<?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>0034-7744</journal-id>
<journal-title><![CDATA[Revista de Biología Tropical]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. biol. trop]]></abbrev-journal-title>
<issn>0034-7744</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Costa Rica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0034-77442015000600183</article-id>
<article-id pub-id-type="doi">10.15517/rbt.v63i2.23153</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Riqueza y distribución de equinodermos en los arrecifes del norte y sur de Veracruz, México]]></article-title>
<article-title xml:lang="en"><![CDATA[Richness and distribution of echinoderms from northern and southern reef systems in Veracruz, Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Gándara]]></surname>
<given-names><![CDATA[Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Solís-Marín]]></surname>
<given-names><![CDATA[Francisco Alonso]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[de la Cruz-Francisco]]></surname>
<given-names><![CDATA[Vicencio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Granados-Barba]]></surname>
<given-names><![CDATA[Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Salas-Pérez]]></surname>
<given-names><![CDATA[José de Jesús]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Argüelles-Jiménez]]></surname>
<given-names><![CDATA[Jimmy]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Escárcega-Quiroga]]></surname>
<given-names><![CDATA[Pastor Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Veracruzana Laboratorio de Arrecifes Coralinos Facultad de Ciencias Biológicas y Agropecuarias Campus Tuxpan]]></institution>
<addr-line><![CDATA[Tuxpan Veracruz]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional Autónoma de México Laboratorio de Sistemática y Ecología de Equinodermos Instituto de Ciencias del Mar y Limnología (ICML)]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Veracruzana Instituto de Ciencias Marinas y Pesquerías ]]></institution>
<addr-line><![CDATA[Veracruz Veracruz]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2015</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2015</year>
</pub-date>
<volume>63</volume>
<fpage>183</fpage>
<lpage>193</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S0034-77442015000600183&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S0034-77442015000600183&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S0034-77442015000600183&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Para obtener datos sobre la composición y distribución de los equinodermos presentes en los sistemas arrecifales del norte (Blanquilla, Medio, Lobos y Blake) y sur de Veracruz (La Perla, Zapotitlán, Palo Seco y Tripie) México, se efectuaron 539 muestreos y 770 colectas distribuidos en los diferentes hábitats de cada sistema de marzo a diciembre de 2013 mediante buceo libre y SCUBA. Para valorar las diferencias a cada escala espacial (tipo de arrecife, arrecife y hábitat) se efectuaron análisis de similitud con los índices de Jaccard y EMNM. Se registraron un total de 45 especies pertenecientes a 34 géneros y 26 familias, incluyendo cinco nuevos registros para el estado de Veracruz. El mayor número de especies corresponde a las clases: Ophiuroidea (15 especies) y Echinoidea (13 especies). Los sistemas del norte mostraron una mayor riqueza (40 especies) comparados con los del sur (27 especies). Por localidad, el arrecife Lobos (31 especies) presentó la mayor riqueza y la formación Tripie (7 especies) la menor. El EMNM dividió a los tres tipos de arrecifes, a escala de arrecifes, los marginales se alejan de los arrecifes plataforma y sumergidos. A nivel de hábitats, las zonas someras se separan de las profundas, las praderas de Thalassia y la planicie arrecifal de las pendientes y no se observaron diferencias entre hábitats en los sistema marginales, excepto en el barco hundido. La fauna de equinodermos asociados a los arrecifes de Veracruz está compuesta por 54 especies. El tipo de arrecife así como los atributos del sustrato y la profundidad son muy importantes para definir la riqueza y distribución espacial de los equinodermos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Echinoderms are a key element in the structure and function of their ecosystems. To study composition and distribution of echinoderms from northern (Blanquilla, Medio, Lobos and Blake) and southern (La Perla, Zapotitlan, Palo Seco and Tripie) reefs of Veracruz, Mexico, 539 visual censuses and 770 collects distributed in different habitats of each reef were done from March to December 2013 using free and SCUBA diving. To evaluate spatial differences at different scales (type reef, reef and habitat), a similarity analysis was done using Jaccard index and NMDS. 45 species of 34 genera and 26 families were recorded, including five new records for Veracruz. Ophiuroidea (15 species) and Echinoidea (13 species) showed more species. Northern reefs presented more species (40 species) than southern reefs (27 species). By locality, Lobos reef presented the greatest richness (31 species) and Tripie (7 species) the poorest. NMDS at type reef separated the three type reefs, at reef scale fringing reefs were divided from platform and submerged reefs. At habitat scale, shallow zones were separated from deep areas, Thalassia beds and reef flat from slopes and there were not differences between habitats in fringing reefs except in the sunken ship. The fauna of echinoderms associated to reefs of State of Veracruz is composed by 54 species. The type of reef and the characteristics of substrate and depth are very important to define the richness and spatial distribution of echinoderms. Rev. Biol. Trop. 63 (Suppl. 2): 183-193. Epub 2015 June 01.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Equinodermos]]></kwd>
<kwd lng="es"><![CDATA[Arrecifes]]></kwd>
<kwd lng="es"><![CDATA[Golfo de México]]></kwd>
<kwd lng="es"><![CDATA[Océano Atlántico]]></kwd>
<kwd lng="en"><![CDATA[Echinoderms]]></kwd>
<kwd lng="en"><![CDATA[Reefs]]></kwd>
<kwd lng="en"><![CDATA[Gulf of Mexico]]></kwd>
<kwd lng="en"><![CDATA[Atlantic Ocean]]></kwd>
</kwd-group>
</article-meta>
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