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Détermination de l'âge des chinchards (Trachurus trachurus et Trachurus trecae) de la ZEE mauritanienne par otolithométrie.

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Author
Mylnikov, N.
Ba, I.S.
Date
1990

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Alternative Title
Age determination of two horse-makerels fishes by otolithometry (Trachurus trachurus and Trachurus trecae) in the Mauritanian EEZ
Abstract
Résumé : Cette étude traite de la détermination de l’âge des chinchards Trachurus trachurus et Trachurus trecae pêchés dans la ZEE mauritanienne de juin 1987 à décembre 1988. La méthode utilisée est celle dite de lecture directe des otolithes selon l’hypothèse : « une marque = une année ». Les paramètres de croissance estimés sont dans la plupart des cas voisins de ceux déjà obtenus sur ces deux espèces dans la région, mais restent cependant tributaires de la période et de la périodicité de formation des marques. Abstract : This work studies the age determination of horse-mackerels Trachurus trachurus and Trachurus trecae fished in Mauritanian waters from June 1987 to December 1988, using the direct reading of otoliths with the hypothesis: « One mark = one year ». The growth parameters estimated are, in most cases, neighbouring of those parameters obtained on the two species in the area, but are reliant on the annual appearance of the marks
Journal
Bulletin Scientifique CNROP
Volume
21
Publisher or University
IMROP
URI
http://hdl.handle.net/1834/784
Collections
01. Bulletin Scientifique de l'IMROP
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