Surface-wave relocation and characterization of the October 2023 tsunamigenic seismic unrest near Sofugan volcano, Izu Islands, Japan
Chanel Ashlie Deane, J.D. Pesicek, Stephanie Prejean, Paul S. Earle, David R. Shelly, William L. Yeck
2025, Geophysical Research Letters (52)
A moderate-magnitude earthquake swarm occurred in the remote Izu Islands region of Japan between October 1 and 8, 2023. The swarm included 151 shallow earthquakes cataloged by the U.S. Geological Survey, which notably included a roughly 2.5-hr episode of 15 successive magnitude (M) < 5.5 earthquakes. Origin times were coincident...
Evaluation of a rapid assessment function to aid monitoring and management of common ravens (Corvus corax) in Washington state
Brianne E. Brussee, Shawn T. O’Neil, Michael T. Atamian, Colin G. Leingang, Peter S. Coates
2025, Preprint
Expanding human enterprise leading to resource subsidies for generalist species has resulted in widespread increases in common raven (Corvus corax) populations across the Western U.S. Ravens are an efficient predator and increased population abundance has led to adverse effects to multiple sensitive prey species. In regions where problematic interactions between...
Reproductive contribution of lake sturgeon transferred upstream of dams on a Great Lakes tributary
Patrick S. Forsythe, Nicholas M. Sard, Stefan Tucker, Lexi Atler, Jeannette Kanefsky, Jennifer Johnson, Daniel A. Isermann, Robert F. Elliott, Michael Donofrio, Kim T. Scribner
2025, Canadian Journal of Fisheries and Aquatic Sciences (82) 1-16
Dam construction contributes to declines in the distribution and abundance of many fishes. Increasing connectivity through adult transfer can be demographically and genetically beneficial, but assessing the effects resulting from transfer can be difficult if resident fish exist upstream. Genotypes of adult and larval lake sturgeon (Acipenser fulvescens) were used...
Mapping bedrock outcrops in the Sierra Nevada Mountains (California, USA) using machine learning
Apoorva Ramesh Shastry, Corina Cerovski-Darriau, Brian Coltin, Jonathan D. Stock
2025, Remote Sensing (17)
Accurate, high-resolution maps of bedrock outcrops can be valuable for applications such as models of land–atmosphere interactions, mineral assessments, ecosystem mapping, and hazard mapping. The increasing availability of high-resolution imagery can be coupled with machine learning techniques to improve regional bedrock outcrop maps. In the United States, the existing 30...
Forecasting sea otter recolonization: Insights from isotopic analysis of modern and zooarchaeological populations
Emma A. Elliott Smith, Madonna L. Moss, Hannah P. Wellman, Verena A. Gill, Daniel Monson, Seth D. Newsome
2025, Proceedings of the Royal Society B, Biological Sciences (292)
Retrospective datasets offer essential context for conservation by revealing species’ ecological roles before industrial-era human impacts. We analysed isotopic compositions of pre-industrial and modern sea otters (Enhydra lutris) to reconstruct pre-extirpation ecology and offer insights for management. Our study focuses on southeast Alaska (SEAK), where sea otters are recolonizing, and...
The effectiveness of wildfire at meeting restoration goals across a fire severity gradient in the Sierra Nevada
Adrian Das, Lisa Rosenthal, Kristen L. Shive
2025, Forest Ecology and Management (580) 122486
As a consequence of both warming temperatures and over a century of fire suppression, wildfires in the historically frequent-fire forests of the western US have increased both in size and intensity, resulting in large patches of high severity fire that are well outside the historic range of variation. Postfire fuels...
What 25+ years of "Did You Feel It" intensities tell us about shaking in California
Jenna Marie Chaffeur, Jessie K. Saunders, Sarah E. Minson, Annemarie S. Baltay Sundstrom, Elizabeth S. Cochran, Susan E. Hough, Vince Quitoriano, Morgan T. Page, James Luke Blair
2025, Seismological Research Letters (96) 2625-2637
“When will the Big One happen?” is a question that people often have for earthquake scientists. But while waiting for the “Big One” to occur, people will usually experience frightening or damaging shaking from multiple relatively smaller‐magnitude earthquakes. Given this context, it raises the question: “Where does most of the...
Groundwater hydrology, groundwater and surface-water interactions, water quality, and groundwater-flow simulations for the Wet Mountain Valley alluvial aquifer, Custer and Fremont Counties, Colorado, 2017–19
Connor P. Newman, Cory A. Russell, Zachary D. Kisfalusi, Suzanne S. Paschke
2025, Scientific Investigations Report 2024-5105
In 2017, the U.S. Geological Survey, in cooperation with the Upper Arkansas Water Conservancy District, began a study to provide a comprehensive analysis of the Wet Mountain Valley alluvial aquifer, Custer and Fremont Counties, Colorado. The study included collection of data pertaining to groundwater hydrology, groundwater and surface-water interactions, and...
A comprehensive assessment of membrane bioreactor contaminant removal efficacy through analytical chemistry, fish exposures, and microbiome characterization
Charles H. Christen, Sarah M. Elliott, Richard L. Kiesling, Alissa VanDenBoom, Satomi Kohno, Carrie E. Givens, Heiko L. Schoenfuss
2025, Environmental Toxicology and Chemistry (44) 1272-1288
Treated municipal wastewater effluent is an important pathway for Contaminants of Emerging Concern (CEC) to enter aquatic ecosystems. As the aging wastewater infrastructure in many industrialized countries requires upgrades or replacement, assessing new treatment technologies in the context of CEC effects may provide additional support for science-based resource management. Here,...
The importance of method selection when estimating diet composition with quantitative fatty acid signature analysis
Jeffrey F. Bromaghin, Todd C. Atwood, Karyn D. Rode
2025, PLoS ONE (20)
Quantitative fatty acid signature analysis (QFASA) is a common method of estimating the composition of prey species in the diets of consumers from polar and temperate ecosystems in which lipids are an important source of energy. A key characteristic of QFASA is that the large number of fatty acids that...
Integrating sea level rise scenarios into Everglades restoration planning
Laura D’Acunto, Stephanie Romanach, Stephanie Castellano, Mysha Clarke
2025, Report
One of the largest and most expensive restoration efforts in the world is occurring in the Everglades, a sub-tropical freshwater wetland system located in southern Florida. This unique ecosystem supports several endangered species, provides flood control for Florida’s large urban population, and provides water for both agriculture and drinking supply...
Micropaleontological evidence of a submarine fan in the lower Coaledo Formation, southwestern Oregon, USA: Reply
Kristen McDougall
2025, Journal of Foraminiferal Research (55) 87-94
No abstract available....
Prairie Falcon (Falco mexicanus) abundance in a National Conservation Area in Idaho has increased since the 1970s–1990s
Steven Alsup, James R. Belthoff, Karen Steenhof, Michael N. Kochert, Todd E. Katzner
2025, Journal of Raptor Research (59) 1-13
The Morley Nelson Snake River Birds of Prey National Conservation Area (NCA), in southwestern Idaho, USA supports a large population of breeding Prairie Falcons (Falco mexicanus). Abundance of Prairie Falcons in the NCA was previously monitored in 1976–1978 and 1990–1994. That research indicated maximum counts for each period in 1976...
Hotter temperatures alter riparian plant outcomes under regulated river conditions
Emily C. Palmquist, Kiona Ogle, Bradley J. Butterfield, Thomas G. Whitham, Gerard J. Allan, Patrick B. Shafroth
2025, Ecological Monographs (95)
Climate change and river regulation alter environmental controls on riparian plant occurrence and cover worldwide. Simultaneous changes to river flow and air temperature could result in unanticipated plant responses to novel environmental conditions. Increasing temperature could alter riparian plant response to hydrology and other factors, while river regulation may exacerbate...
Infection by the marine cestode Hepatoxylon trichiuri in returning Chinook salmon (Oncorhynchus tshawytscha) spawners in Patagonia: Implications for a novel fishery
Guillermo Figueroa-Munoz, Patricio Torres, J. Marcos Rodriguez, Christina Amy Murphy
2025, Fisheries Management and Ecology (32) 218-232
Parasitological information may be useful for managing economically important fisheries by providing insights into population dynamics and health effects. The Chinook salmon (Oncorhynchus tshawytscha), an invasive species with high socio-ecological importance in South America, supports recreational and incipient artisanal fisheries. In Southern Chile, the recent approval of coastal fisheries for...
American alligators (Alligator mississippiensis) as wetland ecosystem carbon stock regulators
Christopher M. Murray, Tyler S. Coleman, Wray Gabel, Ken Krauss
2025, Scientific Reports (15)
Blue carbon refers to organic carbon sequestered by oceanic and coastal ecosystems. This stock has gained global attention as a high organic carbon repository relative to other ecosystems. Within blue carbon ecosystems, tidally influenced wetlands alone store a disproportionately higher amount of organic carbon than other blue carbon systems. North...
Integrated analysis of marked and count data to characterizefine-scale stream fish movement
Yoichiro Kanno, Kasey Celene Pregler, Seoghyun Kim
2025, Oecologia (207)
Immigration and emigration are key demographic processes of animal population dynamics. However, 3 we have limited knowledge on how fine-scale movement varies over space and time. We developed a 4 Bayesian integrated population model using individual mark-recapture and count data to characterize 5 fine-scale movement of stream fish at 20-m resolution every two...
Towards mobile wind measurements using joust configured ultrasonic anemometer for applications in gas flux quantification
Derek Hollenbeck, Colin W. Edgar, Eugenie Euskirchen, Kristen L. Manies
2025, Drones (9)
Small uncrewed aerial systems (sUASs) can be used to quantify emissions of greenhouse and other gases, providing flexibility in quantifying these emissions from a multitude of sources, including oil and gas infrastructure, volcano plumes, wildfire emissions, and natural sources. However, sUAS-based emission estimates are sensitive to the accuracy of wind...
Linking suspended sediment conditions to hyporheic dissolved oxygen and fine sediment deposition in salmonid spawning habitat below an irrigation dam, Park County, Wyoming
Ashleigh M. Pilkerton, Jason S. Alexander, Lindsay Patterson, Jason C. Burckhardt, Frank J. Rahel, Annika W. Walters
2025, River Research and Applications (41) 980-999
Dams are essential for water resources management but impose notable effects on fluvial sediment transport and downstream river morphology by reducing or altering the timing of sediment loads. We explored the relationship between dam sediment management and downstream sediment dynamics in the context of riverine fisheries management. We quantified the...
Light absorbing particles deposited to snow cover across the Upper Colorado River Basin, Colorado Rocky Mountains, 2013-16: Interannual variations from multiple natural and anthropogenic sources
Richard L. Reynolds, Harland L. Goldstein, Raymond F. Kokaly, Heather A. Lowers, Geroge N. Breit, Bruce M. Moskowitz, Peat Solheid, Jeff Derry, Corey Lawrence
2025, JGR Atmospheres (130)
Atmospheric particulate matter (PM) as light-absorbing particles (LAPs) deposited to snow cover can result in early onset and rapid snow melting, challenging management of downstream water resources. We identified LAPs in 38 snow samples (water years 2013–2016) from the mountainous Upper Colorado River basin by comparing among laboratory-measured spectral reflectance,...
Coral reef restoration can reduce coastal contamination and pollution hazards
Marina Rottmueller, Curt D. Storlazzi, Fabian Frick
2025, Communications Earth & Environment (6)
Coral reef restoration can reduce the wave-driven flooding for coastal communities. However, this protection has yet to be assessed in terms of the reduced risk of flood-driven environmental contamination. Here we provide the first high-resolution valuation of the reduction of flood-related land-based environmental pollution provided by potential coral reef restoration....
“Leaky weirs” capture alluvial deposition and enhance seasonal mountain-front recharge in dryland streams
Laura M. Norman, Kristine; Uhlman, Hanna Coy, Natalie R. Wilson, Andrew M. Bennett, Floyd Gray, Kurt T. Ehrenberg
2025, Applied Water Science (15)
“Leaky weirs” are rock structures installed in dryland streams, which are anchored into exposed bedrock, loosely cemented, and designed to allow water to slowly pass through. They are being tested at a ranch in southeastern Arizona, USA, to restore and conserve the historic range and desert wetlands. Data are collected...
Perpetuation of avian influenza from molt to fall migration in wild Swan Geese (Anser cygnoides): An agent-based modeling approach
John Takekawa, Chang-Yong Choi, Diann Prosser, Jeffery D. Sullivan, Nyambayar Batbayar, Xiangming Xiao
2025, Viruses (17)
Wild waterfowl are considered to be the reservoir of avian influenza, but their distinct annual life cycle stages and their contribution to disease dynamics are not well understood. Studies of the highly pathogenic avian influenza (HPAI) virus have primarily focused on wintering grounds, where human and poultry densities are high...
Methods to determine streamflow statistics based on data through water year 2021 for selected streamgages in or near Wyoming
Daniel W. Armstrong, David A. Lange, Katherine J. Chase
2025, Scientific Investigations Report 2024-5104
The U.S. Geological Survey (USGS), in cooperation with the Wyoming Water Development Office, developed streamflow statistics for streamgages in and near Wyoming. Statistics were computed for active (through September 30, 2021) and discontinued USGS streamgages with 10 or more years of daily mean streamflow record. Streamflow at each streamgage was...
Understanding and managing introduction pathways into protected areas in a changing climate
Deah Lieurance, Susan Canavan, Katelyn T. Faulkner, Kathryn A. O’Shaughnessy, Julie L. Lockwood, Elliott W. Parsons, Julian D. Avery, Wesley Daniel
2025, Biological Invasions (27)
The Kunming-Montreal Global Biodiversity Framework 2030 calls for the conservation of 30% of the world’s ecosystems, focusing on protecting areas vital to biodiversity, identifying and managing invasive species introduction pathways, and minimizing the impacts of climate change on biodiversity. While protected areas (PAs) have historically limited the introduction, establishment, and...
