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Taxa richness

Taxa richness for epibenthic meiofauna was significantly higher on panels with fins and steps (as shown on the graph to the left).
  A post-hoc Tukey test comparing panels confirms that
taxa richness on panels with fins and steps was significantly higher than on flat panels (reference, control, flat-smooth, and flat-cobble). Surface treatments (smooth or cobble surfaces) did not have an effect.

Taxa richness for algae and sessile invertebrates increased dramatically on the test panels through the 2-year study, however there was no difference in taxa richness among the test panel types or compared to the reference or control sections of seawall.