<?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>S0185-38802020000300185</article-id>
<article-id pub-id-type="doi">10.7773/cm.v46i3.3145</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Shell dimension-weight relationships in the blood cockle Larkinia grandis (Bivalvia: Arcidae) on the southeastern coast of the Gulf of California]]></article-title>
<article-title xml:lang="es"><![CDATA[Relaciones entre la dimensión y el peso de la concha en el berberecho Larkinia grandis (Bivalvia: Arcidae) en la costa sureste del golfo de California]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sotelo-Gonzalez]]></surname>
<given-names><![CDATA[Maria Isabel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sepúlveda]]></surname>
<given-names><![CDATA[Carlos Humberto]]></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[Salcido-Guevara]]></surname>
<given-names><![CDATA[Luis Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García-Ulloa]]></surname>
<given-names><![CDATA[Manuel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Góngora-Gómez]]></surname>
<given-names><![CDATA[Andrés Martín]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Sepúlveda]]></surname>
<given-names><![CDATA[Juan Antonio]]></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[,Universidad Autónoma de Sinaloa Facultad de Ciencias del Mar ]]></institution>
<addr-line><![CDATA[Mazatlán Sinaloa]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Politécnico Nacional Centro Interdisciplinario de Investigación para el Desarrollo Integral Regional ]]></institution>
<addr-line><![CDATA[Guasave Sinaloa]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2020</year>
</pub-date>
<volume>46</volume>
<numero>3</numero>
<fpage>185</fpage>
<lpage>192</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0185-38802020000300185&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0185-38802020000300185&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0185-38802020000300185&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT. The blood cockle Larkinia grandis is a commercially important resource in the Gulf of California, but little information is available on this species. In this study, the interactions between body weight (BW) and shell length (SL), height (SH), and width (SW) were evaluated in a L. grandis population in the Gulf of California, Mexico. Eighty cockles were hand-picked monthly from August 2017 to July 2018 near and/or under mangrove trees on the southeastern coast of the Gulf of California. The range of shell measurements (SL = 142.00-44.57 mm, SH = 85.50-31.15 mm, SW = 76.56-32.03 mm) indicates that the sampled population was dominated by adult specimens. Only the coefficient of variation for BW exhibited high dispersion (23%-45%). The potential relationships between BW and SL, SH, and SW were non-linear. The strongest interaction was found between BW and SW (R2 = 0.934), with the BW-SW relationship best describing the growth of this ark clam. All shell dimension-weight relationships were significant (P &#8804; 0.05), indicating both negative (SL-SW and SH-SW) and positive (SL-SH, BW-SL, BW-SH, and BW-SW) allometric growth. The b values ranged from 0.8950, for the LogSH-LogSW relationship, to 2.6240, for the LogBW-LogSH interaction. This preliminary information is useful for developing conservation and sustainable exploitation strategies for this species, which is of economic importance to this region.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN. El berberecho Larkinia grandis es un recurso comercialmente importante en el golfo de California, pero hay poca información disponible acerca de esta especie. En este estudio, se evaluaron las interacciones entre el peso corporal (BW) y la longitud (SL), la altura (SH) y el ancho (SW) de la concha en una población de L. grandis en el golfo de California, México. Se recolectaron a mano 80 berberechos mensualmente, desde agosto de 2017 hasta julio de 2018, de cerca y/o debajo de los árboles de mangle, en la costa sureste del golfo de California. El intervalo de medidas de las conchas (SL = 142.00-44.57 mm, SH = 85.50-31.15 mm, SW = 76.56-32.03 mm) indica que la población muestreada estaba dominada por especímenes adultos. Solo el coeficiente de variación para BW exhibió alta dispersión (23%-45%). Las relaciones potenciales de BW con SL, SH y SW no fueron lineales. La interacción más fuerte se encontró entre BW y SW (R2 = 0.934); la relación BW- SW describió mejor el crecimiento de este árcido. Todas las relaciones entre la dimensión y el peso de la concha fueron significativas (P &#8804; 0.05), lo cual indica tanto crecimiento alométrico negativo (SL-SW y SH-SW) como positivo (SL-SH, BW-SL, BW-SH y BW-SW). Los valores de b oscilaron entre 0.8950, para la relación LogSH-LogSW, y 2.6240, para la interacción LogBW-LogSH. Esta información preliminar es útil para desarrollar estrategias de conservación y explotación sostenible para esta especie de importancia económica en la región estudiada.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[morphometry]]></kwd>
<kwd lng="en"><![CDATA[mangrove cockle]]></kwd>
<kwd lng="en"><![CDATA[allometric growth]]></kwd>
<kwd lng="en"><![CDATA[coefficient of variation]]></kwd>
<kwd lng="en"><![CDATA[Gulf of California]]></kwd>
<kwd lng="es"><![CDATA[morfometría]]></kwd>
<kwd lng="es"><![CDATA[berberecho de manglar]]></kwd>
<kwd lng="es"><![CDATA[crecimiento alométrico]]></kwd>
<kwd lng="es"><![CDATA[coeficiente de variación]]></kwd>
<kwd lng="es"><![CDATA[golfo de California]]></kwd>
</kwd-group>
</article-meta>
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