Forecasting an invasive species’ distribution with global distribution data, local data, and physiological information
Catherine S. Jarnevich, Nicholas E. Young, Marian Talbert, Colin Talbert
2018, Ecosphere (9) 1-12
Understanding invasive species distributions and potential invasions often requires broad‐scale information on the environmental tolerances of the species. Further, resource managers are often faced with knowing these broad‐scale relationships as well as nuanced environmental factors related to their landscape that influence where an invasive species occurs and potentially could occur....
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...
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...
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...
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...
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...
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...
Factors influencing elk recruitment across ecotypes in the Western United States
Paul M. Lukacs, Michael S. Mitchell, Mark Hebblewhite, Bruce K. Johnson, Heather E. Johnson, Matthew J. Kauffman, Kelly M. Proffitt, Peter Zager, Jedediah Brodie, Kent Hersey, A. Andrew Holland, Mark Hurley, Scott McCorquodale, Arthur Middleton, Matthew Nordhagen, J. Joshua Nowak, Daniel P. Walsh, P.J. White
2018, Journal of Wildlife Management (82) 698-710
Ungulates are key components in ecosystems and economically important for sport and subsistence harvest. Yet the relative importance of the effects of weather conditions, forage productivity, and carnivores on ungulates are not well understood. We examined changes in elk (Cervus canadensis) recruitment (indexed as age ratios) across 7 states and...
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...
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...
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...
Using regional scale flow–ecology modeling to identify catchments where fish assemblages are most vulnerable to changes in water availability
Ernie F. Hain;, Jonathan G. Kennen, Peter V. Caldwell, Stacy A.C. Nelson, Ge Sun, Steven G. McNulty
2018, Freshwater Biology (63) 928-945
Streamflow is essential for maintaining healthy aquatic ecosystems and for supporting human water supply needs. Changes in climate, land use and water use practices may alter water availability. Understanding the potential effect of these changes on aquatic ecosystems is critical for long-term water management to maintain a balance between water...
Dissipation of polyoxyethylene tallow amine (POEA) and glyphosate in an agricultural field and their co-occurrence on streambed sediments
Daniel L. Tush, Megan M. Maksimowicz, Michael T. Meyer
2018, Science of the Total Environment (636) 212-219
The environmental fate of polyoxyethylene tallow amine (POEA), an additive in glyphosate herbicide formulations, has not been studied. This study examined the dissipation of POEA; glyphosate; and aminomethylphosphonic acid (AMPA), a degradation product of glyphosate, in the top 45 cm of soil from an agricultural field where glyphosate was applied. The concentration of these compounds was also analyzed in bed sediment...
Effect of dynamical phase on the resonant interaction among tsunami edge wave modes
Eric L. Geist
2018, Pure and Applied Geophysics (175) 1341-1354
Different modes of tsunami edge waves can interact through nonlinear resonance. During this process, edge waves that have very small initial amplitude can grow to be as large or larger than the initially dominant edge wave modes. In this study, the effects of dynamical phase are established for a single...
Pedestrian evacuation modeling to reduce vehicle use for distant tsunami evacuations in Hawaiʻi
Nathan J. Wood, Jamie Jones, Jeff Peters, Kevin Richards
2018, International Journal of Disaster Risk Reduction (28) 271-283
Tsunami waves that arrive hours after generation elsewhere pose logistical challenges to emergency managers due to the perceived abundance of time and inclination of evacuees to use vehicles. We use coastal communities on the island of Oʻahu (Hawaiʻi, USA) to demonstrate regional evacuation modeling that can identify where successful pedestrian-based...
Profiles of digestive enzymes of two competing planktivores, silver carp and gizzard shad, differ
Jon Amberg, Nathan R. Jensen, Richard A. Erickson, Blake W. Sauey, Craig Jackson
2018, Ichthyological Research (65) 245-251
Typically, studies in digestive physiology in fish focus on a few enzymes and provide insight into the specific processes of the enzyme in a targeted species. Comparative studies assessing a wide number of digestive enzymes on fishes that compete for food resources are lacking, especially in the context of an...
Pharmaceutical manufacturing facility discharges can substantially increase the pharmaceutical load to U.S. wastewaters
Tia-Marie Scott, Patrick J. Phillips, Dana W. Kolpin, Kaitlyn M. Finkelstein, Edward T. Furlong, William T. Foreman, James L. Gray
2018, Science of the Total Environment (636) 69-79
Discharges from pharmaceutical manufacturing facilities (PMFs) previously have been identified as important sources of pharmaceuticals to the environment. Yet few studies are available to establish the influence of PMFs on the pharmaceutical source contribution to wastewater treatment plants (WWTPs) and waterways at the national scale. Consequently, a national network of...
Assessing the efficacy of corn-based bait containing antimycin-a to control common carp populations using laboratory and pond experiments
Joshua R. Poole, Blake W. Sauey, Jon Amberg, Przemyslaw G. Bajer
2018, Biological Invasions (20) 1809-1820
Strategic use of oral toxicants could allow for practical and sustainable control schemes for the invasive common carp (Cyprinus carpio, or ‘carp’) if a toxicant selectively targeted carp and not native species. In this study, we incorporated antimycin-a (ANT-A), a known fish toxicant, into a corn-based bait and conducted...
Reproductive success and contaminant associations in tree swallows (Tachycineta bicolor) used to assess a Beneficial Use Impairment in U.S. and Binational Great Lakes’ Areas of Concern
Christine M. Custer, Thomas W. Custer, Matthew A. Etterson, Paul M. Dummer, Diana R. Goldberg, J. Christian Franson
2018, Ecotoxicology (27) 457-476
During 2010-2014, tree swallow (Tachycineta bicolor) reproductive success was monitored at 68 sites across all 5 Great Lakes, including 58 sites located within Great Lakes Areas of Concern (AOCs) and 10 non-AOCs. Sample eggs were collected from tree swallow clutches and analyzed for contaminants including polychlorinated biphenyls (PCBs), dioxins and...
Mechanisms of wave‐driven water level variability on reef‐fringed coastlines
Mark L. Buckley, Ryan J. Lowe, Jeff E. Hansen, Ap R. van Dongeren, Curt D. Storlazzi
2018, Journal of Geophysical Research C: Oceans (123) 3811-3831
Wave‐driven water level variability (and runup at the shoreline) is a significant cause of coastal flooding induced by storms. Wave runup is challenging to predict, particularly along tropical coral reef‐fringed coastlines due to the steep bathymetric profiles and large bottom roughness generated by reef organisms, which can violate assumptions in...
Distribution and demography of San Francisco gartersnakes (Thamnophis sirtalis tetrataenia) at Mindego Ranch, Russian Ridge Open Space Preserve, San Mateo County, California
Richard Kim, Brian J. Halstead, Glenn D. Wylie, Michael L. Casazza
2018, Open-File Report 2018-1063
San Francisco gartersnakes (Thamnophis sirtalis tetrataenia) are a subspecies of common gartersnakes endemic to the San Francisco Peninsula of northern California. Because of habitat loss and collection for the pet trade, San Francisco gartersnakes were listed as endangered under the precursor to the Federal Endangered Species Act. A population...
Slow and steady wins the race? Future climate and land use change leaves the imperiled Blanding's turtle (Emydoidea blandingii) behind
Christopher M. Hamilton, Brooke L. Bateman, Jessica M. Gorzo, Brendan Reid, Wayne E. Thogmartin, M. Zachariah Peery, Patricia J. Heglund, Volker C. Radeloff, Anna M. Pidgeon
2018, Biological Conservation (222) 75-85
Climate change is accompanied by shifts in species distributions, as portions of current ranges become less suitable. Maintaining or improving landscape connectivity to facilitate species movements is a primary approach to mitigate the effects of climate change on biodiversity. However, it is not clear how ongoing changes in land use...
