<?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>2007-1132</journal-id>
<journal-title><![CDATA[Revista mexicana de ciencias forestales]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. de cienc. forestales]]></abbrev-journal-title>
<issn>2007-1132</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-11322016000100020</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Influencia de la urbanización en el cambio de la vegetación colindante del corredor Pachuca-Tizayuca (2000-2014)]]></article-title>
<article-title xml:lang="en"><![CDATA[Influence of urbanization on the change in the vegetation adjoining the Pachuca-Tizayuca corridor (2000-2014)]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández Flores]]></surname>
<given-names><![CDATA[María de la Luz]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Palacios Romero]]></surname>
<given-names><![CDATA[Abraham]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Otazo Sánchez]]></surname>
<given-names><![CDATA[Elena María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González Ramírez]]></surname>
<given-names><![CDATA[César Abelardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gordillo Martínez]]></surname>
<given-names><![CDATA[Alberto José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mendoza Herrera]]></surname>
<given-names><![CDATA[Karen Andrea]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma del Estado de Hidalgo Centro de Investigaciones Químicas ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma del Estado de Hidalgo Instituto de Ciencias Agropecuarias ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2016</year>
</pub-date>
<volume>7</volume>
<numero>33</numero>
<fpage>20</fpage>
<lpage>39</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-11322016000100020&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-11322016000100020&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-11322016000100020&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: Las áreas urbanas ejercen presión sobre la vegetación colindante a estas. Se ha demostrado que la diferencia en los índices de vegetación (&#916;IV) es un buen indicador de su deterioro; aunque se relaciona con la presión urbana, no se ha establecido una metodología que cuantifique su impacto. Esta estrategia se aplicó en los principales municipios del Valle de Pachuca-Tizayuca, en donde la urbanización registra mayores crecimientos. Se obtuvo la clasificación supervisada en los años 2000 y 2014, mediante sistemas de información geográfica e imágenes Landsat (confiabilidad &gt; 80 %). Se determinó el cambio de uso de suelo (NU) a urbano (U) con los cocientes U/NU y se compararon con &#916;IV entre ambos años; se usaron los índices NDVI, MSAVI, SAVI y TSAVI; además de los AGEB rurales, como unidades geográficas de análisis. Posteriormente, se generó un archivo raster de distancias de cada pixel al borde de las zonas urbanas más cercanas (DU). La correlación lineal de DU se determina con el &#916;IV a partir de la regresión espacial bivariada en IDRISI-Taiga. Las AGEB con creciente urbanización se identifican por los valores mayores del cociente U/NU y se observa que los &#916;IV presentan mayores valores. Se demuestra que DU tiene más correlación con &#916;IV en las AGEB con asentamientos humanos intermedios en expansión (R2 de 0.1 a 0.33). Se demuestra que la correlación espacial &#916;IV vs. DU es una buena estrategia metodológica para estimar el impacto de presión urbana sobre la vegetación colindante a los asentamientos humanos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: Urban areas exert pressure over the adjoining vegetation. It has been demonstrated that the difference between vegetation indices (&#916;VI) is a good indicator of its deterioration; however, no methodology quantifying its impact has been established. This strategy was applied in the main municipalities of the Pachuca-Tizayuca Valley, where urbanization experiences greater growths. The supervised classification was obtained in the years 2000 and 2014 through geographical information systems (GIS) and Landsat images (&gt; 80 % reliability). The change of use of the soil (NU) to urban (U) was determined using the U/NU ratios and comparing them with the &#916;VI between the two years. The NDVI, MSAVI, SAVI and TSAVI indices and the rural AGEBs were utilized as geographical analysis units. A distance raster file was generated for every pixel at the edge of the nearest urban areas (DU). The linear correlation of DU was determined using the &#916;VI based on the bivariate spatial regression in IDRISI-Taiga software. The AGEBs with growing urbanization were identified by the higher values of the U/NU ratio; the &#916;VIs were also observed to have higher values. DU was shown to have more correlation with &#916;VI in the AGEBs with human settlements of intermediate expanse (R2 of 0.1 to 0.33). And the spatial correlation of &#916;VI vs. DU has been equally proven to be a good methodological strategy for estimating the impact of urban pressure on the vegetation adjoining human settlements.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[A&#769;rea geogra&#769;fica ba&#769;sica]]></kwd>
<kwd lng="es"><![CDATA[asentamientos humanos]]></kwd>
<kwd lng="es"><![CDATA[cambio en vegetacio&#769;n]]></kwd>
<kwd lng="es"><![CDATA[correlacio&#769;n espacial]]></kwd>
<kwd lng="es"><![CDATA[i&#769;ndice de vegetacio&#769;n]]></kwd>
<kwd lng="es"><![CDATA[presio&#769;n urbana]]></kwd>
<kwd lng="en"><![CDATA[Basic geographic area]]></kwd>
<kwd lng="en"><![CDATA[human settlements]]></kwd>
<kwd lng="en"><![CDATA[change in land use]]></kwd>
<kwd lng="en"><![CDATA[spatial correlation]]></kwd>
<kwd lng="en"><![CDATA[vegetation index]]></kwd>
<kwd lng="en"><![CDATA[urban pressure]]></kwd>
</kwd-group>
</article-meta>
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