<?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>2007-3364</journal-id>
<journal-title><![CDATA[Therya]]></journal-title>
<abbrev-journal-title><![CDATA[Therya]]></abbrev-journal-title>
<issn>2007-3364</issn>
<publisher>
<publisher-name><![CDATA[Asociación Mexicana de Mastozoología A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-33642017000200171</article-id>
<article-id pub-id-type="doi">10.12933/therya-17-469</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[New record and site characterization of a hibernating colony of Myotis velifer in a mountain ecosystem of central Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ayala-Berdon]]></surname>
<given-names><![CDATA[Jorge]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Solís-Cárdenas]]></surname>
<given-names><![CDATA[Víctor]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Tlaxcala  ]]></institution>
<addr-line><![CDATA[Tlaxcala de Xicohténcalt Tlaxcala]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional Autónoma de México Facultad de Estudios Superiores Iztacala ]]></institution>
<addr-line><![CDATA[Tlalnepantla de Baz Estadod e México]]></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>8</volume>
<numero>2</numero>
<fpage>171</fpage>
<lpage>174</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-33642017000200171&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-33642017000200171&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-33642017000200171&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: Hibernation is a strategy allowing bats to save energy when food availability and ambient temperature are low. Four decades ago, an altitudinal migration of the bat Myotis velifer to a hibernating site was registered in Mexico. However, no records or characterization of the sites used by this species to hibernate in the country are virtually known. Our main objective was to describe and characterize a hibernating colony of Myotis velifer in a tunnel located at 3,600 meters above sea level in La Malinche National Park, a mountain ecosystem of central Mexico. From June 2015 to May 2016, we visited the tunnel each month. In each visit, we looked for bats and made a one-time measurement of ambient temperature and relative humidity. During the first visit to the tunnel, we randomly captured and measured (i. e., sex, length of the forearm, body mass, and reproductive condition) seven individuals for information purposes. These individuals were released at the end of procedures. In mid September 2015, we found 14 M. velifer hibernating in clusters of different sizes. By mid January, the colony reached 81 individuals. We not longer found bats when we visited the tunnel in middle March. Ambient mean temperature and humidity were 7.5 ± 1.5 ºC and 70 ± 8.3 % respectively. Our new record of the hibernating colony of M. velifer exemplifies the specificity of hibernacula used by this species in central Mexico. The six-month period of hibernation and environmental variables we recorded match with the interval that M. velifer has been reported hibernating at other latitudes. Currently, characterizing the environmental requirements of bats to hibernate is of relevance to promote specific conservation strategies for this group of vertebrates.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: La hibernación es una estrategia que le permite a los murciélagos ahorrar energía cuando la disponibilidad de alimento y la temperatura ambiental son bajas. En México, hace cuatro décadas se llevó a cabo un registró del murciélago Myotis velifer migrando altitudinalmente a un sitio de hibernación. Sin embargo, no se conocen en el país los registros y las características de los sitios utilizados por esta especie para hibernar. Nuestro objetivo principal fue describir y caracterizar una colonia de hibernación de Myotis velifer en un túnel situado a 3,600 metros sobre el nivel del mar en el Parque Nacional La Malinche, un ecosistema de montaña del centro de México. De junio de 2015 a mayo de 2016, se llevaron a cabo visitas al túnel cada mes. En cada visita, se buscaron murciélagos y se tomaron medidas únicas de temperatura ambiental y humedad relativa. Durante la primera visita al túnel, capturamos y medimos aleatoriamente (i.e., sexo, longitud del antebrazo, masa corporal y estado reproductivo), siete individuos con fines informativos. Estos individuos fueron liberados al término de los procedimientos. A mediados de septiembre de 2015, encontramos 14 M. velifer hibernando en grupos de diferentes tamaños. A mediados de enero, la colonia alcanzó 81 individuos. No se encontraron murciélagos cuando visitamos el túnel a mediados de marzo. La temperatura ambiental y la humedad relativa media fueron de 7.5 ± 1.5 ºC y 70 ± 8.3 % respectivamente. Nuestro nuevo registro de la colonia de M. velifer hibernando ejemplifica la especificidad de los refugios utilizados por esta especie en el centro de México. El período de seis meses de hibernación y las variables ambientales registradas coinciden con el intervalo en el que M. velifer ha sido reportado hibernando en otras latitudes. Actualmente, la caracterización de los requisitos ambientales de los murciélagos para hibernar es de relevancia para promover estrategias de conservación específicas para este grupo de vertebrados.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[central Mexico]]></kwd>
<kwd lng="en"><![CDATA[hibernation]]></kwd>
<kwd lng="en"><![CDATA[insectivorous bats]]></kwd>
<kwd lng="en"><![CDATA[mountain ecosystem]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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