<?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>S2007-24222018000200058</article-id>
<article-id pub-id-type="doi">10.24850/j-tyca-2018-02-03</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Valoración económica de servicios ecosistémicos en la cuenca del río Aconcagua, Chile]]></article-title>
<article-title xml:lang="en"><![CDATA[Economic valuation of ecosystem services in the Aconcagua River watershed of Chile]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Huenchuleo]]></surname>
<given-names><![CDATA[Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Kartzow]]></surname>
<given-names><![CDATA[Alejandro de]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Pontificia Universidad Católica de Valparaíso Escuela de Agronomía ]]></institution>
<addr-line><![CDATA[Quillota ]]></addr-line>
<country>Chile</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Pontificia Universidad Católica de Valparaíso Escuela de Agronomía ]]></institution>
<addr-line><![CDATA[Quillota ]]></addr-line>
<country>Chile</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2018</year>
</pub-date>
<volume>9</volume>
<numero>2</numero>
<fpage>58</fpage>
<lpage>85</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-24222018000200058&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-24222018000200058&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-24222018000200058&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Las preferencias de las comunidades rurales por mejoras en los servicios ecosistémicos de las cuencas hidrográficas, así como los factores que determinan la valoración de estos servicios no han sido lo suficientemente estudiados en los países en desarrollo. A través de una encuesta se realizó la valoración económica de los servicios ecosistémicos por parte de agricultores de la cuenca del río Aconcagua, en Chile central, utilizando el método experimento de elección. Se estudiaron atributos de los servicios ambientales relacionados con la condición de la flora y fauna del río, seguridad en la disponibilidad de agua para riego, protección de la calidad del agua y la capacidad de almacenamiento de agua en la cuenca. Además, se identificaron los factores actitudinales y socioeconómicos que determinan la disposición a pagar (DAP) de los agricultores por mejoras en la protección de los servicios ecosistémicos. Todos los atributos estudiados fueron determinantes significativos de la DAP por la implementación de políticas para mejorar la situación actual. Los agricultores de menor edad, menos años de educación, bajos ingresos y que arriendan el predio donde trabajan estuvieron menos dispuestos a pagar por mejoras en la protección de servicios ecosistémicos. Los encuestados que declararon contar con insuficiente dinero para pagar, escasa información para tomar una decisión y que consideraron injusto el pago estuvieron más reacios a pagar por mejoras ambientales. Este estudio demostró la contribución de las variables demográficas y actitudinales para comprender las preferencias de los entrevistados por una mejor protección de las cuencas hidrográficas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The preferences of rural communities for improvements in ecosystem services within a watershed, such as the factors that determine the valuation of those services, have not been studied sufficiently in developing countries. By administering a questionnaire, the value placed on ecosystem services by farmers in the Aconcagua River watershed in central Chile was determined using a choice experiment method. Environmental services attributes related to the condition of the river&#8217;s flora and fauna, the security of water availability for irrigation, the protection of water quality, and the watershed&#8217;s water storage capacity were studied. Attitudinal and socio-economic factors that determine farmers&#8217; Willingness to Pay (WTP) for improvements that protect ecosystem services were also identified. All the attributes considered in the study were found to be significant in terms of WTP for the implementation of policies to improve the current situation. Younger farmers with fewer years of education and lower incomes and who leased the fields they worked were less willing to pay for improvements to protect ecosystem services. The interviewees who stated they had insufficient funds to pay, little information to make decisions and felt the payment was unfair were also more reluctant to pay for environmental improvements. This study contributes to the understanding of demographic and attitudinal variables in interviewee preferences for improving the protection of watersheds.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[servicios ecosistémicos]]></kwd>
<kwd lng="es"><![CDATA[valoración económica]]></kwd>
<kwd lng="es"><![CDATA[preferencias]]></kwd>
<kwd lng="es"><![CDATA[recurso hídrico]]></kwd>
<kwd lng="es"><![CDATA[actitudes]]></kwd>
<kwd lng="es"><![CDATA[Chile]]></kwd>
<kwd lng="en"><![CDATA[Ecosystem services]]></kwd>
<kwd lng="en"><![CDATA[economic valuation]]></kwd>
<kwd lng="en"><![CDATA[preferences]]></kwd>
<kwd lng="en"><![CDATA[water resources]]></kwd>
<kwd lng="en"><![CDATA[attitudes]]></kwd>
<kwd lng="en"><![CDATA[Chile]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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