<?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>1405-0471</journal-id>
<journal-title><![CDATA[Madera y bosques]]></journal-title>
<abbrev-journal-title><![CDATA[Madera bosques]]></abbrev-journal-title>
<issn>1405-0471</issn>
<publisher>
<publisher-name><![CDATA[Instituto de Ecología A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1405-04712021000300113</article-id>
<article-id pub-id-type="doi">10.21829/myb.2021.2732246</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Fenología de Bursera simaruba y Bursera tomentosa en un bosque tropical seco de Chiapas, México]]></article-title>
<article-title xml:lang="en"><![CDATA[Phenology of Bursera simaruba and Bursera tomentosa at a tropical dry forest of Chiapas, Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Rodríguez]]></surname>
<given-names><![CDATA[Zuleima Guadalupe]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castro-Moreno]]></surname>
<given-names><![CDATA[Marisol]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Esquinca]]></surname>
<given-names><![CDATA[Alma Rosa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[de-la-Cruz-Chacón]]></surname>
<given-names><![CDATA[Iván]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Ciencias y Artes de Chiapas Instituto de Ciencias ]]></institution>
<addr-line><![CDATA[Tuxtla Gutiérrez Chiapas]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Ciencias y Artes de Chiapas Instituto de Ciencias Biológicas ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2021</year>
</pub-date>
<volume>27</volume>
<numero>3</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-04712021000300113&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-04712021000300113&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-04712021000300113&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El género Bursera es un componente característico de los bosques tropicales secos (BTS) de México y relevante para la conservación de estos hábitats, sin embargo, sus aspectos fenológicos son poco conocidos. Este estudio tuvo como objetivo caracterizar la fenología de Bursera simaruba Jacq. ex L y Bursera tomentosa (Jacq.) Triana &amp; Planch y evaluar su relación con las variables ambientales. El seguimiento fenológico se realizó en una zona protegida del BTS de la región florística conocida como Depresión Central en Chiapas, México durante un ciclo anual (mayo 2017- abril 2018). Se seleccionaron 50 individuos adultos de cada especie y se registró la intensidad de sus fenofases reproductivas (botón floral, flor abierta, desarrollo de frutos y permanencia de frutos) y fenofases vegetativas (brote foliar, hojas maduras, senescencia) utilizando los métodos de Fournier. La estacionalidad y sincronía de cada fase se estimó mediante estadística circular calculando el vector medio (r) y la prueba Rayleigh (Z). Además, se categorizaron los tipos funcionales de su fenología vegetativa y reproductiva. Las etapas fenológicas en ambas especies fueron estacionales (r &gt; 0.5), la floración y brote foliar sucedieron en un periodo breve mientras que el desarrollo vegetativo y las de producción de frutos fueron etapas más extendidas. Las fenofases reproductiva y vegetativa de Bursera simaruba y B. tomentosa son similares, las variables ambientales más correlacionadas (rs &#8805; 0.6) a ellas fueron la temperatura y la humedad. El estudio de estas burseras permite conocer su dinámica en el BTS y con esto proponer planes de manejo de estas especies resiníferas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The genus Bursera is a characteristic component of the tropical dry forest (TDF) of Mexico, however, despite being relevant for the conservation and management of the species, its biology is little known, among them, their phenological patterns and their associations with seasonal factors. The aim of this research was to characterize the phenology of Bursera simaruba Jacq. ex L and Bursera tomentosa (Jacq.) Triana &amp; Planch and to evaluate their relationship with environmental variables. The phenological study was realized in a protected area with tropical dry forest of the Central Depresion from Chiapas. Fifty adult trees of each specie were selected and the intensity of four reproductive phenophases (flower bud, open flower, fruit development and permanence of fruits) and three vegetative ones (leaf bud, mature leaves, senescence) were recorded using the Fournier method. Seasonality and synchrony in each phase were estimated by circular statistics calculating the mean vector (r) and the Rayleight test (Z). Also, the functional types of vegetative phenology were categorized and that of reproductive phenology. All the phenological stages were seasonal (r&gt; 0.5), in both species, the flowering and leaf bud phenophases occurred in a short period while the vegetative and fruit production phenophases are the more extended stages. The reproductive and vegetative phenology of Bursera simaruba and B. tomentosa were very similar, and the most correlated environmental variables with them (rs &#8805; 0.6) were temperature and humidity. These results allow to know the phenological dynamic of Bursera species in the TDF, and with this, to promote management and conservation strategies of these important species.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[estacionalidad]]></kwd>
<kwd lng="es"><![CDATA[fenología reproductiva]]></kwd>
<kwd lng="es"><![CDATA[fenología vegetativa]]></kwd>
<kwd lng="es"><![CDATA[floración corta]]></kwd>
<kwd lng="es"><![CDATA[fructificación extendida]]></kwd>
<kwd lng="en"><![CDATA[seasonality]]></kwd>
<kwd lng="en"><![CDATA[reproductive phenology]]></kwd>
<kwd lng="en"><![CDATA[vegetative phenology]]></kwd>
<kwd lng="en"><![CDATA[short flowering]]></kwd>
<kwd lng="en"><![CDATA[extended fruiting]]></kwd>
</kwd-group>
</article-meta>
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