<?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>0366-5232</journal-id>
<journal-title><![CDATA[Caldasia]]></journal-title>
<abbrev-journal-title><![CDATA[Caldasia]]></abbrev-journal-title>
<issn>0366-5232</issn>
<publisher>
<publisher-name><![CDATA[Instituto de Ciencias Naturales, Facultad de Ciencias-Universidad Nacional de Colombia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0366-52322021000200298</article-id>
<article-id pub-id-type="doi">10.15446/caldasia.v43n2.84837</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Densidad poblacional y organización social del primate endémico y críticamente amenazado Plecturocebus caquetensis (Pitheciidae) en el Piedemonte Andino-Amazónico del Cauca, Colombia]]></article-title>
<article-title xml:lang="en"><![CDATA[Population density and social organization of the endemic and critically endangered primate Plecturocebus caquetensis (Pitheciidae) at the Andean-Amazon foothills of Cauca, Colombia]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Suárez-Ramírez]]></surname>
<given-names><![CDATA[Laura]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mantilla-Meluk]]></surname>
<given-names><![CDATA[Hugo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-Villalba]]></surname>
<given-names><![CDATA[Javier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad del Quindío  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de la Amazonía Grupo de Investigación en Agroecosistemas y Conservación en Bosques Amazónicos-GAIA ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<volume>43</volume>
<numero>2</numero>
<fpage>298</fpage>
<lpage>309</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0366-52322021000200298&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0366-52322021000200298&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0366-52322021000200298&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Con un área de distribución de tan solo 4029 km2 y endémica del Piedemonte Andino-Amazónico de los departamentos colombianos de Caquetá y Cauca, Plecturocebus caquetensis ha sido considerado uno de los 25 primates más amenazados del mundo. A la fecha, sólo existen datos de su demografía y ecología para poblaciones en el departamento del Caquetá, en tanto que, para la baja Bota Caucana, región que contiene los bosques mejor conservados para su distribución, aún no se evalúan estos atributos. Mediante el método de muestreo por distancias con transectos lineales, estudiamos la organización social y estimamos la densidad poblacional de P. caquetensis en bosques aluviales con diferentes grados de intervención antrópica y conectividad. Para 263 hectáreas de bosque, se estimó una densidad de 12,5 individuos/ km2 y 5,3 grupos/ km2. Se registraron 56 individuos en 22 grupos, el tamaño promedio fue de 2,5 individuos/grupo, el 80 % de los individuos fueron adultos, 16,4 % juveniles y 3,6 % subadultos. La densidad registrada es baja con respecto a estimaciones realizadas en un bosque inundable de aguas negras en el departamento del Caquetá y coincide con los registrados para bosques de lomerío. Se genera un insumo para la formulación de futuras investigaciones y estrategias de conservación pertinentes al contexto socio ambiental y cultural de la baja Bota Caucana.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT With a range of only 4029 km2, endemic to the Andean-Amazon foothills of the Colombian departments of Caqueta and Cauca, Plecturocebus caquetensis has been considered one of the 25 most endangered primate species around the world. At this date, there are only demographic and ecologic data for the Caqueta department population but the region of the Bota Caucana, which encloses the best-preserved forest within its distribution, has not been evaluated yet. Through the distance line-transect sampling method, we investigated the social structure and population density of P. caquetensis in an alluvial forest with different levels of anthropic intervention and connectivity. For 263 forest hectares, a density of 12.5 individuals/km2 and 5.3 groups/km2 was estimated. A total of 56 individuals in 22 groups were recorded, the average size was 2.5 individuals/group, 80 % of the individuals were adults, 16.4 % young; and 3.6 % subadults. The density reported here is low regarding the estimates made in a black-water flooding forest of the Caqueta department and concurs with that registered in hill forests. This article contributes to the understanding of the population status of species from the area, allowing further research as well as conservation strategies applicable to the Baja Bota Caucana in a socio-environmental and cultural context.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Population status]]></kwd>
<kwd lng="en"><![CDATA[endangered endemic primate]]></kwd>
<kwd lng="en"><![CDATA[Amazon foothills]]></kwd>
<kwd lng="en"><![CDATA[Caqueta Titi monkey]]></kwd>
<kwd lng="es"><![CDATA[Estado poblacional]]></kwd>
<kwd lng="es"><![CDATA[primate endémico amenazado]]></kwd>
<kwd lng="es"><![CDATA[piedemonte amazónico]]></kwd>
<kwd lng="es"><![CDATA[mico bonito del Caquetá]]></kwd>
</kwd-group>
</article-meta>
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