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handle: 10261/28338
[ES] En el presente trabajo se describe la pesquería de la anchoa (Engraulis encrasicolus), la flota involucrada en su explotación y los parámetros biológicos básicos, todo ello con el fin de proporcionar una información adecuada sobre la explotación de las poblaciones del Mediterraneo noroccidental. Se han reunido los trabajos que tratan sobre evaluación de la anchoa usando diferentes metodologías y comparado los resultados. La biomasa de anchoa ha sido estimada por medio de los métodos acústico y por de producción de huevos, ambos métodos son directos pero no incorporan información pesquera que integre la variabilidad de la explotación del recurso (mortalidad por pesca). Se han analizado los desembarcos de seis de los principales puertos del Mediterráneo noroccidental (Castelló, Barcelona, Port de la Selva, Sète, Savona y Sestri-Levante), asimismo se han obtenido frecuencias de tallas que han sido analizadas mendiante la técnica de Length Cohort Analysis, de forma que se pueden dar resultados preliminares para establecer la tasa de explotación. Los resultados no muestran sobrepesca de crecimiento, pero, con el fin de prevenir una posible sobrepesca de reclutamiento, son recomendables las vedas temporales en otoño e invierno, lo cual garantizaría al menos un periodo de puesta para la mayoría de individuos
[EN] The present study describes the anchovy (Engraulis encrasicolus) fishery, the fleet involved in its exploitation, and the basic biological parameters, to provide more accurate information on the exploitation rate of the North Western Mediterranean stocks. We have compiled studies that deal with its assessment and have compared results from different methodologies. Anchovy biomass has been estimated by acoustics and egg production methods, both being direct methods but with a lack of fisheries information that integrates the exploitation variable on the anchovy resource (fishing mortality). We have analyzed the landings of six major ports in the NW Mediterranean Sea (Castelló, Barcelona, Port de la Selva, Sète, Savona and Sestri-Levante) obtained length frequencies and applied a Length Cohort Analysis so that preliminary results are given in order to state the exploitation rate. Results show no growth overexploitation but in order to prevent recruitment overfishing, seasonal closures during autumm and winter would be advisable. These would take into account the first maturity size that appears larger than catch’s mean sizes in order to ensure at least one spawning season for most of the individuals
The Evaluation and biomass estimates chapter of the present study has been carried out within the FAR project: Northwestern Mediterranean Anchovy: Distribution, Biology, Fisheries and biomass estimation by different methods; supported by the Directorate General for Fisheries (DG XIV) of the EU
11 páginas, 7 figuras, 10 tablas
Peer reviewed
NW Mediterranean, Engraulis encrasicolus, Anchovy, Fisheries, Pesquerías, Mediterráneo noroccidental, Northwestern Mediterranean
NW Mediterranean, Engraulis encrasicolus, Anchovy, Fisheries, Pesquerías, Mediterráneo noroccidental, Northwestern Mediterranean
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