<?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>0188-4611</journal-id>
<journal-title><![CDATA[Investigaciones geográficas]]></journal-title>
<abbrev-journal-title><![CDATA[Invest. Geog]]></abbrev-journal-title>
<issn>0188-4611</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Instituto de Geografía]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0188-46112015000300019</article-id>
<article-id pub-id-type="doi">10.14350/rig.43338</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Análisis dendroclimático de Pinus pseudostrobus y Pinus devoniana en los municipios de Áporo y Zitácuaro (Michoacán), Reserva de la Biósfera de la Mariposa Monarca]]></article-title>
<article-title xml:lang="en"><![CDATA[Dendroclimatic analysis of Pinus pseudostrobus and Pinus devoniana in the municipalities of Áporo and Zitácuaro (Michoacán), Monarch Butterfly Biosphere Reserve]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Marlès Magre]]></surname>
<given-names><![CDATA[Jaume]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valor Ivars]]></surname>
<given-names><![CDATA[Teresa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[Bernat Claramunt]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez Salicrup]]></surname>
<given-names><![CDATA[Diego R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Maneja Zaragoza]]></surname>
<given-names><![CDATA[Roser]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez Mateo]]></surname>
<given-names><![CDATA[Sònia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Boada Juncà]]></surname>
<given-names><![CDATA[Martí]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Barcelona Institut de Ciència i Tecnologia Ambientals ]]></institution>
<addr-line><![CDATA[Barcelona ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Centro Tecnológico Forestal de Cataluña  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Autónoma de Barcelona Centro de Investigación Ecológica y Aplicaciones Forestales ]]></institution>
<addr-line><![CDATA[Barcelona ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Nacional Autónoma de México Centro de Investigaciones en Ecosistemas ]]></institution>
<addr-line><![CDATA[Morelia Michoacán]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2015</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2015</year>
</pub-date>
<numero>88</numero>
<fpage>19</fpage>
<lpage>32</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0188-46112015000300019&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0188-46112015000300019&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0188-46112015000300019&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Se presenta el primer estudio sobre dendroclimatología de Pinus pseudostrobus y Pinus devoniana en el estado de Michoacán (México). El estudio se realizó en los municipios de Áporo y Zitácuaro de la Reserva de la Biosfera de la Mariposa Monarca (RBMM). Se colectaron cien testimonios de madera tomados a 1.3 m de altura del árbol, repartidas en los ejidos del Rincón del Soto y Arroyo Seco (Áporo), y en el ejido de San Juan de Zitácuaro. Las series dendrocronológicas en Áporo para la especie Pinus pseudostrobus se extendió a 62 años (1949-2010) y para Pinus devoniana 86 años (1925-2010); y las series en Zitácuaro para Pinus pseudostrobus y Pinus devoniana se extendieron a 47 años (1964-2010) y 44 años (1967-2010), respectivamente. Con el objetivo de establecer los parámetros climáticos que controlan el crecimiento radial de las especies estudiadas, se encontró que la serie potencial para hacer estudios dendrocronológicos es la de Pinus pseudostrobus en Zitácuaro. El valor de la serie de Pinus devoniana se encuentra ligeramente por debajo (0.81) del valor de aceptación (0.85). Las series de crecimiento radial se compararon con datos climáticos de precipitación mensual, temperatura media mensual, temperatura máxima y mínima medias mensuales, de estaciones meteorológicas cercanas al área en estudio. Las funciones de correlación indican que la anchura de los anillos de ambas especies está regulada significativamente por la precipitación y la temperatura máxima media en Zitácuaro. Ambas especies reaccionan semejantemente con el clima, pero con algunas diferencias. Para Pinus pseudostrobus hay una relación positiva del crecimiento radial con el aumento de precipitación en el mes de abril del año actual; y hay una relación negativa del crecimiento radial con el aumento de temperatura máxima media en el mes de agosto del año previo. Para Pinus devoniana hay una relación negativa del crecimiento radial con el aumento de precipitación en el mes de noviembre del año previo, y una relación positiva en febrero del año actual; y hay una relación negativa del crecimiento radial con el aumento de temperatura máxima media en los meses de julio y agosto del año previo.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[This article presents the first study on dendroclimatology of Pinus pseudostrobus and Pinus devoniana in the state of Michoacán (Mexico), specifically in the municipalities of Áporo and Zitácuaro, both municipalities within the Monarch Butterfly Biosphere Reserve (MBBR). The sampling in Áporo, northwest of the MBBR, was held in Los Ejidos del Rincón del Soto and Arroyo Seco, in Sierra Chincúa (May 2011). In Zitácuaro, southwest of the reserve, a sampling was performed in the Ejido de San Juan de Zitácuaro, in the area of Ocotal and Palma, and Meso Sedano (June 2011). There were a total of 38 Pinus pseudostrobus and 12 Pinus devoniana sampled in both areas of the study and distributed in 28 trees in the municipality of Áporo and 22 in Zitácuaro. Two samples per tree were taken at 1.3 m height, resulting in a total of 100 tree cores. The dendrochronological series in Áporo for the species Pinus pseudostrobus were extended to 62 years (1949- 2010) and for Pinus devoniana 86 years (1925-2010); and the series in Zitácuaro for Pinus pseudostrobus and Pinus devoniana were extended to 47 years (1964-2010) and 44 years (1967-2010), respectively. The ring chronologies were validated using the program COFECHA, which calculates the cross correlations between individual series of the tree-growth, five series were eliminated due to very low or negative correlations. The climate data from Zitácuaro were obtained from two weather stations located in the same municipality. And, in the case of Áporo, the data was obtained from stations located in Senguio. The growth rates related to the climate were obtained by removing the growth trend of each tree due to the age, size and other factors such as the competition, using the program ARSTAN. The following statistics were used to evaluate the quality of the residual chronologies and to determine the potential dendrochronology of species for the different populations: the average correlation between series (Rbar), the signal expressed by the population (EPS), medium sensitivity (MS), and the auto-correlation of first order (AC). To analyze the correlation and the function of response between the radial growth and climate variables, the waste medium chronologies of the growth rates for both species, and the records of temperature and precipitation, were evaluated through the Dendroclim2002, which determines the period of the year that most influences the radial growth of Pinus in relation to monthly climate data. In order to establish the climatic parameters that control the radial growth of the studied species, the Pinus pseudostrobus was found to be the potential series to perform the dendrochronological study in Zitácuaro. The value of the series of Pinus devoniana is slightly lower (0.81) than the acceptance value (0.85). The series of radial growth were compared with the climate records of monthly precipitation, average monthly temperature, and average maximum and minimum monthly temperatures. Correlation functions indicate that the width of the rings of both species is regulated significantly by rainfall and the average maximum temperature in Zitácuaro. Both species react similarly to the climate, but with some differences. There is a positive relationship between radial growth of Pinus pseudostrobus and the increasing rainfall in April of the current year; and there is a negative relationship between radial growth and the increasing average maximum temperature in August the previous year. For Pinus devoniana there is a negative relationship between radial growth and the increasing rainfall in November of the previous year, and a positive relationship in February of the current year; and there is a negative relationship between radial growth and the increasing average of maximum temperature in July and August last year.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Dendrochronology]]></kwd>
<kwd lng="en"><![CDATA[climate]]></kwd>
<kwd lng="en"><![CDATA[growth rings]]></kwd>
<kwd lng="en"><![CDATA[Pinus pseudostrobus]]></kwd>
<kwd lng="en"><![CDATA[Pinus devoniana]]></kwd>
<kwd lng="en"><![CDATA[Áporo]]></kwd>
<kwd lng="en"><![CDATA[Zitácuaro]]></kwd>
<kwd lng="es"><![CDATA[Dendrocronología]]></kwd>
<kwd lng="es"><![CDATA[clima]]></kwd>
<kwd lng="es"><![CDATA[anillos de crecimiento]]></kwd>
<kwd lng="es"><![CDATA[Pinus pseudostrobus]]></kwd>
<kwd lng="es"><![CDATA[Pinus devoniana]]></kwd>
<kwd lng="es"><![CDATA[Áporo]]></kwd>
<kwd lng="es"><![CDATA[Zitácuaro]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Potencialidad dendrocronológica de Polylepis tarapacana en los Andes Centrales de Bolivia]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Argollo]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Soliz]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Villalba]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Ecología en Bolivia]]></source>
<year>2004</year>
<volume>vol. 39</volume>
<page-range>p5-p24</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Dendrocronología de Pseudotsuga menziesii , (Mirb.) Franco de la Sierra Madre Oriental en Nuevo León, México]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Arreola Ortiz]]></surname>
<given-names><![CDATA[M. R.]]></given-names>
</name>
<name>
<surname><![CDATA[González Elizondo]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Návar Cháidez]]></surname>
<given-names><![CDATA[J. J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Madera y Bosque]]></source>
<year>2010</year>
<volume>16</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>71-84</page-range><publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[Instituto de Ecología, A. C.]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Arriaga]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Gómez]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Posibles efectos del cambio climático en algunos componentes de la biodiversidad de México]]></source>
<year>2005</year>
</nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[The 2010 challenge: data availability, information needs and extraterrestrial insights]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Balmford]]></surname>
<given-names><![CDATA[A.P.]]></given-names>
</name>
<name>
<surname><![CDATA[Crane]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Dobson]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Green]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Mace]]></surname>
</name>
</person-group>
<source><![CDATA[Phil Trans. R. Soc B.]]></source>
<year>2005</year>
<page-range>1-8</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bello]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[M]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Estudio fenológico especies de Pinus en la región de Uruapan, Michoacán, Boletín Técnico]]></source>
<year>1983</year>
<numero>96</numero>
<issue>96</issue>
<publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[INIFAP-SF-SARH]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Influencia climática sobre la variación radial de caracteres anatómicos de madera en Abies religiosa]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bernal]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Terrazas]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<source><![CDATA[Madera y Bosques]]></source>
<year>2000</year>
<volume>vol.6</volume>
<page-range>73-86</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Dendroclim 2002: A C++ program for statistical calibration of climate signals in tree-ring chronologies]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Biondi]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Waikul]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<source><![CDATA[Computers &amp; Geosciences]]></source>
<year>2004</year>
<page-range>303-11</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[A global change-induced biome shift in the Montseny mountains, (NE Spain)]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Boada]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Peñuelas]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Global Change Biology]]></source>
<year>2003</year>
<page-range>131-40</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bolin]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Bo]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[J. Jager]]></surname>
<given-names><![CDATA[Dôôs]]></given-names>
</name>
<name>
<surname><![CDATA[Warmick]]></surname>
<given-names><![CDATA[R.A.]]></given-names>
</name>
</person-group>
<source><![CDATA[The greenhouse effect climatic change and ecosystems]]></source>
<year>1968</year>
<publisher-loc><![CDATA[UK ]]></publisher-loc>
<publisher-name><![CDATA[John Wiley&Sons]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cook]]></surname>
<given-names><![CDATA[Er.]]></given-names>
</name>
<name>
<surname><![CDATA[Holmes]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[User's manual for program ARSTAN]]></source>
<year>1984</year>
<publisher-loc><![CDATA[Tucson ]]></publisher-loc>
<publisher-name><![CDATA[Laboratory of Tree-Ring Research]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cornejo]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Ibarra]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Flora ilustrada de la Reserva de la Biosfera Mariposa Monarca]]></source>
<year>2008</year>
<publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[CONABIO]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Climatología Histórica y dendrocronología de Pinus uncinata R]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Creus]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Puigdefábregas]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Cuadernos de investigación]]></source>
<year>1976</year>
<volume>2</volume>
<publisher-loc><![CDATA[Logroño ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="book">
<source><![CDATA[DOF]]></source>
<year>2000</year>
<publisher-name><![CDATA[Secretaría de Gobernación de México]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[A tree-ring reconstruction of past precipitation for Baja California Sur, Mexico]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Díaz]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Touchan]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Swetnam]]></surname>
<given-names><![CDATA[T.W.]]></given-names>
</name>
</person-group>
<source><![CDATA[International Journal of Climatology]]></source>
<year>2001</year>
<volume>21</volume>
<page-range>1007</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Estudios de conos de Pinus pseudostrobus Lindl, En un relicto de la localidad el paso, municipio de la perla, Veracruz México]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Espinosa]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Márquez]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Alejandre]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Cruz]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Foresta Veracruzana]]></source>
<year>2009</year>
<volume>vol. 11</volume>
<page-range>33-8</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Farjon]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Pérez de la Rosa]]></surname>
<given-names><![CDATA[J.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Styles]]></surname>
<given-names><![CDATA[B.T.]]></given-names>
</name>
</person-group>
<source><![CDATA[A Field Guide to the Pines of Mexico and Central America]]></source>
<year>1997</year>
<publisher-loc><![CDATA[London ]]></publisher-loc>
<publisher-name><![CDATA[R.B.G. Kew]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fernández]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Manual de climatología aplicada. Clima medio ambiente y planificación]]></source>
<year>1996</year>
<publisher-loc><![CDATA[Madrid ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Tree-ring evidence for climatic changes in western North America]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fritts]]></surname>
<given-names><![CDATA[H.C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Montbly Weather Review]]></source>
<year>1965</year>
<volume>vol. 93</volume>
<page-range>421-43</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fritts]]></surname>
<given-names><![CDATA[H.C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Tree-rings and climate]]></source>
<year>1976</year>
<publisher-loc><![CDATA[London-New York-San Francisco ]]></publisher-loc>
<publisher-name><![CDATA[Academic Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Climatología de la zona de hibernación de la mariposa monarca en la Sierra Transvolcánica de México, Inverno 1991-1992]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[García]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Serie Varia]]></source>
<year>1997</year>
</nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Treerings and climate relation ships for Douglas-fir chronologies from the Sierra Madre Occidental, México: a 1681-2001 rain reconstruction]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[González]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Jurado]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Navar]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[González]]></surname>
<given-names><![CDATA[M.S.]]></given-names>
</name>
<name>
<surname><![CDATA[Villanueva]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Aguirre]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
<name>
<surname><![CDATA[Jiménez]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Forest Ecology and Management]]></source>
<year>2005</year>
<page-range>39-53</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Impacts of climate change on diversity in forested ecosystems: Some examples]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gray]]></surname>
<given-names><![CDATA[P.A.]]></given-names>
</name>
</person-group>
<source><![CDATA[The Forestry Chronicle]]></source>
<year>2005</year>
<volume>vol. 81</volume>
<page-range>655-61</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Evaluating cross dating accuracy: a manual and tutorial for the computer program Cofecha]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Grissino-Mayer]]></surname>
<given-names><![CDATA[H.D.]]></given-names>
</name>
</person-group>
<source><![CDATA[Tree-Ring Bull]]></source>
<year>2001</year>
<page-range>205-21</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gutiérrez]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Análisis dendrocronológico y económico de Abies vejari, Pinus hartwegii, Pinus strobiformis, Pinus teocote en la sierra de Peña Nevada, Nuevo León]]></source>
<year>2003</year>
<publisher-loc><![CDATA[Nuevo León ]]></publisher-loc>
<publisher-name><![CDATA[Universidad Autónoma de Nuevo León, Facultad de Ciencias Biológicas, Departamento de Ecología]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Computer-assisted quality control in tree ring dating and measurement]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Holmes]]></surname>
<given-names><![CDATA[R.I.]]></given-names>
</name>
</person-group>
<source><![CDATA[Tree-Ring Bull]]></source>
<year>1983</year>
<page-range>69-75</page-range></nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Dendrochronology of Abies religiosa in Michoacán, Mexico]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Huante]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Rincón]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Swetnam]]></surname>
<given-names><![CDATA[F.T.W.]]></given-names>
</name>
</person-group>
<source><![CDATA[Tree-ring Bulletin]]></source>
<year>1991</year>
<page-range>15-27</page-range></nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Biological Consequences of global warming: Is the signal already Apparent?]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hughes]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Trends Ecol. Evol.]]></source>
<year>2000</year>
<page-range>56-61</page-range></nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="">
<collab>IPCC</collab>
<source><![CDATA[Cambio climático 2001:Informe de síntesis. Resumen para Responsables de Políticas]]></source>
<year>2001</year>
<publisher-loc><![CDATA[Wembley ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="">
<collab>IPCC</collab>
<source><![CDATA[Cambio climático 2001: Informe de síntesis]]></source>
<year>2007</year>
<publisher-loc><![CDATA[Suiza, Ginebra ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[López Upton]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Pinus pseudostrobus. Species description in the Tropical Tree Seed Manual]]></source>
<year>2003</year>
</nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lugo]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Evaluación de experiencias de conservación comunitaria en dos comunidades del Estado de Michoacán]]></source>
<year>2009</year>
<publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[Facultad de Ciencias, UNAM]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Madrigal Sánchez]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
</person-group>
<source><![CDATA[Características ecológicas generales de la región forestal oriental del Estado de Michoacán México]]></source>
<year>1994</year>
<publisher-loc><![CDATA[Morelia, Michoacán, México ]]></publisher-loc>
<publisher-name><![CDATA[Universidad Devoniana de San Nicolás de Hidalgo]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Magaña]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Quintanar]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[On the use of a general circulation model to study regional climate]]></source>
<year>1997</year>
<edition>2nd</edition>
<page-range>39-48</page-range><publisher-loc><![CDATA[Mexico ]]></publisher-loc>
<publisher-name><![CDATA[UNAM]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Márquez]]></surname>
<given-names><![CDATA[G.A.V.]]></given-names>
</name>
<name>
<surname><![CDATA[Mendizábal]]></surname>
<given-names><![CDATA[L.C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Variación en el tamaño de conos de Pinus pseudostrobus Lindl. del Esquilón, municipio de Coacoatzintla, Veracruz, México]]></source>
<year>2004</year>
<publisher-loc><![CDATA[Foresta Veracruzana ]]></publisher-loc>
<publisher-name><![CDATA[Universidad Veracruzana]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B35">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mcmichael]]></surname>
<given-names><![CDATA[A. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Campbell-Lendrum]]></surname>
<given-names><![CDATA[D. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Corvalán]]></surname>
<given-names><![CDATA[C. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Ebi]]></surname>
<given-names><![CDATA[K. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Githeko]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Scheraga]]></surname>
<given-names><![CDATA[J. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Woodward]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Cambio climático y salud humana: Riesgos y respuestas. Resumen]]></source>
<year>2003</year>
<publisher-loc><![CDATA[Suiza, Ginebra ]]></publisher-loc>
<publisher-name><![CDATA[Organización Mundial de la Salud]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B36">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Dendrochronology in Oaxaca: a preliminary study]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Naylor]]></surname>
<given-names><![CDATA[T.H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Tree-ring Bulletin]]></source>
<year>1971</year>
<numero>31</numero>
<issue>31</issue>
<page-range>25-9</page-range></nlm-citation>
</ref>
<ref id="B37">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Pdo-EnsO effects in the climate of Mexico]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pavia]]></surname>
<given-names><![CDATA[E.G.]]></given-names>
</name>
<name>
<surname><![CDATA[Graef]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Reyes]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Climate]]></source>
<year>2006</year>
<page-range>6433-8</page-range></nlm-citation>
</ref>
<ref id="B38">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Perry]]></surname>
<given-names><![CDATA[P.J.]]></given-names>
</name>
</person-group>
<source><![CDATA[The Pines of Mexico and Central America]]></source>
<year>1991</year>
<publisher-loc><![CDATA[Prtland, Oregon ]]></publisher-loc>
<publisher-name><![CDATA[Timber Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B39">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Cambios en las cubiertas del suelo en la Sierra de Angangueo, Michoacán y Estado de México, 1971-1994-2000]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ramírez]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
</person-group>
<source><![CDATA[Investigaciones Geográficas, Boletín]]></source>
<year>2001</year>
<volume>núm. 45</volume>
<page-range>39-55</page-range></nlm-citation>
</ref>
<ref id="B40">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Effects of human activities on monarch butter fly habitat in protected mountain forest, Mexico]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ramírez]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Azcárate]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Luna]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<source><![CDATA[The Forestry Chronicle]]></source>
<year>2003</year>
<volume>vol. 79</volume>
<page-range>242-6</page-range></nlm-citation>
</ref>
<ref id="B41">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Avances sobre estudios dendrocronológicos en la región costera norte del Perú para obtener un registro pasado del fenómeno el Niño]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rodríguez]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Woodman]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Balsley]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Mabres]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Phipps]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Bull. Inst. Fr. d&#8217;Etudes Andines]]></source>
<year>1993</year>
<volume>vol. 22</volume>
<page-range>267-81</page-range></nlm-citation>
</ref>
<ref id="B42">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Estudios dendrocronológicos en los ambientes húmedos de la puna boliviana Artículos científicos- Técnicos]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Roig]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Fernández]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Gareca]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Altamirano]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Monge]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Rev Bol. de Eco.]]></source>
<year>2001</year>
<volume>múm 9</volume>
<page-range>3-13</page-range></nlm-citation>
</ref>
<ref id="B43">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Dendrochronology in Mexico 1]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Schulman]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Tree-Ring Bulletin]]></source>
<year>1944</year>
<volume>núm 10</volume>
<page-range>18-24</page-range></nlm-citation>
</ref>
<ref id="B44">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Schulman]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Dendroclimatic changes in semiarid America]]></source>
<year>1956</year>
<publisher-loc><![CDATA[Tucson ]]></publisher-loc>
<publisher-name><![CDATA[Univ. of Arizona Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B45">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Scott]]></surname>
<given-names><![CDATA[S.D.]]></given-names>
</name>
</person-group>
<source><![CDATA[Dendrochronology in Mexico]]></source>
<year>1966</year>
<publisher-loc><![CDATA[Tucson ]]></publisher-loc>
<publisher-name><![CDATA[University of Arizona Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B46">
<nlm-citation citation-type="book">
<collab>SEMARNAP</collab>
<source><![CDATA[Ordenamiento ecológico para la región de la Mariposa Monarca]]></source>
<year>1998</year>
<publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[Instituto Nacional de Ecología]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B47">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Shugart]]></surname>
<given-names><![CDATA[H.H.]]></given-names>
</name>
</person-group>
<source><![CDATA[A Theory of Forest Dynamics]]></source>
<year>1984</year>
<publisher-loc><![CDATA[New York ]]></publisher-loc>
<publisher-name><![CDATA[Springer-Verlag]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B48">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[The Impacts of Climate Variability on Welfare in Rural Mexico]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Skoufias]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Katja]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Héctor]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
</person-group>
<source><![CDATA[Policy Research Working Paper]]></source>
<year>2011</year>
<numero>5555</numero>
<issue>5555</issue>
<publisher-name><![CDATA[TheWorld Bank]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B49">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Modeling the Potential Response of Vegetation to Global Climate Change]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Smith]]></surname>
<given-names><![CDATA[T.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Shugart]]></surname>
<given-names><![CDATA[H.H.]]></given-names>
</name>
<name>
<surname><![CDATA[Bonan]]></surname>
<given-names><![CDATA[G.B.]]></given-names>
</name>
<name>
<surname><![CDATA[Smith]]></surname>
<given-names><![CDATA[J.B.]]></given-names>
</name>
</person-group>
<source><![CDATA[Advances in Ecological Research]]></source>
<year>1992</year>
<volume>22</volume>
<page-range>13-113</page-range></nlm-citation>
</ref>
<ref id="B50">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Southern Oscillation extremes reconstructed from tree rings of the Sierra Madre Occidental and southern Great Plains]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Stahle]]></surname>
<given-names><![CDATA[D.W.]]></given-names>
</name>
<name>
<surname><![CDATA[Cleaveland]]></surname>
<given-names><![CDATA[M.K.]]></given-names>
</name>
</person-group>
<source><![CDATA[Journal of Climate]]></source>
<year>1993</year>
<page-range>129-40</page-range></nlm-citation>
</ref>
<ref id="B51">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Stockes]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Smiley]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<source><![CDATA[An introduction to tree-ring dating]]></source>
<year>1968</year>
<publisher-loc><![CDATA[Chicago ]]></publisher-loc>
<publisher-name><![CDATA[University of Chicago Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B52">
<nlm-citation citation-type="">
<article-title xml:lang=""><![CDATA[Estudios dendrocronológicos en México en poblaciones de P. hartwegii]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Suzan]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Franco]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Memorias VIII Congreso de Botánica]]></source>
<year>1981</year>
<page-range>277-8</page-range><publisher-loc><![CDATA[México ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B53">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Suzan]]></surname>
<given-names><![CDATA[H.F.]]></given-names>
</name>
<name>
<surname><![CDATA[González]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Estudios autoecológicos-dendrocronológicos en Pinus nelsonii. Informe 1984, Desarrollo Tecnológico y Científico]]></source>
<year>1984</year>
<page-range>127-40</page-range><publisher-name><![CDATA[Universidad Autónoma de Tamaulipas]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B54">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Cambio climático en la zona Aguacatera de Michoacán: Análisis de precipitación y temperatura a largo plazo]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tapia]]></surname>
<given-names><![CDATA[L.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Larios]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Vidales]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Pedraza]]></surname>
<given-names><![CDATA[M.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Luis]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
</person-group>
<source><![CDATA[Revista Mexicana de Ciencias Agrícolas]]></source>
<year>2011</year>
<page-range>325-35</page-range></nlm-citation>
</ref>
<ref id="B55">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Warm season tree growth and precipitation over Mexico]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Therrell]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Stahle]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Cleaveland]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Villanueva]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Journal of Geophysical Research]]></source>
<year>2002</year>
<page-range>14-24</page-range></nlm-citation>
</ref>
<ref id="B56">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Extinction risk from climate change]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Thomas]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Cameron]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Green]]></surname>
<given-names><![CDATA[R.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Bakkenes]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Beaumont]]></surname>
<given-names><![CDATA[L.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Collingham]]></surname>
<given-names><![CDATA[I.C.]]></given-names>
</name>
<name>
<surname><![CDATA[Erasmus]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Ferreira De Siqueira]]></surname>
<given-names><![CDATA[Bfn.]]></given-names>
</name>
<name>
<surname><![CDATA[Grainger]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Hannah]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Hughes]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Huntley]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Jaarsveld]]></surname>
<given-names><![CDATA[A.S.]]></given-names>
</name>
<name>
<surname><![CDATA[Midgley]]></surname>
<given-names><![CDATA[G.F.]]></given-names>
</name>
<name>
<surname><![CDATA[Milers]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Ortega Horta]]></surname>
<given-names><![CDATA[M.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Peterson]]></surname>
<given-names><![CDATA[A.T.]]></given-names>
</name>
<name>
<surname><![CDATA[Phillips]]></surname>
<given-names><![CDATA[O.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Williams]]></surname>
<given-names><![CDATA[E.S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Nature]]></source>
<year>2004</year>
<page-range>145-9</page-range></nlm-citation>
</ref>
<ref id="B57">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Afectación de las comunidades vegetales de México ante el cambio climático]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Trejo]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Hernández]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Villers]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<source><![CDATA[XI Encuentro de Geógrafos de América]]></source>
<year>2007</year>
</nlm-citation>
</ref>
<ref id="B58">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Uriarte]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Historia del clima de la tierra]]></source>
<year>2003</year>
<publisher-name><![CDATA[Servicio Central de Publicaciones del Gobierno Vasvo]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B59">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Potencial dendrocronológico de Pseudotsuga menziesii y reconstrucciones de precipitación y flujo en México]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Villanueva]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Cerano]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Stahle]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Therrell]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Cleaveland]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Folleto Técnico]]></source>
<year>2008</year>
<volume>núm. 23</volume>
<page-range>1-49</page-range></nlm-citation>
</ref>
<ref id="B60">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Reconstruction of precipitation and PDSI from tree-ring chronologies developed in mountains of New Mexico, USA and Sonora, Mexico]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Villanueva]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[McPherson]]></surname>
<given-names><![CDATA[G.R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Hydrology and Water Resources in Arizona and the Southwest]]></source>
<year>1996</year>
<page-range>45-54</page-range></nlm-citation>
</ref>
<ref id="B61">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Elementos básicos de la dendrocronología y sus aplicaciones en México]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Villanueva]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Cerano]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Stahle]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Therrell]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Cleaveland e]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Sánchez]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
</person-group>
<source><![CDATA[Folleto Técnico]]></source>
<year>2004</year>
<page-range>1-37</page-range></nlm-citation>
</ref>
<ref id="B62">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[El impacto del cambio climático en los bosques y áreas naturales protegidas de México]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Villers]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Trejo]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
</person-group>
<source><![CDATA[Interciencia]]></source>
<year>1998</year>
<page-range>10-9</page-range></nlm-citation>
</ref>
<ref id="B63">
<nlm-citation citation-type="book">
<article-title xml:lang=""><![CDATA[El Cambio climático y la vegetación en México&#8221;, Capítulo IV, Ecosistemas forestales]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Villers]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Trejo]]></surname>
<given-names><![CDATA[F.I.]]></given-names>
</name>
</person-group>
<source><![CDATA[México: una visión hacia el siglo XXI. El cambio climático en México]]></source>
<year>2000</year>
<publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[Instituto Nacional de Ecología]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B64">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[On the average value of correlated time series, with applications in dendroclimatology and hydrometeorology]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wigley]]></surname>
<given-names><![CDATA[Tml]]></given-names>
</name>
<name>
<surname><![CDATA[Briffa]]></surname>
<given-names><![CDATA[Kr]]></given-names>
</name>
<name>
<surname><![CDATA[Jones]]></surname>
<given-names><![CDATA[Pd.]]></given-names>
</name>
</person-group>
<source><![CDATA[Journal of Climate and Applied Meteorology]]></source>
<year>1984</year>
<page-range>201-13</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
