<?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>S0187-57792024000100137</article-id>
<article-id pub-id-type="doi">10.28940/terra.v42i.1887</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Carbon Reservoirs in the Biomass and Soil in Livestock Systems with Scattered Trees in Pastures in the Humid Tropics of Mexico]]></article-title>
<article-title xml:lang="es"><![CDATA[Reservorios de Carbono en la Biomasa y el Suelo en Sistemas Ganaderos con Árboles Dispersos en Pasturas del Trópico Húmedo de México]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López-Santiago]]></surname>
<given-names><![CDATA[José Germain]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villanueva-López]]></surname>
<given-names><![CDATA[Gilberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Casanova-Lugo]]></surname>
<given-names><![CDATA[Fernando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez-Zurimendi]]></surname>
<given-names><![CDATA[Pablo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jarquín-Sánchez]]></surname>
<given-names><![CDATA[Aarón]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bravo-Oviedo]]></surname>
<given-names><![CDATA[Felipe]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aryal]]></surname>
<given-names><![CDATA[Deb Raj]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Tecnológico Nacional de México  ]]></institution>
<addr-line><![CDATA[ Campeche]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,El Colegio de la Frontera Sur  ]]></institution>
<addr-line><![CDATA[ Tabasco]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Tecnológico Nacional de México  ]]></institution>
<addr-line><![CDATA[ Quintana Roo]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,El Colegio de la Frontera Sur  ]]></institution>
<addr-line><![CDATA[ Tabasco]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,El Colegio de la Frontera Sur  ]]></institution>
<addr-line><![CDATA[ Tabasco]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Universidad de Valladolid Departamento de Producción Vegetal y Recursos Forestales ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="Af7">
<institution><![CDATA[,Universidad Autónoma de Chiapas Facultad de Ciencias Agronómicas ]]></institution>
<addr-line><![CDATA[ Chiapas]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2024</year>
</pub-date>
<volume>42</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0187-57792024000100137&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0187-57792024000100137&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0187-57792024000100137&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Summary: Maintaining trees in grassland areas is an option for enhancing carbon stocks, yet the contribution of dispersed trees in pastures has been little studied in livestock systems in the humid tropics of Mexico, despite being one of the region&#8217;s most widely employed silvopastoral modalities. We conducted a study to assess biomass and soil carbon storage in a silvopastoral system, consisting of Brachiaria brizantha grass with native trees dispersed in paddocks (STP) and compared the findings with a pastureland consisting of Brachiaria decumbens grass without trees (WT). Five sampling plots of 1000 m2 size, were randomly selected for each livestock system (STP and WT). At each site, tree biomass was estimated by allometric equations, and herbaceous, litter biomass, and soil organic carbon at four different depths were quantified by direct sampling method. Of the total biomass in the STP, above-ground biomass contributed 57.3%, below-ground biomass 20%, and ground litter 22.7%. In the case of WT, above-ground biomass represented 40.9% of the total biomass, below-ground biomass 6.4%, and litter 52.7%. The STP system stored a total of 162.3 Mg C ha-1, of which 149.7 Mg C ha-1 in the soil to 70 cm depth and 12.7 Mg C ha-1 in the biomass. WT system stored a total of 116.6 Mg C ha-1, of which 110.7 Mg C ha-1 in the soil and 5.5 Mg C ha-1 in the biomass. It is concluded that the STP livestock system increased 28% of the total carbon storage compared to the WT. However, more studies with greater species diversity and at different densities are needed to understand better the contribution of trees to carbon accumulation in livestock systems.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: La presencia de árboles en pastizales es una opción para aumentar las reservas de carbono, aun el aporte de árboles dispersos en pastos ha sido poco estudiado en sistemas ganaderos del trópico húmedo de México, a pesar de ser una de las modalidades silvopastoriles más utilizadas en la región. Aquí, estudiamos la biomasa y el almacenamiento de carbono en el suelo en un sistema silvopastoril compuesto por pasto Brachiaria brizantha asociado con árboles nativos de Cedrela odorata, Cordia alliodora, Spondias mombin y Zanthoxylum kellermanii dispersos en potreros (ADP) y lo comparamos con un sistema ganadero compuesto por Brachiaria decumbens sin árboles (SA). Se seleccionaron al azar cinco parcelas de muestreo de 1000 m2 para cada sistema ganadero. En cada sitio, la biomasa arbórea se estimó mediante ecuaciones alométricas, la biomasa herbácea y de hojarasca, así como el carbono orgánico del suelo a diferentes profundidades se cuantificaron mediante métodos de muestreo directo. De la biomasa total en los sistemas ganaderos con ADP, la biomasa aérea contribuyó con el 57.3%, la biomasa subterránea con el 20% y la hojarasca con el 22.7%. En el caso del sistema ganadero SA, la biomasa aérea representó el 40.9% de la biomasa total, la subterránea el 6.4% y la hojarasca el 52.7%. El sistema ADP almacenó un total de 162.3 Mg C ha-1, de los cuales 149.7 Mg C ha-1 en el suelo a 70 cm de profundidad y 12.7 Mg C ha-1 en la biomasa. Mientras que el sistema SA almacenó un total de 116.6 Mg C ha-1, de los cuales 110.7 Mg C ha-1 en el suelo y 5.5 Mg C ha-1 en la biomasa. Se concluye que el sistema ganadero con ADP incrementó un 28% de las reservas totales de carbono en comparación con SA. Sin embargo, se necesitan más estudios con mayor diversidad de especies y a diferentes densidades para comprender mejor la contribución de los árboles en la acumulación de carbono en sistemas ganaderos.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[environmental services]]></kwd>
<kwd lng="en"><![CDATA[grasslands]]></kwd>
<kwd lng="en"><![CDATA[native tree species]]></kwd>
<kwd lng="en"><![CDATA[silvopastoral system]]></kwd>
<kwd lng="en"><![CDATA[tabasco]]></kwd>
<kwd lng="es"><![CDATA[servicios ambientales]]></kwd>
<kwd lng="es"><![CDATA[pastizales]]></kwd>
<kwd lng="es"><![CDATA[especies de árboles nativos]]></kwd>
<kwd lng="es"><![CDATA[sistema silvopastoril]]></kwd>
<kwd lng="es"><![CDATA[tabasco]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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