<?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>S0366-52322022000100069</article-id>
<article-id pub-id-type="doi">10.15446/caldasia.v44n1.82145</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Distribución espaciotemporal de ocho especies de garzas (Ardeidae) durante la reproducción en Isla Pájaros, Oaxaca-Chiapas, México]]></article-title>
<article-title xml:lang="en"><![CDATA[Spatio-temporal distribution of eight species of herons (Ardeidae) during the breeding season in Isla Pajaros, Oaxaca-Chiapas, Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mera-Ortíz]]></surname>
<given-names><![CDATA[Ghelen]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Enríquez]]></surname>
<given-names><![CDATA[Paula L.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valle-Mora]]></surname>
<given-names><![CDATA[Javier Francisco]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Palacios-Castro]]></surname>
<given-names><![CDATA[Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,El Colegio de la Frontera Sur  ]]></institution>
<addr-line><![CDATA[San Cristóbal de Las Casas Chiapas]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,El Colegio de la Frontera Sur  ]]></institution>
<addr-line><![CDATA[San Cristóbal de Las Casas Chiapas]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,El Colegio de la Frontera Sur  ]]></institution>
<addr-line><![CDATA[Tapachula Chiapas]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Centro de Investigación Científica y Educación Superior de Ensenada  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2022</year>
</pub-date>
<volume>44</volume>
<numero>1</numero>
<fpage>69</fpage>
<lpage>81</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0366-52322022000100069&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0366-52322022000100069&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0366-52322022000100069&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Las garzas que se reproducen en colonias presentan requerimientos ecológicos similares e intensifican sus relaciones interespecíficas. Sin embargo, estas especies pueden coexistir al segregarse temporal y espacialmente. Se estimó el número de nidos de ocho especies de garzas (Ardea alba, Egretta thula, E. caerulea, E. tricolor, E. rufescens, Bubulcus ibis, Nycticorax nycticorax y Cochlearius cochlearius) durante la temporada reproductiva marzo a agosto de 2018 en Isla Pájaros, Laguna Mar Muerto, Oaxaca-Chiapas, México. Así mismo, se estimaron las abundancias de las parejas reproductoras, el patrón temporal y espacial de reproducción por especie, y se describió el sitio de anidación. Se contaron nidos en 96 parcelas y se midieron ocho variables ambientales. Se registraron 1018 nidos, donde B. ibis presentó el mayor número de parejas reproductoras (299), seguida por E. tricolor (213) y E. thula (142). Las especies menos abundantes fueron C. cochlearius (35) y E. caerulea (33). La distribución de los nidos en la isla varió espacial y temporalmente entre parcelas al igual que la composición de especies y la abundancia de nidos por parcela (P &lt; 0,001). Se registró una distribución vertical en la construcción de los nidos de al menos tres especies, mientras que las cuatro garcitas de similar tamaño (E. thula, E. caerulea, E. tricolor y B. ibis) anidaron juntas en las partes intermedias. Se registraron agrupaciones entre las especies y características de la vegetación. Los patrones de distribución espacial y temporal de estas especies permiten entender el uso de un recurso común durante la reproducción.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Herons that breed in colonies have similar ecological requirements and intensify their interspecific relationships. However, these species can coexist by segregating temporally and spatially. In this study, the number of nests from eight species of herons (Ardea alba, Egretta thula, E. caerulea, E. tricolor, E. rufescens, Bubulcus ibis, Nycticorax nycticorax, and Cochlearius cochlearius) was estimated during the breeding season from March to August 2018 in Isla Pájaros, Mar Muerto Lagoon, Oaxaca-Chiapas, Mexico. Likewise, the number of breeding pairs, the temporal, and the spatial pattern of reproduction by species were estimated, and the nest sites were described. Nest were counted in 96 plots and eight environmental variables were measured. A total of 1018 nests were recorded, with B. ibis having the highest number of breeding pairs (299), followed by E. tricolor (213) and E. thula (142). The least abundant species were C. cochlearius (35) and E. caerulea (33). Nest distribution on the island was heterogeneous and varied spatial and temporally among plots as did species composition and nest abundance per plot (P &lt; 0.001). A vertical distribution in the nest construction of at least three species was recorded on the island, while the four egrets of similar size (Egretta thula, E. caerulea, E. tricolor, and Bubulcus ibis) nested together in middle parts of the mangrove. Clusters among species and vegetation characteristics were recorded. The spatial and temporal distribution patterns of these species allow us to understand the use of a common resource during reproduction.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Interspecific competition]]></kwd>
<kwd lng="en"><![CDATA[nest location]]></kwd>
<kwd lng="en"><![CDATA[partition of resources]]></kwd>
<kwd lng="es"><![CDATA[Competencia interespecífica]]></kwd>
<kwd lng="es"><![CDATA[repartición de recursos]]></kwd>
<kwd lng="es"><![CDATA[ubicación de nidos]]></kwd>
</kwd-group>
</article-meta>
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