Upwelling Ecosystems -

. .

Sommaire:
Ecosystem Research in Upwelling Regions.- Ecosystem Analysis and the Definition of Boundaries in Upwelling Regions.- What is an Upwelling Ecosystem?.- Mesoscale Heterogeneities of the Phytoplankton Distribution in the Upwelling Region of NW Africa.- On the Ecological Significance of Thalassiosira partheneia in the Northwest African Upwelling Area.- Zooplankton Communities in the West African Upwelling Area.- Relative Abundance of Zooplankton Groups in the Northwest African Upwelling Region During 1968 and 1972.- Mesodinium rubrum in the Baja California Upwelling System.- Regeneration of Nitrogen by Zooplankton and Fish in the Northwest Africa and Peru Upwelling Ecosystems.- Upper Trophic Levels in Upwelling Areas.- Food Consumption of Pelagic Fish in an Upwelling Area.- Benthos in Upwelling Regions.- Role of Bacteria in an Upwelling Ecosystem.- Heterotrophic Activity in the Mauritanian Upwelling in March 1973: Assimilation and Mineralization of Amino Acids.- Physical Aspects and Biological Consequences of Ghanaian Coastal Upwelling.- Oceanographic Conditions in the Galapagos Archipelago and Their Relationships with Life on the Islands.- Hydrographical Aspects of Upwelling Regions.- Role of Mixing in the Dynamics of Upwelling Systems.- The Circulation of Large Lakes.- Hydrologic Aspects of the Main Upwelling Areas off Peru.- Geological Aspects of Upwelling Regions.- Sediments as Indicators of Upwelling.- Sedimentation Influenced by Upwelling in the Subtropical Baie Du Levrier (West Africa).- General Aspects of Upwelling Research.- Upwelling Research and Ocean Affairs.