<?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>2215-3896</journal-id>
<journal-title><![CDATA[Revista de Ciencias Ambientales]]></journal-title>
<abbrev-journal-title><![CDATA[Ciencias Ambientales]]></abbrev-journal-title>
<issn>2215-3896</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2215-38962024000200001</article-id>
<article-id pub-id-type="doi">10.15359/rca.58-2.1</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Caracterización acústica de fincas bajo pago por servicios ambientales en la Reserva Forestal Golfo Dulce, Costa Rica]]></article-title>
<article-title xml:lang="en"><![CDATA[Acoustic characterization of private lands under payment for environmental services at Golfo Dulce Forest Reserve, Costa Rica]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Barrantes-Madrigal]]></surname>
<given-names><![CDATA[Jimmy]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Retamosa-Izaguirre]]></surname>
<given-names><![CDATA[Mónica]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bedoya-Arrieta]]></surname>
<given-names><![CDATA[Ricardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valerio-Madrigal]]></surname>
<given-names><![CDATA[Adriana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez-Alpízar]]></surname>
<given-names><![CDATA[Jonathan]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Internacional en Conservación y Manejo de Vida Silvestre  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Internacional en Conservación y Manejo de Vida Silvestre  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Fondo Nacional de Financiamiento Forestal Departamento de Propuestas ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Fondo Nacional de Financiamiento Forestal Departamento de Propuestas ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Fondo Nacional de Financiamiento Forestal Departamento de Propuestas ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2024</year>
</pub-date>
<volume>58</volume>
<numero>2</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S2215-38962024000200001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S2215-38962024000200001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S2215-38962024000200001&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  (Introducción):  En Latinoamérica, la sensible biodiversidad tropical que se encuentra fuera de las áreas silvestres protegidas está bajo amenaza. En Costa Rica, el pago por servicios ambientales (PSA) representa un mecanismo para proteger bosques en fincas privadas, pero carece de indicadores específicos sobre el estado de la biodiversidad y de conservación de los bosques.  (Objetivo):  Analizar el uso del monitoreo acústico para la evaluación de ecosistemas en 11 sitios en la Península de Osa: 9 en fincas privadas y 2 sitios dentro del Parque Nacional Corcovado.  (Metodología):  Se grabaron paisajes sonoros del 25 de mayo al 01 de junio del 2021, utilizando grabadoras acústicas. Se estudia el comportamiento de 6 índices acústicos en cada sitio de muestreo y se aplicó un análisis de detección automatizada de vocalizaciones de 2 especies de aves representativas de la zona.  (Resultados):  Se encuentra que los sitios más fragmentados presentaron mayor actividad, energía y diversidad acústica, posiblemente por efectos de borde y ecotonos presentes, así como un alto componente de bosque en la matriz circundante. La detección automatizada de vocalizaciones indicó que la especie Hylopezus perspicillatus resultó ser más sensible a las diferencias en el paisaje que Trogon bairdii.  (Conclusiones):  El uso de índices acústicos, aunque asocia rasgos del grado de conservación del bosque, no resultó un elemento diferenciador de la calidad del ecosistema en las fincas evaluadas, pero el monitoreo de especies mediante la detección de sus vocalizaciones sí resultó promisorio. Es recomendable un diseño de muestreo metódico y riguroso, con más puntos de muestreo por sitio, para lograr mediciones precisas y evitar sesgos en el análisis.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  (Introduction):  In Latin America, the sensitive tropical biodiversity found outside of protected wilderness areas is under threat. In Costa Rica, the payment for environmental services (PSA) represents a mechanism to protect forests on private farms, but it lacks specific indicators on the state of biodiversity and forest conservation.  (Objective):  To analyze the use of acoustic monitoring for ecosystem assessment at 11 sites in the Osa Peninsula, nine on private farms, and two sites within Corcovado National Park.  (Methods):  Soundscapes were recorded from May 25 to June 1, 2021, using acoustic recorders. It was analyzed the behavior of six acoustic indices at each sampling site and applied an automated detection analysis of vocalizations of two representative bird species of the area.  (Results):  It was found that the most fragmented sites presented higher activity, energy, and acoustic diversity, possibly due to edge effects and ecotones present, as well as a high forest component in the surrounding matrix. Automated vocalization detection indicated that the species Hylopezus perspicillatus turned out to be more sensitive to differences in the landscape than Trogon bairdii.  (Conclusions):  The use of acoustic indices, although it associates features of the degree of conservation, was not a differentiating element of the quality of the ecosystem in the evaluated farms. The monitoring of species through the detection of their vocalizations was promising. A careful and rigorous sampling design, with more sampling points per site, is recommended to achieve accurate measurements and avoid bias in the analysis.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[conservación]]></kwd>
<kwd lng="es"><![CDATA[detección automatizada]]></kwd>
<kwd lng="es"><![CDATA[índices acústicos]]></kwd>
<kwd lng="es"><![CDATA[monitoreo acústico]]></kwd>
<kwd lng="es"><![CDATA[paisaje sonoro]]></kwd>
<kwd lng="en"><![CDATA[acoustic indices]]></kwd>
<kwd lng="en"><![CDATA[acoustic monitoring]]></kwd>
<kwd lng="en"><![CDATA[automatic detection]]></kwd>
<kwd lng="en"><![CDATA[conservation]]></kwd>
<kwd lng="en"><![CDATA[soundscape]]></kwd>
</kwd-group>
</article-meta>
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