Bathymetric controls on sediment transport in the Hudson River estuary: Lateral asymmetry and frontal trapping
David K. Ralston, W. Rockwell Geyer, John C. Warner
2012, Journal of Geophysical Research (117)
Analyses of field observations and numerical model results have identified that sediment transport in the Hudson River estuary is laterally segregated between channel and shoals, features frontal trapping at multiple locations along the estuary, and varies significantly over the spring-neap tidal cycle. Lateral gradients in depth, and therefore baroclinic pressure...
Geophysical studies in the vicinity of Blue Mountain and Pumpernickel Valley near Winnemucca, north-central Nevada
David A. Ponce
2012, Open-File Report 2012-1207
From May 2008 to September 2009, the U.S. Geological Survey (USGS) collected data from more than 660 gravity stations, 100 line-km of truck-towed magnetometer traverses, and 260 physical-property sites in the vicinity of Blue Mountain and Pumpernickel Valley, northern Nevada (fig. 1). Gravity, magnetic, and physical-property data were collected to...
Archive of single-beam bathymetry data collected during USGS cruise 07CCT01 nearshore of Fort Massachusetts and within Camille Cut, West and East Ship Islands, Gulf Islands National Seashore, Mississippi, July 2007
Nancy T. DeWitt, James G. Flocks, B.J. Reynolds, Mark Hansen
2012, Data Series 722
The Gulf Islands National Seashore (GUIS) is composed of a series of barrier islands along the Mississippi - Alabama coastline. Historically these islands have undergone long-term shoreline change. The devastation of Hurricane Katrina in 2005 prompted questions about the stability of the barrier islands and their potential response to future...
A risk-based approach to evaluating wildlife demographics for management in a changing climate: A case study of the Lewis's Woodpecker
Erin Towler, Victoria A. Saab, Richard S. Sojda, Katherine Dickinson, Cindy L. Bruyere, Karen R. Newlon
2012, Environmental Management (50) 1152-1163
Given the projected threat that climate change poses to biodiversity, the need for proactive response efforts is clear. However, integrating uncertain climate change information into conservation planning is challenging, and more explicit guidance is needed. To this end, this article provides a specific example of how a risk-based approach can...
Reoccupation of floodplains by rivers and its relation to the age structure of floodplain vegetation
Christopher P. Konrad
2012, Journal of Geophysical Research
River channel dynamics over many decades provide a physical control on the age structure of floodplain vegetation as a river occupies and abandons locations. Floodplain reoccupation by a river, in particular, determines the interval of time during which vegetation can establish and mature. A general framework for analyzing floodplain reoccupation...
South Fork Shenandoah River habitat-flow modeling to determine ecological and recreational characteristics during low-flow periods
Jennifer L. Krstolic, R. Clay Ramey
2012, Scientific Investigations Report 2012-5081
The ecological habitat requirements of aquatic organisms and recreational streamflow requirements of the South Fork Shenandoah River were investigated by the U.S. Geological Survey in cooperation with the Central Shenandoah Valley Planning District Commission, the Northern Shenandoah Valley Regional Commission, and Virginia Commonwealth University. Physical habitat simulation modeling was conducted...
Geomyces destructans -- White-nose syndrome in hibernating bats
Carol U. Meteyer, Gudrun Wibbelt
Dolores Gavier-Widen, J. Paul Duff, Anna Meredith, editor(s)
2012, Book chapter, Infectious diseases of wild mammals and birds in Europe
No abstract available....
Coupling at Mauna Loa and Kīlauea by stress transfer in an asthenospheric melt layer
Helge M. Gonnermann, James H. Foster, Michael Poland, Cecily J. Wolfe, Benjamin A. Brooks, Asta Miklius
2012, Nature Geoscience (5) 826-829
The eruptive activity at the neighbouring Hawaiian volcanoes, Kīlauea and Mauna Loa, is thought to be linked despite both having separate lithospheric magmatic plumbing systems. Over the past century, activity at the two volcanoes has been anti-correlated, which could reflect a competition for the same magma supply. Yet, during the...
Summer temperature metrics for predicting brook trout (Salvelinus fontinalis) distribution in streams
Donna L. Parrish, Ryan S. Butryn, Donna M. Rizzo
2012, Hydrobiologia (703) 47-57
We developed a methodology to predict brook trout (Salvelinus fontinalis) distribution using summer temperature metrics as predictor variables. Our analysis used long-term fish and hourly water temperature data from the Dog River, Vermont (USA). Commonly used metrics (e.g., mean, maximum, maximum 7-day maximum) tend to smooth the data...
The 11 April 2012 east Indian Ocean earthquake triggered large aftershocks worldwide
Fred F. Pollitz, Ross S. Stein, Volkan Sevilgen, Roland Burgmann
2012, Nature (490) 250-253
Large earthquakes trigger very small earthquakes globally during passage of the seismic waves and during the following several hours to days1, 2, 3, 4, 5, 6, 7, 8, 9, 10, but so far remote aftershocks of moment magnitude M≥5.5 have not been identified11, with the lone exception of an M=6.9...
Sandstone copper assessment of the Chu-Sarysu Basin, Central Kazakhstan: Chapter E in Global mineral resource assessment
Stephen E. Box, Boris Syusyura, Timothy S. Hayes, Cliff D. Taylor, Michael L. Zientek, Murray W. Hitzman, Reimar Seltmann, Vladimir Chechetkin, Alla Dolgopolova, Pamela M. Cossette, John C. Wallis
2012, Scientific Investigations Report 2010-5090-E
Mineral resource assessments represent a synthesis of available information to estimate the location, quality, and quantity of undiscovered mineral resources in the upper part of the Earth’s crust. This report presents a probabilistic mineral resource assessment of undiscovered sandstone copper deposits within the late Paleozoic Chu-Sarysu Basin in central Kazakhstan...
Mercury in waters, soils, and sediments of the New Jersey Coastal Plain: A comparison of regional distribution and mobility with the mercury contamination at the William J. Hughes Technical Center, Atlantic County, New Jersey
Julia L. Barringer, Zoltan Szabo, Pamela A. Reilly
2012, Scientific Investigations Report 2012-5115
Mercury in soils, surface water, and groundwater at the William J. Hughes Technical Center , Atlantic County, New Jersey, has been found at levels that exceed established background concentrations in Coastal Plain waters, and, in some cases, New Jersey State standards for mercury in various media. As of 2012, it...
Ecology for conserving our sirenians
Robert K. Bonde
2012, Ecology (93) 2127-2128
Review of: Ecology and conservation of the sirenia: dugongs and manatees. Helene Marsh, Thomas J. O'Shea and John E. Reynolds III. Cambridge University Press, Cambridge, 2012, 521 pp, ISBN 978-0-521-88828-8, US$135 and 978-0-521-71643-7, US$65....
Preliminary assessment of channel stability and bed-material transport in the Tillamook Bay tributaries and Nehalem River basin, northwestern Oregon
Krista L. Jones, Mackenzie K. Keith, Jim E. O'Connor, Joseph F. Mangano, J. Rose Wallick
2012, Open-File Report 2012-1187
This report summarizes a preliminary study of bed-material transport, vertical and lateral channel changes, and existing datasets for the Tillamook (drainage area 156 square kilometers [km2]), Trask (451 km2), Wilson (500 km2), Kilchis (169 km2), Miami (94 km2), and Nehalem (2,207 km2) Rivers along the northwestern Oregon coast. This study,...
Revealing the appetite of the marine aquarium fish trade: the volume and biodiversity of fish imported into the United States
Andrew L. Rhyne, Michael F. Tlusty, Pamela J. Schofield, Les Kaufman, James A. Morris Jr., Andrew W. Bruckner
2012, PLoS ONE (7)
The aquarium trade and other wildlife consumers are at a crossroads forced by threats from global climate change and other anthropogenic stressors that have weakened coastal ecosystems. While the wildlife trade may put additional stress on coral reefs, it brings income into impoverished parts of the world and may stimulate...
Diet and conservation implications of an invasive chameleon, Chamaeleo jacksonii (Squamata: Chamaeleonidae) in Hawaii
Fred Kraus, Arthur Medeiros, David Preston, Catherine S. Jarnevich, Gordon H. Rodda
2012, Biological Invasions (14) 579-593
We summarize information on current distribution of the invasive lizard Chamaeleo jacksonii and predict its potential distribution in the Hawaiian Islands. Potential distribution maps are based on climate models developed from known localities in its native range and its Hawaiian range. We also present results of analysis of stomach contents...
Health assessment and seroepidemiologic survey of potential pathogens in wild Antillean manatees (Trichechus manatus manatus)
Kathryn Sulzner, Christine Kreuder Johnson, Robert K. Bonde, Nicole Auil Gomez, James Powell, Klaus Nielsen, M. Page Luttrell, A.D.M.E. Osterhaus, A. Alonso Aguirre
2012, PLoS ONE (7)
The Antillean manatee (Trichechus manatus manatus), a subspecies of the West Indian manatee, inhabits fresh, brackish, and warm coastal waters distributed along the eastern border of Central America, the northern coast of South America, and throughout the Wider Caribbean Region. Threatened primarily by human encroachment, poaching, and habitat degradation, Antillean...
An economic approach to assessing import policies designed to prevent the arrival of invasive species: the case of Puccinia psidii in Hawai'i
Kimberly Burnett, Sean D’Evelyn, Lloyd Loope, Christopher A. Wada
2012, Environmental Science and Policy (19-20) 158-168
Since its first documented introduction to Hawai‘i in 2005, the rust fungus Puccinia psidii has already severely damaged Syzygium jambos (Indian rose apple) trees and the federally endangered Eugenia koolauensis (nioi). Fortunately, the particular strain has yet to cause serious damage to Metrosideros polymorpha (‘ōhi‘a), which comprises roughly 80% of...
Preliminary geologic map of the Stanardsville 7.5' quadrangle, Greene and Madison Counties, Virginia
William C. Burton, Christopher M. Bailey, E. Allen Crider
2012, Open-File Report 2012-1190
The Stanardsville 7.5-minute quadrangle is located about 30 kilometers north of Charlottesville, Virginia, in the eastern foothills of the Blue Ridge and within the Blue Ridge physiographic province. The quadrangle contains a small part of the eastern margin of Shenandoah National Park along Saddleback Mountain just north of Swift...
The driving forces of land change in the Northern Piedmont of the United States
Roger F. Auch, Darrell E. Napton, Steven Kambly, Thomas R. Moreland Jr., Kristi Sayler
2012, Geographical Review (102) 53-75
Driving forces facilitate or inhibit land-use/land-cover change. Human driving forces include political, economic, cultural, and social attributes that often change across time and space. Remotely sensed imagery provides regional land-change data for the Northern Piedmont, an ecoregion of the United States that continued to urbanize after 1970 through conversion of...
The genome of Chelonid herpesvirus 5 harbors atypical genes
Mathias Ackermann, Maxim Koriabine, Fabienne Hartmann-Fritsch, Pieter J. de Jong, Teresa D. Lewis, Nelli Schetle, Thierry M. Work, Julie Dagenais, George H. Balazs, Jo-Ann C. Leong
2012, PLoS ONE (7)
The Chelonid fibropapilloma-associated herpesvirus (CFPHV; ChHV5) is believed to be the causative agent of fibropapillomatosis (FP), a neoplastic disease of marine turtles. While clinical signs and pathology of FP are well known, research on ChHV5 has been impeded because no cell culture system for its propagation exists. We have cloned...
Feeding habitats of the Gulf sturgeon, Acipenser oxyrinchus desotoi, in the Suwannee and Yellow rivers, Florida, as identified by multiple stable isotope analyses
Kenneth J. Sulak, James J. Berg, Michael T. Randall
2012, Environmental Biology of Fishes (95) 237-258
Stable 13C, 15N, and 34S isotopes were analyzed to define the feeding habitats of Acipenser oxyrinchus desotoi in the Suwannee and Yellow River populations. For the majority (93.9%) of Suwannee subadults and adults, 13C and 34S signatures indicate use of nearshore marine waters as primary winter feeding habitat, probably due...
Dendrochemistry of multiple releases of chlorinated solvents at a former industrial site
Jean Christophe Balouet, Joel G. Burken, Frank Karg, Don Vroblesky, Kevin T. Smith, Hakan Grudd, Anders Rindby, Francois Beaujard, Michel Chalot
2012, Environmental Science & Technology (46) 9541-9547
Trees can take up and assimilate contaminants from the soil, subsurface, and groundwater. Contaminants in the transpiration stream can become bound or incorporated into the annual rings formed in trees of the temperate zones. The chemical analysis of precisely dated tree rings, called dendrochemistry, can be used to interpret past...
Passive thermal refugia provided warm water for Florida manatees during the severe winter of 2009-2010
B.M. Stith, D. H. Slone, M. de Wit, H.H. Edwards, C.A. Langtimm, E.D. Swain, L.E. Soderqvist, J.P. Reid
2012, Marine Ecology Progress Series (462) 287-301
Haloclines induced by freshwater inflow over tidal water have been identified as an important mechanism for maintaining warm water in passive thermal refugia (PTR) used by Florida manatees Trichechus manatus latirostris during winter in extreme southwestern Florida. Record-setting cold during winter 2009–2010 resulted in an unprecedented number of manatee deaths,...
Estimating pesticide sampling rates by the polar organic chemical integrative sampler (POCIS) in the presence of natural organic matter and varying hydrodynamic conditions
Lucner Charlestra, Aria Amirbahman, David L. Courtemanch, David A. Alvarez, Howard Patterson
2012, Environmental Pollution (169) 98-104
The polar organic chemical integrative sampler (POCIS) was calibrated to monitor pesticides in water under controlled laboratory conditions. The effect of natural organic matter (NOM) on the sampling rates (Rs) was evaluated in microcosms containing -1 of total organic carbon (TOC). The effect of hydrodynamics was studied by...
