<?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>0120-8160</journal-id>
<journal-title><![CDATA[Revista EAN]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. esc.adm.neg]]></abbrev-journal-title>
<issn>0120-8160</issn>
<publisher>
<publisher-name><![CDATA[Universidad EAN]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-81602012000100005</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Estudio ambiental sobre el riesgo ecológico que representa el plomo presente en el suelo]]></article-title>
<article-title xml:lang="en"><![CDATA[Environmental study on ecological lead risks in soils]]></article-title>
<article-title xml:lang="fr"><![CDATA[Étude du risque environnemental que représente le plomb présent dans les sols]]></article-title>
<article-title xml:lang="pt"><![CDATA[Estudo ambiental sobre o risco ecológico representado pelo chumbo presente no solo]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Reyes Guzmán]]></surname>
<given-names><![CDATA[Maritza]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Avendaño Prieto]]></surname>
<given-names><![CDATA[Gerardo]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidad de La Salle Centro de Investigación en Medio Ambiente Directora]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="A02">
<institution><![CDATA[,Universidad EAN Facultad de Ingeniería ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>01</month>
<year>2012</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>01</month>
<year>2012</year>
</pub-date>
<numero>72</numero>
<fpage>66</fpage>
<lpage>75</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-81602012000100005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-81602012000100005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-81602012000100005&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[En el contexto de la Ingeniería Ambiental es bien conocido que el plomo es un metal altamente tóxico que genera problemas graves para la salud humana. La Agencia de Protección Ambiental de los Estados Unidos, indica que una cantidad de 15 µg de plomo por litro, es preocupante, porque puede causar daño en el cerebro y el sistema nervioso. En algunos suelos de la Sabana de Bogotá, se han encontrado concentraciones altas de plomo, que en algunos casos superan los promedios mundiales. Este trabajo estudia qué parte del plomo contenido en el suelo podría introducirse en la cadena alimenticia, existiendo un riesgo ecológico potencial para el normal desarrollo de la flora, la fauna y en especial para la población humana que consume productos agrícolas cultivados en estos suelos. Se midieron las concentraciones de plomo en diferentes muestras de suelo y se encontró que aproximadamente el 27% del plomo contenido en los suelos tiene el riesgo de movilizarse fácilmente y afectar negativamente el ecosistema.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[In the field of Environmental Engineering, it is widely recognized the effects of toxic lead metal which may bring about serious problems for the human health system. The United States Environmental Agency pointed out that an amount of 15 mg of lead per litter represents a high risk which causes brain and central nervous system damages. In some plain fields of Bogota, high concentrations of lead have been found, showing high rates over world estimations. This research reveals the existence of lead fragments which can be used in the feeding chain, having a potential ecological risk for the development of flora and fauna, especially in part of the human population which consumes agricultural products grown in these soils. Different lead concentrations were measured in soil samples which show that about 27% of the lead contained has the risk of expanding easily affecting negatively the environment.]]></p></abstract>
<abstract abstract-type="short" xml:lang="fr"><p><![CDATA[Dans le domaine de l'ingénierie de l'environnement, il est de notoriété commune que le plomb est un métal extrêmement toxique pouvant générer de sérieux problèmes pour la santé humaine. L'Agence de Protection de l'Environnement des Etats-Unis indique qu'un taux de 15 µg de plomb par litre devient préoccupant puisque cette quantité suffit à provoquer chez l'homme des dommages cérébraux et nerveux. Dans certains sols du plateau de Bogota, des concentrations élevées en plomb ont été trouvées et ce phénomène inquiète les spécialistes car dans certains cas, les résultats de l'analyse des sols montrent des taux de contamination supérieurs à la moyenne. Notre travail vise à montrer quel pourcentage de cette teneur des sols en plomb pourrait être introduit dans la chaîne alimentaire pouvant provoquer un risque écologique pour le développement normal de la faune et de la flore mais aussi et surtout de la population consommant des produits agricoles cultivés sur ces sols. Les concentrations en plomb ont été mesurées sur différents échantillons de sols et les résultats indiquent qu'environ 27 % de cette teneur en plomb présente le risque d'un déplacement aisé et d'une nuisance à l'écosystème.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[No contexto da engenharia ambiental é bem conhecido que o chumbo é um metal altamente tóxico que gera problemas graves à saúde humana. A Agência de Proteção Ambiental dos Estados Unidos indica que uma quantidade de 15 µg de chumbo por litro é preocupante, porque pode causar dano no cérebro e o sistema nervoso. Em alguns solos da Savana de Bogotá foram encontradas concentrações altas de chumbo, que em alguns casos excedem a média mundial. Este trabalho estuda qual parte do chumbo contido no solo poderia ser introduzida na cadeia alimentar existindo um risco ecológico potencial para o normal desenvolvimento da flora a fauna e especialmente para a população humana que consume produtos agrícolas cultivados nestes solos. Mediram-se as concentrações de chumbo em diferentes amostras do solo e encontrou-se que aproximadamente 27% do chumbo contido nos solos tem o risco de movimentar-se facilmente e afetar o ecossistema de maneira negativa.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Suelos]]></kwd>
<kwd lng="es"><![CDATA[Plomo]]></kwd>
<kwd lng="es"><![CDATA[Biodisponibilidad]]></kwd>
<kwd lng="es"><![CDATA[Riesgo ecológico]]></kwd>
<kwd lng="es"><![CDATA[Movilización]]></kwd>
<kwd lng="es"><![CDATA[Ecosistema]]></kwd>
<kwd lng="en"><![CDATA[Soils]]></kwd>
<kwd lng="en"><![CDATA[Lead]]></kwd>
<kwd lng="en"><![CDATA[Bioavailability]]></kwd>
<kwd lng="en"><![CDATA[Ecological risks]]></kwd>
<kwd lng="en"><![CDATA[Expansion]]></kwd>
<kwd lng="en"><![CDATA[Ecosystem]]></kwd>
<kwd lng="fr"><![CDATA[Sols]]></kwd>
<kwd lng="fr"><![CDATA[Plomb]]></kwd>
<kwd lng="fr"><![CDATA[Biodisponibilité]]></kwd>
<kwd lng="fr"><![CDATA[Risque écologique]]></kwd>
<kwd lng="fr"><![CDATA[Mobilisation]]></kwd>
<kwd lng="fr"><![CDATA[Écosystème]]></kwd>
<kwd lng="pt"><![CDATA[Solos]]></kwd>
<kwd lng="pt"><![CDATA[Chumbo]]></kwd>
<kwd lng="pt"><![CDATA[Biodisponibilidade]]></kwd>
<kwd lng="pt"><![CDATA[Risco ecológico]]></kwd>
<kwd lng="pt"><![CDATA[Mobilização]]></kwd>
<kwd lng="pt"><![CDATA[Ecossistema]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[  ]]></body><back>
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