<?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>S1870-34532015000300789</article-id>
<article-id pub-id-type="doi">10.1016/j.rmb.2015.06.005</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Estatus del chorlo nevado ( Charadrius nivosus ) en San Quintín y su disminución poblacional en la península de Baja California]]></article-title>
<article-title xml:lang="en"><![CDATA[Status of the Snowy Plover ( Charadrius nivosus ) in San Quintín and its population decline in the Baja California peninsula]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Galindo-Espinosa]]></surname>
<given-names><![CDATA[Daniel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Palacios]]></surname>
<given-names><![CDATA[Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Instituto Politécnico Nacional Centro Interdisciplinario de Ciencias Marinas ]]></institution>
<addr-line><![CDATA[La Paz Baja California Sur]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="A02">
<institution><![CDATA[,Centro de Investigación Científica y de Educación Superior de Ensenada  ]]></institution>
<addr-line><![CDATA[La Paz Baja California Sur]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2015</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2015</year>
</pub-date>
<volume>86</volume>
<numero>3</numero>
<fpage>789</fpage>
<lpage>798</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-34532015000300789&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-34532015000300789&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-34532015000300789&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[El chorlo nevado (Charadrius nivosus ) es un ave playera amenazada en México y en EUA. La población reproductora de la costa del Pacífico es un segmento poblacional distinto (SPD) que se distribuye desde Washington, EUA, hasta Baja California Sur, México. San Quintín alberga el 50% de la población del SPD de la península de Baja California, por lo cual es prioritario para la especie. Se usaron conteos históricos (1991) y actuales (2007-2014), además de información sobre aves marcadas y recapturadas, para evaluar cambios poblacionales del SPD que anida en la península de Baja California. Se estimó que entre 1991 y 2008 la población peninsular disminuyó un 33%. Sin embargo, la población de San Quintín no siguió esta tendencia y se consideró estable. En invierno, la población residente de chorlos de San Quintín se duplicó por la inmigración de individuos del norte. La abundancia relativa de chorlos en la temporada reproductora, aunque variable, fue mayor en salitrales que en playas arenosas y salinas. En los 2 últimos inviernos la distribución de los chorlos ha cambiado entre playas arenosas y salitrales. La conservación del SPD mexicano depende en un 50% de la protección del hábitat y la conservación de San Quintín.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[The snowy plover (Charadrius nivosus ) is a shorebird that is threatened in Mexico and US. The breeding population of the Pacific coast is a distinct population segment (DPS) whose distribution goes from Washington, USA, to Baja California Sur, Mexico. San Quintin hosts 50% of the DPS of the Baja California peninsula and, therefore, is a priority site for the species. Historical (1991) and current surveys (2007-2014), plus information on marked and recaptured birds, were used to assess population changes in the DPS nesting in the Baja California peninsula. It was estimated that between 1991 and 2008 the peninsular population declined by 33%. However the population of San Quintin did not follow this trend and it was considered stable. In Winter the resident population of plovers of San Quintin doubled by the immigration of individuals from the north. Density of plovers in the breeding season, although variable, was higher in salt works and sandy beaches. In the last 2 winters there was a shift in the plover distribution between sandy beaches and salt flats. Conservation of the Mexican DPS depends 50% on habitat protection and conservation in San Quintin.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Especie amenazada]]></kwd>
<kwd lng="es"><![CDATA[Abundancia]]></kwd>
<kwd lng="es"><![CDATA[Reproducción]]></kwd>
<kwd lng="es"><![CDATA[Invernada]]></kwd>
<kwd lng="es"><![CDATA[Migración]]></kwd>
<kwd lng="es"><![CDATA[Aves playeras]]></kwd>
<kwd lng="en"><![CDATA[Threatened species]]></kwd>
<kwd lng="en"><![CDATA[Abundance]]></kwd>
<kwd lng="en"><![CDATA[Breeding]]></kwd>
<kwd lng="en"><![CDATA[Wintering]]></kwd>
<kwd lng="en"><![CDATA[Migration]]></kwd>
<kwd lng="en"><![CDATA[Shorebirds]]></kwd>
</kwd-group>
</article-meta>
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