Marine Biology Commons^™

Distribution Of Macroinvertebrates In The Green River Below Flaming Gorge Dam, 1963-1965, William D. Pearson

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

This study was undertaken to determine the effects of rotenone applied during a fish control operation in September 1962 and the installation of Flaming Gorge Dam in November 1962 upon the distribution of invertebrates in the Green River. Since these two events, the river has changed from a warm, turbid stream to a cold, clear trout stream for about 45 miles below the dam. Totals of 234 bottom samples and 394 drift samples were collected between the dam and Ouray, Utah (166 miles below the dam). The species composition of the fauna above Carr Ranch was much simpler during 1964-65 …