<?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>2007-2422</journal-id>
<journal-title><![CDATA[Tecnología y ciencias del agua]]></journal-title>
<abbrev-journal-title><![CDATA[Tecnol. cienc. agua]]></abbrev-journal-title>
<issn>2007-2422</issn>
<publisher>
<publisher-name><![CDATA[Instituto Mexicano de Tecnología del Agua, Coordinación de Comunicación, Participación e Información]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-24222019000100234</article-id>
<article-id pub-id-type="doi">10.24850/j-tyca-2019-01-09</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Hacia el inventario de flujos de carbono en aguas tropicales: unificar métodos]]></article-title>
<article-title xml:lang="en"><![CDATA[Towards the construction of a carbon fluxes inventory of tropical waters: a unifying method pipeline]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valdespino-Castillo]]></surname>
<given-names><![CDATA[Patricia M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Merino-Ibarra]]></surname>
<given-names><![CDATA[Martín]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramírez-Zierold]]></surname>
<given-names><![CDATA[Jorge A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castillo]]></surname>
<given-names><![CDATA[Fermín S.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González de Zayas]]></surname>
<given-names><![CDATA[Roberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carnero-Bravo]]></surname>
<given-names><![CDATA[Vladislav]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Autónoma de México Posgrado en Ciencias del Mar y Limnología ]]></institution>
<addr-line><![CDATA[México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional Autónoma de México Instituto de Ciencias del Mar y Limnología Unidad Académica de Ecología y Biodiversidad Acuática]]></institution>
<addr-line><![CDATA[México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Nacional Autónoma de México Posgrado en Ciencias del Mar y Limnología ]]></institution>
<addr-line><![CDATA[México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Nacional Autónoma de México Instituto de Ciencias del Mar y Limnología Unidad Académica de Ecología y Biodiversidad Acuática]]></institution>
<addr-line><![CDATA[México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Centro de Investigaciones de Ecosistemas Costeros  ]]></institution>
<addr-line><![CDATA[Ciego de Ávila ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Universidad Nacional Autónoma de México Posgrado en Ciencias del Mar y Limnología ]]></institution>
<addr-line><![CDATA[México ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2019</year>
</pub-date>
<volume>10</volume>
<numero>1</numero>
<fpage>234</fpage>
<lpage>252</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-24222019000100234&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-24222019000100234&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-24222019000100234&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Recientemente se ha revalorado la relevancia de los sistemas acuáticos epicontinentales en el ciclo global del carbono, ya que éstos tienen una gran capacidad de ser tanto sumideros de carbono, hacia sus sedimentos, como fuentes de carbono atmosférico. Sin embargo, la información acerca de los sistemas tropicales es aún heterogénea y escasa, situación particularmente crítica, dado que estos sistemas enfrentan problemas crecientes en el panorama del cambio global, contaminación y eutrofización incluidas, particularmente esta última, así como impactos de las estrategias de manejo (e.g., cambios en el nivel de agua). El estudio de la dinámica del oxígeno, criticado en el pasado, ha sido retomado y hoy es nuevamente utilizado ampliamente para estimar la producción primaria y la respiración ecosistémica ante la urgencia por estimar los flujos de carbono asociados a los sistemas acuáticos. Se revisan aquí, por ello, los aspectos metodológico-conceptuales asociados a la implementación moderna del método de evolución del oxígeno y se discuten las ventajas y los problemas asociados a esta metodología, para facilitar y extender su aplicación a los sistemas tropicales, donde su implementación es muy conveniente. Se propone también una secuencia metodológica unificadora para hacer posible la comparación entre estudios, y el escalamiento de los flujos de carbono, tanto espacial como temporalmente. Los inventarios de carbono en diferentes escalas (espaciales y temporales) son necesarios para entender la participación y las respuestas de los sistemas acuáticos y regiones tropicales (en particular su papel como fuentes o sumideros de carbono) frente al cambio global.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The relevance of inland waters in the global carbon cycle has been stressed recently, particularly because of a reassessment of their capacity for carbon exportation to the atmosphere and to the sediments. Global surveys have also highlighted the acute lack of information on tropical systems, which are exposed to crescent problems in the Global Change panorama, such as contamination and eutrophication, as well as important impacts related to water management strategies and water supply (e.g., water level fluctuations). Oxygen dynamics, a method left behind in the past, has been revised and is now being increasingly implemented to estimate primary production and ecosystem respiration due to the urgency to understand carbon fluxes in aquatic systems. Therefore, the details (advantages and disadvantages) of modern implementation of oxygen dynamics are revised and discussed here, particularly oriented to facilitate and promote their application in tropical aquatic systems, where it seems an adequate strategy. We suggest a unifying method pipeline in order to obtain comparable results among systems, towards the construction of a carbon flux inventory at larger (spatial and temporal) scales. This effort would contribute to understand the role and responses of tropical aquatic systems and regions (particularly as carbon sources or sinks) facing Global Change.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[metabolismo]]></kwd>
<kwd lng="es"><![CDATA[oxígeno]]></kwd>
<kwd lng="es"><![CDATA[biogeoquímica]]></kwd>
<kwd lng="es"><![CDATA[heterotrofía]]></kwd>
<kwd lng="es"><![CDATA[producción]]></kwd>
<kwd lng="es"><![CDATA[respiración]]></kwd>
<kwd lng="es"><![CDATA[cambio global]]></kwd>
<kwd lng="es"><![CDATA[escalamiento]]></kwd>
<kwd lng="en"><![CDATA[Metabolism]]></kwd>
<kwd lng="en"><![CDATA[oxygen]]></kwd>
<kwd lng="en"><![CDATA[biogeochemistry]]></kwd>
<kwd lng="en"><![CDATA[heterotrophic]]></kwd>
<kwd lng="en"><![CDATA[production]]></kwd>
<kwd lng="en"><![CDATA[respiration]]></kwd>
<kwd lng="en"><![CDATA[Global Change]]></kwd>
<kwd lng="en"><![CDATA[upscaling]]></kwd>
</kwd-group>
</article-meta>
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