Modéle multicouche de la dynamique d'une population marine

Abstract

Throughout this thesis we made a mathematiical analysis of a model representhing the growth of larvae; whith is istself described as a consequence of larvae eathing phytopllankton but the scarcity of data leads us to proceed differently the modl focuses on the passive stage a relatively short period differently. the in the early larval stage is unable to move by itsellf and is yolk-sac.