Report on age, growth and age-composition | D1.3.1.1 Report on age, growth and age-composition | SPELMED : Evaluation of the population status and specific management alternatives for the small pelagic fish stocks in the Northwestern Mediterranean Sea : D1.3.1.1 Report on age, growth and age-composition
2018
Morales-Nin, Beatriz | Ramirez, John | Albo Puigserver, Marta | Coll, Marta | Giráldez, Ana | Torres, Pedro | García, Alberto | Bellido, José M. | Carbonara, Pierluigi | Follesa, Maria Cristina | Massaro, Andrea
SC NR. 02 - TENDER EASME/EMFF/2016/32 - SPELMED.-- 77 pages, 10 figures, 7 tables, 56 annexes
Show more [+] Less [-]In order to manage small pelagic fish species, such as European anchovy (Engraulis encrasicolus) and European sardine (Sardina pilchardus), and enable to implement properly stock assessment analysis, it is essential to study the growth and age determination of these species (Arneri et al. 2011). We (1) reviewed current information on growth of both species, (2) calculated new von Bertalanffy growth parameters, and (3) estimated age-length structure for both species in the GSA 06. Our review shows that the validation of the age interpretation is still rather incomplete to date, only indirect methods have been used and even some studies lack formal precision and accuracy. In some cases, length frequency analyses supported the data for the adults and birthdate distributions for the larvae. [...]
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