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Atualmente a problematica relacionada aos residuos solidos vem ganhando destaque no tocante a necessidade de gerenciamento integrado e aos impactos ambientais e os problemas de saude publica. Nesse sentido torna-se necessario a implementacao de medidas de gestao para a extincao de lixoes a ceu aberto. Com base nesse contexto, objetivou-se avaliar os impactos ambientais causados pela pratica inadequada de disposicao de residuos solidos a ceu aberto da cidade de Humaita-AM. A metodologia utilizada baseou-se na realizacao de visitas de campo e aplicacao do metodo de avaliacao de impactos ambientais conhecido por “Indice de Impacto” e o indice da qualidade de aterros de residuos (IQAR) que permite avaliar as condicoes gerais da destinacao final de residuos solidos urbanos, classificando os sistemas em condicoes adequadas, controladas e inadequadas. O lixao encontra-se em funcionamento inadequado, sem atender as regras de protecao ao meio ambiente, ocasionando assim inumeros impactos ambientais, tais como: aumento dos processos erosivos do solo, compactacao do solo, poluicao do ar, poluicao dos recursos hidricos, proliferacao de micro e macrovetores, reducao da biota do solo, stress da fauna local, poluicao visual, contaminacao dos catadores, entre outros. O valor do IQAR foi de 1,53, mostrando que as condicoes da area sao inadequadas. Desta forma, e evidente a acao negativa do lixao devido a falta de manejo adequado, disposicao final e politicas publicas voltadas ao gerenciamento dos residuos solidos gerados na cidade.  Environmental impacts of landfill of the city of Humaita, A mazonas Abstract : Currently the problems related to solid waste has been gaining attention on the need for integrated management and environmental impacts and public health problems. In this sense it is necessary to implement management measures for putting out garbage dumps in the open air. Within this context, the objective was to evaluate the environmental impacts caused by the inadequate practice of open-air solid waste disposal in the city of Humaita-AM. The methodology was based on carrying out field visits and application of evaluation method of environmental impact known as "Impact Index" and the quality of waste landfills index (IQAR) that evaluates the general conditions of disposal of municipal solid waste sorting systems under appropriate conditions, controlled and inadequate. The dump is in malfunction, without considering the environmental protection rules, thus causing numerous environmental impacts, such as increased erosion of soil, soil compaction, air pollution, water pollution, proliferation micro and macrovetores, reduced soil biota, stress the local wildlife, visual pollution, contamination of collectors, among others. The value of IQAR was 1.53, showing that the conditions are inadequate area. Thus, it is clear the negative action of the landfill because of lack of proper management, disposal and public policies related to the management of solid waste generated in the city.

Impactos ambientais decorrentes do lixão da cidade de Humaitá, Amazonas