<?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>S2007-11322024000500123</article-id>
<article-id pub-id-type="doi">10.29298/rmcf.v15i85.1471</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Distribución, estructura y diversidad de bosques de Pseudotsuga menziesii (Mirb.) Franco en la Sierra Madre Occidental en Chihuahua]]></article-title>
<article-title xml:lang="en"><![CDATA[Distribution, structure and diversity of Pseudotsuga menziesii (Mirb.) Franco forests in the Sierra Madre Occidental in Chihuahua]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Molina Marchan]]></surname>
<given-names><![CDATA[Emanuel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Narváez Flores]]></surname>
<given-names><![CDATA[Raúl]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Olivas García]]></surname>
<given-names><![CDATA[Jesús Miguel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández Salas]]></surname>
<given-names><![CDATA[Javier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mojica Guerrero]]></surname>
<given-names><![CDATA[Aldo Saúl]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Chihuahua Facultad de Ciencias Agrícolas y Forestales ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma de Nuevo León Facultad de Ciencias Forestales ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>10</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>10</month>
<year>2024</year>
</pub-date>
<volume>15</volume>
<numero>85</numero>
<fpage>123</fpage>
<lpage>149</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-11322024000500123&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-11322024000500123&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-11322024000500123&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen En México, Pseudotsuga menziesii está &#8220;sujeta a protección especial&#8221; por su distribución restringida en poblaciones pequeñas y aisladas en las Sierras Madre Occidental y Oriental, y algunas localidades del Centro de México. Actualmente, son escasos los estudios ecológicos que permitan implementar estrategias para su conservación. Por lo anterior, el objetivo del presente estudio fue determinar la distribución, estructura y diversidad de bosques mixtos con presencia de esta especie en Chihuahua. Mediante la Carta de Uso de Suelo y Vegetación de Chihuahua escala 1:50 000, coordenadas geográficas del Inventario Estatal Forestal y de Suelos (Iefys) 2009-2014 y registros de diversas localidades, se elaboró el mapa de su distribución en el estado. Con la información del estrato arbóreo de 11 localidades del Iefys se determinó el Índice de Valor de Importancia (IVI) y la diversidad con el Índice de Shannon-Wiener (H&#8217;) y de Equidad de Pielou (J&#8217;); la prueba de t de Hutcheson se utilizó para obtener diferencias significativas de H&#8217; y la diversidad verdadera para la magnitud de sus diferencias. Se registraron 21 especies, las de mayor importancia fueron Pinus durangensis, Pinus strobiformis, Pseudotsuga menziesii, Pinus arizonica y Quercus sideroxyla. La especie de interés se distribuye en 23 municipios de Chihuahua, y comprende una superficie aproximada de 17 000 ha. Los valores de H&#8217; (&lt;2.00) y J&#8217; (&gt;0.70) indican una baja diversidad y una alta equidad de sus abundancias. El presente estudio contribuirá a la Estrategia Estatal para la Conservación y Uso Sustentable de la Biodiversidad de especies en riesgo.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Pseudotsuga menziesii is &#8220;subject to special protection&#8221;. In Mexico due to its restricted distribution in small and isolated populations in the Sierra Madre Occidental and Oriental, and some localities in Central Mexico. Currently, few ecological studies allow implementation strategies for its conservation. Therefore, the objective of the present study was to determine the distribution, structure and diversity of mixed forests with the presence of this species in Chihuahua. Using the Land Use and Vegetation Chart of Chihuahua State scale 1:50 000, geographical coordinates of the State Forest and Soil Inventory (Iefys) 2009-2014 and records of various locations, the map of its distribution in the state was prepared. With the information on the tree stratum of 11 Iefys locations, the Importance Value Index (IVI) and diversity were determined with the Shannon-Wiener index (H') and Pielou's evenness index (J'); Hutcheson's t-test was used to obtain significant differences in H' and true diversity for the magnitude of their differences. 21 species were recorded, of which the most important are Pinus durangensis, Pinus strobiformis, Pseudotsuga menziesii, Pinus arizonica and Quercus sideroxyla. The species of interest is distributed in 23 municipalities of Chihuahua, and covers an approximate area of 17 000 ha. The values of H' (&lt;2.00) and J' (&gt;0.70) indicate low diversity and high evenness of their abundances. The present study will contribute to the State Strategy for the Conservation and Sustainable Use of the Biodiversity of species at risk.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Ayarín]]></kwd>
<kwd lng="es"><![CDATA[conservación biológica]]></kwd>
<kwd lng="es"><![CDATA[ecosistemas templados]]></kwd>
<kwd lng="es"><![CDATA[Índice de Valor de Importancia]]></kwd>
<kwd lng="es"><![CDATA[Pseudotsuga menziesii (Mirb.) Franco]]></kwd>
<kwd lng="es"><![CDATA[riqueza florística]]></kwd>
<kwd lng="en"><![CDATA[Oregon pine]]></kwd>
<kwd lng="en"><![CDATA[biological conservation]]></kwd>
<kwd lng="en"><![CDATA[temperate ecosystems]]></kwd>
<kwd lng="en"><![CDATA[Importance Value Index]]></kwd>
<kwd lng="en"><![CDATA[Pseudotsuga menziesii (Mirb.) Franco]]></kwd>
<kwd lng="en"><![CDATA[floristic richness]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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