Mortality investigation
Thierry M. Work
J. Christian Franson, Milton Friend, Samantha E.J. Gibbs, Margaret A. Wild, editor(s)
2015, Techniques and Methods 15-B3
Wildlife mortality events usually occur unannounced and may find management agencies unaware. These events can become highly visible and politically charged affairs, depending upon the scale or species involved. The public, media, and (or) politicians may pressure managers, field investigators, and diagnosticians to quickly identify the cause or to comment...
Introduction
Milton Friend
J. Christian Franson, Milton Friend, Samantha E.J. Gibbs, Margaret A. Wild, editor(s)
2015, Techniques and Methods 15-A1
This is the third iteration of the National Wildlife Health Center's (NWHC) field guide developed primarily to assist field managers and biologists address diseases they encounter. By itself, the first iteration, “Field Guide of Wildlife Diseases: General Field Procedures and Diseases of Migratory Birds,” was simply another addition to an...
Field Manual of Wildlife Diseases
J. Christian Franson, Milton Friend, Samantha E.J. Gibbs, Margaret A. Wild, editor(s)
2015, Techniques and Methods 15
Welcome to a new version of the “Field Manual of Wildlife Diseases.” Unlike the previous printed versions of this publication, this new version is being developed as a “living“ electronic publication. Content will periodically be added and (or) updated as warranted, and it will always be reviewed by scientific experts...
Hydrologic record extension of water-level data in the Everglades Depth Estimation Network (EDEN), 1991-99
Paul Conrads, Matthew D. Petkewich, Andrew M. O’Reilly, Pamela A. Telis
2015, Scientific Investigations Report 2014-5226
The real-time Everglades Depth Estimation Network (EDEN) has been established to support a variety of scientific and water management purposes. The expansiveness of the Everglades, limited number of gaging stations, and extreme sensitivity of the ecosystem to small changes in water depth have created a need for accurate water-level and...
Bathymetry of the Wilderness breach at Fire Island, New York, June 2013
Andrew T. Brownell, Cheryl J. Hapke, Nicholas J. Spore, Jesse E. McNinch
2015, Data Series 914
The U.S. Geological Survey (USGS) St. Petersburg Coastal and Marine Science Center in St. Petersburg, Florida, collaborated with the U.S. Army Corps of Engineers Field Research Facility in Duck, North Carolina, to collect shallow water bathymetric data of the Wilderness breach on Fire Island, New York, in June 2013. The...
Flood-inundation maps for Indian Creek and Tomahawk Creek, Johnson County, Kansas, 2014
Arin J. Peters, Seth E. Studley
2015, Scientific Investigations Report 2014-5202
Digital flood-inundation maps for a 6.4-mile upper reach of Indian Creek from College Boulevard to the confluence with Tomahawk Creek, a 3.9-mile reach of Tomahawk Creek from 127th Street to the confluence with Indian Creek, and a 1.9-mile lower reach of Indian Creek from the confluence with Tomahawk Creek to...
Digital geospatial presentation of geoelectrical and geotechnical data for the lower American River and flood plain, east Sacramento, California
Lyndsay B. Ball, Bethany L. Burton, Michael H. Powers, Theodore H. Asch
2015, Data Series 902
To characterize the extent and thickness of lithologic units that may have differing scour potential, the U.S. Geological Survey, in cooperation with the U.S. Army Corps of Engineers, has performed several geoelectrical surveys of the lower American River channel and flood plain between Cal Expo and the Rio Americano High...
A model for evaluating stream temperature response to climate change in Wisconsin
Jana S. Stewart, Stephen M. Westenbroek, Matthew G. Mitro, John D. Lyons, Leah E. Kammel, Cheryl A. Buchwald
2015, Scientific Investigations Report 2014-5186
Expected climatic changes in air temperature and precipitation patterns across the State of Wisconsin may alter future stream temperature and flow regimes. As a consequence of flow and temperature changes, the composition and distribution of fish species assemblages are expected to change. In an effort to gain a better understanding...
Landscape-level terrestrial methane flux observed from a very tall tower
Ankur R. Desai, Ke Xu, Hanqin Tian, Peter Weishampel, Jonthan Thom, Daniel D. Baumann, Arlyn E. Andrews, Bruce D. Cook, Jennifer Y. King, Randall Kolka
2015, Agricultural and Forest Meteorology (201) 61-75
Simulating the magnitude and variability of terrestrial methane sources and sinks poses a challenge to ecosystem models because the biophysical and biogeochemical processes that lead to methane emissions from terrestrial and freshwater ecosystems are, by their nature, episodic and spatially disjunct. As a consequence, model predictions of regional methane emissions...
Switching predominance of organic versus inorganic carbon exports from an intermediate-size subarctic watershed
Mark M. Dornblaser, Robert G. Striegl
2015, Geophysical Research Letters (42) 386-394
Hydrologic exports of dissolved inorganic and organic carbon (DIC, DOC) reflect permafrost conditions in arctic and subarctic river basins. DIC yields in particular, increase with decreased permafrost extent. We investigated the influence of permafrost extent on DIC and DOC yield in a tributary of the Yukon River, where the upper...
USGS compilation of geographic information system (GIS) data representing coal mines and coal-bearing areas in China
Michael H. Trippi, Harvey E. Belkin, Shifeng Dai, Susan J. Tewalt, Chiu-Jung Chou
2015, Open-File Report 2014-1219
Geographic information system (GIS) information may facilitate energy studies, which in turn provide input for energy policy decisions. The U.S. Geological Survey (USGS) has compiled geographic information system (GIS) data representing the known coal mine locations and coal-mining areas of China as of 2001. These data are now available for...
Future wave and wind projections for United States and United-States-affiliated Pacific Islands
Curt D. Storlazzi, James B. Shope, Li H. Erikson, Christine A. Hegermiller, Patrick L. Barnard
2015, Open-File Report 2015-1001
Changes in future wave climates in the tropical Pacific Ocean from global climate change are not well understood. Spatially and temporally varying waves dominate coastal morphology and ecosystem structure of the islands throughout the tropical Pacific. Waves also impact coastal infrastructure, natural and cultural resources, and coastal-related economic activities of...
Evaluating the piscicide rotenone as an option for eradication of invasive Mozambique tilapia in a Hawaiian brackish-water wetland complex
Leo Nico, Ronald A. Englund, Howard L. Jelks
2015, Management of Biological Invasions (6) 83-104
Mozambique tilapia Oreochromis mossambicus were recently discovered in ‘Aimakapā Fishpond, a 12-hectare brackish-water wetland complex in Kaloko-Honokōhau National Historical Park, on the Island of Hawai’i. As a possible eradication method, we evaluated rotenone, a natural piscicide used in fish management and the active ingredient in plants traditionally used by indigenous Hawaiians for...
Dynamics within geyser conduits, and sensitivity to environmental perturbations: insights from a periodic geyser in the El Tatio Geyser Field, Atacama Desert, Chile
Carolina Munoz-Saez, Michael Manga, Shaul Hurwitz, Maxwell L. Rudolph, Atsuko Namiki, Chi-Yuen Wang
2015, Journal of Volcanology and Geothermal Research (292) 41-55
Despite more than 200 years of scientific study, the internal dynamics of geyser systems remain poorly characterized. As a consequence, there remain fundamental questions about what processes initiate and terminate eruptions, and where eruptions begin. Over a one-week period in October 2012, we collected down-hole measurements of pressure and temperature in...
Direct measurement of asperity contact growth in quartz at hydrothermal conditions
Nicholas M. Beeler, Stephen H. Hickman
2015, Journal of Geophysical Research B: Solid Earth (120) 3599-3616
Earthquake recurrence requires interseismic fault restrengthening which results from solid state deformation in room-temperature friction and indentation experiments. In contrast exhumed fault zones show solution-transport processes such as pressure solution and contact overgrowths influence fault zone properties . In the absence of fluid flow, overgrowths are driven by gradients in...
Depth-dependent groundwater quality sampling at City of Tallahassee test well 32, Leon County, Florida, 2013
W. Scott McBride, Michael A. Wacker
2015, Open-File Report 2014-1255
Public-supply wells sometimes produce water of less than desirable quality because contaminants can migrate to the open interval of wells through preferential pathways. If these pathways can be identified, zones that produce poor quality water can be excluded during the well-construction process. The U.S. Geological Survey has developed geophysical testing...
An experimental investigation of chemical communication in the polar bear
Megan A. Owen, Ronald R. Swaisgood, C. Slocomb, Steven C. Amstrup, George M. Durner, Kristin S. Simac, Allan P. Pessier
2015, Journal of Zoology (295) 36-43
The polar bear (Ursus maritimus), with its wide-ranging movements, solitary existence and seasonal reproduction, is expected to favor chemosignaling over other communication modalities. However, the topography of its Arctic sea ice habitat is generally lacking in stationary vertical substrates routinely used for targeted scent marking in other bears. These environmental...
Convergent evolution of the genomes of marine mammals
Andrew D. Foote, Yue Liu, Gregg W.C. Thomas, Tomas Vinar, Jessica Alfoldi, Jixin Deng, Shannon Dugan, Cornelis E. van Elk, Margaret Hunter, Vandita Joshi, Ziad Khan, Christie Kovar, Sandra L. Lee, Kerstin Lindblad-Toh, Annalaura Mancia, Rasmus Nielsen, Xiang Qin, Jiaxin Qu, Brian J. Raney, Nagarjun Vijay, Jochen B. W. Wolf, Matthew W. Hahn, Donna M. Muzny, Kim C. Worley, M. Thomas P. Gilbert, Richard A. Gibbs
2015, Nature Genetics (47) 272-275
Marine mammals from different mammalian orders share several phenotypic traits adapted to the aquatic environment and therefore represent a classic example of convergent evolution. To investigate convergent evolution at the genomic level, we sequenced and performed de novo assembly of the genomes of three species of marine mammals (the killer...
Instrumenting caves to collect hydrologic and geochemical data: case study from James Cave, Virginia
Madeline E. Schreiber, Benjamin F. Schwartz, William Orndorff, Daniel H. Doctor, Sarah D. Eagle, Jonathan D. Gerst
2015, Book chapter, Advances in watershed science and assessment
Karst aquifers are productive groundwater systems, supplying approximately 25 % of the world’s drinking water. Sustainable use of this critical water supply requires information about rates of recharge to karst aquifers. The overall goal of this project is to collect long-term, high-resolution hydrologic and geochemical datasets at James Cave, Virginia,...
Determining the importance of model calibration for forecasting absolute/relative changes in streamflow from LULC and climate changes
Rewati Niraula, Thomas Meixner, Laura M. Norman
2015, Journal of Hydrology (522) 439-451
Land use/land cover (LULC) and climate changes are important drivers of change in streamflow. Assessing the impact of LULC and climate changes on streamflow is typically done with a calibrated and validated watershed model. However, there is a debate on the degree of calibration required. The objective of this study...
Occurrence and trends of selected nutrients, other chemical constituents, diatoms, and cyanobacteria in bottom sediment, Lake Maxinkuckee, northern Indiana
Kyle E. Juracek
2015, Scientific Investigations Report 2014-5199
Bottom-sediment cores collected in 2013 were used to investigate the recent and predevelopment (pre-1863) occurrence of selected nutrients (total nitrogen and total phosphorus), carbon, 39 trace elements, diatoms, cyanobacterial akinetes, and 3 radionuclides in the bottom sediment of Lake Maxinkuckee, a kettle lake in northern Indiana. Total nitrogen concentrations in...
Large-scale dam removal on the Elwha River, Washington, USA: source-to-sink sediment budget and synthesis
Jonathan A. Warrick, Jennifer A. Bountry, Amy E. East, Christopher S. Magirl, Timothy J. Randle, Guy R. Gelfenbaum, Andrew C. Ritchie, George R. Pess, Vivian Leung, Jeff J. Duda
2015, Geomorphology (246) 729-750
Understanding landscape responses to sediment supply changes constitutes a fundamental part of many problems in geomorphology, but opportunities to study such processes at field scales are rare. The phased removal of two large dams on the Elwha River, Washington, exposed 21 ± 3 million m3, or ~ 30 million tonnes (t), of sediment that had been deposited...
Shear-wave velocity and site-amplification factors for 50 Australian sites determined by the spectral analysis of surface waves method
Robert E. Kayen, Bradley A. Carkin, Trevor I. Allen, Clive Collins, Andrew McPherson, Diane L. Minasian
2015, Open-File Report 2014-1264
One-dimensional shear-wave velocity (VS ) profiles are presented at 50 strong motion sites in New South Wales and Victoria, Australia. The VS profiles are estimated with the spectral analysis of surface waves (SASW) method. The SASW method is a noninvasive method that indirectly estimates the VS at depth from variations in the Rayleigh wave phase...
Simulated runoff at many stream locations in the Methow River Basin, Washington
Mark C. Mastin
2015, Open-File Report 2015-1011
A collaborative Bureau of Reclamation-U.S. Geological Survey (USGS) team has been brought together to incorporate a conceptual geomorphic-habitat model with a process-based trophic model to understand the processes important to stream habitat for anadromous fish populations. The Methow River Basin was selected as a test basin for this hybrid geomorphic-habitat/trophic...
Spring resource phenology and timing of songbird migration across the Gulf of Mexico
Eben H. Paxton, Emily B. Cohen, Zoltan Nemeth, Theodore J. Zenzal Jr., Kristina L. Paxton, Robert H. Diehl, Frank R. Moore
2015, Studies in Avian Biology 63-82
Migratory songbirds are advancing their arrival to breeding areas in response to climatic warming at temperate latitudes. Less is understood about the impacts of climate changes outside the breeding period. Every spring, millions of migrating songbirds that overwinter in the Caribbean and Central and South America stop to rest and<br...
