<?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>0188-4999</journal-id>
<journal-title><![CDATA[Revista internacional de contaminación ambiental]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Int. Contam. Ambient]]></abbrev-journal-title>
<issn>0188-4999</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Instituto de Ciencias de la Atmósfera y Cambio Climático]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0188-49992018000100035</article-id>
<article-id pub-id-type="doi">10.20937/rica.2018.34.01.03</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[COMPORTAMIENTO DE EVASIÓN Y REPRODUCCIÓN DE LA LOMBRIZ Eisenia foetida EN SUELOS AGRÍCOLAS IMPACTADOS POR ACTIVIDADES MINERAS]]></article-title>
<article-title xml:lang="en"><![CDATA[AVOIDANCE BEHAVIOR AND REPRODUCTION OF THE WORM Eisenia foetida IN AGRICULTURAL SOILS IMPACTED BY MININIG ACTIVITIES]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ulloa]]></surname>
<given-names><![CDATA[Mariel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bustos]]></surname>
<given-names><![CDATA[Víctor]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Neaman]]></surname>
<given-names><![CDATA[Alexander]]></given-names>
</name>
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</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gaete]]></surname>
<given-names><![CDATA[Hernán]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Valparaíso Escuela de Ingeniería en Medioambiente Facultad de Ingeniería]]></institution>
<addr-line><![CDATA[Valparaíso ]]></addr-line>
<country>Chile</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Pontificia Universidad Católica de Valparaíso Escuela de Agronomía ]]></institution>
<addr-line><![CDATA[Valparaíso ]]></addr-line>
<country>Chile</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Centro de Investigación y Gestión de Recursos Naturales (CIGREN)  ]]></institution>
<addr-line><![CDATA[Valparaíso ]]></addr-line>
<country>Chile</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2018</year>
</pub-date>
<volume>34</volume>
<numero>1</numero>
<fpage>35</fpage>
<lpage>43</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0188-49992018000100035&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0188-49992018000100035&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0188-49992018000100035&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN El objetivo de este estudio fue determinar la toxicidad de suelos agrícolas cercanos a zonas con actividad minera sobre la lombriz Eisenia foetida. Con este fin se determinaron en los suelos colectados las concentraciones totales de los metales As, Cu, Zn, Pb, y solubles de As y Cu, pCu+2, granulometría, materia orgánica, conductividad y pH. La toxicidad se determinó a través de bioensayos agudos de conducta de evasión y crónicos de reproducción. Los resultados muestran que las concentraciones totales de estos metales en los suelos tienen el siguiente orden decreciente: Cu &gt; Zn &gt; Pb &gt; As. De los 14 suelos estudiados, los dos que presentaron las mayores concentraciones de cobre total afectaron el comportamiento de evasión de E. foetida. Por otra parte, los suelos con mayor porcentaje de materia orgánica y arcilla presentaron los menores porcentajes de evasión. La producción de capullos fue similar en la mayoría de los suelos, a excepción de tres, en los que fue significativamente menor (p &lt; 0.05), en tanto que la producción de juveniles -con excepción de un suelo- no exhibió variación significativa [p &gt; 0.05]). La producción de capullos y juveniles se relacionó inversamente con las concentraciones de cobre total y soluble. En conclusión, la mayoría de los suelos no contiene agentes químicos biodisponibles que provoquen toxicidad o afecten la capacidad de selección del hábitat ni la reproducción en E. foetida. Las variables de comportamiento de evasión y reproducción se relacionaron inversamente. Se sugiere el uso alternativo de bioensayos de comportamiento de evasión, como herramienta de alerta temprana en el monitoreo de suelos que puedan contener agentes tóxicos potenciales.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT The aim of this study was to determine the toxicity of agricultural soils in areas with mining activities on worm Eisenia foetida. Total concentrations of As, Cu, Zn, Pb, and soluble As and Cu, pCu+2, granulometry, organic matter, pH and conductivity in the collected soil were determined. Toxicity was determined using bioassays of avoidance behavior and reproduction. The results show that the total concentrations of metals in soil have the following decreasing order: Cu &gt; Zn &gt; Pb &gt; AS. Of the 14 soils studied, the two with highest concentrations of total copper had effect on the avoidance behavior of E. foetida. Soils with the highest percentage of organic matter and clay caused the lowest percentages of avoidance behavior. The production of cocoons was similar in most soils, except three in which it was significantly lower (p &lt; 0.05); regarding juvenile production no significant variation (p &gt; 0.05) was observed, except for one soil. These variables were inversely correlated to the concentration of total and soluble copper. In conclusion, most soils do not contain bioavailable chemical agents that provoke toxicity or affect the capacity of E. foetida both for habitat selection or reproduction. Avoidance behavior and reproduction were inversely related. Reproduction decreased in soils where evasion was higher. So the alternative use of bioassays of avoidance behavior, as an early warning tool, is suggested for monitoring soils that may contain potential toxic agents.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[toxicidad]]></kwd>
<kwd lng="es"><![CDATA[cobre]]></kwd>
<kwd lng="es"><![CDATA[metales]]></kwd>
<kwd lng="en"><![CDATA[toxicity]]></kwd>
<kwd lng="en"><![CDATA[copper]]></kwd>
<kwd lng="en"><![CDATA[metals]]></kwd>
</kwd-group>
</article-meta>
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