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	<title>Lecturas pesca &#8211; Aguas Amazonicas</title>
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	<link>https://aguasamazonicas.org</link>
	<description>Conservando la Cuenca Amazónica</description>
	<lastBuildDate>Mon, 30 Mar 2026 18:13:25 +0000</lastBuildDate>
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	<title>Lecturas pesca &#8211; Aguas Amazonicas</title>
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		<title>Pesquerías de la Amazonía: Cartografía de las iniciativas de gestión y seguimiento</title>
		<link>https://aguasamazonicas.org/download/pesquerias-de-la-amazonia-cartografia</link>
		
		<dc:creator><![CDATA[Gabriela Merizalderubio]]></dc:creator>
		<pubDate>Mon, 30 Mar 2026 18:07:59 +0000</pubDate>
				<guid isPermaLink="false">https://aguasamazonicas.org/?post_type=download&#038;p=33857</guid>

					<description><![CDATA[<p>&#160; Esta publicación mapea y caracteriza iniciativas de manejo y monitoreo de la pesca de agua dulce en la cuenca amazónica. Comprender la ubicación y las características de estas iniciativas es esencial para fundamentar decisiones de manejo, identificar lagunas en la conservación o protección y fortalecer las acciones conservacionistas. Esto también permite identificar oportunidades para aumentar o mantener la conectividad [&#8230;]</p>
<p>The post <a rel="nofollow" href="https://aguasamazonicas.org/download/pesquerias-de-la-amazonia-cartografia">Pesquerías de la Amazonía: Cartografía de las iniciativas de gestión y seguimiento</a> appeared first on <a rel="nofollow" href="https://aguasamazonicas.org">Aguas Amazonicas</a>.</p>
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										<content:encoded><![CDATA[<p>&nbsp;</p>
<p style="text-align: center;"><a href="https://www.freshwaterfisheries.org/pt/historias/pesca-na-amazonia-mapeamento/" target="_blank" rel="noopener"><img fetchpriority="high" decoding="async" class="alignnone wp-image-33855 size-medium" src="https://aguasamazonicas.org/wp-content/uploads/2026/03/Pesca-na-Amazonia-231x300.png" alt="Pesquerías de la Amazonía: Cartografía de las iniciativas de gestión y seguimiento" width="231" height="300" title="Pesquerías de la Amazonía: Cartografía de las iniciativas de gestión y seguimiento 2" srcset="https://aguasamazonicas.org/wp-content/uploads/2026/03/Pesca-na-Amazonia-231x300.png 231w, https://aguasamazonicas.org/wp-content/uploads/2026/03/Pesca-na-Amazonia-790x1024.png 790w, https://aguasamazonicas.org/wp-content/uploads/2026/03/Pesca-na-Amazonia-768x996.png 768w, https://aguasamazonicas.org/wp-content/uploads/2026/03/Pesca-na-Amazonia-1000x1297.png 1000w, https://aguasamazonicas.org/wp-content/uploads/2026/03/Pesca-na-Amazonia.png 1118w" sizes="(max-width: 231px) 100vw, 231px" /></a></p>
<p><span data-sd-animate="true">Esta</span> <span data-sd-animate="true">publicación</span> <span data-sd-animate="true">mapea</span> <span data-sd-animate="true">y</span> <span data-sd-animate="true">caracteriza</span> <span data-sd-animate="true">iniciativas</span> <span data-sd-animate="true">de</span> <span data-sd-animate="true">manejo</span> <span data-sd-animate="true">y</span> <span data-sd-animate="true">monitoreo</span> <span data-sd-animate="true">de</span> <span data-sd-animate="true">la</span> <span data-sd-animate="true">pesca</span> <span data-sd-animate="true">de</span> <span data-sd-animate="true">agua</span> <span data-sd-animate="true">dulce</span> <span data-sd-animate="true">en</span> <span data-sd-animate="true">la</span> <span data-sd-animate="true">cuenca</span> <span data-sd-animate="true">amazónica.</span> <span data-sd-animate="true">Comprender</span> <span data-sd-animate="true">la</span> <span data-sd-animate="true">ubicación</span> <span data-sd-animate="true">y</span> <span data-sd-animate="true">las</span> <span data-sd-animate="true">características</span> <span data-sd-animate="true">de</span> <span data-sd-animate="true">estas</span> <span data-sd-animate="true">iniciativas</span> <span data-sd-animate="true">es</span> <span data-sd-animate="true">esencial</span> <span data-sd-animate="true">para</span> <span data-sd-animate="true">fundamentar</span> <span data-sd-animate="true">decisiones</span> <span data-sd-animate="true">de</span> <span data-sd-animate="true">manejo,</span> <span data-sd-animate="true">identificar</span> <span data-sd-animate="true">lagunas</span> <span data-sd-animate="true">en</span> <span data-sd-animate="true">la</span> <span data-sd-animate="true">conservación</span> <span data-sd-animate="true">o</span> <span data-sd-animate="true">protección</span> <span data-sd-animate="true">y</span> <span data-sd-animate="true">fortalecer</span> <span data-sd-animate="true">las</span> <span data-sd-animate="true">acciones</span> <span data-sd-animate="true">conservacionistas.</span> <span data-sd-animate="true">Esto</span> <span data-sd-animate="true">también</span> <span data-sd-animate="true">permite</span> <span data-sd-animate="true">identificar</span> <span data-sd-animate="true">oportunidades</span> <span data-sd-animate="true">para</span> <span data-sd-animate="true">aumentar</span> <span data-sd-animate="true">o</span> <span data-sd-animate="true">mantener</span> <span data-sd-animate="true">la</span> <span data-sd-animate="true">conectividad</span> <span data-sd-animate="true">acuática,</span> <span data-sd-animate="true">vital</span> <span data-sd-animate="true">para</span> <span data-sd-animate="true">ecosistemas</span> <span data-sd-animate="true">y</span> <span data-sd-animate="true">hábitats</span> <span data-sd-animate="true">de</span> <span data-sd-animate="true">agua</span> <span data-sd-animate="true">dulce</span> <span data-sd-animate="true">saludables</span> <span data-sd-animate="true">y</span> <span data-sd-animate="true">resilientes.</span></p>
<p><span data-sd-animate="true">Gracias</span> <span data-sd-animate="true">al</span> <span data-sd-animate="true">marco</span> <span data-sd-animate="true">de</span> <span data-sd-animate="true">colaboración</span> <span data-sd-animate="true">entre</span> <span data-sd-animate="true">los</span> <span data-sd-animate="true">socios</span> <span data-sd-animate="true">de</span> <span data-sd-animate="true">la</span> <span data-sd-animate="true">Alianza</span> <span data-sd-animate="true">de</span> <span data-sd-animate="true">Aguas</span> <span data-sd-animate="true">Amazónicas,</span> <span data-sd-animate="true">en</span> <span data-sd-animate="true">este</span> <span data-sd-animate="true">proyecto</span> <span data-sd-animate="true">se</span> <span data-sd-animate="true">identificaron</span> <span data-sd-animate="true">un</span> <span data-sd-animate="true">total</span> <span data-sd-animate="true">de</span> <span data-sd-animate="true">155</span> <span data-sd-animate="true">iniciativas</span> <span data-sd-animate="true">de</span> <span data-sd-animate="true">manejo</span> <span data-sd-animate="true">pesquero</span> <span data-sd-animate="true">en</span> <span data-sd-animate="true">cuatro</span> <span data-sd-animate="true">países</span> <span data-sd-animate="true">de</span> <span data-sd-animate="true">la</span> <span data-sd-animate="true">región</span> <span data-sd-animate="true">amazónica.</span> <span data-sd-animate="true">La</span> <span data-sd-animate="true">mayoría</span> <span data-sd-animate="true">de</span> <span data-sd-animate="true">estas</span> <span data-sd-animate="true">áreas</span> <span data-sd-animate="true">se</span> <span data-sd-animate="true">encuentra</span> <span data-sd-animate="true">en</span> <span data-sd-animate="true">Brasil</span> <span data-sd-animate="true">(75</span> <span data-sd-animate="true">%)</span> <span data-sd-animate="true">y</span> <span data-sd-animate="true">Perú</span> <span data-sd-animate="true">(22</span> <span data-sd-animate="true">%).</span> <span data-sd-animate="true">En</span> <span data-sd-animate="true">Brasil,</span> <span data-sd-animate="true">el</span> <span data-sd-animate="true">estado</span> <span data-sd-animate="true">de</span> <span data-sd-animate="true">Amazonas</span> <span data-sd-animate="true">presenta</span> <span data-sd-animate="true">el</span> <span data-sd-animate="true">mayor</span> <span data-sd-animate="true">número</span> <span data-sd-animate="true">(98),</span> <span data-sd-animate="true">seguido</span> <span data-sd-animate="true">por</span> <span data-sd-animate="true">el</span> <span data-sd-animate="true">estado</span> <span data-sd-animate="true">de</span> <span data-sd-animate="true">Pará</span> <span data-sd-animate="true">(13).</span> <span data-sd-animate="true">En</span> <span data-sd-animate="true">Perú,</span> <span data-sd-animate="true">el</span> <span data-sd-animate="true">departamento</span> <span data-sd-animate="true">de</span> <span data-sd-animate="true">Loreto</span> <span data-sd-animate="true">lidera</span> <span data-sd-animate="true">con</span> <span data-sd-animate="true">21,</span> <span data-sd-animate="true">seguido</span> <span data-sd-animate="true">por</span> <span data-sd-animate="true">Ucayali</span> <span data-sd-animate="true">con</span> <span data-sd-animate="true">13</span> <span data-sd-animate="true">iniciativas</span> <span data-sd-animate="true">de</span> <span data-sd-animate="true">manejo</span> <span data-sd-animate="true">pesquero.</span></p>
<p>The post <a rel="nofollow" href="https://aguasamazonicas.org/download/pesquerias-de-la-amazonia-cartografia">Pesquerías de la Amazonía: Cartografía de las iniciativas de gestión y seguimiento</a> appeared first on <a rel="nofollow" href="https://aguasamazonicas.org">Aguas Amazonicas</a>.</p>
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		<title>Quantitative impacts of hydroelectric dams on the trans-Amazonian migrations of goliath catfish</title>
		<link>https://aguasamazonicas.org/download/impacts-of-hydroelectric-dams-catfish</link>
		
		<dc:creator><![CDATA[Gabriela Merizalderubio]]></dc:creator>
		<pubDate>Mon, 18 Nov 2024 14:43:05 +0000</pubDate>
				<guid isPermaLink="false">https://aguasamazonicas.org/?post_type=download&#038;p=28857</guid>

					<description><![CDATA[<p>&#160; Impacts of hydroelectric dams ABSTRACT Hydropower expansion is increasingly responsible for connectivity and biodiversity loss in freshwater ecosystems. The Amazon basin, which supports the highest level of freshwater biodiversity globally, faces such unplanned expansion. Here, we demonstrate and quantify the impacts of two major hydroelectric dams on the Madeira River on the trans-Amazonian movements of one apex predatory catfish [&#8230;]</p>
<p>The post <a rel="nofollow" href="https://aguasamazonicas.org/download/impacts-of-hydroelectric-dams-catfish">Quantitative impacts of hydroelectric dams on the trans-Amazonian migrations of goliath catfish</a> appeared first on <a rel="nofollow" href="https://aguasamazonicas.org">Aguas Amazonicas</a>.</p>
]]></description>
										<content:encoded><![CDATA[<p>&nbsp;</p>
<p style="text-align: center;"><a href="https://conbio.onlinelibrary.wiley.com/doi/epdf/10.1111/conl.13046" target="_blank" rel="noopener"><img decoding="async" class="alignnone wp-image-28858 size-medium" src="https://aguasamazonicas.org/wp-content/uploads/2024/11/quantitative-impacts-hydroelectric-dams-228x300.png" alt="Quantitative impacts of hydroelectric dams on the trans-Amazonian migrations of goliath catfish" width="228" height="300" title="Quantitative impacts of hydroelectric dams on the trans-Amazonian migrations of goliath catfish 4" srcset="https://aguasamazonicas.org/wp-content/uploads/2024/11/quantitative-impacts-hydroelectric-dams-228x300.png 228w, https://aguasamazonicas.org/wp-content/uploads/2024/11/quantitative-impacts-hydroelectric-dams.png 641w" sizes="(max-width: 228px) 100vw, 228px" /></a></p>
<h3>Impacts of hydroelectric dams</h3>
<h3><strong>ABSTRACT<br />
</strong></h3>
<p>Hydropower expansion is increasingly responsible for connectivity and biodiversity loss in freshwater ecosystems. The Amazon basin, which supports the highest level of freshwater biodiversity globally, faces such unplanned expansion. Here, we demonstrate and quantify the impacts of two major hydroelectric dams on the Madeira River on the trans-Amazonian movements of one apex predatory catfish (<i>Brachyplatystoma rousseauxii</i>) performing the longest migration known in freshwaters. Using otolith microchemistry, we show that above the dams, the former basin-wide homing migration between the breeding grounds in the upper Madeira and the nursery in the Amazon estuary has now been replaced by residency. We found evidence suggesting downstream migration of juvenile fish past dams into the Amazon estuary and that some of them home back to the Madeira. However, we did not find evidence that the fish homing back from the estuary can access their breeding grounds in the upper Madeira; they remain blocked below the dams. Our results provide undisputable evidence that the conservation of the species primarily requires the reestablishment of connectivity with the construction of efficient fishways.</p>
<p><strong>Keywords:</strong> <span dir="ltr" role="presentation">Brachyplatystoma</span><span dir="ltr" role="presentation">, breeding area, estuary recruitment, landlocked population, Madeira River, </span><span dir="ltr" role="presentation">natal homing, residency</span></p>
<p><strong>Authors: </strong><span class="accordion-tabbed__tab-mobile accordion__closed">Marília Hauser<i class="icon-mail_outline" aria-hidden="true"></i><span class="comma-separator">, </span></span><span class="accordion-tabbed__tab-mobile accordion__closed">Carolina R. C. Doria<span class="comma-separator">, </span></span><span class="accordion-tabbed__tab-mobile accordion__closed">Christophe Pécheyran<span class="comma-separator">, </span></span><span class="accordion-tabbed__tab-mobile accordion__closed">Emmanuel Ponzevera<span class="comma-separator">, </span></span><span class="accordion-tabbed__tab-mobile accordion__closed">Jacques Panfili<span class="comma-separator">, </span></span><span class="accordion-tabbed__tab-mobile accordion__closed">Gislene Torrente-Vilara<span class="comma-separator">, </span></span><span class="accordion-tabbed__tab-mobile accordion__closed">Jean-François Renno<span class="comma-separator">, </span></span><span class="accordion-tabbed__tab-mobile accordion__closed">Carlos Edward Freitas<span class="comma-separator">, </span></span><span class="accordion-tabbed__tab-mobile accordion__closed">Carmen García-Dávila<span class="comma-separator">, </span></span><span class="accordion-tabbed__tab-mobile accordion__closed">Fabrice Duponchelle</span></p>
<p><strong>Journal:</strong> <a class="title" href="https://conbio.onlinelibrary.wiley.com/journal/1755263x" target="_blank" rel="noopener">Conservation Letters</a></p>
<p>&nbsp;</p>
<h3><strong>RESUMEN</strong></h3>
<h3><strong>Impactos cuantitativos de las represas hidroeléctricas en las migraciones transamazónicas del bagre dorado</strong></h3>
<p>La expansión de la energía hidroeléctrica es responsable, cada vez más, de la pérdida de conectividad y biodiversidad en los ecosistemas de agua dulce. La Cuenca Amazónica, que alberga el mayor nivel de biodiversidad de agua dulce a nivel mundial, enfrenta esta expansión no planificada. En este estudio, demostramos y cuantificamos los impactos de dos importantes represas hidroeléctricas en el río Madeira sobre los movimientos transamazónicos de un bagre depredador principal (<em>Brachyplatystoma rousseauxii</em>) que realiza la migración más extensa conocida en aguas dulces. Mediante el uso de microquímica de otolitos, mostramos que, por encima de las represas, la antigua migración de retorno a escala de cuenca entre las áreas de reproducción en la parte alta del Madeira y la zona de crianza en el estuario del Amazonas ha sido reemplazada por una residencia. Encontramos evidencia que sugiere la migración río abajo de peces juveniles más allá de las represas hacia el estuario del Amazonas, y que algunos de ellos regresan al Madeira. Sin embargo, no encontramos evidencia de que los peces que retornan desde el estuario puedan acceder a sus áreas de reproducción en la parte alta del Madeira; estas permanecen bloqueadas bajo las represas. Nuestros resultados proporcionan evidencia indiscutible de que la conservación de la especie requiere prioritariamente el restablecimiento de la conectividad mediante la construcción de vías de paso para peces eficientes.</p>
<p><strong>Palabras clave:</strong> <em>Brachyplatystoma</em>, área de reproducción, población aislada, río Madeira, retorno natal, residencia.</p>
<p><strong>Autores: </strong><span class="accordion-tabbed__tab-mobile accordion__closed">Marília Hauser<i class="icon-mail_outline" aria-hidden="true"></i><span class="comma-separator">, </span></span><span class="accordion-tabbed__tab-mobile accordion__closed">Carolina R. C. Doria<span class="comma-separator">, </span></span><span class="accordion-tabbed__tab-mobile accordion__closed">Christophe Pécheyran<span class="comma-separator">, </span></span><span class="accordion-tabbed__tab-mobile accordion__closed">Emmanuel Ponzevera<span class="comma-separator">, </span></span><span class="accordion-tabbed__tab-mobile accordion__closed">Jacques Panfili<span class="comma-separator">, </span></span><span class="accordion-tabbed__tab-mobile accordion__closed">Gislene Torrente-Vilara<span class="comma-separator">, </span></span><span class="accordion-tabbed__tab-mobile accordion__closed">Jean-François Renno<span class="comma-separator">, </span></span><span class="accordion-tabbed__tab-mobile accordion__closed">Carlos Edward Freitas<span class="comma-separator">, </span></span><span class="accordion-tabbed__tab-mobile accordion__closed">Carmen García-Dávila<span class="comma-separator">, </span></span><span class="accordion-tabbed__tab-mobile accordion__closed">Fabrice Duponchelle</span></p>
<p><strong>Revista:</strong> <a class="title" href="https://conbio.onlinelibrary.wiley.com/journal/1755263x" target="_blank" rel="noopener">Conservation Letters</a></p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p style="text-align: center;"><a href="https://aguasamazonicas.org/download-category/papers" target="_blank" rel="noopener">Otras publicaciones</a></p>
<p>The post <a rel="nofollow" href="https://aguasamazonicas.org/download/impacts-of-hydroelectric-dams-catfish">Quantitative impacts of hydroelectric dams on the trans-Amazonian migrations of goliath catfish</a> appeared first on <a rel="nofollow" href="https://aguasamazonicas.org">Aguas Amazonicas</a>.</p>
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		<title>Morphological analyses of otoliths indicate a single population of invasive Arapaima gigas in tributaries of the Upper Madeira River (Amazon Basin)</title>
		<link>https://aguasamazonicas.org/download/otoliths-arapaima-gigaupper-madeira</link>
		
		<dc:creator><![CDATA[Gabriela Merizalderubio]]></dc:creator>
		<pubDate>Fri, 15 Nov 2024 23:10:09 +0000</pubDate>
				<guid isPermaLink="false">https://aguasamazonicas.org/?post_type=download&#038;p=28852</guid>

					<description><![CDATA[<p>&#160; ABSTRACT The present study aimed to evaluate the potential of the shape of the sagitta otolith to discriminate populations of Arapaima gigas outside their natural area of occurrence in different tributaries of the Madeira River. Otolith samples were collected at three locations along the Guaporé and Mamoré rivers. The shape of the otolith was described using 20 Fourier harmonics [&#8230;]</p>
<p>The post <a rel="nofollow" href="https://aguasamazonicas.org/download/otoliths-arapaima-gigaupper-madeira">Morphological analyses of otoliths indicate a single population of invasive Arapaima gigas in tributaries of the Upper Madeira River (Amazon Basin)</a> appeared first on <a rel="nofollow" href="https://aguasamazonicas.org">Aguas Amazonicas</a>.</p>
]]></description>
										<content:encoded><![CDATA[<p>&nbsp;</p>
<p style="text-align: center;"><a href="https://institutodepesca.org/index.php/bip/article/view/1896" target="_blank" rel="noopener"><img decoding="async" class="alignnone wp-image-28853 size-medium" src="https://aguasamazonicas.org/wp-content/uploads/2024/11/Otoliths-arapaima-upper-madeira-224x300.png" alt="Conservando la Cuenca Amazónica Aguas Amazonicas" width="224" height="300" title="Morphological analyses of otoliths indicate a single population of invasive Arapaima gigas in tributaries of the Upper Madeira River (Amazon Basin) 6" srcset="https://aguasamazonicas.org/wp-content/uploads/2024/11/Otoliths-arapaima-upper-madeira-224x300.png 224w, https://aguasamazonicas.org/wp-content/uploads/2024/11/Otoliths-arapaima-upper-madeira.png 628w" sizes="(max-width: 224px) 100vw, 224px" /></a></p>
<h3><strong>ABSTRACT<br />
</strong></h3>
<p>The present study aimed to evaluate the potential of the shape of the sagitta otolith to discriminate populations of <em>Arapaima gigas</em> outside their natural area of occurrence in different tributaries of the Madeira River. Otolith samples were collected at three locations along the Guaporé and Mamoré rivers. The shape of the otolith was described using 20 Fourier harmonics and five shape indices. No significant differences were found in the shape of the otoliths among the different sample areas, and no evidence of relevant differences between groups was observed graphically for the two methods used. The success of the global classification of the models was considered average, being 57.57% for the shape indices, and 55.54% for the Fourier coefficients. Thus, the results suggest a single population of pirarucu in different locations of the Guaporé and Mamoré rivers. However, multidisciplinary studies involving genetics, morphology, and ecology may provide more accurate guidance for determining pirarucu populations in the study region.</p>
<p><strong>Keywords:</strong> Fourier analysis, Shape indices, Fish populations, Sagitta</p>
<p><strong>Authors: </strong>Marcos de Almeida Mereles, Raniere Garcez Costa Sousa, Carlos Edwar de Carvalho Freitas</p>
<p><strong>Journal:</strong> <a class="title" href="https://institutodepesca.org/index.php/bip/issue/view/124" target="_blank" rel="noopener">Vol. 50 (2024): BOLETIM DO INSTITUTO DE PESCA </a></p>
<p>&nbsp;</p>
<h3><strong>RESUMEN</strong></h3>
<h3><strong>Confluencias de conectividad y políticas: un enfoque de conservación a múltiples escalas para proteger los ecosistemas fluviales de la Amazonía</strong></h3>
<p>El presente estudio tuvo como objetivo evaluar el potencial de la forma del otolito sagitta para discriminar poblaciones de <em>Arapaima gigas</em> fuera de su área natural de ocurrencia en diferentes afluentes del río Madeira. Se recolectaron muestras de otolitos en tres lugares a lo largo de los ríos Guaporé y Mamoré. La forma del otolito se describió utilizando 20 armónicos de Fourier y cinco índices de forma. No se encontraron diferencias significativas en la forma de los otolitos entre las diferentes áreas de muestreo, y no se observaron diferencias relevantes entre los grupos de manera gráfica con los dos métodos utilizados. El éxito de la clasificación global de los modelos se consideró promedio, siendo del 57,57% para los índices de forma y del 55,54% para los coeficientes de Fourier. Por lo tanto, los resultados sugieren una única población de pirarucú en diferentes ubicaciones de los ríos Guaporé y Mamoré. Sin embargo, estudios multidisciplinarios que involucren genética, morfología y ecología podrían proporcionar una orientación más precisa para determinar las poblaciones de pirarucú en la región de estudio.</p>
<p><strong>Palabras clave:</strong> análisis de Fourier, índices de forma, poblaciones de peces, sagitta</p>
<p><strong>Autores:</strong> Marcos de Almeida Mereles, Raniere Garcez Costa Sousa, Carlos Edwar de Carvalho Freitas</p>
<p><strong>Revista:</strong> <a class="title" href="https://institutodepesca.org/index.php/bip/issue/view/124" target="_blank" rel="noopener">Vol. 50 (2024): BOLETIM DO INSTITUTO DE PESCA </a></p>
<p>&nbsp;</p>
<p style="text-align: center;"><a href="https://aguasamazonicas.org/download-category/papers" target="_blank" rel="noopener">Otras publicaciones</a></p>
<p>The post <a rel="nofollow" href="https://aguasamazonicas.org/download/otoliths-arapaima-gigaupper-madeira">Morphological analyses of otoliths indicate a single population of invasive Arapaima gigas in tributaries of the Upper Madeira River (Amazon Basin)</a> appeared first on <a rel="nofollow" href="https://aguasamazonicas.org">Aguas Amazonicas</a>.</p>
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		<title>A synthesis of the diversity of freshwater fish migrations in the Amazon basin</title>
		<link>https://aguasamazonicas.org/download/synthesis-freshwater-fish-migrations</link>
		
		<dc:creator><![CDATA[Gabriela Merizalderubio]]></dc:creator>
		<pubDate>Fri, 08 Nov 2024 15:08:15 +0000</pubDate>
				<guid isPermaLink="false">https://aguasamazonicas.org/?post_type=download&#038;p=28712</guid>

					<description><![CDATA[<p>&#160; ABSTRACT In the Amazon, the world&#8217;s largest river basin, migrations within freshwater habitats are one of the predominant life history strategies for fishes. The flood pulse and the extensive river network provide aquatic organisms with temporal and spatial accessibility to a mosaic of freshwater habitats. Although migratory fish species are central to freshwater ecosystems and fisheries, the knowledge of [&#8230;]</p>
<p>The post <a rel="nofollow" href="https://aguasamazonicas.org/download/synthesis-freshwater-fish-migrations">A synthesis of the diversity of freshwater fish migrations in the Amazon basin</a> appeared first on <a rel="nofollow" href="https://aguasamazonicas.org">Aguas Amazonicas</a>.</p>
]]></description>
										<content:encoded><![CDATA[<p>&nbsp;</p>
<p style="text-align: center;"><a href="https://doi.org/10.1111/faf.12795" target="_blank" rel="noopener"><img loading="lazy" decoding="async" class="alignnone wp-image-28713 size-medium" src="https://aguasamazonicas.org/wp-content/uploads/2024/11/synthesis-of-the-diversity-of-freshwater-fish-migrations-229x300.png" alt="Conservando la Cuenca Amazónica Aguas Amazonicas" width="229" height="300" title="A synthesis of the diversity of freshwater fish migrations in the Amazon basin 9" srcset="https://aguasamazonicas.org/wp-content/uploads/2024/11/synthesis-of-the-diversity-of-freshwater-fish-migrations-229x300.png 229w, https://aguasamazonicas.org/wp-content/uploads/2024/11/synthesis-of-the-diversity-of-freshwater-fish-migrations.png 665w" sizes="auto, (max-width: 229px) 100vw, 229px" /></a></p>
<h3><strong>ABSTRACT<br />
</strong></h3>
<p>In the Amazon, the world&#8217;s largest river basin, migrations within freshwater habitats are one of the predominant life history strategies for fishes. The flood pulse and the extensive river network provide aquatic organisms with temporal and spatial accessibility to a mosaic of freshwater habitats. Although migratory fish species are central to freshwater ecosystems and fisheries, the knowledge of species and migratory patterns has traditionally relied on anecdotal and scattered information, lacking a unifying methodological and conceptual framework. We quantitatively synthesize the evidence about this biological phenomenom in the Amazon basin through a systematic literature review. We constructed a reference database of migratory events in the Amazon basin, including species, life stages, purposes, direction, habitats and subbasins. We found that 223 species were documented in 90 references as performing migrations distributed across eight orders and 31 families. Migration is a conserved trait in the evolutionary history of Amazonian fish fauna, suggesting that ~41% of migratory species are likely unreported. We noted a geographical bias in the report of migratory events towards 13 of the 27 major subbasins of the Amazon. We found a significant association between the hydrological timing at the beginning and end of migrations across species, including reproduction as the most commonly reported purpose. However, most species lack the application of robust methods (e.g. telemetry, otolith microchemistry) to classify them as migratory, relying upon secondary sources of information (i.e. reviews or species checklists). Further, we discuss future opportunities and challenges to continue the study of fish migrations in the Amazon basin.</p>
<p><strong>Keywords:</strong> actinopterygii, hydrological connectivity, migratory behaviour, movement ecology, neotropics, potamodromy</p>
<p>&nbsp;</p>
<h3>Una síntesis de la diversidad de las migraciones de peces de agua dulce en la Cuenca Amazónica</h3>
<h3><strong>RESUMEN</strong></h3>
<p>En la Cuenca Amazónica, la mayor cuenca fluvial del mundo, las migraciones dentro de los hábitats de agua dulce constituyen una de las principales estrategias para los peces. El pulso de inundación y la extensa red fluvial proporcionan a los organismos acuáticos accesibilidad temporal y espacial a un mosaico de hábitats de agua dulce. Aunque las especies migratorias de peces son fundamentales para los ecosistemas de agua dulce y las pesquerías, el conocimiento sobre las especies y los patrones migratorios ha dependido tradicionalmente de información anecdótica y dispersa, careciendo de un marco metodológico y conceptual unificador. Mediante una revisión sistemática de la literatura, sintetizamos cuantitativamente la evidencia sobre este fenómeno biológico en la Cuenca Amazónica. Construimos una base de datos de referencia sobre eventos migratorios en la Cuenca Amazónica, incluyendo especies, etapas de vida, propósitos, direcciones, hábitats y subcuencas. Encontramos que 223 especies fueron documentadas en 90 referencias como migratorias, distribuidas en ocho órdenes y 31 familias. La migración es un rasgo conservado en la historia evolutiva de la ictiofauna amazónica, lo que sugiere que aproximadamente el 41% de las especies migratorias probablemente no han sido reportadas. Observamos un sesgo geográfico en la documentación de eventos migratorios hacia 13 de las 27 principales subcuencas amazónicas. Encontramos una asociación significativa entre el momento hidrológico al inicio y al final de las migraciones entre especies, siendo la reproducción el propósito más comúnmente reportado. Sin embargo, la mayoría de las especies carecen de la aplicación de métodos robustos (por ejemplo, telemetría, microquímica de otolitos) para ser clasificadas como migratorias, dependiendo de fuentes secundarias de información (es decir, revisiones o listas de especies). Además, discutimos las oportunidades y los desafíos futuros para continuar el estudio de las migraciones de peces en la Cuenca Amazónica.</p>
<p><strong>Palabras clave:</strong> actinopterygii, conectividad hidrológica, comportamiento migratorio, ecología del movimiento, neotrópicos, potamodromía.</p>
<p>&nbsp;</p>
<p style="text-align: center;"><img loading="lazy" decoding="async" class="alignnone wp-image-28715 size-medium" src="https://aguasamazonicas.org/wp-content/uploads/2024/11/thumb-sintesis-migraciones-de-peces-300x300.png" alt="Una síntesis de la diversidad de las migraciones de peces de agua dulce en la Cuenca Amazónica" width="300" height="300" title="A synthesis of the diversity of freshwater fish migrations in the Amazon basin 10" srcset="https://aguasamazonicas.org/wp-content/uploads/2024/11/thumb-sintesis-migraciones-de-peces-300x300.png 300w, https://aguasamazonicas.org/wp-content/uploads/2024/11/thumb-sintesis-migraciones-de-peces-1024x1024.png 1024w, https://aguasamazonicas.org/wp-content/uploads/2024/11/thumb-sintesis-migraciones-de-peces-150x150.png 150w, https://aguasamazonicas.org/wp-content/uploads/2024/11/thumb-sintesis-migraciones-de-peces-768x768.png 768w, https://aguasamazonicas.org/wp-content/uploads/2024/11/thumb-sintesis-migraciones-de-peces-250x250.png 250w, https://aguasamazonicas.org/wp-content/uploads/2024/11/thumb-sintesis-migraciones-de-peces-1000x1000.png 1000w, https://aguasamazonicas.org/wp-content/uploads/2024/11/thumb-sintesis-migraciones-de-peces.png 1080w" sizes="auto, (max-width: 300px) 100vw, 300px" /></p>
<p><strong>Autores: </strong><span class="accordion-tabbed__tab-mobile accordion__closed"><a id="a1_Ctrl" class="author-name accordion-tabbed__control" role="button" href="https://onlinelibrary.wiley.com/authored-by/Herrera%E2%80%90R/Guido+A." data-id="a1" data-db-target-for="a1" aria-controls="a1" aria-haspopup="true">Guido A. Herrera-R<i class="icon-mail_outline" aria-hidden="true"></i></a><span class="comma-separator">, </span></span><span class="accordion-tabbed__tab-mobile accordion__closed"><a id="a2_Ctrl" class="author-name accordion-tabbed__control" role="button" href="https://onlinelibrary.wiley.com/authored-by/Heilpern/Sebastian+A." data-id="a2" data-db-target-for="a2" aria-controls="a2" aria-haspopup="true">Sebastian A. Heilpern</a><span class="comma-separator">, </span></span><span class="accordion-tabbed__tab-mobile accordion__closed"><a id="a3_Ctrl" class="author-name accordion-tabbed__control" role="button" href="https://onlinelibrary.wiley.com/authored-by/Couto/Thiago+B.+A." data-id="a3" data-db-target-for="a3" aria-controls="a3" aria-haspopup="true">Thiago B. A. Couto</a><span class="comma-separator">, </span></span><span class="accordion-tabbed__tab-mobile accordion__closed"><a id="a4_Ctrl" class="author-name accordion-tabbed__control" role="button" href="https://onlinelibrary.wiley.com/authored-by/Victoria%E2%80%90Lacy/Lulu" data-id="a4" data-db-target-for="a4" aria-controls="a4" aria-haspopup="true">Lulu Victoria-Lacy</a><span class="comma-separator">, </span></span><span class="accordion-tabbed__tab-mobile accordion__closed"><a id="a5_Ctrl" class="author-name accordion-tabbed__control" role="button" href="https://onlinelibrary.wiley.com/authored-by/Duponchelle/Fabrice" data-id="a5" data-db-target-for="a5" aria-controls="a5" aria-haspopup="true">Fabrice Duponchelle</a><span class="comma-separator">, </span></span><span class="accordion-tabbed__tab-mobile accordion__closed"><a id="a6_Ctrl" class="author-name accordion-tabbed__control" role="button" href="https://onlinelibrary.wiley.com/authored-by/Correa/Sandra+B." data-id="a6" data-db-target-for="a6" aria-controls="a6" aria-haspopup="true">Sandra B. Correa</a><span class="comma-separator">, </span></span><span class="accordion-tabbed__tab-mobile accordion__closed"><a id="a7_Ctrl" class="author-name accordion-tabbed__control" role="button" href="https://onlinelibrary.wiley.com/authored-by/Farah%E2%80%90P%C3%A9rez/Aldo" data-id="a7" data-db-target-for="a7" aria-controls="a7" aria-haspopup="true">Aldo Farah-Pérez</a><span class="comma-separator">, </span></span><span class="accordion-tabbed__tab-mobile accordion__closed"><a id="a8_Ctrl" class="author-name accordion-tabbed__control" role="button" href="https://onlinelibrary.wiley.com/authored-by/L%C3%B3pez%E2%80%90Casas/Silvia" data-id="a8" data-db-target-for="a8" aria-controls="a8" aria-haspopup="true">Silvia López-Casas</a><span class="comma-separator">, </span></span><span class="accordion-tabbed__tab-mobile accordion__closed"><a id="a9_Ctrl" class="author-name accordion-tabbed__control" role="button" href="https://onlinelibrary.wiley.com/authored-by/Ca%C3%B1as%E2%80%90Alva/Carlos+M." data-id="a9" data-db-target-for="a9" aria-controls="a9" aria-haspopup="true">Carlos M. Cañas-Alva</a><span class="comma-separator">, </span></span><span class="accordion-tabbed__tab-mobile accordion__closed"><a id="a10_Ctrl" class="author-name accordion-tabbed__control" role="button" href="https://onlinelibrary.wiley.com/authored-by/Doria/Carolina+R.+C." data-id="a10" data-db-target-for="a10" aria-controls="a10" aria-haspopup="true">Carolina R. C. Doria</a><span class="comma-separator">, </span></span><span class="accordion-tabbed__tab-mobile accordion__closed"><a id="a11_Ctrl" class="author-name accordion-tabbed__control" role="button" href="https://onlinelibrary.wiley.com/authored-by/Anderson/Elizabeth+P." data-id="a11" data-db-target-for="a11" aria-controls="a11" aria-haspopup="true">Elizabeth P. Anderson</a></span></p>
<p><strong>Journal:</strong> <a href="https://onlinelibrary.wiley.com/toc/14672979/2024/25/1" target="_blank" rel="noopener">Fish and Fisheries</a>, Wiley</p>
<p><strong>Cita:</strong> Herrera-R, G. A., Heilpern, S. A., Couto, T. B. A., Victoria-Lacy, L., Duponchelle, F., Correa, S. B., Farah-Pérez, A., López-Casas, S., Cañas-Alva, C. M.,Doria, C. R. C., &amp; Anderson, E. P. (2023). A synthesis of the diversity of freshwater fish migrations in the Amazon basin. Fish and Fisheries, 00, 1–20. <a href="https://doi.org/10.1111/faf.12795" target="_blank" rel="noopener">https://doi.org/10.1111/faf.12795</a></p>
<p>&nbsp;</p>
<p style="text-align: center;"><a href="https://aguasamazonicas.org/download-category/papers" target="_blank" rel="noopener">Otras publicaciones</a></p>
<p>The post <a rel="nofollow" href="https://aguasamazonicas.org/download/synthesis-freshwater-fish-migrations">A synthesis of the diversity of freshwater fish migrations in the Amazon basin</a> appeared first on <a rel="nofollow" href="https://aguasamazonicas.org">Aguas Amazonicas</a>.</p>
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		<title>Migratory Ecology of Pseudoplatystoma fasciatum in the Amazon Basin Revealed by Otolith Microchemistry</title>
		<link>https://aguasamazonicas.org/download/migration-pseudoplatystoma-fasciatum</link>
		
		<dc:creator><![CDATA[Gabriela Merizalderubio]]></dc:creator>
		<pubDate>Wed, 06 Nov 2024 15:02:43 +0000</pubDate>
				<guid isPermaLink="false">https://aguasamazonicas.org/?post_type=download&#038;p=28676</guid>

					<description><![CDATA[<p>&#160; ABSTRACT Fish migrate for varied reasons, including to avoid predators and to access feeding, spawning, and nursery habitats, behaviors that enhance their survival and reproductive rates. However, the migratory ecology of many important fishes, especially those in river floodplain ecosystems, remains poorly understood. One fish of the Amazon Basin whose migratory behavior is poorly understood is the catfish Pseudoplatystoma [&#8230;]</p>
<p>The post <a rel="nofollow" href="https://aguasamazonicas.org/download/migration-pseudoplatystoma-fasciatum">Migratory Ecology of Pseudoplatystoma fasciatum in the Amazon Basin Revealed by Otolith Microchemistry</a> appeared first on <a rel="nofollow" href="https://aguasamazonicas.org">Aguas Amazonicas</a>.</p>
]]></description>
										<content:encoded><![CDATA[<p>&nbsp;</p>
<p style="text-align: center;"><a href="https://www.mdpi.com/1424-2818/16/7/378" target="_blank" rel="noopener"><img loading="lazy" decoding="async" class="alignnone wp-image-28677 size-medium" src="https://aguasamazonicas.org/wp-content/uploads/2024/11/migratory-ecology-of-pseudoplatystoma-fasciatum-216x300.png" alt="Conservando la Cuenca Amazónica Aguas Amazonicas" width="216" height="300" title="Migratory Ecology of Pseudoplatystoma fasciatum in the Amazon Basin Revealed by Otolith Microchemistry 12" srcset="https://aguasamazonicas.org/wp-content/uploads/2024/11/migratory-ecology-of-pseudoplatystoma-fasciatum-216x300.png 216w, https://aguasamazonicas.org/wp-content/uploads/2024/11/migratory-ecology-of-pseudoplatystoma-fasciatum.png 621w" sizes="auto, (max-width: 216px) 100vw, 216px" /></a></p>
<p><strong>ABSTRACT</strong></p>
<p>Fish migrate for varied reasons, including to avoid predators and to access feeding, spawning, and nursery habitats, behaviors that enhance their survival and reproductive rates. However, the migratory ecology of many important fishes, especially those in river floodplain ecosystems, remains poorly understood. One fish of the Amazon Basin whose migratory behavior is poorly understood is the catfish <em>Pseudoplatystoma fasciatum</em>. Here, we used otolith elemental microchemistry to characterize the migration ecology of <em>P. fasciatum</em> in the Amazon Basin. The main research questions of this study were: (1) does P. fasciatum move between waters with different Sr isotopic signatures (87Sr/86Sr) and chemical compositions? (2) What distance do they migrate? (3) Is the migration of <em>P. fasciatum</em> related to age? And (4) does <em>P. fasciatum</em> migrate mainly upstream, downstream, or in both directions? We assessed whether <em>P. fasciatum</em> migrates between waters with different 87Sr/86Sr values, comparing the Sr isotopic signature of otolith transects of each individual with the range of Sr isotopic signatures within the respective rivers. We found that 34% of the 71 fish analyzed migrated between rivers with different Sr isotopic signatures and 66% did not. The mean migration distance migrated was 126 km, with most specimens migrating between 72 and 237 km. Apparently, no fish of age one or age six or older migrated. All fish that migrated were between two and five years of age, with 20% of the specimens that migrated being two years old, 40% three years old, 30% four years old, and 20% five years old. Sixty-six percent of all individuals that migrated between rivers with different Sr signatures did so bidirectionally, while 33% moved unidirectionally. According to our definition of homing behavior in which fish migrated back to the same river where they were born, 41% of all fish that migrated displayed apparent homing behavior. Our findings provide insights into the migratory ecology of P. fasciatum, corroborating and refining knowledge reported in the literature. Our results on the migratory ecology of P. fasciatum have implications for sustainable fisheries conservation and management: conserving P. fasciatum requires habitat maintenance and suitable fishing practices in spawning and nursery habitats, and managers must consider large geographic areas for effective fishery management and conservation.</p>
<p><strong>Keywords:</strong> Sr isotopic ratios; ontogenetic migration; reproductive migration; life history; barred surubim catfish</p>
<p>&nbsp;</p>
<h3><strong>Ecología Migratoria de <em>Pseudoplatystoma fasciatum</em> en la Cuenca Amazónica Revelada mediante Microquímica de Otolitos</strong></h3>
<p><strong>RESUMEN</strong></p>
<p>Los peces migran por diversas razones, incluyendo evitar depredadores y acceder a hábitats de alimentación, desove y crianza, comportamientos que mejoran su tasa de supervivencia y reproducción. Sin embargo, la ecología migratoria de muchos peces importantes, especialmente aquellos en ecosistemas de llanuras inundables, sigue siendo poco comprendida. Uno de los peces de la Cuenca Amazónica cuyo comportamiento migratorio se conoce poco es el bagre <em>Pseudoplatystoma fasciatum</em>. En este estudio, utilizamos la microquímica elemental de otolitos para caracterizar la ecología migratoria de <em>P. fasciatum</em> en la Cuenca Amazónica. Las principales preguntas de investigación fueron: (1) ¿se desplaza <em>P. fasciatum</em> entre aguas con diferentes firmas isotópicas de Sr (87Sr/86Sr) y composiciones químicas? (2) ¿A qué distancia migran? (3) ¿Está la migración de <em>P. fasciatum</em> relacionada con la edad? y (4) ¿migran principalmente río arriba, río abajo o en ambas direcciones? Evaluamos si <em>P. fasciatum</em> migra entre aguas con diferentes valores de 87Sr/86Sr, comparando la firma isotópica de Sr en los transectos de otolitos de cada individuo con el rango de firmas isotópicas de Sr en los respectivos ríos. Encontramos que el 34% de los 71 peces analizados migraron entre ríos con diferentes firmas isotópicas de Sr y el 66% no lo hicieron. La distancia media de migración fue de 126 km, con la mayoría de los especímenes migrando entre 72 y 237 km. Al parecer, ningún pez de un año ni de seis años o más migró. Todos los peces que migraron tenían entre dos y cinco años, con el 20% de los especímenes migrantes de dos años, el 40% de tres años, el 30% de cuatro años y el 20% de cinco años. El sesenta y seis por ciento de todos los individuos que migraron entre ríos con diferentes firmas de Sr lo hicieron en ambas direcciones, mientras que el 33% se desplazó en una sola dirección. Según nuestra definición de comportamiento de regreso al hogar, en la cual los peces migran de vuelta al mismo río donde nacieron, el 41% de todos los peces que migraron mostraron un aparente comportamiento de regreso al hogar. Nuestros hallazgos proporcionan información sobre la ecología migratoria de <em>P. fasciatum</em>, corroborando y afinando el conocimiento reportado en la literatura. Nuestros resultados sobre la ecología migratoria de <em>P. fasciatum</em> tienen implicaciones para la conservación y gestión sostenible de la pesca: conservar <em>P. fasciatum</em> requiere el mantenimiento de hábitats y prácticas de pesca adecuadas en los hábitats de desove y crianza, y los gestores deben considerar amplias áreas geográficas para una gestión y conservación pesquera efectiva.</p>
<p><strong>Palabras clave:</strong> ratio isotópico de Sr; migración ontogenética; migración reproductiva; ciclo de vida; bagre surubí</p>
<p>&nbsp;</p>
<p><strong>Autores:</strong> Pereira, L.A., et al.</p>
<p><strong>Revista:</strong> <a href="https://www.mdpi.com/journal/diversity" target="_blank" rel="noopener">Diversity (2024)</a></p>
<p><strong>Cita:</strong> Pereira, L.A.; Castello, L.; Hallerman, E.; Orth, D.; Duponchelle, F. Migratory Ecology of Pseudoplatystoma fasciatum in the Amazon Basin Revealed by Otolith Microchemistry. Diversity 2024, 16, 378. <a href="https://doi.org/10.3390/d16070378" target="_blank" rel="noopener">https://doi.org/10.3390/d16070378</a></p>
<p>&nbsp;</p>
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		<title>Peces del Centro Shuar Kaputna, cuenca baja del río Santiago, Amazonía sur de Ecuador</title>
		<link>https://aguasamazonicas.org/download/peces-kaputna</link>
		
		<dc:creator><![CDATA[Gabriela Merizalderubio]]></dc:creator>
		<pubDate>Tue, 05 Nov 2024 22:57:15 +0000</pubDate>
				<guid isPermaLink="false">https://aguasamazonicas.org/?post_type=download&#038;p=28670</guid>

					<description><![CDATA[<p>&#160; RESUMEN Se realizó un inventario de peces en los principales ecosistemas acuáticos del Centro Shuar Kaputna, en la cuenca baja del río Santiago, Amazonia sur de Ecuador, en septiembre 2021 y agosto 2022. Los peces fueron muestreados usando dos atarrayas, una red de arrastre, dos redes de enmalle, dos redes de mano y anzuelos de diferentes tamaños. Un total [&#8230;]</p>
<p>The post <a rel="nofollow" href="https://aguasamazonicas.org/download/peces-kaputna">Peces del Centro Shuar Kaputna, cuenca baja del río Santiago, Amazonía sur de Ecuador</a> appeared first on <a rel="nofollow" href="https://aguasamazonicas.org">Aguas Amazonicas</a>.</p>
]]></description>
										<content:encoded><![CDATA[<p>&nbsp;</p>
<p style="text-align: center;"><a href="https://editorial-inia.com/wp-content/uploads/2024/10/NHAC_044_Anaguano_2024.pdf" target="_blank" rel="noopener"><img loading="lazy" decoding="async" class="alignnone wp-image-28671 size-medium" src="https://aguasamazonicas.org/wp-content/uploads/2024/11/Peces-de-Kaputna-231x300.png" alt="Conservando la Cuenca Amazónica Aguas Amazonicas" width="231" height="300" title="Peces del Centro Shuar Kaputna, cuenca baja del río Santiago, Amazonía sur de Ecuador 14" srcset="https://aguasamazonicas.org/wp-content/uploads/2024/11/Peces-de-Kaputna-231x300.png 231w, https://aguasamazonicas.org/wp-content/uploads/2024/11/Peces-de-Kaputna.png 671w" sizes="auto, (max-width: 231px) 100vw, 231px" /></a></p>
<p><strong>RESUMEN</strong></p>
<p>Se realizó un inventario de peces en los principales ecosistemas acuáticos del Centro Shuar Kaputna, en la cuenca baja del río Santiago, Amazonia sur de Ecuador, en septiembre 2021 y agosto 2022. Los peces fueron muestreados usando dos atarrayas, una red de arrastre, dos redes de enmalle, dos redes de mano y anzuelos de diferentes tamaños. Un total de 740 individuos de 144 especies, 35 familias y ocho órdenes fueron capturados. Los órdenes Siluriformes y Characiformes fueron los abundantes y diversos, y Hyphessobrycon sp. (Characidae) fue la especie más abundante. El 2.7 % de las especies reportadas son nuevos registros para Ecuador y el 52.7 % constituyen nuevos registros para la zona ictiogeográfica Morona-Santiago. Probablemente haya varias especies nuevas.</p>
<p><strong>Palabras clave:</strong> Diversidad, ictiofauna, ecosistemas acuáticos, amenazas ambientales</p>
<p>&nbsp;</p>
<h3>Fishes of the Kaputna Shuar community, lower basin of the Santiago River, southern Amazon, Ecuador</h3>
<p><strong>ABSTRACT</strong></p>
<p>We conducted a fish inventory in the main aquatic ecosystems of the Kaputna Shuar Center, in the lower basin of the Santiago River, southern Amazon of Ecuador, in September 2021 and August 2022. Fishes were sampled using two cast nets, one trawl net, two gill nets, two hand nets and hooks of different sizes. A total of 740 individuals from 144 species, 35 families and eight orders were captured. The orders Siluriformes and Characiformes were the most abundant and diverse, and Hyphessobrycon sp. (Characidae) was the most abundant species. Of the reported species, 2.7% are new records for Ecuador and 52.7% are new records for the Morona-Santiago ichthyogeographic area. There are probably a number of new species that have yet to be described.</p>
<p><strong>Keywords:</strong> Diversity, ichthyofauna, aquatic ecosystems, environmental threats</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p><strong>Autores:</strong> Anaguano-Yancha F, et al.</p>
<p><strong>Revista:</strong> <a href="https://editorial-inia.com/nhac/" target="_blank" rel="noopener">Neotropical Hydrobiology and Aquatic Conservation</a> (2024)</p>
<p><strong>Cita:</strong> Anaguano-Yancha F., Narankas G., Ampam M., Narankas I., Tunki D., Chuim L. (2024). Peces del Centro Shuar Kaputna, cuenca baja<br />
del río Santiago, Amazonía sur de Ecuador. Neotropical Hydrobiology and Aquatic Conservation, 5 (1): 33-49 <a href="https://doi.org/10.55565/nhac.rtwe4681" target="_blank" rel="noopener">https://doi.org/10.55565/nhac.rtwe4681</a></p>
<p>&nbsp;</p>
<p style="text-align: center;"><a href="https://aguasamazonicas.org/download-category/papers" target="_blank" rel="noopener">Otras publicaciones</a></p>
<p>The post <a rel="nofollow" href="https://aguasamazonicas.org/download/peces-kaputna">Peces del Centro Shuar Kaputna, cuenca baja del río Santiago, Amazonía sur de Ecuador</a> appeared first on <a rel="nofollow" href="https://aguasamazonicas.org">Aguas Amazonicas</a>.</p>
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		<title>Monitoramento Independente e Governança de Territórios Pesqueiros na Amazônia</title>
		<link>https://aguasamazonicas.org/download/monitoramento-territorios-pesqueiros-amazonia</link>
		
		<dc:creator><![CDATA[Gabriela Merizalderubio]]></dc:creator>
		<pubDate>Thu, 09 Nov 2023 17:25:24 +0000</pubDate>
				<guid isPermaLink="false">https://aguasamazonicas.org/?post_type=download&#038;p=24291</guid>

					<description><![CDATA[<p>Monitoramento Independente e Governança de Territórios Pesqueiros na Amazônia é o resultado da iniciativa em parceria entre a Rede de Monitoramento Territorial Independente (RMTI), a Rede Internacional de Pesquisa em Barragens Amazônicas (RBA) e a Aliança Águas Amazônicas. A Jornada de Aprofundamento Metodológico sobre Monitoramento Independente e Governança de Territórios Pesqueiros consistiu em uma série de encontros para trocas de [&#8230;]</p>
<p>The post <a rel="nofollow" href="https://aguasamazonicas.org/download/monitoramento-territorios-pesqueiros-amazonia">Monitoramento Independente e Governança de Territórios Pesqueiros na Amazônia</a> appeared first on <a rel="nofollow" href="https://aguasamazonicas.org">Aguas Amazonicas</a>.</p>
]]></description>
										<content:encoded><![CDATA[<p style="text-align: center;"><a href="https://eaesp.fgv.br/producao-intelectual/monitoramento-independente-e-governanca-territorios-pesqueiros-amazonia" target="_blank" rel="noopener"><img loading="lazy" decoding="async" class="alignnone wp-image-24293 size-medium" src="https://aguasamazonicas.org/wp-content/uploads/2023/11/portada-publicacion-monitoramento-pesqueiro-213x300.png" alt="Conservando la Cuenca Amazónica Aguas Amazonicas" width="213" height="300" title="Monitoramento Independente e Governança de Territórios Pesqueiros na Amazônia 16" srcset="https://aguasamazonicas.org/wp-content/uploads/2023/11/portada-publicacion-monitoramento-pesqueiro-213x300.png 213w, https://aguasamazonicas.org/wp-content/uploads/2023/11/portada-publicacion-monitoramento-pesqueiro.png 568w" sizes="auto, (max-width: 213px) 100vw, 213px" /></a></p>
<p>Monitoramento Independente e Governança de Territórios Pesqueiros na Amazônia é o resultado da iniciativa em parceria entre a Rede de Monitoramento Territorial Independente (RMTI), a Rede Internacional de Pesquisa em Barragens Amazônicas (RBA) e a Aliança Águas Amazônicas. A Jornada de Aprofundamento Metodológico sobre Monitoramento Independente e Governança de Territórios Pesqueiros consistiu em uma série de encontros para trocas de experiências entre casos de monitoramento independente da pesca e de governança de territórios pesqueiros. Os encontros possibilitaram a apresentação e discussão dos casos, situados em diferentes bacias hidrográficas amazônicas, com especial atenção às metodologias de monitoramento da pesca e governança construídas a partir dos contextos locais, e reuniram pesquisadores(as), organizações da sociedade civil e lideranças comunitárias. Por meio dos encontros realizados, a iniciativa buscou promover o intercâmbio entre organizações, aprofundar debates e pesquisas sobre os principais desafios enfrentados, e sistematizar aprendizados para a construção de recomendações sobre monitoramento independente da pesca artesanal e governança de territórios pesqueiros na Amazônia, comênfase no manejo de pequena escala e territorializado, praticado por comunidades ribeirinhas, tradicionais e povos indígenas da região.</p>
<p>&nbsp;</p>
<p><strong>Palabras Clave:</strong> Monitoramento territórios pesqueros Amazonia</p>
<p>&nbsp;</p>
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<p>&nbsp;</p>
<p><strong>Autores:</strong></p>
<p><strong>Organización de Publicación y Coordinación de Jornadas de Profundización Metodológica sobre Monitoreo Independiente y Gobernanza de Territorios Pesqueros:</strong></p>
<p>Kena Azevedo Chaves (FGVces)<br />
Tainá Holanda Caldeira Baptista (FGVces)<br />
Carolina Rodrigues da Costa Doria (UNIR)<br />
Gina Dourado R. Leite (WCS)<br />
Antônia Socorro Pena da Gama (GEPESA-UFOPA)</p>
<p><strong>Investigación:</strong><br />
Tainá Holanda Caldeira Baptista (FGVces)<br />
Samir Luna de Almeida (FGVces)</p>
<p><strong>Revisión:</strong><br />
Guillermo M. B. Estupiñán (WCS)<br />
Victoria J. Isaac Nahum (UFPA)</p>
<p>&nbsp;</p>
<h3 style="text-align: center;"><a href="https://aguasamazonica.org/download-category/papers" target="_blank" rel="noopener">Otras publicaciones</a></h3>
<h3 style="text-align: center;"></h3>
<p>The post <a rel="nofollow" href="https://aguasamazonicas.org/download/monitoramento-territorios-pesqueiros-amazonia">Monitoramento Independente e Governança de Territórios Pesqueiros na Amazônia</a> appeared first on <a rel="nofollow" href="https://aguasamazonicas.org">Aguas Amazonicas</a>.</p>
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		<title>Engagement in a Citizen Science Project in the Amazon Basin</title>
		<link>https://aguasamazonicas.org/download/engagement-in-a-citizen-science-project-in-the-amazon-basin-2</link>
		
		<dc:creator><![CDATA[Gabriela Merizalderubio]]></dc:creator>
		<pubDate>Sun, 30 Jul 2023 04:52:29 +0000</pubDate>
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					<description><![CDATA[<p>Citizen science is a growing field that has the potential to better integrate citizens’ demands and concerns into research projects through participatory methods, and its approach can contribute to large-scale monitoring projects. In this case study article, we share and discuss methods used to promote participant engagement in a pilot initiative of the Citizen Science for the Amazon Project (CSAP). [&#8230;]</p>
<p>The post <a rel="nofollow" href="https://aguasamazonicas.org/download/engagement-in-a-citizen-science-project-in-the-amazon-basin-2">Engagement in a Citizen Science Project in the Amazon Basin</a> appeared first on <a rel="nofollow" href="https://aguasamazonicas.org">Aguas Amazonicas</a>.</p>
]]></description>
										<content:encoded><![CDATA[<p style="text-align: center;"><a href="http://doi.org/10.5334/cstp.453" target="_blank" rel="noopener"><img loading="lazy" decoding="async" class="alignnone wp-image-23530" src="https://aguasamazonicas.xibe.org/wp-content/uploads/2023/07/engagement-in-a-citizen-science-project-in-the-Amazon-Basin-1-232x300.jpg" alt="Conservando la Cuenca Amazónica Aguas Amazonicas" width="309" height="400" title="Engagement in a Citizen Science Project in the Amazon Basin 18" srcset="https://aguasamazonicas.org/wp-content/uploads/2023/07/engagement-in-a-citizen-science-project-in-the-Amazon-Basin-1-232x300.jpg 232w, https://aguasamazonicas.org/wp-content/uploads/2023/07/engagement-in-a-citizen-science-project-in-the-Amazon-Basin-1.jpg 618w" sizes="auto, (max-width: 309px) 100vw, 309px" /></a></p>
<div class="authors">
<p>Citizen science is a growing field that has the potential to better integrate citizens’ demands and concerns into research projects through participatory methods, and its approach can contribute to large-scale monitoring projects. In this case study article, we share and discuss methods used to promote participant engagement in a pilot initiative of the Citizen Science for the Amazon Project (CSAP). The overall project collects information on fisheries through an app and its upload tool. The pilot initiative was implemented in the main stem area of the Amazon River in Brazil from 2018 to 2019. We worked with 26 target groups, engaging participants in sessions to use and evaluate the app. Participants are residents of local communities, riverine people (ribeirinhos), with rich knowledge of natural resources and with specific conservation concerns. Fishing is an important source of income and nutrition, and fishery management strategies are a way to access and strengthen land rights. Engaging local communities in citizen science requires specific approaches to promote dialogue between different types of knowledge systems. We present an overview of our participatory strategies and use qualitative data from our monitoring to analyze outcomes. Our key recommendations include: recognizing traditional knowledge holders, including local interests, and upgrading tools according to these interests; using communication strategies to promote equitable dialogues; and stimulating and fostering networks between citizen scientists. By sharing this experience, we aim to contribute to future citizen science projects, especially in rural areas in the Global South.</p>
<p>&nbsp;</p>
</div>
<div class="authors"><span class="span-how-to"><strong>Keywords: </strong><span class="span-citation"><a href="https://theoryandpractice.citizenscienceassociation.org/articles/search/?search=Amazon%20conservation" target="_blank" rel="noopener">Amazon conservation,</a> <a href="https://theoryandpractice.citizenscienceassociation.org/articles/search/?search=knowledge%20systems" target="_blank" rel="noopener">knowledge systems,</a> <a href="https://theoryandpractice.citizenscienceassociation.org/articles/search/?search=participatory%20strategies" target="_blank" rel="noopener">participatory strategies,</a> <a href="https://theoryandpractice.citizenscienceassociation.org/articles/search/?search=fisheries%20monitoring" target="_blank" rel="noopener">fisheries monitoring</a></span></span></div>
<p>&nbsp;</p>
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<p><strong>Autors: </strong><span class="author-hover">Vanessa Eyng</span> , Maria Gomes, Luiza Câmpera, Alexandre Hercos</p>
<p><strong>Journal:</strong> <a href="https://theoryandpractice.citizenscienceassociation.org/" target="_blank" rel="noopener"><i>Citizen Science: Theory and Practice</i></a></p>
<p>&nbsp;</p>
<p style="text-align: center;"><a href="https://aguasamazonicas.xibe.org/download-category/papers" target="_blank" rel="noopener">Otras publicaciones</a></p>
<p>The post <a rel="nofollow" href="https://aguasamazonicas.org/download/engagement-in-a-citizen-science-project-in-the-amazon-basin-2">Engagement in a Citizen Science Project in the Amazon Basin</a> appeared first on <a rel="nofollow" href="https://aguasamazonicas.org">Aguas Amazonicas</a>.</p>
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		<title>Identificación de potenciales zona de desove del dorado (Brachyplatystoma rousseauxii) en la cuenca Madeira</title>
		<link>https://aguasamazonicas.org/download/identificacion-de-potenciales-zona-de-desove-del-dorado-brachyplatystoma-rousseauxii-en-la-cuenca-madeira</link>
		
		<dc:creator><![CDATA[Gabriela Merizalderubio]]></dc:creator>
		<pubDate>Sat, 29 Jul 2023 05:36:57 +0000</pubDate>
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					<description><![CDATA[<p>El dorado (Brachyplatystoma rousseauxii) es una de las especies de peces amazónicos más amenazadas. En la actualidad, su complejo ciclo de vida está interrumpido por represas hidroeléctricas en la cuenca media del Río Madeira. Pese a esta situación se ha confirmado que aún continúa reproduciéndose en la cuenca del Beni. Se realizó un análisis espacial que permita identificar otras zonas [&#8230;]</p>
<p>The post <a rel="nofollow" href="https://aguasamazonicas.org/download/identificacion-de-potenciales-zona-de-desove-del-dorado-brachyplatystoma-rousseauxii-en-la-cuenca-madeira">Identificación de potenciales zona de desove del dorado (Brachyplatystoma rousseauxii) en la cuenca Madeira</a> appeared first on <a rel="nofollow" href="https://aguasamazonicas.org">Aguas Amazonicas</a>.</p>
]]></description>
										<content:encoded><![CDATA[<p style="text-align: center;"><a href="https://doi.org/10.55565/nhac.sfmz2027" target="_blank" rel="noopener"><img loading="lazy" decoding="async" class="alignnone wp-image-23513" src="https://aguasamazonicas.xibe.org/wp-content/uploads/2023/07/NHAC_027_Miranda_2022-pdf-232x300.jpg" alt="Conservando la Cuenca Amazónica Aguas Amazonicas" width="309" height="400" title="Identificación de potenciales zona de desove del dorado (Brachyplatystoma rousseauxii) en la cuenca Madeira 20" srcset="https://aguasamazonicas.org/wp-content/uploads/2023/07/NHAC_027_Miranda_2022-pdf-232x300.jpg 232w, https://aguasamazonicas.org/wp-content/uploads/2023/07/NHAC_027_Miranda_2022-pdf-791x1024.jpg 791w, https://aguasamazonicas.org/wp-content/uploads/2023/07/NHAC_027_Miranda_2022-pdf-768x994.jpg 768w, https://aguasamazonicas.org/wp-content/uploads/2023/07/NHAC_027_Miranda_2022-pdf-1000x1294.jpg 1000w, https://aguasamazonicas.org/wp-content/uploads/2023/07/NHAC_027_Miranda_2022-pdf.jpg 1088w" sizes="auto, (max-width: 309px) 100vw, 309px" /></a></p>
<p>El dorado (<em>Brachyplatystoma rousseauxii</em>) es una de las especies de peces amazónicos más amenazadas. En la actualidad, su complejo<br />
ciclo de vida está interrumpido por represas hidroeléctricas en la cuenca media del Río Madeira. Pese a esta situación se ha confirmado<br />
que aún continúa reproduciéndose en la cuenca del Beni. Se realizó un análisis espacial que permita identificar otras zonas en la cuenca<br />
del Madeira que podrían ser claves para el desove del dorado. Para esto se usó información hidrológica y topográfica disponible a nivel<br />
de unidades de cuenca y se realizó un análisis de similitud para ubicar geográficamente potenciales zonas de desove. Se identificaron 70<br />
subcuencas que podrían constituir 22 sitios de desove de dorado. Todas las zonas identificadas corresponden a tributarios con origen<br />
directo en Los Andes y que sean mayores al 4º orden. La identificación de estas zonas permite planificar esfuerzos de monitoreo con enfoque<br />
de ciencia ciudadana para confirmar la reproducción del dorado y ayudar a generar información que ayude a evitar su extinción en la<br />
cuenca Madeira.</p>
<p><strong>Palabras clave:</strong> bagres, Bolivia, Perú, cabeceras de río, reproducción, áreas protegidas</p>
<p>&nbsp;</p>
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<p><strong>Autores:</strong> Guido MIRANDA-CHUMACERO, Eduardo VENTICINQUE</p>
<p><strong>Revista:</strong> <a href="https://editorial-inia.com/nhac/" target="_blank" rel="noopener">Neotropical Hydrobiology and Aquatic Conservation</a> (2022) Vol . 3 (1): 91-103</p>
<p>&nbsp;</p>
<p style="text-align: center;"><a href="https://aguasamazonicas.xibe.org/download-category/papers" target="_blank" rel="noopener">Otras publicaciones</a></p>
<p>The post <a rel="nofollow" href="https://aguasamazonicas.org/download/identificacion-de-potenciales-zona-de-desove-del-dorado-brachyplatystoma-rousseauxii-en-la-cuenca-madeira">Identificación de potenciales zona de desove del dorado (Brachyplatystoma rousseauxii) en la cuenca Madeira</a> appeared first on <a rel="nofollow" href="https://aguasamazonicas.org">Aguas Amazonicas</a>.</p>
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		<title>Monitoreo de peces killis nativos en la metrópoli de La Paz por cientistas ciudadanos: ventajas y oportunidades</title>
		<link>https://aguasamazonicas.org/download/monitoreo-de-peces-killis-nativos-en-la-metropoli-de-la-paz-por-cientistas-ciudadanos-ventajas-y-oportunidades</link>
		
		<dc:creator><![CDATA[Gabriela Merizalderubio]]></dc:creator>
		<pubDate>Sat, 29 Jul 2023 05:27:59 +0000</pubDate>
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					<description><![CDATA[<p>La Región Metropolitana de La Paz (RMDLP) en Bolivia ha crecido con una planificación mínima, modificando el hábitat natural. Actualmente, la ciencia ciudadana se está convirtiendo en un importante contribuyente de información sobre la biodiversidad de las áreas urbanas. Este estudio presenta registros de peces killis nativos de los Andes (Orestias spp.) en el RMDLP, obtenidos del sitio web iNaturalist. [&#8230;]</p>
<p>The post <a rel="nofollow" href="https://aguasamazonicas.org/download/monitoreo-de-peces-killis-nativos-en-la-metropoli-de-la-paz-por-cientistas-ciudadanos-ventajas-y-oportunidades">Monitoreo de peces killis nativos en la metrópoli de La Paz por cientistas ciudadanos: ventajas y oportunidades</a> appeared first on <a rel="nofollow" href="https://aguasamazonicas.org">Aguas Amazonicas</a>.</p>
]]></description>
										<content:encoded><![CDATA[<p style="text-align: center;">
<p style="text-align: center;"><a href="https://editorial-inia.com/wp-content/uploads/2022/10/NHAC_024_Loayza_3Oct2022_print.pdf" target="_blank" rel="noopener"><img loading="lazy" decoding="async" class="alignnone wp-image-23508" src="https://aguasamazonicas.xibe.org/wp-content/uploads/2023/07/monitoring-native-killfish-in-La-Paz-232x300.jpg" alt="Conservando la Cuenca Amazónica Aguas Amazonicas" width="309" height="400" title="Monitoreo de peces killis nativos en la metrópoli de La Paz por cientistas ciudadanos: ventajas y oportunidades 22" srcset="https://aguasamazonicas.org/wp-content/uploads/2023/07/monitoring-native-killfish-in-La-Paz-232x300.jpg 232w, https://aguasamazonicas.org/wp-content/uploads/2023/07/monitoring-native-killfish-in-La-Paz.jpg 618w" sizes="auto, (max-width: 309px) 100vw, 309px" /></a></p>
<p>La Región Metropolitana de La Paz (RMDLP) en Bolivia ha crecido con una planificación mínima, modificando el hábitat natural. Actualmente, la ciencia ciudadana se está convirtiendo en un importante contribuyente de información sobre la biodiversidad de las áreas urbanas. Este estudio presenta registros de peces killis nativos de los Andes (<em>Orestias spp.</em>) en el RMDLP, obtenidos del sitio web iNaturalist. Este estudio aporta nuevos registros de Orestias en el RMDLP, ampliando su distribución y destacando el importante papel de la participación ciudadana como herramienta para ampliar el conocimiento de la biodiversidad y el seguimiento de los ecosistemas sensibles al cambio climático.</p>
<p><strong>Palabras clave:</strong> Conservación, Orestias, Valle de La Paz, iNaturalist, Bolivia</p>
<p>&nbsp;</p>
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<p><strong>Autores:</strong> Erick LOAYZA, Guido MIRANDA-CHUMACERO</p>
<p><strong>Revista:</strong> <a href="https://editorial-inia.com/nhac/" target="_blank" rel="noopener">Neotropical Hydrobiology and Aquatic Conservation</a> (2022) Vol . 3 (1): 5-12</p>
<p>&nbsp;</p>
<p style="text-align: center;"><a href="https://aguasamazonicas.xibe.org/download-category/papers" target="_blank" rel="noopener">Otras publicaciones</a></p>
<p>The post <a rel="nofollow" href="https://aguasamazonicas.org/download/monitoreo-de-peces-killis-nativos-en-la-metropoli-de-la-paz-por-cientistas-ciudadanos-ventajas-y-oportunidades">Monitoreo de peces killis nativos en la metrópoli de La Paz por cientistas ciudadanos: ventajas y oportunidades</a> appeared first on <a rel="nofollow" href="https://aguasamazonicas.org">Aguas Amazonicas</a>.</p>
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