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DIGITAL.CSIC
Article . 2010 . Peer-reviewed
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Sardine growth in the Catalan Sea (NW Mediterranean) determined by means of otolith interpretation and length frequency data

Authors: Pertierra, Juan Pablo; Morales-Nin, Beatriz;

Sardine growth in the Catalan Sea (NW Mediterranean) determined by means of otolith interpretation and length frequency data

Abstract

[ES] La edad y el crecimiento de Sardina pilchardus fueron determinados por medio de la interpretación de los otolitos y validada por análisis de frecuencia de tallas. Asimismo los otolitos fueron analizados por microscopía electrónica para verificar los ritmos de crecimiento diario. Se comparan 10s parámetros obtenidos con aquéllos hallados por lectura de escamas. El crecimiento de la sardina en el Mediterráneo occidental es relativamente lento con numerosas clases de edad en la población. Los parámetros de crecimiento son: L, = 20.08. K = 0,2348, t,, = -2.733. Las tallas que resultan (en cm) son: 11,72 (1), 13.47 (2), 14,85 (3), 15.95 (4), 16,81 (S), 17.50 (6), 18.04 (7), 18.46 (8+).

[EN] Age and growth of Sardina pilchardus were determined by means of otolith interpretation and validated by length frequency analysis. Otoliths were studied by SEM techniques in order to verify daily growth rates. Growth parameters obtained by means of scale interpretation are compared. Growth of sardine in the NW Mediterranean is rather low with numerous age classes in the population. Growth parameters are: L&inf; = 20.08, K = 0.2348, t0 = 2.733. Fitted lengths (cm) at age are: 11.72 (1). 13.47 (2), 14.85 (3), 15.95 (4), 16.81 (5), 17.50 (6), 18.04 (7), 18.46 (8+).

This communication is part of the results of the research project: "La Pesquería de Catalunya, Descripción Global y Planteamiento de las Bases para su Seguimiento". Sponsored by European Community Dir. Gen. XIV- B-1.

6 páginas, 3 figuras, 5 tablas.

Peer reviewed

Country
Spain
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Keywords

NW Mediterranean, Sardina, Sardine, NE Mediterráneo, Growth, Crecimiento

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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).
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impulse
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