highly significantp < 0.001
Analyses of barrier and vegetation demonstrated that both are highly significant sources of variation in each watershed (barrier: Clatse, F 1 = 70.14; Neekas, F 1 = 409.63, p < 0.001 for both, two-way ANOVA; vegetation species Clatse, F 5 = 6.31; Neekas F 5 = 7.05, p < 0.001, for both).