<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1659-4266</journal-id>
<journal-title><![CDATA[Cuadernos de Investigación UNED]]></journal-title>
<abbrev-journal-title><![CDATA[Cuadernos de Investigación UNED]]></abbrev-journal-title>
<issn>1659-4266</issn>
<publisher>
<publisher-name><![CDATA[Universidad Estatal a Distancia de Costa Rica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1659-42662024000100001</article-id>
<article-id pub-id-type="doi">10.22458/urj.v16i1.5173</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Impacto ambiental y emisión de metano del botadero de basura de Naranjito, Guayas - Ecuador]]></article-title>
<article-title xml:lang="en"><![CDATA[Environmental impact and methane emission from the Naranjito garbage dump, Guayas - Ecuador]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gavilánez Luna]]></surname>
<given-names><![CDATA[Freddy Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morán Castro]]></surname>
<given-names><![CDATA[César Ernesto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Campoverde Verdugo]]></surname>
<given-names><![CDATA[Gabriela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Agraria del Ecuador Ciudad Universitaria Milagro &#8220;Dr. Jacobo Bucaram Ortiz&#8221; ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Agraria del Ecuador Ciudad Universitaria Milagro &#8220;Dr. Jacobo Bucaram Ortiz&#8221; ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Agraria del Ecuador Ciudad Universitaria Milagro &#8220;Dr. Jacobo Bucaram Ortiz&#8221; ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Ecuador</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2024</year>
</pub-date>
<volume>16</volume>
<numero>1</numero>
<fpage>1</fpage>
<lpage>10</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S1659-42662024000100001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S1659-42662024000100001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S1659-42662024000100001&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Introducción: Los sitios de eliminación y acumulación de basura al aire libre concentran la contaminación del agua, el suelo y el aire; sin embargo, hay poca información sobre este problema en Ecuador. Objetivo: Evaluar el impacto ambiental, incluidas las emisiones de metano, del vertedero al aire libre en Naranjito, Ecuador. Métodos: Para determinar la tasa de emisión de metano de la biomasa de residuos sólidos, aplicamos el método de cámara estática, con un dispositivo portátil, durante 15 días continuos (mayo- junio 2023) a las 08:00, 12:30 y 16:00. Para la evaluación cualitativa del impacto ambiental utilizamos la ponderación del Índice Global, basada en los impactos generados en el entorno físico y perceptual. Resultados: El Índice Global fue de 53,3, es decir, impacto crítico; la tasa media de emisión fue de 858,8mg/m²/h, superior a la tasa de emisión del suelo circundante (133,4mg/m²/h; p&lt;0,05). Conclusión: Es urgente una alternativa de gestión sostenible para reducir la tasa de emisión de metano en Naranjito.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Introduction: Outdoor garbage disposal and accumulation sites concentrate water, soil and atmospheric pollution; however, there is little information on this problem in Ecuador. Objective: Assess the environmental impact, including methane emissions, from the open-air garbage dump in Naranjito, Ecuador. Methods: To determine the methane emission rate from solid waste biomass, we applied the static camera method, with a portable device, for 15 continuous days (May-June 2023) and at 08:00, 12:30 and 16:00. For the qualitative evaluation of environmental impact, we used the Global Index weighting, based on the impacts generated in the physical and perceptual environment. Results: The global Index was 53,3, i.e. critical impact; mean emission rate was 858,8mg/m2/h, higher than the emission rate of the surrounding soil (133,4mg/m2/h; p&lt;0,05). Conclusion: A sustainable management alternative is urgent to reduce the methane emission rate in Naranjito.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[biogas]]></kwd>
<kwd lng="en"><![CDATA[landfill]]></kwd>
<kwd lng="en"><![CDATA[leachate]]></kwd>
<kwd lng="en"><![CDATA[recycling]]></kwd>
<kwd lng="en"><![CDATA[urban solid waste]]></kwd>
<kwd lng="es"><![CDATA[biogás]]></kwd>
<kwd lng="es"><![CDATA[lixiviados]]></kwd>
<kwd lng="es"><![CDATA[reciclaje]]></kwd>
<kwd lng="es"><![CDATA[relleno sanitario]]></kwd>
<kwd lng="es"><![CDATA[residuos sólidos urbanos]]></kwd>
</kwd-group>
</article-meta>
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