<?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>S1870-34532017000200365</article-id>
<article-id pub-id-type="doi">10.1016/j.rmb.2017.03.023</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Helminth diversity of two anurans: Rhinella marina and Incilius valliceps (Anura: Bufonidae) from lagunas de Yalahau, Yucatán, Mexico]]></article-title>
<article-title xml:lang="es"><![CDATA[Diversidad de helmintos de dos anuros: Rhinella marina e Incilius valliceps (Anura: Bufonidae) de las lagunas de Yalahau, Yucatán, México]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Espínola-Novelo]]></surname>
<given-names><![CDATA[Juan F.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guillén-Hernández]]></surname>
<given-names><![CDATA[Sergio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Salas]]></surname>
<given-names><![CDATA[Carlos F.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Canto]]></surname>
<given-names><![CDATA[Azucena]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Antofagasta Facultad de Ciencias del Mar y Recursos Biológicos ]]></institution>
<addr-line><![CDATA[Antofagasta ]]></addr-line>
<country>Chile</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma de Yucatán Facultad de Medicina Veterinaria y Zootecnia Departamento de Biología Marina]]></institution>
<addr-line><![CDATA[Mérida Yucatán]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Centro de Investigación Científica de Yucatán, A.C.  ]]></institution>
<addr-line><![CDATA[Mérida Yucatán]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2017</year>
</pub-date>
<volume>88</volume>
<numero>2</numero>
<fpage>365</fpage>
<lpage>371</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-34532017000200365&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-34532017000200365&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-34532017000200365&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: Helminth communities in amphibians in Mexico have received little attention. During 2005 and 2006, we collected a total of 52 individuals of the marine toad (Rhinella marina) and 54 of the southern Gulf Coast toad (Incilius valliceps) in the Lagunas de Yalahau (Yucatán, Mexico), in order to study their helminth communities. We produced rarefaction and extrapolation sample-size-based and coverage-based curves to provide asymptotic diversity estimators based on Hill numbers to compare the communities. We calculated the first 3 Hill numbers, which are associated with estimators of species richness and species dominance. In general, all results showed that the sample size was large enough to register most of the species of parasites present in both host toad species. We found more helminth species and a higher diversity in the R. marina community than that in I. valliceps. However, extrapolation analysis showed that when a sample size of 50 individuals is reached, there are no statistical differences between the helminth communities. Our results suggest that amphibian communities in this part of the tropics follow the same pattern as described for Nearctic latitudes, equally the terrestrial habitat of the hosts is an important factor in the structure of its helminth communities.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: En México, las comunidades de helmintos en anfibios han recibido poca atención. Durante 2005 y 2006, un total de 52 individuos del sapo marino (Rhinella marina) y 54 del sapo de la costa del golfo (Incilius valliceps) fueron recolectados en las lagunas de Yalahau (Yucatán, México) para estudiar dichas comunidades. Para comparar entre sus comunidades, se produjeron curvas de rarefacción y extrapolación basadas en el tamaño de la muestra y se estimó la diversidad usando los números de Hill. Se calcularon los 3 primeros números que se asocian a los estimadores de riqueza y dominancia de especies y se construyeron las curvas de rarefacción y extrapolación respectivas. Los resultados mostraron que con el tamaño de la muestra obtenido se registró la mayor parte de las especies de parásitos en ambos hospederos. Una mayor diversidad de helmintos y número de especies se registraron en R. marina frente a I. valliceps. Sin embargo, la extrapolación mostró que al alcanzar los 50 individuos no hay diferencias estadísticas entre ambas comunidades. Las comunidades de estos anfibios en esta región del trópico se ajustan al patrón descrito en latitudes neárticas. Igualmente, el hábitat que ocupan es un factor importante en la estructuración de sus comunidades helmínticas.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Parasite]]></kwd>
<kwd lng="en"><![CDATA[Toads]]></kwd>
<kwd lng="en"><![CDATA[Communities]]></kwd>
<kwd lng="en"><![CDATA[Richness]]></kwd>
<kwd lng="es"><![CDATA[Parásitos]]></kwd>
<kwd lng="es"><![CDATA[Sapos]]></kwd>
<kwd lng="es"><![CDATA[Comunidades]]></kwd>
<kwd lng="es"><![CDATA[Riqueza]]></kwd>
</kwd-group>
</article-meta>
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