<?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>1405-2768</journal-id>
<journal-title><![CDATA[Polibotánica]]></journal-title>
<abbrev-journal-title><![CDATA[Polibotánica]]></abbrev-journal-title>
<issn>1405-2768</issn>
<publisher>
<publisher-name><![CDATA[Instituto Politécnico Nacional, Escuela Nacional de Ciencias Biológicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1405-27682017000200067</article-id>
<article-id pub-id-type="doi">10.18387/polibotanica.44.5</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Composición y estructura del matorral desértico rosetófilo del sureste de Coahuila, México]]></article-title>
<article-title xml:lang="en"><![CDATA[Composition and structure of a rosetophyllus desert scrub of southeast Coahuila, México]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Molina-Guerra]]></surname>
<given-names><![CDATA[V.M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Soto-Mata]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cervantes-Balderas]]></surname>
<given-names><![CDATA[J.M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alanís Rodríguez]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Marroquín-Castillo]]></surname>
<given-names><![CDATA[J.J.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sarmiento-Muñoz]]></surname>
<given-names><![CDATA[T.I.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,RENAC, S.A. de C.V  ]]></institution>
<addr-line><![CDATA[Linares N.L]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma de Nuevo León Facultad de Ciencias Forestales ]]></institution>
<addr-line><![CDATA[Linares N.L.]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2017</year>
</pub-date>
<numero>44</numero>
<fpage>67</fpage>
<lpage>77</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-27682017000200067&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-27682017000200067&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-27682017000200067&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN: En este estudio se evaluó la composición y estructura del matorral desértico rosetófilo (MDR) del sureste de Coahuila, México. Se establecieron aleatoriamente 48 sitios de muestreo de 50 m2 (5x10 m), en los que se registraron todas las especies vegetales. Se registraron 18 familias, 45 géneros y 56 especies. La familia que presentó mayor porcentaje de especies fue Cactaceae con el 30.35% (17 especies), seguida de Asteraceae con 12.50% (siete especies) y Fabaceae y Poaceae cada una representada con el 8.92% (cinco especies). Los géneros con mayor número de especies fueron Agave, Echinocereus y Opuntia, con tres especies cada una. La estructura se analizó por estratos (alto y bajo), registrándose una densidad de 13522 ind./ha en el estrato alto y 41,841 ind./ha en el estrato bajo. Las especies con mayor valor de Índice de Valor de Importancia fueron Fouquieria splendens para el estrato alto y Agave lechuguilla para el estrato bajo. El presente estudio generó información cuantitativa del MDR sureste de Coahuila, el cual se espera sirva de base para futuros planes de manejo o conservación.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT: In this paper we evaluate the composition and structure of a rosetophyllus desert scrub (RDS) of southeast Coahuila, Mexico. Randomly 48 sampling sites of 50 square meters (5 x 10 m) were established. In each sampling site all of the plant species were registered. Eighteen families, 45 genera, and 56 species were recorded. The family that presented the highest percentage of species was Cactaceae with 30.35% (17 species), followed by Asteraceae with 12.50% (7 species); Fabaceae and Poaceae each represented with 8.92% (5 species). The genera with the most number of species was Agave, Echinocereus and Opuntia with species each. The structure was analyzed by two stratus&#8217;s, the high stratus with a density of 13,522 ind/ha and the low stratus with 41,841 ind/ha. The species recording the highest Index of Importance Value was Fouquieria splendens for the high stratus and Agave lechuguilla for low stratus. The present study generated quantitative information on the RDS of Coahuila, which is expected to serve as the basis for future management or conservation plans.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[diversidad]]></kwd>
<kwd lng="es"><![CDATA[Cactaceae]]></kwd>
<kwd lng="es"><![CDATA[Índice de Valor de Importancia]]></kwd>
<kwd lng="en"><![CDATA[Diversity]]></kwd>
<kwd lng="en"><![CDATA[Cactaceae]]></kwd>
<kwd lng="en"><![CDATA[Index of Importance Value]]></kwd>
</kwd-group>
</article-meta>
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