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Publications

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

Filter Total Items: 16779

Medical parasitology laboratory manual

No abstract available at this time
Authors
G. L. Hoffman

Christmas count highlights

No abstract available.
Authors
C.S. Robbins

Fifty-sixth Christmas Bird Count. 147. Southern Dorchester County, Md

Summary and Recommendations: We suggest that managers are approaching the limits of their ability to improve waterfowl harvest management, primarily because the information needed to make better decisions is being sacrificed by the current approach to setting regulations. We propose an actively adaptive management strategy in which regulatory decisions play a dominant role in reducing uncertaint
Authors
F.A. Johnson, B.K. Williams, J. D. Nichols, J. E. Hines, W. L. Kendall, G.W. Smith, David F. Caithamer

Insecticides: Boon or bane?

No abstract available.
Authors
P. F. Springer

Chronic toxicity to quail and pheasants of some chlorinated insecticides

Quantitative report of tests. 'Inclusion of 1 p.p.m, of aldrin, dieldrin, or endrin in diets fed growing quail resulted in high mortality rates, but the birds survived on diets containing 100 p.p.m, of DDT or 50 p.p.m. of strobane. Young pheasants survived on diets containing 50 p.p.m, of DDT or strobane, but failed to survive on diets containing 5 p.p.m, of aldrin, dieldrin, or endrin. No ill e
Authors
J.B. DeWitt

Toxicity of chlorinated insecticides to quail and pheasants

'Residues from insecticidal applications of chlorinated hydrocarbons may remain toxic for extended periods. In experiments designed to furnish information on the effects upon quail and pheasants of prolonged feeding upon diets containing small percentages of these compounds, it was shown that aldrin, dieldrin and endrin are cumulative, and that quail are unable to survive after ingesting 5-10 mg./
Authors
J.B. DeWitt