Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 1 of 1 for “"Des Moines River (Iowa)--Ecology"”.
-
A Study of the Macroinvertebrate Drift in the Des Moines River
… Drift samples were taken at two points on the Des Moines River. One sampling station was located above Red Rock Reservoir and one below. Samples were taken every other week at each station, on two consecutive nights, from August 7, 1973, through November 1, 1973, and April 3, 1974, through May …