Comparative microhabitat characteristics at oviposition sites of the California red-legged frog (Rana draytonii)
Jeff A. Alvarez, David G. Cook, Julie L. Yee, Michael G. van Hattem, Darren R. Fong, Robert N. Fisher
2013, Herpetological Conservation and Biology (8) 539-551
We studied the microhabitat characteristics of 747 egg masses of the federally-threatened Rana draytonii (California red-legged frog) at eight sites in California. our study showed that a broad range of aquatic habitats are utilized by ovipositing R. draytonii, including sites with perennial and ephemeral water sources, natural and constructed wetlands,...
Seismicity of the Earth 1900-2012 Philippine Sea plate and vicinity
Gregory M. Smoczyk, Gavin P. Hayes, Michael W. Hamburger, Harley M. Benz, Antonio H. Villasenor, Kevin P. Furlong
2013, Open-File Report 2010-1083-M
The complex tectonics surrounding the Philippine Islands are dominated by the interactions of the Pacific, Sunda, and Eurasia plates with the Philippine Sea plate (PSP). The latter is unique because it is almost exclusively surrounded by zones of plate convergence. At its eastern and southeastern edges, the Pacific plate is subducted...
Land subsidence and relative sea-level rise in the southern Chesapeake Bay region
Jack Eggleston, Jason Pope
2013, Circular 1392
The southern Chesapeake Bay region is experiencing land subsidence and rising water levels due to global sea-level rise; land subsidence and rising water levels combine to cause relative sea-level rise. Land subsidence has been observed since the 1940s in the southern Chesapeake Bay region at rates of 1.1 to 4.8...
Universal reverse-transcriptase real-time PCR for infectious hematopoietic necrosis virus (IHNV)
Maureen K. Purcell, Rachel L. Thompson, Kyle A. Garver, Laura M. Hawley, William N. Batts, Laura Sprague, Corie Sampson, James R. Winton
2013, Diseases of Aquatic Organisms (2) 103-115
Infectious hematopoietic necrosis virus (IHNV) is an acute pathogen of salmonid fishes in North America, Europe and Asia and is reportable to the World Organization for Animal Health (OIE). Phylogenetic analysis has identified 5 major virus genogroups of IHNV worldwide, designated U, M, L, E and J; multiple subtypes also...
Circulation, mixing, and transport in nearshore Lake Erie in the vicinity of Villa Angela Beach and Euclid Creek, Cleveland, Ohio, September 11-12, 2012
P. Ryan Jackson
2013, Scientific Investigations Report 2013-5198
Villa Angela Beach, on the Lake Erie lakeshore near Cleveland, Ohio, is adjacent to the mouth of Euclid Creek, a small, flashy stream draining approximately 23 square miles and susceptible to periodic contamination from combined sewer overflows (CSOs) (97 and 163 CSO events in 2010 and 2011, respectively). Concerns over...
Tensor-guided fitting of subduction slab depths
Farhad Bazargani, Gavin P. Hayes
2013, Bulletin of the Seismological Society of America (103) 2657-2669
Geophysical measurements are often acquired at scattered locations in space. Therefore, interpolating or fitting the sparsely sampled data as a uniform function of space (a procedure commonly known as gridding) is a ubiquitous problem in geophysics. Most gridding methods require a model of spatial correlation for data. This spatial correlation...
Field guide to the geology of the Denali National Park Road and the Parks Highway from Cantwell to Healy
Chad P. Hults, Danny L. Capps, Phil F. Brease
2013, Book
The Denali National Park & Preserve area provides one of the few opportunities in Alaska for road-side access to good rock outcrops. The rocks and surficial deposits exposed in the Denali area span from the Paleozoic to the Quaternary. It is a structurally complex area that contains a history of...
Physiological responses of adult rainbow trout experimentally released through a unique fish conveyance device
Matthew G. Mesa, Lisa P. Gee, Lisa K. Weiland, Helena E. Christiansen
2013, North American Journal of Fisheries Management (33) 1179-1183
We assessed the physiological stress responses (i.e., plasma levels of cortisol, glucose, and lactate) of adult Rainbow Trout Oncorhynchus mykiss at selected time intervals after they had passed a distance of 15 m through a unique fish conveyance device (treatment fish) or not (controls). This device differs from traditional fish...
Spatio-temporal variability in movement, age, and growth of mountain whitefish (Prosopium williamsoni) in a river network based upon PIT tagging and otolith chemistry
Joseph R. Benjamin, Lisa A. Wetzel, Kyle D. Martens, Kimberly Larsen, Patrick J. Connolly
2013, Canadian Journal of Fisheries and Aquatic Sciences (70) 1-10
Connectivity of river networks and the movements among habitats can be critical for the life history of many fish species, and understanding of the patterns of movement is central to managing populations, communities, and the landscapes they use. We combined passive integrated transponder tagging over 4 years and strontium isotopes...
The impact of small irrigation diversion dams on the recent migration rates of steelhead and redband trout (Oncorhynchus mykiss)
Dana E. Weigel, Patrick J. Connolly, Madison S. Powell
2013, Conservation Genetics (14) 1255-1267
Barriers to migration are numerous in stream environments and can occur from anthropogenic activities (such as dams and culverts) or natural processes (such as log jams or dams constructed by beaver (Castor canadensis)). Identification of barriers can be difficult when obstructions are temporary or incomplete providing passage periodically. We...
The National assessment of shoreline shange—A GIS compilation of vector shorelines and associated shoreline change data for the Pacific Northwest coast
Meredith G. Kratzmann, Emily A. Himmelstoss, Peter Ruggiero, E. Robert Thieler, David Reid
2013, Open-File Report 2012-1008
Sandy ocean beaches are a popular recreational destination and are often surrounded by communities that consist of valuable real estate. Development along sandy coastal areas is increasing despite the fact that coastal infrastructure may be repeatedly subjected to flooding and erosion. As a result, the demand for accurate information regarding...
National assessment of shoreline change: historical shoreline change along the Pacific Northwest coast
Peter Ruggerio, Meredith G. Kratzmann, Emily A. Himmelstoss, David Reid, Jonathan Allan, George Kaminsky
2013, Open-File Report 2012-1007
Beach erosion is a chronic problem along most open ocean shores of the United States. As coastal populations continue to increase and infrastructure is threatened by erosion, there is increased demand for accurate information regarding past and present trends and rates of shoreline movement. There is also a need for...
Satellite images of the September 2013 flood event in Lyons, Colorado
Christopher J. Cole, Beverly A. Friesen, Stanley Wilds, Suzanne Noble, Harumi Warner, Earl M. Wilson
2013, Open-File Report 2013-1286
The U.S. Geological Survey (USGS) Special Applications Science Center (SASC) produced an image base map showing high-resolution remotely sensed data over Lyons, Colorado—a city that was severely affected by the flood event that occurred throughout much of the Colorado Front Range in September of 2013. The 0.5-meter WorldView-2 data products...
Sediment transport and deposition in the lower Missouri River during the 2011 flood
Jason S. Alexander, Robert B. Jacobson, David L. Rus
2013, Professional Paper 1798-F
Floodwater in the Missouri River in 2011 originated in upper-basin regions and tributaries, and then travelled through a series of large flood-control reservoirs, setting records for total runoff volume entering all six Missouri River main-stem reservoirs. The flooding lasted as long as 3 months. The U.S Geological Survey (USGS) examined...
Geomorphic and vegetation processes of the Willamette River floodplain, Oregon: current understanding and unanswered science questions
J. Rose Wallick, Krista L. Jones, Jim E. O'Connor, Mackenzie K. Keith, David Hulse, Stanley V. Gregory
2013, Open-File Report 2013-1246
This report summarizes the current understanding of floodplain processes and landforms for the Willamette River and its major tributaries. The area of focus encompasses the main stem Willamette River above Newberg and the portions of the Coast Fork Willamette, Middle Fork Willamette, McKenzie, and North, South and main stem Santiam...
Detections, concentrations, and distributional patterns of compounds of emerging concern in the San Antonio River Basin, Texas, 2011-12
Stephen P. Opsahl, Rebecca B. Lambert
2013, Scientific Investigations Report 2013-5200
During 2011–12, the U.S. Geological Survey, in cooperation with the San Antonio River Authority, evaluated detections, concentrations, and distributional patterns of selected compounds of emerging concern (hereinafter referred to as “CECs”) from water-quality samples (hereinafter referred to as “samples”) collected at a total of 20 sampling sites distributed throughout the...
Estimation of traveltime and longitudinal dispersion in streams in West Virginia
Jeffrey B. Wiley, Terence Messinger
2013, Scientific Investigations Report 2013-5182
Traveltime and dispersion data are important for understanding and responding to spills of contaminants in waterways. The U.S. Geological Survey (USGS), in cooperation with West Virginia Bureau for Public Health, Office of Environmental Health Services, compiled and evaluated traveltime and longitudinal dispersion data representative of many West Virginia waterways. Traveltime...
GWM-VI: groundwater management with parallel processing for multiple MODFLOW versions
Edward R. Banta, David P. Ahlfeld
2013, Techniques and Methods 6-A48
Groundwater Management–Version Independent (GWM–VI) is a new version of the Groundwater Management Process of MODFLOW. The Groundwater Management Process couples groundwater-flow simulation with a capability to optimize stresses on the simulated aquifer based on an objective function and constraints imposed on stresses and aquifer state. GWM–VI extends prior versions of...
Loess origin, transport, and deposition over the past 10,000 years, Wrangell-St. Elias National Park, Alaska
Daniel R. Muhs, James R. Budahn, John P. McGeehin, E. Arthur Bettis III, Gary L. Skipp, James B. Paces, Elisabeth A. Wheeler
2013, Aeolian Research (11) 85-99
Contemporary glaciogenic dust has not received much attention, because most research has been on glaciogenic dust of the last glacial period or non-glaciogenic dust of the present interglacial period. Nevertheless, dust from modern glaciogenic sources may be important for Fe inputs to primary producers in the ocean. Adjacent to the...
Bathymetry and acoustic backscatter: Estero Bay, California
Stephen R. Hartwell, David P. Finlayson, Peter Dartnell, Samuel Y. Johnson
2013, Open-File Report 2013-1225
Between July 30 and August 9, 2012, scientists from the U.S. Geological Survey (USGS), Pacific Coastal and Marine Science Center (PCMSC), acquired bathymetry and acoustic-backscatter data from Estero Bay, San Luis Obispo, California, under PCMSC Field Activity ID S-05-12-SC. The survey was done using the R/V Parke Snavely outfitted with a...
Streamflow monitoring and statistics for development of water rights claims for Wild and Scenic Rivers, Owyhee Canyonlands Wilderness, Idaho, 2012
Molly S. Wood, Ryan L. Fosness
2013, Scientific Investigations Report 2013-5212
The U.S. Geological Survey, in cooperation with the Bureau of Land Management (BLM), collected streamflow data in 2012 and estimated streamflow statistics for stream segments designated "Wild," "Scenic," or "Recreational" under the National Wild and Scenic Rivers System in the Owyhee Canyonlands Wilderness in southwestern Idaho. The streamflow statistics were...
Trichinosis
William J. Foreyt, Rachel C. Abbott, Charles van Riper III
2013, Circular 1388
Trichinosis, or trichinellosis, is one of the most widespread global parasitic diseases of humans and animals. This ancient disease is caused by the larval stage of parasitic roundworms (nematodes) in the genus Trichinella. Often called the “trichina worm,” this parasite is considered to be the king of the parasite community,...
Common and distinguishing features of the bacterial and fungal communities in biological soil crusts and shrub root zone soils
Blaire Steven, La Verne Gallegos-Graves, Chris Yeager, Jayne Belnap, Cheryl R. Kuske
2013, Soil Biology and Biochemistry (69) 302-312
Soil microbial communities in dryland ecosystems play important roles as root associates of the widely spaced plants and as the dominant members of biological soil crusts (biocrusts) colonizing the plant interspaces. We employed rRNA gene sequencing (bacterial 16S/fungal large subunit) and shotgun metagenomic sequencing to compare the microbial communities inhabiting...
Sexual dimorphism and feeding ecology of Diamond-backed Terrapins (Malaclemys terrapin)
Elizabeth B. Underwood, Sarah Bowers, Jacquelyn C. Guzy, Jeffrey E. Lovich, Carole A. Taylor, J. Whitfield Gibbons, Michael E. Dorcas
2013, Herpetologica (69) 397-404
Natural and sexual selection are frequently invoked as causes of sexual size dimorphism in animals. Many species of turtles, including the Diamond-backed Terrapin (Malaclemys terrapin), exhibit sexual dimorphism in body size, possibly enabling the sexes to exploit different resources and reduce intraspecific competition. Female terrapins not only have larger body...
Integrated carbon budget models for the Everglades terrestrial-coastal-oceanic gradient: Current status and needs for inter-site comparisons
Tiffany G. Troxler, Evelyn Gaiser, Jordan Barr, Jose D. Fuentes, Rudolf Jaffe, Daniel L. Childers, Ligia Collado-Vides, Victor H. Rivera-Monroy, Edward Castañeda-Moya, William Anderson, Randy Chambers, Meilian Chen, Carlos Coronado-Molina, Stephen E. Davis, Victor C. Engel, Carl Fitz, James Fourqurean, Tom Frankovich, John Kominoski, Chris Madden, Sparkle L. Malone, Steve F. Oberbauer, Paulo Olivas, Jennifer Richards, Colin Saunders, Jessica Schedlbauer, Leonard J. Scinto, Fred Sklar, Thomas J. Smith III, Joseph M. Smoak, Gregory Starr, Robert Twilley, Kevin Whelan
2013, Oceanography (26) 98-107
Recent studies suggest that coastal ecosystems can bury significantly more C than tropical forests, indicating that continued coastal development and exposure to sea level rise and storms will have global biogeochemical consequences. The Florida Coastal Everglades Long Term Ecological Research (FCE LTER) site provides an excellent subtropical system for examining...
