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Publications

These publications showcase the significant science conducted in our Science Centers.

Filter Total Items: 16783

Effects of chemical sprays on wildlife

No abstract available.
Authors
J.B. DeWitt

Birds and Dutch elm disease control

Brief, factual review of information on effect of DDT and other insecticides on birds. One program for control of elm disease caused 22% decrease in number of adult birds and 56% mortality of nestlings. Quail fed 3 oz. of DDT per ton of food had 16% reduction in young hatched and 500% increase in defective chicks. Quail fed same dosage during winter and breeding seasons had 30% decrease in fertil
Authors
J.B. DeWitt

Pesticides: Where do we go from here?

No abstract available.
Authors
J.L. George

Progress report of hydrology and sedimentation in Bixler Run, Corey Creek, and Elk Run watersheds, Pennsylvania

This report describes the results of an investigation in progress and presents some tentative findings from a study of hydrology and sedimentation of three small watersheds where soil conservation practices are being applied. The study was begun in April 1954, to determine precipitation, runoff, probable sources and yields of sediment, and channel changes in two small watersheds in Pennsylvania. T
Authors
J.K. Culbertson

Contributions to the study of subpopulations of fishes

No abstract available at this time
Authors
S. F. Snieszko

Infectious pancreatic necrosis in trout

No abstract available.

Authors
S. F. Snieszko, E. M. Wood, W. T. Yasutake