<?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>0124-5376</journal-id>
<journal-title><![CDATA[Biota colombiana]]></journal-title>
<abbrev-journal-title><![CDATA[Biota colombiana]]></abbrev-journal-title>
<issn>0124-5376</issn>
<publisher>
<publisher-name><![CDATA[Instituto Alexander von Humboldt]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0124-53762023000200102</article-id>
<article-id pub-id-type="doi">10.21068/2539200x.1108</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Fitoperifiton asociado al río Acacias-Pajure en la Orinoquia colombiana]]></article-title>
<article-title xml:lang="en"><![CDATA[Phytoperiphyton associated to Acacias-Pajure River in the Colombian Orinoquia]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rincón-Blanquicet]]></surname>
<given-names><![CDATA[Yirley Angélica]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Barreto-Montenegro]]></surname>
<given-names><![CDATA[Julián Camilo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zapata-Muñoz]]></surname>
<given-names><![CDATA[Yair Leandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Herrera]]></surname>
<given-names><![CDATA[Sandra Milena]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rojas-Peña]]></surname>
<given-names><![CDATA[José Ismael]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Trujillo-González]]></surname>
<given-names><![CDATA[Juan Manuel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Torres-Mora]]></surname>
<given-names><![CDATA[Marco Aurelio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villareal-Díaz]]></surname>
<given-names><![CDATA[Luis Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castillo]]></surname>
<given-names><![CDATA[Edgar Fernando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Serrano-Gómez]]></surname>
<given-names><![CDATA[Marlon]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de los Llanos Instituto de Ciencias Ambientales de la Orinoquia Colombiana (ICAOC) Campus Barcelona]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de los Llanos Instituto de Ciencias Ambientales de la Orinoquia Colombiana (ICAOC) Campus Barcelona]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de los Llanos Instituto de Ciencias Ambientales de la Orinoquia Colombiana (ICAOC) Campus Barcelona]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad de los Llanos Instituto de Ciencias Ambientales de la Orinoquia Colombiana (ICAOC) Campus Barcelona]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidad de los Llanos Instituto de Ciencias Ambientales de la Orinoquia Colombiana (ICAOC) Campus Barcelona]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Universidad de los Llanos Instituto de Ciencias Ambientales de la Orinoquia Colombiana (ICAOC) Campus Barcelona]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af7">
<institution><![CDATA[,Universidad de los Llanos Instituto de Ciencias Ambientales de la Orinoquia Colombiana (ICAOC) Campus Barcelona]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af8">
<institution><![CDATA[,Universidad de los Llanos Instituto de Ciencias Ambientales de la Orinoquia Colombiana (ICAOC) Campus Barcelona]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af9">
<institution><![CDATA[,Ecopetrol Centro de Innovación y Tecnología Instituto Colombiano del Petróleo (ICP)]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="A10">
<institution><![CDATA[,Ecopetrol Centro de Innovación y Tecnología Instituto Colombiano del Petróleo (ICP)]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2023</year>
</pub-date>
<volume>24</volume>
<numero>2</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0124-53762023000200102&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0124-53762023000200102&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0124-53762023000200102&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El fitoperifiton hace referencia al componente autótrofo perteneciente a la comunidad del perifiton, compuesta por microorganismos acuáticos que han sido monitoreados por su importancia ecológica y potencial como bioindicadores. Son escasos los estudios que se han realizado sobre esta comunidad en la Orinoquia colombiana, región con un abundante recurso hídrico y con múltiples presiones antrópicas, debido a que es la principal despensa agrícola y energética del país. Se realizaron tres monitoreos en 12 puntos a lo largo del río Acacias-Pajure, en donde se identificaron un total de 41 géneros. Los mayores registros de riqueza se presentaron en los puntos de monitoreo 6 y 7, asociados a cultivos de palma de aceite y actividad ganadera. Navicula (Ochrophyta) y Cosmarium (Charophyta) fueron los géneros más frecuentes, Oedogonium (Chlorophyta) y Phormidium (Cyanobacteria) los más abundantes a lo largo del río.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Phytoperiphyton refers to the autotrophic component belonging to the periphyton community, composed of aquatic microorganisms that have been monitored for their ecological importance and potential as bioindicators. Few investigations have been carried out on this community in the Colombian Orinoquia, a region with abundant water resources and multiple anthropic pressures, because it is the country&#8217;s main agricultural and energy source. Three monitorings were carried out at 12 points along the Acacias-Pajure River, where a total of 41 genera were identified. The highest records of richness were presented at monitoring points 6 and 7, associated with oil palm crops and livestock activity. Navicula (Ochrophyta) and Cosmarium (Charophyta) were the most frequent genera, Oedogonium (Chlorophyta) and Phormidium (Cyanobacteria) the most abundant along the river.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[microalga]]></kwd>
<kwd lng="es"><![CDATA[registro biológico]]></kwd>
<kwd lng="es"><![CDATA[sistema lótico]]></kwd>
<kwd lng="en"><![CDATA[microalgae]]></kwd>
<kwd lng="en"><![CDATA[biological record]]></kwd>
<kwd lng="en"><![CDATA[lotic system]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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