<?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>2477-9105</journal-id>
<journal-title><![CDATA[Perfiles]]></journal-title>
<abbrev-journal-title><![CDATA[Perfiles]]></abbrev-journal-title>
<issn>2477-9105</issn>
<publisher>
<publisher-name><![CDATA[Escuela Superior Politécnica de Chimborazo]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2477-91052024000200063</article-id>
<article-id pub-id-type="doi">10.47187/perf.v1i32.301</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[EVALUACIÓN DE LA CALIDAD DEL AGUA Y FAUNA MACROBENTÓNICA EN EL AFLUENTE Y EFLUENTE PRINCIPAL DE LA LAGUNA SANTO DOMINGO]]></article-title>
<article-title xml:lang="en"><![CDATA[Evaluation of water quality and macrobenthonic fauna in the main tributary and effluent of Santo Domingo lagoon]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Basantes Basantes]]></surname>
<given-names><![CDATA[Edwin Fernando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ruiz Mármol]]></surname>
<given-names><![CDATA[Hernán Patricio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villafuerte Carrillo]]></surname>
<given-names><![CDATA[Franklin Rolando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Domínguez Narváez]]></surname>
<given-names><![CDATA[Vicente Fabricio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aragadvay Yungán]]></surname>
<given-names><![CDATA[Ramón Gonzalo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lozano Hernández]]></surname>
<given-names><![CDATA[Cristian Javier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Estatal Amazónica Facultad Ciencias de la Tierra ]]></institution>
<addr-line><![CDATA[Puyo ]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Laboratorio de Análisis Químico TOX-CHEM  ]]></institution>
<addr-line><![CDATA[Riobamba ]]></addr-line>
<country>Ecuador</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2024</year>
</pub-date>
<volume>1</volume>
<numero>32</numero>
<fpage>63</fpage>
<lpage>72</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.senescyt.gob.ec/scielo.php?script=sci_arttext&amp;pid=S2477-91052024000200063&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.senescyt.gob.ec/scielo.php?script=sci_abstract&amp;pid=S2477-91052024000200063&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.senescyt.gob.ec/scielo.php?script=sci_pdf&amp;pid=S2477-91052024000200063&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN El presente estudio evalúa la calidad del agua del principal afluente y efluente de la Laguna Santo Domingo. Los objetivos fueron analizar las características físico-químicas y biológicas del agua para determinar su influencia en la calidad del agua, utilizando los índices ICA-NSF, ICA-Dinius, ABI e IBF. Para esto, se realizaron muestreos durante los meses de abril y junio, evaluando un total de 15 parámetros e identificando los macroinvertebrados bentónicos presentes en los cuerpos de agua. Los indicadores fisicoquímicos muestran una calidad del agua ligeramente superior en abril (valor máximo 42,2%) respecto a junio (valor máximo 35,5%). Mientras que, la evaluación biológica exhibió mala calidad del agua en los puntos de muestreo con valores de 14 hasta 21 según el índice ABI, en tanto que el índice IBF indicó una calidad excelente en los puntos, sugiriendo una discordancia entre la calidad biológica (según el IBF) y fisicoquímica. Esta discrepancia sugiere la presencia de contaminantes que podrían afectar la biodiversidad a largo plazo, por lo que, es importante realizar un monitoreo constante y más profundo para establecer la salud del ecosistema acuático.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT This study evaluates the water quality of the main tributary and efluent of the Santo Domingo Lagoon. The objectives were to analyze the physical-chemical and biological characteristics of the water to determine its influence on water quality, using the ICA-NSF, ICA-Dinius, ABI and IBF indices. For this, samplings were carried out during the months of April and June, evaluating a total of 15 parameters and identifying the benthic macroinvertebrates present in the water bodies. Physicochemical indicators show a slightly higher water quality in April (maximum value 42.2%) compared to June (maximum value 35.5%). Meanwhile, the biological evaluation showed poor water quality at the sampling points with values from 14 to 21 according to the ABI index, while the IBF index indicated excellent quality at the points, suggesting a discrepancy between biological and physicochemical quality. This discrepancy suggests the presence of contaminants that could affect biodiversity in the long term, so it is important to carry out constant and more in-depth monitoring to establish the health of the aquatic ecosystem.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Calidad]]></kwd>
<kwd lng="es"><![CDATA[Indicadores]]></kwd>
<kwd lng="es"><![CDATA[Macroinvertebrados]]></kwd>
<kwd lng="es"><![CDATA[Contaminación]]></kwd>
<kwd lng="es"><![CDATA[Agua]]></kwd>
<kwd lng="en"><![CDATA[Quality]]></kwd>
<kwd lng="en"><![CDATA[Indicators]]></kwd>
<kwd lng="en"><![CDATA[Macroinvertebrates]]></kwd>
<kwd lng="en"><![CDATA[Pollution]]></kwd>
<kwd lng="en"><![CDATA[Water]]></kwd>
</kwd-group>
</article-meta>
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