Prevalence of neutralizing antibodies to rabies virus in serum of seven species of insectivorous bats from Colorado and New Mexico, United States
Richard A. Bowen, Thomas J. O'Shea, Vidya Shankar, Melissa A. Neubaum, Daniel J. Neubaum, Charles E. Rupprecht
2013, Journal of Wildlife Diseases (49) 367-374
We determined the presence of rabies-virus-neutralizing antibodies (RVNA) in serum of 721 insectivorous bats of seven species captured, sampled, and released in Colorado and New Mexico, United States in 2003-2005. A subsample of 160 bats was tested for rabies-virus RNA in saliva. We sampled little brown bats (Myotis lucifugus) at...
Adaptation to climate change: changes in farmland use and stocking rate in the U.S.
Jianhong E. Mu, Bruce A. McCarl, Anne M. Wein
2013, Mitigation and Adaptation Strategies for Global Change (18) 713-730
This paper examines possible adaptations to climate change in terms of pasture and crop land use and stocking rate in the United States (U.S.). Using Agricultural Census and climate data in a statistical model, we find that as temperature and precipitation increases agricultural commodity producers respond by reducing crop land...
Identification of largemouth bass virus in the introduced Northern snakehead inhabiting the Cheasapeake Bay watershed
Luke R. Iwanowicz, Christine L. Densmore, Cassidy M. Hahn, Phillip McAllister, John Odenkirk
2013, Journal of Aquatic Animal Health (25) 191-196
The Northern Snakehead Channa argus is an introduced species that now inhabits the Chesapeake Bay. During a preliminary survey for introduced pathogens possibly harbored by these fish in Virginia waters, a filterable agent was isolated from five specimens that produced cytopathic effects in BF-2 cells. Based on PCR amplification and...
Advancements in understanding the aeromagnetic expressions of basin-margin faults—An example from San Luis Basin, Colorado
V. J. Grauch, Paul A. Bedrosian, Benjamin J. Drenth
2013, The Leading Edge (32) 882-891
Advancements in aeromagnetic acquisition technology over the past few decades have led to greater resolution of shallow geologic sources with low magnetization, such as intrasedimentary faults and paleochannels. Detection and mapping of intrasedimentary faults in particular can be important for understanding the overall structural setting of...
The LANDFIRE Refresh strategy: updating the national dataset
Kurtis J. Nelson, Joel A. Connot, Birgit E. Peterson, Charley Martin
2013, Fire Ecology (9) 80-101
The LANDFIRE Program provides comprehensive vegetation and fuel datasets for the entire United States. As with many large-scale ecological datasets, vegetation and landscape conditions must be updated periodically to account for disturbances, growth, and natural succession. The LANDFIRE Refresh effort was the first attempt to consistently update these products nationwide....
2011 floods of the central United States
Water Resources Division, U.S. Geological Survey
2013, Professional Paper 1798
The Central United States experienced record-setting flooding during 2011, with floods that extended from headwater streams in the Rocky Mountains, to transboundary rivers in the upper Midwest and Northern Plains, to the deep and wide sand-bedded lower Mississippi River. The U.S. Geological Survey (USGS), as part of its mission, collected...
Probing the deep critical zone beneath the Luquillo Experimental Forest, Puerto Rico
Heather L. Buss, Susan L. Brantley, Fred Scatena, Katya Bazilevskaya, Alex E. Blum, Marjorie S. Schulz, Rafael Jimenez, Arthur F. White, G. Rother, D. Cole
2013, Earth Surface Processes and Landforms (38) 1170-1186
Recent work has suggested that weathering processes occurring in the subsurface produce the majority of silicate weathering products discharged to the world's oceans, thereby exerting a primary control on global temperature via the well-known positive feedback between silicate weathering and CO2. In addition, chemical and physical weathering processes deep within...
Projected future changes in vegetation in western North America in the 21st century
Jiang Xiaoyan, Sara A. Rauscher, Todd D. Ringler, David M. Lawrence, A. Park Williams, Craig D. Allen, Allison L. Steiner, D. Michael Cai, Nate G. McDowell
2013, Journal of Climate (26) 3671-3687
Rapid and broad-scale forest mortality associated with recent droughts, rising temperature, and insect outbreaks has been observed over western North America (NA). Climate models project additional future warming and increasing drought and water stress for this region. To assess future potential changes in vegetation distributions in western NA, the Community...
Projections and downscaling of 21st century temperatures, precipitation, radiative fluxes and winds for the southwestern US, with focus on the Lake Tahoe basin
Michael D. Dettinger
2013, Climatic Change (116) 17-33
Recent projections of global climate changes in response to increasing greenhouse-gas concentrations in the atmosphere include warming in the Southwestern US and, especially, in the vicinity of Lake Tahoe of from about +3°C to +6°C by end of century and changes in precipitation on the order of 5-10 % increases...
Regional demographic trends from long-term studies of saguaro (Carnegiea gigantea) across the northern Sonoran Desert
Elizabeth A. Pierson, Julio L. Betancourt, Raymond M. Turner
2013, Journal of Arid Environments (88) 57-69
Ten saguaro (Carnegiea gigantea) populations in the northern Sonoran Desert were monitored from 1959 to 2005 to discriminate how climate influences plant growth, abundance, reproductive potential, survivorship, age structure and regeneration trends. Thousands of saguaros were measured to determine site-specific growth rates and survivorship through time. Observed growth rates were...
Relaxing the closure assumption in single-season occupancy models: staggered arrival and departure times
William L. Kendall, James E. Hines, James D. Nichols, Evan H. Campbell Grant
2013, Ecology (94) 610-617
Occupancy statistical models that account for imperfect detection have proved very useful in several areas of ecology, including species distribution and spatial dynamics, disease ecology, and ecological responses to climate change. These models are based on the collection of multiple samples at each of a number of sites within a...
Instrumental neutron activation analysis data for cloud-water particulate samples, Mount Bamboo, Taiwan
Neng-Huei Lin, Guey-Rong Sheu, Gregory A. Wetherbee, Timothy M. Debey
2013, Open-File Report 2013-1147
Cloud water was sampled on Mount Bamboo in northern Taiwan during March 22-24, 2002. Cloud-water samples were filtered using 0.45-micron filters to remove particulate material from the water samples. Filtered particulates were analyzed by instrumental neutron activation analysis (INAA) at the U.S. Geological Survey National Reactor Facility in Denver, Colorado,...
Relative influence of human harvest, carnivores, and weather on adult female elk survival across western North America
Jedediah Brodie, Heather E. Johnson, Michael Mitchell, Peter Zager, Kelly Proffitt, Mark Hebblewhite, Matthew Kauffman, Bruce Johnson, John Bissonette, Chad Bishop, Justin Gude, Jeff Herbert, Kent Hersey, Mark Hurley, Paul M. Lukacs, Scott McCorquodale, Eliot McIntire, Josh Nowak, Hall Sawyer, Douglas Smith, P.J. White
2013, Journal of Applied Ecology (50) 295-305
Well-informed management of harvested species requires understanding how changing ecological conditions affect demography and population dynamics, information that is lacking for many species. We have limited understanding of the relative influence of carnivores, harvest, weather and forage availability on elk Cervus elaphus demography, despite the ecological and economic importance of...
An interactive web application for visualizing climate data
J. Alder, S. Hostetler, D. Williams
2013, Eos, Transactions, American Geophysical Union (94) 197-198
Massive volumes of data are being created as modeling centers from around the world finalize their submission of climate simulations for the Coupled Model Intercomparison Project, phase 5 (CMIP5), in preparation for the forthcoming Intergovernmental Panel on Climate Change (IPCC) Fifth Assessment Report (AR5). Scientists, resource managers, and other potential...
Review of the negative influences of non-native salmonids on native fish species
Kelly C. Turek, Mark A. Pegg, Kevin L. Pope
2013, Great Plains Research (23) 39-49
Non-native salmonids are often introduced into areas containing species of concern, yet a comprehensive overview of the short- and long-term consequences of these introductions is lacking in the Great Plains. Several authors have suggested that non-native salmonids negatively inflfluence species of concern. The objective of this paper is to review...
The quality of our Nation's waters: factors affecting public-supply-well vulnerability to contamination: understanding observed water quality and anticipating future water quality
Sandra M. Eberts, Mary Ann Thomas, Martha L. Jagucki
2013, Circular 1385
As part of the U.S. Geological Survey National Water-Quality Assessment (NAWQA) Program, a study was conducted from 2001 to 2011 to shed light on factors that affect the vulnerability of water from public-supply wells to contamination (referred to hereafter as “public-supply-well vulnerability”). The study was designed as a follow-up to...
Continuous resistivity profiling data from Great South Bay, Long Island, New York
V.A. Cross, J.F. Bratton, K.D. Kroeger, John Crusius, C.R. Worley
2013, Open-File Report 2011-1040
An investigation of submarine aquifers adjacent to the Fire Island National Seashore and Long Island, New York was conducted to assess the importance of submarine groundwater discharge as a potential nonpoint source of nitrogen delivery to Great South Bay. Over 200 kilometers of continuous resistivity profiling data were collected to...
Nitrous oxide emissions from cropland: a procedure for calibrating the DayCent biogeochemical model using inverse modelling
Rashad Rafique, Michael N. Fienen, Timothy B. Parkin, Robert P. Anex
2013, Water, Air, & Soil Pollution (224) 1-15
DayCent is a biogeochemical model of intermediate complexity widely used to simulate greenhouse gases (GHG), soil organic carbon and nutrients in crop, grassland, forest and savannah ecosystems. Although this model has been applied to a wide range of ecosystems, it is still typically parameterized through a traditional “trial and error”...
Bridging groundwater models and decision support with a Bayesian network
Michael N. Fienen, John P. Masterson, Nathaniel G. Plant, Benjamin T. Gutierrez, E. Robert Thieler
2013, Water Resources Research (49) 6459-6473
Resource managers need to make decisions to plan for future environmental conditions, particularly sea level rise, in the face of substantial uncertainty. Many interacting processes factor in to the decisions they face. Advances in process models and the quantification of uncertainty have made models a valuable tool for this purpose....
Correction to “Estimating the timing and location of shallow rainfall-induced landslides using a model for transient, unsaturated infiltration”
Rex L. Baum, Jonathan W. Godt
2013, Journal of Geophysical Research F: Earth Surface (118) 1999-1999
No abstract is available for this article....
An expanded map of vegetation communities at Big Muddy National Fish and Wildlife Refuge
Matthew A. Struckhoff
2013, Data Series 785
In 2012, a map of vegetation communities on Big Muddy National Fish and Wildlife Refuge was expanded based on interpretation of aerial photographs and field data. National Agricultural Imagery Program aerial photographs were used to identify distinct communities on previously unmapped refuge units and newly acquired parcels. Newly mapped polygons...
Sediment geochemistry of Corte Madera Marsh, San Francisco Bay, California: have local inputs changed, 1830-2010?
Renee K. Takesue, Bruce E. Jaffe
2013, Open-File Report 2013-1042
Large perturbations since the mid-1800s to the supply and source of sediment entering San Francisco Bay have disturbed natural processes for more than 150 years. Only recently have sediment inputs through the Sacramento-San Joaquin Delta (the Delta) decreased to what might be considered pre-disturbance levels. Declining sediment inputs to San...
Late Quaternary stream piracy and strath terrace formation along the Belle Fourche and lower Cheyenne Rivers, South Dakota and Wyoming
John F. Stamm, Robert R. Hendricks, J. Foster Sawyer, Shannon Mahan, Brent J. Zaprowski, Nicholas M. Geibel, David C. Azzolini
2013, Geomorphology (197) 10-20
Stream piracy substantially affected the geomorphic evolution of the Missouri River watershed and drainages within, including the Little Missouri, Cheyenne, Belle Fourche, Bad, and White Rivers. The ancestral Cheyenne River eroded headward in an annular pattern around the eastern and southern Black Hills and pirated the headwaters of the ancestral...
A conceptual framework for Lake Michigan coastal/nearshore ecosystems, with application to Lake Michigan Lakewide Management Plan (LaMP) objectives
Paul W. Seelbach, Lisa R. Fogarty, David Bo Bunnell, Sheridan K. Haack, Mark W. Rogers
2013, Open-File Report 2013-1138
The Lakewide Management Plans (LaMPs) within the Great Lakes region are examples of broad-scale, collaborative resource-management efforts that require a sound ecosystems approach. Yet, the LaMP process is lacking a holistic framework that allows these individual actions to be planned and understood within the broader context of the Great Lakes...
Springs, streams, and gas vent on and near Mount Adams volcano, Washington
Manuel Nathenson, Robert H. Mariner
2013, Scientific Investigations Report 2013-5097
Springs and some streams on Mount Adams volcano have been sampled for chemistry and light stable isotopes of water. Spring temperatures are generally cooler than air temperatures from weather stations at the same elevation. Spring chemistry generally reflects weathering of volcanic rock from dissolved carbon dioxide. Water in some springs...
