CONTENTS 



Page 



Foreword iv 



Introduction 1 



Review of literature 4 



Results of investigations, 1957-1958 5 



Oceanographic studies 5 



Temperature and salinity 6 



Tides and tidal currents 6 



Nontidal drift of surface waters 6 



Flow through passages 8 



Bay of Fundy and Gulf of Maine 8 



Kennebecasis Bay, New Briinswick 8 



Biological studies 8 



Herring 8 



Fishery statistics 8 



Populations 10 



Migrations 1 1 



Behavior 12 



Early life history 13 



Plankton and food studies 14 



Exploratory fishing 1 5 



Correlation studies 16 



Other species 16 



Groundfish 16 



Mollusks 16 



Lobsters 1 7 



Anadromous fishes 17 



Miscellaneous 18 



Economic studies 1 8 



Canadian fisheries 1 8 



Herring weir fishery •.• 18 



Herring purse-seine fishery 19 



Herring carrier fleet 20 



Lobster fishery 2,0 



Groundfish fishery 20 



MoUusk fisheries 20 



Fish processing • 21 



United States fisheries 21 



Herring weir fishery 21 



Herring stop-seine fishery 22 



Herring carrier fleet 22 



Groundfish fishery 22 



Lobster fishery 23 



Mollusk fisheries 23 



Anadromous fishes 23 



Miscellaneous 23 



Fish processing 23 



Predictions and conclusions 24 



Oceanographic effects of impoundment 24 



Water levels 25 



Currents 26 



