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11 <br />• projects. Projects were grouped by type (eg., thermoelectric, hydroelectric, oil <br />shale, salinity control, etc.) <br />POTENTIAL IMPACTS OF WATER DEVELOPMENT <br />Water development has had an adverse effect on the rare fishes. Changes <br />to the Colorado River System brought about wholly or in part by water <br />development, and potential future impacts have been summarized by Wydoski <br />(1980). Reported impacts include: reduced water temperature, reduced turbidity, <br />reduced annual fluctuation in the hydrograph, increased diurnal or shorter term flow <br />fluctuations, increased stream blockage due to dams, and increased salinity. <br />Jacobson (1982) reviewed potential future impacts of water development <br />• projects in the Upper Basin, as well as energy and other development projects <br />which are major water users. Topics included: coal, oil, oil shale, gas, coal <br />gasification and liquefaction, power production (coal, geothermal, and hydro) and <br />minerals (gold, silver and uranium). He also discussed impacts of road <br />development and land use practices on public lands. He reported that predictions <br />of actual impacts from water development would be extremely difficult since so <br />many water and energy development projects depend on the market situation for <br />the resource in question. A good example of the volatile nature of this situation is <br />the oil shale industry. A booming industry can be completely shut down by market <br />changes brought about by events occurring far from the Upper Basin. <br />0