<?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>2007-4298</journal-id>
<journal-title><![CDATA[Botanical Sciences]]></journal-title>
<abbrev-journal-title><![CDATA[Bot. sci]]></abbrev-journal-title>
<issn>2007-4298</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Botánica de México A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-42982022000100042</article-id>
<article-id pub-id-type="doi">10.17129/botsci.2822</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Dendrometric variables and traumatic resin ducts in pine species associated with wood-stripping: a traditional practice in the conifer forests of Central Mexico]]></article-title>
<article-title xml:lang="es"><![CDATA[Variables dendrométricas y formación de canales de resina traumáticos en especies de pino relacionados con una práctica forestal tradicional en el centro de México]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Díaz-Carranza]]></surname>
<given-names><![CDATA[Guadalupe]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Andrés Hernández]]></surname>
<given-names><![CDATA[Agustina Rosa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guillén]]></surname>
<given-names><![CDATA[Susana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rivas-Arancibia]]></surname>
<given-names><![CDATA[Sombra Patricia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Montoya Esquivel]]></surname>
<given-names><![CDATA[Adriana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,aff1  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Benemérita Universidad Autónoma de Puebla Facultad de Ciencias Biológicas ]]></institution>
<addr-line><![CDATA[ Puebla]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Veracruzana Instituto de Investigaciones Forestales ]]></institution>
<addr-line><![CDATA[Xalapa ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Autónoma de Tlaxcala Centro de Investigación en Ciencias Biológicas ]]></institution>
<addr-line><![CDATA[ Tlaxcala]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2022</year>
</pub-date>
<volume>100</volume>
<numero>1</numero>
<fpage>42</fpage>
<lpage>55</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-42982022000100042&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-42982022000100042&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-42982022000100042&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background: In La Malinche National Park (LMNP), Pinus species are exploited mainly because they are a non-woody source of products such as ocote (resinous wood chips) and wood.  Questions/Objective:  Which Pinus species are subjected to wood-stripping (WS) in the LMNP? What are their dendrometric characteristics? Do WS trees present traumatic resin ducts associated with the ocoteo practice? Does the number of trees subjected to WS increase with altitude?  Study site and dates: La Malinche National Park; Tlaxcala, México, 2017-2018.  Methods: Random stratified sampling was done in a total of 33 plots in three different altitudes to quantify the number of damaged and undamaged trees and the total height and diameter per tree in each plot. Increment borers were obtained to estimate tree age, samples were taken for taxonomic determination, and tissue samples to evaluate mechanical damage.  Results: Pine species subjected to wood-stripping (ocoteo) were P. leiophylla, P. montezumae, P. pseudostrobus, and P. teocote, with P. montezumae being the most affected in high and mid altitudes. WS trees were those with the greatest diameter and with the largest number of traumatic resin ducts. The species having the highest number of traumatic resin ducts was P. teocote.  Conclusions: WS intensity in the LMNP is greater in the mid and low altitudes and in trees of greater diameter, height, and age. The species most affected by WS is P. montezumae and all WS individuals have a significantly higher number of traumatic resin ducts.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Antecedentes: En el Parque Nacional La Malinche, las especies de Pinus se explotan principalmente por ser fuente de madera y recursos forestales no maderables como el ocote.  Preguntas/Objetivos:  ¿Cuáles son las especies de pino que se ocotean en el PNLM? ¿Cuáles son sus características dendrométricas? ¿Los árboles presentan canales traumáticos asociados a la práctica de ocoteo? ¿El número de árboles sujetos a ocoteo incrementa dependiendo de la altitud?  Sitio de estudio y fechas: Parque Nacional La Malinche, Tlaxcala, México, 2017-2018.  Métodos: Se realizó un muestreo estratificado aleatorio con un total de 33 rodales en tres altitudes, cuantificando el número de árboles dañados y no dañados, altura total y diámetro. Se obtuvieron núcleos de crecimiento para estimar la edad de los árboles, se tomaron muestras para determinaciones taxonómicas y muestras de tejido para evaluar el daño mecánico.  Resultados:  Las especies de pino sometidas a ocoteo fueron P. leiophylla, P. pseudostrobus, P. montezumae y P. teocote, siendo P. montezumae la más ocoteada en altitudes alta y media. Los árboles ocoteados fueron los de mayor diámetro y con mayor número de canales traumáticos. La especie que presentó más canales traumáticos fue P. teocote.  Conclusiones: La intensidad de ocoteo en el PNLM es mayor en altitudes media y baja y en árboles de mayor diámetro, altura y edad. La especie ocoteada con mayor intensidad es P. montezumae. Todos los individuos ocoteados presentan un mayor número de canales traumáticos.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[forest resources]]></kwd>
<kwd lng="en"><![CDATA[La Malinche National Park]]></kwd>
<kwd lng="en"><![CDATA[ocoteo]]></kwd>
<kwd lng="en"><![CDATA[resin ducts]]></kwd>
<kwd lng="en"><![CDATA[temperate forest]]></kwd>
<kwd lng="en"><![CDATA[traditional uses]]></kwd>
<kwd lng="es"><![CDATA[Bosque templado]]></kwd>
<kwd lng="es"><![CDATA[canales de resina, ocoteo, Parque Nacional La Malinche, recursos forestales, usos tradicionales]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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