Type A influenza virus surveillance in free-flying, nonmigratory ducks residing on the eastern shore of Maryland
R.D. Slemons, W. R. Hansen, K. A. Converse, D.A. Senne
2003, Avian Diseases (47) 1107-1110
Virus surveillance in free-flying, nonmigratory ducks living on the eastern shore of Maryland indicated that influenza A viruses were introduced into the area or that the prevalence of endemic infections increased between July 15 and August 27, 1998. Cloacal swabs collected between May 28 and July 15, 1998, were negative...
Evaluation of airborne topographic lidar for quantifying beach changes
A. H. Sallenger Jr., W.B. Krabill, R.N. Swift, J. Brock, J. List, M. Hansen, R.A. Holman, S. Manizade, J. Sontag, A. Meredith, K. Morgan, J.K. Yunkel, E.B. Frederick, H. Stockdon
2003, Journal of Coastal Research (19) 125-133
A scanning airborne topographic lidar was evaluated for its ability to quantify beach topography and changes during the Sandy Duck experiment in 1997 along the North Carolina coast. Elevation estimates, acquired with NASA's Airborne Topographic Mapper (ATM), were compared to elevations measured with three types of ground-based measurements - 1)...
Bacterial transport experiments in fractured crystalline bedrock
M.W. Becker, D.W. Metge, S.A. Collins, A.M. Shapiro, R.W. Harvey
2003, Ground Water (41) 682-689
The efficiency of contaminant biodegradation in ground water depends, in part, on the transport properties of the degrading bacteria. Few data exist concerning the transport of bacteria in saturated bedrock, particularly at the field scale. Bacteria and microsphere tracer experiments were conducted in a fractured crystalline bedrock under forced-gradient conditions...
Collecting, shipping, storing, and imaging snow crystals and ice grains with low-temperature scanning electron microscopy
E.F. Erbe, A. Rango, J. Foster, E.G. Josberger, C. Pooley, W.P. Wergin
2003, Microscopy Research and Technique (62) 19-32
Methods to collect, transport, and store samples of snow and ice have been developed that enable detailed observations of these samples with a technique known as low-temperature scanning electron microscopy (LTSEM). This technique increases the resolution and ease with which samples of snow and ice can be observed, studied, and...
Avian cholera in Southern Great Petrel (Macronectes giganteus) from Antarctica
G. A. Leotta, M. Rivas, I. Chinen, G. B. Vigo, F.A. Moredo, N. Coria, M. J. Wolcott
2003, Journal of Wildlife Diseases (39) 732-735
A southern giant petrel (Macronectes giganteus) was found dead at Potter Peninsula, King George Island, South Shetland, Antarctica. The adult male was discovered approximately 48 hr after death. Macroscopic and microscopic lesions were compatible with avian cholera and the bacterium Pasteurella multocida subsp. gallicida, serotype A1 was isolated from lung, heart, liver, pericardial...
Groundwater flow, heat transport, and water table position within volcanic edifices: Implications for volcanic processes in the Cascade Range
S. Hurwitz, K.L. Kipp, S. E. Ingebritsen, M.E. Reid
2003, Journal of Geophysical Research B: Solid Earth (108)
The position of the water table within a volcanic edifice has significant implications for volcano hazards, geothermal energy, and epithermal mineralization. We have modified the HYDROTHERM numerical simulator to allow for a free-surface (water table) upper boundary condition and a wide range of recharge rates, heat input rates, and thermodynamic...
Review of techniques to prevent introduction of zebra mussels (Dreissena polymorpha) during native mussel (Unionoidea) conservation activities
W.G. Cope, T.J. Newton, C.M. Gatenby
2003, Journal of Shellfish Research (22) 177-184
Because of the declines in diversity and abundance of native freshwater mussels (superfamily Unionoidea), and the potential decimation of populations of native mussels resulting from the rapid spread of the exotic zebra mussel Dreissena polymorpha, management options to eliminate or reduce the threat of the zebra mussel are needed. Relocating...
An adenovirus associated with intestinal impaction and mortality of male common eiders (Somateria mollissima) in the Baltic Sea
Tuula E. Hollmén, J. Christian Franson, Mikaei Kilpi, Douglas E. Docherty, V. Myllys
2003, Journal of Wildlife Diseases (39) 114-120
We examined 10 common eider (Somateria mollissima) males found dead in 1998 during a die-off in the northern Baltic Sea off the southwestern coast of Finland. We diagnosed impaction of the posterior small intestine with mucosal necrosis as the cause of death in all 10 and isolated adenoviruses from cloacal...
Chronic wasting disease in free-ranging Wisconsin white-tailed deer
D.O. Joly, C. A. Ribic, J.A. Langenberg, K. Beheler, C.A. Batha, B.J. Dhuey, R.E. Rolley, G. Bartelt, T.R. VanDeelen, M.D. Samuel
2003, Emerging Infectious Diseases (9) 599-601
Three White-tailed Deer shot within 5 km during the 2001 hunting season in Wisconsin tested positive for chronic wasting disease, a prion disease of cervids. Subsequent sampling within 18 km showed a 3% prevalence (n=476). This discovery represents an important range extension for chronic wasting disease into the eastern United...
Clams as CO2 generators: The Potamocorbula amurensis example in San Francisco Bay
Laurent Chauvaud, Janet K. Thompson, James E. Cloern, Gerard Thouzeau
2003, Limnology and Oceanography (48) 2086-2092
Respiration and calcium carbonate production by the invasive Asian clam, Potamocorbula amurensis, were calculated to assess their importance as CO2 sources in northern San Francisco Bay. Production, calculated using monthly population density and size structure measured at three sites over 7 yr and a shell length/CaCO3 conversion factor, averaged 221(±184)g...
Phylogeny and genetic diversity of Bridgeoporus nobilissimus inferred using mitochondrial and nuclear rDNA sequences
G.L. Redberg, D.S. Hibbett, J.F. Ammirati Jr., R. J. Rodriguez
2003, Mycologia (95) 836-845
The genetic diversity and phylogeny of Bridgeoporus nobilissimus have been analyzed. DNA was extracted from spores collected from individual fruiting bodies representing six geographically distinct populations in Oregon and Washington. Spore samples collected contained low levels of bacteria, yeast and a filamentous fungal species. Using taxon-specific PCR primers, it was...
The morphology and migration of transverse bars off the west-central Florida coast
G. Gelfenbaum, G. R. Brooks
2003, Marine Geology (200) 273-289
A series of migrating shore-normal sandbars with wavelengths of 75-120 m and heights up to 2 m have been identified off the northern tip of Anna Maria Island, a barrier island on the west-central Florida coast. Similar features have been described elsewhere since the 1930s and termed 'transverse bars'. The...
Temporal species richness-biomass relationships along successional gradients
Q. Guo
2003, Journal of Vegetation Science (14) 121-128
Diversity-biomass relationships are frequently reported to be hump-shaped over space at a given time. However, it is not yet clear how diversity and biomass change simultaneously and how they are related to each other over time (e.g. in succession) at one locality. This study develops a temporal model based on...
Use of selection indices to model the functional response of predators
D.O. Joly, B.R. Patterson
2003, Ecology (84) 1635-1639
The functional response of a predator to changing prey density is an important determinant of stability of predatora??prey systems. We show how Manly's selection indices can be used to distinguish between hyperbolic and sigmoidal models of a predator functional response to primary prey density in the presence of alternative prey....
Catastrophic rock-ice collapse and rapid shove of the Kukurtli glacier (Elbrus Volcano, Northern Caucasus) in first and second centuries
O.A. Bogatikov, I.V. Melekestsev, D.K. Miller, A.G. Gurbanov, P. W. Lipman, J.B. Lovenstern, L.D. Sulerzhitskii, A.V. Shevchenko
2003, Doklady Earth Sciences (391) 627-630
No abstract available....
Sediment dynamics drive contaminant dynamics
David H. Schoellhamer, Gregory Shellenbarger, Neil K. Ganju, Jay A. Davis, Lester J. McKee
2003, Pulse of the Estuary 2003
Many contaminants of greatest concern in San Francisco Bay, including mercury and PCBs, are primarily associated with sediment particles rather than dissolved in water. Therefore, the movement and fate of sediment determines the movement and fate of many contaminants in the Bay. Because of this close association, the RMP monitors...
Cross-channel variability in benthic habitat
Marc Vayssieres, Heather Peterson
2003, Interagency Ecological Program Newsletter (16) 51-56
Benthic invertebrates play an important role in estuarine food webs and biogeochemical cycling of carbon, nutrients, and contaminants. The generally sedentary benthic invertebrates continuously integrate local water, sediment, and food conditions. This makes them good indicators of the type and quality of aquatic habitat at the location where they are...
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....
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....
First record of Dasycorixa rawsoni (Hemiptera: Corixidae) in the United States
B.A. Hanson, N.H. Euliss Jr., D.M. Mushet, S. W. Chorda III
2003, Entomological News (114) 235-236
Abstract has not been submitted...
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....
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...
Trace elements in lesser scaup (Aythya affinis) from the Mississippi flyway
Christine M. Custer, T. W. Custer, M.J. Anteau, A. D. Afton, D.E. Wooten
2003, Ecotoxicology (12) 47-54
Previous research reported that concentrations of selenium in the livers of 88a??95% of lesser scaup from locations in Lake Erie, Lake St. Clair, and Lake Michigan, USA were either elevated (10a??33 A?g/g dry weight [dw]) or in the potentially harmful range (>33 A?g/g dw). In order to determine the geographic...
Effects of methyl mercury exposure on the growth of juvenile common loons
K.P. Kenow, S. Gutreuter, R. K. Hines, M.W. Meyer, F. Fournier, W. H. Karasov
2003, Ecotoxicology (12) 171-182
We conducted a dose–response laboratory study to quantify the level of mercury exposure associated with negative effects on the development of common loon chicks reared in captivity from hatch to 105 days. A dose regimen was implemented that provided exposure levels that bracketed relevant exposure levels of methyl mercury found...
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...
