Continuous monitoring of suspended sediment discharge in rivers by use of optical backscatterance sensors
D. H. Schoellhamer, S.A. Wright
2003, Book chapter, Erosion and sediment transport measurement: Technological and methodological advances: International Association for Hydrological Science Publication 283
No abstract available....
A bathymetry system for measuring sediment accumulation in tidal marsh restoration projects
John Y. Takekawa, S. Demers, I. Woo, N.D. Athearn, N. Ganju, G.G. Shellenbarger, D. Schoellhamer, W.M. Perry
2003, Conference Paper, Proceedings of the 6th biennial State-of-the-Estuary Conference
No abstract available....
Specific-conductance, water-temperature, and water-level data, San Francisco Bay, California, for water years 2001-2002
P.A. Buchanan
2003, Interagency Ecological Program Newsletter (16) 25-30
This article presents time-series plots of specific-conductance, water-temperature, and water-level data collected in San Francisco Bay during water years 2001 and 2002 (October 1, 2000, through September 30, 2002). Specific-conductance and water-temperature data were recorded at 15-minute intervals at the following US Geological Survey (USGS) locations (Figure 1): • Suisun...
Formation and evolution of valley-bottom and channel features, Lower Deschutes River, Oregon
Janet H. Curran, Jim E. O’Conner
Jim E. O’Conner, Gordon E. Grant, editor(s)
2003, AGU Water Science and Application Series 7-5
Primary geologic and geomorphic processes that formed valley-bottom and channel features downstream from the Pelton-Round Butte dam complex are inferred from a canyon-long analysis of feature morphology, composition, location, and spatial distribution. Major controls on valley-bottom morphology are regional tectonics, large landslides, and outsized floods (floods with return periods greater...
Western crevice and cavity-roosting bats
Michael A. Bogan, Paul M. Cryan, Ernest W. Valdez, Laura E. Ellison, Thomas J. O’Shea
2003, Report, Monitoring trends in bat populations of the United States and territories: Problems and prospects (Information and Technology Report 2003-0003)
Among the 45 species of bats that occur in the United States (U.S.), 34 species regularly occur in western regions of the country. Many of these “western” species choose roost sites in crevices or cavities. Herein we provide an introduction to the biology of bats that roost in cavities and...
Movement and habitat use by radio-tagged paddlefish in the upper Mississippi River and tributaries
S. J. Zigler, M. R. Dewey, B.C. Knights, A.L. Runstrom, M.T. Steingraeber
2003, North American Journal of Fisheries Management (23) 189-205
We used radio telemetry to evaluate the movement and habitat use of paddlefish Polyodon spathula in the upper Mississippi River and two tributary rivers. Radio transmitters were surgically implanted into 71 paddlefish in Navigation Pools 5A and 8 of the upper Mississippi River, the Chippewa River, and the Wisconsin River...
Exposure and effects of chemical contaminants on tree swallows nesting along the Housatonic River, Berkshire County, Massachusetts, USA, 1998-2000
Christine M. Custer, T. W. Custer, P.M. Dummer, K.L. Munney
2003, Environmental Toxicology and Chemistry (22) 1605-1621
Hatching success of tree swallows (Tachycineta bicolor) was assessed for three years in relation to chemical contamination along the Housatonic River, Berkshire County (MA, USA), in 1998, 1999, and 2000. Nest boxes were erected at five sites along the Housatonic River and its tributaries and at one reference location. Concentrations...
Evaluation of relocation of unionid mussels to in situ refugia
W.G. Cope, M.C. Hove, D. L. Waller, D.J. Hornbach, M.R. Bartsch, L.A. Cunningham, H.L. Dunn, A.R. Kapuscinski
2003, Journal of Molluscan Studies (69) 27-34
The aim of this study was to evaluate the recovery and survival of four species of unionid mussles [pimpleback, Quadrula pustulosa pustulosa (I. Lea, 1831); spike, Elliptio dilatata (Rafinesque, 1820); Higgins eye, Lampsilis higginsii (I. Lea, 1857); and pocketbook, Lampsilis cardium (Rafinesque, 1820)] that were experimentally relocated to in situ...
New Publications of the U.S. Geological Survey, January-March 2003
Water Resources Division, U.S. Geological Survey
2003, Report
A list of USGS publications and articles by U.S. Geological Survey personnel in non-U.S. Geological Survey journals and books that were published in January to March of the year 2003....
Environmental fate and effects of the lampricide TFM: a review
T.D. Hubert
2003, Journal of Great Lakes Research (29) 456-474
Use of 3-trifluoromethyl-4-nitrophenol (TFM) is limited geographically to the Great Lakes basin where it is the principal agent used in control of the sea lamprey (Petromyzon marinus). It is clear from available data that TFM has effects on the environment, but the effects reported are transient. Individual organisms and aquatic...
U.S. Geological Survey Greater Everglades Science Program: 2002 Biennial Report
Arturo E. Torres, Aaron L. Higer, Heather S. Henkel, Patsy R. Mixson, Jane R. Eggleston, Teresa L. Embry, Gail Clement
2003, Open-File Report 03-54
IntroductionThe U.S. Geological Survey (USGS) conducts scientific investigations in south Florida to improve society’s understanding of the environment and assist in the sustainable use, protection, and restoration of the Everglades and other ecosystems within the region. The investigations summarized in this document have been carried out under the Greater Everglades...
Efficacy of hydrogen peroxide in controlling mortality associated with saprolegniasis on walleye, white sucker, and paddlefish eggs
M.P. Gaikowski, J.J. Rach, M. Drobish, J. Hamilton, T. Harder, L.A. Lee, C. Moen, A. Moore
2003, North American Journal of Aquaculture (65) 349-355
The efficacy of hydrogen peroxide in controlling saprolegniasis on eggs of walleye Stizostedion vitreum, white sucker Catostomus commersoni, and paddlefish Polyodon spathula was evaluated at four private, state, and federal production hatcheries participating in an Investigational New Animal Drug efficacy study (experiment 1; walleyes) and in a laboratory-based miniature egg...
Small-Scale Vertical Distribution of Bacterial Biomass and Diversity in Biological Soil Crusts from Arid Lands in the Colorado Plateau
F. Garcia-Pichel, S. L. Johnson, D. Youngkin, J. Belnap
2003, Microbial Ecology (46) 312-321
We characterized, at millimeter resolution, bacterial biomass, diversity, and vertical stratification of biological soil crusts in arid lands from the Colorado Plateau. Microscopic counts, extractable DNA, and plate counts of viable aerobic copiotrophs (VAC) revealed that the top centimeter of crusted soils contained atypically large bacterial populations, tenfold larger than...
Mass tree mortality leads to mangrove peat collapse at Bay Islands, Honduras after Hurricane Mitch
Donald R. Cahoon, P. Hensel, J. Rybczyk, K.L. McKee, C.E. Proffitt, B.C. Perez
2003, Journal of Ecology (91) 1093-1105
We measured sediment elevation and accretion dynamics in mangrove forests on the islands of Guanaja and Roatan, Honduras, impacted by Hurricane Mitch in 1998 to determine if collapse of underlying peat was occurring as a result of mass tree mortality. Little is known about the balance between production and decomposition...
Tidal truncation and barotropic convergence in a channel network tidally driven from opposing entrances
J.C. Warner, D. Schoellhamer, G. Schladow
2003, Estuarine, Coastal and Shelf Science (56) 629-639
Residual circulation patterns in a channel network that is tidally driven from entrances on opposite sides are controlled by the temporal phasing and spatial asymmetry of the two forcing tides. The Napa/Sonoma Marsh Complex in San Francisco Bay, CA, is such a system. A sill on the west entrance to...
New Publications of the U.S. Geological Survey, April-June 2003
Water Resources Division, U.S. Geological Survey
2003, Report
A list of USGS publications and articles by U.S. Geological Survey personnel in non-U.S. Geological Survey journals and books that were published in January to March of the year 2003....
A survey of estuarine submerged aquatic vegetation in the northern Gulf coast
J. Carter
2003, National Wetlands Newsletter (25) 9-10, 26
The status of submerged aquatic vegetation along the northern Gulf of Mexico is of concern because of its role in the ecology and economy of the coast. Recent studies by U.S. Geological Survey scientists help assess the factors that contribute to SAV distribution and health....
Relating geomorphic change and grazing to avian communities in riparian forests
M. L. Scott, S. K. Skagen, M.F. Merligliano
2003, Conservation Biology (17) 284-296
Avian conservation in riparian or bottomland forests requires an understanding of the physical and biotic factors that sustain the structural complexity of riparian vegetation. Riparian forests of western North America are dependent upon flow-related geomorphic processes necessary for establishment of new cottonwood and willow patches. In June 1995, we examined...
Effects of ultraviolet radiation on toad early life stages
E. E. Little, R.D. Calfee, D. L. Fabacher, C. Carey, V. S. Blazer, E.M. Middleton
2003, Environmental Science and Pollution Research (10) 167-172
BackgroundExposure to harmful levels of ultraviolet-B radiation (UVB), a component of solar radiation, has been suggested as a potential cause of amphibian declines.MethodsWe measured solar radiation (UVB, ultraviolet-A, and visible) wavebands in breeding ponds of Bufo boreas (boreal toad, a montane species that has undergone severe population declines)...
A conservation plan for native fishes of the Lower Colorado River
W.L. Minckley, P.C. Marsh, J.E. Deacon, T.E. Dowling, P.W. Hedrick, W.J. Matthews, G. Mueller
2003, BioScience (53) 219-234
The native fish fauna of the lower Colorado River, in the western United States, includes four “big-river” fishes that are federally listed as endangered. Existing recovery implementation plans are inadequate for these critically imperiled species. We describe a realistic, proactive management program founded on demographic and genetic principles and crafted...
Fluorescence excitation-emission matrix regional integration to quantify spectra for dissolved organic matter
W. Chen, P. Westerhoff, J.A. Leenheer, K. Booksh
2003, Environmental Science & Technology (37) 5701-5710
Excitation−emission matrix (EEM) fluorescence spectroscopy has been widely used to characterize dissolved organic matter (DOM) in water and soil. However, interpreting the >10,000 wavelength-dependent fluorescence intensity data points represented in EEMs has posed a significant challenge. Fluorescence regional integration, a quantitative...
Deformation and the timing of gas generation and migration in the eastern Brooks Range foothills, Arctic National Wildlife Refuge, Alaska
T. M. Parris, R.C. Burruss, P. B. O’Sullivan
2003, American Association of Petroleum Geologists Bulletin (87) 1823-1846
Along the southeast border of the 1002 Assessment Area in the Arctic National Wildlife Refuge, Alaska, an explicit link between gas generation and deformation in the Brooks Range fold and thrust belt is provided through petrographic, fluid inclusion, and stable isotope analyses of fracture cements integrated with zircon fission-track...
Isolation and characterization of microsatellite loci in Greater Sage-Grouse (Centlocerus urophasianus)
S.E. Taylor, S.J. Oyler-McCance, T.W. Quinn
2003, Molecular Ecology Notes (3) 262-264
Primers for five polymorphic microsatellite loci were developed for Greater Sage-Grouse (Centrocercus urophasianus) using an enrichment/detection protocol. The high level of polymorphism (nine to 33 alleles) suggests that these loci will be applicable for investigating mating systems and paternity analysis as well as population genetics. Cross-species amplification was successful for...
Offset vertical radar profiling
A. Witten, J. Lane
2003, Leading Edge (Tulsa, OK) (22) 1070-1076
Diffraction tomography imaging was applied to VRP data acquired by vertically moving a receiving antenna in a number of wells. This procedure simulated a vertical downhole receiver array. Similarly, a transmitting antenna was sequentially moved along a series of radial lines extending outward from the receiver wells. This provided a...
Monitoring the shorebirds of North America: Towards a unified approach
S. K. Skagen, J. Bart, B. Andres, S. Brown, G. Donaldson, B. Harrington, V. Johnston, S.L. Jones, R. I. G. Morrison
2003, Wader Study Group Bulletin (100) 102-104
The Program for Regional and International Shorebird Monitoring (PRISM) has recently developed a single blueprint for monitoring shorebirds in Canada and the United States in response to needs identified by recent shorebird conservation plans. The goals of PRISM are to: (1) estimate the size of breeding populations of 74 shorebird...
