<?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>2007-7858</journal-id>
<journal-title><![CDATA[CienciaUAT]]></journal-title>
<abbrev-journal-title><![CDATA[CienciaUAT]]></abbrev-journal-title>
<issn>2007-7858</issn>
<publisher>
<publisher-name><![CDATA[Universidad Autónoma de Tamaulipas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-78582015000100015</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Microalgas del Área Natural Protegida Ejidos de Xochimilco San Gregorio Atlapulco, México]]></article-title>
<article-title xml:lang="en"><![CDATA[Microalgae of Natural Protected Area Xochimilco and San Gregorio Atlapulco Ejidos (collective use rural lands), Mexico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Figueroa-Torres]]></surname>
<given-names><![CDATA[María Guadalupe]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arana-Magallón]]></surname>
<given-names><![CDATA[Fernando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Almanza-Encarnación]]></surname>
<given-names><![CDATA[Saúl]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramos-Espinosa]]></surname>
<given-names><![CDATA[María Guadalupe]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ferrara-Guerrero]]></surname>
<given-names><![CDATA[María Jesús]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidad Autónoma Metropolitana Xochimilco Departamento el Hombre y su Ambiente División de Ciencias Biológicas y de la Salud]]></institution>
<addr-line><![CDATA[México D.F.]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="A02">
<institution><![CDATA[,Universidad Autónoma Metropolitana Xochimilco Departamento de Producción Agrícola y Animal ]]></institution>
<addr-line><![CDATA[México D.F.]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2015</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2015</year>
</pub-date>
<volume>9</volume>
<numero>2</numero>
<fpage>15</fpage>
<lpage>29</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-78582015000100015&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-78582015000100015&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-78582015000100015&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: En México, la mayor parte de los estudios florísticos hacen referencia a organismos macroscópicos, siendo escasos los trabajos de las especies microscópicas, pese a que poseen una gran importancia ecológica, económica y propiedaes de interés para el sector salud. En la zona de estudio, Área Natural Protegida Ejidos de Xochimilco y San Gregorio Atlapulco, Ciudad de México, este esquema se repite, encontrándose pocos trabajos sobre las microalgas de los canales de Xochimilco y ninguno sobre San Gregorio Atlapulco. El objetivo del presente trabajo fue elaborar un inventario de las microalgas de los canales de estas dos áreas. Para el caso de Xochimilco, se hizo una revisión bibliográfica exhaustiva, que abarcó de enero de 1933 a diciembre de 2014. Para el caso de San Gregorio Atlapulco, debido a que no había estudios previos, se realizó un muestreo en enero del 2013 en 17 estaciones distribuidas en toda la zona, con una red de arrastre de abertura de malla de 54 &#956;m y con una botella van Dorn. Las muestras se preservaron con formalina al 4 % y con lugol al 1 % respectivamente, obteniendo un total de 34 muestras. Se generó un listado de 370 especies de microalgas para toda el Área Natural Protegida, de las cuales, 36 % pertenecieron a Clorofitas; 24 % a Euglenofitas; 24 % a Diatomeas, 12 % a Cianoprocariotas, 3 % a Dinoflagelados y 1 % a Cromofitas, con 27 nuevos registros para San Gregorio Atlapulco. Entre las especies registradas, Microcystis aeruginosa y Peridinium willei forman florecimientos algales tóxicos, por lo que se hace necesario monitorear estos ecosistemas para prevenir sus efectos nocivos, además de continuar con los estudios ficoflorísticos de la región.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: In Mexico, most of the floristic studies are focused on the analysis of macroscopic organisms, with few studies on species of microflora, in spite of the high importance they bear in ecological and economical values and the properties of interest that they hold for the health sector. In the context where this research was carried out, the Natural Protected Area of Xochimilco and San Gregorio Atlapulco Ejidos in Mexico City, this pattern is repeated. There are a very small number of studies on Xochimilco's channel microalgae and no research of this nature has been carried out in San Gregorio Atlapulco. The aim of this work was to develop an inventory of microalgae Xochimilco and San Gregorio Atlapulco canals. In of the case of Xochimilco, a comprehensive review of literature related to microalgae studies ranging from January 1933 to December 2014 was conducted. Since there were no previous studies in the case of San Gregorio Atlapulco, sampling was conducted in January 2013 in 17 stations distributed throughout the area with a trawl net of 54 &#956;m mesh size and a van Dorn bottle. The samples were preserved with formalin 4 % and 1 % lugol respectively, obtaining a total of 34 samples. A list of 370 species of microalgae were obtained for all the Natural Protected Area from which 36 % belong to Chlorophytes; 24 % Euglenophytes; 24 % Diatoms; 12 % belong Cianoprocariotas, 3 % Dinoflagellates, and 1 % Cromofitas, 27 new records for San Gregorio Atlapulco. Among the species recorded, Microcystis aeruginosa and Peridinium willei produce toxic algal blooms, therefore it is necessary to monitor these species and ecosystems to prevent its potential harmful effects, besides continuing ficofloristic studies of the region.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Microalgas]]></kwd>
<kwd lng="es"><![CDATA[Xochimilco]]></kwd>
<kwd lng="es"><![CDATA[San Gregorio]]></kwd>
<kwd lng="es"><![CDATA[México]]></kwd>
<kwd lng="en"><![CDATA[Microalgae]]></kwd>
<kwd lng="en"><![CDATA[Xochimilco]]></kwd>
<kwd lng="en"><![CDATA[San Gregorio]]></kwd>
<kwd lng="en"><![CDATA[Mexico]]></kwd>
</kwd-group>
</article-meta>
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