Seasonal frost effects on the dynamic behavior of a twenty-story office building
Z. Yang, U. Dutta, F. Xiong, N. Biswas, H. Benz
2008, Cold Regions Science and Technology (51) 76-84
Studies have shown that seasonal frost can significantly affect the seismic behavior of a bridge foundation system in cold regions. However, little information could be found regarding seasonal frost effects on the dynamic behavior of buildings. Based on the analysis of building vibration data recorded by a permanent strong-motion instrumentation...
Buruli ulcer disease prevalence in Benin, West Africa: Associations with land use/cover and the identification of disease clusters
T. Wagner, M.E. Benbow, T.O. Brenden, J. Qi, R. C. Johnson
2008, International Journal of Health Geographics (7)
Background: Buruli ulcer (BU) disease, caused by infection with the environmental mycobacterium M. ulcerans, is an emerging infectious disease in many tropical and sub-tropical countries. Although vectors and modes of transmission remain unknown, it is hypothesized that the transmission of BU disease is associated with human activities in or around...
Winter survival of Eurasian woodcock Scolopax rusticola in central Italy
A. Aradis, M.W. Miller, G. Landucci, P. Ruda, S. Taddei, F. Spina
2008, Wildlife Biology (14) 36-43
The Eurasian woodcock Scolopax rusticola is a popular game bird in much of Europe. However, little is known about its population dynamics. We estimated winter survival of woodcock in a protected area with no hunting in central Italy. We radio-tagged 68 woodcocks with battery-powered radio-transmitters during 2001-2005. Woodcocks were captured...
Concentrations of polycyclic aromatic hydrocarbons and inorganic constituents in ambient surface soils, Chicago, Illinois: 2001-2002
R.T. Kay, T.L. Arnold, W.F. Cannon, D. Graham
2008, Soil and Sediment Contamination (17) 221-236
Samples of ambient surface soils were collected from 56 locations in Chicago, Illinois, using stratified random sampling techniques and analyzed for polycyclic aromatic hydrocarbon (PAH) compounds and inorganic constituents. PAHs appear to be derived primarily from combustion of fossil fuels and may be affected by proximity to industrial operations, but...
Miocene silicic volcanism in southwestern Idaho: Geochronology, geochemistry, and evolution of the central Snake River Plain
B. Bonnichsen, W.P. Leeman, N. Honjo, W. C. McIntosh, M.M. Godchaux
2008, Bulletin of Volcanology (70) 315-342
New 40Ar-39Ar geochronology, bulk rock geochemical data, and physical characteristics for representative stratigraphic sections of rhyolite ignimbrites and lavas from the west-central Snake River Plain (SRP) are combined to develop a coherent stratigraphic framework for Miocene silicic magmatism in this part of the Yellowstone 'hotspot track'. The magmatic record differs...
USGS: Building on leadership in mapping oceans and coasts
M.D. Myers
2008, Sea Technology (49) 30-32
The US Geological Survey (USGS) offers continuously improving technologies for mapping oceans and coasts providing unique opportunity for characterizing the marine environment and to expand the understanding of coastal and ocean processes, resources, and hazards. USGS, which has been designated as a leader for mapping the Exclusive Economic Zone, has...
Crystallaria cincotta, a new species of darter (Teleostei: Percidae) from the Elk River of the Ohio River drainage, West Virginia
S.A. Welsh, R.M. Wood
2008, Zootaxa 62-68
A new species of percid, Crystallaria cincotta, is described from the Cumberland, Elk, Green, and Muskingum river drainages of the Ohio River basin, USA. It differs from populations of Crystallaria asprella of the Gulf Coast, lower Mississippi River, middle Mississippi River, upper Mississippi River, and Wabash River drainages by having...
Plant-herbivore interactions mediated by plant toxicity
Z. Feng, R. Liu, D.L. DeAngelis
2008, Theoretical Population Biology (73) 449-459
We explore the impact of plant toxicity on the dynamics of a plant-herbivore interaction, such as that of a mammalian browser and its plant forage species, by studying a mathematical model that includes a toxin-determined functional response. In this functional response, the traditional Holling Type 2 response is modified to...
Comparisons between consumption estimates from bioenergetics simulations and field measurements for walleyes from Oneida Lake, New York
B.F. Lantry, L. G. Rudstam, J.L. Forney, A.J. VanDeValk, E.L. Mills, D.J. Stewart, J.V. Adams
2008, Transactions of the American Fisheries Society (137) 1406-1421
Daily consumption was estimated from the stomach contents of walleyes Sander vitreus collected weekly from Oneida Lake, New York, during June-October 1975, 1992, 1993, and 1994 for one to four age-groups per year. Field rations were highly variable between weeks, and trends in ration size varied both seasonally and annually....
Using demography and movement behavior to predict range expansion of the southern sea otter.
M. T. Tinker, D.F. Doak, J. A. Estes
2008, Ecological Applications (18) 1781-1794
In addition to forecasting population growth, basic demographic data combined with movement data provide a means for predicting rates of range expansion. Quantitative models of range expansion have rarely been applied to large vertebrates, although such tools could be useful for restoration and management of many threatened but recovering populations....
Pre-hibernation energy reserves in a temperate anuran, Rana chensinensis, along a relatively fine elevational gradient
X. Lu, B. Li, Y. Li, X. Ma, G. M. Fellers
2008, Herpetological Journal (18) 97-102
Temperate anurans have energy substrates in the liver, fat bodies, carcass and gonads; these stores provide support for metabolism and egg production during hibernation, and for breeding activities in spring. This paper compares the energy budget shortly before hibernation among Rana chensinensis populations at elevations of 1400, 1700 and 2000...
Chronic wasting disease in a Wisconsin white-tailed deer farm
D.P. Keane, D.J. Barr, P.N. Bochsler, S.M. Hall, T. Gidlewski, K. I. O’Rourke, T.R. Spraker, M.D. Samuel
2008, Journal of Veterinary Diagnostic Investigation (20) 698-703
In September 2002, chronic wasting disease (CWD), a prion disorder of captive and wild cervids, was diagnosed in a white-tailed deer (Odocoileus virginianus) from a captive farm in Wisconsin. The facility was subsequently quarantined, and in January 2006 the remaining 76 deer were depopulated. Sixty animals (79%) were found to...
Role of gap junctions and protein kinase A during the development of oocyte maturational competence in Ayu (Plecoglossus altivelis)
Y. Yamamoto, G. Yoshizaki, T. Takeuchi, K. Soyano, R. Patino
2008, General and Comparative Endocrinology (155) 789-795
Meiotic resumption in teleost oocytes is induced by a maturation-inducing hormone (MIH). The sensitivity of oocytes to MIH, also known as oocyte maturational competence (OMC), is induced by LH via mechanisms that are not fully understood. A previous study of Ayu (Plecoglossus altivelis) showed the presence of functional heterologous gap...
Role of microbial Fe(III) reduction and solution chemistry in aggregation and settling of suspended particles in the Mississippi River Delta plain, Louisiana, USA
Deb P. Jaisi, Shanshan Ji, Hailiang Dong, Ruth E. Blake, Dennis D. Eberl, Jinwook Kim
2008, Clays and Clay Minerals (56) 416-428
River-dominated delta areas are primary sites of active biogeochemical cycling, with productivity enhanced by terrestrial inputs of nutrients. Particle aggregation in these areas primarily controls the deposition of suspended particles, yet factors that control particle aggregation and resulting sedimentation in these environments are poorly understood. This study was designed to...
Numerical modeling of time-lapse monitoring of CO2 sequestration in a layered basalt reservoir
M. Khatiwada, K. Van Wijk, W.P. Clement, M. Haney
2008, Conference Paper, SEG Technical Program Expanded Abstracts
As part of preparations in plans by The Big Sky Carbon Sequestration Partnership (BSCSP) to inject CO2 in layered basalt, we numerically investigate seismic methods as a noninvasive monitoring technique. Basalt seems to have geochemical advantages as a reservoir for CO2 storage (CO2 mineralizes quite rapidly while exposed to basalt),...
Biodynamic modeling of PCB uptake by Macoma balthica and Corbicula fluminea from sediment amended with activated carbon
Pamela B. McLeod, S. N. Luoma, R.G. Luthy
2008, Environmental Science & Technology (42) 484-490
Activated carbon amendment was assessed in the laboratory as a remediation strategy for freshwater sediment contaminated with polychlorinated biphenyls (PCBs) from the Grasse River (near Massena, NY). Three end points were evaluated: aqueous equilibrium PCB concentration, uptake into semipermeable membrane devices (SPMDs), and 28-day bioaccumulation in the clam Corbicula fluminea....
Application of high-resolution linear Radon transform for Rayleigh-wave dispersive energy imaging and mode separating
Y. Luo, J. Xia, R. D. Miller, J. Liu, Y. Xu, Q. Liu
2008, Conference Paper, SEG Technical Program Expanded Abstracts
Multichannel Analysis of Surface Waves (MASW) analysis is an efficient tool to obtain the vertical shear-wave profile. One of the key steps in the MASW method is to generate an image of dispersive energy in the frequency-velocity domain, so dispersion curves can be determined by picking peaks of dispersion energy....
Aseismic slip and fault-normal strain along the central creeping section of the San Andreas fault
F. Rolandone, R. Burgmann, D.C. Agnew, I.A. Johanson, D.C. Templeton, M. A. d'Alessio, S.J. Titus, C. DeMets, B. Tikoff
2008, Geophysical Research Letters (35)
We use GPS data to measure the aseismic slip along the central San Andreas fault (CSAF) and the deformation across adjacent faults. Comparison of EDM and GPS data sets implies that, except for small-scale transients, the fault motion has been steady over the last 40 years. We add 42 new...
Paleobiogeographic affinities of emsian (late early devonian) gastropods from farewell terrane (west-central Alaska)
J. Fryda, R. B. Blodgett
2008, Special Paper of the Geological Society of America 107-120
The vast majority of Emsian gastropods from Limestone Mountain, Medfra B-4 quadrangle, west-central Alaska (Farewell terrane) belong to species with lecithotrophic larval strategy. The present data show that there is no significant difference in the paleobiogeo-graphic distribution of Emsian gastropod genera with lecithotrophic and planktotrophic larval strategies. Numerical analysis of...
Organohalogen concentrations in blood and adipose tissue of Southern Beaufort Sea polar bears
T.W. Bentzen, D.C.G. Muir, Steven C. Amstrup, T. M. O'Hara
2008, Science of the Total Environment (406) 352-367
We analyzed 151 organohalogen chemicals (OHCs) in whole blood and subcutaneous fat of 57 polar bears sampled along the Alaskan Beaufort Sea coast in spring, 2003. All major organochlorine pesticides, PCBs, PBDEs and their congeners were assessed. Concentrations of most OHCs continue to be lower among Southern Beaufort Sea polar...
A modeling tool to evaluate regional coral reef responses to changes in climate and ocean chemistry
R. W. Buddemeier, P. L. Jokiel, K.M. Zimmerman, D.R. Lane, J.M. Carey, Geoffrey C. Bohling, J.A. Martinich
2008, Limnology and Oceanography: Methods (6) 395-411
We developed a spreadsheet-based model for the use of managers, conservationists, and biologists for projecting the effects of climate change on coral reefs at local-to-regional scales. The COMBO (Coral Mortality and Bleaching Output) model calculates the impacts to coral reefs from changes in average SST and CO2 concentrations, and from...
Conservation status of imperiled north American freshwater and diadromous fishes
H.L. Jelks, S. J. Walsh, N.M. Burkhead, Salvador Contreras-Balderas, E. Diaz-Pardo, D.A. Hendrickson, J. Lyons, N.E. Mandrak, F. McCormick, Joseph S. Nelson, Steven P. Platania, B.A. Porter, C.B. Renaud, J. J. Schmitter-Soto, E.B. Taylor, M.L. Warren Jr.
2008, Fisheries (33) 372-407
This is the third compilation of imperiled (i.e., endangered, threatened, vulnerable) plus extinct freshwater and diadromous fishes of North America prepared by the American Fisheries Society's Endangered Species Committee. Since the last revision in 1989, imperilment of inland fishes has increased substantially. This list includes 700 extant taxa representing 133...
Groundwater nutrient concentrations near an incised midwestern stream: Effects of floodplain lithology and land management
K. E. Schilling, P. Jacobson
2008, Biogeochemistry (87) 199-216
It has been recognized that subsurface lithology plays an important role in controlling nutrient cycling and transport in riparian zones. In Iowa and adjacent states, the majority of alluvium preserved in small and moderate sized valleys consists of Holocene-age organic-rich, and fine-grained loam. In this paper, we describe and evaluate...
Comparison of remote sensing image processing techniques to identify tornado damage areas from Landsat TM data
S.W. Myint, M. Yuan, R.S. Cerveny, C.P. Giri
2008, Sensors (8) 1128-1156
Remote sensing techniques have been shown effective for large-scale damage surveys after a hazardous event in both near real-time or post-event analyses. The paper aims to compare accuracy of common imaging processing techniques to detect tornado damage tracks from Landsat TM data. We employed the direct change detection approach using...
Relation between species assemblages of fishes and water quality in salt ponds and sloughs in South San Francisco Bay
F. Mejia, M. K. Saiki, John Y. Takekawa
2008, Southwestern Naturalist (53) 335-345
This study was conducted to characterize fishery resources inhabiting salt-evaporation ponds and sloughs in South San Francisco Bay, and to identify key environmental variables that influence distribution of fishes. The ponds, which were originally constructed and operated for commercial production of salt, have undergone preliminary modifications (installation of culverts, gates,...
