Risk of Myxobolus cerebralis infection to rainbow trout in the Madison River, Montana, USA
R.C. Krueger, B.L. Kerans, E.R. Vincent, C. Rasmussen
2006, Ecological Applications (16) 770-783
Myxobolus cerebralis, the parasite that causes salmonid whirling disease, has had detrimental effects on several salmonid populations in the Intermountain West, including the rainbow trout in the Madison River, Montana, USA. The goal of this study was to examine relationships among characteristics of the environment, Tubifex tubifex (the alternate host)...
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...
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...
An evaluation of a reagentless method for the determination of total mercury in aquatic life
Sekeenia Haynes, Richard D. Gragg, Elijah Johnson, Larry Robinson, Carl E. Orazio
2006, Water, Air, & Soil Pollution (172) 359-374
Multiple treatment (i.e., drying, chemical digestion, and oxidation) steps are often required during preparation of biological matrices for quantitative analysis of mercury; these multiple steps could potentially lead to systematic errors and poor recovery of the analyte. In this study, the Direct Mercury Analyzer (Milestone Inc., Monroe, CT) was utilized...
Landslides triggered by the 2004 Niigata Ken Chuetsu, Japan, earthquake
D.S. Kieffer, R. Jibson, E.M. Rathje, K. Kelson
2006, Earthquake Spectra (22)
The Niigata Ken Chuetsu earthquake triggered a vast number of lanslides in the epicentral region. Landslide concentrations were among the highest ever measured after an earthquake, and most of the triggered landslides were relatively shallow failures parallel to the steep slope faces. The dense concentration of landslides can be attributed...
Planning and implementation of a seismic monitoring system for the bill emerson memorial bridge in cape Girardeau, MO
B.A. Hartnagel, J. O'Connor, W.-H. Yen, P. Clogston, M. Çelebi
2006, Conference Paper, Proceedings of the Structures Congress and Exposition
[No abstract available]...
North American prairie wetlands are important nonforested land-based carbon storage sites
N.H. Euliss Jr., R.A. Gleason, A. Olness, R.L. McDougal, H.R. Murkin, R.D. Robarts, R.A. Bourbonniere, B.G. Warner
2006, Science of the Total Environment (361) 179-188
We evaluated the potential of prairie wetlands in North America as carbon sinks. Agricultural conversion has resulted in the average loss of 10.1 Mg ha- 1 of soil organic carbon on over 16 million ha of wetlands in this region. Wetland restoration has potential to sequester 378 Tg of organic...
Relation of fish communities to environmental conditions in urban streams of the Wasatch Front, Utah
E.M. Giddings, L. R. Brown, T.M. Short, M. R. Meador
2006, Western North American Naturalist (66) 155-168
Twenty-eight sites along the Wasatch Front, north central Utah, representing the range ot urban land use intensity for wadeable streams of the area, were sampled in September 2000. Fish communities were assessed by single-pass electrofishing, and physical habitat and water-quality characteristics were measured. On average, nonnative species comprised 54% of...
Puhimau thermal area: a window into the upper east rift zone of Kilauea Volcano, Hawaii?
K.A. McGee, A. J. Sutton, T. Elias, M.P. Doukas, T.M. Gerlach
2006, Pure and Applied Geophysics (163) 837-851
We report the results of two soil CO2 efflux surveys by the closed chamber circulation method at the Puhimau thermal area in the upper East Rift Zone (ERZ) of Kilauea volcano, Hawaii. The surveys were undertaken in 1996 and 1998 to constrain how much CO2 might be reaching the ERZ...
When landscaping goes bad: The incipient invasion of Mahonia bealei in the southeastern United States
Craig R. Allen, A.S. Garmestani, J.A. LaBram, A.E. Peck, L.B. Prevost
2006, Biological Invasions (8) 169-176
Woodlots are forest islands embedded within an urban matrix, and often represent the only natural areas remaining in suburban areas. Woodlots represent critical conservation areas for native plants, and are important habitat for wildlife in urban areas. Invasion by non-indigenous (NIS) plants can alter ecological structure and function, and may...
Applicability of the flood-pulse concept in a temperate floodplain river ecosystem: Thermal and temporal components
H.L. Schramm Jr., M.A. Eggleton
2006, River Research and Applications (22) 543-553
Annual growth increments were calculated for blue catfish (Ictalurus furcatus) and flathead catfish (Pylodictis olivaris) from the lower Mississippi River (LMR) to assess hypothesized relationships between fish growth and floodplain inundation as predicted by the Flood-Pulse Concept. Variation in catfish growth increment was high for all age classes of both...
State summaries: Ohio
M.E. Wolfe
2006, Mining Engineering (58) 109-112
In 2005, the value of coal and industrial minerals sold in Ohio amounted to $1.5 billion, an increase of 7% from 2004. Coal production for the year increased 4.7% from 2004, totalling 22.3 Mt. Aggregate production totalled 114 Mt, a 4% decrease from 2004. In 2005, the state's salt sales...
Analysis of environmental variation in a Great Plains reservoir using principal components analysis and geographic information systems
J.M. Long, W.L. Fisher
2006, Lake and Reservoir Management (22) 132-140
We present a method for spatial interpretation of environmental variation in a reservoir that integrates principal components analysis (PCA) of environmental data with geographic information systems (GIS). To illustrate our method, we used data from a Great Plains reservoir (Skiatook Lake, Oklahoma) with longitudinal variation in physicochemical conditions. We measured...
A Lower Carboniferous two-stage extensional basin along the Avalon-Meguma terrane boundary: Evidence from southeastern Isle Madame, Nova Scotia
Eric R. Force, S. M. Barr
2006, Atlantic Geology (42) 53-68
Anomalously thick and coarse clastic sedimentary successions, including over 5000 m of conglomerate, are exposed on Isle Madame off the southern coast of Cape Breton island. Two steeply to moderately dipping stratigraphic packages are recognized: one involving Horton and lower Windsor groups (Tournasian–Visean); the other involving upper Windsor and Mabou...
Stable isotope compositions of serpentinite seamounts in the Mariana forearc: Serpentinization processes, fluid sources and sulfur metasomatism
J.C. Alt, Wayne C. Shanks III
2006, Earth and Planetary Science Letters (242) 272-285
The Mariana and Izu-Bonin arcs in the western Pacific are characterized by serpentinite seamounts in the forearc that provide unique windows into the mantle wedge. We present stable isotope (O, H, S, and C) data for serpentinites from Conical seamount in the Mariana forearc and S isotope data for Torishima...
Frictional strength heterogeneity and surface heat flow: Implications for the strength of the creeping San Andreas fault
M. A. d'Alessio, C.F. Williams, R. Burgmann
2006, Journal of Geophysical Research B: Solid Earth (111)
Heat flow measurements along much of the San Andreas fault (SAF) constrain the apparent coefficient of friction (??app) of the fault to <0.2, much lower than laboratory-derived friction values for most geologic materials. However, heat flow data are sparse near the creeping section of the SAF, a frictional "asperity" where...
Wildlife tuberculosis in South African conservation areas: Implications and challenges
A.L. Michel, Roy G. Bengis, D.F. Keet, M. Hofmeyr, L. M. De Klerk, P.C. Cross, Anna E. Jolles, D. Cooper, I.J. Whyte, P. Buss, J. Godfroid
2006, Veterinary Microbiology (112) 91-100
Tuberculosis, caused by Mycobacterium bovis, was first diagnosed in African buffalo in South Africa's Kruger National Park in 1990. Over the past 15 years the disease has spread northwards leaving only the most northern buffalo herds unaffected. Evidence suggests that 10 other small and large mammalian species, including large predators,...
Tests of landscape influence: Nest predation and brood parasitism in fragmented ecosystems
J.J. Tewksbury, L. Garner, S. Garner, J.D. Lloyd, V. Saab, T. E. Martin
2006, Ecology (87) 759-768
The effects of landscape fragmentation on nest predation and brood parasitism, the two primary causes of avian reproductive failure, have been difficult to generalize across landscapes, yet few studies have clearly considered the context and spatial scale of fragmentation. Working in two river systems fragmented by agricultural and rural-housing development,...
Variation in predation pressure as a mechanism underlying differences in numerical abundance between populations of the poeciliid fish Heterandria formosa
J.M.L. Richardson, M. S. Gunzburger, J. Travis
2006, Oecologia (147) 596-605
We explored whether a variation in predation and habitat complexity between conspecific populations can drive qualitatively different numerical dynamics in those populations. We considered two disjunct populations of the least killifish, Heterandria formosa, that exhibit long-term differences in density, top fish predator species, and dominant aquatic vegetation. Monthly censuses over...
Lithospheric controls on the formation of provinces hosting giant orogenic gold deposits
F.P. Bierlein, D.I. Groves, R.J. Goldfarb, B. Dube
2006, Mineralium Deposita (40) 874-886
Ages of giant gold systems (>500 t gold) cluster within well-defined periods of lithospheric growth at continental margins, and it is the orogen-scale processes during these mainly Late Archaean, Palaeoproterozoic and Phanerozoic times that ultimately determine gold endowment of a province in an orogen. A critical factor for giant orogenic...
Water and solute mass balance of five small, relatively undisturbed watersheds in the U.S.
N.E. Peters, J. B. Shanley, Brent T. Aulenbach, R. M. Webb, K. Campbell, R. Hunt, M. C. Larsen, R.F. Stallard, J. Troester, J.F. Walker
2006, Science of the Total Environment (358) 221-242
Geochemical mass balances were computed for water years 1992-1997 (October 1991 through September 1997) for the five watersheds of the U.S. Geological Survey Water, Energy, and Biogeochemical Budgets (WEBB) Program to determine the primary regional controls on yields of the major dissolved inorganic solutes. The sites, which vary markedly with...
Shelf and open-ocean calcareous phytoplankton assemblages across the Paleocene-Eocene thermal maximum: Implications for global productivity gradients
S.J. Gibbs, T.J. Bralower, Paul R. Bown, J.C. Zachos, L.M. Bybell
2006, Geology (34) 233-236
Abrupt global warming and profound perturbation of the carbon cycle during the Paleocene-Eocene Thermal Maximum (PETM, ca. 55 Ma) have been linked to a massive release of carbon into the ocean-atmosphere system. Increased phytoplankton productivity has been invoked to cause subsequent CO2 drawdown, cooling, and environmental recovery. However, interpretations of...
Influence of habitat heterogeneity on distribution, occupancy patterns, and productivity of breeding peregrine falcons in central West Greenland
C.S. Wightman, M.R. Fuller
2006, Condor (108) 270-281
We used occupancy and productivity data collected at 67 cliffs used for nesting from 1972 to 1999 to assess patterns of distribution and nest-site selection in an increasing population of Peregrine Falcons (Falco peregrinus) in central West Greenland. Peregrine Falcons breeding at traditionally occupied cliffs used for nesting had significantly...
State summaries: Utah
R.L. Bon, K.A. Krahulec
2006, Mining Engineering (58) 116-122
The value of Utah's mineral production in 2005 was estimated to be a record $3.58 billion. This was $1.26 billion higher than the revised value of $2.32 billion for 2004. All major industry segments gained in value in 2005. In the value of nonfuel mineral production, Utah ranked fourth. The...
Trade-offs across space, time, and ecosystem services
J.P. Rodriguez, T.D. Beard Jr., E.M. Bennett, Graeme S. Cumming, S.J. Cork, J. Agard, A. P. Dobson, G.D. Peterson
2006, Ecology and Society (11)
Ecosystem service (ES) trade-offs arise from management choices made by humans, which can change the type, magnitude, and relative mix of services provided by ecosystems. Trade-offs occur when the provision of one ES is reduced as a consequence of increased use of another ES. In some cases, a trade-off may...
