/pdf/fish-community-responses-to-the-land-use-change-and-3w4sgce6ld.pdf

Fish Community Responses to the Land Use Change and Environmental Variability in Estuaries

iv RESUME v INTRODUCTION 1 CONTEXT 1 BACKGROUND 2 REGULARLY FREQUENTED MARINE HABITAT 2 THE GULF OF MAINE 4 Circulation Patterns 4 BAY OF FUNDY 4 Geomorphology 4 Surface Currents 5 Tides 6 Salinity 6 Temperature 7 Productivity 7 Prey of Atlantic Salmon 7 FRESHWATER AREAS OF CRITICAL HABITAT 9 ESTUARINE AND MARINE AREAS OF OCCUPANCY 9 SMOLT 9 POST-SMOLTS 10 Historical Tagging: 1963-1990 10 First Electronic Tagging Study: 1999 11 Second Electronic Tagging Study: 2001-2002 13 Trawling Surveys: 2001-2003 15 MATURING AND NON-MATURING SALMON 17 RETURNING ADULTS 17 Bay of Fundy Commercial/Salmon Fisheries 18 Inner Bay of Fundy in-River Recreational Fisheries 20 KELTS 21 SUMMARY: LIFE STAGE USAGE OF ESTUARINE/MARINE HABITAT 22 Smolts 22 Post-Smolts 23 Maturing/Non-Maturing Salmon 24 Returning Adults 24 Kelts 25 PROPOSAL FOR IMPORTANT HABITAT 25 RESEARCH RECOMMENDATIONS 26 ADDITIONAL RESEARCH 29 ADDITIONAL CONSIDERATIONS 29 ACKNOWLEDGEMENTS 29 LITERATURE CITED 30 TABLES 37 FIGURES 42 ANNEX 1 67 Maritimes Region iBoF Atlantic Salmon Marine Habitat

T. L. Marshall

Papers

Inner Bay of Fundy (iBoF) Atlantic Salmon (Salmo salar) Marine Habitat: Proposal for Important Habitat