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MODIFICATION OF A STREAM BOTTOM AND ITS EFFECT ON THE INSECT FAUNA*

Published online by Cambridge University Press:  31 May 2012

George Wene  and
E. L. Wickliff
George Wene
Affiliation:
Columbus, Ohio
E. L. Wickliff
Affiliation:
Columbus, Ohio
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Extract

Studies of stream bottoms as a factor in the abundance of aquatic insects is usually accomplished by random sampling of different kinds of pools and riffles. Various types of apparatus and methods are used. Ludwig (1922) used the hand-dip method in his studies. The Needham trap (1928) has also been used extensively in the study of rocky riffles. Gersbacher (1937) used the Peterson trap (1911) and the Ekman dredge (1911) for sand and mud bottom pools. At present the United States Bureau of Fisheries one foot trap, described by Surber (1937), is very popular in studying riffles.

Type
Articles
Information
The Canadian Entomologist , Volume 72 , Issue 7 , July 1940 , pp. 131 - 135
Copyright
Copyright © Entomological Society of Canada 1940

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References

BIBLIOGRAPHY

Ekman, S. 1911. “Neue Apparate zur qualitativen und quantitativen Erforschung der Boden-fauna der Seen.” Int. Rev. Hydrobiol. 7: 146–204.CrossRefGoogle Scholar
Ludwig, W. B. 1932. “The Bottom Invertebrates of the Hocking River.” Ohio Biol. Surv. Vol. V. No. 3.Google Scholar
Needham, P. R. 1928. “A Quantative Study of the Fish Supply in Selected Areas.” Ann. Rept. N. Y. Dept. Cons. No. IX: 192–206.Google Scholar
Peterson, C. G. J. 1911. “Valuation of the sea.” 1. Rep. Dan. Biol. Sta. 20: 1–76.Google Scholar
Shelford, V. E. and Eddy, E. 1929. “Methods for the Study of Stream Communities.” Ecology 10: 382–392.CrossRefGoogle Scholar
Surber, E. W. 1937. “Rainbow Trout and Bottom Fauna Production in One Mile of Stream.” Trans. Amer. Fish. Soc. No. 66: 193–202.Google Scholar