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2018•DIGITAL.CSIC (Spanish National Research Council (CSIC))Open access

Report on gonadosomatic index, size at firs maturity and reproductive parameters

Marta Albo Puigserver, Marta Coll, J.M. Bellido-Millán, Ana María Chocrón Giráldez, Manuel Hidalgo, Mario Sbrana

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Abstract

European anchovy (Engraulis encrasicolus) and European sardine (Sardina pilchardus) have short lifespan and produce many eggs per body mass. Both species usually spawn at 1 year old. In order to understand population dynamics in small pelagic fish in the Mediterranean Sea it is necessary to have a good knowledge on the life-history traits of sardine and anchovy such as reproduction parameters and assess if there has been changes of these traits from the past to the present. [...]

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European anchovy (Engraulis encrasicolus) and European sardine (Sardina pilchardus) have short lifespan and produce many eggs per body mass. Both species usually spawn at 1 year old. In order to understand population dynamics in small pelagic fish in the Mediterranean Sea it is necessary to have a good knowledge on the life-history traits of sardine and anchovy such as reproduction parameters and assess if there has been changes of these traits from the past to the present. [...]

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Available abstract

European anchovy (Engraulis encrasicolus) and European sardine (Sardina pilchardus) have short lifespan and produce many eggs per body mass. Both species usually spawn at 1 year old. In order to understand population dynamics in small pelagic fish in the Mediterranean Sea it is necessary to have a good knowledge on the life-history traits of sardine and anchovy such as reproduction parameters and assess if there has been changes of these traits from the past to the present. [...]

Key concepts: Gonadosomatic Index, Index (typography), Maturity (psychological), Statistics, Biology, Mathematics, Population, Demography

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