<?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>1405-3322</journal-id>
<journal-title><![CDATA[Boletín de la Sociedad Geológica Mexicana]]></journal-title>
<abbrev-journal-title><![CDATA[Bol. Soc. Geol. Mex]]></abbrev-journal-title>
<issn>1405-3322</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Geológica Mexicana A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1405-33222018000100002</article-id>
<article-id pub-id-type="doi">10.18268/bsgm2018v70n1a1</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Climate change and peopling of the Neotropics during the Pleistocene-Holocene transition]]></article-title>
<article-title xml:lang="es"><![CDATA[Cambio climático y poblamiento del Neotrópico durante la transición Pleistoceno-Holoceno]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Acosta]]></surname>
<given-names><![CDATA[Guillermo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Beramendi]]></surname>
<given-names><![CDATA[Laura E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González]]></surname>
<given-names><![CDATA[Galia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rivera]]></surname>
<given-names><![CDATA[Iran]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Eudave]]></surname>
<given-names><![CDATA[Itzel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández]]></surname>
<given-names><![CDATA[Elisa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez]]></surname>
<given-names><![CDATA[Serafín]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morales]]></surname>
<given-names><![CDATA[Pedro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cienfuegos]]></surname>
<given-names><![CDATA[Edith]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Otero]]></surname>
<given-names><![CDATA[Francisco]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Autónoma de México Instituto de Investigaciones Antropológicas ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional Autónoma de México Instituto de Geología ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Nacional Autónoma de México Instituto de Geofísica ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Escuela Nacional de Antropología e Historia  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2018</year>
</pub-date>
<volume>70</volume>
<numero>1</numero>
<fpage>1</fpage>
<lpage>19</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-33222018000100002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-33222018000100002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-33222018000100002&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Santa Marta cave, Chiapas, is a unique archaeological site with high-resolution chronological control and continuous human occupation since 12500 cal BP. In this work we report a correlation between human activity and climate conditions inferred from sedimentological, palynological, archaeozoological and stable isotopic analyses with the aim of assessing the late Pleistocene and early Holocene environmental conditions faced by the first settlers in tropical America. Results suggest that the late Pleistocene and early Holocene periods of abrupt climatic change (ACC), the Younger Dryas and the 8.2 ka event, are recorded in the rock shelter, and coincide with the two main periods of human occupation. The data suggest that these ACC periods were both cold and moist. Human activity had a limited impact at the local or regional level, over a changing environment during the Pleistocene-Holocene transition, though there is some evidence for the introduction of exotic species.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La cueva de Santa Marta, Chiapas, es uno de los pocos sitios de los Neotrópicos con alta resolución cronológica que presenta ocupación humana continua desde 12500 cal BP. En este trabajo se correlacionan los datos de actividad humana con las condiciones climáticas inferidas mediante análisis sedimentarios, palinológicos, arqueozoológicos y de isótopos estables en caracoles de río con el fin de evaluar las condiciones ambientales del Pleistoceno final y el Holoceno temprano a las que se enfrentaron los primeros pobladores de las regiones tropicales de América. Los resultados sugieren que los dos principales periodos de cambio climático abrupto (CCA) del Pleistoceno final y el Holoceno temprano (Younger Dryas y evento 8.2 ka) están registrados en el abrigo y coinciden con los dos principales periodos de ocupación humana. Los resultados sugieren que estos periodos CCA fueron fríos y húmedos; mientras que la actividad humana muestra un impacto limitado al nivel local o regional, sobre un entorno cambiante durante la transición Pleistoceno-Holoceno y la probable introducción de especies alóctonas.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Abrupt Climatic Change]]></kwd>
<kwd lng="en"><![CDATA[Anthropocene]]></kwd>
<kwd lng="en"><![CDATA[Chiapas]]></kwd>
<kwd lng="en"><![CDATA[Neotropics]]></kwd>
<kwd lng="es"><![CDATA[Cambio climático abrupto]]></kwd>
<kwd lng="es"><![CDATA[Antropoceno]]></kwd>
<kwd lng="es"><![CDATA[Chiapas]]></kwd>
<kwd lng="es"><![CDATA[Neotrópicos]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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