Table 2. Pairwise comparisons of coefficient of variation (CV) for velocity within a reach per measurement period for each flow period.

Reference and demonstration reaches compared Before and after restoration compared
Low flows Medium flows All flows Low flows Medium flows All flows
before after before after before after best practice demon-stration best practice demon-stration best practice demon-stration
Mean difference -0.14 0.04 -0.04 0.04 -0.09 0.04 0.07 0.24 -0.02 0.12 0.03 0.17
t-statistic -1.22 0.50 -0.71 0.53 -1.44 0.77 0.97 2.49 -0.31 1.67 0.60 3.05
p-value (one-sided) 0.18 0.34 0.29 0.33 0.14 0.29 0.24 0.03 0.36 0.09 0.33 0.01
 
Note: Significant differences (α=0.1) are underlined.