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<br /> <br />Figure E <br />FACTORS USED TO DETERMINE WILDERNESS INSTREAM FLOW NEEDS FOR THE PIEDRA RIVER <br /> <br />DRAFT <br /> <br />F. <br />:.'.:' <br /> <br />PROTECT and PERPETUATE NATURAL CONDITIONS and RESOURCES <br />MAINTAIN FREE PLAY of NATURAL PROCESSES <br /> <br />, <br />1'- <br /> <br />'"". <br /> <br />t<-! <br />"i <br />i~! <br />,! <br /> <br />AQUA TIC SYSTEMS <br />Maintain productivity of fisheries and aquatic insects <br />Maintain existing habitat features and their relative distribution <br /> <br />TERRESTRIAL SYSTEMS <br />Maintain species composition/distribution of riparian vegetation zones <br />Maintain habitat for river otter and beaver <br /> <br /> <br />HIGH FLOWS <br /> <br /> <br />AESTHESTICS <br /> <br />,:' <br /> <br /> <br />maintenance of <br />physical <br />compommts of <br />aquatic ecosystem <br /> <br /> <br /> <br />OTTERS <br /> <br /> <br />FISH <br /> <br /> <br />RIPARIAN <br />VEGETATION <br /> <br />natural <br />appearing <br />flow levels <br /> <br />00 <br />"':l <br />00 <br />~ <br /> <br />glide <br />depth <br /> <br />/ <br />~duction ) <br /> <br /> <br />reproduction, <br />regeneration, <br />establishment of <br />young plants <br /> <br />presence of <br />riparian <br />vegetation <br /> <br />(~ <br />C~ <br /> <br />flush fry from <br />tributaries <br /> <br />available <br />habitat <br /> <br />maintenance of <br />established <br />vegetation <br /> <br />maintain access <br />to tributaries for <br />spawning <br /> <br />provide access <br />to tributaries for <br />spawning <br /> <br />moist conditions and <br />exposure of mineral <br />substrate <br /> <br /><." <br /> <br />