<?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>2007-1132</journal-id>
<journal-title><![CDATA[Revista mexicana de ciencias forestales]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. de cienc. forestales]]></abbrev-journal-title>
<issn>2007-1132</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-11322016000100094</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Diversidad y estructura arbórea de dos rodales en Pueblo Nuevo, Durango]]></article-title>
<article-title xml:lang="en"><![CDATA[Tree diversity and structure of two stands in Pueblo Nuevo, Durango]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Delgado Zamora]]></surname>
<given-names><![CDATA[David Alfredo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Heynes Silerio]]></surname>
<given-names><![CDATA[Sergio Alonso]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mares Quiñones]]></surname>
<given-names><![CDATA[María Daniela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Piedra Leandro]]></surname>
<given-names><![CDATA[Norma Leticia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Retana Rentería]]></surname>
<given-names><![CDATA[Flor Isela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez Corral]]></surname>
<given-names><![CDATA[Karina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villanueva Hernández]]></surname>
<given-names><![CDATA[Ali Ituriel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González Elizondo]]></surname>
<given-names><![CDATA[María del Socorro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ruacho-González]]></surname>
<given-names><![CDATA[Lizeth]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Politécnico Nacional Centro Interdisciplinario de Investigación para el Desarrollo Integral Regional ]]></institution>
<addr-line><![CDATA[ Durango]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2016</year>
</pub-date>
<volume>7</volume>
<numero>33</numero>
<fpage>94</fpage>
<lpage>107</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-11322016000100094&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-11322016000100094&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-11322016000100094&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: El presente estudio describe la estructura y la diversidad de especies arbóreas de dos rodales con bosque templado de pino-encino, ubicados en la comunidad Coscomate, ejido Chavarría Nuevo, municipio Pueblo Nuevo, Durango. Se muestreó la vegetación por medio del método de cuadrantes centrados en un punto. Se calcularon los parámetros estructurales de dominancia, frecuencia y densidad, con los que se determinó el Índice de Valor de Importancia para los taxa arbóreos de cada sitio, y se obtuvo un histograma de distribuciones diamétricas mediante la función Weibull. La diversidad fue estimada por medio del índice de Shannon-Wiener. Se empleó la distancia euclidiana para medir la similitud florística entre los sitios. Se registraron 13 especies de árboles pertenecientes a cinco géneros y cinco familias botánicas. Las características estructurales de la vegetación evidencian que la del rodal 1 está dominada por Pinus cooperi con escasos elementos arbóreos acompañantes; mientras que la del rodal 2 es más diversa, en la cual P. durangensis tiene el mayor valor de importancia. Además, este es el que registra la diversidad más alta (H'= 1.07 a 1.58). La similitud entre ambos sitios es baja, a pesar de su cercanía y de situarse en intervalos de altitud similares, lo que constituye un ejemplo de la complejidad ecológica de la Sierra Madre Occidental.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: This study describes the structure and diversity of tree species in two stands with pine-oak temperate forests, located in the Chavarría Nuevo ejido of the community of Coscomate, in the municipality of Pueblo Nuevo, Durango. The vegetation was sampled using the method of four quadrants around a point. The structural parameters of dominance, frequency and dominance were estimated and used to determine the Importance Value Index for the tree taxa in each site; a diametric distribution histogram was obtained using the Weibull function. The diversity was estimated using the Shannon-Wiener index. The Euclidean distance was utilized to calculate the floristic similarity between the sites. 13 tree species belonging to five genera and five botanical families were recorded. The structural characteristics of the vegetation evidence that the vegetation of stand 1 is dominated by Pinus cooperi with scarcely any other tree species, while stand 2 shows a larger diversity, with a predominance of P. durangensis. Furthermore, this is the stand with the highest diversity (H'= 1.07 a 1.58). There is a low similarity between the two sites, despite their closeness and despite the fact that they are located at similar altitude intervals -an example of the ecological complexity of the Western Sierra Madre.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Arbutus]]></kwd>
<kwd lng="es"><![CDATA[bosque templado]]></kwd>
<kwd lng="es"><![CDATA[Juniperus blancoi Martínez]]></kwd>
<kwd lng="es"><![CDATA[Pinus]]></kwd>
<kwd lng="es"><![CDATA[Quercus]]></kwd>
<kwd lng="es"><![CDATA[Sierra Madre Occidental]]></kwd>
<kwd lng="en"><![CDATA[Arbutus]]></kwd>
<kwd lng="en"><![CDATA[temperate forest]]></kwd>
<kwd lng="en"><![CDATA[Juniperus blancoi Martínez]]></kwd>
<kwd lng="en"><![CDATA[Pinus]]></kwd>
<kwd lng="en"><![CDATA[Quercus]]></kwd>
<kwd lng="en"><![CDATA[Western Sierra Madre]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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