4,2 Riparian disturbances <br /> Potential Issues <br /> Riparian areas are the vegetated areas and habitat along the edge of rivers st <br /> Figure ~ 2). Riparian vegetation provides shade needed to mainta, reams, and wetlands (see <br /> stabilizes stream banks, and contributes large woody debris to streams. Lar e wo Water temperatures, <br /> important to salmon because it influences the physical habitat by trapping ~diment andcre is <br /> that provide refuge and rearing habitat. Healthy riparian corridors al <br /> ahng pools <br /> stormwater runoff, by providing retention and infiltration of run-off a help mitigate the impacts of <br /> i <br /> pollutants, such as suspended sediments caused by soil erosion. rid potential stormwater <br /> Construction, operation, and maintenance adjacent to rivers has the potential to affect ri a ' <br /> Removal or degradation of native riparian vegetation, exposin soil <br /> p rian areas. <br /> banks (e•g•, by using rip-rap or other revetments) may all have negative im a~ts and hardening stream <br /> salmon habitat. p riparian areas and <br /> KeY Questions <br /> i <br /> <br /> ~ Question <br /> 1 If this ro'ect is ' <br /> P J wit ' <br /> hm <br /> the Salmon Guidelines Area, will any <br /> existing vegetation be removed, or will the area be landscaped (including as part <br /> of a habitat enhancement or restoration project)? <br /> 2 Will any grading or excavating occur within 100 feet of the top of bank of <br /> waterway within the Srr a <br /> ~n~n-~rzeSalmon Guidelines Area? <br /> 3 Are there plans to use revetments (e.g., rip-rap, shotcrete walls <br /> 1~ <br /> banks of a waterway within the , gabions, etc.) on <br /> Salmon Guidelines Area? <br /> If you answered `YES' to any of these questions, proceed with the Potential Re <br /> Solutions table below. If you answered `NO' to all of these questions mov quirements and <br /> e to Section 4.3. <br /> Potential Re uirements and Solutions <br /> Requirement or Solution <br /> c <br /> 1 If you are working near the banks of a waterway in the j ea/~ o <br /> Salmon <br /> Guidelines Area, you may need the following permits: <br /> • Erosion Control Permit (City of Eugene Public Works) <br /> • Fill-Removal Permit (Oregon DSL and US Arm <br /> • Willamette Greenway Permit (only if in the Willam tesGreenway) ~ <br /> i <br /> NOTE: If you need a federal permit for the project, this would likely tri er <br /> Section 7 Consultation with NOAA Fisheries (see Section 4.9 of this do erne i <br /> nt). <br /> r <br /> Guidelines for Salmon 4-19-04 <br /> i <br /> Page 11 <br /> i <br /> _ <br /> <br />