Sequence motifs and prokaryotic expression of the reptilian paramyxovirus fusion protein
J. Franke, W.N. Batts, W. Ahne, Gael Kurath, J. R. Winton
2006, Archives of Virology (151) 449-464
Fourteen reptilian paramyxovirus isolates were chosen to represent the known extent of genetic diversity among this novel group of viruses. Selected regions of the fusion (F) gene were sequenced, analyzed and compared. The F gene of all isolates contained conserved motifs homologous to those described for other members of the...
Studies on stoneflies (Plecoptera) of Colorado with eastern faunal affinities, including a new state record of the midwestern salmonfly, Pteronarcys pictetii hagen (Plecoptera: Pteronarcyidae)
R.E. Zuellig, B.C. Kondratieff, R.W. Hood
2006, Proceedings of the Entomological Society of Washington (108) 335-340
Pteronarcys pictetii Hagen nymphs were collected and reared from the South Platte River at Julesburg in eastern Colorado. Including P. pictetii, eight species are now known from Colorado that exhibit eastern North American affinities, Paracapnia angulata Hanson, Taeniopteryx burksi Ricker and Ross, Taeniopteryx parvula Banks, Acroneuria abnormis (Newman), Perlesta decipiens...
Bobcat attack on a cottontail rabbit
E. Biggins, D.M. Biggins
2006, Southwestern Naturalist (51) 119-122
We observed an attack by a bobcat (Lynx rufus) on a cottontail rabbit (Sylvilagus) that involved stealthy approach by the cat for >1 h, followed by a 12.3-s chase covering 116.0 m for the cat and 128.4 m for the rabbit. During the chase, the route of the cat from...
Spatial and temporal dynamics of microcystin in a Missouri reservoir
J.L. Graham, J.R. Jones, S.B. Jones, T.E. Clevenger
2006, Lake and Reservoir Management (22) 59-68
Environmental factors associated with spatiotemporal variation of microcystin (MC) in Mozingo Lake, a Missouri reservoir, were studied during summer 2001, and annual MC trends were characterized from May 2001-May 2002. MC increased during summer, ranging from 20 to 1220 ng/L. Seasonal patterns in MC corresponded with chlorophyll>35 ??m (Net Chl)...
Vascular flora of Izembek National Wildlife Refuge, westernmost Alaska Peninsula, Alaska
Stephen S. Talbot, Sandra Looman Talbot, Wilfred B. Schofield
2006, Rhodora (108) 249-293
The vascular flora of Izembek National Wildlife Refuge (NWR), where few previous collections had been reported, was collected and recorded at sites selected to represent the totality of environmental variation. A total of 349 species (339 native and 10 introduced) was identified. To provide a comparative phytogeographic framework, we analyzed...
Simulation of solute transport across low-permeability barrier walls
P. T. Harte, Leonard F. Konikow, G.Z. Hornberger
2006, Journal of Contaminant Hydrology (85) 247-270
Low-permeability, non-reactive barrier walls are often used to contain contaminants in an aquifer. Rates of solute transport through such barriers are typically many orders of magnitude slower than rates through the aquifer. Nevertheless, the success of remedial actions may be sensitive to these low rates of transport. Two numerical simulation...
Geophysical monitoring of a field-scale biostimulation pilot project
J.W. Lane Jr., F. D. Day-Lewis, C.C. Casey
2006, Ground Water (44) 430-443
The USGS conducted a geophysical investigation in support of a U.S. Naval Facilities Engineering Command, Southern Division field‐scale biostimulation pilot project at Anoka County Riverfront Park (ACP), downgradient of the Naval Industrial Reserve Ordnance Plant, Fridley, Minnesota. The goal of the pilot project is to evaluate...
Aquifer composition and the tendency toward scale-deposit formation during reverse osmosis desalination - Examples from saline ground water in New Mexico, USA
G. F. Huff
2006, Desalination (190) 235-242
Desalination is expected to make a substantial contribution to water supply in the United States by 2020. Currently, reverse osmosis is one of the most cost effective and widely used desalination technologies. The tendency to form scale deposits during reverse osmosis is an important factor in determining the suitability of...
Regional patterns in the isotopic composition of natural and anthropogenic nitrate in groundwater, High Plains, U.S.A.
P.B. McMahon, J.K. Böhlke
2006, Environmental Science & Technology (40) 2965-2970
Mobilization of natural nitrate (NO3-) deposits in the subsoil by irrigation water in arid and semiarid regions has the potential to produce large groundwater NO3- concentrations. The use of isotopes to distinguish between natural and anthropogenic NO3- sources in these settings could be complicated by the wide range in δ15N...
Spatial organization of a reintroduced population of bobcats
Duane R. Diefenbach, L.A. Hansen, R.J. Warren, M.J. Conroy
2006, Journal of Mammalogy (87) 394-401
The spacing patterns and mating systems of solitary carnivores have important implications for social behavior and for the survival and reproduction of individuals. Over 2 years, we reintroduced 32 (15 males and 17 females) bobcats (Lynx rufus) to a barrier island off the coast of Georgia and studied patterns of...
The effect of multiple stressors on salt marsh end-of-season biomass
J.M. Visser, C.E. Sasser, B.S. Cade
2006, Estuaries and Coasts (29) 328-339
It is becoming more apparent that commonly used statistical methods (e.g., analysis of variance and regression) are not the best methods for estimating limiting relationships or stressor effects. A major challenge of estimating the effects associated with a measured subset of limiting factors is to account for the effects of...
Useful ion yields for Cameca IMS 3f and 6f SIMS: Limits on quantitative analysis
R.L. Hervig, F.K. Mazdab, Pat Williams, Y. Guan, G.R. Huss, L.A. Leshin
2006, Chemical Geology (227) 83-99
The useful yields (ions detected/atom sputtered) of major and trace elements in NIST 610 glass were measured by secondary ion mass spectrometry (SIMS) using Cameca IMS 3f and 6f instruments. Useful yields of positive ions at maximum transmission range from 10-4 to 0.2 and are negatively correlated with ionization potential....
Mineralogical anomalies and their influences on elemental geochemistry of the main workable coal beds from the Dafang Coalfield, Guizhou, China
S. Dai, D. Ren, D. Li, C. L. Chou, K. Luo
2006, Acta Geologica Sinica (80) 589-597
Mineralogy and geochemistry of the No. 11 Coal bed were investigated by using inductively-coupled plasma mass spectrometry (ICP-MS), X-ray fluorescence (XRF), scanning electron microscopy equipped with energy-dispersive X-ray (SEM-EDX), sequential chemical extraction procedure (SCEP), and optical microscopy. The results show that the No. 11 Coal bed has very high contents...
Multiphase flow in geometrically simple fracture intersections
H. Basagaoglu, P. Meakin, C.T. Green, M. Mathew
Boghosian B.M., editor(s)
2006, Physica A: Statistical Mechanics and its Applications (362) 17-22
A two-dimensional lattice Boltzmann (LB) model with fluid-fluid and solid-fluid interaction potentials was used to study gravity-driven flow in geometrically simple fracture intersections. Simulated scenarios included fluid dripping from a fracture aperture, two-phase flow through intersecting fractures and thin-film flow on smooth and undulating solid surfaces. Qualitative comparisons with recently...
Multiple hypotheses testing of fish incidence patterns in an urbanized ecosystem
C.J. Chizinski, C.L. Higgins, C.E. Shavlik, K.L. Pope
2006, Aquatic Ecology (40) 97-109
Ecological and evolutionary theories have focused traditionally on natural processes with little attempt to incorporate anthropogenic influences despite the fact that humans are such an integral part of virtually all ecosystems. A series of alternate models that incorporated anthropogenic factors and traditional ecological mechanisms of invasion to account for fish...
Using diatom assemblages to assess urban stream conditions
C. E. Walker, Y. Pan
2006, Hydrobiologia (561) 179-189
We characterized changes in diatom assemblages along an urban-to-rural gradient to assess impacts of urbanization on stream conditions. Diatoms, water chemistry, and physical variables of riffles at 19 urban and 28 rural stream sites were sampled and assessed during the summer base flow period. Near stream land use was characterized...
Simple equations guide high-frequency surface-wave investigation techniques
J. Xia, Y. Xu, C. Chen, R.D. Kaufmann, Y. Luo
2006, Soil Dynamics and Earthquake Engineering (26) 395-403
We discuss five useful equations related to high-frequency surface-wave techniques and their implications in practice. These equations are theoretical results from published literature regarding source selection, data-acquisition parameters, resolution of a dispersion curve image in the frequency-velocity domain, and the cut-off frequency of high modes. The first equation suggests Rayleigh...
Expressed MHC class II genes in sea otters (Enhydra lutris) from geographically disparate populations
Lizabeth Bowen, B.M. Aldridge, A. Keith Miles, J.L. Stott
2006, Tissue Antigens (67) 402-408
The major histocompatibility complex (MHC) is central to maintaining the immunologic vigor of individuals and populations. Classical MHC class II genes were targeted for partial sequencing in sea otters (Enhydra lutris) from populations in California, Washington, and Alaska. Sequences derived from sea otter peripheral blood leukocyte mRNAs were similar to...
Magnesium content within the skeletal architecture of the coral Montastraea faveolata: locations of brucite precipitation and implications to fine-scale data fluctuations
N.A. Buster, C. W. Holmes
2006, Coral Reefs (25) 243-253
Small portions of coral cores were analyzed using a high-resolution laser ablation inductively coupled plasma mass spectrometer (LA ICP-MS) to determine the geochemical signatures within and among specific skeletal structures in the large framework coral, Montastraea faveolata. Vertical transects were sampled along three parallel skeletal structures: endothecal (septal flank), corallite...
Potential soil cleanup objectives for nitrogen-containing fertilizers at agrichemical facilities
William R. Roy, I.G. Krapac
2006, Soil and Sediment Contamination (15) 241-251
Accidental and incidental chemical releases of nitrogen-containing fertilizers occur at retail agrichemical facilities. Because contaminated soil may threaten groundwater quality, the facility may require some type of site remediation. The purpose of this study was to apply the concepts of the Soil Screening Levels of the U.S. Environmental Protection Agency...
Age constraints for Paleoproterozoic glaciation in the Lake Superior Region: Detrital zircon and hydrothermal xenotime ages for the Chocolay Group, Marquette Range Supergroup
D.A. Vallini, W.F. Cannon, K. J. Schulz
2006, Canadian Journal of Earth Sciences (43) 571-591
A geochronological study of the Chocolay Group at the base of the Paleoproterozoic Marquette Range Supergroup in Michigan, Lake Superior Region, is attempted for the first time, Age data from detrital zircon grains and hydrothermal xenotime from the basal glaciogenic formation, the Enchantment Lake Formation, and the stratigraphically higher Sturgeon...
The hydrology of northern peatlands as affected by biogenic gas: Current developments and research needs
D.O. Rosenberry, P.H. Glaser, D. I. Siegel
2006, Hydrological Processes (20) 3601-3610
Recent research indicates that accumulation and release of biogenic gas from northern peatlands may substantially affect future climate. Sudden release of free-phase gas bubbles into the atmosphere may preclude the conversion of methane to carbon dioxide in the uppermost oxic layer of the peat, resulting in greater contribution of methane...
Quantitative methods to direct exploration based on hydrogeologic information
A.J. Graettinger, J. Lee, H. W. Reeves, D. Dethan
2006, Journal of Hydroinformatics (8) 77-90
Quantitatively Directed Exploration (QDE) approaches based on information such as model sensitivity, input data covariance and model output covariance are presented. Seven approaches for directing exploration are developed, applied, and evaluated on a synthetic hydrogeologic site. The QDE approaches evaluate input information uncertainty, subsurface model sensitivity and, most importantly, output...
Deformation driven by subduction and microplate collision: Geodynamics of Cook Inlet basin, Alaska
R.L. Bruhn, Peter J. Haeussler
2006, Geological Society of America Bulletin (118) 289-303
Late Neogene and younger deformation in Cook Inlet basin is caused by dextral transpression in the plate margin of south-central Alaska. Collision and subduction of the Yakutat microplate at the northeastern end of the Aleutian subduction zone is driving the accretionary complex of the Chugach and Kenai Mountains toward the...
Spring migration of Northern Pintails from Texas and New Mexico, USA
D.A. Haukos, M. R. Miller, D.L. Orthmeyer, John Y. Takekawa, J. P. Fleskes, Michael L. Casazza, W.M. Perry, J.A. Moon
2006, Waterbirds (29) 127-136
We used satellite transmitters (platform transmitting terminals or PTTs) during 2002 and 2003 to document spring migration timing, routes, stopover sites, and nesting sites of adult female Northern Pintails (Anas acuta) from major wintering areas of the Gulf Coast (N = 20) and Playa Lakes Regions (PLR, N = 20)...
