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Primer registro en Colombia de Corbicula fluminea (Mollusca: Bivalvia: Corbiculidae), una especie invasora

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Author
De la Hoz Aristizábal, M.V.
Date
2008

Métadonnées
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Alternative Title
First record in Colombia of Corbicula fluminea (Mollusca: Bivalvia: Corbiculidae), an invasive species.
Abstract
The bivalve Corbicula fluminea Müller is recorded for the first time in Colombia, in the National Park Isla de Salamanca. This protected area includes freshwater channels and mixohaline lagoons influenced by waters of both the Magdalena River and the Caribbean Sea. This exotic bivalve occurs locally in freshwater channels close to the Magdalena River as well as in the latter, whereas another corbiculid native species, Polymesoda solida, is commonly found in the mixohaline lagoons. Densities of C. fluminea ranged from 10 to 100 ind/m2 along with low numbers of P. solida. Lengths ranged form 10 to 43 mm in a predominant muddy substrate. Local fishermen have stated that C. fluminea was established approximately in 1992; this clam is being artisanally exploited for human consumption along with P. solida, although fishery is mainly focused on the latter, due to its larger size.
El bivalvo Corbicula fluminea Müller se registra por primera vez en Colombia, en el Parque Nacional Isla de Salamanca. Esta área protegida incluye los canales de agua dulce y lagunas mixohaline influenciados por las aguas tanto del río Magdalena y el Mar Caribe. Esta bivalvos exóticos se produce a nivel local en los canales de agua dulce cerca del río Magdalena, así como en el segundo, mientras que otra especie nativa corbiculid, Polymesoda solida, se encuentra comúnmente en las lagunas mixohaline. Las densidades de C. fluminea oscilaron desde 10 hasta 100 ind/m2 junto con un número bajo de P. solida. Longitudes varió entre 10 a 43 mm en un sustrato fangoso predominante. Los pescadores locales han señalado que C. fluminea se estableció aproximadamente en 1992; esta almeja está siendo explotada artesanalmente para el consumo humano, junto con P. solida, aunque la pesca se centra principalmente en esta última, debido a su tamaño más grande.
Journal
Boletín de investigaciones marinas y costeras
Volume
37
Issue/Article Nr
1
Publisher or University
INVEMAR, Santa Marta (Colombia)
Resource/Dataset Location
http://www.invemar.org.co/siad/descarga.jsp?type=documento&id=848
URI
http://hdl.handle.net/1834/3494
Collections
3. Boletín de Investigaciones Marinas y Costeras

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