<?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>S2007-42982019000200148</article-id>
<article-id pub-id-type="doi">10.17129/botsci.2043</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Impacto de la agricultura y ganadería sobre el bosque tropical seco de Zirándaro, Guerrero: una evaluación con indicadores ecológicos]]></article-title>
<article-title xml:lang="en"><![CDATA[Impact of agriculture and cattle raising on the tropical dry forest of Zirándaro, Guerrero: an evaluation using ecological indicators]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fuentes-Hernández]]></surname>
<given-names><![CDATA[Agustín]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mendoza-Orozco]]></surname>
<given-names><![CDATA[Marleth]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ríos-Casanova]]></surname>
<given-names><![CDATA[Leticia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Soler-Aburto]]></surname>
<given-names><![CDATA[Alfonso]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Muñoz-Iniestra]]></surname>
<given-names><![CDATA[Daniel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Godínez-Álvarez]]></surname>
<given-names><![CDATA[Héctor]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Autónoma de México Facultad de Estudios Superiores Iztacala Unidad de Biología, Tecnología y Prototipos]]></institution>
<addr-line><![CDATA[Tlalnepantla Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<volume>97</volume>
<numero>2</numero>
<fpage>148</fpage>
<lpage>154</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-42982019000200148&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-42982019000200148&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-42982019000200148&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Antecedentes:  La agricultura y ganadería modifican la estructura y funcionamiento del bosque tropical seco. El impacto de estas actividades ha sido evaluado en regiones de Jalisco y Yucatán, en donde la agricultura de roza, tumba y quema, y la ganadería extensiva son los principales tipos de manejo. Sin embargo, existen otras regiones como Guerrero, en donde la agricultura es combinada con la ganadería. No obstante, su impacto sobre el bosque no ha sido evaluado hasta el momento.  Pregunta:  ¿Cuál es el impacto de la agricultura/ganadería y ganadería sobre el bosque tropical seco de Zirándaro, Guerrero?  Sitio y años de estudio:  El estudio fue realizado en Zirándaro, Guerrero, en diciembre de 2014 y junio de 2015.  Métodos:  Se seleccionaron 9 sitios con agricultura/ganadería, ganadería y bosque para muestrear su vegetación y suelo, y calcular 10 indicadores ecológicos. Además, se colectaron 9 muestras de suelo para evaluar sus propiedades físicas y químicas.  Resultados:  Los suelos de la agricultura/ganadería y ganadería tuvieron mayor densidad aparente, pero menor porosidad y materia orgánica que el suelo del bosque. La agricultura/ganadería y ganadería tuvieron baja riqueza específica y cobertura del dosel. La agricultura/ganadería tuvo menor obstrucción visual y mayor proporción de claros basales que la ganadería. Estas diferencias sugieren que la agricultura/ganadería tiene mayor impacto sobre el bosque que la ganadería. Sin embargo, no se encontraron diferencias significativas en la mayoría de los indicadores ecológicos.  Conclusiones:  La agricultura/ganadería y ganadería tienen un impacto ecológico relativamente similar sobre el bosque tropical seco de Zirándaro, Guerrero.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Background:  Agriculture and cattle raising modify the structure and functioning of tropical dry forest. The impact of these activities has been evaluated in regions of Jalisco and Yucatán, where slash-and-burn agriculture and extensive cattle raising are the main types of management. However, there are other regions such as Guerrero, where agriculture is combined with cattle raising. Yet, its impact on the forest has not been evaluated so far.  Question:  What is the impact of agriculture/cattle raising and cattle raising on the tropical dry forest in Zirándaro, Guerrero?  Study sites and dates:  The study was performed in Zirándaro, Guerrero, in December 2014 and June 2015.  Methods:  We selected 9 sites with agriculture/cattle raising, cattle raising, and forest to sample vegetation and soil, and to calculate 10 ecological indicators. We also collected 9 soil samples to evaluate their physical and chemical properties.  Results:  The soil of agriculture/cattle raising and cattle raising had higher bulk density, but lower porosity and organic matter content than the forest soil. The agriculture/cattle raising and cattle raising had low plant species richness and canopy cover. The agriculture/cattle raising had lower vegetation structure and higher proportion of basal gaps than cattle raising. These differences suggest that agriculture/cattle raising had a higher impact on forest than cattle raising. Yet, we did not find significant differences in most of the ecological indicators.  Conclusions:  The agriculture/cattle raising and cattle raising have a relatively similar ecological impact on the tropical dry forest of Zirándaro, Guerrero.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Agricultura de temporal]]></kwd>
<kwd lng="es"><![CDATA[Cuenca del Balsas]]></kwd>
<kwd lng="es"><![CDATA[degradación de la tierra]]></kwd>
<kwd lng="es"><![CDATA[ganadería extensiva]]></kwd>
<kwd lng="es"><![CDATA[selva baja caducifolia]]></kwd>
<kwd lng="en"><![CDATA[Balsas Basin]]></kwd>
<kwd lng="en"><![CDATA[extensive cattle raising]]></kwd>
<kwd lng="en"><![CDATA[land degradation]]></kwd>
<kwd lng="en"><![CDATA[rainfed agriculture]]></kwd>
<kwd lng="en"><![CDATA[tropical deciduous forest]]></kwd>
</kwd-group>
</article-meta>
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