Bar plots of the mean relative abundance for (a) low-impacted sites and (b) urbanized sites for each sample period.

Included are shifts in mean relative abundance for three native species: C. occidentalis, O. mykiss, and L. symmetricus. Additionally, we present mean relative abundance for the following groups: other native cyprinids, other natives, other nonnatives, and piscivorous nonnatives (centrarchids and A. flavimanus). These groups were created for visual purposes and were not used in the analysis.