<?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>S2007-42982020000100001</article-id>
<article-id pub-id-type="doi">10.17129/botsci.2251</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Composición, estructura y riqueza de plantas vasculares del matorral xerófilo en el norte de Coahuila, México]]></article-title>
<article-title xml:lang="en"><![CDATA[Composition, structure and richness of vascular plants of the desert scrub in the north of Coahuila, Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Encina-Domínguez]]></surname>
<given-names><![CDATA[Juan A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arévalo-Sierra]]></surname>
<given-names><![CDATA[José R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villarreal-Quintanilla]]></surname>
<given-names><![CDATA[José A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Estrada Castillón]]></surname>
<given-names><![CDATA[Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma Agraria Antonio Narro Departamento de Recursos Naturales Renovables ]]></institution>
<addr-line><![CDATA[ Coahuila]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de La Laguna Facultad de Ciencias Departamento de Botánica, Ecología y Fisiología Vegetal]]></institution>
<addr-line><![CDATA[Islas Canarias ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Autónoma Agraria Antonio Narro Departamento de Botánica ]]></institution>
<addr-line><![CDATA[ Coahuila]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Autónoma de Nuevo León Facultad de Ciencias Forestales ]]></institution>
<addr-line><![CDATA[ Nuevo León]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2020</year>
</pub-date>
<volume>98</volume>
<numero>1</numero>
<fpage>1</fpage>
<lpage>15</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-42982020000100001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-42982020000100001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-42982020000100001&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Antecedentes: En el noreste de Coahuila el Altiplano desciende hacia la Llanura Costera de Coahuila y Nuevo León. En esta región la vegetación dominante es matorral espinoso tamaulipeco.  Pregunta: ¿Cuál es la composición, estructura y riqueza de especies de plantas vasculares del matorral xerófilo en el norte de Coahuila?  Especies de estudio y descripción de datos: Especies arbóreas, arbustivas y herbáceas del matorral xerófilo. Se incluye el cálculo de atributos estructurales de la vegetación, valor de importancia relativa y equitatividad.  Sitio de estudio y año de estudio: Estudio realizado en el municipio de Acuña, en el estado de Coahuila. De abril a septiembre de 2017.  Métodos: Se establecieron 76 sitios circulares de 100 m2 para cuantificar las especies arbustivas, de manera concéntrica sitios de 1,000 m2 para árboles y cuadrantes de 2 m2 para herbáceas. La diversidad alfa se analiza en términos de riqueza y equitatividad.  Resultados: Se registraron 150 especies agrupadas en 112 géneros y 43 familias. Se detectaron cuatro comunidades del matorral xerófilo: matorral subinerme, matorral desértico rosetófilo, matorral desértico micrófilo y matorral de arroyos. El matorral desértico micrófilo reveló los valores más altos de densidad (11,816 ind/ha). El matorral de arroyos tiene la mayor densidad en el estrato arbóreo, de igual forma presenta la mayor riqueza de especies para los estratos arbóreo, arbustivo y herbáceo.  Conclusiones: La composición y estructura de las comunidades detectadas del matorral xerófilo en el noreste de Coahuila, indican una zona de transición entre las provincias florísticas Planicie Costera del Noreste y Altiplanicie.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background: In the northeast of Coahuila, the Mexican Plateau reaches to the Coastal Plain of Coahuila and Nuevo León. In this region, the tamaulipan thorn scrub is the most common vegetation.  Question: What is the composition, structure and species richness of vascular plant species of the desert scrub in northern Coahuila?  Species of study and description of data: Tree, shrubs and herbaceous species of desert scrub. The calculation of structural attributes of the vegetation is included, in addition value of relative importance and evenness.  Study site and year of study: Study was conducted in municipality of Acuña, on the northern of the state of Coahuila. From April to September 2017.  Methods: 76 circular sites of 100 m2 were established to quantify the shrub species, concentrically sites of 1,000 m2 were used to quantify trees and quadrants of 2 m2 for herbaceous species. Alpha diversity is analyzed in terms of species richness and evenness.  Results: 150 species belonging to 112 genera and 43 families were registered. Four communities of the desert scrub were identified which are semi thorn scrub, rosette desert scrub, microphyllus desert scrub and stream scrub. The microphyllus desert scrub revealed the highest density values (11,816 ind/ha). The stream scrub has the highest density in the tree stratum and has the highest species richness for the tree, shrub and herbaceous strata.  Conclusions: The composition and structure of the communities from the desert scrub indicates a transition zone between floristic provinces Coastal Plain Northeast and Mexican Plateau at northeast Coahuila.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Comunidad vegetal]]></kwd>
<kwd lng="es"><![CDATA[florística]]></kwd>
<kwd lng="es"><![CDATA[matorrales]]></kwd>
<kwd lng="es"><![CDATA[riqueza de especies]]></kwd>
<kwd lng="en"><![CDATA[Floristic]]></kwd>
<kwd lng="en"><![CDATA[plant community]]></kwd>
<kwd lng="en"><![CDATA[scrubland]]></kwd>
<kwd lng="en"><![CDATA[species richness]]></kwd>
</kwd-group>
</article-meta>
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