<?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>0187-5779</journal-id>
<journal-title><![CDATA[Terra Latinoamericana]]></journal-title>
<abbrev-journal-title><![CDATA[Terra Latinoam]]></abbrev-journal-title>
<issn>0187-5779</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de la Ciencia del Suelo A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0187-57792020000500895</article-id>
<article-id pub-id-type="doi">10.28940/terra.v38i4.757</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Concentraciones de carbono orgánico en el arbolado y suelos del área natural protegida El Faro en Tlalmanalco, Estado de México]]></article-title>
<article-title xml:lang="en"><![CDATA[Organic carbon concentrations in the woodland and soils of the protected natural area &#8220;El Faro&#8221; in Tlalmanalco, Estado de Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cano-Flores]]></surname>
<given-names><![CDATA[Oscar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vela-Correa]]></surname>
<given-names><![CDATA[Gilberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Acevedo-Sandoval]]></surname>
<given-names><![CDATA[Otilio A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valera-Pérez]]></surname>
<given-names><![CDATA[Miguel Ángel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma Metropolitana Departamento Producción Agrícola y Animal ]]></institution>
<addr-line><![CDATA[Xochimilco Ciudad de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma Metropolitana Departamento de El Hombre y su Ambiente ]]></institution>
<addr-line><![CDATA[Xochimilco Ciudad de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Autónoma del Estado de Hidalgo Área Académica de Ciencias Químicas ]]></institution>
<addr-line><![CDATA[Pachuca de Soto Hidalgo]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Benemérita Universidad Autónoma de Puebla Instituto de Ciencias ]]></institution>
<addr-line><![CDATA[Puebla Puebla]]></addr-line>
<country>Mexico</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>38</volume>
<numero>4</numero>
<fpage>895</fpage>
<lpage>905</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0187-57792020000500895&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0187-57792020000500895&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0187-57792020000500895&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: A pesar de algunos esfuerzos de reforestación, México pierde alrededor de 500 000 ha de bosques templados anualmente, lo cual libera a la atmósfera el carbono contenido en el tejido vegetal, mantillo y suelos. Gran parte de estos bosques se encuentran en suelos de origen volcánico que ocupan el 1.2% del territorio nacional, pero existe poca información acerca del almacenamiento de carbono en suelos, mantillo y vegetación arbórea sobre estos suelos. Por esto, el objetivo de esta investigación fue determinar las concentraciones de carbono orgánico en el arbolado, mantillo y suelos en el área natural protegida (ANP) El Faro en Tlalmanalco, Edo. de México. Se seleccionaron ocho sitios de muestreo bajo cuatro categorías de cobertura arbórea: Cupressus-Pinus, Pinus-Quercus, Quercus-Pinus y Quercus. Se determinó la especie y el diámetro normal (DN) de los árboles mayores a 10 cm de DN, se colectaron muestras de mantillo y de suelo de 0 a 20 cm de profundidad. En laboratorio, se determinaron las concentraciones de carbono orgánico del suelo (COS), densidad aparente, porosidad, y volumen de rocas. Se estimó el carbono total en arboles por especie con base en fórmulas alométricas. Se almacena en promedio 185.34 Mg ha-1 en total: 56.40 Mg ha-1 en la vegetación arbórea, 44.91 Mg ha&#8209;1 en mantillo y 84.03 Mg ha-1 en suelo. La cobertura arbórea Pinus-Quercus almacena más carbono en el arbolado con 71.74 Mg ha-1, y entre todos los sitios existe una correlación positiva entre la biomasa arbórea total de Quercus con el COS. Esto probablemente se debe a la acumulación y descomposición más rápida de su hojarasca comparado con las acículas de Pinus spp. Estimamos que se almacena un total de 9267 Mg de carbono en las 50 ha de bosque templado del ANP El Faro, contenido que se liberaría si el área se deforesta, evidenciando la importancia de su conservación.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Summary: Despite restoration efforts, Mexico loses on average 500 000 ha of temperate forests annually, releasing the carbon stored in plant tissues, leaf litter, and soils into the atmosphere. Much of the temperate forests of Mexico grow on volcanic soils (Andosols), which cover approximately 1.2% of the country&#8217;s area. However, little information is available on how much carbon is stored in soil, leaf litter, and arboreal components of these systems. Therefore, the objective of this study was to determine organic carbon concentration in trees, litter, and soil in &#8220;El Faro&#8221; Protected Natural Area in Tlalmanalco, Estado de Mexico. This research selected eight study sites under four tree-cover categories: Cupressus-Pinus, Pinus-Quercus, Quercus-Pinus and Quercus, and determined species and normal diameter (DN) of trees with DN larger than 10 cm, samples of leaf litter and soil were collected at a depth of 0-20 cm. Soil organic carbon (SOC) concentration was determined in the laboratory in an elemental analyzer, as well as bulk density, porosity, and rock volume. Total carbon stored by trees was estimated using species-specific allometric formulas. The average total carbon content was 185.34 Mg ha-1, with an overall average of 56.40 Mg ha-1 in trees, 44.91 Mg ha-1 in leaf litter, and 84.03 Mg ha-1 in soil. The tree cover storing the most carbon in vegetation was Pinus-Quercus, with 71.74 Mg ha-1, and across all the study sites a positive correlation was recorded between total Quercus tree biomass and SOC. This result was probably due to faster accumulation and decomposition of Quercus leaf litter compared to pine needles. Based on the estimates of this study, 50 ha of El Faro protected natural area stored a total of 9267 Mg of carbon that could be released if the area were deforested, evidencing the importance of its conservation.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[COS]]></kwd>
<kwd lng="es"><![CDATA[mantillo]]></kwd>
<kwd lng="es"><![CDATA[suelos forestales]]></kwd>
<kwd lng="es"><![CDATA[suelos volcánicos]]></kwd>
<kwd lng="en"><![CDATA[SOC]]></kwd>
<kwd lng="en"><![CDATA[mulch]]></kwd>
<kwd lng="en"><![CDATA[forest soils]]></kwd>
<kwd lng="en"><![CDATA[volcanic soils]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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