be either negative or positive, which entails that for optimal economic exploitation, the forage fishery has to be … adjusted according to the large fish fishery. With the present large fish fishery in the North Sea, the two fisheries are well …

preferred tool for fishery economics since Clark and Munro (1975) introduced capital theory in these models. Ravn-Jonsen (2009c … fishery economics from a simplified view of population and communities. …

. Consequently, the impact of enrichment on fishery profits may be positive or negative. This paper develops a method for analyzing … such problems, using the example of the Black Sea anchovy fishery. Employing a bioeconomic model that incorporates …

-model ; numeric ; fishery ; economic. …

An ecosystem approach means different things to different people. As a result the concept of ecosystem-based fishery … models of fishery ignore the linkages to lower trophic levels. In particular, environmental data and other bottom … models relating to ecosystem-based fishery management especially to the environmental issues. The paper started by reviewing …