Upper Gila Mountains Relative Extent Riparian Disturbance Salinity Acidification Riparian Vegetative Cover In-stream Fish Habitat Streambed Sediments Nitrogen Phophorous Relative Risk to Macroinvertebrate Integrity (IBI) o 20 40 60 80 0 I 2 i 4 % of Stream Length in Poor Condition Relative Risk Ratio ------- |