Publications
These publications showcase the significant science conducted in our Science Centers.
Filter Total Items: 16922
Endocrine control of cartilage growth in coho salmon: GH influence in vivo on the response to IGF-I in vitro Endocrine control of cartilage growth in coho salmon: GH influence in vivo on the response to IGF-I in vitro
No abstract available.
Authors
P.I. Tsai, Steffen S. Madsen, S. D. McCormick, H. A. Bern
Population structure of eastern oysters (Crassostrea virginica) inhabiting the Laguna Madre, Texas, and adjacent bay systems Population structure of eastern oysters (Crassostrea virginica) inhabiting the Laguna Madre, Texas, and adjacent bay systems
No abstract available.
Authors
T.L. King, R. Ward, E.G. Zimmerman
History of early diet development in fish culture, 1000 B.C. to A.D. 1955 History of early diet development in fish culture, 1000 B.C. to A.D. 1955
This paper traces the observations and speculations of early fish culturists as they sought to define the feeds necessary to keep hatchery fish alive. Although prescientific ideas about feeding fish existed in Egypt and China over three millennia ago, it was not until the 1700s that scientific studies of feeding and digestion by fish were documented. Aside from several books that...
Authors
G. L. Rumsey
Environmental contaminants in redheads wintering in coastal Louisiana and Texas Environmental contaminants in redheads wintering in coastal Louisiana and Texas
Whole body and liver analyses indicated that wintering redheads (Aythya americana; n = 70) in coastal Louisiana (one site) and Texas (two sites) were relatively free of contamination with common trace elements, organochlorines, and hydrocarbons. Most trace elements, including As, Cr, Hg, Mg, Mn, Ni, Pb, Se, Sr, and Zn, were within background concentrations in livers; levels of B, Cd, Cu...
Authors
T.C. Michot, T. W. Custer, A.J. Nault, C. A. Mitchell
Trace elements in canvasbacks (Aythya valisineria) wintering in Louisiana, USA, 1987-1988 Trace elements in canvasbacks (Aythya valisineria) wintering in Louisiana, USA, 1987-1988
We determined trace element concentrations in livers of canvasbacks (Aythya valisineria) collected at Catahoula Lake and the Mississippi River Delta, Louisiana during, the winter of 1987–1988. Forty percent of canvasbacks wintering at Lake Catahoula had elevated concentrations of lead (>6·7 μg g−1 dry weight) in the liver; 33% had concentrations consistent with lead intoxication (>26·7...
Authors
Thomas W. Custer, William L. Hohman
Opercular membranes and skin Opercular membranes and skin
No abstract available at this time
Authors
S. D. McCormick
Feeding habits of cormorants in eastern Lake Ontario Feeding habits of cormorants in eastern Lake Ontario
No abstract available at this time
Authors
R. M. Ross, J. H. Johnson
Morphology of the gill apparatus of fish from acidic lakes Morphology of the gill apparatus of fish from acidic lakes
No abstract available at this time
Authors
V. Matey, C. Jagoe, T. Haines
Publications of the Branch of Atlantic Marine Geology for Calendar Year 1993 Publications of the Branch of Atlantic Marine Geology for Calendar Year 1993
This U.S. Geological Survey Open-File Report [extract] contains a listing of publications authored or co-authored by members of the Branch of Atlantic Marine Geology and published in calendar year 1993. The Branch conducts a broad geologic and geophysical research and mapping program, primarily along the U.S. Atlantic Margin, in the Great Lakes, the Gulf of Mexico, the Caribbean and...
Authors
Margaret C. Mons-Wengler, Robert N. Oldale
Historical and potential scour around bridge piers and abutments of selected stream crossings in Indiana Historical and potential scour around bridge piers and abutments of selected stream crossings in Indiana
Historical scour data were collected by means of geophysical techniques and used to evaluate the scour-computation procedures recommended by the U.S. Federal Highway Administration and 12 other pub- lished pier-scour equations. Geophysical data were collected at 10 bridges in Indiana. For this evaluation it was assumed that the historical scour measured by use of geophysical techniques...
Authors
D. S. Mueller, R. L. Miller, J.T. Wilson
Water and sediment budgets for the stormwater-drainage channel at the Navy Ships Parts Control Center near Mechanicsburg, Pennsylvania, water year 1993 Water and sediment budgets for the stormwater-drainage channel at the Navy Ships Parts Control Center near Mechanicsburg, Pennsylvania, water year 1993
The Navy Ships Parts Control Center near Mechanicsburg, Pa., occupies an area of 824 acres, of which 358 are covered by impervious surfaces. Most of the impervious area is drained by stormwater systems that discharge to an open channel that extends about 7,900 feet from its headwaters to its confluence with Trindle Spring Run. The channel drains an area of 992 acres, of which 435 are...
Authors
L.A. Reed, R.R. Durlin, J.K. Bender
Hydrogeology, herbicides and nutrients in ground water and springs, and relation of water quality to land use and agricultural practices near Carlisle, Pennsylvania Hydrogeology, herbicides and nutrients in ground water and springs, and relation of water quality to land use and agricultural practices near Carlisle, Pennsylvania
Discharge and water-quality data collected in two adjacent karst-spring basins in Cumberland County, Pa., from May 1990 through April 1991 were used to (1) describe the hydrogeology of the area; (2) determine the concentrations of selected herbicides, herbicide-soil metabolites, and nutrients in water from wells and discharges from springs, (3) determine herbicide and nutrient discharges...
Authors
D. J. Hippe, E. C. Witt, R.M. Giovannitti