Genotoxicity in native fish associated with agricultural runoff events
Andrew Whitehead, Kathryn Kuivila, James L. Orlando, S. Kotelevtsev, Susan L. Anderson
2004, Environmental Toxicology and Chemistry (23) 2868-2877
The primary objective of the present study was to test whether agricultural chemical runoff was associated with in-stream genotoxicity in native fish. Using Sacramento sucker (Catostomus occidentalis), we combined field-caging experiments in an agriculturally dominated watershed with controlled laboratory exposures to field-collected water samples, and we coupled genotoxicity biomarker measurements...
Density dependence and risk of extinction in a small population of sea otters
L.R. Gerber, K.E. Buenau, G. VanBlaricom
2004, Biodiversity and Conservation (13) 2741-2757
Sea otters (Enhydra lutris (L.)) were hunted to extinction off the coast of Washington State early in the 20th century. A new population was established by translocations from Alaska in 1969 and 1970. The population, currently numbering at least 550 animals, A major threat to the population is the ongoing...
Effect of stock size, climate, predation, and trophic status on recruitment of alewives in Lake Ontario, 1978-2000
Robert O’Gorman, Brian F. Lantry, Clifford P. Schneider
2004, Transactions of the American Fisheries Society (133) 855-867
The population of alewives Alosa pseudoharengus in Lake Ontario is of great concern to fishery managers because alewives are the principal prey of introduced salmonines and because alewives negatively influence many endemic fishes. We used spring bottom trawl catches of alewives to investigate the roles of stock size, climate, predation, and lake...
An intensity scale for riverine flooding
J.M. Fulford
Sehlke G.Hayes D.F.Stevens D.K., editor(s)
2004, Conference Paper, Proceedings of the 2004 World Water and Environmetal Resources Congress: Critical Transitions in Water and Environmetal Resources Management
Recent advances in the availability and accuracy of multi-dimensional flow models, the advent of precise elevation data for floodplains (LIDAR), and geographical GIS allow the creation of hazard maps that more correctly reflect the varying levels of flood-damage risk across a floodplain when inundatecby floodwaters. Using intensity scales for wind...
St. Louis Metro East region sediment and geomorphic study
T. D. Straub
Sehlke G.Hayes D.F.Stevens D.K., editor(s)
2004, Conference Paper, Proceedings of the 2004 World Water and Environmetal Resources Congress: Critical Transitions in Water and Environmetal Resources Management
Judy's Branch, a small basin (8.64 mi2) near Glen Carbon, Illinois, is selected as a pilot site to determine sediment yield and channel erosion of streams draining the bluffs of the American Bottoms in the Metro East area of Illinois. This paper presents results of an on-going sediment and geomorphic...
Comparison of four moderate-size earthquakes in southern California using seismology and InSAR
R.J. Mellors, H. Magistrale, P. Earle, A.H. Cogbill
2004, Bulletin of the Seismological Society of America (94) 2004-2014
Source parameters determined from interferometric synthetic aperture radar (InSAR) measurements and from seismic data are compared from four moderate-size (less than M 6) earthquakes in southern California. The goal is to verify approximate detection capabilities of InSAR, assess differences in the results, and test how the two results can be...
Economic and health risk trade-offs of swim closures at a Lake Michigan beach
Sharyl M. Rabinovici, Richard L. Bernknopf, Anne M. Wein, Don L. Coursey, Richard L. Whitman
2004, Environmental Science & Technology (38) 2737-2745
This paper presents a framework for analyzing the economic, health, and recreation implications of swim closures related to high fecal indicator bacteria (FIB) levels. The framework utilizes benefit transfer policy analysis to provide a practical procedure for estimating the effectiveness of recreational water quality policies. Evaluation criteria include the rates...
Spawning by lake sturgeon (Acipenser fulvescens) in the Detroit River
N.M. Caswell, D. L. Peterson, B.A. Manny, G.W. Kennedy
2004, Journal of Applied Ichthyology (20) 1-6
Overfishing and habitat destruction in the early 1900s devastated lake sturgeon (Acipenser fulvescens) populations in the Great Lakes. Although a comprehensive restoration strategy for this species was recently drafted by the Michigan Department of Natural Resources, a lack of current data on Great Lakes sturgeon stocks has hindered rehabilitation efforts....
Reconstructing paleo lake levels from relict shorelines along the Upper Great Lakes
Steve J. Baedke, Todd A. Thompson, John W. Johnston, Douglas A. Wilcox
2004, Aquatic Ecosystem Health & Management (7) 435-449
Shorelines of the upper Great Lakes include many embayments that contain strandplains of beach ridges. These former shoreline positions of the lakes can be used to determine changes in the elevation of the lakes through time, and they also provide information on the warping of the ground surface that...
Escherichia coli sampling reliability at a frequently closed Chicago beach: monitoring and management implications
Richard L. Whitman, Meredith B. Nevers
2004, Environmental Science & Technology (38) 4241-4246
Monitoring beaches for recreational water quality is becoming more common, but few sampling designs or policy approaches have evaluated the efficacy of monitoring programs. The authors intensively sampled water for E. coli (N=1770) at 63rd Street Beach, Chicago for 6 months in 2000 in order to (1) characterize spatial-temporal trends, (2) determine...
Population dynamics of bloaters Coregonus hoyi in Lake Huron, 1980-1998
Jeffrey S. Schaeffer
2004, Annales Zoologici Fennici (41) 271-279
I investigated population dynamics of bloaters Coregonus hoyi in Lake Huron using data collected during 1980-1998 from fixed-site trawl surveys. Bloaters were uncommon in 1980, but abundance increased during 1980-1992 through a series of strong year classes. High adult abundance appeared to suppress recruitment after 1992, and the population subsequently...
Time-dependent lethal body residues for the toxicity of pentachlorobenzene to Hyalella azteca
Peter F. Landrum, Jeffery A. Steevens, Duane C. Gossiaux, Michael McElroy, Sander Robinson, Linda Begnoche, Sergei Chernyak, James Hickey
2004, Environmental Toxicology and Chemistry (23) 1335-1343
The study examined the temporal response of Hyalella azteca to pentachlorobenzene (PCBZ) in water-only exposures. Toxicity was evaluated by calculating the body residue of PCBZ associated with survival. The concentration of PCBZ in the tissues of H. azteca associated with 50% mortality decreased from 3 to 0.5 μmol/g over the temporal range of 1...
Ground-water pumpage and artificial recharge estimates for calendar year 2000 and average annual natural recharge and interbasin flow by hydrographic area, Nevada
Thomas J. Lopes, David M. Evetts
2004, Scientific Investigations Report 2004-5239
Nevada's reliance on ground-water resources has increased because of increased development and surface-water resources being fully appropriated. The need to accurately quantify Nevada's water resources and water use is more critical than ever to meet future demands. Estimated ground-water pumpage, artificial and natural recharge, and interbasin flow can be used...
Fleet dynamics of the commercial lake trout fishery in Michigan waters of Lake Superior during 1929-1961
Michael J. Wilberg, Charles R. Bronte, Michael J. Hansen
2004, Journal of Great Lakes Research (30) 252-266
Understanding fishing fleet dynamics is important when using fishery dependent data to infer the status of fish stocks. We analyzed data from mandatory catch reports from the commercial lake trout (Salvelinus namaycush) fishery in Michigan waters of Lake Superior during 1929–1961, a period when lake trout populations collapsed through the...
Land cover mapping of North and Central America—Global Land Cover 2000
Rasim Latifovic, Zhi-Liang Zhu
2004, Remote Sensing of Environment (89) 116-127
The Land Cover Map of North and Central America for the year 2000 (GLC 2000-NCA), prepared by NRCan/CCRS and USGS/EROS Data Centre (EDC) as a regional component of the Global Land Cover 2000 project, is the subject of this paper. A new mapping approach for transforming satellite observations acquired by...
New U-series dates at the Caune de l'Arago, France
Christophe Falgueres, Y. Yokoyama, G. Shen, James L. Bischoff, T.-L. Ku, Henry de Lumley
2004, Journal of Archaeological Science (31) 941-952
In the beginning of the 1980s, the Caune de l'Arago was the focus of an interdisciplinary effort to establish the chronology of the Homo heidelbergensis (Preneandertals) fossils using a variety of techniques on bones and on speleothems. The result was a very large spread of dates particularly on bone samples....
Forecasting vegetation greenness with satellite and climate data
Lei Ji, Albert J. Peters
2004, IEEE Geoscience and Remote Sensing Letters (1) 3-6
A new and unique vegetation greenness forecast (VGF) model was designed to predict future vegetation conditions to three months through the use of current and historical climate data and satellite imagery. The VGF model is implemented through a seasonality-adjusted autoregressive distributed-lag function, based on our finding that the normalized difference...
Geochemical discrimination of five pleistocene lava-dam outburst-flood deposits, western Grand Canyon, Arizona
C.R. Fenton, R.J. Poreda, B.P. Nash, R. H. Webb, T.E. Cerling
2004, Journal of Geology (112) 91-110
Pleistocene basaltic lava dams and outburst‐flood deposits in the western Grand Canyon, Arizona, have been correlated by means of cosmogenic 3He (3Hec) ages and concentrations of SiO2, Na2O, K2O, and rare earth elements. These data indicate that basalt clasts and vitroclasts in a given outburst‐flood deposit came from a common source,...
Recommendations for the use of mist nets for inventory and monitoring of bird populations
C. John Ralph, Erica H. Dunn, Will J. Peach, Colleen M. Handel
C. John Ralph, Erica H. Dunn, editor(s)
2004, Book chapter, Monitoring bird populations using mist nets (Studies in Avian Biology no. 29)
We provide recommendations on the best practices for mist netting for the purposes of monitoring population parameters such as abundance and demography. Studies should be carefully thought out before nets are set up, to ensure that sampling design and estimated sample size will allow study objectives to be met. Station...
The National Geochemical Survey: Database and documentation
Water Resources Division, U.S. Geological Survey
2004, Open-File Report 2004-1001
The USGS, in collaboration with other federal and state government agencies, industry, and academia, is conducting the National Geochemical Survey (NGS) to produce a body of geochemical data for the United States based primarily on stream sediments, analyzed using a consistent set of methods. These data will compose a...
Late Quaternary stratigraphy and geochronology of the western Killpecker Dunes, Wyoming, USA
J. H. Mayer, S. A. Mahan
2004, Quaternary Research (61) 72-84
New stratigraphic and geochronologic data from the Killpecker Dunes in southwestern Wyoming facilitate a more precise understanding of the dune field's history. Prior investigations suggested that evidence for late Pleistocene eolian activity in the dune field was lacking. However, luminescence ages from eolian sand of ???15,000 yr, as well as...
Use of 87Sr/86Sr and δ11B to Identify Slag-Affected Sediment in Southern Lake Michigan
E. Randall Bayless, Thomas D. Bullen, John A. Fitzpatrick
2004, Environmental Science & Technology (38) 1330-1337
Slag is a ubiquitous byproduct of the iron-smelting industry and influences geochemistry and water quality in adjacent geologic units, ground and surface water. Despite extensive slag deposition along the Indiana shoreline of Lake Michigan, definitive evidence that slag has affected lakebed sediments has not been established. Concerns for the protection...
Identification of spectrally similar materials using the USGS Tetracorder algorithm: The calcite-epidote-chlorite problem
J.B. Dalton, D. J. Bove, C.S. Mladinich, B.W. Rockwell
2004, Remote Sensing of Environment (89) 455-466
A scheme to discriminate and identify materials having overlapping spectral absorption features has been developed and tested based on the U.S. Geological Survey (USGS) Tetracorder system. The scheme has been applied to remotely sensed imaging spectroscopy data acquired by the Airborne Visible and Infrared Imaging Spectrometer (AVIRIS) instrument. This approach...
Annual Report for 2003 Wild Horse Research and Field Activities
Jason Ransom, Francis J. Singer, Linda Zeigenfuss
2004, Open-File Report 2004-1264
As stated in the Wild Horse Fertility Control Field Trial Plan, the Bureau of Land Management (BLM) has an immediate need for a safe, effective contraceptive agent to assist in the management of the large number of wild horses on western rangelands. The BLM and the U.S. Geological Survey-Biological Resources...
Multiple-Aquifer Characterization from Single Borehole Extensometer Records
J.P. Pope, T. J. Burbey
2004, Ground Water (42) 45-58
Measurement and analysis of aquifer-system compaction have been used to characterize aquifer and confining unit properties when other techniques such as flow modeling have been ineffective at adequately quantifying storage properties or matching historical water levels in environments experiencing land subsidence. In the southeastern coastal plain of Virginia, high-sensitivity borehole...
