The Little Missouri River below Lake Greeson, Arkansas, was sampled for water quality and benthos during summer 1979. The hydropower turbine water intakes, 20 m below the lake surface, released hypolimnetic water into the tailwater. Downstream water temperatures, total organic matter, and total inorganic matter varied considerably and benthic invertebrate communities immediately below the dam were stressed by waters released for power generation. Detrimental effects from altered temperature and flow regimes had decreased by 16.1 km downstream, where invertebrate communities were typical of less stressed environments.
Smith, Stephen B.
"Water Quality and Benthic Invertebrate Communities in Lake Greeson Tailwater,"
Journal of the Arkansas Academy of Science: Vol. 36
, Article 21.
Available at: http://scholarworks.uark.edu/jaas/vol36/iss1/21