Within-site variability in surveys of wildlife populations
William A. Link, Richard J. Barker, John R. Sauer, Sam Droege
1994, Ecology (75) 1097-1108
Most large-scale surveys of animal populations are based on counts of individuals observed during a sampling period, which are used as indexes to the population. The variability in these indexes not only reflects variability in population sizes among sites but also variability due to the inexactness of the counts. Repeated...
Habitat use by an endangered riverine fish and implications for species protection
C.S. Robbins
1994, Ecology of Freshwater Fish (3) 177-178
We investigated habitat specificity of the amber darter (Percina antesella Williams & Etnier 1977), an imperiled fish from restricted portions of 2 rivers in the southeastern United States. Foraging amber darters occupied a narrow range of riffle habitat, consistently avoiding areas < 20 cm deep and with velocity <...
Symptoms and circumstances associated with bites by the brown tree snake (Colubridae: Boiga irregularis) on Guam
T. H. Fritts, M. J. McCoid, R.L. Haddock
1994, Journal of Herpetology (28) 27-33
A review of 94 cases of snakebite by the brown tree snake, Boiga irregularis, in Guam spanning a two year period shows a high proportion (80%) involve victims bitten while sleeping in their homes at night. Some bites apparently involve attempts to feed on small children. Of all children less...
Sources of variation in loss rates of color bands applied to adult roseate terns (Sterna dougallii) in the western North Atlantic
J. A. Spendelow, J. Burger, I.C.T. Nisbet, J.D. Nichols, J.E. Hines, H. Hays, G.D. Cormons, M. Gochfeld
1994, The Auk (111) 881-887
A model-based analysis was done to test several hypotheses concerning the rates of loss of butt-ended color bands placed on adult Roseate Terns (Sterna dougallii) in the western North Atlantic. These birds were captured and color banded from 1987-1991 at four colony sites, and recaptured from 1989-1992 as part of...
Estimating breeding proportions and testing hypotheses about costs of reproduction with capture-recapture data
James D. Nichols, James E. Hines, Kenneth H. Pollock, Robert L. Hinz, William A. Link
1994, Ecology (75) 2052-2065
The proportion of animals in a population that breeds is an important determinant of population growth rate. Usual estimates of this quantity from field sampling data assume that the probability of appearing in the capture or count statistic is the same for animals that do and do not breed. A...
The earthquake prediction experiment at Parkfield, California
E. Roeloffs, J. Langbein
1994, Reviews of Geophysics (32) 315-336
Since 1985, a focused earthquake prediction experiment has been in progress along the San Andreas fault near the town of Parkfield in central California. Parkfield has experienced six moderate earthquakes since 1857 at average intervals of 22 years, the most recent a magnitude 6 event in 1966. The probability of...
Mineralogy of a calc-silicate locality near Genesee Park, Jefferson County, Colorado
D. E. Kile, P.J. Modreski
1994, Rocks & Minerals (69) 298-308
No abstract available. ...
Statistical aspects of modeling population change from population size data
J.R. Sauer, R. J. Barker, P.H. Geissler
R.J. Kendall, T.E. Lacher Jr., editor(s)
1994, Book chapter, Wildlife Toxicology and Population Modeling: Integrated Studies of Agroecosystems
Measurements of toxicity and critical stages of development
D. J. Hoffman
Ronald J. Kendall, Thomas E.= Lacher Jr., editor(s)
1994, Book chapter, Wildlife Toxicology and Population Modeling: Integrated Studies of Agroecosystems, proceedings of the Ninth Pellston Workshop, Kiawah Island, South Carolina, July 22-27, 1990
Acute and subacute toxicology in evaluation of pesticide hazard to avian wildlife
E. F. Hill
Ronald J. Kendall, Thomas E.= Lacher Jr., editor(s)
1994, Book chapter, Wildlife Toxicology and Population Modeling: Integrated Studies of Agroecosystems, proceedings of the Ninth Pellston Workshop, Kiawah Island, South Carolina, July 22-27, 1990
How valuable are the results of models and laboratory studies when extended to field situations?
G. H. Heinz, M. Brody, L. J. Blus
Ronald J. Kendall, Thomas E.= Lacher Jr., editor(s)
1994, Book chapter, Wildlife Toxicology and Population Modeling: Integrated Studies of Agroecosystems, proceedings of the Ninth Pellston Workshop, Kiawah Island, South Carolina, July 22-27, 1990
Comparison of drier- to wetter-interval estuarine roof facies in the Eastern and Western Interior coal basins, USA
A.W. Archer, H. R. Feldman, E.P. Kvale, William P. Lanier
1994, Palaeogeography, Palaeoclimatology, Palaeoecology (106) 171-185
Many of the Carboniferous coals in the eastern interior of the US are associated with siliciclastic roof facies that were deposited within a fluvio-estuarine transition. These facies include a variety of rhythmites, some of which exhibit tidal cycles. Drier-interval coals (Westphalian B-C, Stephanian) tend to be more laterally restricted and...
Paleoecology of the Fire Clay coal bed in a portion of the Eastern Kentucky Coal Field
C.F. Eble, J.C. Hower, W.M. Andrews Jr.
1994, Palaeogeography, Palaeoclimatology, Palaeoecology (106) 287-305
Vertically continuous increment samples of the Fire Clay coal bed (mid-Middle Pennsylvanian, late Westphalian B), collected from a portion of the Central Appalachian Basin, were studied palynologically, petrographically and geochemically in order to partially reconstruct the paleoecology and processes associated with peat formation in the ancient Fire Clay paleomire. Results...
40Ar/39Ar thermochronologic constraints on the tectonothermal evolution of the northern East Humboldt Range metamorphic core complex, Nevada
Allen J. McGrew, Lawrence W. Snee
1994, Tectonophysics (238) 425-450
The northern East Humboldt Range (NEHR) of northeastern Nevada exposes a suite of complexly deformed migmatitic, upper amphibolite-facies rocks in the footwall of the Ruby Mountains-East Humboldt Range (RM-EHR) detachment fault. New 40Ar/39Ar data on hornblende, muscovite, biotite, and potassium feldspar help constrain the kinematic and thermal evolution of this terrain...
Late Pliocene climate change 3.4-2.3 Ma: paleoceanographic record from the Yabuta Formation, Sea of Japan
T. M. Cronin, A. Kitamura, Noriyuki Ikeya, M. E. Watanabe, T. Kamiya
1994, Palaeogeography, Palaeoclimatology, Palaeoecology (108) 437-455
Late Pliocene paleoceanographic changes in the Sea of Japan between 3.4 and2.3 Ma were investigated through study of molluscs, diatoms, and ostracodes from the Yabuta Formation in Toyama Prefecture. The period 3.4-2.7 Ma was characterized by relatively high sea level and cool water benthic faunas. A progressive paleoceanographic shift towards...
An updated numerical simulation of the ground-water flow system for the Castle Lake debris dam, Mount St. Helens, Washington, and implications for dam stability against heave
Evelyn A. Roeloffs
1994, Water-Resources Investigations Report 94-4075
A numerical simulation of the ground-water flow system in the Castle Lake debris dam, calibrated to data from the 1991 and 1992 water years, was used to estimate factors of safety against heave and internal erosion. The Castle Lake debris dam, 5 miles northwest of the summit of Mount St....
Two-dimensional advective transport in nonlinear regression; sensitivities and uncertainty of plume-front observations
E.R. Anderman, Mary C. Hill, E. P. Poeter
James W. Warner, Paul van der Heijde, editor(s)
1994, Book chapter, Proceedings: 1994 Groundwater Modeling Conference, August 10-12, 1994, Colorado State University Campus, Fort Collins, Colorado
No abstract available....
ANALOG: a program for estimating paleoclimate parameters using the method of modern analogs
Peter N. Schweitzer
1994, Open-File Report 94-645
Beginning in the 1970s with CLIMAP, paleoclimatologists have been trying to derive quantitative estimates of climatic parameters from the sedimentary record. In general the procedure is to observe the modern distribution of some component of surface sediment that depends on climate, find an empirical relationship between climate and the character...
Preliminary gravity and magnetic models across Midway Valley and Yucca Wash, Yucca Mountain, Nevada
D. A. Ponce, V.E. Langenheim
1994, Open-File Report 94-572
Hydraulic modeling of stream channels and structures in Harbor and Crow Hollow Brooks, Meriden, Connecticut
Lawrence A. Weiss, Michael P. Sears, Michael A. Cervione Jr.
1994, Water-Resources Investigations Report 94-4153
Effects of urbanization have increased the frequency and size of floods along certain reaches of Harbor Brook and Crow Hollow Brook in Meriden, Conn. A floodprofile-modeling study was conducted to model the effects of selected channel and structural modifications on flood elevations and inundated areas. The study covered the reach...
A comparison of simultaneous plasma, atomic absorption, and iron colorimetric determinations of major and trace constituents in acid mine waters
J.W. Ball, D. Kirk Nordstrom
1994, Water-Resources Investigations Report 93-4122
Sixty-three water samples collected during June to October 1982 from the Leviathan/Bryant Creek drainage basin were originally analyzed by simultaneous multielement direct-current plasma (DCP) atomic-emission spectrometry, flame atomic-absorption spectrometry, graphite-furnace atomic-absorption spectrometry (GFAAS) (thallium only), ultraviolet-visible spectrometry, and hydride-generation atomic-absorption spectrometry.Determinations were made for the following metallic and semi-metallic constituents:...
Global energy and water cycle experiment (GEWEX) continental-scale international project (GCIP); reference data sets CD-ROM
Alan Rea, Joel R. Cederstrand
1994, Open-File Report 94-388
The data sets on this compact disc are a compilation of several geographic reference data sets of interest to the global-change research community. The data sets were chosen with input from the Global Energy and Water Cycle Experiment (GEWEX) Continental-Scale International Project (GCIP) Data Committee and the GCIP Hydrometeorology and...
Water-quality conditions and streamflow gain and loss of the South Prong of Spavinaw Creek basin, Benton County, Arkansas
Robert L. Joseph, W. Reed Green
1994, Open-File Report 94-706-W
A study of the South Prong of Spavinaw Creek Basin conducted baween July 14 and July 23. 1993. described the surface- and ground-water quality of the basin and the streamflow gain and loss. Water samples were collected from 10 sites on the mainstem of the South Prong of Spavinaw Creek...
Circum-North Pacific tectonostratigraphic terrane map
Warren J. Nokleberg, Leonid M. Parfenov, James W.H. Monger, Boris B. Baranov, Stanislav G. Byalobzhesky, Thomas K. Bundtzen, Tracey D. Feeney, Kazuya Fujita, Steven P. Gordey, Arthur Grantz, Alexander I. Khanchuk, Boris A. Natal’in, Lev M. Natapov, Ian O. Norton, William W. Patton Jr., George Plafker, David W. Scholl, Sergei D. Sokolov, Gleb M. Sosunov, David B. Stone, Rowland W. Tabor, Nickolai V. Tsukanov, Tracy L. Vallier, Koji Wakita
1994, Open-File Report 94-714
The companion tectonostratigraphic terrane and overlap assemblage of map the Circum-North Pacific presents a modern description of the major geologic and tectonic units of the region. The map illustrates both the onshore terranes and overlap volcanic assemblages of the region, and the major offshore geologic features. The map is the...
Ground-water flow and quality, and geochemical processes, in Indian Wells Valley, Kern, Inyo, and San Bernardino counties, California, 1987-88
Charles Berenbrock, R. A. Schroeder
1994, Water-Resources Investigations Report 93-4003
An existing water-quality data base for the 300- square-mile Indian Wells Valley was updated by means of chemical and isotopic analysis of ground water. The wide range in measured concentrations of major ions and of minor constituents such as fluoride, borate, nitrate, manganese, and iron is attributed to geochemical reactions...
