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Page 3470, results 86726 - 86750

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Publication Extents

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Magnitude and frequency of floods in Washington
S. S. Sumioka, D. L. Kresch, K.D. Kasnick
1998, Water-Resources Investigations Report 97-4277
Annual maximum instantaneous discharge data for 527 gaging stations with at least 10 years of peak-discharge record on unregulated streams were used to compute the magnitude and frequency of floods on Washington streams. Flood magnitudes having exceedance probabilities of 0.5, 0.1, 0.04, 0.02, and 0.01 were related to physical and...
Optimization of ground-water withdrawal in the lower Fox River communities, Wisconsin
J.F. Walker, D. A. Saad, J. T. Krohelski
1998, Water-Resources Investigations Report 97-4218
Pumping from closely spaced wells in the Central Brown County area and the Fox Cities area near the north shore of Lake Winnebago has resulted in the formation of deep cones of depression in the vicinity of the two pumping centers. Water-level measurements indicate there has been a steady decline...
Statistical analysis and mathematical modeling of a tracer test on the Santa Clara River, Ventura County, California
Katherine S. Paybins, Tracy Nishikawa, John A. Izbicki, Eric G. Reichard
1998, Water-Resources Investigations Report 97-4275
To better understand flow processes, solute-transport processes, and ground-water/surface-water interactions on the Santa Clara River in Ventura County, California, a 24-hour fluorescent-dye tracer study was performed under steady-state flow conditions on a 28-mile reach of the river. The study reach includes perennial (uppermost and lowermost) subreaches and ephemeral subreaches of the...
Survival of female northern pintails wintering in southwestern Louisiana
Robert R. Cox Jr., Alan D. Afton, Richard M. Pace III
1998, Journal of Wildlife Management (62) 1512-1521
The North American breeding population of northern pintails (Anas acuta) has reached previously unprecedented low numbers 4 times since 1983. Because pintails show high fidelity to wintering areas, regional survival estimates and identification of factors influencing survival are needed to guide management of wintering pintails. We used radiotelemetry to estimate...
Evaluation of transmitter attachment techniques on growth of wild turkey poults
Michael W. Hubbard, Ling-Ling C. Tsao, Erwin E. Klaas, Mark Kaiser, Dewaine H. Jackson
1998, Journal of Wildlife Management (62) 1574-1578
We compared the effects on growth of backpack-mounted and surgically implanted radiotransmitters used as marking techniques in studies of wild turkey (Meleagris gallopavo) poult survival. We applied repeated-measures analysis of variance (ANOVA) and Bayesian analysis to evaluate the null hypothesis that marking technique did not affect growth. Growth in body...
Smoke-induced seed germination in California chaparral
Jon E. Keeley, C. J. Fotheringham
1998, Ecology (79) 2320-2336
The California chaparral community has a rich flora of species with different mechanisms for cuing germination to postfire conditions. Heat shock triggers germination of certain species but has no stimulatory effect on a great many other postfire species that are chemically stimulated by combustion products. Previous reports have shown that...
Population demographics of two local South Carolina mourning dove populations
Donald P. McGowan Jr., David L. Otis
1998, Journal of Wildlife Management (62) 1443-1451
The mourning dove (Zenaida macroura) call-count index had a significant (P < 0.01) negative trend in South Carolina and the Eastern Management Unit (EMU) during 1988-97. We initiated a banding study in 2 areas in the Coastal Plain of South Carolina to estimate population demographic parameters of doves to generate...