Publications
These publications showcase the significant science conducted in our Science Centers.
Filter Total Items: 16780
Blood protozoa of free-living birds
Blood protozoa were first reported from wild birds in 1884. Since then numerous surveys throughout the world have demonstrated their presence in a wide variety of hosts and localities with continuing designations of new species. Taxonomic determinations include parasites in the genera Plasmodium, Haemoproteus, Leucocytozoon, Babesia, Lankesterella and Trypanosoma. Transmission of Plasmodium by mo
Authors
C. M. Herman
Black duck harvest and population dynamics in eastern Canada and the Atlantic Flyway
No abstract available.
Authors
R.K. Martinson, A. D. Geis, R.I. Smith
Water-level contour maps of the carbonate rocks of the Great Valley in Lehigh County, Pennsylvania
No abstract available.
Authors
H.N. Flippo, C. R. Wood
Natural history of the King Rail
The King Rail (Rallus elegans Audubon), largest of North American rails, is indeed an elegant bird, as its Latin name implies. Its striking appearance (fig. I), secretive nature, and association with a variety of wetland habitats make it a favorite of bird students and rail hunters. The King Rail is found in most of the eastern half of North America, from the Atlantic coast to the Great Plains and
Authors
Brooke Meanley
Structural control of wind gaps and water gaps and of stream capture in the Stroudsburg area
No abstract available.
Authors
Jack B. Epstein
Disposal of liquid wastes by injection underground--Neither myth nor millennium
Injecting liquid wastes deep underground is an attractive but not necessarily practical means for disposing of them. For decades, impressive volumes of unwanted oil-field brine have been injected, currently about 10,000 acre-feet yearly. Recently, liquid industrial wastes are being injected in ever-increasing quantity. Dimensions of industrial injection wells range widely but the approximate media
Authors
Arthur M. Piper
Water for the cities - The outlook
Except perhaps for the arid Southwest, water resources are generally sufficient to meet the needs of cities for the foreseeable future. Cities will continue to expand and additional rural areas will be converted to urban and suburban complexes. Demands for urban water will continue to rise and this will place a heavy strain on existing systems.
Cities have always faced water problems. This has lar
Authors
William Joseph Schneider, Andrew Maute Spieker
Water quality and discharge of streams in the Lehigh River Basin, Pennsylvania
The Lehigh River, 100 miles long, is the second largest tributary to the Delaware River. It drains 1,364 square miles in four physiographic provinces. The Lehigh River basin includes mountainous and forested areas, broad agricultural valleys and areas of urban and industrial development. In the headwaters the water is of good quality and has a low concentration of solutes. Downstream, some tributa
Authors
Edward F. McCarren, Walter B. Keighton
Intercontinental and transcontinental dissemination and transfaunation of fish parasites with emphasis on whirling disease (Myxosoma cerebralis)
No abstract available at this time
Authors
G. L. Hoffman
Host susceptibility and the effect of aging, freezing, heat, and chemicals on spores of Myxosoma cerebralis
No abstract available.
Authors
G. L. Hoffman, R.E. Putz
Epitheliocystis, a new infectious disease of the bluegill (Lepomis macrochirus)
No abstract available.
Authors
G. L. Hoffman, C.E. Dunbar, K. Wolf, L.O. Zwillenberg