=\"image\/webp\" media=\"(max-width: 1150px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david-chancellor_150221_dscf0701.webp?w=1280&amp;h=960\" type=\"image\/webp\" media=\"(max-width: 1280px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david-chancellor_150221_dscf0701.webp?w=1450&amp;h=1088\" type=\"image\/webp\" media=\"(max-width: 1450px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david-chancellor_150221_dscf0701.webp?w=1600&amp;h=1200\" type=\"image\/webp\" media=\"(max-width: 1600px)\" \/><source title=\"locust-swarm-02\" srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david-chancellor_150221_dscf0701.webp?w=1600&amp;h=1200\" type=\"image\/webp\" \/><img loading=\"lazy\" class=\"\" title=\"locust-swarm-02\" src=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david-chancellor_150221_dscf0701.jpg?w=1600&amp;h=1200\" alt=\"locust-swarm-02\" width=\"640\" height=\"480\" \/><\/picture><\/div>\n<div class=\"ngart-img__cont\">\n<div class=\"ngart-img__cont__copy\">\n<p>\u00c1guia-das-estepes, uma grande ave de rapina cuja dieta \u00e9 composta por roedores, outros pequenos mam\u00edferos, enxames de insetos e carni\u00e7a, sobrevoa o centro de um enxame de gafanhotos-do-deserto no santu\u00e1rio de animais Lewa Wildlife Conservancy, ao norte do Qu\u00eania.<\/p>\n<\/div>\n<div class=\"ngart-img__cont__author\">FOTO DE\u00a0<span class=\"ngart-img__cont--strong\">DAVID CHANCELLOR<\/span><\/div>\n<\/div>\n<\/div>\n<div class=\"gr-wrap ngart__group\">\n<div class=\"ngart__main-col\">\n<div class=\"ngart-img ngart-img--medium\">\n<div class=\"ngart-img__cntr\" tabindex=\"0\" role=\"button\"><picture class=\"resp-img-cntr css-xdbfd6\"><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david-chancellor_140221_dscf0722.webp?w=320&amp;h=240\" type=\"image\/webp\" media=\"(max-width: 320px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david-chancellor_140221_dscf0722.webp?w=360&amp;h=270\" type=\"image\/webp\" media=\"(max-width: 360px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david-chancellor_140221_dscf0722.webp?w=430&amp;h=323\" type=\"image\/webp\" media=\"(max-width: 430px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david-chancellor_140221_dscf0722.webp?w=500&amp;h=375\" type=\"image\/webp\" media=\"(max-width: 500px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david-chancellor_140221_dscf0722.webp?w=768&amp;h=576\" type=\"image\/webp\" media=\"(max-width: 768px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david-chancellor_140221_dscf0722.webp?w=900&amp;h=675\" type=\"image\/webp\" media=\"(max-width: 900px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david-chancellor_140221_dscf0722.webp?w=1024&amp;h=768\" type=\"image\/webp\" media=\"(max-width: 1024px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david-chancellor_140221_dscf0722.webp?w=664&amp;h=498\" type=\"image\/webp\" media=\"(max-width: 1280px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david-chancellor_140221_dscf0722.webp?w=710&amp;h=533\" type=\"image\/webp\" media=\"(max-width: 1600px)\" \/><source title=\"locust-swarm-03\" srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david-chancellor_140221_dscf0722.webp?w=710&amp;h=533\" type=\"image\/webp\" \/><img loading=\"lazy\" class=\"\" title=\"locust-swarm-03\" src=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david-chancellor_140221_dscf0722.jpg?w=710&amp;h=533\" alt=\"locust-swarm-03\" width=\"639\" height=\"480\" \/><\/picture><\/div>\n<div class=\"ngart-img__cont\">\n<div class=\"ngart-img__cont__copy\">\n<p>Vista do centro de um enxame de gafanhotos no Lewa Wildlife Conservancy. O tamanho dos enxames pode variar entre pouco mais um quil\u00f4metro quadrado e quase 1,2 mil quil\u00f4metros quadrados e podem conter entre 40 e 80 milh\u00f5es de gafanhotos.<\/p>\n<\/div>\n<div class=\"ngart-img__cont__author\">FOTO DE\u00a0<span class=\"ngart-img__cont--strong\">DAVID CHANCELLOR<\/span><\/div>\n<\/div>\n<\/div>\n<div class=\"ngart-img ngart-img--medium\">\n<div class=\"ngart-img__cntr\" tabindex=\"0\" role=\"button\"><picture class=\"resp-img-cntr css-xdbfd6\"><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor-140221_dscf0373.webp?w=320&amp;h=240\" type=\"image\/webp\" media=\"(max-width: 320px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor-140221_dscf0373.webp?w=360&amp;h=270\" type=\"image\/webp\" media=\"(max-width: 360px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor-140221_dscf0373.webp?w=430&amp;h=323\" type=\"image\/webp\" media=\"(max-width: 430px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor-140221_dscf0373.webp?w=500&amp;h=375\" type=\"image\/webp\" media=\"(max-width: 500px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor-140221_dscf0373.webp?w=768&amp;h=576\" type=\"image\/webp\" media=\"(max-width: 768px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor-140221_dscf0373.webp?w=900&amp;h=675\" type=\"image\/webp\" media=\"(max-width: 900px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor-140221_dscf0373.webp?w=1024&amp;h=768\" type=\"image\/webp\" media=\"(max-width: 1024px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor-140221_dscf0373.webp?w=664&amp;h=498\" type=\"image\/webp\" media=\"(max-width: 1280px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor-140221_dscf0373.webp?w=710&amp;h=533\" type=\"image\/webp\" media=\"(max-width: 1600px)\" \/><source title=\"locust-swarm-04\" srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor-140221_dscf0373.webp?w=710&amp;h=533\" type=\"image\/webp\" \/><img loading=\"lazy\" class=\"\" title=\"locust-swarm-04\" src=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor-140221_dscf0373.jpg?w=710&amp;h=533\" alt=\"locust-swarm-04\" width=\"639\" height=\"480\" \/><\/picture><\/div>\n<div class=\"ngart-img__cont\">\n<div class=\"ngart-img__cont__copy\">\n<p>Enxame de gafanhotos reunido sobre ac\u00e1cia na reserva Borana Wildlife Conservancy, ao norte do Qu\u00eania, onde os insetos se empoleiram durante a noite.<\/p>\n<\/div>\n<div class=\"ngart-img__cont__author\">FOTO DE\u00a0<span class=\"ngart-img__cont--strong\">DAVID CHANCELLOR<\/span><\/div>\n<\/div>\n<\/div>\n<div class=\"paragraph\">\n<div>\n<p>Mas os avan\u00e7os trazem consequ\u00eancias ambientais ainda desconhecidas, e os agentes v\u00eam buscando encontrar o dif\u00edcil equil\u00edbrio entre erradicar as pragas invasoras sem destruir a folhagem e prejudicar outros insetos, animais silvestres e humanos. O norte do Qu\u00eania \u00e9 conhecido mundialmente por sua diversidade de abelhas, e produtores rurais e conservacionistas temem que as abelhas estejam morrendo.<\/p>\n<p>At\u00e9 o momento,\u00a0<a href=\"http:\/\/www.fao.org\/locusts\/response-overview-dashboard\/en\/\" target=\"_blank\" rel=\"noopener noreferrer\">2,3 milh\u00f5es de litros<\/a>\u00a0de agrot\u00f3xicos foram pulverizados sobre 1,9 milh\u00e3o de hectares a um custo de US$ 195 milh\u00f5es, ou mais de R$ 1 bi, segundo a FAO. A pulveriza\u00e7\u00e3o deve prosseguir neste ano.<\/p>\n<p>As avalia\u00e7\u00f5es de eventuais danos ambientais s\u00e3o, na melhor das hip\u00f3teses, incompletas, embora os efeitos dos agrot\u00f3xicos tenham sido bastante documentados por d\u00e9cadas em outros ambientes. Agrot\u00f3xicos de amplo espectro s\u00e3o muito eficazes para matar gafanhotos, mas tamb\u00e9m para matar abelhas e outros insetos. Eles contaminam os sistemas h\u00eddricos e podem prejudicar a sa\u00fade humana.<\/p>\n<p>\u201c\u00c9 evidente que h\u00e1 danos colaterais\u201d, afirma Dino Martins, entomologista e diretor executivo do\u00a0<a href=\"https:\/\/mpala.org\/\" target=\"_blank\" rel=\"noopener noreferrer\">Centro de Pesquisas Mpala<\/a>,\u00a0no Qu\u00eania. \u201cTodos esses produtos qu\u00edmicos s\u00e3o projetados para matar insetos em grandes quantidades.\u201d<\/p>\n<h3>Pego de surpresa<\/h3>\n<p>O Qu\u00eania n\u00e3o sofria uma grande invas\u00e3o de gafanhotos h\u00e1 70 anos. Quando os primeiros enxames chegaram em 2019, o pa\u00eds estava extremamente despreparado para o que havia sido considerado, razoavelmente, uma amea\u00e7a remota.<\/p>\n<p>\u201cO pa\u00eds n\u00e3o dispunha de equipamentos, experi\u00eancia, agrot\u00f3xicos, aeronaves, nem conhecimento\u201d, conta\u00a0<a href=\"http:\/\/www.fao.org\/ag\/locusts\/common\/ecg\/1966\/en\/AGPMM_StaffDutiesE.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">Keith Cressman<\/a>, analista s\u00eanior de gafanhotos da FAO.<\/p>\n<p>Os\u00a0<a href=\"https:\/\/www.nationalgeographic.com\/science\/article\/locust-plague-climate-science-east-africa\" target=\"_blank\" rel=\"noopener noreferrer\">enxames<\/a>\u00a0come\u00e7aram a se formar em 2018 depois que ciclones provocaram chuvas intensas nos desertos in\u00f3spitos da Ar\u00e1bia, permitindo que os gafanhotos se reproduzissem nas areias \u00famidas. Os ventos intensos em 2019 sopraram os enxames crescentes a zonas de conflito inacess\u00edveis do I\u00eamen e, em seguida, atravessaram o Mar Vermelho e chegaram \u00e0 Som\u00e1lia, Eti\u00f3pia e Qu\u00eania.<\/p>\n<\/div>\n<\/div>\n<div class=\"ngart-img ngart-img--medium\">\n<div class=\"ngart-img__cntr\" tabindex=\"0\" role=\"button\"><picture class=\"resp-img-cntr css-xdbfd6\"><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf1155.webp?w=320&amp;h=240\" type=\"image\/webp\" media=\"(max-width: 320px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf1155.webp?w=360&amp;h=270\" type=\"image\/webp\" media=\"(max-width: 360px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf1155.webp?w=430&amp;h=323\" type=\"image\/webp\" media=\"(max-width: 430px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf1155.webp?w=500&amp;h=375\" type=\"image\/webp\" media=\"(max-width: 500px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf1155.webp?w=768&amp;h=576\" type=\"image\/webp\" media=\"(max-width: 768px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf1155.webp?w=900&amp;h=675\" type=\"image\/webp\" media=\"(max-width: 900px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf1155.webp?w=1024&amp;h=768\" type=\"image\/webp\" media=\"(max-width: 1024px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf1155.webp?w=664&amp;h=498\" type=\"image\/webp\" media=\"(max-width: 1280px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf1155.webp?w=710&amp;h=533\" type=\"image\/webp\" media=\"(max-width: 1600px)\" \/><source title=\"locust-swarm-05\" srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf1155.webp?w=710&amp;h=533\" type=\"image\/webp\" \/><img loading=\"lazy\" class=\"\" title=\"locust-swarm-05\" src=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf1155.jpg?w=710&amp;h=533\" alt=\"locust-swarm-05\" width=\"639\" height=\"479\" \/><\/picture><\/div>\n<div class=\"ngart-img__cont\">\n<div class=\"ngart-img__cont__copy\">\n<p>Gazelas-de-grant e \u00f3rix, grandes ant\u00edlopes, nas pastagens que lhes servem de alimento, cercados por um enxame de gafanhotos-do-deserto.<\/p>\n<\/div>\n<div class=\"ngart-img__cont__author\">FOTO DE\u00a0<span class=\"ngart-img__cont--strong\">DAVID CHANCELLOR<\/span><\/div>\n<\/div>\n<\/div>\n<div class=\"paragraph\">\n<div>\n<p>Nos primeiros est\u00e1gios da iniciativa para controlar os gafanhotos, o Qu\u00eania recorreu a tudo que estava ao alcance para resolver o problema. \u201cFoi uma rea\u00e7\u00e3o de p\u00e2nico\u201d, conta\u00a0<a href=\"https:\/\/www.linkedin.com\/in\/jweverts\/?originalSubdomain=nl\" target=\"_blank\" rel=\"noopener noreferrer\">James Everts<\/a>, ecotoxicologista holand\u00eas especializado nos efeitos ambientais do uso de agrot\u00f3xicos.<\/p>\n<p>A pulveriza\u00e7\u00e3o prosseguiu at\u00e9 mesmo com a propaga\u00e7\u00e3o da pandemia de covid-19 que isolou grande parte do mundo. Com m\u00e1scaras faciais contra o novo coronav\u00edrus, centenas de volunt\u00e1rios locais, bem como membros do\u00a0<a href=\"https:\/\/www.nys.go.ke\/\" target=\"_blank\" rel=\"noopener noreferrer\">Servi\u00e7o Nacional da Juventude do Qu\u00eania<\/a>, equipados com pulverizadores em mochilas nos ombros e com treinamento m\u00ednimo, borrifaram agrot\u00f3xicos, quaisquer que estivessem em estoque, sobre os gafanhotos. Pulverizaram milhares de litros de deltametrina, bem como centenas de litros de fipronil, clorpirif\u00f3s e outros inseticidas, muitos dos quais o uso \u00e9 proibido na Europa e em algumas regi\u00f5es dos Estados Unidos.<\/p>\n<p>Em um caso documentado na regi\u00e3o norte de Turkana, uma equipe de controle de campo pulverizou 34 vezes a dose recomendada de agrot\u00f3xico em um terreno, matando abelhas e besouros enquanto os agrot\u00f3xicos caiam sobre a equipe e planta\u00e7\u00f5es.<\/p>\n<p>\u201cNo in\u00edcio, foi uma medida emergencial\u201d, observa Thecla Mutia, l\u00edder de uma equipe da FAO que monitora os efeitos ambientais das iniciativas de controle de gafanhotos no Qu\u00eania. \u201cO objetivo era aplicar os agrot\u00f3xicos o quanto antes para garantir a seguran\u00e7a alimentar.\u201d<\/p>\n<h3><strong>Agrot\u00f3xicos proibidos na Europa e nos Estados Unidos<\/strong><\/h3>\n<p>Feitos para matar, os agrot\u00f3xicos s\u00e3o t\u00f3xicos por defini\u00e7\u00e3o, mas tamb\u00e9m armas contundentes. Tr\u00eas dentre quatro produtos qu\u00edmicos recomendados pela FAO e autorizados por governos regionais \u2013 clorpirif\u00f3s, fenitrotion e malation \u2013 s\u00e3o organofosforados de amplo espectro, agrot\u00f3xicos amplamente empregados, \u00e0s vezes chamados de \u201c<a href=\"https:\/\/www.nationalgeographic.com\/culture\/article\/130718-organophosphates-pesticides-indian-food-poisoning\" target=\"_blank\" rel=\"noopener noreferrer\">agentes neurot\u00f3xicos de grau leve<\/a>\u201d devido a sua semelhan\u00e7a com o g\u00e1s sarin. A deltametrina, o \u00faltimo desses produtos recomendados, \u00e9 um piretroide sint\u00e9tico, especialmente t\u00f3xico a abelhas e peixes, embora muito menos para mam\u00edferos.<\/p>\n<p>O\u00a0<a href=\"http:\/\/www.fao.org\/ag\/locusts\/en\/publicat\/meeting\/topic\/572\/index.html\" target=\"_blank\" rel=\"noopener noreferrer\">Grupo de Avalia\u00e7\u00e3o de Agrot\u00f3xicos\u00a0<\/a>da FAO que analisa agrot\u00f3xicos para uso no controle de gafanhotos, lista todos os quatro produtos qu\u00edmicos como de alto risco para abelhas, risco baixo ou m\u00e9dio para aves e risco m\u00e9dio ou alto para inimigos naturais de gafanhotos e insetos do solo, como formigas e cupins.<\/p>\n<p>A Uni\u00e3o Europeia proibiu o clorpirif\u00f3s no in\u00edcio do ano passado e, nos Estados Unidos, foram impostas proibi\u00e7\u00f5es em Nova York, Calif\u00f3rnia e Hava\u00ed. O fenitrotion tamb\u00e9m est\u00e1 proibido na Europa, mas \u00e9 permitido nos Estados Unidos e na Austr\u00e1lia, onde \u00e9 utilizado como principal arma do governo no combate aos gafanhotos.<\/p>\n<p>\u201cN\u00e3o estamos ocultando que s\u00e3o agrot\u00f3xicos convencionais\u201d, informa Cyril Ferrand, l\u00edder da equipe de resili\u00eancia da FAO em Nair\u00f3bi, que ressalta: fazer nada n\u00e3o era uma op\u00e7\u00e3o diante dos enxames em r\u00e1pida expans\u00e3o. \u201cQueremos reduzir a popula\u00e7\u00e3o de gafanhotos-do-deserto de forma respons\u00e1vel.\u201d<\/p>\n<h3><strong>Alternativas n\u00e3o t\u00f3xicas<\/strong><\/h3>\n<p>Alternativas biol\u00f3gicas n\u00e3o t\u00f3xicas que eliminam gafanhotos, mas n\u00e3o causam danos colaterais, est\u00e3o dispon\u00edveis h\u00e1 d\u00e9cadas. Ainda assim, agrot\u00f3xicos continuam sendo a arma preferida, representando 90% da pulveriza\u00e7\u00e3o na atual campanha da \u00c1frica Oriental.<\/p>\n<p>O desenvolvimento do controle biol\u00f3gico come\u00e7ou no fim da d\u00e9cada de 1980, ap\u00f3s o fim de uma invas\u00e3o de gafanhotos que durou anos e se estendeu do Norte da \u00c1frica at\u00e9 a \u00cdndia.<\/p>\n<\/div>\n<\/div>\n<div class=\"ngart-img ngart-img--medium\">\n<div class=\"ngart-img__cntr\" tabindex=\"0\" role=\"button\"><picture class=\"resp-img-cntr css-xdbfd6\"><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf0755.webp?w=320&amp;h=240\" type=\"image\/webp\" media=\"(max-width: 320px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf0755.webp?w=360&amp;h=270\" type=\"image\/webp\" media=\"(max-width: 360px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf0755.webp?w=430&amp;h=323\" type=\"image\/webp\" media=\"(max-width: 430px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf0755.webp?w=500&amp;h=375\" type=\"image\/webp\" media=\"(max-width: 500px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf0755.webp?w=768&amp;h=576\" type=\"image\/webp\" media=\"(max-width: 768px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf0755.webp?w=900&amp;h=675\" type=\"image\/webp\" media=\"(max-width: 900px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf0755.webp?w=1024&amp;h=768\" type=\"image\/webp\" media=\"(max-width: 1024px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf0755.webp?w=664&amp;h=498\" type=\"image\/webp\" media=\"(max-width: 1280px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf0755.webp?w=710&amp;h=533\" type=\"image\/webp\" media=\"(max-width: 1600px)\" \/><source title=\"locust-swarm-06\" srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf0755.webp?w=710&amp;h=533\" type=\"image\/webp\" \/><img loading=\"lazy\" class=\"\" title=\"locust-swarm-06\" src=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf0755.jpg?w=710&amp;h=533\" alt=\"locust-swarm-06\" width=\"639\" height=\"480\" \/><\/picture><\/div>\n<div class=\"ngart-img__cont\">\n<div class=\"ngart-img__cont__copy\">\n<p>Sob um grupo de ac\u00e1cias, manada de elefantes busca abrigo de um enxame de gafanhotos na reserva Borana Wildlife Conservancy.<\/p>\n<\/div>\n<div class=\"ngart-img__cont__author\">FOTO DE\u00a0<span class=\"ngart-img__cont--strong\">DAVID CHANCELLOR<\/span><\/div>\n<\/div>\n<\/div>\n<div class=\"ngart-img ngart-img--medium\">\n<div class=\"ngart-img__cntr\" tabindex=\"0\" role=\"button\"><picture class=\"resp-img-cntr css-xdbfd6\"><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf0898.webp?w=320&amp;h=240\" type=\"image\/webp\" media=\"(max-width: 320px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf0898.webp?w=360&amp;h=270\" type=\"image\/webp\" media=\"(max-width: 360px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf0898.webp?w=430&amp;h=323\" type=\"image\/webp\" media=\"(max-width: 430px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf0898.webp?w=500&amp;h=375\" type=\"image\/webp\" media=\"(max-width: 500px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf0898.webp?w=768&amp;h=576\" type=\"image\/webp\" media=\"(max-width: 768px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf0898.webp?w=900&amp;h=675\" type=\"image\/webp\" media=\"(max-width: 900px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf0898.webp?w=1024&amp;h=768\" type=\"image\/webp\" media=\"(max-width: 1024px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf0898.webp?w=664&amp;h=498\" type=\"image\/webp\" media=\"(max-width: 1280px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf0898.webp?w=710&amp;h=533\" type=\"image\/webp\" media=\"(max-width: 1600px)\" \/><source title=\"locust-swarm-07\" srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf0898.webp?w=710&amp;h=533\" type=\"image\/webp\" \/><img loading=\"lazy\" class=\"\" title=\"locust-swarm-07\" src=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf0898.jpg?w=710&amp;h=533\" alt=\"locust-swarm-07\" width=\"640\" height=\"480\" \/><\/picture><\/div>\n<div class=\"ngart-img__cont\">\n<div class=\"ngart-img__cont__copy\">\n<p>Gafanhotos se alimentam em arbustos na mata da Borana Wildlife Conservancy.<\/p>\n<\/div>\n<div class=\"ngart-img__cont__author\">FOTO DE\u00a0<span class=\"ngart-img__cont--strong\">DAVID CHANCELLOR<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"ngart__side-col\">\n<div class=\"ngart__side-inner article-sticky\">\n<div class=\"ngart__ad-col\">\n<div class=\"ngart__side-ad\">\n<div id=\"gpt--article_side__2--53434\" class=\"css-11xmhrb\" data-google-query-id=\"CJK1nbaz7O8CFb0wuQYdo3kGqQ\">\n<div id=\"google_ads_iframe_\/21783347309\/natgeo\/nationalgeographicbrasil.com\/web\/environment_2__container__\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"ngart-img ngart-img--large\">\n<div class=\"ngart-img__cntr\" tabindex=\"0\" role=\"button\"><picture class=\"resp-img-cntr css-xdbfd6\"><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf1270.webp?w=320&amp;h=240\" type=\"image\/webp\" media=\"(max-width: 320px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf1270.webp?w=360&amp;h=270\" type=\"image\/webp\" media=\"(max-width: 360px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf1270.webp?w=430&amp;h=323\" type=\"image\/webp\" media=\"(max-width: 430px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf1270.webp?w=500&amp;h=375\" type=\"image\/webp\" media=\"(max-width: 500px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf1270.webp?w=768&amp;h=576\" type=\"image\/webp\" media=\"(max-width: 768px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf1270.webp?w=900&amp;h=675\" type=\"image\/webp\" media=\"(max-width: 900px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf1270.webp?w=1024&amp;h=768\" type=\"image\/webp\" media=\"(max-width: 1024px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf1270.webp?w=1150&amp;h=863\" type=\"image\/webp\" media=\"(max-width: 1150px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf1270.webp?w=1280&amp;h=960\" type=\"image\/webp\" media=\"(max-width: 1280px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf1270.webp?w=1450&amp;h=1088\" type=\"image\/webp\" media=\"(max-width: 1450px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf1270.webp?w=1600&amp;h=1200\" type=\"image\/webp\" media=\"(max-width: 1600px)\" \/><source title=\"locust-swarm-08\" srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf1270.webp?w=1600&amp;h=1200\" type=\"image\/webp\" \/><img loading=\"lazy\" class=\"\" title=\"locust-swarm-08\" src=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_150221_dscf1270.jpg?w=1600&amp;h=1200\" alt=\"locust-swarm-08\" width=\"640\" height=\"480\" \/><\/picture><\/div>\n<div class=\"ngart-img__cont\">\n<div class=\"ngart-img__cont__copy\">\n<p>As autoridades t\u00eam pulverizado inseticidas potentes para combater a invas\u00e3o de gafanhotos. A medida tem funcionado, mas os efeitos colaterais \u00e0 sa\u00fade e \u00e0 natureza ainda s\u00e3o desconhecidos.<\/p>\n<\/div>\n<div class=\"ngart-img__cont__author\">FOTO DE\u00a0<span class=\"ngart-img__cont--strong\">DAVID CHANCELLOR<\/span><\/div>\n<\/div>\n<\/div>\n<div class=\"gr-wrap ngart__group\">\n<div class=\"ngart__main-col\">\n<div class=\"paragraph\">\n<div>\n<p>\u201cQuando os milh\u00f5es de litros de agrot\u00f3xicos pulverizados foram contabilizados, at\u00e9 a comunidade de doadores ficou horrorizada\u201d, lembra Christiaan Kooyman, cientista holand\u00eas que desenvolveu um biopesticida usando o fungo\u00a0<em>Metarhizium acridum<\/em>, que combate gafanhotos. \u201cPerguntaram aos cientistas: \u2018n\u00e3o existe mais nenhuma alternativa?\u2019\u201d<\/p>\n<p>O\u00a0<em>Metarhizium<\/em>, comercializado desde 1998, \u00e9 recomendado pela FAO como o \u201cm\u00e9todo de controle mais adequado\u201d para gafanhotos, mas raramente \u00e9 utilizado. Sua a\u00e7\u00e3o \u00e9 lenta e possui uma baixa taxa de \u201cefeito de choque instant\u00e2neo\u201d \u2013 o que significa que mata ao longo de dias em vez de horas. Al\u00e9m de ser caro e de aplica\u00e7\u00e3o complexa, \u00e9 mais eficaz contra as formas imaturas, em vez de enxames de adultos \u2013 a maior amea\u00e7a.<\/p>\n<p>Sua melhor caracter\u00edstica \u2013 matar exclusivamente gafanhotos \u2013 tamb\u00e9m o torna um produto menos lucrativo. As empresas t\u00eam poucos incentivos para produzir\u00a0<em>Metarhizium<\/em>\u00a0e passar pelo processo dispendioso e burocr\u00e1tico de registr\u00e1-lo em um pa\u00eds antes de uma emerg\u00eancia como a que acometeu a \u00c1frica Ocidental.<\/p>\n<p>\u201cOs gafanhotos n\u00e3o est\u00e3o presentes com tanta frequ\u00eancia, e os fabricantes n\u00e3o t\u00eam interesse em produzir algo que n\u00e3o seja amplamente utilizado\u201d, explica\u00a0<a href=\"http:\/\/dropdata.org\/iparc\/matthews_files\/matthews.htm\" target=\"_blank\" rel=\"noopener noreferrer\">Graham Matthews<\/a>, cientista brit\u00e2nico e presidente fundador do\u00a0<a href=\"http:\/\/www.fao.org\/ag\/locusts\/en\/info\/info\/news\/2143\/2144\/events_2168.html\" target=\"_blank\" rel=\"noopener noreferrer\">Grupo de Avalia\u00e7\u00e3o de Agrot\u00f3xicos<\/a>. Quando os enxames chegam, \u201cn\u00e3o tem como aguardar a produ\u00e7\u00e3o, \u00e9 necess\u00e1rio algo pronto para uso\u201d, acrescenta.<\/p>\n<p>Assim, os governos buscam agrot\u00f3xicos de amplo espectro produzidos em massa por grandes empresas de produtos qu\u00edmicos agr\u00edcolas.<\/p>\n<h3><strong>A extens\u00e3o dos danos n\u00e3o \u00e9 conhecida<\/strong><\/h3>\n<p>O que torna a pulveriza\u00e7\u00e3o generalizada de agrot\u00f3xicos especialmente preocupante a produtores rurais, pecuaristas, cientistas e conservacionistas no Qu\u00eania \u00e9 que se sabe muito pouco sobre os danos causados pelos agrot\u00f3xicos, se existirem. Uma\u00a0<a href=\"https:\/\/www.usaid.gov\/sites\/default\/files\/documents\/USAID_EAFR_Locust_PEA_FAO_11-10-20_508_Compliant.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">avalia\u00e7\u00e3o ambiental<\/a>\u00a0da opera\u00e7\u00e3o regional de gafanhotos conduzida pelo governo dos Estados Unidos alertou sobre o \u201cpotencial para efeitos nocivos expressivos \u00e0 sa\u00fade humana e \u00e0 natureza\u201d e uma\u00a0<a href=\"http:\/\/documents1.worldbank.org\/curated\/en\/918201587468738748\/pdf\/Environmental-and-Social-Review-Summary-Appraisal-Stage-Kenya-ANNEX-Emergency-Locust-Response-Program-P173702.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">an\u00e1lise\u00a0<\/a>do Banco Mundial concluiu que o risco ambiental era \u201csubstancial\u201d.<\/p>\n<\/div>\n<\/div>\n<div class=\"ngart-img ngart-img--medium\">\n<div class=\"ngart-img__cntr\" tabindex=\"0\" role=\"button\"><picture class=\"resp-img-cntr css-xdbfd6\"><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_140221_dscf0772.webp?w=320&amp;h=240\" type=\"image\/webp\" media=\"(max-width: 320px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_140221_dscf0772.webp?w=360&amp;h=270\" type=\"image\/webp\" media=\"(max-width: 360px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_140221_dscf0772.webp?w=430&amp;h=323\" type=\"image\/webp\" media=\"(max-width: 430px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_140221_dscf0772.webp?w=500&amp;h=375\" type=\"image\/webp\" media=\"(max-width: 500px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_140221_dscf0772.webp?w=768&amp;h=576\" type=\"image\/webp\" media=\"(max-width: 768px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_140221_dscf0772.webp?w=900&amp;h=675\" type=\"image\/webp\" media=\"(max-width: 900px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_140221_dscf0772.webp?w=1024&amp;h=768\" type=\"image\/webp\" media=\"(max-width: 1024px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_140221_dscf0772.webp?w=664&amp;h=498\" type=\"image\/webp\" media=\"(max-width: 1280px)\" \/><source srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_140221_dscf0772.webp?w=710&amp;h=533\" type=\"image\/webp\" media=\"(max-width: 1600px)\" \/><source title=\"locust-swarm-09\" srcset=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_140221_dscf0772.webp?w=710&amp;h=533\" type=\"image\/webp\" \/><img loading=\"lazy\" class=\"\" title=\"locust-swarm-09\" src=\"https:\/\/static.nationalgeographicbrasil.com\/files\/styles\/image_3200\/public\/david20chancellor_140221_dscf0772.jpg?w=710&amp;h=533\" alt=\"locust-swarm-09\" width=\"639\" height=\"480\" \/><\/picture><\/div>\n<div class=\"ngart-img__cont\">\n<div class=\"ngart-img__cont__copy\">\n<p>Os cientistas acreditam que o agrot\u00f3xico de amplo espectro tenha afetado polinizadores como abelhas, embora n\u00e3o se conhe\u00e7a exatamente a gravidade de seus impactos.<\/p>\n<\/div>\n<div class=\"ngart-img__cont__author\">FOTO DE\u00a0<span class=\"ngart-img__cont--strong\">DAVID CHANCELLOR<\/span><\/div>\n<\/div>\n<\/div>\n<div class=\"paragraph\">\n<div>\n<p>Ainda assim, mais de um ano ap\u00f3s o in\u00edcio da campanha de controle, a avalia\u00e7\u00e3o da FAO sobre o impacto ambiental da pulveriza\u00e7\u00e3o ainda n\u00e3o foi divulgada ao p\u00fablico.<\/p>\n<p>\u201cO uso excessivo de agrot\u00f3xicos \u00e9 evidentemente prejudicial \u00e0 biodiversidade, mas seu n\u00edvel de impacto n\u00e3o foi quantificado\u201d, afirma\u00a0<a href=\"http:\/\/www.icipe.org\/about\/staff\/sunday-ekesi\" target=\"_blank\" rel=\"noopener noreferrer\">Sunday Ekesi<\/a>, entomologista e diretor de pesquisas e parcerias do Centro Internacional de Fisiologia e Ecologia de Insetos (Icipe, na sigla em ingl\u00eas) em Nair\u00f3bi, parte de uma for\u00e7a-tarefa do governo criada para combater a invas\u00e3o de gafanhotos-do-deserto.<\/p>\n<p>\u201cNossa principal preocupa\u00e7\u00e3o \u00e9 o impacto sobre os polinizadores\u201d, ressalta Anne Maina, da\u00a0<a href=\"https:\/\/www.equatorinitiative.org\/2020\/04\/24\/solution11350\/\" target=\"_blank\" rel=\"noopener noreferrer\">Associa\u00e7\u00e3o de Biodiversidade e Biosseguran\u00e7a do Qu\u00eania<\/a>. Os produtores rurais com quem ela trabalha atribuem a redu\u00e7\u00e3o na colheita de mel e da manga ao desaparecimento das abelhas. Martins compartilha essas preocupa\u00e7\u00f5es, mas reitera que a falta de dados de monitoramento torna imposs\u00edvel saber o que de fato est\u00e1 ocorrendo.<\/p>\n<p>\u201cO norte do Qu\u00eania e o Grande Chifre da \u00c1frica s\u00e3o alguns dos principais centros de diversidade de abelhas do mundo, com milhares de esp\u00e9cies, sobre a maioria das quais n\u00e3o sabemos absolutamente nada\u201d, conta ele. \u201c\u00c9 preciso desenvolver ferramentas para controlar os gafanhotos e proteger a fr\u00e1gil biodiversidade das terras \u00e1ridas da regi\u00e3o.\u201d<\/p>\n<p>As\u00a0<a href=\"http:\/\/www.fao.org\/ag\/locusts\/en\/publicat\/gl\/gl\/index.html\" target=\"_blank\" rel=\"noopener noreferrer\">diretrizes<\/a>\u00a0da FAO sobre precau\u00e7\u00f5es ambientais e de seguran\u00e7a de 2003 reconhecem que a pulveriza\u00e7\u00e3o a\u00e9rea pode produzir menos impactos \u00e0 sa\u00fade humana do que a pulveriza\u00e7\u00e3o terrestre, mas muitas vezes cria \u201cmais preocupa\u00e7\u00f5es ambientais\u201d devido ao risco de contaminar \u00e1reas ecologicamente sens\u00edveis. A pulveriza\u00e7\u00e3o a\u00e9rea aumenta a chance de \u201cdifus\u00e3o descontrolada\u201d, em que produtos qu\u00edmicos \u2013 bem como os pr\u00f3prios gafanhotos \u2013 s\u00e3o levados pelo vento.<\/p>\n<p>Mutia, l\u00edder da equipe de monitoramento ambiental da Fao, reitera que as equipes de pulveriza\u00e7\u00e3o terrestre agora est\u00e3o mais bem treinadas e as comunidades locais est\u00e3o mais informadas sobre a pulveriza\u00e7\u00e3o e os riscos para elas mesmas e para o gado. A opera\u00e7\u00e3o geral de combate aos gafanhotos no Qu\u00eania melhorou desde as primeiras semanas da invas\u00e3o.<\/p>\n<p>\u201cCom os procedimentos corretos, o impacto ambiental \u00e9 muito reduzido\u201d, destaca Cressman.<\/p>\n<h3><strong>Relat\u00f3rio importante ainda sob sigilo<\/strong><\/h3>\n<p>Ainda assim, o relat\u00f3rio de monitoramento ambiental e de sa\u00fade emitido por Mutia, conclu\u00eddo em setembro passado, ainda n\u00e3o foi divulgado. E o motivo n\u00e3o est\u00e1 claro. A FAO afirma que o relat\u00f3rio aguarda a libera\u00e7\u00e3o do Minist\u00e9rio da Agricultura do Qu\u00eania, mas uma porta-voz do minist\u00e9rio afirma que a FAO ainda n\u00e3o o entregou.<\/p>\n<p>Em entrevista, Mutia revela que n\u00e3o encontrou \u201cnenhum motivo para preocupa\u00e7\u00e3o\u201d, em sua an\u00e1lise sobre a pulveriza\u00e7\u00e3o.<\/p>\n<p>No entanto uma c\u00f3pia do relat\u00f3rio obtida pela\u00a0<em>National Geographic<\/em>\u00a0apresenta um retrato mais detalhado e problem\u00e1tico, com evid\u00eancias de superdosagem na regi\u00e3o de Turkana e falta generalizada de comunica\u00e7\u00e3o com moradores de \u00e1reas pulverizadas.<\/p>\n<p>Em quatro dos 13 locais inspecionados, n\u00e3o havia nenhum sinal sequer de morte de gafanhotos, sugerindo que a pulveriza\u00e7\u00e3o foi ineficaz ou que as equipes de monitoramento n\u00e3o estiveram nos locais corretos. Segundo o relat\u00f3rio, foram recebidas sucessivas informa\u00e7\u00f5es de localiza\u00e7\u00e3o incorretas e faltavam helic\u00f3pteros e outros ve\u00edculos para chegar rapidamente a locais mais remotos.<\/p>\n<p>\u201cNossa principal preocupa\u00e7\u00e3o tem sido o controle dos gafanhotos e n\u00e3o h\u00e1 um sistema paralelo de monitoramento dos efeitos indesej\u00e1veis\u201d, explica Raphael Wahome, cientista especializado em animais da Universidade de Nair\u00f3bi. Ele afirma que as informa\u00e7\u00f5es da FAO devem ser disponibilizadas a pesquisadores e outros especialistas: \u201cningu\u00e9m sabe ao certo o que est\u00e1 ocorrendo onde quer que os agrot\u00f3xicos tenham sido aplicados.\u201d<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>O uso intenso de agrot\u00f3xicos de amplo espectro parece ter retardado a invas\u00e3o de gafanhotos-do-deserto.<\/p>\n","protected":false},"author":2,"featured_media":144331,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"uagb_featured_image_src":{"full":["https:\/\/espacoecologico.com.br\/arquivo\/wp-content\/uploads\/2021\/04\/gafanhoto.jpg",415,265,false],"thumbnail":["https:\/\/espacoecologico.com.br\/arquivo\/wp-content\/uploads\/2021\/04\/gafanhoto-150x150.jpg",150,150,true],"medium":["https:\/\/espacoecologico.com.br\/arquivo\/wp-content\/uploads\/2021\/04\/gafanhoto-300x192.jpg",300,192,true],"medium_large":["https:\/\/espacoecologico.com.br\/arquivo\/wp-content\/uploads\/2021\/04\/gafanhoto.jpg",415,265,false],"large":["https:\/\/espacoecologico.com.br\/arquivo\/wp-content\/uploads\/2021\/04\/gafanhoto.jpg",415,265,false],"1536x1536":["https:\/\/espacoecologico.com.br\/arquivo\/wp-content\/uploads\/2021\/04\/gafanhoto.jpg",415,265,false],"2048x2048":["https:\/\/espacoecologico.com.br\/arquivo\/wp-content\/uploads\/2021\/04\/gafanhoto.jpg",415,265,false],"cream-magazine-thumbnail-2":["https:\/\/espacoecologico.com.br\/arquivo\/wp-content\/uploads\/2021\/04\/gafanhoto.jpg",415,265,false],"cream-magazine-thumbnail-3":["https:\/\/espacoecologico.com.br\/arquivo\/wp-content\/uploads\/2021\/04\/gafanhoto.jpg",415,265,false],"cream-magazine-thumbnail-4":["https:\/\/espacoecologico.com.br\/arquivo\/wp-content\/uploads\/2021\/04\/gafanhoto.jpg",415,265,false]},"uagb_author_info":{"display_name":"","author_link":"https:\/\/espacoecologico.com.br\/arquivo\/author\/"},"uagb_comment_info":0,"uagb_excerpt":"O uso intenso de agrot\u00f3xicos de amplo espectro parece ter retardado a invas\u00e3o de gafanhotos-do-deserto.","_links":{"self":[{"href":"https:\/\/espacoecologico.com.br\/arquivo\/wp-json\/wp\/v2\/posts\/144330"}],"collection":[{"href":"https:\/\/espacoecologico.com.br\/arquivo\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/espacoecologico.com.br\/arquivo\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/espacoecologico.com.br\/arquivo\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/espacoecologico.com.br\/arquivo\/wp-json\/wp\/v2\/comments?post=144330"}],"version-history":[{"count":2,"href":"https:\/\/espacoecologico.com.br\/arquivo\/wp-json\/wp\/v2\/posts\/144330\/revisions"}],"predecessor-version":[{"id":144333,"href":"https:\/\/espacoecologico.com.br\/arquivo\/wp-json\/wp\/v2\/posts\/144330\/revisions\/144333"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/espacoecologico.com.br\/arquivo\/wp-json\/wp\/v2\/media\/144331"}],"wp:attachment":[{"href":"https:\/\/espacoecologico.com.br\/arquivo\/wp-json\/wp\/v2\/media?parent=144330"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/espacoecologico.com.br\/arquivo\/wp-json\/wp\/v2\/categories?post=144330"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/espacoecologico.com.br\/arquivo\/wp-json\/wp\/v2\/tags?post=144330"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}