Table 1. Mean and standard deviation (SE) for measured parameters in the streams per site and study period, in low and medium water-flow conditions combined.

Variable Site Study
period
Mean SD
Current velocity (m/s) reference before 0.37 0.33
after 0.34 0.33
demonstration before 0.46 0.37
after 0.35 0.33
Stream width (m) reference before 12.99 8.50
after 13.83 9.70
demonstration before 12.79 5.63
after 14.51 5.65
 
Notes: “Before” = prerestoration; “after” = postrestoration of demonstration reaches. Underlined numbers are significantly different (P<0.05, t-test).