Evaluation of glutamic acid and glycine as sources of nonessential amino acids for lake trout (Salvelinus namaycush) and rainbow trout (Salmo gairdnerii)
S. G. Hughes
1985, Comparative Biochemistry and Physiology, Part A: Physiology (81A) 669-671
1. A semi-purified test diet which contained either glutamic acid or glycine as the major source of nonessential amino acids (NEAA) was fed to lake and rainbow trout.2. Trout fed the diet containing glutamic acid consistently showed better growth and feed conversion efficiencies than those fed the diets containing glycine.3....
COMPUTER METHOD TO DETECT AND CORRECT CYCLE SKIPPING ON SONIC LOGS.
Douglas C. Muller
1985, Conference Paper, Transactions of the SPWLA Annual Logging Symposium (Society of Professional Well Log Analysts)
A simple but effective computer method has been developed to detect cycle skipping on sonic logs and to replace cycle skips with estimates of correct traveltimes. The method can be used to correct observed traveltime pairs from the transmitter to both receivers. The basis of the method is the linearity...
Paleoclimatic controls on coal resources of the Pennsylvanian system of North America - introduction and overview of contributions
T.L. Phillips, C. B. Cecil
1985, International Journal of Coal Geology (5) 1-6
No abstract available....
Histopathology associated with pyridoxine deficiency in Atlantic salmon (Salmo salar)
Roger L. Herman
1985, Aquaculture (46) 173-177
Fingerling Atlantic salmon (Salmo solar) fed a production diet deficient in pyridoxine showed several significant effects: increased mortality; behavioral changes; degenerative changes in kidneys, ovaries, and liver; a paucity of thyroid colloid; and hyperplasia of renal hematopoietic tissue. Changes in nerve tissue were equivocal....
Diagnostic services available
G. L. Hoffman, A.J. Mitchell
1985, Aquaculture Magazine
Maryland striped bass: Recruitment declining below replacement
C.P. Goodyear, J.E. Cohen, S.W. Christensen
1985, Transactions of the American Fisheries Society (114) 146-151
A mathematical technique was developed to examine interrelationships among first‐year survival rates, adult fecundity, and adult survival of striped bass Morone saxatilis based on indices of year‐class strength. Application of this technique to striped bass in Maryland waters of the Chesapeake Bay provided evidence for reduced survival in the life...
Complex resistivity of fault gouge and its significance for earthquake lights and induced polarization
David A. Lockner, James D. Byerlee
1985, Geophysical Research Letters (12) 211-214
We have measured complex resistivity of 2 water-saturated San Andreas fault gouges from 10−3 to 106 Hz and confining pressures of 0.2 to 200 MPa. Consistent with earlier observations of clays and common rocks, large low-frequency permittivities were observed in all cases. Comparisons were made to induced polarization...
Fat deposition and usage by arctic-nesting sandhill cranes during spring
Gary L. Krapu, G.C. Iverson, K. J. Reinecke, C.M. Boise
1985, The Auk (102) 362-368
Body weight, fat, and protein levels of arctic-nesting Sandhill Cranes (Grus canadensis) were measured at several locations during spring migration and on the breeding grounds. Body weights of adult males and females increased by about 34% (1,129 g) and 30% (953 g) from early March at the Platte River to...
Kinds of damage that could result from a great earthquake in the central United States
M. G. Hooper, S. T. Algermissen
1985, Earthquake Information Bulletin (USGS) (17) 84-97
In the winter of 1811-12 a series of three great earthquakes occurred in the New Madrid, Missouri seismic zone in the central United States. In addition to the three principal shocks, at least 15 other earthquakes of intensity VIII or more occurred within a year of the first large earthquake...
Earthquakes March-April 1985
W. J. Person
1985, Earthquake Information Bulletin (USGS) (17) 193-198
There were two major earthquakes (7.0-7.9) during this reporting period-both were in Chile and both caused fatalities. Earthquake-related deaths were also reported from the Philippine Islands, Bolivia, and China. In the United States a strong earthquake occurred in Alaska on March 9 and a magntidue 6.3 earthquake occurred off the coast...
Seismicity and volcanism in the Pacific Northwest: Evidence for the segmentation of the Juan De Fuca Plate
Craig S. Weaver, Caryl A. Michaelson
1985, Geophysical Research Letters (12) 215-218
The distributions of earthquakes and late Cenozoic and Quaternary volcanism in Washington and northern Oregon change markedly across two northeast-striking lines, one near Mount Rainier and one near Mount Hood. On the basis of these observations and a comparison with the Nazca subduction zone, we propose...
Degassing-induced crystallization of basaltic magma and effects on lava rheology
P. W. Lipman, N.G. Banks, J.M. Rhodes
1985, Nature (317) 604-607
During the north-east rift eruption of Mauna Loa volcano, Hawaii, on 25 March-14 April 1984 (Fig. 1), microphenocryst contents of erupted lava increased from 0.5 to 30% without concurrent change in either bulk magma composition or eruption temperature (1,140 ?? 3 ??C). The crystallization of the microphenocrysts is interpreted here...
Total chemical management in photographic processing
Charles Luden, Ronald Schultz
1985, Journal of Imaging Technology (11) 74-82
The mission of the U. S. Geological Survey's Earth Resources Observation Systems (EROS) Data Center is to produce high-quality photographs of the earth taken from aircraft and Landsat satellite. In order to meet the criteria of producing research-quality photographs, while at the same time meeting strict environmental restrictions, a total...
Digital to analog conversion and visual evaluation of Thematic Mapper data
James R. McCord, Douglas R. Binnie, Paul M. Seevers
1985, Journal of Imaging Technology (11) 125-130
As a part of the National Aeronautics and Space Administration Landsat D Image Data Quality Analysis Program, the Earth Resources Observation Systems Data Center (EDC) developed procedures to optimize the visual information content of Thematic Mapper data and evaluate the resulting photographic products by visual interpretation. A digital-to-analog transfer function...
Determination of total sulfur in lichens and plants by combustion-infrared analysis
L. L. Jackson, E.E. Engleman, J. L. Peard
1985, Environmental Science & Technology (19) 437-441
No abstract available....
The role of erosion by fish in shaping topography around Hudson submarine canyon.
D.C. Twichell, Craig B. Grimes, R. S. Jones, K.W. Able
1985, Journal of Sedimentary Petrology (55) 712-719
An 800-km 2 area of rough topography around the head of Hudson Canyon off the eastern United States is attributed to erosion by tilefish ( Lopholatilus chamaeleonticeps ) and associated species of crustaceans. The rough topography has a relief of 1-10 m, occurs in water depths of 120-500 m, and has been...
SENSITIVITY OF STRUCTURAL RESPONSE TO GROUND MOTION SOURCE AND SITE PARAMETERS.
Erdal Safak
C.A. Brebbia, A.S. Cakmak, Abdel Ghaffar, editor(s)
1985, Conference Paper
Designing structures to withstand earthquakes requires an accurate estimation of the expected ground motion. While engineers use the peak ground acceleration (PGA) to model the strong ground motion, seismologists use physical characteristics of the source and the rupture mechanism, such as fault length, stress drop, shear wave velocity, seismic moment,...
A nomogram for interpreting slope stability of fine-grained deposits in modern and ancient-marine environments.
J.S. Booth, D.A. Sangrey, J.K. Fugate
1985, Journal of Sedimentary Petrology (55) 29-36
Design of the nomogram is based on effective stress and combines consolidation theory as applicable to depositional environments with the infinite-slope model of slope-stability analysis. The link between the two combined theories is a term representing the effective overburden stress, which may be...
A conceptual ground-water-quality monitoring network for San Fernando Valley, California
J. G. Setmire
1985, Water-Resources Investigations Report 84-4128
A conceptual groundwater-quality monitoring network was developed for San Fernando Valley to provide the California State Water Resources Control Board with an integrated, basinwide control system to monitor the quality of groundwater. The geology, occurrence and movement of groundwater, land use, background water quality, and potential sources of pollution were...
AQUATIC PHOTOLYSIS OF OXY-ORGANIC COMPOUNDS ADSORBED ON GOETHITE.
Marvin C. Goldberg
1985, Conference Paper, National Meeting - American Chemical Society, Division of Environmental Chemistry
Organic materials that will not absorb light at wavelengths longer than 295 nanometers (the solar wavelength cutoff) may nevertheless, undergo electron transfer reactions initiated by light. These reactions occur when the organic materials are adsorbed as ligand complexes to the surface of iron oxy-hydroxide (goethite). The adsorbed materials can be...
Contaminant trends in lake trout (Salvelinus namaycush) of the upper Great Lakes
David S. DeVault, Wayne A. Willford, Robert J. Hesselberg
1985, Report
Contaminant body burdens in lake trout from the Upper Great Lakes have been monitored since 1970 on Lake Michigan and since 1977 and 1978 on Lakes Superior and Huron by USEPA, Great Lakes National Program Office and USFWS, Great Lakes Fishery Laboratory. Analysis of the Lake Michigan data shows that mean...
An estimate of gas emissions and magmatic gas content from Kilauea volcano
L. P. Greenland, William I. Rose Jr., J. B. Stokes
1985, Geochimica et Cosmochimica Acta (49) 125-129
Emission rates of CO2 have been measured at Kilauea volcano, Hawaii, in the east-rift eruptive plume and CO2 and SO2 have been measured in the plume from the noneruptive fumaroles in the summit caldera. These data yield an estimate of the loading of Kilauean eruptive gases to the atmosphere and suggest that such...
STREAMFLOW LOSSES IN THE SANTA CRUZ RIVER, ARIZONA.
B. N. Aldridge
1985, Conference Paper
The discharge and volume of flow in a peak decrease as the peak moves through an 89-mile (143 km) reach of the Santa Cruz River. An average of three peaks per year flow the length of the reach. Of 17,500 acre-ft (21,600 dam**3) that entered the upstream end of the...
Submitting samples for fish disease diagnosis
A.J. Mitchell, G. L. Hoffman
1985, Report
No abstract available at this time...
EFFECT OF SANTA ROSA LAKE ON GROUND WATER FLOW TO THE PECOS RIVER, NEW MEXICO.
Dennis W. Risser
1985, Conference Paper
In 1980, Santa Rosa Dam began impounding water on the Pecos River about 7 miles (11 kilometers) north of Santa Rosa, New Mexico, to provide flood control and storage for irrigation. Santa Rosa Lake has caused changes in the ground water flow system, which may cause changes in the streamflow...
