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Table 3-1. Relative Effect of Selected Stream Restoration Practices
-------------RESTORATION PRACTICE ------------- Increase channel depth Plant re-establish trees & undercut bushes banks; Re-< Create along narrow establish drop Restore stream stream riffle structures wetlands bank width substrate (1) ==================Aquatic Life Designated Uses================== Altered Stream Geomorphology d o d d d Fine Sediment Loads o d d o o High Velocity/ High Volume Flows d d d u o Low Flows d d d d d ===============Narrative Water Quality Parameters=============== Biological Integrity u u u u u Toxicity d d d d d Nuisance Growths of Algae d d d d d Settleable Solids d d d o d ================Numeric Water Quality Parameters================ DO u u u u u Temperature o o d d o pH ud ud d d ud NH3 d d d d d Suspended Solids u d d o o Bioavailable Metals ud(b) d ud(b) o ud(b)u means that the restoration technique increases water quality parameter;
d means that the restoration technique decreases water quality parameter;
ud means that site-specific conditions can dictate increase or decrease in parameter;
o means that the restoration technique has a negligible effect on water quality parameter.