<?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>2007-4018</journal-id>
<journal-title><![CDATA[Revista Chapingo serie ciencias forestales y del ambiente]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Chapingo ser. cienc. for. ambient]]></abbrev-journal-title>
<issn>2007-4018</issn>
<publisher>
<publisher-name><![CDATA[Universidad Autónoma Chapingo, Coordinación de Revistas Institucionales]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-40182020000300373</article-id>
<article-id pub-id-type="doi">10.5154/r.rchscfa.2019.09.071</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Chihuahua southwestern hydroclimatic variability inferred with coniferous growth rings]]></article-title>
<article-title xml:lang="es"><![CDATA[Variabilidad hidroclimática del suroeste de Chihuahua inferida con anillos de crecimiento de coníferas]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villanueva-Díaz]]></surname>
<given-names><![CDATA[José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castruita-Esparza]]></surname>
<given-names><![CDATA[Luis U.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez-Sifuentes]]></surname>
<given-names><![CDATA[Aldo R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Loera-Chaparro]]></surname>
<given-names><![CDATA[Roberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Estrada-Ávalos]]></surname>
<given-names><![CDATA[Juan]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias Centro Nacional de Investigación Disciplinaria en Relación Agua, Suelo, Planta, Atmósfera ]]></institution>
<addr-line><![CDATA[Gómez Palacio Durango]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma de Chihuahua Facultad de Ciencias Agrícolas y Forestales ]]></institution>
<addr-line><![CDATA[Delicias Chihuahua]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Tecnológica de la Tarahumara  ]]></institution>
<addr-line><![CDATA[Guachochi Chihuahua]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<volume>26</volume>
<numero>3</numero>
<fpage>373</fpage>
<lpage>389</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-40182020000300373&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-40182020000300373&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-40182020000300373&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction:  The forest management unit 0807 (UMAFOR 0807) is one of the most productive in timber and water resources provision, but there are no studies of historical hydroclimatic variability and its trends for predictive purposes.  Objective:  To generate a precipitation reconstruction through a regional dendrochronological network for the southwest of the state of Chihuahua.  Materials and methods:  A network of growth series of five distinctive conifers of UMAFOR 0807 was developed; through Principal Component Analysis the series with the greatest common variance were defined to obtain a representative chronology. The reconstruction model was generated with a series of regional precipitation. The general circulation modes with the greatest impact on rainfall variability and the association of the total ring-width index with the drought indices were analyzed.  Results and discussion:  From eight chronologies generated, six showed a common climate response to integrate a regional representative series, which responded to September-July precipitation. The correlation between the total ring-width index and the Palmer Drought Severity Index (PDSI) was 0.68 (P &lt; 0.01) in the June-August period, and 0.71 (P &lt; 0.01) for the Standardized Precipitation Evapotranspiration Index (SPEI) for August of the previous year to June of the current year of growth. The reconstructed precipitation showed significance in spectral peaks of 2.1 and 2.8 years, corresponding to the influence of ENSO (El Niño-Southern Oscillation).  Conclusions:  The dendrochronological network composed of various tree species and integrated in a regional chronology allowed to capture the interannual and multiannual variability of the climate.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción:  La Unidad de Manejo Forestal 0807 (UMAFOR 0807) es una de las más productivas en madera y provisión de recursos hídricos, pero no existen estudios de la variabilidad hidroclimática histórica y de sus tendencias para fines predictivos.  Objetivo:  Generar una reconstrucción de precipitación mediante una red dendrocronológica regional para el suroeste del estado de Chihuahua.  Materiales y métodos:  Una red de series de crecimiento de cinco coníferas distintivas de la UMAFOR 0807 se desarrolló; mediante componentes principales se definieron las series con mayor varianza común para la obtención de una representativa. El modelo de reconstrucción se generó con una serie de precipitación regional. Se analizaron los modos de circulación general con mayor impacto en la variabilidad de lluvia y la asociación del índice de anillo total con los índices de sequía.  Resultados y discusión:  De ocho cronologías generadas, seis mostraron una respuesta climática común para integrar una serie representativa regional, la cual respondió a la precipitación septiembre-julio. La correlación entre el índice de anillo total e Índice de Severidad de Sequía de Palmer (PDSI) fue 0.68 (P &lt; 0.01) en el periodo junio-agosto, y 0.71 (P &lt; 0.01) para el Índice Estandarizado de Precipitación Evaporación (SPEI) de agosto del año previo a junio del año actual de crecimiento. La precipitación reconstruida mostró significancia en picos espectrales de 2.1 y 2.8 años, que corresponden a la influencia de ENSO (El Niño Oscilación del Sur).  Conclusiones:  La red dendrocronológica compuesta por diversas especies arbóreas e integrada en una cronología regional permitió captar la variabilidad interanual y multianual del clima.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Dendrochronological network]]></kwd>
<kwd lng="en"><![CDATA[drought indices]]></kwd>
<kwd lng="en"><![CDATA[atmospheric phenomena]]></kwd>
<kwd lng="en"><![CDATA[climate reconstruction]]></kwd>
<kwd lng="en"><![CDATA[precipitation]]></kwd>
<kwd lng="es"><![CDATA[Red dendrocronológica]]></kwd>
<kwd lng="es"><![CDATA[índices de sequía]]></kwd>
<kwd lng="es"><![CDATA[fenómenos atmosféricos]]></kwd>
<kwd lng="es"><![CDATA[reconstrucción climática]]></kwd>
<kwd lng="es"><![CDATA[precipitación]]></kwd>
</kwd-group>
</article-meta>
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