GMSMON-17 WILLISTON RESERVOIR TRIBUTARY - BC Hydro

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� May 22, 2012 Report No. 1114920016-R-Rev0-2000 24 GMSMON-17 WILLISTON RESERVOIR TRIBUTARY HABITAT REVIEW 50 mm would then be marked with a fish hook tag. A succeeding night-time snorkel survey would then count fish in various habitats (i.e., pools, riffles, etc.) and identify the proportion of observed fish that are marked, allowing for a population estimate. It is assumed that a greater area of each stream will be surveyed via this method resulting in greater detection of fish. A number of health and safety considerations are required for this type of work and a comprehensive plan and review process will occur, in consultation with BC Hydro, prior to the commencement of this program. The amphibian monitoring procedure should be adjusted to better reflect field conditions and allow for a consistent approach at each stream, despite considerable differences in the availability and quality of habitat. It is recommended that an area constrained search approach be adopted whereby searchers spend the required time to adequately search available prime habitat (i.e., wetlands and lentic side channels) so that time is not wasted searching poor habitat. The effort is then recorded via an estimate of the area searched by each searcher and the total person-time spent, rather than simply constrained by time, which we found resulted in searching poor habitat to fill the required search period. Scheduling for the 2012 field program will be contingent on BCH’s approval of the above recommendations. If all are adopted, we suggest that the field program be scheduled over two field visits. The first in the spring once water temperatures are suitable for Rainbow Trout spawning surveys; amphibian surveys and mapping of suitable spawning areas in the stream would also be undertaken at this time. Fisheries population work and additional amphibian sampling would then occur in the summer.
6.0 CLOSURE May 22, 2012 Report No. 1114920016-R-Rev0-2000 25 GMSMON-17 WILLISTON RESERVOIR TRIBUTARY HABITAT REVIEW We trust that the information contained in this summary report meets your present requirements. Please contact the undersigned if you have any questions or concerns regarding this report. GOLDER ASSOCIATES LTD. ORIGINAL SIGNED ORIGINAL SIGNED Darryl Arsenault, M.Sc., R.P.Bio. Bob Chapman, R.P.Bio. Fisheries Biologist Associate, Biosciences Group Manager TS/KP/DA/BC/tc Golder, Golder Associates and the GA globe design are trademarks of Golder Associates Corporation. n:\active\2011\1492\11-1492-0016 williston\deliverables\wp\final 2011 report 22may_12\1114920016-r-rev0-2000-final 2011 report 22may_12.docx
Page 1 and 2: Peace Project Water Use Plan Willis
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Page 7 and 8: Acknowledgements May 22, 2012 Repor
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Page 13 and 14: 1.1.1 Fish Surveys May 22, 2012 Rep
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Page 61 and 62: Permit No.: PG11-70349 Last Updated
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APPENDIX F Fish Site Cards May 22,
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APPENDIX H Vegetation Survey Forms
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Golder Associates Ltd. 220 - 1755 S
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GMSMON-17 WILLISTON RESERVOIR TRIBUTARY - BC Hydro

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