<?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>2305-0683</journal-id>
<journal-title><![CDATA[Investigación Agraria]]></journal-title>
<abbrev-journal-title><![CDATA[Investig. Agrar.]]></abbrev-journal-title>
<issn>2305-0683</issn>
<publisher>
<publisher-name><![CDATA[Facultad de Ciencias Agrarias, UNA.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2305-06832019000100054</article-id>
<article-id pub-id-type="doi">10.18004/investig.agrar.2019.junio.54-64</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Delimitación por SIG de un área de la ecorregión Chaco Húmedo a la margen derecha del río Paraguay]]></article-title>
<article-title xml:lang="en"><![CDATA[SIG delimitation of an area of the ecoregion Humid Chaco to the right bank of the Paraguay river]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Imaña Encinas]]></surname>
<given-names><![CDATA[José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Campos da Nóbrega]]></surname>
<given-names><![CDATA[Ricardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Woo]]></surname>
<given-names><![CDATA[Jong-Choon]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Oliveira Ramos]]></surname>
<given-names><![CDATA[Natália]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Centro Agronómico Tropical de Investigación y Enseñanza, Programa de Producción y Conservación de Bosques  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Brasileño del Medio Ambiente y de los Recursos Naturales Renovables  ]]></institution>
<addr-line><![CDATA[Brasilia ]]></addr-line>
<country>Brasil</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Kangwoon National University Forestry Faculty ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Corea del Sur</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidade de Brasília Ingenieria Forestal ]]></institution>
<addr-line><![CDATA[Brasilia ]]></addr-line>
<country>Brazil</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2019</year>
</pub-date>
<volume>21</volume>
<numero>1</numero>
<fpage>54</fpage>
<lpage>64</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_arttext&amp;pid=S2305-06832019000100054&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_abstract&amp;pid=S2305-06832019000100054&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_pdf&amp;pid=S2305-06832019000100054&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN El objetivo del estudio fue clasificar 80.246 hectáreas de la margen derecha del río Paraguay pertenecientes a la ecorregión Chaco Húmedo. En dos ocasiones, en 2000 y 2016 se interpretó la cobertura vegetal y el uso del suelo de esa área. En el año 2000 a través del análisis de una carta imagen, en escala 1:50.000, por la teledetección fueron delimitadas y diferenciadas seis tipologías de paisajes. Se analizó 16 años más tarde, los posibles cambios ocurridos de las pertinentes superficies de las seis tipologías de paisaje. Para el año 2016, la superficie ocupada por el bosque húmedo chaqueño no inundable fue de 31.494 ha, bosque húmedo chaqueño inundable 27.986 ha, karanda´y 9.190 ha, vegetación arbustiva de áreas inundadas 6.058 ha, área ocupada por asentamientos humanos 4.210 ha y los cuerpos de agua 1.308 ha. De ese total, 44% del área se identificó como permanentemente inundada, 16% temporalmente inundada y el área no inundable correspondió a 40%. Se verificó que, en el transcurso de 16 años, la superficie ocupada por los asentamientos humanos tuvo un aumento de más de tres mil porcientos, mientras que las demás tipologías de paisaje definidas no sufrieron consistentes alteraciones.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT The objective of the study was to classify 80,246 hectares on the right bank of the Paraguay river belonging to the Chaco Humid region. On two occasions, in 2000 and 2016, was interpreted the vegetal cover and the land use of this area. In the year 2000, through the analysis of the satellite image interpretation on a scale of 1:50,000 were delimited and differentiated six landscapes units. Sixteen years later, it was analyzed the possible changes occurring of the pertinent surfaces of the six landscape units. For the year 2016, the area occupied by non-flooded humid Chaco forest was 31,494 ha, flooded humid Chaco forest 27,986 ha, palm area - karanda´y 9,190 ha, shrub vegetation of flooded areas 6,058 ha, anthropic area 4,210 ha and water reservoirs 1,308 ha. From the total area, 44 %of the was identified as permanently flooded,16% temporarily flooded and the non-flooded area corresponded to 40%. It was verified that, over the course of 16 years, the area occupied by human settlements has an increase of more than three thousand percent, while the other defined landscape units did not show consistent changes.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Bosque húmedo]]></kwd>
<kwd lng="es"><![CDATA[Chaco]]></kwd>
<kwd lng="es"><![CDATA[ecología de paisajes]]></kwd>
<kwd lng="es"><![CDATA[teledetección]]></kwd>
<kwd lng="en"><![CDATA[Humid forest]]></kwd>
<kwd lng="en"><![CDATA[Chaco]]></kwd>
<kwd lng="en"><![CDATA[landscape ecology]]></kwd>
<kwd lng="en"><![CDATA[remote sensing]]></kwd>
</kwd-group>
</article-meta>
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