<?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>S2007-11322024000400004</article-id>
<article-id pub-id-type="doi">10.29298/rmcf.v15i84.1440</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Ecuaciones de volumen fustal-total y ahusamiento para especies maderables del ecosistema templado en Puebla, México]]></article-title>
<article-title xml:lang="en"><![CDATA[Total-stem volume and taper equations for commercial species in the temperate ecosystem of the state of Puebla, Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Monárrez-González]]></surname>
<given-names><![CDATA[José Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Márquez-Linares]]></surname>
<given-names><![CDATA[Marco Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López Hernández]]></surname>
<given-names><![CDATA[Juan Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez Verdín]]></surname>
<given-names><![CDATA[Gustavo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Quiñonez Barraza]]></surname>
<given-names><![CDATA[Gerónimo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García Cuevas]]></surname>
<given-names><![CDATA[Xavier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias Campo Experimental Valle de Guadiana ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Politécnico Nacional Centro Interdisciplinario de Investigación para el Desarrollo Integral Regional Unidad Durango]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad para el Bienestar Benito Juárez García Sede Tepehuanes Durango ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2024</year>
</pub-date>
<volume>15</volume>
<numero>84</numero>
<fpage>4</fpage>
<lpage>28</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-11322024000400004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-11322024000400004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-11322024000400004&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen En silvicultura, la estimación precisa del volumen maderable es fundamental para el manejo forestal en bosques templados. El objetivo de la presente investigación fue generar ecuaciones de volumen total árbol (Vta), volumen fustal (Vf) y perfil del fuste para Pinus ayacahuite, Pinus leiophylla, Pinus hartwegii, Pinus montezumae, Pinus patula, Pinus pseudostrobus, Pinus teocote, Abies religiosa y Quercus sp. en paisajes productivos de un ecosistema templado en Puebla, México. Mediante un muestreo destructivo se recolectó una muestra de 1 676 árboles. Con base en el tipo dendrométrico se obtuvo el Vf, Vta y volumen de copa (Vc). Con un xilómetro y el modelo no lineal de Berkhout se estimó el volumen de ramas y ramillas con diámetros menores a 5 cm. Para Vta y Vf se ajustó el modelo Schumacher-Hall con regresión ponderada para corregir la heterocedasticidad. La función de Biging se usó para describir el perfil fustal, ajustado con mínimos cuadrados generalizados no lineales para corregir la autocorrelación. La bondad de ajuste de las ecuaciones fue superior a 96 % y un sesgo menor a 0.04 m3. Los resultados estadísticos muestran que el sistema de ecuaciones diferenciado predice con certidumbre el Vta, Vf y ahusamiento de las especies maderables comerciales en los bosques templados de Puebla, México.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract In forestry, accurate estimation of timber volume is essential for forest management in temperate forests. The objective of the present research was to generate equations of the total tree volume (Vtt), stem volume (Vs), and stem profile for Pinus ayacahuite, Pinus leiophylla, Pinus hartwegii, Pinus montezumae, Pinus patula, Pinus pseudostrobus, Pinus teocote, Abies religiosa and Quercus sp. in productive landscapes of a temperate ecosystem in the state of Puebla, Mexico. A sample of 1 676 trees was collected by destructive sampling. Based on the dendrometric type, the Vs, Vtt, and crown volume (Vc) were obtained. The volume of branches and twigs with diameters less than 5 cm was estimated using a xylometer and the Berkhout nonlinear model. The Schumacher-Hall model was fitted for the Vtt and the Vs with weighted regression in order to correct for heteroscedasticity. The Biging function was used to describe the stem profile, fitted with nonlinear generalized least squares to correct for autocorrelation. The goodness of fit of the equations are above 96 %, and the bias is below 0.04 m3. The statistical results show that the differential equation system predicts with certainty the Vtt, Vs, as well as the taper of commercial species in the temperate forests of Puebla, Mexico.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Ahusamiento]]></kwd>
<kwd lng="es"><![CDATA[ecuaciones alométricas]]></kwd>
<kwd lng="es"><![CDATA[perfil fustal]]></kwd>
<kwd lng="es"><![CDATA[Pinus spp.]]></kwd>
<kwd lng="es"><![CDATA[volumen fustal]]></kwd>
<kwd lng="es"><![CDATA[volumen total árbol]]></kwd>
<kwd lng="en"><![CDATA[Taper]]></kwd>
<kwd lng="en"><![CDATA[allometric equations]]></kwd>
<kwd lng="en"><![CDATA[stem profile]]></kwd>
<kwd lng="en"><![CDATA[Pinus spp.]]></kwd>
<kwd lng="en"><![CDATA[stem volume]]></kwd>
<kwd lng="en"><![CDATA[total tree volume]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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