<?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>S0188-49992025000100123</article-id>
<article-id pub-id-type="doi">10.20937/rica.55077</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Bioacumulación de arsénico en Asphodelus fistulosus relacionada con la especiación química en suelos impactados por actividad minera]]></article-title>
<article-title xml:lang="en"><![CDATA[Bioaccumulation of arsenic in Asphodelus fistulosus related to chemical speciation in soils impacted by mining activity]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ortega-Morales]]></surname>
<given-names><![CDATA[Natalia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López-Hernández]]></surname>
<given-names><![CDATA[Isaías]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Medrano-Santillana]]></surname>
<given-names><![CDATA[Miguel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Reyes-Agüero]]></surname>
<given-names><![CDATA[Juan Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Briones-Gallardo]]></surname>
<given-names><![CDATA[Roberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Betancourt-Martínez]]></surname>
<given-names><![CDATA[Nadia Denys]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morán-Martínez]]></surname>
<given-names><![CDATA[Javier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma Agraria Antonio Narro Departamento de Biología ]]></institution>
<addr-line><![CDATA[Torreón Coahuila]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma de San Luis Potosi Instituto de Investigación de Zonas Desérticas ]]></institution>
<addr-line><![CDATA[San Luis Potosí San Luis Potosí]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Autónoma de San Luis Potosí Instituto de Metalurgia Facultad de Ingeniería]]></institution>
<addr-line><![CDATA[San Luis Potosí San Luis Potosí]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Autónoma de Coahuila Facultad de Medicina Departamento de Biología Celular y Ultraestrucutra]]></institution>
<addr-line><![CDATA[Torreón Coahuila]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2025</year>
</pub-date>
<volume>41</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0188-49992025000100123&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0188-49992025000100123&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0188-49992025000100123&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Durante más de 400 años, el distrito minero Cerro de San Pedro, ubicado en San Luis Potosí, México, ha generado una serie de residuos históricos, denominados pasivos ambientales, que constituyen un riesgo a la salud al contaminar el ambiente. Estos residuos depositados a un lado del arroyo de San Pedro comprenden cuantiosos volúmenes que al estar en contacto con el ambiente y por procesos de meteorización e intemperismo natural promueven la formación del drenaje ácido de mina. El objetivo de esta investigación fue evaluar la concentración de arsénico en sedimentos y suelos rizosféricos, así como a qué fracciones se encuentra preferentemente ligado. Lo anterior a través de cuatro metodologías; concentración total de arsénico, fraccionamiento del As que incluye siete fases: intercambiable, carbonatada, unida a oxihidróxidos de hierro y manganeso, unida a materia orgánica y la fase residual en suelos rizosféricos y sedimentos , fitoaccesibilidad en suelos rizosféricos del arroyo ubicado en Cerro de San Pedro y, finalmente, bioacumulación del arsénico en la especie de Asphodelus fitulosus la cual es nativa del sitio de estudio. Se obtuvo que las concentraciones de arsénico se encuentran por encima de las concentraciones de referencia de la normativa mexicana vigente. La fracción fitoaccesible está asociada a las primeras fracciones minerales solubles, como lo es el As ligado a agua meteórica, intercambiable y carbonatos, además que la especie A. fistulosus bioacumuló mayor arsénico en las raíces que en las hojas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT For more than 400 years, the Cerro de San Pedro mining district in San Luis Potosí, Mexico, has generated a series of historical waste called environmental liabilities. These liabilities constitute a health risk by contaminating the environment. These environmental liabilities are mainly made up of mining compounds rich in metal polysulfides such as arsenic (As). These tailings are deposited on the side of the San Pedro stream comprising considerable volumes that, when in contact with the environment and natural weathering processes, promote the formation of acid mine drainage This study was to evaluate the concentration of arsenic in sediments and rhizospheric soils as well as to which fractions it is preferentially bound, through the evaluation of 4 methodologies; total arsenic concentration, As fractionation that includes 7 phases: exchangeable, carbonate, bound to iron and manganese oxyhydroxides, bound to organic matter and the residual phase in rhizospheric soils and sediments, phytoavailability in rhizospheric soils of the stream located in Cerro de San Pedro, and finally arsenic bioaccumulation in the species of Asphodelus fistulosus, which is a plant native species at the study site. The concentrations of arsenic are above the reference concentrations of the current Mexican regulation. It was found that the phytoavailable fraction is associated with the first soluble mineral fractions, such as As bound to meteoric water, exchangeable, and carbonates. In addition, the species A. fistulosus bioaccumulated more arsenic in the roots than in the leaves.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[desechos mineros]]></kwd>
<kwd lng="es"><![CDATA[suelos]]></kwd>
<kwd lng="es"><![CDATA[sedimentos]]></kwd>
<kwd lng="es"><![CDATA[fitoaccesibilidad]]></kwd>
<kwd lng="es"><![CDATA[especiación química]]></kwd>
<kwd lng="en"><![CDATA[mining waste]]></kwd>
<kwd lng="en"><![CDATA[soils]]></kwd>
<kwd lng="en"><![CDATA[sediments]]></kwd>
<kwd lng="en"><![CDATA[phytoaccessibility]]></kwd>
<kwd lng="en"><![CDATA[chemical speciation]]></kwd>
</kwd-group>
</article-meta>
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