Peak streamflow trends in North Dakota and their relation to changes in climate, water years 1921–2020
Karen R. Ryberg, Tara Williams-Sether
2025, Scientific Investigations Report 2023-5064-H
Standardized guidelines for completing flood-flow frequency analyses are presented in a U.S. Geological Survey Techniques and Methods report known as Bulletin 17C, https://doi.org/10.3133/tm4B5. In recent decades (since about 2000), a better understanding of long-term climatic persistence (periods of clustered floods or droughts, or wet or dry periods) and...
Interoperability for ecosystem service assessments: Why, how, who, and for whom?
Kenneth J. Bagstad, Stefano Balbi, Greta Adamo, Ioannis Athanasiadis, Flavio Affinito, Simon Willcock, Ainhoa Magrach, Kiichiro Hayashi, Zuzana Harmackova, Aidin Niamir, Bruno Smets, Marcel Buchhorn, Evangelia Drakou, Alessandra Alfieri, Bram Edens, Luis Gonzalez Morales, Agnes Vari, Maria-Jose Sanz, Ferdinando Villa
2025, Ecosystem Services (72)
Despite continued, rapid growth in the literature, the fragmentation of information is a major barrier to more timely and credible ecosystem services (ES) assessments. A major reason for this fragmentation is the currently limited state of interoperability of ES data, models, and software. The FAIR Principles, a recent reformulation of...
How to model a new invader? US-invaded range models outperform global or combined range models after 100 occurrences
Nicholas E. Young, Demetra A. Williams, Keana S. Shadwell, Ian Pearse, Catherine S. Jarnevich
2025, Ecological Applications (35)
Invasive species are an economic and ecological burden, and efforts to limit their impact are greatly improved with reliable maps based on species distribution models (SDMs). However, the potential distribution of new invaders is difficult to anticipate because they are still spreading with few observations in their invaded habitat. Therefore,...
Estimating spatially explicit survival and mortality risk from telemetry data with thinned point process models
Joseph Michael Eisaguirre, Medeleine G. Lohman, Graham G. Frye, Heather E. Johnson, Thomas V. Riecke, Perry J. Williams
2025, Ecology Letters (28)
Mortality risk for animals often varies spatially and can be linked to how animals use landscapes. While numerous studies collect telemetry data on animals, the focus is typically on the period when animals are alive, even though there is important information that could be gleaned about mortality risk. We introduce...
Dynamic and context-dependent keystone species effects in kelp forests
Ryan E. Langendorf, James A. Estes, Jane C. Watson, Michael C. Kenner, Brian B. Hatfield, M. T. Tinker, Ellen Waddle, Megan L. DeMarche, Daniel F. Doak
2025, Proceedings of the National Academy of Sciences (122)
Sea otters are an iconic keystone predator that can maintain kelp forests by preying on grazing invertebrates such as sea urchins. However, the effects of sea otters on kelp forests vary over their geographic range. Here, we analyze two 30-y datasets on kelp forest communities during the reintroduction of sea...
METRIC: An interactive framework for integrated visualization and analysis of monitored and expected load reductions for nitrogen, phosphorus, and sediment in the Chesapeake Bay watershed
Qian Zhang, Gary W. Shenk, Gopal Bhatt, Isabella Bertani
2025, Environmental Modelling & Software (188)
Reductions of nitrogen, phosphorus, and sediment loads have been the focus of watershed restoration in many regions for improving water quality, including the Chesapeake Bay. Watershed models and riverine monitoring data can provide important information on the progress of load reductions but do not always generate consistent interpretations. A new...
Documenting, quantifying, and modeling a large glide avalanche in Glacier National Park, Montana, USA
James W. Dillon, Erich Peitzsch, Zachary Miller, Perry Bartelt, Kevin D. Hammonds
2025, Cold Regions Science and Technology (231)
Glide avalanches present a significant and repetitive challenge to many operational forecasting programs, and they are likely to become more frequent. While the spatial location of glide release areas is extremely consistent, the onset of glide avalanche release is notoriously difficult to forecast, and their destructive potential can be immense....
Effect of copper mill waste material on benthic invertebrates and zooplankton diversity and abundance
James H. Larson, Michael R. Lowe, Sean Bailey, Amanda H. Bell, Danielle M. Cleveland
2025, PLoS ONE (20)
Copper (Cu) stamp mill mining in North America from the early 1900s produced a pulverized ore by-product now known as stamp sands (SS). In a mining operation near the city of Gay (Michigan, USA), SS were originally deposited near a Lake Superior beach, but erosion and wave action have moved...
Estimating agricultural irrigation water consumption for the High Plains aquifer region with integrated energy- and water-balance evapotranspiration modeling approaches
Lei Ji, Gabriel B. Senay, MacKenzie Friedrichs, Stefanie Kagone
2025, Agricultural Water Management (309)
Estimation of irrigation water use provides essential information for the management and conservation of agricultural water resources. Conventionally, water use data are created based on reports and surveys from water users, whereas manual records may not be complete due to lacking flow meters, measurement gaps, inconsistent methods across regions, and...
Leveraging high-frequency sensor data and U.S. National Water Model output to forecast turbidity in a drinking water supply basin
John T. Kemper, Kristen L. Underwood, Scott Douglas Hamshaw, Dany Davis, Jason Siemion, James B. Shanley, Andrew W. Schroth
2025, Journal of the American Water Resources Association (JAWRA) (61)
As high-frequency sensor networks increasingly enhance data-driven models of water quality, process-based models like the U.S. National Water Model (NWM) are generating accessible forecasts of streamflow at increasingly dense scales. There is now an opportunity to combine these products to construct actionable water quality forecasts. To that end, we couple...
Summary of results from monitoring the Geysers with continuous passive seismic and repeat magnetotelluric measurements (2021-2023)
Jared R. Peacock, David Alumbaugh, Roland Gritto, Evan Um, Craig Ulrich, Michael A. Mitchell, Craig Hartline
2025, Conference Paper
Understanding temporal variations in a geothermal field can support operators in decision making that pertains to optimizing production and mitigating hazards. Between 2021 and 2023, The Geysers geothermal field in northern California was monitored with an array of continuous passive seismic sensors and annual repeat magnetotelluric (MT) measurements. Each of...
Preliminary depth to basement modeling at Salton Sea, California
Jacob Elliott Anderson, Jonathan M.G. Glen, William D. Schermerhorn, Tait E. Earney, Benjamin Lyter Morbeck
2025, Conference Paper
The San Andreas Fault – Imperial Fault (SAF-IF) transtensional step-over zone along the southern margin of the Salton Sea hosts substantial geothermal production and lithium brine resources. Recent volcanism at the Salton Buttes and active seismicity along the SAFIF fault system highlight active tectonic and magmatic processes that pose natural...
Natural capital accounting on forested lands: An application to the Colorado River basin
Travis Warziniack, Kenneth J. Bagstad, Michael Knowles, Christopher Mihiar, Arpita Nehra, Charles Rhodes, Leslie Sanchez, Christopher Sichko, Charles B. Sims
Nicholas Z. Muller, Eli P. Fenichel, Mary Bohman, editor(s)
2025, Conference Paper, Measuring and accounting for environmental public goods: A national accounts perspective
This paper creates a first set of forest natural capital accounts and demonstrates how these accounts can be integrated with general equilibrium models of the economy. Focusing on the Colorado River Basin, we show that deforestation has direct implications for the forest industry and indirect impacts on the economy through...
Pesticide contamination detected across five wildlife refuges in the Sacramento Valley of California
Angie Lenard, Therese Burns, Michelle Hladik, Kaylene Keller, Samantha Marcum, Wayne E. Thogmartin, Matthew L. Forister
2025, Science of the Total Environment (969)
An important goal for the applied ecological sciences is to understand the extent to which the biodiversity on conserved or managed lands is exposed to anthropogenic stressors. Among the various categories of conserved lands in the United States, the National Wildlife Refuge System is focused on the protection and management...
Fisheries research and monitoring activities of the Lake Erie Biological Station, 2024
Mark Richard Dufour, Francesco Guzzo, Corbin David Hilling, Kevin R. Keretz, Richard Kraus, Richard Cole Oldham, James Roberts, Joseph Schmitt
2025, Report
A comprehensive understanding of fish populations and their interactions is the cornerstone of modern fishery management and the basis for Lake Erie’s Fish Community Objectives (FCOs) developed in 2020 (Francis et al. 2020). The 2024 U.S. Geological Survey (USGS) Lake Erie Biological Station Annual Report is responsive to these FCOs...
Living on the edge: Identifying demographic bottlenecks in an isolated sage-grouse population
Chelsea E. Sink, Katie Dugger, Christian A. Hagen, John N. Vradenburg
2025, Wildlife Biology (2025)
The greater sage-grouse (Centrocercus urophasianus: hereafter sage-grouse) population in Modoc County California is geographically isolated and contains a single lek (from 56 leks in the 1940s), despite significant efforts to increase the population through translocations and habitat improvement. Repeated wildfire within the landscape has led to an increase in invasive...
Urbanization and host relatedness shape virome composition in a widespread, generalist carnivore
Natalie Payne, Desiree Andersen, Cheryl Mollohan, Koenraad Van Doorslaer, Leigh Combrink, Melanie Culver
2025, Molecular Ecology (34)
Urban wildlife species have the potential to serve as links in disease transmission between wildlife, humans and domestic animals at the wildland–urban interface (WUI), contributing to both sustained cross-species transmission of pathogens and the emergence of diseases in susceptible populations. However, the relative roles of host and environmental factors in...
Spatiotemporal causal inference with mechanistic ecological models: Evaluating targeted culling on chronic wasting disease dynamics in cervids
Juan Francisco Mandujano Reyes, Ting Fung Ma, Ian P. McGahan, Daniel J. Storm, Daniel P. Walsh, Jun Zhu
2025, Environmetrics (36)
Spatiotemporal causal inference methods are needed to detect the effect of interventions on indirectly measured epidemiological outcomes that go beyond studying spatiotemporal correlations. Chronic wasting disease (CWD) causes neurological degeneration and eventual death to white-tailed deer (Odocoileus virginianus) in Wisconsin. Targeted culling involves removing deer after traditional hunting seasons in...
ARCHI: A new R package for automated imputation of regionally correlated hydrologic records
Zeno Levy, Robin L. Glas, Timothy J. Stagnitta, Neil Terry
2025, Groundwater (62) 595-610
Missing data in hydrological records can limit resource assessment, process understanding, and predictive modeling. Here, we present ARCHI (Automated Regional Correlation Analysis for Hydrologic Record Imputation), a new, open-source software package in R designed to aggregate, impute, cluster, and visualize regionally correlated hydrologic records. ARCHI imputes missing data in “target”...
The role of bedrock circulation depth and porosity in mountain streamflow response to prolonged drought
Rosemary W.H. Carroll, Andrew H. Manning, Kenneth H. Williams
2025, Geophysical Research Letters (52)
Quantitative understanding is lacking on how the depth of active groundwater circulation in bedrock affects mountain streamflow response to a multi‐year drought. We use an integrated hydrological model to explore the sensitivity of a variety of streamflow metrics to bedrock circulation depth and porosity under a plausible extreme drought scenario lasting...
Analyzing multi-year nitrate concentration evolution in Alabama aquatic systems using a machine learning model
Bahareh KarimiDermani, Christopher Green, Geoffrey Tick, Hossein Gholizadeh, Wei Wei, Yong Zhang
2025, Environments (12)
Rising nitrate contamination in water systems poses significant risks to public health and ecosystem stability, necessitating advanced modeling to understand nitrate dynamics more accurately. This study applies the long short-term memory (LSTM) modeling to investigate the hydrologic and environmental factors influencing nitrate concentration dynamics in rivers and aquifers across the...
Impact of thermoelectric power plant operations and water use reporting methods on thermoelectric power plant water use
Eric Sjostedt, Richard Rushforth, Vincent Tidwell, Melissa A. Harris, Ryan McManamay, Landon Marston
2025, Environmental Science & Technology (59) 4482-4492
Thermoelectric power generation accounts for over 41% of total U.S. freshwater withdrawals, making understanding the determinants of power plants’ water withdrawals (WW) and consumption (WC) critical for reducing the sector’s reliance on increasingly scarce water resources. However, reported data inconsistencies and incomplete analysis of potential determinants of thermoelectric water use...
Survival, travel time, and use of migration routes by juvenile steelhead in a modified river estuary
Adam Pope, Russell Perry, Dalton Hance, Rebecca A. Buchanan
2025, Estuaries and Coasts (48)
Greater understanding of the survival, travel time, and spatial distribution of juvenile salmonids among migration routes between their natal streams and the ocean is critical to the recovery of these threatened species. In the Sacramento–San Joaquin River Delta (Delta), a highly modified estuary in central California, USA, there is a...
Pan-amphibia distribution of the fungal parasite Batrachochytrium dendrobatidis varies with species and temperature
Daniel A. Grear, Michael J. Adams, Adam R. Backlin, William Barichivich, Adrianne Brand, Gary M. Bucciarelli, Daniel L. Calhoun, Tara Chestnut, Jon D Davenport, Andrew E Dietrich, Graziella V. DiRenzo, Robert N. Fisher, Brad Glorioso, Evan H. Campbell Grant, Brian J. Halstead, Marc P Hayes, Blake R. Hossack, Morgan Kain, Patrick M. Kleeman, Jeffrey M. Lorch, Brome McCreary, David A.W. Miller, Brittany A. Mosher, Erin L. Muths, Christopher Pearl, Charles H. Robinson, Mark Roth, Jennifer Rowe, Walter Sadinski, Brent H. Sigafus, Iga Stasiak, Samuel Sweet, Hardin Waddle, Susan Walls, Gregory J Watkins-Colwell, Lori A Williams, Megan Winzeler
2025, Ecological Monographs (95)
Batrachochytrium dendrobatidis (Bd) is a globally distributed fungal pathogen of amphibians that has contributed to one of the largest disease-related biodiversity losses in wildlife. Bd is regularly viewed through the lens of a global wildlife epizootic because the spread of highly virulent genetic lineages has resulted in well-documented declines and extinctions...
Reproductive biology of invasive grass carp (Ctenopharyngodon idella) in two North American systems
Tammy Michelle Wilson, Matthew Ross Acre, Fred Williams III, Robin D. Calfee, Christine M. Mayer, Robert L. Mapes, Chris M. Kemp, Ryan T. Young, Michael E. Byrne
2025, Journal of Fish Biology (107) 101-115
Grass carp (Ctenopharyngodon idella) are nonnative, herbivorous freshwater fish that represent an ecological threat in North American waters. However, data are limited on reproductive biology specific to wild populations in midwestern North America, despite recent concern for grass carp establishment within the Great Lakes. Basic information on reproductive traits could...
