<?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>S0366-52322022000300619</article-id>
<article-id pub-id-type="doi">10.15446/caldasia.v44n3.94762</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Dieta de Telmatobius atacamensis (Anura: Telmatobiidae): primeros aportes al conocimiento sistemático del nicho trófico]]></article-title>
<article-title xml:lang="en"><![CDATA[Diet of Telmatobius atacamensis (Anura: Telmatobiidae): first contributions to the systematic knowledge of the trophic niche]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Abdenur-A]]></surname>
<given-names><![CDATA[Florencia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vera]]></surname>
<given-names><![CDATA[Rolando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castro]]></surname>
<given-names><![CDATA[Sofia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-T]]></surname>
<given-names><![CDATA[Nancy]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Nimezw]]></surname>
<given-names><![CDATA[Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Acosta]]></surname>
<given-names><![CDATA[Rebeca]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional de Salta Escuela de Biología Facultad de Ciencias Naturales]]></institution>
<addr-line><![CDATA[Salta ]]></addr-line>
<country>Argentina</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional de Salta  ]]></institution>
<addr-line><![CDATA[Salta ]]></addr-line>
<country>Argentina</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2022</year>
</pub-date>
<volume>44</volume>
<numero>3</numero>
<fpage>619</fpage>
<lpage>626</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0366-52322022000300619&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0366-52322022000300619&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0366-52322022000300619&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Telmatobius atacamensis, anuro microendémico de la Puna salteña, tiene hábitos exclusivamente acuáticos. Está categorizado como especie en peligro crítico a nivel global y como amenazada a nivel nacional. El conocimiento de la ecología trófica es útil para mejorar el manejo y conservación de una especie y, debido a que esta información es escasa, el objetivo fue describir y analizar su dieta. Mediante la técnica de lavado estomacal se obtuvieron 37 contenidos de individuos recolectados en los ríos San Antonio y Los Patos durante un ciclo anual (2018), una vez al mes. Se registraron 724 presas, pertenecientes a diez órdenes; dípteros, coleópteros y hemípteros fueron los más importantes. No hubo correlación significativa entre el tamaño depredador-presa. Tampoco hubo diferencias significativas entre hembras, machos y juveniles y el número y volumen de presas consumidas. El índice de diversidad de la dieta fue de 1,05 y la amplitud del nicho trófico estandarizado fue de 0,09. La superposición de nicho entre las categorías fue de Ojk = 0,80. De acuerdo con el índice de similitud de Jaccard, las dietas de hembras y juveniles fueron las más semejantes (71 %). Presentaron una marcada predominancia al consumo de invertebrados de hábitos bentónicos y, si bien se encontraron algunas presas de hábitos terrestres, podría deberse a un consumo accidental. Este consumo desproporcionado de fauna bentónica estaría directamente relacionado con los hábitos de vida de la especie. Por otro lado, la composición de la dieta no varía significativamente entre las categorías consideradas, sin registrar diferencias en la cantidad y volumen de presas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Telmatobius atacamensis, a microendemic anuran from the Salta Puna, has exclusively aquatic habits. It is categorized as a critically endangered species globally and as threatened nationally. The knowledge of trophic ecology is useful to improve the management and conservation of a species and, since this information is scarce, the objective was to describe and analyze its diet. Using the Stomach-flushing technique, 37 stomach contents were obtained from individuals recollected once a month in the San Antonio and Los Patos rivers during an annual cycle (2018). A total of 724 eaten items from ten orders were registered; dipterans, coleopterans, and hemipterans were the most important. There was no significant correlation between predator-prey sizes. Nor were there significant differences between females, males, and juveniles, and the number and volume of prey consumed. The diet diversity index was 1.05 and the standardized trophic niche width was 0.09. The niche overlap between the categories was Ojk = 0.80. According to the Jaccard similarity index, the diets of females and juveniles were the most similar (71 %). They presented a marked predominance for the consumption of invertebrates with benthic habits and, although some prey of terrestrial habits were found, it could be due to accidental consumption. This disproportionate consumption toward benthic fauna would be directly related to the life habits of the species. On the other hand, the composition of the diet does not vary significantly between the categories considered, without registering differences in the quantity and volume of prey.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Diptera]]></kwd>
<kwd lng="en"><![CDATA[food ecology]]></kwd>
<kwd lng="en"><![CDATA[puna salteña]]></kwd>
<kwd lng="en"><![CDATA[stomach flushing]]></kwd>
<kwd lng="es"><![CDATA[Diptera]]></kwd>
<kwd lng="es"><![CDATA[ecología alimentaria]]></kwd>
<kwd lng="es"><![CDATA[lavado estomacal]]></kwd>
<kwd lng="es"><![CDATA[puna salteña]]></kwd>
</kwd-group>
</article-meta>
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