<?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>S0185-38802022000100110</article-id>
<article-id pub-id-type="doi">10.7773/cm.y2022.3256</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Distribution and abundance of the Pacific hake, Merluccius productus, and relationship with the environment in the Gulf of California, Mexico]]></article-title>
<article-title xml:lang="es"><![CDATA[Distribución y abundancia de la merluza del Pacífico, Merluccius productus, y su relación con el ambiente en el golfo de California, México]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alvarez-Trasviña]]></surname>
<given-names><![CDATA[Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arizmendi-Rodríguez]]></surname>
<given-names><![CDATA[Dana I.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Marín-Enríquez]]></surname>
<given-names><![CDATA[Emigdio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Salcido-Guevara]]></surname>
<given-names><![CDATA[Luis A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez-Cárdenas]]></surname>
<given-names><![CDATA[Rebeca]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez-Domínguez]]></surname>
<given-names><![CDATA[Guillermo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Sinaloa Facultad de Ciencias del Mar ]]></institution>
<addr-line><![CDATA[Mazatlán Sinaloa]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Nacional de Pesca y Acuacultura  ]]></institution>
<addr-line><![CDATA[Guaymas Sonora]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Autónoma de Sinaloa Facultad de Ciencias del Mar ]]></institution>
<addr-line><![CDATA[Mazatlán Sinaloa]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2022</year>
</pub-date>
<volume>48</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0185-38802022000100110&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0185-38802022000100110&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0185-38802022000100110&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract. Climate and oceanic conditions determine the Pacific hake (Merluccius productus) distribution pattern. The present work aimed to identify the spatiotemporal relationship between the distribution and abundance of Pacific hake and the environment in the Gulf of California. Information obtained from 6 research cruises carried out between 2014 and 2019 was analyzed. The results showed that the Gulf of California hake reaches a total length of 105 cm, exhibiting sexual dimorphism at total lengths &gt;73 cm. The highest resource biomass (68,260.37 t) was found in February 2019 at depths between 200 and 300 m and the lowest was found in October 2016 (6,917.80 t) at depths between 100 and 150 m. These centers of abundance were located at bottom temperatures between 13 and 14 °C, north of Ángel de la Guarda Island and between the great islands (Tiburón Island and Ángel de la Guarda Island). After adjusting generalized additive models between seasonal hake catches and different environmental, spatial, and temporal variables, bottom temperature was found to be the variable that best described these centers of abundance.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen. Las condiciones climáticas y oceánicas determinan el patrón de distribución de la merluza del Pacífico (Merluccius productus). El presente trabajo tuvo como objetivo conocer la relación espaciotemporal entre la distribución y la abundancia de la merluza del Pacífico y el ambiente en el golfo de California. Se analizó la información obtenida de 6 cruceros de investigación realizados entre 2014 y 2019. Los resultados mostraron que la merluza del golfo de California alcanza tallas de 105 cm de longitud total y presenta dimorfismo sexual a tallas &gt;73 cm de longitud total. La mayor biomasa del recurso (68,260.37 t) se encontró en febrero de 2019 entre los 200 y 300 m de profundidad, y la menor, en octubre de 2016 (6,917.80 t) a profundidades de 100-150 m. Los centros de abundancia se localizaron a temperaturas de fondo de entre 13 y 14 °C, al norte de la isla Ángel de la Guarda y entre las grandes islas (isla Tiburón e isla Ángel de la Guarda). Al ajustar modelos aditivos generalizados entre las capturas de merluza de cada estación y distintas variables ambientales, espaciales y temporales, se encontró que la temperatura de fondo fue la variable que mejor describió estos centros de abundancia.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Gulf of California]]></kwd>
<kwd lng="en"><![CDATA[bottom temperature]]></kwd>
<kwd lng="en"><![CDATA[depth]]></kwd>
<kwd lng="en"><![CDATA[research cruises]]></kwd>
<kwd lng="en"><![CDATA[generalized additive models]]></kwd>
<kwd lng="es"><![CDATA[golfo de California]]></kwd>
<kwd lng="es"><![CDATA[temperatura de fondo]]></kwd>
<kwd lng="es"><![CDATA[profundidad]]></kwd>
<kwd lng="es"><![CDATA[cruceros de investigación]]></kwd>
<kwd lng="es"><![CDATA[modelos aditivos generalizados]]></kwd>
</kwd-group>
</article-meta>
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