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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...
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...
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...
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...
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 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....
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...
The transition from resistance to acceptance: Managing a marine invasive species in a changing world
Abigail G. Keller, Timothy D. Counihan, Edwin D. Grosholz, Carl Boettiger
2025, Journal of Applied Ecology
Marine invasive species can transform coastal ecosystems, yet mitigating their effects can be difficult, and even impractical. Often, marine invasive species are managed at poorly matched spatial scales, and at the same time, rates of spread and establishment are increasing under climate change and can outpace resources available for...
Towards seamless global 30-meter terrestrial monitoring: Evaluating 2022 cloud free coverage of harmonized Landsat and Sentinel-2 (HLS) V2.0
Qiang Zhou, Christopher Neigh, Junchang Ju, Philip Dabney, Bruce Cook, Zhe Zhu, Christopher J. Crawford, Ferran Gascon, Peter Strobl, Madhu Sridhar
2025, IEEE Geoscience and Remote Sensing Letters
Global observations at 30-m ground sampling distance (GSD) are now possible at a cadence of 1-3 days by combining Landsat 8 and 9 with Sentinel-2A and -2B satellites. Previous studies characterizing pixel-level Landsat-class measurement frequency used data from different sources but offered little information on observation availability after rigorous quality...
Earthquake recurrence estimates for northern Caribbean faults from combinatorial optimization
Uri S. ten Brink, Eric L. Geist
2025, The Seismic Record (5) 44-54
We use combinatorial optimization to find the optimal spatial distribution of random samples of earthquakes (≥6.5) that minimize the misfit in target slip rates for all faults in the northeast Caribbean, and we derive magnitude-frequency relationships with uncertainties for these faults. Slip rates for many faults are derived from GPS...
Groundwater flowpath characteristics drive variability in per- and polyfluoroalkyl substances (PFAS) loading across a stream-wetland system
David Rey, Martin Briggs, Andrea K. Tokranov, Hayley Gale Lind, Patrick Thomas Scordato, Ramona Iery, Henry Moore, L. Slater, Denis R. LeBlanc
2025, Science of the Total Environment (964)
Groundwater-dependent ecosystems in areas with industrial land use are at risk of exposure to a PFAS chemicals. We investigated one such system with several known PFAS source areas, where high and low permeability sediments (glacial) coupled with groundwater-lake and groundwater/surface-water interactions created complex ‘source to seep’ dynamics. Using heat-tracing and...
Biotic and abiotic drivers of ecosystem temporal stability in herbaceous wetlands in China
Guodong Wang, Nanlin Hu, Yann Hautier, Beth Middleton, Ming Wang, Meiling Zhao, Jingci Meng, Zijun Ma, Bo Liu, Yanjie Liu, Mingkai Jiang
2025, Global Change Biology (31)
Maintaining the stability of ecosystems is critical for supporting essential ecosystem services over time. However, our understanding of the contribution of the diverse biotic and abiotic factors to this stability in wetlands remains limited. Here, we combined data from a field vegetation survey of 725 herbaceous wetland sites in China...
Long-lived partial melt beneath Cascade volcanoes
Guanning Pang, Geoffrey A. Abers, Seth C. Moran, Weston Thelen
2025, Nature Geoscience
Quantitative estimates of magma storage are fundamental to evaluating volcanic dynamics and hazards. Yet our understanding of subvolcanic magmatic plumbing systems and their variability remains limited. There is ongoing debate regarding the ephemerality of shallow magma storage and its volume relative to eruptive output, and so whether an upper-crustal magma...
Maintenance of genetic diversity despite population fluctuations in the lesser prairie-chicken (Tympanuchus pallidicinctus)
Andrew J. Lawrence, Scott A. Carleton, Sara J. Oyler-McCance, Randy W. DeYoung, Clay T. Nichols, Timothy F. Wright
2025, Ecology and Evolution (15)
Assessments of genetic diversity, structure, history, and effective population size (N e) are critical for the conservation of imperiled populations. The lesser prairie-chicken (Tympanuchus pallidicinctus) has experienced declines due to habitat loss, degradation, and fragmentation in addition to substantial population fluctuations with unknown effects on genetic diversity. Our objectives were to:...
Bathymetric contour maps, surface area and capacity tables, and bathymetric change maps for selected water-supply lakes in Missouri, 2022–23
Benjamin C. Rivers, Richard J. Huizinga, Garett J. Waite
2025, Scientific Investigations Report 2024-5114
Bathymetric data were collected at 13 water-supply lakes around the periphery of Missouri by the U.S. Geological Survey in cooperation with the Missouri Department of Natural Resources and various local agencies, as part of a multiyear effort to establish or update the surface area and capacity tables for the surveyed...
Using hydrogeologic context and water budgets to evaluate the potential for groundwater contributions to contaminants in Lake Superior
Martha G. Nielsen, Sherry Lynn Martin
2025, Journal of Great Lakes Research (51)
This study presents a synthesis of the hydrogeology in the U.S. Lake Superior watershed and the contribution of groundwater to the water budget of the U.S. Lake Superior basin. Much of the shoreline of Lake Superior in Minnesota and Michigan is composed of hydrogeologic units contributing very little direct groundwater...
Assessing the Feasibility of Reintroducing San Francisco Gartersnakes (Thamnophis sirtalis tetrataenia) to La Honda Creek Open Space Preserve, San Mateo County, California
Jonathan P. Rose, Elliot J. Schoenig, Richard Kim, Allison M. Nguyen, Brian J. Halstead
2025, Open-File Report 2024-1073
Reintroductions are used worldwide to increase the viability of species and restore native ecological communities. The success of reintroductions is usually judged by the establishment of self-sustaining populations, restoration of naturally occurring ecological communities, and the species resuming its ecological function. Recovery for the endangered San Francisco gartersnake (SFGS,...
Variation in energetic balance among free-ranging polar bears during the spring mating and foraging season
Anthony M. Pagano, Stephen N. Atkinson, Louise C. Archer
2025, Arctic Science
Large carnivores are capable of consuming substantial biomasses that can significantly alter their body mass and condition over short periods. Here we examine the intra-seasonal variation of polar bear (Ursus maritimus Phipps, 1774) body mass, energy intake, and condition in the spring from two subpopulations. We evaluate the biological and temporal...
Slow slip detectability in seafloor pressure records offshore Alaska
Erik Fredrickson, Joan S. Gomberg, William Wilcock, Susan Hautala, Albert Hermann, H. Paul Johnson
2025, Journal of Geophysical Research (128)
In subduction zones worldwide, seafloor pressure data are used to observe tectonic deformation, particularly from megathrust earthquakes and slow slip events (SSEs). However, such measurements are also sensitive to oceanographic circulation-generated pressures over a range of frequencies that conflate with tectonic signals of interest. Using seafloor pressure and temperature data...
The effectiveness of harvest for limiting wildlife disease: Insights from 20 years of chronic wasting disease in Wyoming
Wynne Emily Moss, Justin Binfet, L. Embere Hall, Samantha E. Allen, William H. Edwards, Jessica E. Jennings-Gaines, Paul C Cross
2025, Ecological Applications (35)
Effective, practical options for managing disease in wildlife populations are limited, especially after diseases become established. Removal strategies (e.g., hunting or culling) are used to control wildlife diseases across a wide range of systems, despite conflicting evidence of their effectiveness. This is especially true for chronic wasting disease (CWD), an...
Neonicotinoid exposure causes behavioral impairment and delayed mortality of the federally threatened American burying beetle, Nicrophorus americanus
Michael C. Cavallaro, Michelle Hladik, R. Shane McMurry, Samantha Hittson, Leon K. Boyles, W. Wyatt Hoback
2025, PLoS ONE (20)
Among the most immediate drivers of American burying beetle (Nicrophorus americanus Olivier) declines, nontarget toxicity to pesticides is poorly understood. Acute, episodic exposure to neonicotinoid insecticides at environmentally relevant concentrations is linked to negative impacts on beneficial terrestrial insect taxa. Beyond mortality, behavioral indicators of toxicity are often better suited to...
Hysteretic response of suspended-sediment in wildfire affected watersheds of the Pacific Northwest and Southern Rocky Mountains
Gregory D. Clark, Sheila F. Murphy, Katherine Skalak, David W. Clow, Garrett Alexander Akie, Kurt D. Carpenter, Sean E. Payne, Brian A. Ebel
2025, Earth Surface Processes and Landforms (50)
Wildfires can have a profound impact on hydrosedimentary interactions, or the relationship between sediment and runoff, in forested headwater streams. Quantification of sediment-runoff dynamics at the event scale is integral for understanding source areas and transport of suspended-sediment through a watershed following wildfire. Here we used high-frequency turbidity and stream...