Bottom fauna of Pool 19, Mississippi River with emphasis on the life history of the fingernail clam, Sphaerium transversum

@inproceedings{Gale1969BottomFO,
  title={Bottom fauna of Pool 19, Mississippi River with emphasis on the life history of the fingernail clam, Sphaerium transversum},
  author={William F. Gale},
  year={1969}
}
This study was begun in 1966 as the first of a two phase investigation to determine dredging effects on fauna of Pool 19 of the Mississippi River. Monthly, from June to December, 1967, four 7.62 cm core-samples were taken at seven stations. The molluscan fauna included 13 species of gastropods, 7 species of sphaeriids, and 20 species of unionids. Sphaerium transversum made up over 80 per cent of the total organisms 2 at all stations, with a mean of about 40,000/m and a maximum 2 of over 100,000… CONTINUE READING