Waterfowl spring migratory behavior and avian influenza transmission risk in the changing landscape of the East Asian-Australasian Flyway
Jeffery D. Sullivan, John Y. Takekawa, Kyle A. Spragens, Scott H. Newman, Xiangming Xiao, Paul J. Leader, Bena Smith, Diann J. Prosser
2018, Frontiers in Ecology and Evolution (6) 1-14
Avian influenza has advanced from a regional concern to a global health issue with significant economic, trade, and public health implications. Wild birds, particularly waterfowl (Anseriformes), are known reservoirs for low-pathogenic avian influenza viruses (AIV) and recent studies have shown their potential in the spread of highly pathogenic forms of...
Rising tides: Assessing habitat vulnerability for an endangered salt marsh-dependent species with sea-level rise
Jordan A. Rosencranz, Karen M. Thorne, Kevin Buffington, Cory T. Overton, John Takekawa, Michael L. Casazza, Jennifer McBroom, Julian K. Wood, Nadav Nur, Richard L. Zembal, Glen M. MacDonald, Richard F. Ambrose
2018, Wetlands (39) 1-16
Salt marsh-dependent species are vulnerable to impacts of sea-level rise (SLR). Site-specific differences in ecogeomorphic processes result in different SLR vulnerabilities. SLR impacts to Ridgway’s rail (Rallus obsoletus) of Southern California (SC) and San Francisco Bay (SF), U.S.A. could foreshadow SLR effects on other coastal endemic species. Salt...
Potential effects of GPS transmitters on greater sage-grouse survival in a post-fire landscape
Lee J. Foster, Katie Dugger, Christian A. Hagen, David A. Budeau
2018, Wildlife Biology (2018)
Rigorous monitoring and evaluation of wildlife population performance because of management or disturbance often relies upon the handling and marking of animals. Such studies must assume that marking animals does not affect their behavior or demography. We examined survival of greater sage-grouse Centrocercus urophasianus post wildfire in southeastern Oregon, USA. We observed...
Twenty-nine years of population dynamics in a small-bodied montane amphibian
Erin L. Muths, R D Scherer, S M Amburgey, PS Corn
2018, Ecosphere (9)
Identifying population declines before they reach crisis proportions is imperative given the current global decline in vertebrate fauna and associated challenges and expense of recovery. Understanding life histories and how the environment influences demography are critical aspects of this challenge, as is determining the biological relevance of covariates that are...
North Atlantic midlatitude surface-circulation changes through the Plio-Pleistocene intensification of northern hemisphere glaciation
Clara T. Bolton, Ian Bailey, Oliver Friedrich, Kazuyo Tachikawa, Thibault de Garidel-Thoron, Laurence Vidal, Corinne Sonzogni, Gianluca Marino, Eelco J. Rohling, Marci M. Robinson, Magali Ermini, Mirjam Koch, Matthew J. Cooper, Paul A. Wilson
2018, Paleoceanography and Paleoclimatology (33) 1186-1205
The North Atlantic Current (NAC) transports warm salty water to high northern latitudes, with important repercussions for ocean circulation and global climate. A southward displacement of the NAC and Subarctic Front, which separate subpolar and subtropical water masses, is widely suggested for the Last Glacial Maximum (LGM) and may have...
Geologic map of the central Beaverhead Mountains, Lemhi County, Idaho, and Beaverhead County, Montana
Karen Lund
2018, Scientific Investigations Map 3413
This geologic map of the central Beaverhead Mountains portrays a complex geologic history of depositional basin development interspersed with deformational events. Generalized geology for young basins, compiled from sources on both sides of the range, is combined with newly mapped bedrock geology to better integrate geologic development of the map...
Prioritization framework for ranking riverine ecosystem stressors using example sites from the Tualatin River Basin, Oregon
Steven Sobieszczyk, Krista L. Jones, Stewart A. Rounds, Elena B. Nilsen, Jennifer L. Morace
2018, Scientific Investigations Report 2018-5153
As human populations increase, so does their influence over the environment. Altered terrain, degraded water quality, and threatened or endangered species are all-too-common consequences of a growing anthropogenic influence on the landscape. To help manage these effects, researchers have developed new ways to characterize current environmental conditions and help...
Status and Trends in the Lake Superior Fish Community, 2017
Mark Vinson, Lori M. Evrard, Owen T. Gorman, Daniel Yule
2018, Book chapter, Complied reports to the Great Lakes Fishery Commission of the annual bottom trawl and acoustics surveys, 2017
In 2017, the Lake Superior fish community was sampled with daytime bottom trawls at 76 nearshore and 36 offshore stations. Spring nearshore and summer offshore water temperatures in 2017 were similar to slightly cooler than the 1991-2017 average. In the nearshore zone, a total of 28,902 individual fish from 27...
Flood-inundation maps for the Salamonie River at Portland, Indiana
Kellan R. Strauch
2018, Scientific Investigations Report 2018-5132
Digital flood-inundation maps for a 6.5-mile reach of the Salamonie River at Portland, Indiana, were created by the U.S. Geological Survey (USGS) in cooperation with the Indiana Department of Transportation. The flood-inundation maps, which can be accessed through the USGS Flood Inundation Mapping Science website at https://water.usgs.gov/osw/flood_inundation/, depict...
Size-structured habitat selection by arapaima in floodplain lakes of the lower Amazon
Paul L. Angermeier, Jordan C. Richard, Leandro Castello, Daniel J. Gurdak, Brandon K. Peoples
2018, Aquatic Conservation: Marine and Freshwater Ecosystems (28) 1403-1413
Human modification of floodplain ecosystems is widespread and a major threat to fish populations, particularly in the tropics where fish diversity and rates of floodplain degradation are high. Identifying measures to minimize the susceptibility of floodplain fishes to habitat modification requires understanding dry-season lake habitat selection for species of...
Prairie reconstruction unpredictability and complexity: What is the rate of reconstruction failures?
Jack E. Norland, Cami S. Dixon, Diane L. Larson, Kristine L. Askerooth, Benjamin A. Geaumont
2018, Ecological Restoration (36) 263-266
The outcomes of prairie reconstructions are subject to both unpredictability and complexity. Prairie, tallgrass, and mixed grass reconstruction is defined as the planting of a native herbaceous seed mixture composed of multiple prairie species (10 or more) in an area where the land has been heavily cultivated or anthropogenically disturbed....
Simulating the evolution of fluid underpressures in the Great Plains, by incorporation of tectonic uplift and tilting, with a groundwater flow model
Amjad M. J. Umari, Philip H. Nelson, Gary D. Lecain
2018, Geofluids (2018) 1-30
Underpressures (subhydrostatic heads) in the Paleozoic units underlying the Great Plains of North America are a consequence of Cenozoic uplift of the area. Based on tectonostratigraphic data, we have developed a cumulative uplift history with superimposed periods of deposition and erosion for the Great Plains for the period from 40 Ma...
Resolving the status of the genera Gastrophysus and Geneion in the family Tetraodontidae (Teleostei: Tetraodontiformes)
Howard L. Jelks
2018, Zootaxa (4532) 288-292
Maintaining a current list of valid names and taxonomy for biodiversity is an ever-increasing challenge for the Integrated Taxonomic Information System (ITIS 2017). Advances in molecular techniques and the discovery of many cryptic taxa have dramatically increased the number of species and resulted in revised interpretation of phylogenetic relationships. Occasionally...
Estimating the societal benefits of carbon dioxide sequestration through peatland restoration
Emily Pindilli, Rachel Sleeter, Dianna M. Hogan
2018, Ecological Economics (154) 145-155
The Great Dismal Swamp National Wildlife Refuge (GDS) is a forested peatland that provides a number of ecosystem services including carbon (C) sequestration. We modeled and analyzed the potential capacity of the GDS to sequester C under four management scenarios: no management, no management with catastrophic fire, current management, and...
Post‐release predation mortality of age‐0 hatchery‐reared Chinook salmon from non‐native smallmouth bass in the Snake River
John M. Erhardt, Kenneth F. Tiffan
2018, Fisheries Management and Ecology (25) 474-487
Release of age‐0 hatchery‐reared fall Chinook salmon, Oncorhynchus tshawytscha(Walbaum), in the Snake River resulted in up to 30‐fold increases in salmon consumption by non‐native smallmouth bass, Micropterus dolomieu Lacepѐde. In an upper river reach, smallmouth bass fed intensively during a release in May, but Chinook salmon consumption returned to pre‐release levels within 1–2 days...
A diverse suite of pharmaceuticals contaminates stream and riparian food webs
Erinn K. Richmond, Emma J. Rosi, David M. Walters, Jerker Fikk, Stephen K. Hamilton, Tomas Brodin, Anna Sundelin, Michael R. Grace
2018, Nature Communications (9) 1-9
A multitude of biologically active pharmaceuticals contaminate surface waters globally, yet their presence in aquatic food webs remain largely unknown. Here, we show that over 60 pharmaceutical compounds can be detected in aquatic invertebrates and riparian spiders in six streams near Melbourne, Australia. Similar concentrations in aquatic invertebrate larvae and...
Trace element characterisation of MAD‐559 zircon reference material for ion microprobe analysis
Matthew A. Coble, Jorge A. Vazquez, Andrew P. Barth, Joseph L. Wooden, Dale Burns, Andrew R. C. Kylander-Clark, Simon Jackson, Cara E. Vennari
2018, Geostandards and Geoanalytical Research (42) 481-497
We document the composition of a natural zircon gemstone sourced from Madagascar, MAD‐559 – a new reference material for calibrating trace element mass fractions in zircon measured by SIMS. The composition of MAD‐559 was quantified by calibration relative to the well‐documented zircon reference material 91500, for which we compiled existing...
Global Earthquake Model (GEM) Risk Map
V. Silva, D. Amo-Oduro, A. Calderon, J. Dabbeek, V. Despotaki, L. Martins, A. Rao, M. Simionato, D. Vigano, C. Yepes, A. Acevedo, H. Crowley, Nick Horspool, Kishor S. Jaiswal, M. Journeay, M. Pittore
2018, Report
The Global Earthquake Risk Map (v2018.1) comprises four global maps. The main map presents the geographic distribution of average annual loss (USD) normalized by the average construction costs of the respective country (USD/m2 due to ground shaking in the residential, commercial and industrial building stock, considering contents,...
Consequences of abrading bed load on vertical and lateral bedrock erosion in a curved experimental channel
Jagriti Mishra, Takuya Inoue, Yasuyuki Shimizu, Tamaki Sumner, Jonathan M. Nelson
2018, Journal of Geophysical Research F: Earth Surface (123) 3147-3161
In this study, we conducted multiple physical experiments to estimate the efficacy and spatial pattern of erosion by abrading sediment moving through a simple U‐shaped channel bend with erodible bed and banks. The experiments showed that in the bend, lateral abrasion followed a monotonically increasing linear relationship with sediment feed...
Prevalence and risk factors of Trichomonas gallinae and trichomonosis in golden eagle (Aquila chrysaetos) nestlings in western North America
Benjamin M Dudek, Michael N. Kochert, Joseph G. Barnes, Peter H. Bloom, Joseph M. Papp, Richard W. Gerhold, Kathryn E. Purple, Kenneth V. Jacobson, Charles R. Preston, Chris R. Vennum, James W. Watson, Julie A. Heath
2018, Journal of Wildlife Diseases (54) 755-764
Avian trichomonosis, caused by the protozoan Trichomonas gallinae, affects bird-eating raptors worldwide. Raptors can develop trichomonosis by feeding on infected prey, particularly Rock Pigeons (Columba livia), which are a reservoir for T. gallinae. Raptors may be particularly vulnerable to T. gallinae infection in degraded habitats, where changes in resources may cause raptors to switch...
No flood effect on recruitment of a small Louisiana black bear population
Joseph D. Clark, Kaitlin C. O’Connell-Goode, Carrie L. Lowe, Sean M. Murphy, Sutton C. Maehr, Maria M. Davidson, Jared S. Laufenberg
2018, Journal of Wildlife Management (82) 566-572
A flood event in 2011 had minor impacts on apparent survival and movement probabilities of a small, isolated population of Louisiana black bears (Ursus americanus luteolus) in the Upper Atchafalaya River Basin, Louisiana, USA. However, the potential effects of the flood on recruitment of juveniles into the population, then listed...
How or when samples are collected affects measured arsenic concentration in new drinking water wells
Melinda L. Erickson, Helen F. Malenda, Emily C. Berquist
2018, Groundwater (56) 921-933
Naturally occurring arsenic can adversely affect water quality in geologically diverse aquifers throughout the world. Chronic exposure to arsenic via drinking water is a human health concern due to risks for certain cancers, skin abnormalities, peripheral neuropathy, and other negative health effects. Statewide in Minnesota, USA, 11% of samples from...
Event-response ellipses: A method to quantify and compare the role of dynamic storage at the catchment scale in snowmelt-dominated systems
Jessica M. Driscoll, Thomas Meixner, Noah P. Molotch, Ty P. A. Ferre, Mark W. Williams, James O. Sickman
2018, Water (10) 1-17
A method for quantifying the role of dynamic storage as a physical buffer between snowmelt and streamflow at the catchment scale is introduced in this paper. The method describes a quantitative relation between hydrologic events (e.g., snowmelt) and responses (e.g., streamflow) by generating event-response ellipses that can be used to...
Estimates of abundance and longevity of Bridled Quail-Doves (Geotrygon mystacea) on Guana Island, British Virgin Islands
Clint W. Boal
2018, Wilson Journal of Ornithology (130) 981-987
The Bridled Quail-Dove (Geotrygon mystacea) is a columbiform resident of the eastern Caribbean. It is a poorly studied species with a lack of quantitative data to assess population status, but perceived population declines have led to it being considered a species of conservation concern on many islands....
Which geologic factors control permeability development in geothermal systems? The geologic structure of Dixie Valley
Drew L. Siler, Jonathan M. G. Glen
2018, Geothermal Resources Council Transactions (42)
Geothermal systems occur where subsurface permeability and temperature are sufficiently high to drive fluid circulation. In the Great Basin region of the United States, which hosts ~20% of domestic geothermal electricity generation capacity and much of the projected undeveloped and undiscovered resource, crustal heat flow is relatively high, so permeability...
