TABLE OF CONTENTS
12. MARINE FISH AND HABITAT
12.1 Existing Environment
12.1.1 Environmental Assessment Boundaries
12.1.1.1 Administrative Boundaries
12.1.1.2 Technical Boundaries
12.1.2 Methods
12.1.3 Existing Conditions
12.1.3.1 Seawater Chemistry
12.1.3.2 Biological Oceanography - Phytoplankton and Zooplankton
12.1.3.3 Sediment Quality
12.1.3.4 Intertidal/Subtidal Epibenthic Communities
12.1.3.5 Fish Communities
12.1.3.6 Chemical Profiles of Marine Fish and Shellfish
12.1.3.7 Coastal Geomorphology
12.1.4 Likely Future Conditions
12.2 Environmental Effects Assessment
12.2.1 Modelling
12.2.2 Edward's Cove and the Shipping Channel
12.2.2.1 Edward's Cove - Dilution Model
12.2.2.2 Sedimentation
12.2.2.3 Accumulation of Metals
12.2.2.4 Eutrophication
12.2.2.5 Habitat Alteration or Loss
12.2.2.6 Accidental Events
12.2.3 Kangeklualuk Bay and Kangeklukuluk Bay
12.2.3.1 Kangeklualuk Bay - Dilution Model
12.2.3.2 Sedimentation
12.2.3.3 Changes in Salinity
12.2.3.4 Accumulation of Metals
12.2.3.5 Accidental Events
12.2.4 Throat Bay and Voisey's Bay
12.2.4.1 Accumulation of Metals
12.2.4.2 Accidental Events
12.2.5 Cumulative Environmental Effects
12.2.6 Environmental Design, Mitigation and Optimization
12.3 Residual Environmental Effects
12.3.1 Construction
12.3.2 Operation
12.3.3 Decommissioning
12.3.4 Post-Decommissioning
12.3.5 Accidental Events
12.3.6 Follow-up Program
12.4 References
Appendix 12A Environmental Effects Assessment Synthesis: Marine Fish and Habitat
LIST OF FIGURES
Figure 12.1 The Biological Cycle and Food Web in Arctic and Subarctic Marine Waters
Figure 12.2 Marine Fish and Habitat Assessment Area
Figure 12.3 Seawater, Sediment and Biological Oceanography Sampling Sites for 1995, 1996, and 1997 Baseline Studies
Figure 12.4 Intertidal/Subtidal Survey Areas for 1996 and 1997 Baseline Studies
Figure 12.5 Fish Sampling and Body Burden Sampling Sites for 1995 and 1996 Baseline Studies
Figure 12.6 Coastal Geomorphology Survey Locations
Figure 12.7 Bathymetric Contours of Anaktalak Bay, Kangeklualuk Bay and Voisey's Bay
Figure 12.8 Marine Biota Body Burden Sampling Stations - Anaktalak Bay
Figure 12.9 Marine Biota Body Burden Sampling Stations - Kangeklualuk Bay
Figure 12.10 Marine Biota Burden Sampling Stations - Voisey's Bay
Figure 12.11 Discharges of Treated Effluent to Anaktalak Bay - Average Summer Dilutions During Start Up
Figure 12.12 Discharges of Treated Effluent to Anaktalak Bay - Average Winter Dilutions During Start Up
Figure 12.13 Disturbance Area of Temporary and Permanent Port Facility
Figure 12.14 Affected Area for an Oil Spill Originating at Edward's Cove During July
Figure 12.15 Affected Area for an Oil Spill Originating at Paul Island During July
Figure 12.16 Discharges of Treated Effluent to Kangeklualuk Bay - Average Summer Dilutions During Underground Operations
Figure 12.17 Discharges of Treated Effluent to Kangeklualuk Bay - Average Winter Dilutions During Underground Operations
LIST OF TABLES
Table 12.1 Comparative Seawater Chemistry Data (ug/L)
Table 12.2 Range and Median of Water Quality Parameters (1995 and 1996) (ug/L)
Table 12.3 List of Most Abundant Phytoplankton Species
Table 12.4 List of Most-Abundant Zooplankton and Planktonic Fish Species
Table 12.5 Surface Sediment Chemistry Parameter Means from the Project Area (1995, 1996) and Guidelines (Total Concentration in mg/kg)
Table 12.6 Comparative Marine Sediment Chemistry Ranges and Means (Total Concentration in mg/kg dry weight)
Table 12.7 Summary of Marine Sediment Toxicity Test Results
Table 12.8 Results of Infaunal Species Sampling
Table 12.9 Potential Environmental Effects at Anaktalak Bay at Edward's Cove and the Shipping Channel
Table 12.10 Potential Environmental Effects at Kangeklualuk and
Kangeklukuluk Bay
Table 12.11 Potential Environmental Effects at Throat Bay and Voisey's Bay
Table 12.12 Oil Residence Index Classification
Table 12.13 Residual Environmental Effects
