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<br />. II " ....t <br />,!<slSi <br /> <br />because of the immature soil and the short growing season <br />associated with the high country. <br /> <br />t <br /> <br />(6) Where heavy construction and vehicular traffic occurs, <br />there will be soil compaction. Where the same route is used <br />repeatedly, the compaction..will cause the soil to lose its <br />ability to hold water and maintain vegetation. <br /> <br />(7) The access roads will increase the hunting and fish- <br />ing opportunity in the specific areas allowing a greater <br />use of the resource, although some disturbance of wildlife <br />will occur from increased human and vehicular traffic. <br />Increased trsffic and noise associated with construction <br />activities and new opportunity for human penetration into <br />relatively remote areas may displace certain species. <br />Travel on the gravel surfaced access roads will result in <br />intermittent air pollution from dust and vehicular exhaust <br />emissions. <br /> <br />(8) During construction, the stresms were diverted out of <br />their natural channel; thereby creating an opportunity to <br />increase turbidity for seversl days. If severe turbidity <br />Dr construction wastes are inadvertently introduced into <br />surface waters, aquatic ecosystems could be adversely <br />affected by suspended material, possible siltstion'during <br />reproductive cycles, or the increased organic load. <br /> <br />. <br /> <br />(9) The dams and structures will be an unnatural object <br />introduced into relatively remote settings, thereby <br />detracting from the scenic values of the area. <br /> <br />(10) The diversion structures r~e~t~ ~ barrier in the <br />stream whi~h ~ill inhibit the upstream migration of fish <br />resulting in the establishment of separate populations of <br />fish above and below the diversion structures. In addition, <br />the structures will inhibit the rate of distribution of <br />aquatic organisms in the stream. Also, during the spring <br />runoff, the stream will lose some bottom scouring effect <br />due to the lower volume and velocity of the water down- <br />stream from the diversion. During periods of peak runoff, <br />the natural stream provides a flushing action oQ the gravel <br />spawning beds. Without this flushing action, silt accumu- <br />lations may occur causing fish eggs to die of suffocation. <br /> <br />. <br /> <br />IV-57 <br />