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Showing 1 to 6 of 6 for “"Red Rock Reservoir (Iowa)"”.
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Benthic Population Distributions in Red Rock Reservoir, Iowa Summer 1972
… 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 …
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Spatial Distribution of Planktonic Copepoda and Cladocera in Red Rock Reservoir, Iowa, Summer, 1972
… 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 …
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Changes in Water Quality as Related to Retention Time Within Red Rock Reservoir, Iowa, Summer 1972
… quality occur as water enters and moves through Red Rock Reservoir during the summer of 1972. Procedure. Three stations representing different areas of the lake were sampled twice weekly from June 9 to August 1, 1972. Water samples were collected at 0.5, 1.5, 3.5 and 7.0 meters with temperature …
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The Effect of Red Rock Reservoir on the Planktonic Community of the Des Moines River
… of this study was to determine the effect of Red Rock Reservoir on the planktonic community of the Des Moines River. Procedure. This was accomplished by (1) measuring primary productivity of the phytoplankton in terms of C14-uptake using standard lake methods in conjunction with a newly …