<?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>S1870-34532019000100632</article-id>
<article-id pub-id-type="doi">10.22201/ib.20078706e.2019.90.3000</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Lluvia polínica en la selva baja caducifolia del cerro El Picante, San José Tilapa, Puebla, valle de Tehuacán-Cuicatlán]]></article-title>
<article-title xml:lang="en"><![CDATA[Tropical deciduous forest pollen rain from El Picante hill, San José Tilapa, Puebla, Tehuacán-Cuicatlán Valley]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[León-Carreño]]></surname>
<given-names><![CDATA[Mauricio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramírez-Arriaga]]></surname>
<given-names><![CDATA[Elia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez-Bernal]]></surname>
<given-names><![CDATA[Angélica]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez-Hernández]]></surname>
<given-names><![CDATA[Enrique]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zárate-Hernández]]></surname>
<given-names><![CDATA[María del Rocío]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vasquez-Velasco]]></surname>
<given-names><![CDATA[Beatriz]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valiente-Banuet]]></surname>
<given-names><![CDATA[Alfonso]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Autónoma de México Instituto de Geología Departamento de Paleontología]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma Metropolitana División de Ciencias Biológicas y de la Salud ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Nacional Autónoma de México Instituto de Ecología ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2019</year>
</pub-date>
<volume>90</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-34532019000100632&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-34532019000100632&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-34532019000100632&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen En este estudio se analiza por primera vez la lluvia de polen en la selva baja caducifolia del cerro El Picante en San José Tilapa (Puebla), ubicado dentro del biodiverso valle de Tehuacán-Cuicatlán. En 3 transectos de 100 m cada uno, se recolectaron bromelias cada 10 m, obteniéndose un total de 32 muestras, de las cuales se recuperaron los palinomorfos y se procesaron por medio de la técnica de acetólisis. Un total de 11,520 polen-esporas pertenecientes a156 grupos taxonómicos fueron registrados. Los análisis permitieron reconocer taxones regionales, locales y extra locales identificados como señales polínicas. La señal regional estuvo caracterizada por elementos templados, principalmente del bosque mesófilo. La señal local destacó en riqueza e incluyó Asteraceae, Bursera morelensis, B. aptera, Euphorbiaceae, Ceiba aesculifolia y C. parvifolia de la selva baja caducifolia del cerro El Picante; mientras que la señal extra local estuvo representada por Sapindaceae, Caryophyllaceae, Meliaceae y Ephedra spp., que son elementos tanto de selva baja caducifolia como de matorral xerófilo. La comparación de los conjuntos palinológicos con la estructura de la selva baja caducifolia indicaron que Acaciella sp., Asteraceae, Bursera aptera, B. morelensis, Ceiba aesculifolia, C. parvifolia y Mimosa spp. son indicadores polínicos de este tipo de vegetación.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract In this study, we analized for the first time the tropical deciduous forest pollen rain at San José Tilapa, Puebla, located within the biodiverse Tehuacán-Cuicatlán Valley. In 3 transects, 100 m each, bromeliads were collected every 10 m, for a total of 32 samples, from which palynomorphs were recovered and processed by mean of the acetolysis technique. A total of 11,520 pollen-spores belonging to 156 taxa were recorded. The analysis allowed us to recognize regional, local and extra local taxa identified as pollinic signals. The regional signal was characterized by temperate elements mainly from the cloud forest. The local signal had a high species richness and included Asteraceae, Bursera morelensis, B. aptera, Euphorbiaceae, Ceiba aesculifolia and C. parvifolia from the tropical deciduous forest of El Picante hill; while the extra local signal was represented by Sapindaceae, Caryophyllaceae, Meliaceae and Ephedra spp. which are elements of both tropical deciduous forest and xerophytic shrubland. The comparison between palynological assemblages with the structure of the tropical deciduous forest indicated that Acaciella sp., Asteraceae, Bursera aptera, B. morelensis, Ceiba aesculifolia, C. parvifolia and Mimosa spp. are pollinic indicators of this type of vegetation.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Palinología]]></kwd>
<kwd lng="es"><![CDATA[Polen]]></kwd>
<kwd lng="es"><![CDATA[Esporas]]></kwd>
<kwd lng="es"><![CDATA[Vegetación semiárida]]></kwd>
<kwd lng="es"><![CDATA[Bosque tropical caducifolio]]></kwd>
<kwd lng="es"><![CDATA[Reserva de la biosfera]]></kwd>
<kwd lng="es"><![CDATA[Actuopalinología]]></kwd>
<kwd lng="en"><![CDATA[Palynology]]></kwd>
<kwd lng="en"><![CDATA[Pollen]]></kwd>
<kwd lng="en"><![CDATA[Spores]]></kwd>
<kwd lng="en"><![CDATA[Semiarid vegetation]]></kwd>
<kwd lng="en"><![CDATA[Tropical deciduous forest]]></kwd>
<kwd lng="en"><![CDATA[Biosphere reserve, Actuopalynology]]></kwd>
</kwd-group>
</article-meta>
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