TABLE OF CONTENTS


11. Freshwater Fish And Fish Habitat

11.1 Existing Environment

11.1.1 Environmental Assessment Boundaries

11.1.1.1 Administrative Boundaries
11.1.1.2 Technical Boundaries

11.1.2 Methods
11.1.3 Existing Conditions

11.1.3.1 Aquatic Habitat
11.1.3.2 Fish Habitat
11.1.3.3 Fish Species
11.1.3.4 Fish Movement
11.1.3.5 Fish Production
11.1.3.6 Fish Health

11.1.4 Likely Future Conditions

11.2 Environmental Effects Assessment

11.2.1.1 Reid Brook Watershed
11.2.1.2 Southern Watersheds
11.2.1.3 Throat Bay Watershed
11.2.1.4 North Tailings Basin Watershed
11.2.1.5 Pond 65 Watershed
11.2.1.6 Option 5 Watershed
11.2.1.7 Pond 67 Watershed
11.2.1.8 Little Reid Brook
11.2.1.9 Marine Habitat of Arctic Charr
11.2.1.10 Accidental Events
11.2.1.11 Cumulative Environmental Effects
11.2.1.12 Environmental Design, Mitigation and Optimization

11.3 Residual Environmental Effects

11.3.1 Construction
11.3.2 Operation
11.3.3 Decommissioning
11.3.4 Post-Decommissioning
11.3.5 Accidental Events
11.3.6 Follow-Up Program

11.4 References

Appendix 11A Environmental Effects Assessment Synthesis: Freshwater Fish and Fish Habitat



LIST OF FIGURES

Figure 11.1 Simplified Typical Aquatic Ecosystem
Figure 11.2 Assessment Area for Freshwater Fish and Fish Habitat
Figure 11.3 Stream Hydrology Mean Monthly Discharge as a Percentage of Drainage Area
Figure 11.4 Fish Habitat for Reid Brook Watershed, Main Stem
Figure 11.5 Fish Habitat for Reid Brook Watershed, Pond 54 Brook
Figure 11.6 Fish Habitat for Reid Brook, Camp Brook - Tributary 2
Figure 11.7 Fish Habitat for Reid Brook Watershed, Tributary 4
Figure 11.8 Fish Habitat for Southern Watersheds
Figure 11.9 Fish Habitat for Throat Bay Brook
Figure 11.10 Fish Habitat for North Tailings Basin Brook Watershed
Figure 11.11 Fish Habitat for Pond 65 Watershed
Figure 11.12 Fish Habitat for Option 5 Brook
Figure 11.13 Fish Habitat for Pond 67 Watershed
Figure 11.14 Fish Habitat for Little Reid Brook Watershed
Figure 11.15 Freshwater Habitat Accessible to Anadromous Arctic Charr Stocks
Figure 11.16 Distribution of Resident Arctic Charr and Lake Trout in Assessment Area Watersheds
Figure 11.17 Spatial Extent of Residual Environmental Effects on Snails During Operations
Figure 11.18 Spatial Extent of Residual Environmental Effects on Charr During Operations
Figure 11.19 Spatial Extent of Residual Environmental Effects on Snails During Post-Decommissioning
Figure 11.20 Spatial Extent of Residual Environmental Effects on Charr During Post-Decommissioning


LIST OF TABLES

Table 11.1 Fish Species Present Within Watersheds of the Assessment Area
Table 11.2 Summary of Anadromous Arctic Charr Behaviour and Diet
Table 11.3 Average Standing Stock Estimates for Watersheds in the Assessment Area
Table 11.4 Potential Environmental Effects Within Reid Brook Watershed
Table 11.5 Potential Environmental Effects Within Southern Watersheds
Table 11.6 Potential Environmental Effects Within Throat Bay Watershed
Table 11.7 Potential Environmental Effects Within North Tailings Basin Watershed
Table 11.8 Potential Environmental Effects Within Pond 65 Watershed
Table 11.9 Potential Environmental Effects Within Option 5 Watershed
Table 11.10 Potential Environmental Effects Within Pond 67 Watershed
Table 11.11 Potential Environmental Effects Within Little Reid Brook
Table 11.12 Residual Environmental Effects for Reid Brook Watershed^a
Table 11.13 Residual Environmental Effects for North Tailings Basin Watershed^a
Table 11.14 Residual Environmental Effects for Throat Bay Watershed
Table 11.15 Residual Environmental Effects for Pond 67 Watershed