Fig. 6. Mean values (±S.D., N=4–10) of actual rearing and loading (solid line and filled
squares) densities for (a) Dalrymple-raised smolts and (b) Georgie Lake raised smolts
compared with the relative fish density observed on the video recordings (broken line
and open squares). Dissimilar small case letters indicate significant differences (α=0.05)
in observed densities within the same group (from the same freshwater farm) and
between groups, while dissimilar upper case letters indicate significant differences in
actual densities within and between groups.