<?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>2007-9028</journal-id>
<journal-title><![CDATA[Ecosistemas y recursos agropecuarios]]></journal-title>
<abbrev-journal-title><![CDATA[Ecosistemas y recur. agropecuarios]]></abbrev-journal-title>
<issn>2007-9028</issn>
<publisher>
<publisher-name><![CDATA[Universidad Juárez Autónoma de Tabasco, Dirección de Investigación y Posgrado]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-90282016000200193</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Uses of non-leguminous trees in silvopastoral systems in the south of the state of Mexico]]></article-title>
<article-title xml:lang="es"><![CDATA[Usos de los árboles no leguminosos en sistemas silvopastoriles del sur del estado de México]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Olivares-Pérez]]></surname>
<given-names><![CDATA[Jaime]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rojas-Hernández]]></surname>
<given-names><![CDATA[Saúl]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Avilés-Nova]]></surname>
<given-names><![CDATA[Francisca]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Camacho-Díaz]]></surname>
<given-names><![CDATA[Luis M]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cipriano-Salazar]]></surname>
<given-names><![CDATA[Moises]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jiménez-Guillén]]></surname>
<given-names><![CDATA[Régulo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Quiroz-Cardozo]]></surname>
<given-names><![CDATA[Fredy]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Guerrero Unidad Académica Medicina Veterinaria y Zootecnia ]]></institution>
<addr-line><![CDATA[Pungarabato Guerrero]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autonoma del Estado de México Centro Universitario ]]></institution>
<addr-line><![CDATA[ Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Nacional de Investigaciones Agrícolas, Forestales y Pecuarias Campo Experimental Iguala ]]></institution>
<addr-line><![CDATA[ Guerrero]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2016</year>
</pub-date>
<volume>3</volume>
<numero>8</numero>
<fpage>193</fpage>
<lpage>202</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-90282016000200193&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-90282016000200193&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-90282016000200193&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: The objective was to characterize the livestock production units (LPU) and identify the forage importance, uses, and density of non-leguminous trees in silvopastoral systems in the south of the State of Mexico. Sixty-nine surveys were conducted to ascertain the current use of trees; on transects were evaluated their density, abundance and frequency; the diameter at breast height (DBH) and the height (h) of trees were measured metrically. The most important trees with regard to foraging were Guazuma ulmifolia (72.5 %) and Crescentia alata (63.8 %). These trees had the highest number of uses at seven and nine, respectively. The density of scattered trees and trees used for living fences was highest for G. ulmifolia (4.5 trees ha&#8722;1 and one tree per 100 linear m) and C. alata (7.2 trees ha&#8722;1 and 0.54 trees per 100 linear m). The DBH for scattered trees was highest for C. alata at 44.4 cm, while in the case of living fences it was highest for Ficus glabrata at 114.5 cm. We conclude that the outstanding PU accounting uses, foraging preference, and dasometric characteristics are accounted for by C. alata and G. ulmifolia, which as multiple purpose trees can be integrated in silvopastoral systems in the study area.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: El objetivo fue caracterizar las Unidades de Producción Pecuaria (UPP), e identificar la importancia forrajera, usos y la densidad de los árboles no leguminosos en los sistemas silvopastoriles del sur del Estado de México. Se realizaron sesenta y nueve encuestas para conocer el uso de los árboles; en transectos se evaluaron su densidad, abundancia y frecuencia; el diámetro a la altura del pecho (DAP), con la altura (h) del árbol se midieron métricamente. Los árboles con mayor importancia forrajera fueron Guazuma ulmifolia (72.5 %) y Crescentia alata (63.8 %); estos mismos árboles presentaron el mayor número de usos con siete y nueve, respectivamente. La densidad de árboles dispersos y en las cercas vivas fue mayor para G. ulmifolia (4.5 árboles ha&#8722;1 y un árbol en 100 m lineales) y C. alata (7.2 árboles ha&#8722;1 y 0.54 árboles en 100 m lineales). El DAP en árboles dispersos fue mayor en C. alata con 44.4 cm y en árboles en la cerca viva fue en Ficus glabrata con 114.5 cm. Se concluye que en las UP los árboles más sobresalientes por sus usos, preferencia forrajeras y características dasométricas fueron C. alata y G. ulmifolia, y por ser árboles con usos múltiples, pueden ser integrados a los sistemas silvopastoriles en el área de estudio.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Uses]]></kwd>
<kwd lng="en"><![CDATA[foraging preference]]></kwd>
<kwd lng="en"><![CDATA[dasometric characteristics]]></kwd>
<kwd lng="en"><![CDATA[trees]]></kwd>
<kwd lng="en"><![CDATA[density]]></kwd>
<kwd lng="es"><![CDATA[Usos]]></kwd>
<kwd lng="es"><![CDATA[preferencia forrajera]]></kwd>
<kwd lng="es"><![CDATA[características dasométricas]]></kwd>
<kwd lng="es"><![CDATA[árboles]]></kwd>
<kwd lng="es"><![CDATA[densidad]]></kwd>
</kwd-group>
</article-meta>
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