Demographic response of Louisiana Waterthrush, a stream obligate songbird of conservation concern, to shale gas development
Mack W. Frantz, Petra B. Wood, James Sheehan, Gregory George
2018, Condor (120) 265-282
Shale gas development continues to outpace the implementation of best management practices for wildlife affected by development. We examined demographic responses of the Louisiana Waterthrush (Parkesia motacilla) to shale gas development during 2009–2011 and 2013–2015 in a predominantly forested landscape in West Virginia, USA. Forest cover across the study area...
Deformation of the Pacific/North America plate boundary at Queen Charlotte Fault: The possible role of rheology
Uri S. ten Brink, Nathaniel C. Miller, Brian D. Andrews, Daniel S. Brothers, Peter J. Haeussler
2018, Journal of Geophysical Research B: Solid Earth (123) 4223-4242
The Pacific/North America (PA/NA) plate boundary between Vancouver Island and Alaska is similar to the PA/NA boundary in California in its kinematic history and the rate and azimuth of current relative motion, yet their deformation styles are distinct. The California plate boundary shows a broad zone of parallel strike slip...
Rivers are social–ecological systems: Time to integrate human dimensions into riverscape ecology and management
Jason B. Dunham, Paul L. Angermeier, Shelley D. Crausbay, Amanda E. Cravens, Hannah Gosnell, Jamie McEvoy, Max A. Moritz, Nejem Raheem, Todd Sanford
2018, WIREs Water (5) 1-10
Incorporation of concepts from landscape ecology into understanding and managing riverine ecosystems has become widely known as riverscape ecology. Riverscape ecology emphasizes interactions among processes at different scales and their consequences for valued ecosystem components, such as riverine fishes. Past studies have focused strongly on understanding the ecological processes in...
Response of moose to a high‐density road network
David W. Wattles, Katherine A. Zeller, Stephen DeStefano
2018, Journal of Wildlife Management (82) 929-939
Road networks and the disturbance associated with vehicle traffic alter animal behavior, movements, and habitat selection. The response of moose (Alces americanus) to roads has been documented in relatively rural areas, but less is known about moose response to roads in more highly roaded landscapes. We examined road‐crossing frequencies and...
Energetic fitness: Field metabolic rates assessed via 3D accelerometry complement conventional fitness metrics
David Gremillet, Amelie Lescroel, Grant Ballard, Katie M. Dugger, Melanie Massaro, Elizabeth L. Porzig, David G. Ainley
2018, Functional Ecology (32) 1203-1213
Evaluating the fitness of organisms is an essential step towards understanding their responses to environmental change. Connections between energy expenditure and fitness have been postulated for nearly a century. However, testing this premise among wild animals is constrained by difficulties in measuring energy expenditure while simultaneously monitoring conventional fitness...
Quantifying salinity and season effects on eastern oyster clearance and oxygen consumption rates
S.M. Casas, Romain Lavaud, Megan K. LaPeyre, L. A. Comeau, R. Filgueira, Jerome F. LaPeyre
2018, Marine Biology (165) 1-13
There are few data on Crassostrea virginica physiological rates across the range of salinities and temperatures to which they are regularly exposed, and this limits the applicability of growth and production models using these data. The objectives of this study were to quantify, in winter (17 °C) and summer (27 °C), the...
Irrigated agriculture and future climate change effects on groundwater recharge, northern High Plains aquifer, USA
Zachary H. Lauffenburger, Jason J. Gurdak, Christopher M. Hobza, Duane Woodward, Cassandra Wolf
2018, Agricultural Water Management (204) 69-80
Understanding the controls of agriculture and climate change on recharge rates is critically important to develop appropriate sustainable management plans for groundwater resources and coupled irrigated agricultural systems. In this study, several physical (total potential (ψT) time series) and chemical tracer and dating (3H, Cl−, Br−, CFCs, SF6, and 3H/3He) methods...
Seasonal food habits of introduced blue catfish in Lake Oconee, Georgia
Cecil A. Jennings, Geoffrey E. Mitchell, Chris Nelson
2018, Journal of the Southeastern Association of Fish and Wildlife Agencies (5) 39-45
Blue catfish (Ictalurus furcatus) are native to the Coosa River drainage in northwest Georgia but have been widely introduced outside of this range including Lake Oconee, a 7677-ha impoundment on the Oconee River in central Georgia. Blue catfish abundance and growth rates have increased dramatically since their introduction in Lake...
Fitting N-mixture models to count data with unmodeled heterogeneity: Bias, diagnostics, and alternative approaches
Adam Duarte, M. J. Adams, James T. Peterson
2018, Ecological Modelling (374) 51-59
Monitoring animal populations is central to wildlife and fisheries management, and the use of N-mixture models toward these efforts has markedly increased in recent years. Nevertheless, relatively little work has evaluated estimator performance when basic assumptions are violated. Moreover, diagnostics to identify when bias in parameter estimates from N-mixture models...
Discharge, sediment, and water chemistry in Clear Creek, western Nevada, water years 2013–16
Jena M. Huntington, Daniel J. Riddle, Angela P. Paul
2018, Scientific Investigations Report 2018-5050
Clear Creek is a small stream that drains the eastern Carson Range near Lake Tahoe, flows roughly parallel to the Highway 50 corridor, and discharges to the Carson River near Carson City, Nevada. Historical and ongoing development in the drainage basin is thought to be affecting Clear Creek and...
Taiga bean goose: Harvest assessment for the Central Management Unit: 2018
Fred A. Johnson, Gitte Hoj Jensen, Mikko Alhainen, Anthony D. Fox, Jesper Madsen
2018, Report
In 2016 the European Goose Management International Working Group (EGM IWG) began development of an adaptive harvest management program for Taiga Bean Geese (TBG). In 2017, the EGM IWG adopted an interim harvest strategy consisting of a constant harvest rate (on adults) of 3% for the Central Management of Taiga...
Adaptive harvest management for the Svalbard population of pink-footed geese: 2018 progress summary
Fred A. Johnson, Gitte Hoj Jensen, Kevin K. Clausen, Jesper Madsen
2018, Report
This report describes progress on development and implementation of an adaptive harvest management program for maintaining the Svalbard population of Pink-footed Geese (Anser brachyrhynchus) near their target level (60,000) by providing sustainable harvests in Norway and Denmark. Specifically, this report provides an assessment of recent monitoring information and its implications...
Molecular and morphometric analyses reveal cryptic diversity within freshwater mussels (Bivalvia: Unionidae) of the western Gulf coastal drainages of the USA
Anna M. Pieri, Kentaro Inoue, Nathan A. Johnson, Chase H. Smith, John L. Harris, Clint Robertson, Charles R. Randklev
2018, Biological Journal of the Linnean Society (124) 261-277
Past geological processes and climate change affected current species distributions and the genetic structure of riverine fauna. Western Gulf of Mexico coastal rivers harbour four mussel species within the genus Fusconaia(Bivalvia: Unionida). The distributions of these species are unclear owing to their indistinguishable shell morphologies. Using molecular phylogenetic and Fourier morphometric...
Assessment of undiscovered oil and gas resources of the Susitna Basin, southern Alaska, 2017
Richard G. Stanley, Christopher J. Potter, Kristen A. Lewis, Paul G. Lillis, Anjana K. Shah, Peter J. Haeussler, Jeffrey D. Phillips, Zenon C. Valin, Christopher J. Schenk, Timothy R. Klett, Michael E. Brownfield, Ronald M. Drake II, Thomas M. Finn, Seth S. Haines, Debra K. Higley, David W. Houseknecht, Phuong A. Le, Kristen R. Marra, Tracey J. Mercier, Heidi M. Leathers-Miller, Stanley T. Paxton, Ofori N. Pearson, Marilyn E. Tennyson, Cheryl A. Woodall, Margarita V. Zyrianova
2018, Fact Sheet 2018-3017
The U.S. Geological Survey (USGS) recently completed an assessment of undiscovered, technically recoverable oil and gas resources in the Susitna Basin of southern Alaska. Using a geology-based methodology, the USGS estimates that mean undiscovered volumes of about 2 million barrels of oil and nearly 1.7 trillion cubic feet of gas...
Method to characterize inorganic particulates in lung tissue biopsies using field emission scanning electron microscopy
Heather A. Lowers, George N. Breit, Matthew Strand, Renee M. Pillers, Gregory P. Meeker, Todor I. Todorov, Geoffrey S. Plumlee, Ruth E. Wolf, Maura Robinson, Jane Parr, Robert J. Miller, Steve Groshong, Francis Green, Cecile Rose
2018, Toxicology Mechanisms and Methods (28) 475-487
Humans accumulate large numbers of inorganic particles in their lungs over a lifetime. Whether this causes or contributes to debilitating disease over a normal lifespan depends on the type and concentration of the particles. We developed and tested a protocol for in situ characterization of the types and distribution of inorganic particles...
Estimation of unregulated monthly, annual, and peak streamflows in Forest City Stream and lake levels in East Grand Lake, United States-Canada border between Maine and New Brunswick
Pamela J. Lombard
2018, Scientific Investigations Report 2018-5044
The U.S. Geological Survey, in cooperation with the International Joint Commission, compiled historical data on regulated streamflows and lake levels and estimated unregulated streamflows and lake levels on Forest City Stream at Forest City, Maine, and East Grand Lake on the United States-Canada border between Maine and New Brunswick to...
Diet of burbot and implications for sampling
Kathryn E. McBaine, Zachary B. Klein, Michael C. Quist, Darren T. Rhea
2018, Intermountain Journal of Sciences (24) 1-13
Burbot (Lota lota) are an apex piscivore that were illegally introduced to the Green River drainage, Wyoming, raising concerns for the conservation and management of fishes throughout the basin. However, relatively little is known about the diet of non-native burbot. The objectives of this research were to characterize diet composition...
Reproductive frequency and size-dependence of fecundity in the Giant Gartersnake (Thamnophis gigas)
Jonathan P. Rose, Julia Ersan, Glenn D. Wylie, Michael L. Casazza, Brian J. Halstead
2018, Herpetological Conservation and Biology (13) 80-90
How reproductive output changes with age or size is a key life-history trait that can affect which demographic rates most influence population growth. Although many studies have investigated the reproductive ecology of gartersnakes, we know little about reproduction in the threatened Giant Gartersnake, Thamnophis gigas. We used X-radiography to determine reproductive status and...
Biology and impacts of Pacific Islands invasive species. 14. Sus scrofa the feral pig (Artiodactyla: Suidae)
Nathaniel H. Wehr, Steven C. Hess, Creighton M. Litton
2018, Pacific Science (72) 177-198
Feral pigs (Sus scrofa L.) are perhaps the most abundant, widespread, and economically significant large introduced vertebrate across the Pacific island region. Unlike many other nonnative invasive species, feral pigs have both cultural and recreational importance in the region, complicating their management. Today, Pacific island feral pigs are a mixture of...
Associations between urban sprawl and life expectancy in the United States
Shima Hamidi, Reid Ewing, Zaria Tatalovich, James B. Grace, David Berrigan
2018, International Journal of Environmental Research and Public Health (15) 1-11
In recent years, the United States has had a relatively poor performance with respect to life expectancy compared to the other developed nations. Urban sprawl is one of the potential causes of the high rate of mortality in the United States. This study investigated cross-sectional associations between sprawl and life...
The widespread influence of Great Lakes microseisms across the United States revealed by the 2014 polar vortex
Robert Anthony, Adam T. Ringler, David C. Wilson
2018, Geophysical Research Letters (45) 3436-3444
During the winter of 2014, a weak polar vortex brought record cold temperatures to the north‐central (“Midwest”) United States, and the Great Lakes reached the highest extent of ice coverage (92.5%) since 1979. This event shut down the generation of seismic signals caused by wind‐driven wave action within the lakes...
Laboratory observations of artificial sand and oil agglomerates
Robert L. Jenkins III, P. Soupy Dalyander, Allison Penko, Joseph W. Long
2018, Open-File Report 2018-1010
Sand and oil agglomerates (SOAs) form when weathered oil reaches the surf zone and combines with suspended sediments. The presence of large SOAs in the form of thick mats (up to 10 centimeters [cm] in height and up to 10 square meters [m2] in area) and smaller SOAs, sometimes referred...
A metabolism-based whole lake eutrophication model to estimate the magnitude and time scales of the effects of restoration in Upper Klamath Lake, south-central Oregon
Susan A. Wherry, Tamara M. Wood
2018, Scientific Investigations Report 2018-5042
A whole lake eutrophication (WLE) model approach for phosphorus and cyanobacterial biomass in Upper Klamath Lake, south-central Oregon, is presented here. The model is a successor to a previous model developed to inform a Total Maximum Daily Load (TMDL) for phosphorus in the lake, but is based on net...
Measurements of erosion potential using Gust chamber in Yolo Bypass near Sacramento, California
Paul A. Work, David H. Schoellhamer
2018, Open-File Report 2018-1062
This report describes work performed to quantify the erodibility of surface soils in the Yolo Bypass (Bypass) near Sacramento, California, for use in the California Department of Water Resources (DWR) Yolo Bypass D-MCM mercury model. The Bypass, when not serving as a floodway, is heavily utilized for agriculture. During flood events, surface water flows over the...
Modeling and simulation of emergent behavior in transportation infrastructure restoration
Akhilesh Ojha, Steven Corns, Thomas G. Shoberg, Ruwen Qin, Suzanna K. Long
2018, Book chapter, Emergent behavior in complex systems engineering: A modeling and simulation approach
The objective of this chapter is to create a methodology to model the emergent behavior during a disruption in the transportation system and that calculates economic losses due to such a disruption, and to understand how an extreme event affects the road transportation network. The chapter discusses a system dynamics...
