<?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>0122-9761</journal-id>
<journal-title><![CDATA[Boletín de Investigaciones Marinas y Costeras - INVEMAR]]></journal-title>
<abbrev-journal-title><![CDATA[Bol. Invest. Mar. Cost.]]></abbrev-journal-title>
<issn>0122-9761</issn>
<publisher>
<publisher-name><![CDATA[INSTITUTO DE INVESTIGACIONES MARINAS Y COSTERAS "JOSE BENITO VIVES DE ANDRÉIS" (INVEMAR)    INSTITUTO DE INVESTIGACIONES MARINAS Y COSTERAS -JOSE BENITO VIVES DE ANDRÉIS- (INVEMAR)]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0122-97612020000300073</article-id>
<article-id pub-id-type="doi">10.25268/bimc.invemar.2020.49.suplesp.1094</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Distribution and abundance of shorebirds in tidal flats of Sanquianga National Natural Park and the mouth of Iscuandé, Nariño (Colombia), between 2009 and 2020]]></article-title>
<article-title xml:lang="es"><![CDATA[Distribución y abundancia de las aves playeras en planos intermareales del Parque Nacional Natural Sanquianga y la bocana de Iscuandé, Nariño (Colombia), entre 2009 y 2020]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Johnston-González]]></surname>
<given-names><![CDATA[Richard]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Eusse-González]]></surname>
<given-names><![CDATA[Diana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Valencia-Martínez]]></surname>
<given-names><![CDATA[Natasha]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Simon Fraser University  ]]></institution>
<addr-line><![CDATA[Vancouver ]]></addr-line>
<country>Canada</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Asociación para el Estudio y Conservación de las Aves Acuáticas en Colombia (Calidris)  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad del Valle Grupo de investigación en Ecología de Estuarios y Manglares (Ecomanglares) ]]></institution>
<addr-line><![CDATA[Cali ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<volume>49</volume>
<fpage>73</fpage>
<lpage>94</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0122-97612020000300073&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0122-97612020000300073&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0122-97612020000300073&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT 11 % of shorebirds using the American Pacific Flyway are declining and an additional 46 % have no information to estimate their population status. To understand the magnitude of these changes and their causes, baseline information is required especially at sites of concentration like the mouth of Iscuandé River (IS) and the Sanquianga National Natural Park (SNNP). To characterize the composition of shorebird communities there, ten years of standardized counts were analyzed. Using proportional abundance, prevalence and mean density of each location, it was evaluated differences between sites with a different marine influence of the Patía River. IS contributed to 63 % of the average abundance in the study area, where 80 % were small shorebirds. Shorebird abundance in SNNP was 40-60 % among large and small birds, and the contribution of each mouth was proportional to the area sampled. These results show that IS and SNNP host different communities of shorebirds. This spatial heterogeneity has important ecological and conservation implications. The change in their taxonomic and size group composition suggests important differences in intertidal habitat and the organisms who inhabit it and also offers alternatives for the conservation of different assemblages of species.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN 11 % de las aves playeras del corredor migratorio del Pacífico americano están disminuyendo y otro 46 % no cuenta con información para estimar su estado poblacional. Para entender la magnitud y las causas de estos cambios, se requiere información de sitios de concentración como la bocana de Iscuandé (IS) y el Parque Nacional Natural Sanquianga (PNNS). Para caracterizar la composición de las comunidades de aves playeras en estos sitios, se analizaron diez años de conteo. A partir de la abundancia proporcional, la prevalencia y la densidad media de cada localidad, se evaluó si existían diferencias entre sitios con diferente influencia marina y del río Patía. IS aportó el 63 % de la abundancia promedio, siendo el 80 % aves playeras pequeñas. En PNNS, la abundancia se repartió 40-60 % entre aves grandes y pequeñas, y la contribución de cada bocana fue proporcional al área muestreada. Estos resultados muestran que los dos sitios tienen comunidades diferentes de aves playeras. Esta heterogeneidad espacial tiene importantes implicaciones ecológicas y de conservación. El recambio en la composición taxonómica y por grupos de tamaño de aves playeras sugiere diferencias en el hábitat intermareal y en los organismos que lo habitan, lo que ofrece alternativas para la conservación de diferentes especies.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[shorebirds]]></kwd>
<kwd lng="en"><![CDATA[tidal flats]]></kwd>
<kwd lng="en"><![CDATA[spatial variation]]></kwd>
<kwd lng="en"><![CDATA[Colombian Pacific]]></kwd>
<kwd lng="es"><![CDATA[aves playeras]]></kwd>
<kwd lng="es"><![CDATA[planos intermareales]]></kwd>
<kwd lng="es"><![CDATA[variación espacial]]></kwd>
<kwd lng="es"><![CDATA[Pacífico colombiano.]]></kwd>
</kwd-group>
</article-meta>
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