By-Catch: Problems and Solutions

摘要

By-catch is one of the most significant issues affecting fisheries management today. Incidental mortality of spe- cies which are long-lived and have low reproductive rates is a conservation problem affecting marine mammals, sea birds, sea turtles, sharks and other groups. By-catches can affect biodivesity through impacts on top predators, the removal of individuals from many species, or by elimina- tion of prey.