Stream Condition (O/E) • Poor • Good EPA Region 2 Relative Extent Relative Risk to Macroinvertebrate Taxa Loss (O/E) Riparian Disturbance Salinity Acidification Riparian Vegetative Cover In-stream Fish Habitat Streambed Sediments Nitrogen Phophorous 0 20 40 60 80 0~ I 2 i 4 % of Stream Length Relative Risk Ratio in Poor Condition ------- |