<?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>1870-3453</journal-id>
<journal-title><![CDATA[Revista mexicana de biodiversidad]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Mex. Biodiv.]]></abbrev-journal-title>
<issn>1870-3453</issn>
<publisher>
<publisher-name><![CDATA[Instituto de Biología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1870-34532015000100072</article-id>
<article-id pub-id-type="doi">10.7550/rmb.40248</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Distribución de la vegetación nativa en ambientes geomorfológicos cuaternarios del Monte Árido Central de Argentina]]></article-title>
<article-title xml:lang="en"><![CDATA[Distribution of native vegetation in Quaternary geomorphologic environments of the Monte Árido Central of Argentina]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Flores]]></surname>
<given-names><![CDATA[Daniel G.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Suvires]]></surname>
<given-names><![CDATA[Graciela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Dalmasso]]></surname>
<given-names><![CDATA[Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional de San Juan Facultad de Ciencias Exactas, Físicas y Naturales Instituto de Geología]]></institution>
<addr-line><![CDATA[San Juan ]]></addr-line>
<country>AR</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional de San Juan Departamento de Geología Departamento de Biología]]></institution>
<addr-line><![CDATA[Rivadavia San Juan]]></addr-line>
<country>AR</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2015</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2015</year>
</pub-date>
<volume>86</volume>
<numero>1</numero>
<fpage>72</fpage>
<lpage>79</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-34532015000100072&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-34532015000100072&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-34532015000100072&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[El valle de Zonda se localiza en la provincia fitogeográfica del Monte. El objetivo de este trabajo es el reconocimiento de unidades geomorfológicas, la identificación de las especies y la cobertura de especies de plantas nativas de este sector, con el fin de investigar relaciones entre la distribución de la vegetación y los ambientes geomorfológicos que la sustentan. Para el análisis geomorfológico se utilizaron criterios morfogenéticos y morfodinámicos. La unidad de muestreo consistió en un transecto de 50 m de largo y cada 0.50 m se cuantificó el número de especies, la cobertura y la composición específica de la vegetación. Se clasificaron en 4 estratos: árboles, arbustos, suculentas y herbáceas. Los resultados indican la presencia de 6 unidades geomorfológicas: piedemonte sierra Chica, planicie aluvial río Seco de la Ciénaga, piedemonte sierra Negra, piedemonte cerro Blanco, piedemonte sierra de Marquesado y antiguo abanico aluvial río San Juan. Se identificaron 97 especies nativas pertenecientes a 37 familias. La cobertura de la vegetación muestra diferencia significativa (F(5, 91)= 1.1510, p= 0.001, n= 126). En la región de estudio, la distribución de la vegetación se relaciona con las distintas morfogénesis, característica y dinámica de los depósitos de cada unidad geomorfológica, en donde los factores intrínsecos de la vegetación juegan un papel importante.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Zonda is located in the Monte phytogeographic province of Argentina. The aim of this study is to recognize the geomorphic units, the identification of the species and the native species coverage in this area in order to identify the causes of vegetation distribution and its possible relationship to geomorphic environments. Morphodynamic and morphogenetic criteria were used for geomorphological analysis. Sampling lines of 50 m. were traced and every 0.50 m, the presence, coverage and species richness were evaluated. Four strata were identified: trees, shrubs, cactus and grasses. The results indicate the presence of 6 geomorphological units: Sierra Chica de Zonda piedmont, Seco de la Ciénaga River floodplain, Sierra Alta de Zonda piedmont, Cerro Blanco piedmont, Sierra de Maquesado piedmont and San Juan River alluvial fan. Ninety-seven species of native plants were identified belonging to 37 families. The analysis of the vegetation coverage shows significant differences (F(5, 91)= 1.1510; p= 0.001, n= 126). In the study region, the distribution of vegetation is related to different morphogenesis and dynamic characteristics of each geomorphology deposits unit, where vegetation intrinsic factors play an important role.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Desierto]]></kwd>
<kwd lng="es"><![CDATA[Morfodinámica]]></kwd>
<kwd lng="es"><![CDATA[Ecosistema]]></kwd>
<kwd lng="es"><![CDATA[Zonda]]></kwd>
<kwd lng="es"><![CDATA[Valle]]></kwd>
<kwd lng="en"><![CDATA[Desert]]></kwd>
<kwd lng="en"><![CDATA[Morphodinamic]]></kwd>
<kwd lng="en"><![CDATA[Ecosystem]]></kwd>
<kwd lng="en"><![CDATA[Zonda]]></kwd>
<kwd lng="en"><![CDATA[Valley]]></kwd>
</kwd-group>
</article-meta>
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