Abstract
This document treats, in a first part, theinputs of the big rivers (out flow, suspended solids, nutriments, polluants) on littoral fisheries in the Meditranean ans the Adriatic sea. The second part presents the fisheries in the coastal lagoons. Then , the effets of out flow, suspended solids, nutriments imputs, hot water imputs, chemical polluants on the ecosysteme, the species, and the captures are presented.