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<br />ible 9. Summary of Research Needs Associated uith Environmental Impact Problems <br /> <br />" <br /> <br />. <br />, <br /> <br />Environmental <br />problell1 area <br /> <br />. <br /> <br />Problem 'Sources <br /> <br />Research needs <br /> <br />Jtrophication <br /> <br />Wastes containing nutrients and <br />runoff from lands. <br /> <br />Reservoir and stream nutrient <br />loading data, limiting nutrient <br />definition, nuisance plant growth. <br /> <br />~avy Metal Toxicity <br /> <br />Acid mine wastes, energy develop- <br />ment (ash), land disruption. <br /> <br />Identification of existing toxic <br />situations, control and treatment <br />methods, food chain accumulations, <br />and human health. <br /> <br />llinity <br /> <br />- <br /> <br />Salt transport from saline formation <br />via land drainage, and groundwater, <br />consumptive water use. <br /> <br />Source identification, ecosystem <br />impacts, effect on fish life <br />cycles. <br /> <br />V. <br />N <br /> <br />)w and Hodified <br />Flows, Inundation <br /> <br />Diversion, consumptive use, reser- <br />voir impoundments, and releases. <br /> <br />Assessment of habitat changes and <br />effects, operational policies to <br />minimize effects, engineering <br />design to minimize effects, <br />evaluation of tradeoffs. <br /> <br />!mperature <br /> <br />Energy development, changes in flow <br />regimes (dams, diversions, flow <br />augmentation, return flows). <br /> <br />Ecosystem impacts, evaporation <br />effects. <br /> <br />:ganic Compounds <br /> <br />Energy development, industrial <br />wastes, organic compounds. <br /> <br />Ecosystem impacts, food chain <br />accumulation, and human health. <br /> <br />)Ie 9. Continued <br /> <br />Environmental <br />problem area <br /> <br />Problem sources <br /> <br />Research needs <br /> <br />tulation Growth <br /> <br />Energy development, primary and <br />secondary employment. <br /> <br />Impact of increased recreational <br />use on aquatic and terrestrial <br />environments, carrying capacity <br />of recreational areas, water <br />supply and waste disposal impacts <br />in high growth areas. <br /> <br />d Disturbances of <br />lining and Energy <br />troduction, Urban <br />:rowth <br /> <br />Energy, construction, mining and <br />plant operations, population <br />growth. <br /> <br />Effects of mining and energy oper- <br />ations on surface and groundwater <br />quantity and quality, terrestrial <br />ecosystem effects. <br /> <br />V> <br />W <br /> <br />"nVUfltl -n....M -""'NO <br /> <br /> <br /> <br /> <br /> <br />-.~ _-'~-~r-.r\j..l}l-...,-' ;\'tl-'~:;~~ <br />