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DIGITAL.CSIC
Conference object . 2018 . Peer-reviewed
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Ritmos en el crecimiento de Gadus poutassou

Authors: Bas, Carles;

Ritmos en el crecimiento de Gadus poutassou

Abstract

El estudio del crecimiento es cosa que nos viene interesando desde el principio de nuestra labor investigadora. En la actualidad la posibilidad de disponer de abundante material nos permitió utilizarlo con este fin. El desarrollo relativo en esta especie, propia de profundidades bastante grandes, más allá de los 200 metros, ha sido objeto de un trabajo anterior en el que se estudia este tipo de crecimiento en bastantes peces del área mediterránea y, en algunas ocasiones,en comparación con sus congéneres atlánticos. Precisamente en el estudio al que acabamos de hacer referencia, nos dimos cuenta de la presencia de grandes fluctuaciones, lo cual fue estímulo para el presente estudio. En éste se intenta penetrar algo más la naturaleza del fenómeno y se muestran una serie de procesos de tipo rítmico. Para este estudio es preciso seguir, paso a paso las variaciones de crecimiento. Para ellos se ha utilizado una estructura que creemos refleja bien el crecimiento del ser vivo: se trata del otolito mayor o sagita. Para evitar posibles influencias de simetría, se ha escogido siempre el otolito del lado derecho y la lectura, así como la medición de las bandas, se ha efectuado en el sentido transversal por facilidades de amplitud del campo del microscopio y, además, que así se podía aprovechar un mayor número de otolitos, ya que efectuándose la lectura y medición en el extremo aguzado, ciertamente más claro, una buena parte de los otolitos habrían tenido que ser desechados por rotura de la punta que es muy frágil, especialmente en las piezas pequeñas. [...]

Quinta Reunión sobre Producción Marina y Explotación Pesquera en la sede del Intituto de Investigaciones Pesqueras (IIP-CSIC) de Barcelona, celebrada del 24 al 29 de abril de 1965.-- 4 pages

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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.
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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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