<?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>S1870-34532017000300701</article-id>
<article-id pub-id-type="doi">10.1016/j.rmb.2017.07.001</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Dieta de la nutria neotropical (Lontra longicaudis annectens) en Pueblo Nuevo, Durango, México]]></article-title>
<article-title xml:lang="en"><![CDATA[Diet of the neotropical otter (Lontra longicaudis annectens) in Pueblo Nuevo, Durango, Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cruz-García]]></surname>
<given-names><![CDATA[Francisco]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Contreras-Balderas]]></surname>
<given-names><![CDATA[Armando Jesús]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García Salas]]></surname>
<given-names><![CDATA[Juan Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gallo-Reynoso]]></surname>
<given-names><![CDATA[Juan Pablo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Nuevo León Facultad de Ciencias Biológicas ]]></institution>
<addr-line><![CDATA[San Nicolás de Los Garza Nuevo León]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Centro de Investigación en Alimentación y Desarrollo A.C. Unidad Guaymas ]]></institution>
<addr-line><![CDATA[Guaymas Sonora]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2017</year>
</pub-date>
<volume>88</volume>
<numero>3</numero>
<fpage>701</fpage>
<lpage>709</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-34532017000300701&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-34532017000300701&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-34532017000300701&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: El objetivo del presente trabajo fue determinar la dieta de la nutria neotropical en la parte alta del río San Diego. Esta especie es un depredador considerado como indicador de la calidad de los ecosistemas acuáticos, además de estar catalogada como amenazada en México, por lo que es indispensable realizar estudios para conocer su biología y ecología. El monitoreo se realizó durante 2 años (2012-2013), se muestrearon 8 km sobre el río, los cuales se dividieron en 3 segmentos de igual tamaño, se recolectaron 266 heces y se identificaron los distintos ítems alimenticios encontrados en las mismas. La dieta se separó en 7 categorías, siendo los invertebrados y los peces los de mayor porcentaje de aparición (39.45 y 34.86%, respectivamente) y en menor presencia plantas, anfibios, mamíferos, reptiles y un 4.95% corresponde a elementos no identificados. Se encontraron elementos de todas las categorías en el periodo de primavera. Gila conspersa, Corydalus texanus y Abedus sp. se observaron con mayor frecuencia en la dieta. No existieron diferencias significativas en la dieta entre estaciones del año ni entre los segmentos del río muestreados, solo entre temporada de secas y lluvias para el año 2012.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: The aim of this study was to determine the diet of the neotropical otter in the upper San Diego River. Neotropical otters are predator considered as an indicator of the quality of the aquatic ecosystems, the species is listed as threatened in Mexico; therefore it is essential to conduct studies to understand their biology and ecology. The monitoring was carried out for 2 consecutive years (2012-2013), a longitudinal section of the river of 8 km was surveyed, it was divided into 3 equal sections. A total of 266 scats were collected, food items found in them were identified. Diet was conformed by 7 categories of prey, invertebrates and fish representing the highest percentage (39.45% and 34.86%, respectively), with a smaller presence plants, amphibians, mammals, birds, reptiles and 4.95% of unidentified items. Items in all categories were found in spring. Gila conspersa, Corydalus texanus and Abedus sp., were the most often species found in the diet. There were no significant differences in diet between seasons, or segments of the river (only between dry and rainy season for the year 2012).]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Índice de diversidad]]></kwd>
<kwd lng="es"><![CDATA[Frecuencia relativa]]></kwd>
<kwd lng="es"><![CDATA[Proporción de aparición]]></kwd>
<kwd lng="es"><![CDATA[Rarefacción]]></kwd>
<kwd lng="en"><![CDATA[Diversity index]]></kwd>
<kwd lng="en"><![CDATA[Relative frequency]]></kwd>
<kwd lng="en"><![CDATA[Proportion of appearance]]></kwd>
<kwd lng="en"><![CDATA[Rarefaction]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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