Abstract
Abstract Shoreline fish populations from five areas in Keowee Reservoir, South Carolina, were sampled with a bag seine from June to September, 1973–1978, to determine the effects of electrical power production on fish distribution and abundance. Significantly (α = 0.05) more spottail shiners (Notropis hudsonius) were in the heated discharge of Oconee Nuclear Station than in the other four areas; they were first collected there in 1975, and by 1977 were the most abundant species in this area. Spottail shiners also increased annually in other areas, but abundance decreased as distance from the heated discharge increased. Increases in water temperature and abundance of macrophytes paralleled increases in the abundance of spottail shiners and appear to be the most important factors regulating the distribution and abundance of this species in Keowee Reservoir.
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