A Comparative Study of Vorticella Sp. and Hydra at Various Depths in A Fresh Water Lake
Allenstein, Gary G.
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Miller, John George (Drake University, 1977-01)The problem. To date little work has been done determining the eutrophic status of small central Iowa lakes. The purpose of this study is to (1) determine the eutrophic status of ten central Iowa lakes; (2) compare and ...
Parker, Craig Eber (Drake University, 1976-08)The problem. To determine the effects of Red Rock Dam on one segment of the aquatic fauna, the "drifting" macroinvertebrates. Procedure. Drift samples were taken at two points on the Des Moines River. One sampling station ...