<?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>1659-4266</journal-id>
<journal-title><![CDATA[Cuadernos de Investigación UNED]]></journal-title>
<abbrev-journal-title><![CDATA[Cuadernos de Investigación UNED]]></abbrev-journal-title>
<issn>1659-4266</issn>
<publisher>
<publisher-name><![CDATA[Universidad Estatal a Distancia de Costa Rica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1659-42662020000100014</article-id>
<article-id pub-id-type="doi">10.22458/urj.v12i1.2803</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Uso de hábitats alterados por aves insectívoras de sotobosque en un gradiente ambiental y su potencial para la conservación en Nicoya, Costa Rica]]></article-title>
<article-title xml:lang="en"><![CDATA[Use of altered habitats by understory insectivore birds in an environmental gradient and their potential for conservation in Nicoya, Costa Rica]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Oviedo Pérez]]></surname>
<given-names><![CDATA[Paul Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Estatal a Distancia  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2020</year>
</pub-date>
<volume>12</volume>
<numero>1</numero>
<fpage>14</fpage>
<lpage>26</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S1659-42662020000100014&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S1659-42662020000100014&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S1659-42662020000100014&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Introducción: Los hábitats perturbados por la fragmentación y las actividades humanas aumentan la necesidad de establecer estrategias para conservar las especies que dependen de bosques maduros y continuos. Objetivo: Analizar la composición de aves insectívoras de sotobosque en tres hábitats con diferente grado de disturbio forestal y determinar su potencial de conservación. Métodos: Comparé la composición de aves con el método de captura con redes de niebla. Caractericé los hábitats utilizando el método de parcelas rectangulares y con base en la profundidad del mantillo, la luminosidad, la cobertura horizontal de la vegetación del sotobosque, el área basal del bosque y la densidad de árboles, palmeras y arbustos. Resultados: Capturé un total de 397 individuos pertenecientes a nueve especies. El bosque maduro fue el hábitat con mayor cantidad de especies (9) y de individuos capturados (139). La composición de especies varió significativamente entre los hábitats (F(2, 27)=3,87; p&lt;0,001). Las especies con mayor peso en la disimilitud entre los hábitats fueron: Sittasomus griseicapillus, Thamnophilus doliatus y Eucometis penicillata. El ensamblaje de las especies en los hábitats más perturbados incluyó especies más generalistas en comparación con el bosque maduro, donde hubo mayor abundancia de especies especialistas. La densidad arbórea y de palmas fueron los atributos del hábitat que mejor explicaron la asociación de las especies (F(7, 22)=1,98; rho=0,379; p=0,003). No hubo diferencia significativa en el índice de importancia entre los tres hábitats (ANOSIM, p=0,633). Conclusión: Los hábitats perturbados son importantes para la conservación de algunas de las especies de aves insectívoras dependientes de bosques maduros tropicales.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Introduction: Habitats disturbed by fragmentation and human activities increase the need to establish strategies to conserve species dependent on mature and continuous forests. Objective: To analyze the composition of insectivorous understory birds in three habitats with different degrees of forest disturbance, and to determine their conservation potential. Methods: I compared the composition of insectivorous understory birds with the mist netting traps. I characterized the habitats using the method of rectangular plots and based on the depth of the mulch, the luminosity, horizontal coverage of the vegetation of the understory, the forest basal area and the density of trees, palms and shrubs. Results: I captured a total of 397 individuals belonging to nine species. The mature forest was the habitat with the highest number of species (9) and individuals captured (139). Species composition varied significantly among habitats (F(2, 27)=3,8758, p&lt;0,001). The species with the greatest weight in the dissimilarity between the habitats were: Sittasomus griseicapillus, Thamnophilus doliatus and Eucometis penicillata. Disturbed habitats included more generalist species than the forest, dominated by specialist species. The tree and palm density best explained species association (F(7, 22)=1,9774, rho=0,3794, p=0,003). There was no significant difference in the index of importance among the three habitats (ANOSIM, p=0,63330). Conclusion: Disturbed habitats are important for the conservation of some of the insectivorous bird species dependent on mature tropical forests in Nicoya.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Tropical moist forest]]></kwd>
<kwd lng="en"><![CDATA[composition]]></kwd>
<kwd lng="en"><![CDATA[communities]]></kwd>
<kwd lng="en"><![CDATA[conservation]]></kwd>
<kwd lng="es"><![CDATA[Bosque húmedo tropical]]></kwd>
<kwd lng="es"><![CDATA[composición]]></kwd>
<kwd lng="es"><![CDATA[comunidades]]></kwd>
<kwd lng="es"><![CDATA[conservación]]></kwd>
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</article-meta>
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