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La pesquería de Penaeus stylirostris (Decapoda: Penaeidae) en el Golfo de Nicoya, Costa Rica

Authors: Palacios, J. A.; Angulo, R.; Rodríguez, J. A.;

La pesquería de Penaeus stylirostris (Decapoda: Penaeidae) en el Golfo de Nicoya, Costa Rica

Abstract

Un análisis de cohortes en P. stylirostris en la parte interna del Golfo de Nicoya, demostró una sobrepesca en los machos para las longitudes de 150-160 y ?: 170 mm y las hembras en la talla?: a 170 y la tasa instantánea de mortalidad por pesca en machos presentó su mayor valor en las longitudes 150-160, y las hembras en la talla ?:170. Las capturas mayores se dan en talla ?: 140 . La flota artesanal reportó una captura de 29 457 kg de camarón blanco (P. stylirostris, P. occidentalis) lo que equivale a US $558 210; en el mes de agosto se capturaron 429 908 camarones para un esfuerzo pesquero de 1 378 días de pesca, se encontró un factor de estandarización del esfuerzo para la flota artesanal de 0.5. La especie que presentó mayor porcentaje en la captura fue P. occidentalis con un porcentaje de 55.06.

A cohort analysis was perfonned for Penaeus stylirostris Stimpson, 1871 in the inner Gulf of Nicoya. Overfishing is evident for males 150-160 mm and in females over 170 mm in length. These groups also showed the highest instantaneous mortality cates. Higher catches are for sizes 130-140 mm. The small-scale fishing fleet reportedIy caught 29 457 Kg of white shrimp (Penaeus occidentalis Streets, 1871 y P. stylirostris) equivalent to US $ 558 210. During August 427 708 kg of shrimp were caught in a I 378 days fishing effort; a standardization factor of 0.5. was revealed for the small-scale fishing fleet effort. The highest capture percentage for Penaeus occidentalis was 55.06

Country
Costa Rica
Keywords

PESCA ARTESANAL, PESQUERÍAS, PENAEUS STYLIROSTRIS, GOLFO DE NICOYA (COSTA RICA), FISHERIES

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selected citations
These citations are derived from selected sources.
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).
BIP!Citations provided by BIP!
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!
0
Average
Average
Average
Green