Laserfiche WebLink
<br /> Proposed Action <br /> No Action <br />Resource Allernative <br /> Experimental Dam Releases Mechanical <br /> Removal <br /> 8,000 cfs 6,500-9,000 efs 5,000-20,000 31,000- 42,000-45.000 <br /> steady flow fluctuating flow cfs fluctuating 33,000 cfs efs high flow <br /> flow high flow <br /> .._.._-----~ - ...--.----- -----. - ---.- --- <br /> erosion wetlands in <br /> Glen and <br /> Marble <br /> canyons; <br /> minimum <br /> effects on lake <br /> riparian <br /> veaetation <br />Wildlife: Rising flows Favorable due Most birds Some Potential No effect from No effect <br />Birds cause some to increase in migrating, so inundation of inundation of winter high <br /> drowning of insects; Iillle to no effect waterfowl waterfowl flow: spring <br /> food base increase in ground nests; and high flow would <br /> and loss of vegetative no effect to neotropical inundate nests <br /> sheller; biomass; nests of species nests of neo-tropical <br /> greatest enhanced neotropical if flows occur species and <br /> impact to cover and food, species in July waterfowl; <br /> Bell's vireo, but most birds riparian and <br /> common migrating aquatic food <br /> yellowthroat, sources <br /> and yellow- temporarily <br /> breasted chat reduced; <br /> expected that <br /> birds find <br /> allemate food <br /> sources <br />Wildlife: Direct effects Favorable for lillie to no Flooding of Flooding of lillie to no No effect <br />Mammals of high flows most wildlife; effect some nests some habitat effect for <br /> may include increase in and burrows; with potential January flow; <br /> drowning; insects; possible loss of loss of some <br /> indirect increase in increased beaver Iillers of deer <br /> effects of vegetative exposure to lodges and/or mice for <br /> high and low biomass; predation forage Feb/Mar flow; <br /> flows include enhanced during receding reduced mice <br /> reduced food. cover and food flows food source for <br /> cover, or predators; high <br /> habitat; no ramn rate could <br /> <br />0"0 <br />:r..... <br />{l-f\J <br />~O <br />wCJ1 <br />o <br />)> <br />iil' <br />" <br />r0- <br />o. <br />m <br />:J <br />$ <br />, <br />o <br />:J <br />3 <br />ro <br />~ <br />OJ <br />:J <br />0. <br />m <br />:J <br />$. <br />, <br />o <br />:J <br />3 <br />ro <br />:J <br />Iii <br /> <br />o <br />o <br />:J <br />{f> <br />ro <br />.0 <br />c <br />ro <br />:J <br />" <br />ro <br />{f> <br />o <br />:J <br /> <br />w <br />'" <br /> <br />