Falls River Project Water Use Plan Falls River Fish ... - BC Hydro

Falls River WUP Monitoring 2008/2009
Figure 12: Relationship between total discharge (cms) and water depth (m) in the Falls River
tailpond from September, 2008 to May, 2009.* Data has been modified to account
for fluctuations in water depth due to tidal influence. ............................................... 23
Figure 13: Frequency distribution graphs showing change in cumulative particle size composition
(%) of substrate at each sample site based on modified Wolman pebble counts (size
classes (x-axis) are log 2 transformation of ½ phi steps)............................................. 26
Figure 14: Schematic showing placement of Jordan-Scotty incubation cassettes within
an Incubation Area. ............................................................................................... 29
List of Tables
Table 1: Egg incubation survival rates 2003/04 Falls River Incubation Study ............................ 5
Table 2: Water column physicochemical parameters 2003/2004 Incubation Study ................... 5
Table 3: Average depth and velocities 2003/2004 Incubation Study (see Figure 4 for site and
location information)................................................................................................ 6
Table 4: UTMs for sample site locations along right bank of tailpond (see Figure 10 for overview
location)................................................................................................................ 16
Table 5: Water depth (m) and velocity (m/s) at each sample site location. ............................... 19
Table 6: Physicochemical Data from Water Column and Intragravel Samples. ......................... 20
Table 7: Relationship between water depth at the pressure transducer and incubation areas 1 and
2. January 6 th average depths are extrapolated points.............................................. 24
List of Appendices
Appendix I: Average Hourly: Water Level and Discharge Data (Sept. 23/08 to May 15/09)
Appendix II: Tide Levels (Prince Rupert) – September 23 rd , 2008 to May 15 th , 2009
Appendix III: Gauging Station Installation Information.
Appendix IV: Piezometer Installation Procedure
Cambria Gordon and Metlakata Fisheries vi