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....
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...
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...
Fusing MODIS with Landsat 8 data to downscale weekly normalized difference vegetation index estimates for central Great Basin rangelands, USA
Stephen P. Boyte, Bruce K. Wylie, Matthew B. Rigge, Devendra Dahal
2018, GIScience and Remote Sensing (55) 376-399
Data fused from distinct but complementary satellite sensors mitigate tradeoffs that researchers make when selecting between spatial and temporal resolutions of remotely sensed data. We integrated data from the Moderate Resolution Imaging Spectroradiometer (MODIS) sensor aboard the Terra satellite and the Operational Land Imager sensor aboard the Landsat 8 satellite...
Landscape assessment of side channel plugs and associated cumulative side channel attrition across a large river floodplain
Ann Marie Reinhold, Geoffrey C. Poole, Robert G. Bramblett, Alexander V. Zale, David W. Roberts
2018, Environmental Monitoring and Assessment (190) 1-15
Determining the influences of anthropogenic perturbations on side channel dynamics in large rivers is important from both assessment and monitoring perspectives because side channels provide critical habitat to numerous aquatic species. Side channel extents are decreasing in large rivers worldwide. Although riprap and other linear structures have been shown to...
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...
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...
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...
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...
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...
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...
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...
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...
Temperature-influenced energetics model for migrating waterfowl
Kevin Aagaard, Wayne E. Thogmartin, Eric V. Lonsdorg
2018, Ecological Modelling (378) 46-58
Climate and weather affect avian migration by influencing when and where birds fly, the energy costs and risks of flight, and the ability to sense cues necessary for proper navigation. We review the literature of the physiology of avian migration and the influence of climate, specifically temperature, on avian migration...
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...
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...
Introduction to “Global tsunami science: Past and future, Volume III”
Alexander B. Rabinovich, Hermann M. Fritz, Yuichiro Tanioka, Eric L. Geist
2018, Pure and Applied Geophysics (175) 1231-1237
Twenty papers on the study of tsunamis are included in Volume III of the PAGEOPH topical issue “Global Tsunami Science: Past and Future”. Volume I of this topical issue was published as PAGEOPH, vol. 173, No. 12, 2016 and Volume II as PAGEOPH, vol. 174, No. 8, 2017. Two papers...
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...
Adaptive management of animal populations with significant unknowns and uncertainties: A case study
Brian D. Gerber, William L. Kendall
2018, Ecological Applications (28) 1325-1341
Conservation and management decision making in natural resources is challenging due to numerous uncertainties and unknowns, especially relating to understanding system dynamics. Adaptive resource management (ARM) is a formal process to making logical and transparent recurrent decisions when there are uncertainties about system dynamics. Despite wide recognition and calls for...
A numerical model investigation of the impacts of Hurricane Sandy on water level variability in Great South Bay, New York
Vanessa C. C. Bennett, Ryan P. Mulligan, Cheryl J. Hapke
2018, Continental Shelf Research (161) 1-11
Hurricane Sandy was a large and intense storm with high winds that caused total water levels from combined tides and storm surge to reach 4.0 m in the Atlantic Ocean and 2.5 m in Great South Bay (GSB), a back-barrier bay between Fire Island and Long Island, New York. In this study...
Assessing roadway contributions to stormwater flows, concentrations, and loads with the StreamStats application
Adam Stonewall, Gregory E. Granato, Tana Haluska
2018, Transportation Research Record (2672) 79-87
The Oregon Department of Transportation (ODOT) and other state departments of transportation need quantitative information about the percentages of different land cover categories above any given stream crossing in the state to assess and address roadway contributions to water-quality impairments and resulting total maximum daily loads. The...
