{"id":22896,"date":"2020-10-03T12:03:00","date_gmt":"2020-10-03T12:03:00","guid":{"rendered":"https:\/\/www.maapprogram.org\/?p=22896"},"modified":"2024-07-31T13:51:32","modified_gmt":"2024-07-31T13:51:32","slug":"maap-125-portugues","status":"publish","type":"post","link":"https:\/\/www.maapprogram.org\/pt-br\/maap-125-portugues\/","title":{"rendered":"MAAP #125: Detec\u00e7\u00e3o de explora\u00e7\u00e3o madeireira ilegal com sat\u00e9lites de alt\u00edssima resolu\u00e7\u00e3o"},"content":{"rendered":"<div id=\"attachment_9587\" class=\"thumbnail alignright\"><a href=\"https:\/\/www.maapprogram.org\/wp-content\/uploads\/2020\/09\/maaproject.org-maap-125-detecting-illegal-logging-with-very-high-resolution-satellites-1-Cover.jpg\"><img decoding=\"async\" class=\"wp-image-9587 \" src=\"https:\/\/www.maapprogram.org\/wp-content\/uploads\/2020\/09\/maaproject.org-maap-125-detecting-illegal-logging-with-very-high-resolution-satellites-1-Cover-580x580.jpg\" alt=\"\" width=\"574\" height=\"574\" \/><\/a><div class=\"caption\">Imagem de sat\u00e9lite de alt\u00edssima resolu\u00e7\u00e3o mostrando extra\u00e7\u00e3o ilegal de madeira no sul da Amaz\u00f4nia peruana. Dados: Maxar. An\u00e1lise: MAAP\/ACCA.<\/div><\/div>\n<p><strong>A explora\u00e7\u00e3o ilegal de madeira<\/strong>\u00a0na\u00a0<strong>Amaz\u00f4nia peruana<\/strong>\u00a0\u00e9 principalmente seletiva e, at\u00e9 agora, dif\u00edcil de detectar por meio de informa\u00e7\u00f5es de sat\u00e9lite.<\/p>\n<p>Neste relat\u00f3rio, apresentamos o enorme potencial das\u00a0<strong>imagens de sat\u00e9lite de alt\u00edssima resolu\u00e7\u00e3o<\/strong>\u00a0(&lt;70 cm) para identificar extra\u00e7\u00e3o ilegal de madeira.<\/p>\n<p>As principais entidades que oferecem esse tipo de dados s\u00e3o a Planet (Skysat) e a Maxar (Worldview).<\/p>\n<p>Ressaltamos que esta t\u00e9cnica tem o potencial de detectar atividades ilegais em\u00a0<strong>tempo real<\/strong>\u00a0, quando ainda \u00e9 poss\u00edvel uma a\u00e7\u00e3o preventiva.<\/p>\n<p>Esse \u00e9 um avan\u00e7o importante porque quando normalmente ocorre uma interven\u00e7\u00e3o, como a apreens\u00e3o de um barco ou caminh\u00e3o com madeira ilegal, o dano j\u00e1 est\u00e1 feito.<\/p>\n<p>Abaixo, mostramos um\u00a0<strong>caso espec\u00edfico<\/strong>\u00a0de uso de imagens de sat\u00e9lite de alt\u00edssima resolu\u00e7\u00e3o para detectar e confirmar prov\u00e1vel explora\u00e7\u00e3o ilegal de madeira na Amaz\u00f4nia sul peruana (regi\u00e3o de Madre de Dios).<\/p>\n<div class=\"fitem-sep\"><\/div>\n<h3><strong>Caso: Turbina SAC<\/strong><\/h3>\n<p>O\u00a0<strong>Mapa Base<\/strong>\u00a0abaixo mostra a intensidade da prov\u00e1vel atividade de extra\u00e7\u00e3o ilegal de madeira* na concess\u00e3o florestal Turbina SAC, de 2016 at\u00e9 o presente. Especificamente, ele mostra os pontos exatos de eventos de extra\u00e7\u00e3o ilegal de madeira (\u00e1rvores derrubadas) e acampamentos de extra\u00e7\u00e3o de madeira, conforme identificados por meio de nossa an\u00e1lise de imagens de sat\u00e9lite de alt\u00edssima resolu\u00e7\u00e3o. Observe que esta concess\u00e3o florestal \u00e9 adjacente \u00e0 Concess\u00e3o de Conserva\u00e7\u00e3o Los Amigos, uma importante \u00e1rea de conserva\u00e7\u00e3o da biodiversidade de longo prazo (20 anos).<\/p>\n<div id=\"attachment_9615\" class=\"thumbnail aligncenter\"><a href=\"https:\/\/www.maapprogram.org\/wp-content\/uploads\/2020\/09\/maaproject.org-maap-125-detecting-illegal-logging-with-very-high-resolution-satellites-2-BASEMAP-v8.jpg\"><img decoding=\"async\" class=\"wp-image-9615 size-medium\" src=\"https:\/\/www.maapprogram.org\/wp-content\/uploads\/2020\/09\/maaproject.org-maap-125-detecting-illegal-logging-with-very-high-resolution-satellites-2-BASEMAP-v8-821x580.jpg\" alt=\"\" width=\"821\" height=\"580\" \/><\/a><div class=\"caption\">Mapa Base. Atividades ilegais de explora\u00e7\u00e3o madeireira na concess\u00e3o florestal Turbina SAC. O tamanho dos pontos \u00e9 apenas para refer\u00eancia. Dados: MAAP\/Amazon Conservation.<\/div><\/div>\n<div class=\"fitem-sep\"><\/div>\n<h3><strong>Imagens de sat\u00e9lite de alt\u00edssima resolu\u00e7\u00e3o<\/strong><\/h3>\n<p>Abaixo, mostramos uma s\u00e9rie de imagens de sat\u00e9lite de alt\u00edssima resolu\u00e7\u00e3o, cortesia das inovadoras empresas de sat\u00e9lite Planet e Maxar.<\/p>\n<p>A primeira imagem mostra a identifica\u00e7\u00e3o de prov\u00e1vel extra\u00e7\u00e3o ilegal de madeira entre junho de 2019 (painel esquerdo) e agosto de 2020 (painel direito). O\u00a0<strong>c\u00edrculo\u00a0<\/strong><strong>vermelho<\/strong>\u00a0indica a \u00e1rea exata (copa) da \u00e1rvore extra\u00edda ilegalmente.<\/p>\n<div id=\"attachment_9588\" class=\"thumbnail aligncenter\"><a href=\"https:\/\/www.maapprogram.org\/wp-content\/uploads\/2020\/09\/maaproject.org-maap-125-detecting-illegal-logging-with-very-high-resolution-satellites-3-Panel-Skysat-scaled.jpg\"><img decoding=\"async\" class=\"wp-image-9588 size-full\" src=\"https:\/\/www.maapprogram.org\/wp-content\/uploads\/2020\/09\/maaproject.org-maap-125-detecting-illegal-logging-with-very-high-resolution-satellites-3-Panel-Skysat-scaled.jpg\" alt=\"\" width=\"2560\" height=\"903\" \/><\/a><div class=\"caption\">A identifica\u00e7\u00e3o de extra\u00e7\u00e3o ilegal de madeira entre junho de 2019 (painel esquerdo) e agosto de 2020 (painel direito). Clique para ampliar. Dados: Maxar, Planet, MAAP.<\/div><\/div>\n<div class=\"fitem-sep\"><\/div>\n<p>A imagem a seguir mostra a identifica\u00e7\u00e3o de extra\u00e7\u00e3o ilegal de madeira em mar\u00e7o de 2020. O\u00a0<strong>c\u00edrculo vermelho<\/strong>\u00a0indica a \u00e1rea exata das \u00e1rvores extra\u00eddas ilegalmente.<\/p>\n<div id=\"attachment_9589\" class=\"thumbnail aligncenter\"><\/div>\n<div id=\"attachment_9589\" class=\"thumbnail aligncenter\"><a href=\"https:\/\/www.maapprogram.org\/wp-content\/uploads\/2020\/09\/maaproject.org-maap-125-detecting-illegal-logging-with-very-high-resolution-satellites-4-Case-Logging.jpg\"><img decoding=\"async\" class=\"wp-image-9589 size-medium\" src=\"https:\/\/www.maapprogram.org\/wp-content\/uploads\/2020\/09\/maaproject.org-maap-125-detecting-illegal-logging-with-very-high-resolution-satellites-4-Case-Logging-821x580.jpg\" alt=\"\" width=\"821\" height=\"580\" \/><\/a><div class=\"caption\">Identifica\u00e7\u00e3o de explora\u00e7\u00e3o madeireira ilegal. Dados: Maxar, MAAP.<\/div><\/div>\n<div class=\"fitem-sep\"><\/div>\n<p>A imagem a seguir mostra a identifica\u00e7\u00e3o de um acampamento madeireiro em mar\u00e7o de 2020. O\u00a0<strong>c\u00edrculo vermelho<\/strong>\u00a0indica a \u00e1rea do acampamento.<\/p>\n<div id=\"attachment_9590\" class=\"thumbnail aligncenter\"><a href=\"https:\/\/www.maapprogram.org\/wp-content\/uploads\/2020\/09\/maaproject.org-maap-125-detecting-illegal-logging-with-very-high-resolution-satellites-5-Case-Camp.jpg\"><img decoding=\"async\" class=\"wp-image-9590 size-medium\" src=\"https:\/\/www.maapprogram.org\/wp-content\/uploads\/2020\/09\/maaproject.org-maap-125-detecting-illegal-logging-with-very-high-resolution-satellites-5-Case-Camp-821x580.jpg\" alt=\"\" width=\"821\" height=\"580\" \/><\/a><div class=\"caption\">Imagem de sat\u00e9lite de um acampamento de extra\u00e7\u00e3o ilegal de madeira. Dados: Maxar, MAAP.<\/div><\/div>\n<div class=\"fitem-sep\"><\/div>\n<h3><strong>*Declara\u00e7\u00e3o de Legalidade<\/strong><\/h3>\n<p>Determinamos que essa atividade madeireira \u00e9\u00a0<strong>ilegal<\/strong>\u00a0a partir de uma an\u00e1lise detalhada de informa\u00e7\u00f5es oficiais do Governo Peruano (especificamente, o Servi\u00e7o Florestal Peruano, SERFOR, e a ag\u00eancia de supervis\u00e3o florestal, OSINFOR). Essas informa\u00e7\u00f5es indicam que, embora a concess\u00e3o esteja em vigor (Vigente), seu status \u00e9 classificado como Inativo (Inactiva). Al\u00e9m disso, 2013 foi o \u00faltimo ano em que essa concess\u00e3o teve um plano de explora\u00e7\u00e3o madeireira aprovado (Plan Operativo de Aprovechamiento, ou POA), e foi para um setor diferente da concess\u00e3o da atividade madeireira rec\u00e9m-detectada.<\/p>\n<p>Para confirmar nossa suposi\u00e7\u00e3o de atividade ilegal, solicitamos o parecer t\u00e9cnico da autoridade regional de florestas e vida selvagem correspondente, no entanto, at\u00e9 a data de publica\u00e7\u00e3o deste relat\u00f3rio, ainda n\u00e3o recebemos uma resposta.<\/p>\n<p>Assim, com as in<\/p>\n<div class=\"fitem-sep\"><\/div>\n<h3><strong>Metodologia<\/strong><\/h3>\n<p>Realizamos a an\u00e1lise em duas etapas principais:<\/p>\n<p>O primeiro passo foi a interpreta\u00e7\u00e3o visual e digitaliza\u00e7\u00e3o de novos eventos de explora\u00e7\u00e3o madeireira e acampamentos de explora\u00e7\u00e3o madeireira associados dentro da concess\u00e3o florestal de Turbina. Esta an\u00e1lise foi baseada na avalia\u00e7\u00e3o de imagens subm\u00e9tricas obtidas das empresas de sat\u00e9lite Planet e Maxar, para o per\u00edodo de 2019-20. Vale ressaltar que para a Planet, tivemos a nova capacidade de \u201ctarefar\u201d novas imagens para uma \u00e1rea espec\u00edfica, em vez de esperar que uma imagem aparecesse por outros meios. A explora\u00e7\u00e3o madeireira na Amaz\u00f4nia peruana \u00e9 geralmente altamente seletiva para esp\u00e9cies de alto valor, portanto sua detec\u00e7\u00e3o requer uma an\u00e1lise comparativa de imagens (antes e depois), de forma que as \u00e1rvores cortadas durante o per\u00edodo de estudo (2019-20 neste caso) possam ser identificadas.<\/p>\n<p>O segundo passo focou em uma an\u00e1lise da legalidade dos eventos de explora\u00e7\u00e3o madeireira identificados. As localiza\u00e7\u00f5es das \u00e1rvores e acampamentos explorados foram cruzadas com informa\u00e7\u00f5es espaciais sobre o estado e status das concess\u00f5es florestais fornecidas pelo portal GeoSERFOR (SERFOR), bem como as \u00e1reas delimitadas nos planos operacionais anuais das concess\u00f5es, verificadas pelo OSINFOR e distribu\u00eddas pelo portal SISFOR (WMS). Consideramos aspectos espaciais e temporais para os dados de concess\u00e3o florestal.<\/p>\n<div class=\"fitem-sep\"><\/div>\n<h3><strong>Cita\u00e7\u00e3o<\/strong><\/h3>\n<p>Novoa S, Villa L, Finer M (2020) Detec\u00e7\u00e3o de explora\u00e7\u00e3o madeireira ilegal com sat\u00e9lites de alt\u00edssima resolu\u00e7\u00e3o. MAAP: 125.<\/p>\n<h3><span style=\"font-size: 16px;\"><div class=\"fitem-sep\"><\/div><\/span><\/h3>\n<h3><strong>Agradecimentos<\/strong><\/h3>\n<p>Agradecemos a A. Felix (USAID Prevent), ME Gutierrez (ACCA) e G. Palacios pelos coment\u00e1rios \u00fateis sobre este relat\u00f3rio.<\/p>\n<p>Este relat\u00f3rio foi conduzido com assist\u00eancia t\u00e9cnica da USAID, por meio do projeto Prevent. Prevent \u00e9 uma iniciativa que, ao longo dos pr\u00f3ximos 5 anos, trabalhar\u00e1 com o Governo do Peru, a sociedade civil e o setor privado para prevenir e combater crimes ambientais em Loreto, Ucayali e Madre de Dios, a fim de conservar a Amaz\u00f4nia peruana.<\/p>\n<p>Esta publica\u00e7\u00e3o \u00e9 poss\u00edvel com o apoio do povo americano por meio da USAID. Seu conte\u00fado \u00e9 de responsabilidade exclusiva dos autores e n\u00e3o reflete necessariamente as opini\u00f5es da USAID ou do governo dos EUA.<\/p>\n<p><a href=\"https:\/\/www.maapprogram.org\/wp-content\/uploads\/2020\/08\/maaproject.org-maap-detectando-la-tala-ilegal-con-imagenes-de-muy-alta-resolucion-USAIDLogo-2ColorRGB-Horizontal-RGB-294.png\"><img decoding=\"async\" class=\"aligncenter size-medium wp-image-9476\" src=\"https:\/\/www.maapprogram.org\/wp-content\/uploads\/2020\/08\/maaproject.org-maap-detectando-la-tala-ilegal-con-imagenes-de-muy-alta-resolucion-USAIDLogo-2ColorRGB-Horizontal-RGB-294-930x362.png\" alt=\"\" \/><\/a><\/p>\n<div class=\"fitem-sep\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>A explora\u00e7\u00e3o ilegal de madeira\u00a0na\u00a0Amaz\u00f4nia peruana\u00a0\u00e9 principalmente seletiva e, at\u00e9 agora, dif\u00edcil de detectar por meio de informa\u00e7\u00f5es de sat\u00e9lite. Neste relat\u00f3rio, apresentamos o enorme potencial das\u00a0imagens de sat\u00e9lite de alt\u00edssima resolu\u00e7\u00e3o\u00a0(&lt;70 cm) para identificar extra\u00e7\u00e3o ilegal de madeira. As principais entidades que oferecem esse tipo de dados s\u00e3o a Planet (Skysat) e a Maxar [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[3],"tags":[],"ftr_agriculture":[],"carbon-and-climate-change":[],"ftr_country":[400],"fire":[],"infrastructure-threat":[],"land-use":[],"mining-and-logging-threat":[459],"natural-forest-loss":[],"special-analysis":[],"class_list":["post-22896","post","type-post","status-publish","format-standard","hentry","category-nao-categorizado","ftr_country-peru","mining-and-logging-threat-mineracao-de-ouro"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>MAAP #125: Detec\u00e7\u00e3o de explora\u00e7\u00e3o madeireira ilegal com sat\u00e9lites de alt\u00edssima resolu\u00e7\u00e3o - MAAP<\/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:\/\/www.maapprogram.org\/pt-br\/maap-125-portugues\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"MAAP #125: Detec\u00e7\u00e3o de explora\u00e7\u00e3o madeireira ilegal com sat\u00e9lites de alt\u00edssima resolu\u00e7\u00e3o - MAAP\" \/>\n<meta property=\"og:description\" content=\"A explora\u00e7\u00e3o ilegal de madeira\u00a0na\u00a0Amaz\u00f4nia peruana\u00a0\u00e9 principalmente seletiva e, at\u00e9 agora, dif\u00edcil de detectar por meio de informa\u00e7\u00f5es de sat\u00e9lite. 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