Stream Condition (IBI) • Poor • Good South Central Semi-Arid Pararies Relative Extent Relative Risk to Macroinvertebrate Integrity (IBI) Riparian Disturbance Salinity Acidification Riparian Vegetative Cover In-stream Fish Habitat Streambed Sediments Nitrogen Phophorous 0 10 20 30 40 50 60 0~ I 3 i 5 -1 6 % of Stream Length Relative Risk Ratio in Poor Condition ------- |