Diatom communities of Lake of the Ozarks, Missouri
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"Research on Lake of the Ozarks in the past has been concerned primarily with its management and fisheries. Weyer (1939) was the first to study the reservoir and propose a tentative management plan. Since then other studies have looked at the bottom fauna (Barhickol 1941), age and growth of the common fishes (Witt 1952 and Hoffman 1955), fish distribution (Borges 1950 and McVey 1955), and creel censuses (Hanson 1975, 1977). Also, the chemical and physical parameters of the reservoir have been studied by Jones and Novak (in press). The recent completion of the Harry S. Truman Dam and Reservoir, which is at the headwaters of Lake of the Ozarks, is expected to cause changes in the water quality of the older reservoir. The need for baseline information on conditions in Lake of the Ozarks led to Jones and Novak's (in press) study of its limnological characteristics and to this study of its diatom communities, which might be used as water quality indicators (Patrick 1948 and Cairns et al. 1972). The objectives of this study of diatom communities of Lake of the Ozarks were: 1) to identify the common diatoms in the reservoir 2) to determine community structure in various regions of the reservoir 3) to determine if any differences found in community structure were related to differences in water quality 4) to determine if the use of artificial substrates was a valid tool in studying diatom communities in the reservoir. The information gathered in this study will be presented in three chapters. The first is a report of which diatoms were found in Lake of the Ozarks and the similarity of its diatom composition to that of other reservoirs in Missouri and bordering states. The second chapter examines the similarities and differences among diatom communities in various regions and their relationships to water quality differences. The final chapter addresses the use of artificial and natural substrates for sampling diatom communities. These chapters will be submitted to appropriate journals for publication."--Introduction.
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