<?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>0034-7744</journal-id>
<journal-title><![CDATA[Revista de Biología Tropical]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. biol. trop]]></abbrev-journal-title>
<issn>0034-7744</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Costa Rica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0034-77442019000100306</article-id>
<article-id pub-id-type="doi">10.15517/rbt.v67i1.33250</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Influence of the configuration and heterogeneity of the agroforestry and silvopastoral mosaics on the bird community, Andean Amazon of Colombia]]></article-title>
<article-title xml:lang="es"><![CDATA[Influencia de la configuración y heterogeneidad de los mosaicos agroforestales y silvopastoriles en la avifauna de la Amazonia andina, de Colombia]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Velásquez-Valencia]]></surname>
<given-names><![CDATA[Alexander]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bonilla-Gomez]]></surname>
<given-names><![CDATA[María Argenis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de la Amazonía  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional de Colombia  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2019</year>
</pub-date>
<volume>67</volume>
<numero>1</numero>
<fpage>306</fpage>
<lpage>320</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0034-77442019000100306&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S0034-77442019000100306&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S0034-77442019000100306&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract General changes in land use have established patterns of modification of native vegetation into agricultural and grazing land. These production systems, as well as social and economic influences, have created diverse landscapes - mosaics composed of varied elements of vegetation cover (forests, crops, pastures, barren fields) that are distributed across spaces in different ways. In this investigation, we determine the distribution patterns of the richness, abundance and diversity of the bird community within the configuration and composition of agroforestry and silvopastoral landscapes. We observed 262 bird species, 6 720 individuals, 23 orders and 54 families within 39 production system mosaics. None of the species accumulation curves in the production systems reached their asymptote, and the calculated estimators predicted a greater number of species than those observed during the survey. In general terms, richness, diversity and equitability indices were highest in the mosaics of agroforestry systems, while abundance and dominance indices were highest in the mosaics associated with silvopastoral and traditional livestock systems. Variables that describe vegetation cover in mosaics have different and independent effects on the diversity of bird assemblages and on the association of land use groups within the mosaics. The positive extreme of the first component contributes to the variance in the model of richness and diversity indices - both the structural components of landscapes and biological components of the assemblages. The area and disposition of different types of elements in the mosaics of the production system landscapes reflect the systematic management of covers, which affects the implications of landscape conservation and restoration practices. Different landscape elements serve as points of contact in the dispersion and distribution of species within these landscapes. The priority of conservation efforts and the first step for the restoration and connectivity of landscapes in the Andean Amazon of Colombia should be the management and protection of covers like old stubble or BFG and BRP. Another approach is the design of landscapes for entire communities of species with respect to certain quantities of habitats in the landscape and the isolation of patches.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La conversión generalizada de los usos de la tierra, han establecido patrones de modificación de la vegetación nativa a usos dominados por tierras agrícolas y de producción ganadera. La operación de estos sistemas de producción y las influencias sociales y económicas han creado diversos paisajes, mosaicos de elementos de cubierta vegetal variada (bosques, cultivos, pastizales, terrenos baldíos) dispuestos de manera diferente en el espacio. En esta investigación determinamos los patrones de distribución de la riqueza, la abundancia y la diversidad de la comunidad de aves en la configuración y composición de los paisajes agroforestal y silvopastoril. Se registraron 262 especies de aves, 6 720 individuos, 23 ordenes y 54 familias en los sistemas de producción. Ninguna de las curvas de acumulación de especies en los sistemas de producción llego a su asíntota y los estimados calculados predijeron un mayor número de especies de las observadas durante el muestreo. La variabilidad encontrada tanto de riqueza, diversidad como de dominancia y equidad en los ensamblajes de aves, entre los diferentes sistemas es explicada tanto por composición como por estructura. Las variables que describen la cobertura en los mosaicos, tienen un efecto diferente e independiente en la diversidad del ensamble de aves y de la asociación de los grupos de usos de la tierra en los mosaicos. Se presentaron correlaciones positivas entre los usos del suelo de vegetación abierta y los índices de dominancia, y los usos de suelo de vegetación cerrada con los índices de riqueza y diversidad presente en los mosaicos. Las aves responden a la variación de las coberturas de los elementos de los mosaicos en los sistemas de producción en esta extensión, sin embargo, es probable que a escalas más grandes se puedan estimar algunos otros patrones con relación a las variables de clase y paisaje seleccionados en esta investigación. Se pueden predecir cuales son los variables del paisaje más importante para todas las variables de respuesta en los paisajes de 500 m de radio.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[birds]]></kwd>
<kwd lng="en"><![CDATA[landscape]]></kwd>
<kwd lng="en"><![CDATA[heterogeneity]]></kwd>
<kwd lng="en"><![CDATA[diversity]]></kwd>
<kwd lng="en"><![CDATA[richness]]></kwd>
<kwd lng="en"><![CDATA[agroforestry]]></kwd>
<kwd lng="en"><![CDATA[silvopastoral]]></kwd>
<kwd lng="es"><![CDATA[aves]]></kwd>
<kwd lng="es"><![CDATA[paisaje]]></kwd>
<kwd lng="es"><![CDATA[heterogeneidad]]></kwd>
<kwd lng="es"><![CDATA[diversidad]]></kwd>
<kwd lng="es"><![CDATA[riqueza]]></kwd>
<kwd lng="es"><![CDATA[agroforestería]]></kwd>
<kwd lng="es"><![CDATA[silvopastoril]]></kwd>
</kwd-group>
</article-meta>
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