Now showing items 281-282 of 282
Feeding and distribution of larval freshwater drum (Aplodinotus grunniens) in Pool 7 of the Upper Mississippi River
During the spring and summer of 1981, a sampling program was employed to describe spatial, temporal and diel variations in larval freshwater drum (Aplodinotus grunniens) abundance and distribution in Pool 7 of the Upper ...
Occurrence of cercariae in a permanent pond and stream
This investigation deals with the occurrence of cercariae in a permanent pond in contrast to those occurred in a stream. The snails were hand collected and microscopically observed for the emergence of cercariae in the ...