Effects of oral doses of fluoride on nestling European starlings
W. James Fleming, Christian E. Grue, Carol Schuler, Christine M. Bunck
1987, Archives of Environmental Contamination and Toxicology (16) 483-489
Nestling European starlings (Sturnus vulgaris), raised and fed by free-living adults, were given daily oral doses of either distilled water, 193 mg sodium as Na2CO3 per kg of body weight (sodium control group), or 6, 10, 13, 17, 23, 30, 40, 80, 160 mg of the fluoride ion as NaF in...
Persistence of DDT and metabolites in wildlife from Washington State orchards
L. J. Blus, Charles J. Henny, C. J. Stafford, R. A. Grove
1987, Archives of Environmental Contamination and Toxicology (16) 467-476
Residues of the DDT group, particularly p,p′-DDT (DDT) were detected in high or unusual amounts in some wildlife samples collected in fruit orchards near Wenatchee, Washington from 1979 to 1983. Samples of birds contained p,p′-DDE (DDE) and DDT in ratios (DDE:DDT) as low as 2.6:1 in eggs and 1.9:1 in brains....
Rapid assay for microbially reducible ferric iron in aquatic sediments
Derek R. Lovely, Elizabeth Philips
1987, Applied and Environmental Microbiology (53) 1536-1540
The availability of ferric iron for microbial reduction as directly determined by the activity of iron-reducing organisms was compared with its availability as determined by a newly developed chemical assay for microbially reducible iron. The chemical assay was based on the reduction of poorly crystalline ferric iron by hydroxylamine under...
Big Soda Lake (Nevada). 2. Pelagic sulfate reduction
Richard L. Smith, Ronald S. Oremland
1987, Limnology and Oceanography (32) 794-803
The epilimnion of hypersaline, alkaline, meromictic Big Soda Lake contains an average 58 mmol sulfate liter−1 and 0.4 µmol dissolved iron liter−1. The monimolimnion, which is permanently anoxic, has a sulfide concentration ranging seasonally from 4 to 7 mmol liter−1. Depth profiles of sulfate reduction in the monimolimnion, assayed with a 35S tracer...
Big Soda Lake (Nevada). 3. Pelagic methanogenesis and anaerobic methane oxidation
Niels Iversen, Ronald S. Oremland, Michael J. Klug
1987, Limnology and Oceanography (32) 804-814
In situ rates of methanogenesis and methane oxidation were measured in meromictic Big Soda Lake. Methane production was measured by the accumulation of methane in the headspaces of anaerobically sealed water samples; radiotracer was used to follow methane oxidation. Nearly all the methane oxidation occurred in the anoxic zones of...
The use of the National Water Data Exchange in support of estuarine and coastal programs
Owen O. Williams, Melvin D. Edwards
1987, Conference Paper, Proceedings of the Tenth National conference of the Coastal Society
The National Water Data Exchange(NAWDEX) was established by the U.S. Geological Survey in 1976. Its program is directed toward improving the exchange of water and water-related data collected and made available by hundreds of federal and non-federal agencies throughout the United States....
Growth and physiological condition of black ducks reared on acidified wetlands
Barnett A. Rattner, G.M. Haramis, Diane S. Chu, C.M. Bunck, C.G. Scanes
1987, Canadian Journal of Zoology (65) 2953-2958
Acid deposition has been identified as one of several possible factors contributing to the decline of some waterfowl populations in North America. In an effort to examine the effects of acidification on black duck (Anas rubripes) recruitment, growth and physiological condition were monitored in ducklings foraging for a 10-day trial...
Selenium contamination of the Grasslands, a major California waterfowl area
H. M. Ohlendorf, R. L. Hothem, Thomas W. Aldrich, A. J. Krynitsky
1987, Science of the Total Environment (66) 169-183
In a recent study at Kesterson Reservoir in California, selenium was shown to cause mortality and deformities in embryos of aquatic birds. The present study was conducted to determine if selenium or other contaminants in agricultural drainwater used for marsh management were likely to cause similar adverse effects in the...
Geologic setting, petrology, and geochemistry of stratiform sphalerite-galena- barite deposits, red dog creek and drench water creek areas, northwestern Brooks Range, Alaska-a reply
Ian M. Lange, Warren J. Nokleberg
1987, Economic Geology (82) 1079-1081
No abstract available....
The relation between human presence and occurrence of Giardia Cysts in streams in the Sierra Nevada, California
Thomas J. Suk, Stephen K. Sorenson, Peter D. Dileanis
1987, Journal of Freshwater Ecology (4) 71-75
A portable apparatus was used to filter large quantities of water from streams in California's Sierra Nevada. Samples were processed and examined for Giardia spp. Cysts of Giardia were detected in 22 of 49 (44.9 percent) samples collected at sites downstream from areas of high recreational use and in 5...
Response of wetland herbaceous communities to gradients of light and substrate following disturbance by thermal pollution
Christopher P. Dunn, Michael L. Scott
1987, Vegetatio (70) 119-124
The influence of thermal disturbance and site characteristics on distribution of herbs was studied in portions of a 3020 ha wetland in the southeastern USA. Presence-absence of 52 species in 130 0.25 m2 plots was determined from four sites with different disturbance histories and from an undisturbed site. Data from...
In situ striped bass (Morone saxatilis) contaminant and water quality studies in the Potomac River
L. W. Hall Jr., W. S. Hall, S. J. Bushong, Roger L. Herman
1987, Aquatic Toxicology (10) 73-99
The objectives of this study were to evaluate survival of striped bass (Morone saxatilis) prolarvae and yearlings in the Potomac River by using in situ test chambers; correlate survival of both striped bass life stages with the presence of water quality conditions, inorganic contaminants, and organic contaminants and conduct histological...
A wireline piston core barrel for sampling cohesionless sand and gravel below the water table
Michael M. Zapico, Samuel Vales, John A. Cherry
1987, Groundwater Monitoring & Remediation (7) 74-82
A coring device has been developed to obtain long and minimally disturbed samples of saturated cohesionless sand and gravel. The coring device, which includes a wireline and piston, was developed specifically for use during hollow-stem auger drilling but it also offers possibilities for cable tool and rotary drilling. The core...
Quantitative studies of biodegradation of petroleum and some model hydrocarbons in ground water and sediment environments: Chapter 20
Fu-Hsian Chang, M. F. Hult, N.N. Noben
Deborah M. Fairchild, editor(s)
1987, Book chapter, Ground-water quality and agricultural practices
No abstract available....
Increased solubility of quartz in water due to complexing by organic compounds
P. Bennett, D. I. Siegel
1987, Nature (326) 684-686
Quartz is the most stable natural solid phase of silica. It weathers extremely slowly at the Earth's surface1, and often resists weathering even after all other silicate minerals have been degraded. However, there is ample evidence from both ancient and modern environments indicating enhanced dissolution and mobility of silica under...
Fall and winter foods of northern pintails in the Sacramento Valley, California
Michael R. Miller
1987, Journal of Wildlife Management (51) 405-415
Food habits of northern pintails (Anas acuta) were investigated on 3 national wildlife refuges in the western portion of the Sacramento Valley, California, from August to March 1979-82. Pintails consumed >97% (aggregate % dry wt) plant food during diurnal foraging on national wildlife refuge rice, summer- irrigated, and summer-dry habitats...
Sedimentation in Lake Onalaska, navigation pool 7, Upper Mississippi River, since impoundment
C. E. Korschgen, G. A. Jackson, L.F. Muessig, D.C. Southworth
1987, Journal of the American Water Resources Association (23) 221-226
Sediment accumulation was evaluated in Lake Onalaska, a 2800-ha backwater impoundment on the Upper Mississippi River. Computer programs were used to process bathometric charts and generate an extensive data set on water depth for the lake. Comparison of 1983 survey data with pre-impoundment (before 1937) data showed...
Velocity control as a tool for optimal plume containment in the Equus Beds aquifer, Kansas
M. Heidari, J. Sadeghipour, O. Drici
1987, Journal of the American Water Resources Association (23) 325-335
A ground-water-management model was developed to investigate the best management options for the containment of an oil-field-brine plume in the Equus Beds aquifer in south-central Kansas. The main purpose of the management model was to find the optimal locations and minimum rates of pumpage of a set...
Use of topological information in hydrograph estimation
M.R. Karlinger, D.P. Guertin, B.M. Troutman
1987, Journal of the American Water Resources Association (23) 271-279
Discharge hydrographs computed from the theory of linear flow through topologically random channel networks are compared to actual discharge hydrographs for basins in semiarid regions of central Wyoming. The basins drained by the channel networks range in size from 0.69 to 10.8 square miles. Topological information consisting of stream-network magnitude...
Water-quality trends in the nation's rivers
Richard A. Smith, Richard B. Alexander, M. G. Wolman
1987, Science (235) 1607-1615
Water-quality records from two nationwide sampling networks now permit nationally consistent analysis of long-term water-quality trends at more than 300 locations on major U.S. rivers. Observed trends in 24 measures of water quality for the period from 1974 to 1981 provide new insight into changes in stream quality that occurred...
Monodisperse ferrous phosphate colloids in an anoxic groundwater plume
Philip M. Gschwend, Matthew D. Reynolds
1987, Journal of Contaminant Hydrology (1) 309-327
Groundwater samples collected near a secondary-sewage infiltration site on Cape Cod, Massachusetts were examined for colloidal materials (10–1000 nm). In two wells the water contained a population of monodisperse 100-nm particles, detected using laser-light scattering and autocorrelation data processing. SEM and SEM-EDAX analysis of these colloidal materials collected on ultrafilters...
Water on Mars
M. H. Carr
1987, Nature (326) 30-35
Estimates of the amount of water outgassed from Mars, based on the composition of the atmosphere, range from 6 to 160 m, as compared with 3 km for the Earth. In contrast, large flood features, valley networks, and several indicators of ground ice suggest that at least 500 m of...
Eocene siliceous and calcareous phytoplankton, Deep Sea Drilling Project Leg 95
David Bukry
1987, Initial Reports of the D.S.D.P. (95) 395-415
Eocene siliceous and calcareous phytoplankton, with emphasis on silicoflagellates, were studied in 62 samples from DSDP Sites 612 and 613 on the continental slope and rise off New Jersey. The mid-latitude assemblages correlate well with assemblages from California, Peru, and offshore of southern Brazil, but are distinctly different from high-latitude...
North Atlantic Quaternary silicoflagellates, Deep Sea Drilling Project Leg 94
David Bukry
1987, Initial Reports of the D.S.D.P. (94) 779-783
Quaternary silicoflagellates from Deep Sea Drilling Project (DSDP) Mid-Atlantic Leg 94 are generally sparse and dissolution-thinned. Mesocena quadrangula, a low-latitude biostratigraphic guide species, occurs at all four sites studied (606, 607, 609, and 611), allowing identification of low-latitude zones—Dictyocha aculeata Zone, Mesocena quadrangula Zone, and Dictyocha stapedia stapedia Zone. A...
Methods for evaluating riparian habitats with applications to management
William S. Platts, C.L. Armour, G.D. Booth, M. Bryant, J.L. Bufford, P. Cuplin, S. Jensen, G.W. Lienkaemper, G.W. Minshall, S.T. Monsen, R.L. Nelson, J.R. Sedell, J.S. Tuhy
1987, Report
Riparian area planning and management is a major national issues today--something that should have been the case a century ago. A century of additive effects of land use has resulted in major impacts on many riparian stream habitats and their fisheries, wildlife, and domestic livestock use. Before scientists can evaluate...
