<?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>2448-6531</journal-id>
<journal-title><![CDATA[Historia mexicana]]></journal-title>
<abbrev-journal-title><![CDATA[Hist. mex.]]></abbrev-journal-title>
<issn>2448-6531</issn>
<publisher>
<publisher-name><![CDATA[El Colegio de México A.C., Centro de Estudios Históricos]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2448-65312020000300259</article-id>
<article-id pub-id-type="doi">10.24201/hm.v70i1.4080</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Reacciones en cadena: cambio tecnológico global y frontera forestal en la península de Yucatán (ca. 1850-1950)]]></article-title>
<article-title xml:lang="en"><![CDATA[Chains Reactions: Global Technological Change and the Forest Frontier in the Yucatán Peninsula (c. 1850-1950)]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pretel]]></surname>
<given-names><![CDATA[David]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universitat Pompeu Fabra  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Spain</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2020</year>
</pub-date>
<volume>70</volume>
<numero>1</numero>
<fpage>259</fpage>
<lpage>311</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2448-65312020000300259&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2448-65312020000300259&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2448-65312020000300259&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El presente artículo aborda el impacto del cambio tecnológico en la evolución de las fronteras de producción de mercancías tropicales por medio del estudio de los casos del palo de tinte y el chicle en la península yucateca desde mediados del siglo XIX hasta la segunda guerra mundial. Tres son los propósitos de este texto. En primer lugar, poner de relieve el papel que el cambio tecnológico a distintas escalas tuvo en el auge y declive de las cadenas globales de mercancías tropicales, en particular forestales, durante los años de la llamada segunda revolución industrial. En segundo lugar, argumentar que los ciclos de explotación del palo de tinte y el chicle en la península de Yucatán estuvieron determinados por la articulación de tecnologías globales y locales, en concreto químicas, botánicas y mecánicas. En tercer lugar, demostrar que las cadenas globales de transformación de estos dos recursos forestales fueron espacios de sincronía tecnocientífica, al conectar dos culturas tecnológicas disímiles.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract This article addresses the impact of technological change in the evolution of the frontiers of logwood and chicle production in the Yucatán Peninsula from the mid-19th century to World War II. It has three main goals: first, to emphasize the role that different scales of technology had on the rise and fall of global supply chains for tropical forest products during the so-called Second Industrial Revolution; second, to argue that the exploitation cycles for logwood and chicle were determined by the articulation of global and local chemical, botanical and mechanical technologies; third, to demonstrate that global supply chains for these resources were spaces of technoscientific synchrony, connecting dissimilar technological cultures.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[palo de tinte]]></kwd>
<kwd lng="es"><![CDATA[chicle]]></kwd>
<kwd lng="es"><![CDATA[tecnología]]></kwd>
<kwd lng="es"><![CDATA[cadena de mercancías]]></kwd>
<kwd lng="es"><![CDATA[sustitutos químicos]]></kwd>
<kwd lng="en"><![CDATA[Logwood]]></kwd>
<kwd lng="en"><![CDATA[Chicle]]></kwd>
<kwd lng="en"><![CDATA[Technology]]></kwd>
<kwd lng="en"><![CDATA[Supply Chain]]></kwd>
<kwd lng="en"><![CDATA[Chemical Substitutes]]></kwd>
</kwd-group>
</article-meta>
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<article-title xml:lang=""><![CDATA[The Logwood Trade in the Seventeenth and Eighteenth Centuries]]></article-title>
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<year>1936</year>
<publisher-loc><![CDATA[Nueva York ]]></publisher-loc>
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<source><![CDATA[Central American. Challenge and Opportunity]]></source>
<year>1941</year>
<publisher-loc><![CDATA[Nueva York ]]></publisher-loc>
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<article-title xml:lang=""><![CDATA[Substitutes for Indigo, Aniline Black, Logwood &amp; C.]]></article-title>
<source><![CDATA[Journal of the Society of Dyers and Colourists]]></source>
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<volume>25</volume>
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