<?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>0187-5779</journal-id>
<journal-title><![CDATA[Terra Latinoamericana]]></journal-title>
<abbrev-journal-title><![CDATA[Terra Latinoam]]></abbrev-journal-title>
<issn>0187-5779</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de la Ciencia del Suelo A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0187-57792018000400381</article-id>
<article-id pub-id-type="doi">10.28940/terra.v36i4.401</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Comunidades vegetales en suelo de ecosistema semiárido y su relación con hongos micorrízicos]]></article-title>
<article-title xml:lang="en"><![CDATA[Plant communities in soil of semiarid ecosystem and their relationship with mycorrhizal fungi]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Quiñónez Martínez]]></surname>
<given-names><![CDATA[Miroslava]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Enríquez Anchondo]]></surname>
<given-names><![CDATA[Irma Delia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Flores Margez]]></surname>
<given-names><![CDATA[Juan Pedro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Palacios Ramirez]]></surname>
<given-names><![CDATA[Karla Yamel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Olivas Sánchez]]></surname>
<given-names><![CDATA[Martha Patricia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Garza Ocañas]]></surname>
<given-names><![CDATA[Fortunato]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lebgue Keleng]]></surname>
<given-names><![CDATA[Toutcha]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Nájera Medellin]]></surname>
<given-names><![CDATA[Jesús Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Ciudad Juárez Instituto de Ciencias Biomédicas ]]></institution>
<addr-line><![CDATA[Cd. Juárez Chih]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma de Nuevo León Facultad de Ciencias Forestales ]]></institution>
<addr-line><![CDATA[Linares Nuevo León]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Autónoma de Chihuahua Facultad de Zootecnia ]]></institution>
<addr-line><![CDATA[Chihuahua Chih]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2018</year>
</pub-date>
<volume>36</volume>
<numero>4</numero>
<fpage>381</fpage>
<lpage>391</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0187-57792018000400381&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0187-57792018000400381&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0187-57792018000400381&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: Las comunidades vegetales micróf ilas y xeróf ilas en el norte de Chihuahua se desarrollan en condiciones de estrés climático y ambiental. Se considera que esta resistencia puede estar relacionada con la presencia de hongos micorrízicos de tipo vesículo arbusculares (HMVA). El objetivo de este trabajo fue relacionar el tipo de suelo con la presencia de HMVA en la rizósfera de las plantas de matorrales desérticos, como una posible respuesta a la resistencia de las plantas bajo condiciones ambientales extremas en las comunidades vegetales del área natural protegida (ANP) médanos de Samalayuca, Juárez, Chihuahua. Durante los meses de marzo a octubre de 2016, se realizaron dos muestreos dirigidos seleccionando cuatro puntos de muestreo con base en el tipo de comunidad vegetal registrada en campo. Los transectos fueron de 100 m, se generaron diez parcelas de 20 × 25 m2 en cada zona y para cada parcela se registró el número de individuos por especie vegetal. Los índices de Shannon, Simpson, Pielou y Morisita fueron utilizados para el estudio de las comunidades. Se tomaron submuestras de suelo de 500 g a una profundidad de 0 a 30 cm en cada sitio de muestreo. Los análisis físicos y químicos de suelo fueron pH, textura, conductividad eléctrica, porcentaje de humedad, nitrógeno mineral y fósforo extractable. La extracción y conteo de esporas de HMVA se realizó por medio de tamizado húmedo, decantación y centrifugación en solución sacarosa al 70%. Se determinaron tres tipos de comunidad vegetal: matorral inerme parvifolio, matorral mediano subinerme y matorral de médanos. La especie con mayor presencia y dominancia fue Larrea tridentata. Los suelos del área estudiada resultaron ser arenosos, alcalinos, con baja salinidad y contenido de nitrógeno y altos de fósforo. Los géneros de HMVA encontrados fueron: Gigaspora, Acaulospora, Glomus y Paraglomus. El análisis de correlación de Pearson indicó que no existe relación estadística significativa entre la cantidad de nitrógeno inorgánico con la densidad de las esporas de HMVA (r = 0.585), mientras que para el fósforo se detectó una significativa relación entre su concentración y la densidad de esporas (r = 0.987). La relación entre la cantidad de esporas y concentración de nutrientes del suelo demuestra que entre más bajo en nutrientes es menor el número de esporas, sin embargo, no se puede determinar directamente la resistencia de las plantas con la presencia de los HMVA.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Summary: The microphilous and xerophilous plant communities in northern Chihuahua develop under environmental stress. Resistance to this stress may be related to the presence of vesicular arbuscular mycorrhizal fungi (HMVA). The objective of this study was to relate the type of soil and the presence of HMVA in the rhizosphere of desert scrubs, as a possible response to the resistance of plants under extreme environmental conditions, in the plant community of ANP Medanos de Samalayuca, Juárez, Chihuahua. During the months of March to October 2016, two directed samplings were carried out, selecting four sampling points based on the type of plant community registered in the field. At each sampling point, transects of 100 m were launched, generating ten 20 × 25 m2 plots in each zone. For each plot, the number of individuals per plant species was registered. The Shannon, Simpson, Pielou and Morisita indexes were used. A total of 500 g subsamples of soil was taken at a depth of 0 to 30 cm at each sampling site. Each sample was processed and subjected to physical and chemical analyses such as pH, texture, electrical conductivity, moisture percentage, inorganic nitrogen and extractable phosphorus. Spores were extracted and counted by wet sieving, decantation and centrifugation in 70% sucrose solution. Three types of plant community were determined: matorral inerme parvifolio, matorral mediano subinerme and matorral de medanos. In general, the most common and dominant species was Larrea tridentata. The soils were sandy, alkaline, low soil salinity, low in inorganic nitrogen and high in extractable phosphorus. The HMVA genera found were Gigaspora, Acaulospora, Glomus and Paraglomus. The Pearson correlation analysis indicated that there is no statistically significant relationship between the amount of inorganic nitrogen and the density of HMVA spores (r = 0.585). Regarding phosphorus, a meaningful relationship was found between its concentration and spore density (r = 0.987). The relationship between the number of spores and nutrient concentrations shows that the poorer in nutrients the smaller number of spores; however, resistance of the plants cannot be directly determined by the presence of the HMVA.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[micorrizas arbusculares]]></kwd>
<kwd lng="es"><![CDATA[rizósfera]]></kwd>
<kwd lng="es"><![CDATA[matorrales desérticos]]></kwd>
<kwd lng="en"><![CDATA[arbuscular mycorrhiza]]></kwd>
<kwd lng="en"><![CDATA[rhizosphere]]></kwd>
<kwd lng="en"><![CDATA[desert scrubs]]></kwd>
</kwd-group>
</article-meta>
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