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<br /> Proposed Action <br /> No Action <br />Resource Alternative <br /> Experimental Dam Releases Mechanical <br /> Removal <br /> 8,000 cis 6,500-9,000 cfs 5,000-20,000 31,000- 42,000-45,000 - <br /> steady flow fluctuating flow cis fluctuating 33,000 cis cfs high flow <br /> flow high flow <br /> .--- ----~ - <br /> returns to <br /> pre- <br /> experiment <br /> levels <br />Endangered Continue to No effect No effect No effect Positive Positive effect No effect <br />Species: use beaches, effect through through beach <br />California but without relationship building actions <br />Condor beach to increased <br /> building beach <br /> flows. beach building <br /> habitat actions <br /> conlinuesto <br /> decline in <br /> acreaoe <br />Riparian and Reduced Flows occur Minimum Plants water Effects 20% reduction No effect <br />Terrestrial marshes; after primary variation in stressed at similar to 42- in cover in <br />Vegetation increased growth and area of wetted 5,000 cfs; 45,000 cfs riparian zone; <br /> woody reproduction; sand; decrease in flood except drowning of <br /> vegetation; expansion via expansion of seed bank & for timing xeric-adapted <br /> lower water- vegetative piants not likely marsh plant species and <br /> tables; upper growth rather during the fall density/cover burying low- <br /> terrace than seed between 5,000 lying grasses <br /> drying; gennination; and 20,000 cis; and herbs; <br /> increase in slight increase increase total scouring <br /> drought- in vegetated wetted area & weekly-rooted <br /> tolerant area some seedling plants; <br /> species at germination; increased <br /> riparian zone drowning of distribution of <br /> margins; phreatophytes seeds; seed <br /> expansion of & some aquatic scour may <br /> tamarisk, and semi- initiate <br /> arrowweed aquatics in gennination of <br /> and foxtail riparian zone; native riparian <br /> brome rapid ramp plants; potential <br /> rates ice damage of <br /> accelerate marshes and <br /> <br />w <br />... <br /> <br />o <br />=r <br />OJ <br />-0 <br />ro- <br />, <br /> <br />w <br />6 <br />:P <br />iif <br />co <br />r0- <br />o. <br />m <br />::l <br />< <br />~. <br />o <br />::l <br />3 <br />Cll <br />'"- <br />OJ <br />::l <br />0. <br />m <br />::l <br />05. <br />, <br />o <br />::l <br />3 <br />Cll <br />::l <br />~ <br />() <br />C' <br />::lo <br />Ul <br />Cll <br />.0 <br />-.: <br /><D <br />"'. <br />co <br />Cll <br />Ul <br />