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Determinación del crecimiento de la caballa Scomber japonicus (Houttuyn, 1782) de las islas Canarias a través del análisis de las frecuencias de tallas

Authors: Lorenzo Nespereira, J. M.ª; González Pajuelo, J. M.;

Determinación del crecimiento de la caballa Scomber japonicus (Houttuyn, 1782) de las islas Canarias a través del análisis de las frecuencias de tallas

Abstract

Se determinó el crecimiento de la caballa Scomber japonicus (Houttuyn, 1782) de las islas Canarias a través del análisis de las frecuencias de tallas. La longitud total fue medida en 3858 ejemplares capturados al suroeste de Gran Canaria (islas Canarias) entre los meses de marzo de 1988 y julio de 1990. El rango de tallas fue amplio (13-48 cm de longitud total) y su abundancia relativa variable. Las tallas modales discriminadas mediante el método de Bhattacharya (1967) correspondieron a los grupos de edad de 0 a 5 años. El valor de la longitud máxima teórica, obtenida por aplicación del método de Wetherall, Polovina y Ralston (1987), fue 47,3 cm. Los valores de los parámetros de la ecuación de crecimiento estacional oscilatorio de Von Bertalanffy, obtenidos por el método de Pauly y David (1 981), fueron L, = 49,50 cm, k = 0,23 año-1, C = 0,650 y WP = 0,800. Los métodos de análisis de frecuencia de tallas ofrecieron resultados muy satisfactorios para la caballa de las islas Canarias. Dichos resultados fueron muy similares a los obtenidos por lectura directa de los otolitos.

The growth of the chub mackerel Scomber japonicus (Houttuyn, 1782) off the Canary Islands was determined by lenght-frequency analysis. The total length was measured in 3858 individuals captured south-west of Gran Canaria (Canary Islands) from March 1988 to July 1990.The length range was wide (13-48 cm total length) and the frequencies were very variable.

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Scomber japonicus, crecimiento, análisis de frecuencias de tallas, Crecimiento, Chub mackerel, Islas Canarias, Análisis de frecuencias de tallas, 3105 Peces y fauna silvestre, Length-frequency analysis, Peces, Caballa, islas Canarias, Pesquerías

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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.
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