<?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>S2007-11322018000100036</article-id>
<article-id pub-id-type="doi">10.29298/rmcf.v9i45.142</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Diversidad y estructura arbórea en un bosque de Abies vejarii Martínez en el sur del estado de Nuevo León]]></article-title>
<article-title xml:lang="en"><![CDATA[Tree diversity and structure in an Abies vejarii Martínez at the south of Nuevo León state]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González Cubas]]></surname>
<given-names><![CDATA[Rigoberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Treviño Garza]]></surname>
<given-names><![CDATA[Eduardo Javier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González Tagle]]></surname>
<given-names><![CDATA[Marco Aurelio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Duque Montoya]]></surname>
<given-names><![CDATA[Álvaro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gómez Cárdenas]]></surname>
<given-names><![CDATA[Martín]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Nuevo León Facultad de Ciencias Forestales ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional de Colombia Facultad de Ciencias Agrarias Departamento de Ciencias Forestales]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,INIFAP Campo Experimental Uruapan CIR-Pacífico Centro]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2018</year>
</pub-date>
<volume>9</volume>
<numero>45</numero>
<fpage>36</fpage>
<lpage>65</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-11322018000100036&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-11322018000100036&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-11322018000100036&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: Para evaluar la diversidad de especies y la densidad arbórea en bosques naturales de Abies vejarii en el sur de Nuevo León, se aplicó un muestreo dirigido en cuatro Sitios Permanentes de Investigación Forestal de 2 500 m2, a 100 m de altitud entre cada comunidad. Se registró información dasométrica del arbolado para diámetros normales mayores a 7.5 cm. Se determinó la composición de especies, la diversidad, la densidad de individuos, el área basal y la dominancia por especie entre gradiente altitudinal. Se realizó un análisis estadístico con la hipótesis de igualdad de medianas mediante la prueba no paramétrica de Kruskal-Wallis; se evaluó el efecto de la distancia en altitud a partir de las curvas de rarefacción de especies y pruebas de mantel. Resultó un total de 553 individuos de siete familias, 10 géneros y 15 especies. Pinaceae y Fagaceae alcanzaron el mayor índice de valor de importancia; la primera aportó la mayoría de los taxa. La densidad forestal promedio fue de 523 individuos ha-1, con un área basal promedio de 30.44 m2ha-1. El índice de Shannon-Weiner (H') varió de 1.47 a 1.76. La prueba de mantel no reconoció diferencias significativas en la distancia entre las comunidades (p&gt;0.05); la prueba de Kruskal-Wallis y las curvas de rarefacción revelaron que la riqueza de especies varió significativamente (p&lt;0.05). Los diámetros más frecuentes son menores a 40 cm. Se concluye que la mayor diversidad se presentó en la comunidad de menor altitud y la estructura corresponde a la de un bosque maduro irregular sin manejo.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: To evaluate species diversity and tree density in natural forests of Abies vejarii in south Nuevo León, a directed sampling was applied in four Permanent Forest Research Sites of 2 500 m2, at 100 m high between each community. Tree diameter information was recorded for normal diameters greater than 7.5 cm. Species composition, diversity, density of individuals, basal area and dominance by species between altitudinal gradient were determined. A statistical analysis was performed with the hypothesis of equality of medians with Kruskal-Wallis nonparametric test; the effect of distance at altitude was evaluated by means of species rarefaction curves and tablecloth tests. It was a total of 553 individuals of 7 families, 10 genera and 15 species. Pinaceae and Fagaceae reached the highest importance value index; the first contributed with most species. The average forest density was 523 ha-1 individuals with an average basimetric area of 30.44 m2ha-1. The Shannon-Weiner index (H ') varied from 1.47 to 1.76. The mantel test did not recognize significant differences in the distance between the communities (p&gt; 0.05); the Kruskal-Wallis test and the rarefaction curves revealed that the richness of species varied significantly (p &lt;0.05). The most frequent diameters are less than 40 cm. It is concluded that the greatest diversity of species occurred in the lower elevation community and the structure corresponds to that of an irregular mature forest without management.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Abies vejarii Martínez]]></kwd>
<kwd lng="es"><![CDATA[curvas de rarefacción]]></kwd>
<kwd lng="es"><![CDATA[gradiente altitudinal]]></kwd>
<kwd lng="es"><![CDATA[índices de diversidad]]></kwd>
<kwd lng="es"><![CDATA[prueba de Kruskal-Wallis]]></kwd>
<kwd lng="es"><![CDATA[prueba de mantel]]></kwd>
<kwd lng="en"><![CDATA[Abies vejarii Martínez]]></kwd>
<kwd lng="en"><![CDATA[rarefaction curves]]></kwd>
<kwd lng="en"><![CDATA[altitudinal gradient]]></kwd>
<kwd lng="en"><![CDATA[diversity indexes]]></kwd>
<kwd lng="en"><![CDATA[Kruskal-Wallis test]]></kwd>
<kwd lng="en"><![CDATA[tablecloth test]]></kwd>
</kwd-group>
</article-meta>
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