Figure 3

Mean plasma concentrations of neurotransmitters in caged goldfish from Cootes Paradise Marsh (CPM1, CPM2, and CPM3) and the reference site, Jordan Harbour (JH). A and B denote groups with significantly different means (ANOVA, n = 25, p < 0.05, Tukey’s Multiple Comparison, α = 0.05). Error Bars = 95% CI. Arrow indicates a significant linear trend.