<?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>0864-0394</journal-id>
<journal-title><![CDATA[Pastos y Forrajes]]></journal-title>
<abbrev-journal-title><![CDATA[Pastos y Forrajes]]></abbrev-journal-title>
<issn>0864-0394</issn>
<publisher>
<publisher-name><![CDATA[Estación Experimental de Pastos y Forrajes Indio Hatuey]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0864-03942019000200152</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Relaciones tróficas en un agroecosistema de la región Sabanas, Sucre, Colombia]]></article-title>
<article-title xml:lang="en"><![CDATA[Trophic relations in an agroecosystem of the Sabanas region, Sucre, Colombia]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Caraballo-Gracia]]></surname>
<given-names><![CDATA[Pedro Ramón]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martinez-Prada]]></surname>
<given-names><![CDATA[Sofia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Salcedo-Diaz]]></surname>
<given-names><![CDATA[Ana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Sucre Grupo de Investigación en Biodiversidad Tropical Sede Granja Perico ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Sucre  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<volume>42</volume>
<numero>2</numero>
<fpage>152</fpage>
<lpage>160</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0864-03942019000200152&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0864-03942019000200152&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0864-03942019000200152&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El objetivo de este estudio fue definir las relaciones tróficas existentes en el agroecosistema de una granja en la región Sabanas, Sucre, Colombia. Se partió de estudios anteriores en la granja y de observaciones de campo entre los años 2014-2017. Se recopiló información de las especies, la cual permitió agruparlas según su hábito alimenticio en trofoespecies. El flujo de energía se demostró mediante una matriz binaria de interrelaciones, y se analizaron los datos diseñando una red trófica. Se identificaron seis órdenes, dos familias, ocho géneros y 166 especies. De estos grupos se establecieron 11 categorías tróficas: productores, herbívoros, nectarívoros, granívoros, insectívoros, carnívoros, omnívoros, descomponedores, hematófagos, frugívoros y carroñeros, distribuidas en 48 trofoespecies. La red trófica presentó densidad de conexiones de 3,25 y un valor de conectancia de 0,13. Se concluye que la red trófica de los agroecosistemas permitió diferenciar los patrones fundamentales en la organización trófica de los individuos, y evidenció la importancia de algunos de ellos en el flujo de energía entre trofoespecies basales y superiores.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The objective of this study was to define the existing trophic relations in the agroecosystem of a farm in the Sabanas region, Sucre, Colombia. The research started from previous studies in the farm and from field observations between 2014 and 2017. Information of the species was compiled, which allowed to group them according to their feeding habits into trophospecies. The energy flow was shown through a binary matrix of interrelations, and the data were analyzed by designing a trophic network. Six orders, two families, eight genera and one 166 six species were identified. From these groups 11 trophic categories were established: producers, herbivores, nectarivores, granivores, insectivores, carnivores, omnivores, decomposers, hematophages, frugivores and scavengers, distributed in 48 trophospecies. The trophic network showed connection density of 3,25 and a connectance value of 0,13. It is concluded that the trophic network of the agroecosystems allowed to differentiate the fundamental patterns in the trophic organization of the individuals, and showed the importance of some of them in the energy flow between basal and higher trophospecies.]]></p></abstract>
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<kwd lng="en"><![CDATA[biodiversity]]></kwd>
<kwd lng="en"><![CDATA[energy exchange]]></kwd>
<kwd lng="en"><![CDATA[trophic levels]]></kwd>
</kwd-group>
</article-meta>
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