<?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>0185-3880</journal-id>
<journal-title><![CDATA[Ciencias marinas]]></journal-title>
<abbrev-journal-title><![CDATA[Cienc. mar]]></abbrev-journal-title>
<issn>0185-3880</issn>
<publisher>
<publisher-name><![CDATA[Universidad Autónoma de Baja California, Instituto de Investigaciones Oceanológicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0185-38802019000400163</article-id>
<article-id pub-id-type="doi">10.7773/cm.v45i4.3019</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Fine-scale site fidelity in California sea lions, Zalophus californianus, in the colony at Los Islotes, La Paz Bay, Mexico]]></article-title>
<article-title xml:lang="es"><![CDATA[Fidelidad al sitio a escala fina en el lobo marino de California, Zalophus californianus, en la colonia Los Islotes, bahía de La Paz, México]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rayas-Estrada]]></surname>
<given-names><![CDATA[Andrea]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Camacho]]></surname>
<given-names><![CDATA[Claudia Janetl]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Baja California Sur Departamento de Ciencias Marinas y Costeras ]]></institution>
<addr-line><![CDATA[La Paz Baja California Sur]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<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>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2019</year>
</pub-date>
<volume>45</volume>
<numero>4</numero>
<fpage>163</fpage>
<lpage>174</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0185-38802019000400163&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0185-38802019000400163&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0185-38802019000400163&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Fine-scale site fidelity in polygynous pinnipeds influences individual interactions, social stability, and gene flow; over time, demographic processes may be altered, and local extinction of some colonies may occur. The goal of this study was to evaluate fine-scale site fidelity as it relates to reproductive success of California sea lion, Zalophus californianus, adult females at 3 different reproductive sites in the Los Islotes rookery in La Paz Bay, Baja California Sur, Mexico. Reproductive history data for 5 cohorts of California sea lions marked as pups between 1980 and 1984 were used to estimate the individual fine-scale site fidelity index and the return rate. A Pearson correlation was used to evaluate whether there was a relationship between site fidelity and reproductive success (number of pups that a female had during the study period) during the 9-yr study period, and a chi-square test was used to compare reproductive success between sites. Adult female California sea lions showed high site fidelity to the colony, with the majority showing site fidelity values &gt;40%; sites A and B had high return rates, whereas site C was the least preferred. There was no significant difference in the relationship between the fine-scale site fidelity index and reproductive success, or in reproductive success between sites. The high degree of fine-scale site fidelity apparently has not had negative effects on this colony, as evidenced by the significant increase in population size over the last 3 decades and the relatively high reproductive rates.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Dentro de los pinnípedos poligínicos, la fidelidad al sitio a escala fina influye en las interacciones individuales, la estabilidad social y el flujo genético; con el tiempo, puede afectar procesos demográficos e, incluso, llevar a la extinción local de algunas colonias. El objetivo de este trabajo fue estimar el grado de fidelidad al sitio a escala fina para hembras adultas de lobo marino de California, Zalophus californianus, en 3 áreas de reproducción y su relación con su éxito reproductivo en la colonia reproductiva Los Islotes, bahía de La Paz, Baja California Sur, México. Se estimó el índice de fidelidad al sitio a escala fina individual y la tasa de retorno a partir de la historia reproductiva de 5 cohortes de hembras marcadas desde crías entre 1980 y 1984. Se utilizó una correlación de Pearson para ver si existía una relación entre la fidelidad al sitio y el éxito reproductivo (número de crías que tuvo una hembra durante el periodo de estudio) de cada individuo durante el periodo de estudio de 9 años, y se comparó el éxito reproductivo entre sitios mediante una prueba de chi cuadrado. Las hembras adultas de lobo marino de California mostraron alta fidelidad a la colonia, la mayoría con valores de fidelidad al sitio por encima del 40%; el sitio A y el sitio B mostraron la mayor tasa de retorno, mientras que el sitio C fue el de menor preferencia. No hubo diferencia significativa en la relación entre la fidelidad al sitio a escala fina y el éxito reproductivo, ni tampoco en el éxito reproductivo entre sitios. La elevada fidelidad al sitio a escala fina aparentemente no ha tenido efectos negativos en esta colonia, como lo indica el aumento significativo de la población en las últimas 3 décadas y sus tasas reproductivas relativamente altas.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[philopatry]]></kwd>
<kwd lng="en"><![CDATA[reproductive success]]></kwd>
<kwd lng="en"><![CDATA[inbreeding]]></kwd>
<kwd lng="en"><![CDATA[Gulf of California]]></kwd>
<kwd lng="es"><![CDATA[filopatría]]></kwd>
<kwd lng="es"><![CDATA[éxito reproductivo]]></kwd>
<kwd lng="es"><![CDATA[endogamia]]></kwd>
<kwd lng="es"><![CDATA[golfo de California]]></kwd>
</kwd-group>
</article-meta>
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