Western Cordillera Relative Extent Riparian Disturbance Salinity Acidification Riparian Vegetative Cover In-stream Fish Habitat Streambed Sediments Nitrogen Phophorous i 1 r 0 10 15 20 25 30 0 Relative Risk to Macroinvertebrate Integrity (IBI) % of Stream Length in Poor Condition Relative Risk Ratio ------- |