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fill Road Land 'II Ex nsion Project <br /> 1 <br /> ENVIRONMENTAL IMPACT MITIGATION MEASURE LEVEL OF <br /> SIGNIFICANCE <br /> AFTER <br /> MITIGATION <br /> Further mitigation for non-summer work <br /> would be in accordance with <br /> recommendations provided by NMFS. <br /> F.10. Construction activities in the North (a)To avoid impacting Central California LS <br /> Branch of the South Fork of Little Johns steelhead in Little Johns Creek,all work <br /> Creek could result in significant adverse proposed that would impact this creek <br /> impacts to Central California steelhead. should occur in the summer months when <br /> (POTENTIALLY SIGNIFICANT) this salmon would not be <br /> migrating/spawning in this creek. If work <br /> must occur during the fall/winter months, <br /> the National Marine Fisheries Service <br /> (NMFS)should be contacted for other <br /> possible mitigation requirements. <br /> F.11. Implementation of the project could (a)To avoid impacting Sacramento LS <br /> r <br /> result in significant adverse impacts to splittail populations potentially present in <br /> Sacramento splittail. (POTENTIALLY Little Johns Creek,and to avoid impacts to <br /> SIGNIFICANT) other sensitive fish species potentially <br /> present in this creek, work in the creek <br /> should only be conducted between July 31 <br /> and September 30. If work must occur <br /> outside of these months,NMFS should be <br /> contacted. Further mitigation for non- <br /> summer work would be in accordance with <br /> recommendation provided by NMFS. <br /> Other mitigation could include conducting <br /> turbidity studies to determine if the work <br /> would be detrimental to Sacramento <br /> splittail. <br /> F.12. Implementation of the project could a Implementation of the approved LS <br /> result in significant adverse impacts to wetland mitigation plan(see also <br /> giant garter snake. (POTENTIALLY Mitigation Measure F.l.)would <br /> SIGNIFICANT) compensate for impacts to aquatic and <br /> associated habitat(which is assumed to <br /> constitute giant garter snake habitat) <br /> resulting from creek realignment. In <br /> accordance with that plan,a total of 39 <br /> acres of aquatic and associated upland <br /> and riparian habitat shall be created, <br /> constituting a 4.5:1 replacement ratio, an <br /> shall be managed as a preserve for <br /> biological resources. <br /> (b) All mitigation requirements for giant <br /> garter snake should be in accordance <br /> 16 <br />