<?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>0122-9761</journal-id>
<journal-title><![CDATA[Boletín de Investigaciones Marinas y Costeras - INVEMAR]]></journal-title>
<abbrev-journal-title><![CDATA[Bol. Invest. Mar. Cost.]]></abbrev-journal-title>
<issn>0122-9761</issn>
<publisher>
<publisher-name><![CDATA[INSTITUTO DE INVESTIGACIONES MARINAS Y COSTERAS "JOSE BENITO VIVES DE ANDRÉIS" (INVEMAR)    INSTITUTO DE INVESTIGACIONES MARINAS Y COSTERAS -JOSE BENITO VIVES DE ANDRÉIS- (INVEMAR)]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0122-97612021000300129</article-id>
<article-id pub-id-type="doi">10.25268/bimc.invemar.2021.50.suplesp.972</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Epipelagic euphausiids assemblage in the Gerlache Strait (Antarctic Peninsula) during January 2015]]></article-title>
<article-title xml:lang="es"><![CDATA[Ensamblaje de eufáusidos epipelágicos en el estrecho de Gerlache (península Antártica) durante enero 2015]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rivera-Gómez]]></surname>
<given-names><![CDATA[Marisol]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Giraldo]]></surname>
<given-names><![CDATA[Alan]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mojica-Moncada]]></surname>
<given-names><![CDATA[Diego F.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad del Valle Departamento de Biología Grupo de Investigación en Ciencias Oceanográficas]]></institution>
<addr-line><![CDATA[Cali ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad del Valle Departamento de Biología Grupo de Investigación en Ciencias Oceanográficas]]></institution>
<addr-line><![CDATA[Cali ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Centro de Investigaciones Oceanográficas e Hidrográficas Dirección General Marítima ]]></institution>
<addr-line><![CDATA[Cartagena de Indias ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<volume>50</volume>
<fpage>129</fpage>
<lpage>148</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0122-97612021000300129&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0122-97612021000300129&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0122-97612021000300129&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT The spatial distribution of the epipelagic Euphausiids was investigated during the first Colombian Scientific Expedition to Antarctica -Expedición Caldas- in the Gerlache Strait during the austral summer of 2015. Surface zooplankton was collected at 20 oceanographic stations with a simple conical net of 0.6 m in diameter mouth and 200 µm of mesh net. Four euphausiid species were collected in 70 % of the sampling stations: Euphausia crystallorophias Holt and Tattersall 1906, Euphausia superba Dana 1850, Thysanoessa sp. and Thysanoessa macrura Sars 1883. Euphausia crystallorophias was the most abundant species with maximum density of 818 ind 1000 m-3 associated with the entrance of the Wilhelmina Bay, in the central area of the Gerlache Strait. The northern and southern sectors of the strait had significant differences in surface temperature and salinity associated with significant differences in the composition of the euphausiid species assemblages between both sectors. Although E. crystallorophias was the numerically dominant euphausiid species in the Gerlache Strait, E. superba was mostly distributed in the northern sector while Thysanoessa sp. was only distributed in the southern sector.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN La distribución espacial de los eufáusidos en la zona epipelágica del estrecho Gerlache, Antártica capturados durante el verano austral de 2015, fue investigada durante la &#8220;Expedición Caldas&#8221;, primera expedición científica de Colombia a la Antártica. En 20 estaciones de muestreo oceanográfico se realizaron arrastres superficiales para recolectar zooplancton utilizando una red cónica simple de 0,6 m de diámetro y 200 µm de luz de malla. Cuatro especies de eufáusidos fueron recolectados en 70 % de las estaciones: Euphausia crystallorophias Holt y Tattersall 1906, Euphausia superba Dana 1850, Thysanoessa sp. y Thysanoessa macrura Sars 1883. La especie más abundante fue E. crystallorophias con abundancia máxima de 818 ind 1000 m-3 asociada a la entrada de la bahía Wilhelmina, en la zona central del estrecho Gerlache. Los sectores norte y sur del estrecho mostraron diferencias significativas en la temperatura y salinidad superficial y variaciones en la composición de los conjuntos de eufáusidos entre estos dos sectores. Aunque, E. crystallorophias fue la especie numéricamente dominante en todo el estrecho Gerlache, E. superba se distribuyó principalmente en el sector norte mientras que Thysanoessa sp. sólo en el sur.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Euphausiacea]]></kwd>
<kwd lng="en"><![CDATA[Temperature]]></kwd>
<kwd lng="en"><![CDATA[Salinity]]></kwd>
<kwd lng="en"><![CDATA[Antarctic Ocean]]></kwd>
<kwd lng="en"><![CDATA[Austral summer.]]></kwd>
<kwd lng="es"><![CDATA[Euphausiacea]]></kwd>
<kwd lng="es"><![CDATA[Kril antártico]]></kwd>
<kwd lng="es"><![CDATA[Temperatura]]></kwd>
<kwd lng="es"><![CDATA[Salinidad]]></kwd>
<kwd lng="es"><![CDATA[Verano austral.]]></kwd>
</kwd-group>
</article-meta>
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