<?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>2007-9028</journal-id>
<journal-title><![CDATA[Ecosistemas y recursos agropecuarios]]></journal-title>
<abbrev-journal-title><![CDATA[Ecosistemas y recur. agropecuarios]]></abbrev-journal-title>
<issn>2007-9028</issn>
<publisher>
<publisher-name><![CDATA[Universidad Juárez Autónoma de Tabasco, Dirección de Investigación y Posgrado]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-90282019000200307</article-id>
<article-id pub-id-type="doi">10.19136/era.a6n17.1972</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Análisis climático para la agricultura de temporal en Michoacán, México]]></article-title>
<article-title xml:lang="en"><![CDATA[Agro Climatic analysis for rainfed agriculture in Michoacan, Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Montiel-González]]></surname>
<given-names><![CDATA[Cristina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gallegos-Tavera]]></surname>
<given-names><![CDATA[Ángeles]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ortega-Gómez]]></surname>
<given-names><![CDATA[Alba María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bautista]]></surname>
<given-names><![CDATA[Francisco]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gopar-Merino]]></surname>
<given-names><![CDATA[Fernando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Velázquez]]></surname>
<given-names><![CDATA[Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Autónoma de México Centro de Investigaciones en Geografía Ambiental ]]></institution>
<addr-line><![CDATA[Morelia Michoacán]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma del Estado de México Centro de Investigación en Ciencias Biológicas Aplicadas ]]></institution>
<addr-line><![CDATA[Toluca de Lerdo ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2019</year>
</pub-date>
<volume>6</volume>
<numero>17</numero>
<fpage>307</fpage>
<lpage>316</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-90282019000200307&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-90282019000200307&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-90282019000200307&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: El estado de Michoacán es uno de los mayores productores de cultivos de temporal con repercusión importante en la economía nacional. A pesar de la importancia agrícola del estado, aun no se han realizado estudios agroclimáticos explícitos que identifiquen el potencial de la Longitud del Periodo de Crecimiento (LPC). El objetivo del estudio fue realizar un análisis agroclimático del estado de Michoacán, considerando la LPC por zonas bioclimáticas. Se calculó la LPC de 112 estaciones meteorológicas situadas dentro del estado, con los datos climáticos se calculó el índice de humedad (IH) utilizando la evapotranspiración por los métodos de Thornthwaite y Hargreaves, se consideró los valores de IH mayores a 0.5 y se identificó el número de meses con lluvia continua, los cuales constituyen la LPC; que se utilizaron para espacializarlos por zonas bioclimáticas en un mapa. El análisis agroclimático mediante el uso de la LPC permitió identificar las zonas con 6, 5, 4 y 3 meses de lluvia continua. Con el mapa generado se pueden proponer el establecimiento de cultivos de temporal por zonas con potenciales climáticos que cubran los requerimientos de los cultivos; además, puede ser de utilidad para enfrentar el cambio climático mediante la sustitución de los cultivos en las zonas acordes a los meses de lluvia agrícola continua.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: Michoacán is among the states with higher rainfed agriculture production in México, and has substantial impact on the national economy. Despite the agricultural importance of this state, no agroclimatic studies have been perform to identify the Length of the Growing Period (LGP), which is the number of months when the climatic conditions are suitable for the establishment of rainfed agriculture. In the present study, we aimed to perform an agroclimatic analysis for the state of Michoacán to determine the LGP for bioclimatic zones. In order to achieve our objective, we calculated the LGP for 112 meteorological stations located within Michoacán. We calculated the humidity index (HUi) using evapotranspiration by two methods: 1) Thornthwaite (ET0-T) and 2) Hargreaves (ET0-H). The values with a HUi higher than 0.5 were used to determine the number of months with continuous rainfall, which constitute the LGP; these data were extrapolated to a map of bioclimatic zones. As a result, the agroclimatic analysis to determine the LGP, allowed us to identify the zones with 6, 5, 4 and 3 months of continuous rainfall. Based on the resulting map, we can to recommend areas with climatic potentials suitable to the requirements of the crops. Our map could also prove useful in the face of climate change by allowing us to relocate the rainfed crops to the zones with an adequate number of months of continuous rainfall.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Cultivo de temporal]]></kwd>
<kwd lng="es"><![CDATA[duración de periodo de lluvias]]></kwd>
<kwd lng="es"><![CDATA[índice agroclimático]]></kwd>
<kwd lng="es"><![CDATA[longitud de periodo de crecimiento]]></kwd>
<kwd lng="en"><![CDATA[Agroclimatic index]]></kwd>
<kwd lng="en"><![CDATA[continuous rainfall]]></kwd>
<kwd lng="en"><![CDATA[rainfed agriculture]]></kwd>
<kwd lng="en"><![CDATA[length of the growing period]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Alexandratos]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Bruinsma]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<source><![CDATA[World agriculture towards 2030/2050: the 2012 revision]]></source>
<year>2012</year>
<page-range>154</page-range><publisher-loc><![CDATA[Rome, Italy ]]></publisher-loc>
<publisher-name><![CDATA[Agricultural Development Economics Division. Food and Agriculture Organization of the United Nations]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Allen]]></surname>
<given-names><![CDATA[RG]]></given-names>
</name>
<name>
<surname><![CDATA[Pereira]]></surname>
<given-names><![CDATA[LS]]></given-names>
</name>
<name>
<surname><![CDATA[Raes]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Smith]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<source><![CDATA[Crop evapotranspiration-Guidelines for computing crop water requirements-FAO Irrigation and drainage paper 56]]></source>
<year>1998</year>
<page-range>15</page-range><publisher-loc><![CDATA[Rome ]]></publisher-loc>
<publisher-name><![CDATA[FAO]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Antaramián]]></surname>
<given-names><![CDATA[HE]]></given-names>
</name>
<name>
<surname><![CDATA[Correa]]></surname>
<given-names><![CDATA[GP]]></given-names>
</name>
</person-group>
<source><![CDATA[Atlas Geográfico de Michoacán]]></source>
<year>2003</year>
<page-range>145</page-range><publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[Editorial EDDISA. Secretaría de Educación Pública en Michoacán, Universidad Michoacán de San Nicolás de Hidalgo]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Antaramián]]></surname>
<given-names><![CDATA[HE]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Descripción física y biótica de Michoacán]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Velasco]]></surname>
<given-names><![CDATA[GL]]></given-names>
</name>
</person-group>
<source><![CDATA[La biodiversidad en Michoacán estudio de estado]]></source>
<year>2005</year>
<page-range>268</page-range><publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[Comisión Nacional para el Conocimiento y uso de la Biodiversidad. Gobierno del estado de Michoacán]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bautista]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Bautista]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Delgado-Carranza]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Calibration of the equations of Hargreaves and Thornthwaite to estimate the potential evapotranspiration in semi-arid and subhumid tropical climates for regional applications]]></article-title>
<source><![CDATA[Atmosfera]]></source>
<year>2009</year>
<volume>22</volume>
<page-range>331-48</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bautista]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Pacheco]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Bautista-Hernández]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<source><![CDATA[Climate change analysis with monthly data (Clic-MD)]]></source>
<year>2016</year>
<page-range>57</page-range><publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[Editorial Skiu]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cabrera]]></surname>
<given-names><![CDATA[GA]]></given-names>
</name>
<name>
<surname><![CDATA[González]]></surname>
<given-names><![CDATA[CJC]]></given-names>
</name>
<name>
<surname><![CDATA[Ayala]]></surname>
<given-names><![CDATA[GJM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Descripción física y biótica: Los suelos]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Velasco]]></surname>
<given-names><![CDATA[GL]]></given-names>
</name>
</person-group>
<source><![CDATA[La biodiversidad en Michoacán estudio de estado]]></source>
<year>2005</year>
<page-range>29-31</page-range><publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[Comisión Nacional para el Conocimiento y uso de la Biodiversidad. Gobierno del estado de Michoacán]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Carranza]]></surname>
<given-names><![CDATA[GE]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Descripción física y biótica: vegetación. Descripción física y biótica: Los suelos]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Velasco]]></surname>
<given-names><![CDATA[GL]]></given-names>
</name>
</person-group>
<source><![CDATA[La biodiversidad en Michoacán estudio de estado]]></source>
<year>2005</year>
<page-range>38-45</page-range><publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[Comisión Nacional para el Conocimiento y uso de la Biodiversidad. Gobierno del estado de Michoacán]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="">
<collab>CLICOM</collab>
<source><![CDATA[Datos climáticos diarios del CLICOM del SMN a través 268p de su plataforma web del CICESE]]></source>
<year>2018</year>
</nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Delgado]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Bautista]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Ihl]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Palma-López]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Duración del periodo de lluvias y aptitud de tierras para la agricultura de temporal]]></article-title>
<source><![CDATA[Ecosistemas y Recursos Agropecuarios]]></source>
<year>2017</year>
<volume>4</volume>
<page-range>485-97</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Delgado]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Bautista]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Orellana-Lanza]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Reyes-Hernández]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Classification and agroclimatic zoning using the relationship between precipitation and evapotranspiration in the state of Yucatan, Mexico]]></article-title>
<source><![CDATA[Investigaciones Geográficas]]></source>
<year>2011</year>
<volume>75</volume>
<page-range>51-60</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="">
<collab>Esri</collab>
<source><![CDATA[ArcGIS Desktop]]></source>
<year>2018</year>
</nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<collab>FAO</collab>
<article-title xml:lang=""><![CDATA[Agro-Ecological zoning. Guidelines]]></article-title>
<source><![CDATA[FAO Soils Bulletin]]></source>
<year>1996</year>
<volume>76</volume>
<page-range>96</page-range><publisher-loc><![CDATA[Rome, Italy ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fernández-Eguiarte]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Romero]]></surname>
<given-names><![CDATA[CR]]></given-names>
</name>
<name>
<surname><![CDATA[Zavala-Hidalgo]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Calderón]]></surname>
<given-names><![CDATA[BO]]></given-names>
</name>
<name>
<surname><![CDATA[Mendoza]]></surname>
<given-names><![CDATA[PE]]></given-names>
</name>
<name>
<surname><![CDATA[Castelán]]></surname>
<given-names><![CDATA[HC]]></given-names>
</name>
</person-group>
<source><![CDATA[Atlas de cambio climático del Estado de Michoacán]]></source>
<year>2010</year>
<page-range>37</page-range><publisher-loc><![CDATA[Michoacán, México ]]></publisher-loc>
<publisher-name><![CDATA[Gobierno del estado de Michoacán, México]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fernández-Eguiarte]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Zavala-Hidalgo]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Romero]]></surname>
<given-names><![CDATA[CR]]></given-names>
</name>
</person-group>
<source><![CDATA[Atlas Climático Digital de México. Versión 2.0.]]></source>
<year>2018</year>
</nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gallego-Sala]]></surname>
<given-names><![CDATA[AV]]></given-names>
</name>
<name>
<surname><![CDATA[Clark]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
<name>
<surname><![CDATA[House]]></surname>
<given-names><![CDATA[JI]]></given-names>
</name>
<name>
<surname><![CDATA[Orr]]></surname>
<given-names><![CDATA[HG]]></given-names>
</name>
<name>
<surname><![CDATA[Prentice]]></surname>
<given-names><![CDATA[IC]]></given-names>
</name>
<name>
<surname><![CDATA[Smith]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Bioclimatic envelope model of climate change impacts on blanket peatland distribution in Great Britain]]></article-title>
<source><![CDATA[Climate Research]]></source>
<year>2010</year>
<volume>45</volume>
<page-range>151-62</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[García]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<source><![CDATA[Modificación al sistema de clasificación climática de Koppen]]></source>
<year>1981</year>
<page-range>91</page-range><publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[Instituto de Geografía, Universidad Naional Autónoma de México]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gopar-Merino]]></surname>
<given-names><![CDATA[LF]]></given-names>
</name>
<name>
<surname><![CDATA[Velázquez]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[de Azcárate]]></surname>
<given-names><![CDATA[JG]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Bioclimatic mapping as a new method to assess effects of climatic change]]></article-title>
<source><![CDATA[Ecosphere]]></source>
<year>2015</year>
<volume>6</volume>
</nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Granados]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Reyna]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Soria]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Fernández]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Aptitud agroclimática en la Mesa Central de Guanajuato, México]]></article-title>
<source><![CDATA[Investigaciones Geográficas]]></source>
<year>2004</year>
<volume>54</volume>
<page-range>24-35</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hargreaves]]></surname>
<given-names><![CDATA[GL]]></given-names>
</name>
<name>
<surname><![CDATA[Hargreaves]]></surname>
<given-names><![CDATA[GH]]></given-names>
</name>
<name>
<surname><![CDATA[Riley]]></surname>
<given-names><![CDATA[JP]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Irrigation Water Requirements for Senegal River Basin]]></article-title>
<source><![CDATA[Journal of Irrigation and Drainage Engineering]]></source>
<year>1985</year>
<volume>111</volume>
<page-range>265-75</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hargreaves]]></surname>
<given-names><![CDATA[HG]]></given-names>
</name>
<name>
<surname><![CDATA[Samani]]></surname>
<given-names><![CDATA[AZ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Reference crop evapotranspiration from temperature]]></article-title>
<source><![CDATA[Applied Engineering in Agriculture]]></source>
<year>1985</year>
<volume>1</volume>
<page-range>96-9</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hernández]]></surname>
<given-names><![CDATA[CME]]></given-names>
</name>
<name>
<surname><![CDATA[Ordoñez]]></surname>
<given-names><![CDATA[DMdJ]]></given-names>
</name>
<name>
<surname><![CDATA[Giménez]]></surname>
<given-names><![CDATA[AJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparative analysis of two bioclimatic classification systems applied in Mexico | Análisis comparativo de dos sistemas de clasificación bioclimática aplicados en México]]></article-title>
<source><![CDATA[Investigaciones Geograficas]]></source>
<year>2018</year>
<volume>95</volume>
<page-range>1-14</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="">
<collab>INEGI</collab>
<source><![CDATA[Climatología]]></source>
<year>2018</year>
<publisher-loc><![CDATA[Instituto Nacional de Estadística y Geografía ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="">
<collab>INIFAP</collab>
<source><![CDATA[Red Nacional de Estaciones Agrometeorológicas Automatizadas INIFAP]]></source>
<year>2018</year>
</nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="book">
<collab>IPCC</collab>
<article-title xml:lang=""><![CDATA[Summary for policymakers]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Field]]></surname>
<given-names><![CDATA[CB]]></given-names>
</name>
<name>
<surname><![CDATA[Barros]]></surname>
<given-names><![CDATA[V]]></given-names>
</name>
<name>
<surname><![CDATA[Stocker]]></surname>
<given-names><![CDATA[TF]]></given-names>
</name>
<name>
<surname><![CDATA[Qin]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Dokken]]></surname>
<given-names><![CDATA[DJ]]></given-names>
</name>
<name>
<surname><![CDATA[Ebi]]></surname>
<given-names><![CDATA[KL]]></given-names>
</name>
</person-group>
<source><![CDATA[Managing the risks of extreme events and disasters to advance climate change adaptation. A special report of working groups I and II of the Intergovernmental Panel on Climate Change]]></source>
<year>2012</year>
<page-range>1-19</page-range><publisher-loc><![CDATA[Cambridge, UK, and New York, USA ]]></publisher-loc>
<publisher-name><![CDATA[Cambridge University Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kang]]></surname>
<given-names><![CDATA[MS]]></given-names>
</name>
<name>
<surname><![CDATA[Banga]]></surname>
<given-names><![CDATA[SS]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Global Agriculture and Climate Change]]></article-title>
<source><![CDATA[Journal of Crop Improvement]]></source>
<year>2013</year>
<volume>27</volume>
<page-range>667-92</page-range></nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lobit]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Gómez-Tagle]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Bautista]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Lhomme]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Retrieving air humidity, global solar radiation and potential evapo-transpiration from daily temperatures: development and validation of new methods for Mexico. Part III: Potential evapo-transpiration]]></article-title>
<source><![CDATA[Theoretical and Applied Climatology]]></source>
<year>2018</year>
<volume>133</volume>
<page-range>787-97</page-range></nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="book">
<collab>ONU</collab>
<source><![CDATA[World population prospects: The 2017 revision. Volumen II: Demographic Profiles]]></source>
<year>2017</year>
<page-range>848</page-range><publisher-loc><![CDATA[New York, USA ]]></publisher-loc>
<publisher-name><![CDATA[United Nations]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="">
<collab>SFA</collab>
<source><![CDATA[Indicadores Estatales Agroeconómicos. Subcecretaría de Fomento a los Agronegocios de la SAGARPA.]]></source>
<year>2018</year>
</nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="book">
<collab>SIAP</collab>
<source><![CDATA[Atlas Agro alimentario 2017]]></source>
<year>2017</year>
<page-range>232</page-range><publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[SAGARPA]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="book">
<collab>SIAP</collab>
<source><![CDATA[Infonografía Agroalimentaria 2017]]></source>
<year>2017</year>
<page-range>52</page-range><publisher-loc><![CDATA[México ]]></publisher-loc>
<publisher-name><![CDATA[SAGARPA]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="">
<collab>SIAP</collab>
<source><![CDATA[Avance de Siembras y Cosechas, Resumen por Estado. Servicios de Información Agroalimentaria y Pesquera.]]></source>
<year>2018</year>
</nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="">
<collab>SMN</collab>
<source><![CDATA[Estaciones meteorológicas de México. Servicio Meteorológico Nacional]]></source>
<year>2018</year>
</nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Snyder]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Melo-Abreu]]></surname>
<given-names><![CDATA[JP]]></given-names>
</name>
</person-group>
<source><![CDATA[Protección contra las heladas: fundamentos práctica y economía]]></source>
<year>2010</year>
<page-range>242</page-range><publisher-loc><![CDATA[Roma, Italia ]]></publisher-loc>
<publisher-name><![CDATA[Organización de las Naciones Unidas para la Agricultura y la Alimentación]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B35">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Thornthwaite]]></surname>
<given-names><![CDATA[CW]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[An approach toward a rational classification of climate]]></article-title>
<source><![CDATA[Geographical Review]]></source>
<year>1948</year>
<volume>38</volume>
<page-range>55-94</page-range></nlm-citation>
</ref>
<ref id="B36">
<nlm-citation citation-type="">
<collab>UNFPA</collab>
<source><![CDATA[Total population in millions, 2018. Fondo de Población de la Naciones Unidas]]></source>
<year>2018</year>
</nlm-citation>
</ref>
<ref id="B37">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vrieling]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[de Leeuw]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Said]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Length of growing period over Africa: Variability and Trends from 30 Years of NDVI time series]]></article-title>
<source><![CDATA[Remote Sensing]]></source>
<year>2013</year>
<volume>5</volume>
<page-range>982-1000</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
