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Showing 1 to 4 of 4 for “"Red Rock, Lake (Iowa)"”.

  1. Spatial Distribution of Planktonic Copepoda and Cladocera in Red Rock Reservoir, Iowa, Summer, 1972

    McGrath, Michael JohnDrake University1973

    … distribution of Copepoda and Cladocera in Red Rock Reservoir, Iowa, summer, 1972, was undertaken. Water temperature, Secchi disk, and total water depth readings were also measured. Procedure. Volumetric samples of free-swimming zooplankton were collected at weekly intervals from June 6 to …

    drake Repository record

  2. A Qualitative and Quantitative Study of the Bacteriological Quality of Lake Red Rock and the Des Moines River between Des Moines, Iowa, and Lake Red Rock

    Hoganson, Dean A.Drake University1970

    41 leaves

    drake Repository record

  3. Benthic Population Distributions in Red Rock Reservoir, Iowa Summer 1972

    Hoekstra, Calvin W.Drake University1973

    … the distribution of benthic invertebrates in Red Rock Reservoir and to relate this distribution to the physiochemical characteristics of the substrate and bottom meter of water along with water retention time after three years of impoundment. Procedure. Benthic samples were obtained at weekly …

    drake Repository record

  4. The Distribution of Benthos in Red Rock Reservoir, Iowa

    Keith, Richard CourtneyDrake University1971

    32 leaves.

    drake Repository record