<?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>1665-1456</journal-id>
<journal-title><![CDATA[Biotecnia]]></journal-title>
<abbrev-journal-title><![CDATA[Biotecnia]]></abbrev-journal-title>
<issn>1665-1456</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Sonora, División de Ciencias Biológicas y de la Salud]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1665-14562022000100005</article-id>
<article-id pub-id-type="doi">10.18633/biotecnia.v24i1.1283</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Contaminación orgánica por coliformes, Nitrógeno y Fósforo en los ecosistemas acuáticos de la cuenca Ayuquila-Armería, Jalisco, México]]></article-title>
<article-title xml:lang="en"><![CDATA[Organic contamination by coliforms, Nitrogen and Phosphorus in the acuatic ecosistems of the Ayuquila-Armeria basin, Jalisco, Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mancilla-Villa]]></surname>
<given-names><![CDATA[Oscar Raúl]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gómez-Villaseñor]]></surname>
<given-names><![CDATA[Larissa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Olguín-Lopez]]></surname>
<given-names><![CDATA[José Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guevara-Gutiérrez]]></surname>
<given-names><![CDATA[Rubén Darío]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Vargas]]></surname>
<given-names><![CDATA[Omar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ortega-Escobar]]></surname>
<given-names><![CDATA[Héctor Manuel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Flores-Magdaleno]]></surname>
<given-names><![CDATA[Héctor]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Can-Chulim]]></surname>
<given-names><![CDATA[Álvaro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez-Bernal]]></surname>
<given-names><![CDATA[Edgar Iván]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cruz-Crespo]]></surname>
<given-names><![CDATA[Elia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Palomera-García]]></surname>
<given-names><![CDATA[Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Guadalajara Centro Universitario de la Costa Sur Departamento de Producción Agrícola]]></institution>
<addr-line><![CDATA[Autlán Jalisco]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Guadalajara Departamento de Ecología y Recursos Naturales, Ingeniería en Recursos Naturales y Agropecuarios ]]></institution>
<addr-line><![CDATA[Autlán Jalisco]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Colegio de Postgraduados  ]]></institution>
<addr-line><![CDATA[Montecillo ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Autónoma de Nayarit  ]]></institution>
<addr-line><![CDATA[Tepic Nayarit]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidad del Mar  ]]></institution>
<addr-line><![CDATA[Pochutla Oaxaca]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2022</year>
</pub-date>
<volume>24</volume>
<numero>1</numero>
<fpage>5</fpage>
<lpage>14</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1665-14562022000100005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1665-14562022000100005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1665-14562022000100005&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La cuenca del río Ayuquila-Armería se encuentra dentro de la clasificación de cuencas prioritarias de México, dada su alta diversidad, alto grado de alteración de la dinámica funcional y los niveles de presión social que presenta, por ende, es necesario realizar un análisis de la calidad del agua dentro de la cuenca. El objetivo fue evaluar la contaminación orgánica, realizando dos periodos de muestreo en temporada de lluvia (2015), y seca (2016), en 18 sitios de la cuenca. Se implementó el análisis integral de variables físicoquímicas y biológicas. El 90 % de los sitios presento eutrofización dadas las concentraciones de PTotal; el 77 % superó el límite permisible para las concentraciones de NTotal; el IIB evidencio que el 19 % de los sitios presenta un alto grado de contaminación orgánica; en la temporada lluviosa se encontraron las mayores concentraciones de UFC (18 a 190 UFC/mL) y un 50 % de los sitios superó el límite permisible (10 UFC/mL). La influencia de los afluentes tributarios al cauce principal aumenta drásticamente en la temporada de lluvias, se incrementa los caudales y empobrece la calidad del agua superficial por el arrastre de contaminantes desde las zonas rurales y urbanas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The Ayuquila-Armería river basin is within the priority basins classification in Mexico, given its high diversity, and due to its high degree of functional dynamics alteration and levels of social pressure it presents; therefore, it is necessary to carry out an analysis of water quality within the basin. The objective was to evaluate organic contamination, carrying sampling campaigns in two seasons, one in the rainy (2015) and the other in the dry (2016) season, at 18 sites in the basin, through the implementation of a comprehensive analysis of physicochemical and biological variables. According to PTotal concentrations, 90% of the sites presented eutrophication, exceeding 77% of them the permissible limit for NTotal concentrations. The IIB showed that 19% of the sites present a high degree of organic contamination, with highest CFU concentrations (18 to 190 CFU / mL) found in the rainy season and 50% of the sites exceeding the permissible limit (10 CFU / mL). The influence of tributary influents to the main channel increases drastically in the rainy season, increasing flows and impoverishes the surface water quality by pollutants carryover from rural and urban areas.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[nutrientes]]></kwd>
<kwd lng="es"><![CDATA[contaminación]]></kwd>
<kwd lng="es"><![CDATA[macroinvertebrados]]></kwd>
<kwd lng="es"><![CDATA[coliformes]]></kwd>
<kwd lng="es"><![CDATA[Índice de Integridad Biótica]]></kwd>
<kwd lng="en"><![CDATA[nutrients]]></kwd>
<kwd lng="en"><![CDATA[pollution]]></kwd>
<kwd lng="en"><![CDATA[macroinvertebrates]]></kwd>
<kwd lng="en"><![CDATA[coliforms]]></kwd>
<kwd lng="en"><![CDATA[biotic integrity index]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Anduro]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Cantu]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Campos]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Diagnostico de la calidad sanitaria del agua de pozo en comunidades del sur de Sonora, Mexico]]></article-title>
<source><![CDATA[Revista Salud Publica y Nutricion]]></source>
<year>2017</year>
<volume>16</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>1-8</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="book">
<collab>AOAC</collab>
<source><![CDATA[AOAC Official method 991.14 coliform and Escherichia coli counts in foods]]></source>
<year>2002</year>
<publisher-loc><![CDATA[Washington, D.C. ]]></publisher-loc>
<publisher-name><![CDATA[AOAC International]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Baez]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Analisis del manejo de cuencas como herramienta para el aprovechamiento sustentable de recursos naturales]]></article-title>
<source><![CDATA[Revista Chapingo, Serie Zonas Aridas]]></source>
<year>2014</year>
<volume>13</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>39-45</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Can-Chulim]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Ortega-Escobar]]></surname>
<given-names><![CDATA[H. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Sanchez-Bernal]]></surname>
<given-names><![CDATA[E. I.]]></given-names>
</name>
<name>
<surname><![CDATA[Cruz-Crespo]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Calidad de agua para riego en la Sierra Norte de Puebla, Mexico]]></article-title>
<source><![CDATA[Tecnologias y Ciencias del Agua]]></source>
<year>2014</year>
<volume>5</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>77-96</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Castro]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Almeida]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Diaz]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Indicadores de la calidad del agua: evolucion y tendencias a nivel global]]></article-title>
<source><![CDATA[Ingenieria solidara]]></source>
<year>2014</year>
<volume>10</volume>
<numero>17</numero>
<issue>17</issue>
<page-range>111-24</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Castillo]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
<name>
<surname><![CDATA[Vera]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Agua potable y saneamiento en la nueva ruralidad de America Latina]]></source>
<year>2016</year>
<page-range>500</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Carrera-Villacres]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Ortega-Escobar]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Ramirez-Garcia]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Ramirez-Ayala]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Trejo-Lopez]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Becerril-Roman]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Boro, fosfatos e indices de salinidad del sistema hidrografico Zahuapan-Atoyac, Mexico]]></article-title>
<source><![CDATA[Tecnologia y ciencias del agua]]></source>
<year>2011</year>
<volume>2</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>05-21</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Diaz]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Duarte]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Pallanez]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Moreno]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Mejia]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Durazo]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Analisis de los criterios para proteger la vida acuatica: el rio Sonora despues del derrame minero de 2014]]></article-title>
<source><![CDATA[Aqua-LAC]]></source>
<year>2018</year>
<volume>10</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>75-87</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="book">
<collab>CONAGUA</collab>
<source><![CDATA[Estadisticas del agua en Mexico]]></source>
<year>2016</year>
<page-range>282</page-range><publisher-loc><![CDATA[Ciudad de Mexico, Mexico ]]></publisher-loc>
<publisher-name><![CDATA[Secretaria de Medio Ambiente y Recursos Naturales]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cotler]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Caire]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Lecciones aprendidas del manejo de cuencas en Mexico]]></source>
<year>2009</year>
<publisher-name><![CDATA[Instituto Nacional de Ecologia (INE), Fundacion Gonzalo Rio Arronte, I.A.P., WWF, la Organización Mundial de Conservacion]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cotler]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Garrido]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Bunge]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Cuevas]]></surname>
<given-names><![CDATA[M. L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Las cuencas hidrograficas de Mexico: priorizacion y toma de decisiones]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Cotler]]></surname>
<given-names><![CDATA[A. H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Las cuencas hidrograficas de Mexico. Diagnostico y priorizacion]]></source>
<year>2010</year>
<page-range>120</page-range><publisher-name><![CDATA[Instituto Nacional de Ecologia y Cambio Climatico]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Contreras-Rodriguez]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Martinez-Rivera]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Ortiz-Arrona]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Nivel de alteracion ecohidrologica en rios perennes de la cuenca del rio Ayuquila-Armeria]]></article-title>
<source><![CDATA[Biotecnia]]></source>
<year>2020</year>
<volume>22</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>28-38</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[De la Lanza]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Carbajal]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Salinas]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Barrios]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Medicion del caudal ecologico del rio Acaponeta, Nayarit, comparando distintos intervalos de tiempo]]></article-title>
<source><![CDATA[Investigaciones geograficas]]></source>
<year>2012</year>
<volume>78</volume>
<page-range>62-74</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Elosegui]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Sabater]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Conceptos y tecnicas en ecología fluvial]]></article-title>
<source><![CDATA[Boletin de la Real Sociedad de Geografia]]></source>
<year>2009</year>
<volume>145</volume>
<page-range>374-5</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Encalada]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Funciones ecosistemicas y diversidad de los rios: Reflexiones sobre el concepto de caudal ecologico y su aplicacion en el Ecuador]]></article-title>
<source><![CDATA[Revista Polemika]]></source>
<year>2010</year>
<volume>2</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>40-7</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fessel]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Vieira]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Cruz]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Panobianco]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Pruebas de conductividad electrica de semillas de maiz segun la temperatura y el periodo de almacenamiento]]></article-title>
<source><![CDATA[Pesquisa Agropecuaria Brasileira]]></source>
<year>2006</year>
<volume>41</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>1551-9</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fregoso-Zamorano]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<source><![CDATA[Calidad de las aguas de riego de la cuenca del rio Ayuquila-Tuxcacuesco-Armeria]]></source>
<year>2015</year>
<page-range>136</page-range><publisher-loc><![CDATA[Jalisco, Mexico ]]></publisher-loc>
<publisher-name><![CDATA[Universidad de Guadalajara]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gaete]]></surname>
<given-names><![CDATA[H. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Aranguiz]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Cienfuegos y M.]]></surname>
<given-names><![CDATA[Tejos]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Metales pesados y toxicidad de aguas del rio Aconcagua en Chile]]></article-title>
<source><![CDATA[Quimica Nova]]></source>
<year>2007</year>
<volume>30</volume>
<page-range>885-91</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Geraldi]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Piccolo]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Perillo]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Delimitacion y estudio de cuencas hidrograficas con modelos hidrologicos]]></article-title>
<source><![CDATA[Investigaciones geograficas]]></source>
<year>2010</year>
<volume>52</volume>
<page-range>215-25</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Guevara]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Analisis de frecuencia y riesgo en hidrologia]]></source>
<year>2006</year>
<publisher-name><![CDATA[Universidad de Carabobo]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gutierrez-Garaviz]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Zamora]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Andrade]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Efecto de la actividad antropica sobre la composicion y diversidad de macroinvertebrados acuaticos en el rio Cofre (sistema lotico andino colombiano)]]></article-title>
<source><![CDATA[Revista Biodiversidad Neotropical]]></source>
<year>2014</year>
<volume>4</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>113-23</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Guzman-Colis]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Tthalasso]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Ramirez-Lopez]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Rodriguez-Narciso]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Guerrero-Barrera]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Avelar-Gonzalez]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluacion espaciotemporal de la calidad del agua del rio San Pedro en el estado de Aguascalientes, Mexico]]></article-title>
<source><![CDATA[Revista Internacional de Contaminacion Ambiental]]></source>
<year>2011</year>
<volume>27</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>89-102</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Henne]]></surname>
<given-names><![CDATA[L.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Schneider]]></surname>
<given-names><![CDATA[D.W.]]></given-names>
</name>
<name>
<surname><![CDATA[Martinez-Rivera]]></surname>
<given-names><![CDATA[L.M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Rapid assessment of organic pollution in a west-central Mexican river using a family-level biotic index]]></article-title>
<source><![CDATA[Journal of Environmental Planning and Management]]></source>
<year>2002</year>
<volume>45</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>613-32</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hernandez-Vargas]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
</person-group>
<source><![CDATA[Calidad del agua de dos cuencas tributarias del Rio Tuxcacuesco, Jalisco]]></source>
<year>2017</year>
<page-range>159</page-range><publisher-loc><![CDATA[Jalisco, Mexico ]]></publisher-loc>
<publisher-name><![CDATA[Universidad de Guadalajara, Centro Universitario de la Costa Sur]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mancilla-Villa]]></surname>
<given-names><![CDATA[O. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Fregoso-Zamorano]]></surname>
<given-names><![CDATA[B. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Hueso-Guerrero]]></surname>
<given-names><![CDATA[E. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Guevara-Gutierrez]]></surname>
<given-names><![CDATA[R. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Palomera-Garcia]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Olguin-Lopez]]></surname>
<given-names><![CDATA[J. L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Concentracion ionica y metales pesados en el agua de riego de la cuenca de rio Ayuquila-Tuxcacuesco-Armeria]]></article-title>
<source><![CDATA[IDESIA]]></source>
<year>2017</year>
<volume>35</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>115-23</page-range></nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Martinez]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Fernandez]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Hidrologia aplicada a las pequenas obras hidraulicas]]></source>
<year>2010</year>
<page-range>20</page-range><publisher-name><![CDATA[SAGARPA]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Merrit]]></surname>
<given-names><![CDATA[R.W.]]></given-names>
</name>
<name>
<surname><![CDATA[Cummins]]></surname>
<given-names><![CDATA[K.W.]]></given-names>
</name>
</person-group>
<source><![CDATA[An introduction of the aquatic insects of North America]]></source>
<year>1996</year>
<edition>3a</edition>
<page-range>862</page-range><publisher-loc><![CDATA[Dubuque ]]></publisher-loc>
<publisher-name><![CDATA[Kendall]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Meza]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Sepulveda]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Efecto de la conductividad eléctrica y nivel del agua sobre la reproduccion de la trucha xenocara (Ancistrus triradiatus, Eigenmann 1918) bajo condiciones experimentales]]></article-title>
<source><![CDATA[Veterinaria e Zootecnia]]></source>
<year>2012</year>
<volume>6</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>37-46</page-range></nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Meza-Rodriguez]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Martinez-Rivera]]></surname>
<given-names><![CDATA[L. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Mercado-Silva]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Garcia de Jalon-Lastra]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Gonzalez del Tanago-Del Rio]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Marchamelo-Sacristan]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[De la Mora-Orozco]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Regimen natural de caudales del rio Ayuquila-Armeria en el occidente de Mexico]]></article-title>
<source><![CDATA[Terra Latinoamericana]]></source>
<year>2017</year>
<volume>35</volume>
<page-range>203-17</page-range></nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mora-Bueno]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Sanchez-Pena]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Del Razo]]></surname>
<given-names><![CDATA[L. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Gonzalez-Arias]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Medina-Diaz]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Robledo-Marenco]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Rojas-Garcia]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Presencia de arsenico y coliformes en agua potable del municipio de Tecuala, Nayarit, Mexico]]></article-title>
<source><![CDATA[Revista Internacional de Contaminacion Ambiental]]></source>
<year>2012</year>
<volume>28</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>127-35</page-range></nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Moya]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Dominguez]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Goitia]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Oberdoff]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Desarrollo de un indice multimetrico basado en macroinvertebrados acuaticos para evaluar la integridad biologica en rios de los valles interandinos de Bolivia]]></article-title>
<source><![CDATA[Asociacion Argentina de Ecologia; Ecologia Austral]]></source>
<year>2011</year>
<volume>21</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>7-20</page-range></nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Munoz-Nava]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Suarez-Sanchez]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Vera-Reyes]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Baumann]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Carreon-Coca]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Montealegre-Munoz]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Relación entre el nitrogeno y las microcuencas del rio Zahuapan, Mexico]]></article-title>
<source><![CDATA[Tecnologia y ciencias del agua]]></source>
<year>2013</year>
<volume>4</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>47-61</page-range></nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Neal]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[House]]></surname>
<given-names><![CDATA[W. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Jarvie]]></surname>
<given-names><![CDATA[P. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Neal]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Hill]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Wickham]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The water quality of the river Dunn and the Kennet and Avon canal]]></article-title>
<source><![CDATA[Journal of Hydrology]]></source>
<year>2006</year>
<volume>330</volume>
<page-range>155-70</page-range></nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="book">
<source><![CDATA[Calidad del agua-determinacion del numero mas probable (NMP) de coliformes totales, coliformes fecales (termotolerantes) y Escherichia coli presuntiva]]></source>
<year></year>
<numero>NORMA MEXICANA. 1987. NMX-AA-42-1987</numero>
<issue>NORMA MEXICANA. 1987. NMX-AA-42-1987</issue>
<publisher-loc><![CDATA[Mexico ]]></publisher-loc>
<publisher-name><![CDATA[Secretaria de Desarrollo Urbano y Ecologia. Diario Oficial de la Federacion]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B35">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Olguin]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Gonzalez-Portela]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Sanchez]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Zamora]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Owen]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Contaminacion de rios urbanos: El caso de la subcuenca del rio Sordo en Xalapa, Veracruz, Mexico]]></article-title>
<source><![CDATA[Revista Latinoamericana de Biotecnologia Ambiental y Algal]]></source>
<year>2010</year>
<volume>1</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>178-90</page-range></nlm-citation>
</ref>
<ref id="B36">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Olivas-Enriquez]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Flores-Margez]]></surname>
<given-names><![CDATA[J. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Serrano-Alamillo]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Soto-Mejia]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Iglesias-Mejia]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Salazar-Sosa]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Fortis-Hernandez]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Indicadores fecales y patogenos en agua descargada al Rio Bravo]]></article-title>
<source><![CDATA[Terra Latinoamericana]]></source>
<year>2011</year>
<volume>29</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>449-57</page-range></nlm-citation>
</ref>
<ref id="B37">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ortiz-Vega]]></surname>
<given-names><![CDATA[M. I.]]></given-names>
</name>
<name>
<surname><![CDATA[Can-Chulim]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Romero-Banuelos]]></surname>
<given-names><![CDATA[C. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Cruz-Crespo]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Madueno-Molina]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Calidad del agua para uso agricola del rio Mololoa, Mexico]]></article-title>
<source><![CDATA[Terra Latinoamericana]]></source>
<year>2019</year>
<volume>37</volume>
<page-range>185-95</page-range></nlm-citation>
</ref>
<ref id="B38">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Palomera-Garcia]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Effects of land-use activities in the Ayuquila River&#8217;s fauna]]></source>
<year>2012</year>
<page-range>179</page-range><publisher-loc><![CDATA[Canada ]]></publisher-loc>
<publisher-name><![CDATA[Simon Fraser University]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B39">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pucci]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Acuna]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Pucci]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Contaminacion microbiológica por enterobacterias y coliformes totales de la playa de Stela Maris, Comodoro Rivadavia, Argentina, derivada de los efluentes cloacales]]></article-title>
<source><![CDATA[Higiene y Sanidad Ambiental]]></source>
<year>2013</year>
<volume>13</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>1102-7</page-range></nlm-citation>
</ref>
<ref id="B40">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ramirez]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Robles]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Sainz]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Ayala]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Calidad microbiologica del acuifero de Zacatepec, Morelos, Mexico]]></article-title>
<source><![CDATA[Revista Internacional de Contaminacion Ambiental]]></source>
<year>2009</year>
<volume>25</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>247-55</page-range></nlm-citation>
</ref>
<ref id="B41">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Redondo]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Arias]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparacion de metodos para el analisis de coliformes totales y fecales en muestras de agua mediante la tecnica de Numero Mas Probable (NMP)]]></article-title>
<source><![CDATA[UNED Research Journal]]></source>
<year>2011</year>
<volume>3</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>41-3</page-range></nlm-citation>
</ref>
<ref id="B42">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Robles]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Ramirez]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Duran]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Martinez]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Gonzalez]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Calidad bacteriologica y fisicoquimica del agua del acuifero Tepalcingoaxochiapan, Morelos, Mexico]]></article-title>
<source><![CDATA[Avances en Ciencias e Ingenieria]]></source>
<year>2013</year>
<volume>4</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>19-28</page-range></nlm-citation>
</ref>
<ref id="B43">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Roldan-Perez]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Los macroinvertebrados como bioindicadores de la calidad del agua: cuatro décadas de desarrollo en Colombia y Latinoamerica]]></article-title>
<source><![CDATA[Revista de la Academia Colombiana de Ciencias Exactas, Fisicas y Naturales]]></source>
<year>2016</year>
<volume>40</volume>
<numero>155</numero>
<issue>155</issue>
<page-range>254-74</page-range></nlm-citation>
</ref>
<ref id="B44">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Santana]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Navarro]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Martinez]]></surname>
<given-names><![CDATA[L.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Aguirre]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Figueroa]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Aguilar]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Contaminacion, aprovechamiento y conservacion de los recursos acuaticos del rio Ayuquila, Reserva de la Biosfera Sierra de Manantlan, Jalisco-Colima]]></article-title>
<source><![CDATA[Tiempos de Ciencia]]></source>
<year>1993</year>
<volume>30</volume>
<page-range>29-38</page-range></nlm-citation>
</ref>
<ref id="B45">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sanchez]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Canon]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Analisis documental del efecto de vertimientos domesticos y mineros en la calidad del agua del rio Condoto (Choco, Colombia)]]></article-title>
<source><![CDATA[Gestion y Ambiente]]></source>
<year>2010</year>
<volume>13</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>115-30</page-range></nlm-citation>
</ref>
<ref id="B46">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sardinas]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
<name>
<surname><![CDATA[Chiroles]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Fernandez]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Hernandez]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Perez]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluacion fisicoquimica y microbiologica del agua de la presa El Cacao (Cotorro, Cuba)]]></article-title>
<source><![CDATA[Higiene y Sanidad Ambiental]]></source>
<year>2006</year>
<volume>6</volume>
<page-range>202-6</page-range></nlm-citation>
</ref>
<ref id="B47">
<nlm-citation citation-type="book">
<collab>SEMARNAT</collab>
<source><![CDATA[Establece los limites maximos permisibles de contaminantes en las descargas de aguas residuales, en aguas y bienes nacionales]]></source>
<year>1996</year>
<numero>Norma Oficial Mexicana NOM-001-ECOL-1996</numero>
<issue>Norma Oficial Mexicana NOM-001-ECOL-1996</issue>
<page-range>35</page-range><publisher-loc><![CDATA[Ciudad de Mexico, Mexico ]]></publisher-loc>
<publisher-name><![CDATA[Secretaria de Medio Ambiente, Recursos Naturales y Pesca. Diario Oficial de la Federacion]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B48">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sharpley]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Manejo de fosforo en sistemas de produccion agricola ambientalmente sostenible: desafios y oportunidades]]></article-title>
<source><![CDATA[Informaciones Agronomicas]]></source>
<year>2010</year>
<page-range>15-23</page-range></nlm-citation>
</ref>
<ref id="B49">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sierra]]></surname>
<given-names><![CDATA[C.A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Calidad del agua, evaluacion y diagnostico]]></source>
<year>2011</year>
<page-range>456</page-range><publisher-loc><![CDATA[Medellin, Colombia ]]></publisher-loc>
<publisher-name><![CDATA[Universidad de Medellin]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B50">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Solis-Garza]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Villalba-Atondo]]></surname>
<given-names><![CDATA[A. I.]]></given-names>
</name>
<name>
<surname><![CDATA[Nubes-Ortiz]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Del Castillo-Alarcon]]></surname>
<given-names><![CDATA[J. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Meraz-Acosta]]></surname>
<given-names><![CDATA[F. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Fisicoquimica del agua superficial y sedimento en el rio Santa Cruz, Sonora, Mexico]]></article-title>
<source><![CDATA[Biotecnia]]></source>
<year>2011</year>
<volume>13</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>3-9</page-range></nlm-citation>
</ref>
<ref id="B51">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Terneus]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Hernandez]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Racines]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluación ecologica del rio Lliquino a traves de macroinvertebrados acuaticos, Pastaza-Ecuador]]></article-title>
<source><![CDATA[Revista de Ciencias]]></source>
<year>2012</year>
<volume>16</volume>
<page-range>31-45</page-range></nlm-citation>
</ref>
<ref id="B52">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Viloria]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Mendez-Natera]]></surname>
<given-names><![CDATA[J.R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Relacion entre la conductividad electrica, pH del agua de remojo, germinacion de semillas y crecimiento de plantulas de maíz (Zea mayz L.) bajo dos condiciones experimentales]]></article-title>
<source><![CDATA[Scientia Agropecuaria]]></source>
<year>2011</year>
<volume>2</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>213-28</page-range></nlm-citation>
</ref>
<ref id="B53">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Weigel]]></surname>
<given-names><![CDATA[B.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Henne]]></surname>
<given-names><![CDATA[L.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Martinez-Rivera]]></surname>
<given-names><![CDATA[L.M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Macroinvertebrate-based index of biotic integrity for protection of streams in west-central Mexico]]></article-title>
<source><![CDATA[Journal of North American Benthological Society]]></source>
<year>2002</year>
<volume>21</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>686-700</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
