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CHAPTER I. The Initial Effect of Impoundment on the <br />Fish Community of the White River, Colorado <br />METHODS <br />Physical Parameters <br />Discharge information was compiled from hydrologic data collected <br />at three United States Geological Survey (USGS) stations in Colorado: <br />1) Below Meeker (RK 258.2); 2) Below Boise Creek (RK 192.6) and 3) Near <br />the Colorado/Utah stateline (RK 111.2). <br />Water temperatures were monitored with Model G Peabody-Ryan <br />thermographs, maintained at five locations: one above the reservoir <br />basin and four at various locations below the dam axis. <br />Turbidities were measured with a Helige turbidimeter and <br />expressed in American Public Health Association (APHA) turbidity units. <br />Samples were taken at a mid-channel location, and collected throughout <br />the water collumn with an integrated water sampler. <br />Fish Community <br />_, Because no single fish collection technique effectively samples <br />all life stages of all species in a system such as the White River, <br />larval / young of the year, juvenile and adult fish were sampled <br />separately. <br /> <br />