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