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Some aspects of the age and growth of the anchoveta, Cetengraulis mysticetus, in the Gulf of Panama

Authors: Bayliff, William H.;

Some aspects of the age and growth of the anchoveta, Cetengraulis mysticetus, in the Gulf of Panama

Abstract

ENGLISH: Length-frequency samples of anchovetas were collected from January 1956 to March 1963. The findings for the most part corroborate those of previous studies in regard to the general pattern of age and growth. Recent tag returns demonstrate that some of the fish survive at least to the beginning of their fourth year of life. In 1961 and 1962 the fish were considerably larger than in any previous year for which data are available. The annual variation in the size of the young of the year is apparently related to the amount of upwelling and the density of the population during the early months of the year. SPANISH: De enero de 1956 a marzo de 1963 se recolectaron muestras de lasfrecuencias de longitud de las anchovetas. Las investigaciones, en su mayor parte, corraboran los resultados de los estudios anteriores referentesa los patrones generales de la edad y el crecimiento. Recobros recientes de mareas demuestran que algunos de los peces sobreviven por lo menos hasta el comienzo de su cuarto año de vida. En 1961 y 1962 los peces fueron considerablemente más grandes que en cualquiera de los añosanteriores de los que se tienen datos disponibles. La variación anual en el tamaño de los peces jóvenes del año está aparentemente relacionada con el volumen del afloramiento y la densidad de la población durante losprimeros meses del año.(PDF contains 51 pages)

This article is bilingual and contains both Spanish and English translations.

Keywords

edad y del crecimiento, Cetengraulis mysticetus, anchoveta, Fisheries, Golfo de Panamá, age and growth, Gulf of Panama

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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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