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Recuperación de las poblaciones naturales de bivalvos de interés comercial en el río Carreras (Huelva, suroeste de la península Ibérica)

Authors: Navajas, R.; Royo, A.; González Bedoya, J. L.; Ruiz, P.;

Recuperación de las poblaciones naturales de bivalvos de interés comercial en el río Carreras (Huelva, suroeste de la península Ibérica)

Abstract

Para establecer una metodología aplicable a la recuperación de los yacimientos naturales de moluscos bivalvos de interés comercial en el río Carreras (suroeste de la península Ibérica), se han ensayado técnicas empleadas en la gestión de recursos, considerándolos como semicultivos extensivos. Durante los años 2003 y 2004 se han aplicado diferentes tratamientos: 1) oxigenación y limpieza del sustrato; 2) enmiendas edáficas por adición de áridos; y 3) repoblaciones con especies autóctonas. La adición de áridos ha proporcionado resultados significativos, a diferencia de los tratamientos de oxigenación y limpieza, de escasa incidencia en el aumento del reclutamiento. Las siembras con especies autóctonas han registrado bajos índices de supervivencia y no han supuesto mejoras en las poblaciones.

Techniques in marine resources management have been assessed to establish a methodology for the restoration of commercial shellfish beds in the Carreras River (southwestern Iberian Peninsula), considered as extensive semi-cultivations. The following experimental actions or substrate modifications were analysed during the years 2003 and 2004: 1) oxygenation and cleaning of substrate, 2) changing of the substrate by sand addition, and 3) restocking with autochthonous species.

Instituto Español de Oceanografía

Country
Spain
Keywords

Venerupis pullastra, Reclutamiento, repoblaciones, Ruditapes decussatus, enmiendas del sustrato, Medio Marino

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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