<?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>2007-4018</journal-id>
<journal-title><![CDATA[Revista Chapingo serie ciencias forestales y del ambiente]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Chapingo ser. cienc. for. ambient]]></abbrev-journal-title>
<issn>2007-4018</issn>
<publisher>
<publisher-name><![CDATA[Universidad Autónoma Chapingo, Coordinación de Revistas Institucionales]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-40182019000300315</article-id>
<article-id pub-id-type="doi">10.5154/r.rchscfa.2018.12.093</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Tree diversity and stored carbon in cocoa (Theobroma cacao L.) agroforestry systems in Soconusco, Chiapas, Mexico]]></article-title>
<article-title xml:lang="es"><![CDATA[Diversidad arbórea y carbono almacenado en sistemas agroforestales de cacao (Theobroma cacao L.) en el Soconusco, Chiapas, México]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Suárez-Venero]]></surname>
<given-names><![CDATA[Gicli M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Avendaño-Arrazate]]></surname>
<given-names><![CDATA[Carlos H.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ruíz-Cruz]]></surname>
<given-names><![CDATA[Pablo A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Estrada-de los Santos]]></surname>
<given-names><![CDATA[Paulina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Guantánamo  ]]></institution>
<addr-line><![CDATA[Guantánamo ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Nacional de Investigaciones Forestales Agrícolas y Pecuarias  ]]></institution>
<addr-line><![CDATA[Tuxtla Chico Chiapas]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Politécnico Nacional Escuela Nacional de Ciencias Biológicas ]]></institution>
<addr-line><![CDATA[Miguel Hidalgo Ciudad de México]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2019</year>
</pub-date>
<volume>25</volume>
<numero>3</numero>
<fpage>315</fpage>
<lpage>332</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-40182019000300315&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-40182019000300315&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-40182019000300315&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction:  Cocoa (Theobroma cacao L.) yields in Chiapas, Mexico remain low, but can be improved with agroforestry designs that consider tree composition to ensure diversity and carbon sequestration.  Objective: To determine tree diversity and stored carbon at three elevational levels of cocoa agroforestry systems in Soconusco, Chiapas.  Materials and methods:  Representative 50 x 20 m plots were established at three elevational levels (0 to 50 m, 51 to 100 m and &#8805;101 m). Species were counted and classified taxonomically. Diameter at breast height, height of each species, diversity, similarity between pairs of heights, and carbon storage were estimated.  Results and discussion: Richness was 35 tree species selected by the producers to shade the cocoa crop. These were grouped into 32 genera and 22 families. Abundance was 199 trees, with abundance per plot and diversity being the highest at &#8805;101 m. Lower diversity was associated with heights with less equity between abundance and richness. Carbon stored in aerial biomass ranged from 224.9 to 362.1 Mg·ha-1; the amount was highest at lower elevations (0 to 50 m).  Conclusions:  Agroforestry systems had medium to high diversity. Species distribution, by elevational level, responds to the interests of the producers and to the composition of the natural forest. The amount of stored carbon was high, due to the abundance, richness and dominance of the species.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción:  Los rendimientos de cacao (Theobroma cacao L.) en Chiapas, México, aún son bajos, pero pueden ser mejorados con diseños agroforestales que consideren la composición arbórea para garantizar la diversidad y captura de carbono.  Objetivo: Determinar la diversidad arbórea y el carbono almacenado en tres niveles altitudinales de sistemas agroforestales con cacao en el Soconusco, Chiapas.  Materiales y métodos:  Se establecieron parcelas representativas de 50 x 20 m en tres niveles altitudinales (0 a 50 m, 51 a 100 m y &#8805;101 m). Las especies se contabilizaron y clasificaron taxonómicamente. Se estimaron el diámetro a la altura del pecho, la altura de cada especie, la diversidad y similitud entre pares de alturas, así como el almacenamiento de carbono.  Resultados y discusión: La riqueza fue de 35 especies arbóreas seleccionadas por los productores para sombra del cultivo de cacao. Estas se agruparon en 32 géneros y 22 familias. La abundancia fue de 199 árboles; la abundancia por parcela y diversidad fueron mayores en la altura &#8805;101 m. La menor diversidad estuvo asociada a las alturas con menor equidad entre abundancia y riqueza. El carbono almacenado en la biomasa aérea varió de 224.9 a 362.1 Mg·ha-1; la cantidad fue superior a más baja altura (0 a 50 m).  Conclusiones:  Los sistemas agroforestales presentaron diversidad media a alta. La distribución de las especies, por nivel altitudinal, responde a los intereses de los productores y a la composición del bosque natural. La cantidad de carbono almacenado fue alta, debido a la abundancia, riqueza y dominancia de las especies.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Elevational level]]></kwd>
<kwd lng="en"><![CDATA[species richness]]></kwd>
<kwd lng="en"><![CDATA[tree composition]]></kwd>
<kwd lng="en"><![CDATA[carbon sequestration]]></kwd>
<kwd lng="en"><![CDATA[shade trees]]></kwd>
<kwd lng="es"><![CDATA[Nivel altitudinal]]></kwd>
<kwd lng="es"><![CDATA[riqueza de especies]]></kwd>
<kwd lng="es"><![CDATA[composición arbórea]]></kwd>
<kwd lng="es"><![CDATA[captura de carbono]]></kwd>
<kwd lng="es"><![CDATA[árboles de sombra]]></kwd>
</kwd-group>
</article-meta>
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