<?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>2602-8484</journal-id>
<journal-title><![CDATA[FIGEMPA: Investigación y Desarrollo]]></journal-title>
<abbrev-journal-title><![CDATA[Figempa]]></abbrev-journal-title>
<issn>2602-8484</issn>
<publisher>
<publisher-name><![CDATA[Universidad Central de Ecuador ]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2602-84842021000100076</article-id>
<article-id pub-id-type="doi">10.29166/revfig.v11i1.3135</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Calidad fisicoquímica del agua de la laguna Colta. Chimborazo. Ecuador]]></article-title>
<article-title xml:lang=""><![CDATA[Physicochemical quality of lagoon Colta water. Chimborazo. Ecuador]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Escobar Arrieta]]></surname>
<given-names><![CDATA[Sandra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Albuja]]></surname>
<given-names><![CDATA[Ana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Andueza Leal]]></surname>
<given-names><![CDATA[Félix Daniel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Escuela Superior Politécnica del Chimborazo. Riobamba  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Escuela Superior Politécnica del Chimborazo. Riobamba  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Central del Ecuador  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Ecuador</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<volume>11</volume>
<numero>1</numero>
<fpage>76</fpage>
<lpage>81</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.senescyt.gob.ec/scielo.php?script=sci_arttext&amp;pid=S2602-84842021000100076&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.senescyt.gob.ec/scielo.php?script=sci_abstract&amp;pid=S2602-84842021000100076&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.senescyt.gob.ec/scielo.php?script=sci_pdf&amp;pid=S2602-84842021000100076&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Las lagunas de alta montaña son ecosistemas muy frágiles sujetos a variaciones en las características fisicoquímicas que influyen en sus condiciones biológicas y ecológicas. En Ecuador existen una gran diversidad de lagunas de alta montaña que se han estado investigando en los últimos años. En este sentido, se realizó el presente trabajo para conocer la dinámica estacional de los factores fisicoquímicos en la laguna Colta, situada en la provincia del Chimborazo, Ecuador a una altura de 3312 msnm. Se realizaron mediciones de los parámetros fisicoquímicos conductividad eléctrica, pH, solidos totales disueltos, temperatura y transparencia en diferentes partes de la alguna por un periodo de dos años utilizando un equipo multiparámetro y el disco Seecchi. Los resultados obtenidos indican un pH alcalino con valores entre 8,36 y 9,20 y un valor promedio de 8,87, una temperatura entre 16,4 y 18,9 °C con un valor promedio de 17,91 °C, conductividad eléctrica elevada con un rango de valores a lo largo de la laguna desde 903 a 1253 µs/cm y un valor promedio de 1085 µs/cm, alta cantidad de solidos totales disueltos que variaron entre 537 a 832 mg/L y un valor promedio de 680 mg/L y un índice de transparencia Seecchi indicativo de un lago eutrófico con valores entre 0,76 y 3,5 metros, con un valor promedio de 1,54 metros. Los resultados obtenidos indican un ecosistema lacustre eutrófico con parámetros fisicoquímicos estables en toda la laguna a lo largo del tiempo.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract High mountain lagoons are very fragile ecosystems subject to variations in the physicochemical characteristics that influence their biological and ecological conditions. In Ecuador there is a great diversity of high mountain lagoons that have been investigated in recent years. In this sense, the present work was carried out to know the seasonal dynamics of the physicochemical factors in the Colta lagoon, located in the province of Chimborazo, Ecuador at an altitude of 3312 meters above sea level. Measurements of the physicochemical parameters, electrical conductivity, pH, total dissolved solids, temperature and transparency were carried out in different parts of lagoon for a period of two years using a multiparameter equipment and the Seecchi disk. The results obtained indicate an alkaline pH with values &#8203;&#8203;between 8.36 and 9.20 and an average value of 8.87, a temperate temperature between 16.4 and 18.9 °C with an average value of 17.91 °&#8203;&#8203;C, Elevated electrical conductivity with a range of values &#8203;&#8203;throughout the lagoon from 903 to 1253 µs/cm and an average value of 1085 µs/cm, high amount of total dissolved solids that varied between 537 to 832 mg/L and an average value of 680 mg/L and a Seecchi transparency index indicative of a eutrophic lake with values &#8203;&#8203;between 0.76 and 3.5 meters, with an average value of 1.54 meters. The results obtained indicate a eutrophic lake ecosystem with stable physicochemical parameters throughout the lagoon over time.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Laguna Colta]]></kwd>
<kwd lng="es"><![CDATA[Lagunas de alta montaña]]></kwd>
<kwd lng="es"><![CDATA[Calidad fisicoquímica]]></kwd>
<kwd lng="en"><![CDATA[Colta lagoon]]></kwd>
<kwd lng="en"><![CDATA[High mountain lagoons]]></kwd>
<kwd lng="en"><![CDATA[Physicochemical quality]]></kwd>
</kwd-group>
</article-meta>
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