<?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>2007-2422</journal-id>
<journal-title><![CDATA[Tecnología y ciencias del agua]]></journal-title>
<abbrev-journal-title><![CDATA[Tecnol. cienc. agua]]></abbrev-journal-title>
<issn>2007-2422</issn>
<publisher>
<publisher-name><![CDATA[Instituto Mexicano de Tecnología del Agua, Coordinación de Comunicación, Participación e Información]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-24222021000600480</article-id>
<article-id pub-id-type="doi">10.24850/j-tyca-2021-06-12</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Arsénico y mercurio en el paisaje de una zona minera histórica en el oriente de Michoacán, México]]></article-title>
<article-title xml:lang="en"><![CDATA[Arsenic and mercury in the landscape of an historic mining zone in Eastern Michoacán, Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lindig-Cisneros]]></surname>
<given-names><![CDATA[Roberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gómez-Orozco]]></surname>
<given-names><![CDATA[Silvia Y.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Osuna-Vallejo]]></surname>
<given-names><![CDATA[Verónica]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Autónoma de México Instituto de Investigaciones en Ecosistemas y Sustentabilidad ]]></institution>
<addr-line><![CDATA[ Michoacán]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Comisión Nacional del Agua Departamento de Calidad del Agua ]]></institution>
<addr-line><![CDATA[ Michoacán]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Nacional Autónoma de México Instituto de Investigaciones en Ecosistemas y Sustentabilidad ]]></institution>
<addr-line><![CDATA[Morelia ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<volume>12</volume>
<numero>6</numero>
<fpage>480</fpage>
<lpage>501</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-24222021000600480&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-24222021000600480&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-24222021000600480&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Las actividades mineras tienen efectos negativos en sus diferentes tiempos de actividad y en todos los niveles ecológicos, lo que en muchas ocasiones perjudica a las poblaciones aledañas. Uno de esos efectos negativos es el ingreso de metales pesados a las redes tróficas en las regiones mineras, por lo que es importante cuantificar su presencia como resultado de la actividad minera. El distrito minero de Tlalpujahua y El Oro tiene una historia de más de 400 años, que cesó hace más de 60 años. En este distrito, uno de los métodos utilizados para el beneficio del mineral fue el de flotación de mercurio. Por lo anterior, en este estudio se cuantificó dicho metal en muestras de agua de Tlalpujahua. Los resultados obtenidos del muestreo realizado en diversas fuentes de agua de la población indican que las concentraciones de mercurio (Hg) y arsénico (As) se encontraron por debajo del límite de detección o por debajo de la norma. Con los resultados obtenidos y los de estudios anteriores se hace una propuesta de manejo ambiental para reducir los riesgos derivados de la presencia de mercurio en el paisaje.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Mining has negative effects during all the stages of the processes involved and at all ecological levels, all of which frequently cause harm to local communities. One negative effect of particular concern is the entry of heavy metals into trophic nets in mining areas, because of this is important to quantify their presence because of mining activities. The mining district of Tlalpujahua y El Oro has a mining history of more than 400 years, which ended more than 60 years ago. In this district, one method that was employed to process the minerals was flotation by mercury. Because of this, we studied its presence in water samples of Tlalpujahua. The results from sampling diverse water sources of the town indicate that mercury and arsenic concentrations are below the detection limit or below the limit established by the applicable norm. With these results and those of former studies, and environmental management proposal is made for reducing the risks to the population caused by the presence of mercury in the landscape.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[metales pesados]]></kwd>
<kwd lng="es"><![CDATA[contaminación]]></kwd>
<kwd lng="es"><![CDATA[residuos mineros]]></kwd>
<kwd lng="en"><![CDATA[Heavy metals]]></kwd>
<kwd lng="en"><![CDATA[contamination]]></kwd>
<kwd lng="en"><![CDATA[mining waste]]></kwd>
</kwd-group>
</article-meta>
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