translate English to French: In addition to changes in fish populations, they also reflect changes in gear used (e.g., the type of net), shifts in preferences, the effect of restrictions on allowable catch, and other variables.
Outre les changements au sein des populations de poissons, les registres reflÃ¨tent Ã©galement l'Ã©volution des engins de pÃªche (p.Â ex., le type de filet) et des prÃ©fÃ©rences, l'effet des restrictions relatives aux captures autorisÃ©es et autres variables.