Global phylogeographic limits of Hawaii's avian malaria
J.S. Beadell, F. Ishtiaq, R. Covas, M. Melo, B.H. Warren, C. T. Atkinson, S. Bensch, G.R. Graves, Y.V. Jhala, M.A. Peirce, A.R. Rahmani, D.M. Fonseca, R.C. Fleischer
2006, Proceedings of the Royal Society B: Biological Sciences (273) 2935-2944
The introduction of avian malaria (Plasmodium relictum) to Hawaii has provided a model system for studying the influence of exotic disease on naive host populations. Little is known, however, about the origin or the genetic variation of Hawaii's malaria and traditional classification methods have confounded attempts to place the parasite...
Cloud-to-ground lightning and surface rainfall in warm-season Florida thunderstorms
B. Gungle, E.P. Krider
2006, Journal of Geophysical Research D: Atmospheres (111)
Relationships between cloud-to-ground (CG) lightning and surface rainfall have been examined in nine isolated, warm-season thunderstorms on the east coast of central Florida. CG flashes and the associated rain volumes were measured as a function of time in storm-centered reference frames that followed each storm over a network of rain...
Reticulate melanism in western painted turtles (Chrysemys picta bellii): Exploring linkages with habitat and heating rates
W.K. Gronke, S. R. Chipps, S.J. Bandas, K.F. Higgins
2006, American Midland Naturalist (156) 289-298
In western painted turtles (Chrysemys picta bellii), males often exhibit one of two morphs: (1) a reticulated form, characterized by an intricate network of dark markings on the carapace or (2) a non-reticulated form. Although several hypotheses have been proposed to explain the adaptive significance of reticulate melanism (RM) on...
Does body size affect a bird's sensitivity to patch size and landscape structure?
Maiken Winter, Douglas H. Johnson, Jill A. Shaffer
2006, Condor (108) 808-816
Larger birds are generally more strongly affected by habitat loss and fragmentation than are smaller ones because they require more resources and thus larger habitat patches. Consequently, conservation actions often favor the creation or protection of larger over smaller patches. However, in grassland systems the boundaries between a patch and...
Age and duration of eclogite-facies metamorphism, North Qaidam HP/UHP terrane, Western China
C.G. Mattinson, J. L. Wooden, J. G. Liou, D.K. Bird, C.L. Wu
2006, American Journal of Science (306) 683-711
Amphibolite-facies para-and orthogneisses near Dulan, at the southeast end of the North Qaidam terrane, enclose minor eclogite and peridotite which record ultra-high pressure (UHP) metamorphism associated with the Early Paleozoic continental collision of the Qilian and Qaidam microplates. Field relations and coesite inclusions in zircons from paragneiss suggest that felsic,...
Seismoelectric numerical modeling on a grid
S.S. Haines, S.R. Pride
2006, Geophysics (71)
Our finite-difference algorithm provides a new method for simulating how seismic waves in arbitrarily heterogeneous porous media generate electric fields through an electrokinetic mechanism called seismoelectric coupling. As the first step in our simulations, we calculate relative pore-fluid/grain-matrix displacement by using existing poroelastic theory. We then calculate the electric current...
Light-mediated Zn uptake in photosynthetic biofilm
J.M. Morris, A.M. Farag, D. A. Nimick, J.S. Meyer
2006, Hydrobiologia (571) 361-371
Our experiments conducted under controlled laboratory conditions demonstrate diel uptake and release of zinc (Zn) in lab-cultured biofilm exposed to Zn concentrations that are present in some mining-impacted streams (1–2 mg Zn/l). Specifically, at constant pH, temperature, and aqueous Zn concentrations in the exposure water, biofilm accumulated Zn during the light...
Geomorphic effects of large debris flows and flash floods, northern Venezuela, 1999
M. C. Larsen, G. F. Wieczorek
2006, Zeitschrift fur Geomorphologie, Supplementband (145) 147-175
A rare, high-magnitude storm in northern Venezuela in December 1999 triggered debris flows and flash floods, and caused one of the worst natural disasters in the recorded history of the Americas. Some 15,000 people were killed. The debris flows and floods inundated coastal communities on alluvial fans at the mouths...
Negative magnetic anomaly over Mt. Resnik, a subaerially erupted volcanic peak beneath the West Antarctic Ice Sheet
John C. Behrendt, Carol A. Finn, D. L. Morse, D. D. Blankenship
2006, Terra Antarctica (12) 203-212
Mt. Resnik is one of the previously reported 18 subaerially erupted volcanoes (in the West Antarctic rift system), which have high elevation and high bed relief beneath the WAIS in the Central West Antarctica (CWA) aerogeophysical survey. Mt. Resnik lies 300 m below the surface of the West Antarctic Ice...
Comprehensive genetic analyses reveal evolutionary distinction of a mouse (Zapus hudsonius preblei) proposed for delisting from the US Endangered Species Act
Tim L. King, John F. Switzer, Cheryl L. Morrison, Michael S. Eackles, Colleen Young, Barbara A. Lubinski, Paul M. Cryan
2006, Molecular Ecology (15) 4331-4359
Zapus hudsonius preblei, listed as threatened under the US Endangered Species Act (ESA), is one of 12 recognized subspecies of meadow jumping mice found in North America. Recent morphometric and phylogenetic comparisons among Z. h. preblei and neighbouring conspecifics questioned the taxonomic status of selected subspecies, resulting in a proposal...
Recorded earthquake responses from the integrated seismic monitoring network of the Atwood Building, Anchorage, Alaska
M. Çelebi
2006, Earthquake Spectra (22) 847-864
An integrated seismic monitoring system with a total of 53 channels of accelerometers is now operating in and at the nearby free-field site of the 20-story steel-framed Atwood Building in highly seismic Anchorage, Alaska. The building has a single-story basement and a reinforced concrete foundation without piles. The monitoring system...
Soil grain analyses at Meridiani Planum, Mars
C.M. Weitz, R. C. Anderson, J.F. Bell III, W. H. Farrand, Kenneth E. Herkenhoff, J. R. Johnson, B.L. Jolliff, R.V. Morris, S. W. Squyres, R.J. Sullivan
2006, Journal of Geophysical Research E: Planets (111)
Grain‐size analyses of the soils at Meridiani Planum have been used to identify rock sources for the grains and provide information about depositional processes under past and current conditions. Basaltic sand, dust, millimeter‐size hematite‐rich spherules interpreted as concretions, spherule fragments, coated partially buried spherules, basalt fragments, sedimentary outcrop fragments, and...
Mallard brood movements, wetland use, and duckling survival during and following a prairie drought
Gary L. Krapu, P.J. Pietz, D.A. Brandt, R. R. Cox Jr.
2006, Journal of Wildlife Management (70) 1436-1444
We used radiotelemetry to study mallard (Anas platyrhynchos) brood movements, wetland use, and duckling survival during a major drought (1988-1992) and during the first 2 years of the subsequent wet period (1993-1994) at 4 51-km2 sites in prairie pothole landscapes in eastern North Dakota, USA. About two-thirds of 69 radiomarked...
Titan: Preliminary results on surface properties and photometry from VIMS observations of the early flybys
B. J. Buratti, Christophe Sotin, R. H. Brown, M.D. Hicks, R. N. Clark, J. A. Mosher, T. B. McCord, R. Jaumann, K. H. Baines, P. D. Nicholson, T. Momary, D.P. Simonelli, B. Sicardy
2006, Planetary and Space Science (54) 1498-1509
Cassini observations of the surface of Titan offer unprecedented views of its surface through atmospheric windows in the 1-5 ??m region. Images obtained in windows for which the haze opacity is low can be used to derive quantitative photometric parameters such as albedo and albedo distribution, and physical properties such...
Photometric properties of Titan's surface from Cassini VIMS: Relevance to titan's hemispherical albedo dichotomy and surface stability
R.M. Nelson, R. H. Brown, B.W. Hapke, W. D. Smythe, L. Kamp, M.D. Boryta, F. Leader, K. H. Baines, G. Bellucci, J.-P. Bibring, B. J. Buratti, F. Capaccioni, P. Cerroni, R. N. Clark, M. Combes, A. Coradini, D. P. Cruikshank, P. Drossart, V. Formisano, R. Jaumann, Y. Langevin, D. L. Matson, T. B. McCord, V. Mennella, P. D. Nicholson, B. Sicardy, Christophe Sotin
2006, Planetary and Space Science (54) 1540-1551
The Visual and Infrared Mapping Spectrometer (VIMS) instrument on the Cassini Saturn Orbiter returned spectral imaging data as the spacecraft undertook six close encounters with Titan beginning 7 July, 2004. Three of these flybys each produced overlapping coverage of two distinct regions of Titan's surface. Twenty-four points were selected on...
Emplacement of the Kodiak batholith and slab-window migration
David W. Farris, Peter J. Haeussler, Richard Friedman, Scott R. Paterson, R. W. Saltus, Robert A. Ayuso
2006, Geological Society of America Bulletin (118) 1360-1376
The Kodiak batholith is one of the largest, most elongate intrusive bodies in the forearc Sanak-Baranof plutonic belt located in southern Alaska. This belt is interpreted to have formed during the subduction of an oceanic spreading center and the associated migration of a slab window. Individual plutons of the Kodiak...
Comparison of the historical record of earthquake hazard with seismic-hazard models for New Zealand and the continental United States
Mark W. Stirling, Mark D. Petersen
2006, Bulletin of the Seismological Society of America (96) 1978-1994
We compare the historical record of earthquake hazard experienced at 78 towns and cities (sites) distributed across New Zealand and the continental United States with the hazard estimated from the national probabilistic seismic-hazard (PSH) models for the two countries. The two PSH models are constructed with similar methodologies and data....
Submarine gravity slides on the Paleozoic continental slope at the western edge of the Great Basin, east-cental California: A mechanism for development of unconformities in slope environments
C.H. Stevens, P. Stone
2006, Stratigraphy (3) 139-149
The middle Paleozoic continental slope, represented by rocks exposed near Badger Flat in the northwestern Inyo Mountains, at the western edge of the Great Basin in east-central California, failed by submarine gravity sliding twice during Silurian and Devonian time. Each time a major unconformity was developed between the surface exposed...
Striping artifact reduction in lunar orbiter mosaic images
P.A. Mlsna, T. Becker
2006, Conference Paper, Proceedings of the IEEE Southwest Symposium on Image Analysis and Interpretation
Photographic images of the moon from the 1960s Lunar Orbiter missions are being processed into maps for visual use. The analog nature of the images has produced numerous artifacts, the chief of which causes a vertical striping pattern in mosaic images formed from a series of filmstrips. Previous methods of...
Location and timing of river-aquifer exchanges in six tributaries to the Columbia River in the Pacific Northwest of the United States
C.P. Konrad
2006, Journal of Hydrology (329) 444-470
The flow of water between rivers and contiguous aquifers influences the quantity and quality of water resources, particularly in regions where precipitation and runoff are unevenly distributed through the year, such as the Columbia Basin (CB) in northwestern United States. Investigations of basin hydrogeology and gains and losses of streamflow...
A specter of coexistence: Is centrifugal community organization haunted by the ghost of competition?
Gideon Wasserberg, B.P. Kotler, D.W. Morris, Z. Abramsky
2006, Israel Journal of Ecology and Evolution (52) 123-140
In a centrifugally organized community species prefer the same habitat (called "core") but differ in their secondary habitat preferences. The first model of centrifugal community organization (CCO) predicted that optimally foraging, symmetrically competing species would share use of the core habitat at all density combinations. But one might also assume...
Slip on the San Andreas fault at Parkfield, California, over two earthquake cycles, and the implications for seismic hazard
J. Murray, J. Langbein
2006, Bulletin of the Seismological Society of America (96)
Parkfield, California, which experienced M 6.0 earthquakes in 1934, 1966, and 2004, is one of the few locales for which geodetic observations span multiple earthquake cycles. We undertake a comprehensive study of deformation over the most recent earthquake cycle and explore the results in the context of geodetic data collected...
Occurrence and fate of organic contaminants during onsite wastewater treatment
K.E. Conn, L. B. Barber, G.K. Brown, R.L. Siegrist
2006, Environmental Science & Technology (40) 7358-7366
Onsite wastewater treatment systems serve approximately 25% of the U.S. population. However, little is known regarding the occurrence and fate of organic wastewater contaminants (OWCs), including endocrine disrupting compounds, during onsite treatment. A range of OWCs including surfactant metabolites, steroids, stimulants, metal-chelating agents, disinfectants, antimicrobial agents, and...
Survey of organic wastewater contaminants in biosolids destined for land application
C.A. Kinney, E. T. Furlong, S.D. Zaugg, M.R. Burkhardt, S.L. Werner, J.D. Cahill, G.R. Jorgensen
2006, Environmental Science & Technology (40) 7207-7215
In this study, the presence, composition, and concentrations of organic wastewater contaminants (OWCs) were determined in solid materials produced during wastewater treatment. This study was undertaken to evaluate the potential of these solids, collectively referred to as biosolids, as a source of OWCs to soil and water...
Aspects of the biology of Salicornia bigelovii torr. In relation to a proposed restoration of a wind-tidal flat system on the South Texas, USA Coast
C.P. Onuf
2006, Wetlands (26) 649-666
Wind-tidal flats are the dominant coastal wetland type in southern Texas USA. Succulent vascular plants are colonizing the flats in some locations, often where past dredge disposal along navigation channels and other activities have interrupted natural water communication between hypersaline bays and large areas of wind-tidal flats. The objective of...
