Sustainable Increase of Marine Harvesting: Fundamental Mechanisms and New Concepts

MARICULT Research Programme: background, status and main conclusions.- Pelagic food web configurations at different levels of nutrient richness and their implications for the ratio fish production:primary production.- The importance of silicon for marine production.- Silicate availability, vertical mixing and grazing control of phytoplankton blooms in mesocosms.- The influence of turbidity on growth and survival of fish larvae: a numerical analysis.- Grid-generated turbulence in a mesocosm experiment.- Micro- and mesozooplankton response to enhanced nutrient input — a mesocosm study.- European mussel cultivation along the Atlantic coast: production status, problems and perspectives.- Effect of nutrient supply on growth of blue mussels (Mytilus edulis) in a landlocked bay.- Response on scallop culture to enhanced nutrient supply by experimental fertilisation of a landlocked bay.- Coastal upwelling, primary production and mussel growth in the Was Baixas of Galicia.- Effects of the large-scale uncontrolled fertilisation process along the continental coastal North Sea.- Littoral macrofauna (secondary) responses to experimental nutrient addition to rocky shore mesocosms and a coastal lagoon.- Are rocky shore ecosystems affected by nutrient-enriched seawater? Some preliminary results from a mesocosm experiment.- Production enhancement by artificial upwelling: a simulation study.- Controlled artificial upwelling in a fjord using a submerged fresh water discharge: computer and laboratory simulations.