Publications
Browse more than 160,000 publications authored by our scientists over the past 100+ year history of the USGS. Publications available are: USGS-authored journal articles, series reports, book chapters, other government publications, and more.
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Target and suspect per- and polyfluoroalkyl substances in fish from an AFFF-impacted waterway
A major source of toxic per- and polyfluoroalkyl substances (PFAS) is aqueous film-forming foams (AFFF) used in firefighting and training at airports and military installations, however, PFAS have many additional sources in consumer products and industrial processes. A field study was conducted on fish tissues from three reaches of the Columbia Slough, located near Portland International Airport,
Authors
Elena Nilsen, Derek J. Muensterman, Lya Carini, Ian R. Waite, Sean E. Payne, Jennifer Field, Jennifer L Peterson, Daniel Hafley, David Farrer, Gerrad D Jones
The 1886 Charleston, South Carolina, Earthquake: Relic railroad offset reveals rupture
In the absence of documented surface rupture during the 1 September 1886 Charleston earthquake, there has been considerable speculation about the location and mechanism of the causative fault. We use an inferred coseismic offset of the South Carolina Railroad and additional numerical constraints to develop an elastic deformation model—a west‐dipping fault following strands of two previously identi
Authors
Roger Bilham, Susan E. Hough
Yellowstone Cutthroat Trout recovery in Yellowstone Lake: Complex interactions among invasive species suppression, disease, and climate change
In Yellowstone Lake, Wyoming, the largest inland population of nonhybridized Yellowstone Cutthroat Trout Oncorhynchus clarkii bouvieri, hereafter Cutthroat Trout, declined throughout the 2000s because of predation from invasive Lake Trout Salvelinus namaycush, drought, and whirling disease Myxobolus cerebralis. To maintain ecosystem function and conserve Cutthroat Trout, a Lake Trout gill netting
Authors
Hayley Corrine Glassic, David Chagaris, Christopher S. Guy, Lusha M. Tronstad, Dominique R. Lujan, Michelle A. Briggs, Lindsey K. Albertson, Travis O. Brenden, Timothy E. Walsworth, Todd M. Koel
Warming experiments test the temperature sensitivity of an endangered butterfly across life history stages
The Karner blue butterfly (Lycaeides melissa samuelis) (hereafter Karner blue) is a federally listed endangered species occurring in disjunct locations within the Midwest and Eastern United States. As a hostplant specialist and an ectotherm, the Karner blue is likely to be susceptible to effects of climate change. We undertook warming experiments to explore the temperature sensitivity of various K
Authors
Lainey Bristow, Ralph Grundel, Jason Dzurisin, Yudi Li, Andrew Hildreth, Jessica Hellmann
BatTool: Projecting bat populations facing multiple stressors using a demographic model
Bats provide ecologically and agriculturally important ecosystem services but are currently experiencing population declines caused by multiple environmental stressors, including mortality from white-nose syndrome and wind energy development. Analyses of the current and future health and viability of these species may support conservation management decision making. Demographic modeling provides a
Authors
Ashton M. Wiens, Amber Schorg, Jennifer Szymanski, Wayne E. Thogmartin
Snowpack relative permittivity and density derived from near-coincident lidar and ground-penetrating radar
Depth-based and radar-based remote sensing methods (e.g., lidar, synthetic aperture radar) are promising approaches for remotely measuring snow water equivalent (SWE) at high spatial resolution. These approaches require snow density estimates, obtained from in-situ measurements or density models, to calculate SWE. However, in-situ measurements are operationally limited, and few density models have
Authors
Randall Bonnell, Daniel McGrath, Andrew Hedrick, Ernesto Trujillo, Tate Meehan, Keith Williams, Hans-Peter Marshall, Graham A. Sexstone, John Fulton, Michael Ronayne, Steven R. Fassnacht, Ryan Webb, Katherine Hale
Evaluation of breeding distribution and chronology of North American scoters
North America's scoter species are poorly monitored relative to other waterfowl. Black Melanitta americana, surf M. perspicillata, and white-winged M. deglandi scoter abundance and trend estimates are thus uncertain in many parts of these species' ranges. The most extensive source of waterfowl abundance and distribution data in North America is the Waterfowl breeding population and habitat survey
Authors
Kristin Bianchini, Scott G. Gilliland, Alicia Berlin, Timothy D. Bowman, W. Sean Boyd, Susan E. W. De La Cruz, Daniel Esler, Joseph R. Evenson, Paul L. Flint, Christine Lepage, Scott R. McWilliams, Dustin E. Meattey, Jason E. Osenkowski, Matthew Perry, Jean-François Poulin, Eric T. Reed, Christian Roy, Jean-Pierre L. Savard, Lucas Savoy, Jason L Schamber, Caleb S. Spiegel, John Takekawa, David H. Ward, Mark L. Mallory
Science to support conservation action in a large river system: The Willamette River, Oregon, USA
Management and conservation efforts that support the recovery and protection of large rivers are daunting, reflecting the complexity of the challenge and extent of effort (in terms of policy, economic investment, and spatial extent) needed to afford measurable change. These large systems have generally experienced intensive development and regulation, compromising their capacity to respond to dist
Authors
Rebecca L. Flitcroft, Luke Whitman, James White, J. Rose Wallick, Laurel E. Stratton Garvin, Cassandra Smith, Robert Plotnikoff, Michael Mulvey, Tobias Kock, Krista Jones, Peter Gruendike, Carolyn Gombert, Guillermo Giannico, Andrew Dutterer, Daniel G. Brown, Hannah Barrett, Robert M. Hughes
Genomic insights into isolation of the threatened Florida crested caracara (Caracara plancus)
We conducted a population genomic study of the crested caracara (Caracara plancus) using samples (n = 290) collected from individuals in Florida, Texas, and Arizona, United States. Crested caracaras are non-migratory raptors ranging from the southern tip of South America to the southern United States, including a federally protected relict population in Florida long thought to have been isolated s
Authors
Natalie Payne, John A. Erwin, Joan L. Morrison, James F. Dwyer, Melanie Culver
Development of a Surface-Water Index of Permanence to assess surface-water availability for ecohydrological refugia
Surface-water availability has major implications for the environment and society in the 21st century. With climate change, increased drought severity, and altered water and land use, future water availability is predicted to continue to decline in many areas, including much of the western United States. An understanding of where and when water will be available at multiple scales is crucial for t
Authors
Alynn Martin, Roy Sando, Lindsey Thurman, Kyle McLean, Patrick Wurster, John Jones, Anteneh Sarbanes
Growth performance of Rainbow Trout in reservoir tributaries and implications for steelhead growth potential above Skagit River dams
ObjectiveIn the Pacific Northwest (USA), Pacific salmon Oncorhynchus spp. populations have been declining significantly for decades, prompting stakeholders to respond with a variety of conservation and restoration measures. One such measure being considered in the Skagit River basin (Washington, USA) is the introduction of steelhead Oncorhynchus mykiss (anadromous Rainbow Trout) above the impassab
Authors
Benjamin Lorenz Jensen, Rachelle Carina Johnson, Jeffrey J. Duda, Carl Ostberg, Tessa Julianne Code, Jonathan H Mclean, Karl D. Stenberg, Kimberly Larsen, Marshal Hoy, David Beauchamp