<?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>1870-3453</journal-id>
<journal-title><![CDATA[Revista mexicana de biodiversidad]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Mex. Biodiv.]]></abbrev-journal-title>
<issn>1870-3453</issn>
<publisher>
<publisher-name><![CDATA[Instituto de Biología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1870-34532020000100325</article-id>
<article-id pub-id-type="doi">10.22201/ib.20078706e.2020.91.3456</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Aspectos poblacionales de Encope michelini (Clypeasteroida: Mellitidae) y asociación con el pinotérido Dissodactylus crinitichelis en el sector La Ahumadera, bahía de Cispatá, Caribe colombiano]]></article-title>
<article-title xml:lang="en"><![CDATA[Population aspects of Encope michelini (Clypeasteroida: Mellitidae) and association with the pea crab Dissodactylus crinitichelis in the Ahumadera Sector, Cispata Bay, Colombian Caribbean]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Galindo-Anaya]]></surname>
<given-names><![CDATA[Anyoly]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Nisperuza-Pérez]]></surname>
<given-names><![CDATA[Carlos A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Quirós-Rodríguez]]></surname>
<given-names><![CDATA[Jorge A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Córdoba Departamento de Biología y Química Grupo de Investigación en Biotecnología]]></institution>
<addr-line><![CDATA[Montería ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Córdoba Grupo de Investigación Química de los Productos Naturales ]]></institution>
<addr-line><![CDATA[Montería ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2020</year>
</pub-date>
<volume>91</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-34532020000100325&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-34532020000100325&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-34532020000100325&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Se evaluaron algunos aspectos ecológicos y poblacionales del equinoideo irregular Encope michelini en el sector La Ahumadera, bahía de Cispatá; para ello se realizaron 7 salidas de campo de marzo a septiembre de 2017. En cada una se emplearon 5 transectos de 10 m de largo por 2 m de ancho. Se procedió a contabilizar el número de individuos totales para así estimar la densidad poblacional, además se registró la talla de cada organismo y algunas medidas morfométricas complementarias. Por otra parte, se estudió la relación ecológica de este equinoideo con el cangrejo Dissodactylus crinitichelis. Dentro de los principales resultados, se obtuvo que la densidad media de E. michelini fue 0.58 ± 0.14 ind m-2, además de presentar una distribución de tallas multimodal registrándose una media de 9.91 ± 0.25 cm. Se hallaron 64 individuos de D. crinitichelis en 14.5% de la población de E. michelini (405 individuos). E. michelini actúa como un sustrato conveniente para D. crinitichelis, encontrándose así mayor presencia en equinoideos con tallas entre 10 y 10.5 cm. Además, factores como la morfología de E. michelini, pueden influir en la abundancia de simbiontes por huésped y el porcentaje de hospederos ocupados.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Some ecological and population aspects of the irregular echinoid Encope michelini were evaluated in the La Ahumadera sector, Cispata Bay; for this purpose, 7 field trips were made from March to September 2017. Five transects of 10 m long by 2 m wide were used at each sampling. The number of total individuals was counted in order to estimate population density, and the size of each organism and some complementary morphometric measurements were also recorded. On the other hand, the ecological relationship of this echinoid with the pea crab Dissodactylus crinitichelis was studied. Among the main results, it was obtained that the average density of E. michelini was 0.58 ± 0.14 ind m-2, in addition to presenting a multimodal size distribution, registering an average of 9.91 ± 0.25 cm. Sixty-four individuals of D. crinitichelis were found in 14.5% of the E. michelini population (405 individuals). Furthermore, factors such as the morphology of E. michelini can influence the abundance of symbionts per host and the percentage of occupied hosts.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Crustacea]]></kwd>
<kwd lng="es"><![CDATA[Densidad]]></kwd>
<kwd lng="es"><![CDATA[Equinodermos]]></kwd>
<kwd lng="es"><![CDATA[Estructura de talla]]></kwd>
<kwd lng="es"><![CDATA[Simbiosis]]></kwd>
<kwd lng="en"><![CDATA[Crustacean]]></kwd>
<kwd lng="en"><![CDATA[Density]]></kwd>
<kwd lng="en"><![CDATA[Echinoderms]]></kwd>
<kwd lng="en"><![CDATA[Size structure]]></kwd>
<kwd lng="en"><![CDATA[Symbiosis]]></kwd>
</kwd-group>
</article-meta>
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