Home ranges and habitat use of sloth bears Melursus ursinus inornatus in Wasgomuwa National Park, Sri Lanka
S. Ratnayeke, F.T. Van Manen, U.K.G.K. Padmalal
2007, Wildlife Biology (13) 272-284
We studied home ranges and habitat selection of 10 adult sloth bears Melursus ursinus inornatus at Wasgomuwa National Park, Sri Lanka during 2002-2003. Very little is known about the ecology and behaviour of M. u. inornatus, which is a subspecies found in Sri Lanka. Our study was undertaken to assess...
Basin structure beneath the Santa Rosa Plain, Northern California: Implications for damage caused by the 1969 Santa Rosa and 1906 San Francisco earthquakes
D.K. McPhee, V.E. Langenheim, S. Hartzell, R. J. McLaughlin, Brad T. Aagaard, R.C. Jachens, C. McCabe
2007, Bulletin of the Seismological Society of America (97) 1449-1457
Regional gravity data in the northern San Francisco Bay region reflect a complex basin configuration beneath the Santa Rosa plain that likely contributed to the significant damage to the city of Santa Rosa caused by the 1969 M 5.6, 5.7 Santa Rosa earthquakes and the...
Diets of swift foxes (Vulpes velox) in continuous and fragmented prairie in Northwestern Texas
J.F. Kamler, W.B. Ballard, M.C. Wallace, P. S. Gipson
2007, Southwestern Naturalist (52) 504-510
Distribution of the swift fox (Vulpes velox) has declined dramatically since the 1800s, and suggested causes of this decline are habitat fragmentation and transformation due to agricultural expansion. However, impacts of fragmentation and human-altered habitats on swift foxes still are not well understood. To better understand what effects these factors...
Effects of highway construction on sediment and benthic macroinvertebrates in two tributaries of the Lost River, West Virginia
Lara B. Hedrick, S.A. Welsh, James T. Anderson
2007, Journal of Freshwater Ecology (22) 561-569
During a three-year study of two tributaries being crossed by a four-lane highway under construction in the eastern panhandle of West Virginia, we found little difference in the amount of fine sediment collected at upstream and downstream sites. The downstream site on one tributary collected significantly greater amounts of sediment...
Conservation value of Mount Rushmore National Memorial's forest
Amy J. Symstad, Michael R. Bynum
2007, Natural Areas Journal (27) 293-301
Justifying the maintenance of small natural areas requires understanding their contribution to the conservation of specific natural resources. Mount Rushmore National Memorial (MORU) is a small portion of the Black Hills of western South Dakota and eastern Wyoming. Because it has been protected from logging since the late 1930s, it...
Faunal re-evaluation of Mid-Pliocene conditions in the western equatorial Pacific
H. Dowsett
2007, Micropaleontology (53) 447-456
Mid-Pliocene low-latitude Pacific faunal (planktic foraminifer) sea surface temperature (SST) estimates are normally based upon the Modern Analog Technique (MAT). In the Eastern equatorial Pacific (EEP), where upwelling of cool water predominates, MAT can be used to discern both cooling and warming in Neogene records. SST today is ???30??C in...
Population growth of Yellowstone grizzly bears: Uncertainty and future monitoring
R.B. Harris, Gary C. White, C.C. Schwartz, M.A. Haroldson
2007, Ursus (18) 168-178
Grizzly bears (Ursus arctos) in the Greater Yellowstone Ecosystem of the US Rocky Mountains have recently increased in numbers, but remain vulnerable due to isolation from other populations and predicted reductions in favored food resources. Harris et al. (2006) projected how this population might fare in the future under alternative...
Hydrology and subsurface transport of oil-field brine at the U.S. Geological Survey OSPER site "A", Osage County, Oklahoma
William N. Herkelrath, Yousif K. Kharaka, James J. Thordsen, Marvin M. Abbott
2007, Applied Geochemistry (22) 2155-2163
Spillage and improper disposal of saline produced water from oil wells has caused environmental damage at thousands of sites in the United States. In order to improve understanding of the fate and transport of contaminants at these sites, the U.S. Geological...
Characterization and expression profile of the ovarian cytochrome P-450 aromatase (cyp19A1) gene during thermolabile sex determination in Pejerrey, Odontesthes bonariensis
M. Karube, J.I. Fernandino, P. Strobl-Mazzulla, C.A. Strussmann, G. Yoshizaki, G.M. Somoza, R. Patino
2007, Journal of Experimental Zoology Part A: Ecological Genetics and Physiology (307) 625-636
Cytochrome P450 aromatase (cyp19) is an enzyme that catalyzes the conversion of androgens to estrogens and may play a role in temperature- dependent sex determination (TSD) of reptiles, amphibians, and fishes. In this study, the ovarian P450 aromatase form (cyp19A1) of pejerrey Odontesthes bonariensis, a teleost with marked TSD, was...
Anthropogenic impacts on American eel demographics in Hudson River tributaries, New York
L.S. Machut, K.E. Limburg, R.E. Schmidt, D. Dittman
2007, Transactions of the American Fisheries Society (136) 1699-1713
Populations of American eel Anguilla rostrata along the eastern coast of North America have declined drastically for largely unknown reasons. We examined the population dynamics of American eels in six tributaries of the Hudson River, New York, to quantify their distribution and the impacts of anthropogenic stressors. With up to...
The NatCarb geoportal: Linking distributed data from the Carbon Sequestration Regional Partnerships
T.R. Carr, P.M. Rich, J.D. Bartley
2007, Journal of Map & Geography Libraries (4) 131-147
The Department of Energy (DOE) Carbon Sequestration Regional Partnerships are generating the data for a "carbon atlas" of key geospatial data (carbon sources, potential sinks, etc.) required for rapid implementation of carbon sequestration on a broad scale. The NATional CARBon Sequestration Database and Geographic Information System (NatCarb) provides Web-based, nation-wide...
Cloud water in windward and leeward mountain forests: The stable isotope signature of orographic cloud water
M. A. Scholl, T. W. Giambelluca, S. B. Gingerich, M.A. Nullet, L.L. Loope
2007, Water Resources Research (43)
Cloud water can be a significant hydrologic input to mountain forests. Because it is a precipitation source that is vulnerable to climate change, it is important to quantify amounts of cloud water input at watershed and regional scales. During this study, cloud water and rain samples were collected monthly for...
Velafrons coahuilensis, a new labeosaurine haddrosaurid (Dinosauria: Ornithopoda) from the Late Campanian Cerro del Pueblo formation, Coahuila, Mexico
Terry A. Gates, Scott D. Sampson, Carlos R. Delgado de Jesus, Lindsay E. Zanno, David Eberth, Rene Hernandez-Rivera, Martha C. Aguillon-Martinez, James I. Kirkland
2007, Journal of Vertebrate Paleontology (27) 917-930
A new lambeosaurine hadrosaurid, Velafrons coahuilensis, is described as the first lambeosaurine from the Cerro del Pueblo Formation of Coahuila, Mexico, and the first lambeosaurine genus to be named from North America in more than 70 years. Although the holotype specimen is a juvenile individual—as evidenced by its incomplete crest development...
Infection by a black spot-causing species of Uvulifer and associated opercular alterations in fishes from a high-desert stream in Wyoming
M.C. Quist, M.R. Bower, W.A. Hubert
2007, Diseases of Aquatic Organisms (78) 129-136
Black spot is a common disease syndrome of freshwater fishes. This study provides information on the rank of density of the black spot agent and opercular bone alterations associated with at least one digenean, Uvulifer sp., infecting native and non-native catostomids and cyprinids of the Upper Colorado River Basin. We...
Barrier island vulnerability to breaching: a case study on Dauphin Island, Alabama
Mark Hansen, Asbury H. Sallenger Jr.
2007, Conference Paper, Coastal Sediments '07 - Proceedings of 6th International Symposium on Coastal Engineering and Science of Coastal Sediment Processes
Breaching of barrier islands can adversely impact society by severing infrastructure, destroying private properties, and altering water quality in back bays and estuaries. This study provides a scheme that assesses the relative vulnerability of a barrier island to breach during storms. Dauphin Island, Alabama was selected for this study because...
Physical limits on ground motion at Yucca Mountain
D.J. Andrews, Thomas C. Hanks, J.W. Whitney
2007, Bulletin of the Seismological Society of America (97) 1771-1792
Physical limits on possible maximum ground motion at Yucca Mountain, Nevada, the designated site of a high-level radioactive waste repository, are set by the shear stress available in the seismogenic depth of the crust and by limits on stress change that can propagate through the medium. We find in dynamic...
Prime candidate earth targets for the post-launch radiometric calibration of space-based optical imaging instruments
P.M. Teillet, J. A. Barsi, G. Chander, K. J. Thome
2007, Conference Paper, Proceedings of SPIE - The International Society for Optical Engineering
This paper provides a comprehensive list of prime candidate terrestrial targets for consideration as benchmark sites for the post-launch radiometric calibration of space-based instruments. The key characteristics of suitable sites are outlined primarily with respect to selection criteria, spatial uniformity, and temporal stability. The establishment and utilization of such benchmark...
Tissue contaminants and associated transcriptional response in trout liver from high elevation lakes of Washington
P.W. Moran, N. Aluru, R. W. Black, M.M. Vijayan
2007, Environmental Science & Technology (41) 6591-6597
The consistent cold temperatures and large amount of precipitation in the Olympic and Cascade ranges of Washington State are thought to enhance atmospheric deposition of contaminants. However, little is known about contaminant levels in organisms residing in these remote high elevation lakes. We measured total mercury and 28 organochlorine compounds...
USGS assessment of undiscovered oil and gas resources for the Oligocene Frio and Anahuac formations, U.S. Gulf of Mexico coastal plain and state waters: Review of assessment units
Sharon M. Swanson, Alexander W. Karlsen, Peter D. Warwick
Lorcan Kennan, James Pindell, Norman C. Rosen, editor(s)
2007, Conference Paper, The Paleogene of the Gulf of Mexico and Caribbean basins: Processes, events, and petroleum systems
The Oligocene Frio and Anahuac formations were examined by the U.S. Geological Survey (USGS) as part of an assessment of technically recoverable undiscovered conventional and unconventional hydrocarbon resources in Paleogene and Neogene strata underlying the U.S. Gulf of Mexico Coastal Plain and state waters. Work included the identification of structural,...
Palynological correlation of Atokan and lower desmoinesian (Pennsylvanian) strata between the Illinois basin and the Forest City basin in Eastern Kansas
R.A. Peppers, L. L. Brady
2007, Current Research in Earth Sciences (253)
Palynological correlation is made between Atokan and lower Desmoinesian strata in the Illinois basin an the Forest City basin in eastern Kansas. Spore data from previous studies of coals in the Illinois basin and other coal basins are compared with data from spore assemblages in coal and carbonaceous shale bands...
Chemistry of water collected from an unventilated drift, Yucca Mountain, Nevada
B.D. Marshall, T.A. Oliver, Z. E. Peterman
2007, Conference Paper, Materials Research Society Symposium Proceedings
Water samples (referred to as puddle water samples) were collected from the surfaces of a conveyor belt and plastic sheeting in the unventilated portion of the Enhanced Characterization of the Repository Block (ECRB) Cross Drift in 2003 and 2005 at Yucca Mountain, Nevada. The chemistry of these puddle water samples...
Thermoregulation in larval aggregations of carrion-feeding blow flies (Diptera: Calliphoridae)
D. H. Slone, Susan V. Gruner
2007, Journal of Medical Entomology (44) 516-523
The growth and development of carrion-feeding calliphorid (Diptera Calliphoridae) larvae, or maggots, is of great interest to forensic sciences, especially for estimation of a postmortem interval (PMI). The development rate of calliphorid larvae is influenced by the temperature of their immediate environment. Heat generation in larval feeding aggregations (=maggot masses)...
Initial insights from 2.5D hydraulic modeling of floods in Athabasca Valles, Mars
Laszlo P. Keszthelyi, Roger P. Denlinger, D. R. H. O’Connell, Devon M. Burr
2007, Geophysical Research Letters (34)
We present the first application of a 2.5D hydraulic model to catastrophic floods on Mars. This model simulates flow over complex topography and incorporates flood dynamics that could not be modeled in the earlier 1D models. We apply this model to Athabasca Valles, the youngest outflow channel on Mars, investigating...
Spatial and temporal geochemical trends in the hydrothermal system of Yellowstone National Park: Inferences from river solute fluxes
Shaul Hurwitz, Jacob B. Lowenstern, Henry Heasler
2007, Journal of Volcanology and Geothermal Research (162) 149-171
We present and analyze a chemical dataset that includes the concentrations and fluxes of HCO3−, SO42−, Cl−, and F− in the major rivers draining Yellowstone National Park (YNP) for the 2002–2004 water years (1 October 2001 – 30 September 2004). The total (molar) flux in all rivers decreases in the following...
Blooms of the toxic dinoflagellate Alexandrium fundyense in the western Gulf of Maine in 1993 and 1994: A comparative modeling study
C.A. Stock, D.J. McGillicuddy Jr., D.M. Anderson, A.R. Solow, R. P. Signell
2007, Continental Shelf Research (27) 2486-2512
Blooms of the toxic dinoflagellate Alexandrium fundyense commonly occur in the western Gulf of Maine but the amount of toxin observed in coastal shellfish is highly variable. In this study, a coupled physical-biological model is used to investigate the dynamics underlying the observed A. fundyense abundance and shellfish toxicity in...
