Aquaculture production has increased rapidly during the last three decades. This is due toincreased production of established species as well as a continuous introduction of newspecies. Productivity growth is the main engine for the increased production in aquaculture,and as the accumulated...

In recent years an increasingly common feature in international trade is cases where animporting country finds production practices in exporting countries unacceptable, and whereone seeks to change these practices by imposing trade restrictions. Examples includeunacceptable environmental...