A short-term sublethal oral exposure to microcystin-LR disrupts cecal microbiome homeostasis in mallard
Sergei V. Drovetski, Valerie I. Shearn-Bochsler, Erik K. Hofmeister, Natalie K. Karouna-Reiner, Robert J. Dusek
2025, Frontiers in Toxicology (7)
Introduction: The frequency of cyanobacterial blooms seems to have increased globally in recent decades due to human induced eutrophication and climate change. Cyanobacterial blooms can produce several groups of toxins, among which microcystin-LR (MC-LR) is one of the most abundant. Effects of MC-LR on avian microbiome have not been studied...
Non-native prey availability and over-compensatory density dependence drive population dynamics of a native fish predator
Madaline Cochrane, Timothy Cline, Travis S. Schmidt, James Dunnigan, Will Warnock, Clint C. Muhlfeld
2025, Ecological Applications (35)
Understanding the factors that regulate population dynamics is crucial for conserving imperiled species. Bull trout (Salvelinus confluentus), a piscivorous salmonid and one of North America's most threatened cold-water species, has declined significantly due to habitat loss, overfishing, invasive species, and climate change. While recovery efforts have primarily targeted these threats,...
Initial responses of songbird communities to forest reclamation on legacy surface mines
Rebecca N. Davenport, Christopher D. Barton, John J. Cox, Jacquelyn C. Guzy, Lauren Sherman, Jeffery L. Larkin, Todd Fearer, Steven J. Price
2025, Ecosphere (16)
Surface coal mining and subsequent reclamation efforts in the Appalachian Mountains, USA, transform the ecological characteristics of natural landscapes. The Forestry Reclamation Approach (FRA) is a mine reclamation method that emphasizes best management practices in forestry. FRA practices have demonstrated success in establishing native forests and accelerating natural succession on...
Diel and spatial variability in cyanobacterial composition, gene abundance, and toxin concentration: A pilot study
Victoria Christensen, Leon R. Katona, Jaime F. LeDuc, Ryan P. Maki, Hayley Olds, James C. Smith, Hailey Elizabeth Trompeter
2025, Scientific Reports (15)
We designed a pilot field study to assess relations between sunlight, cyanobacteria, and cyanotoxins. In 2021, we collected day (07:00 h, 10:00 h, 13:00 h, 16:00 h) and night samples (19:00 h, 22:00 h, 01:00 h, 04:00 h) at two locations in Kabetogama Lake, MN, USA. One sample set was collected from the lakeward end of a boat...
Magma fragmentation and tephra deposition from a small-volume phreatomagmatic eruption: Blue Lake crater, Oregon, USA
Sophia Leiter, Pierre-Simon Ross, Emily Renee Johnson
2025, Bulletin of Volcanology
Maars pose considerable hazards due to their more explosive nature (compared with more common scoria cones) and likelihood that eruptions produce pyroclastic surges. Blue Lake crater is a maar in the Oregon High Cascades that erupted within the last 3000 years, making it one of the youngest eruptions in the Oregon...
One hundred ninety-nine dead birds: Review of the scientific basis of ecological incident reporting requirements for pesticide registrants under Fifra § 6(A)(2)
Nimish B. Vyas, Cynthia Palmer
2025, Buffalo Environmental Law Journal (31)
The U.S. Environmental Protection Agency (EPA) regulates pesticide use in the United States. The EPA is charged by the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) with ensuring that a pesticide will not cause unreasonable adverse effects on the environment. Incident reports (documentation of exposure and injury from pesticide applications)...
Season, wind speed, and seasonal rain are major drivers of a regional aeolian sediment transport model
Andrew Kulmatiski, Mehmet Ozturk, Kelvyn K. Bladen, Janice Brahney, Michael C. Duniway
2025, PLoS ONE (20)
Wind erosion and sediment transport continue to increase in many parts of the world, leading to decreased soil quality, accelerated snow-melt, respiratory diseases, and traffic accidents. The processes that control sediment transport are well understood at small scales of mm to m but are less well understood at larger scales...
Quantifying landscape-level biodiversity change in an island ecosystem: A 50-year assessment of shifts in the Hawaiian avian community
Trevor Bak, Lucas Berio Fortini, Noah Hunt, Paul C. Banko, Lena Schnell, Richard J. Camp
2025, Ecography (2025)
Hawaii has experienced profound declines in native avifauna alongside the introduction of numerous bird species. While site-specific population studies are common, landscape-level analyses of avian population dynamics are rare, particularly in island ecosystems. To address this gap, we used a density surface model to create a spatio-temporal projection of population...
Unveiling coseismic deformation from differenced legacy aerial photography and modern lidar topography: The 1983 M6.9 Borah Peak earthquake, Idaho, USA
Chelsea P Scott, Nadine G. Reitman, Simone Bello
2025, Geophysical Research Letters (52)
The 1983 M6.9 Borah Peak, Idaho, earthquake is one of the largest historical normal fault earthquakes in the western United States. We quantified meter-scale vertical change along the 35 km-long rupture using topographic differencing of 1966 aerial imagery and 2019 lidar-derived data. The initial differencing results are largely obscured by horizontal...
Persistence of a declining anuran species across its distribution
Erin L. Koen, Edward Hance Ellington, William J. Barichivich, Howard Kochman, Kevin M. Enge, Susan E. Walls
2025, PLoS ONE (20)
Information on a species’ population dynamics, such as changes in abundance and distribution, can be used to identify declining populations and initiate conservation efforts and protections. For the Ornate Chorus Frog (Pseudacris ornata), anecdotal observations of local extirpation and population declines have been noted, but trends in its range-wide population...
Apicomplexan and non-metazoan microeukaryotes in the thermosensitive reef-building coral Acropora hyacinthus shift in abundance throughout an extreme coral bleaching event
Athena Peterson, Sunni Patton, Emily Rose Schmeltzer, Carsten Grupstra, Lauren Howe-Kerr, J. Grace Klinges, Rebecca Maher, Adrianna Messyasz, Sarah Seabrook, Andrew Thurber, Adrienne Correa, Rebecca Vega Thurber
2025, Frontiers in Marine Science (12)
Coral reefs play vital roles in global marine systems and are currently facing increased threats of bleaching. Coral bleaching is heavily influenced by the host-associated microeukaryote community – most notably the dinoflagellate family Symbiodiniaceae. The apicomplexan family Corallicolidae, is the second most abundant member of the microeukaryote community, yet their...
Reduced Atlantic reef growth past 2 °C warming amplifies sea-level impacts
Chris T. Perry, Didier de Bakker, Alice Webb, Steeve Comeau, Ben Harvey, Chris Cornwall, Lorenzo Alvarez-Filip, Esmerelda Perez-Cervantes, John T Morris, Ian C. Enochs, Lauren T. Toth, Aaron O'Dea, Erin M. Dillon, Erik H, Meesters, William F. Precht
2025, Nature (646) 619-626
Coral reefs form complex physical structures that can help to mitigate coastal flooding risk1,2. This function will be reduced by sea-level rise (SLR) and impaired reef growth caused by climate change and local anthropogenic stressors3. Water depths above reef surfaces are projected to increase as a result, but the magnitudes...
Spatial regimes provide ample early warning of tipping points
Craig R. Allen, Ahjond Garmestani, David G. Angeler, Lance Gunderson, Caleb Powell Roberts, S.M. Sundstrom, Daniel R. Uden, Jianguo Liu
2025, Advances in Ecological Research (73) 151-167
Accelerating global change is a hallmark of the Anthropocene, and the interaction of rapid change in climate, land use and land cover makes understanding the response of social-ecological systems to global change difficult to predict. Global change directly and indirectly affects both social-ecological systems and the landscapes in which they...
Population structure and movement dynamics of Redband Trout in the Kootenai River basin
Courtnie L. Ghere, Malte Willmes, Ryan S. Hardy, Tyler J. Ross, James Dunnigan, Sean Wilson, Scott Carleton, Michael C. Quist
2025, River Research and Applications (41) 2218-2233
Redband Trout Oncorhynchus mykiss gairdneri is a species of high conservation concern in the Kootenai River basin, United States and Canada. However, identifying the specific mechanisms influencing Redband Trout is difficult as its life history structure is largely unknown. Using otolith microchemistry analysis, we found that 18.5% (n = 66) of...
Toward a new framework to evaluate process-based model configurations and quantify data worth prior to calibration
Mark Shannon Pleasants, Michael N. Fienen, Hedeff I. Essaid, Joel D. Blomquist, Jing Yang, Ming Ye
2025, Water Resources Research (61)
Model criticism, discrimination, and selection methods often rely on calibrated model outputs. Because calibration can be computationally expensive, model criticism can first be undertaken by assessing model outputs obtained from limited prior parameter ensembles. However, such prior-based methods are often heuristic and do not formalize the notion of balancing model...
RUSH: Rapid remote sensing Updates of land cover for Storm and Hurricane forecast models
Chak Wa Cheang, Kristin Byrd, Nicholas Enwright, Daniel D. Buscombe, Christopher R. Sherwood, Dean B. Gesch
2025, Remote Sensing (17)
Coastal vegetated ecosystems, including tidal marshes, vegetated dunes, and shrub- and forest-dominated wetlands, can mitigate hurricane impacts such as coastal flooding and erosion by increasing surface roughness and reducing wave energy. Land cover maps can be used as input to improve simulations of surface roughness in advanced hydro-morphological models. Consequently,...
Understanding market sensitivity: Estimation of supply and demand elasticities for non-fuel minerals
Ensieh Shojaeddini, Elisa Alonso, Nedal T. Nassar, David Pineault, Sydney M. Allen, Jamie L. Brainard, Dalton M. McCaffrey, Timothy M. O'Brien, Abraham J. Padilla, John W. Ryter
2025, Mineral Economics (38) 985-996
In today’s rapidly changing economic landscape, understanding market responsiveness to price changes and the factors influencing commodity prices has become increasingly relevant. Price elasticities serve as indicators of how variations in market conditions affect supply and demand, providing insights into the sensitivity of commodity markets to price fluctuations. This paper...
An exploration of the relative influence of physical models for Omori’s law
Thomas E. Parsons, Eric L. Geist, L. Malagnini
2025, Frontiers in Earth Science (13)
Omori’s law states that the rate of aftershocks decays as a function of inverse time. There are multiple physical explanations that we reduce into a nonlinear mixed effects relation of three terms: (1) a Rate/State expression that can account for static/dynamic and viscoelastic triggering caused directly by the mainshock, (2)...
Causal interpretations can be based on mechanistic knowledge
James Grace, Glenn Guntenspergen, Kevin J. Buffington, Justine Annaliese Neville, Karen M. Thorne, Michael J. Osland, Melinda Martinez, Joel Carr, Debra A. Willard
2025, Journal of Ecology (113) 3084-3098
There exists a long-standing disconnect between statistical and mechanistic approaches to the development of causal understanding. Statistical approaches, which have dominated the literature, have focused on the need to obtain perfectly unbiased estimates of causal effects often using either experimental, quasi-experimental or other methods. Mechanistic approaches have instead focused...
Movements and habitat use vary across the Rocky Mountain Population of trumpeter swans
Sharon A. Poessel, Todd Sanders, William Long, Andrea Kristof, Brandon Reishus, Matt Proett, Claire Gower, Nicole Ibrahim, Todd E. Katzner
2025, Journal of Wildlife Management (89)
The Rocky Mountain Population (RMP) of trumpeter swans Cygnus buccinator (hereafter, swans) in North America includes breeders in the Greater Yellowstone Area (GYA) and other western states (together, United States segment) and western provinces of Canada (Canada segment). Conservation concern for the United States segment stems from its slow population growth and...
Extremophile hotspots linked to containerized industrial waste dumping in a deep-sea basin
Johanna Gutleben, Sheila Podell, Kira Mizell, Douglas Sweeney, Carlos Neira, Lisa A. Levin, Paul R. Jensen
2025, PNAS Nexus (4)
Decaying barrels on the seafloor linked to DDT contamination have raised concerns about the public health implications of decades old industrial waste dumped off the coast of Los Angeles. To explore their contents, we collected sediment cores perpendicular to five deep-sea barrels. The concentration of DDT and its breakdown products...
Catchment prioritization for freshwater mussel conservation in the Northeastern United States based on distribution modelling
Rebecca S.M. O’Brien, Graziella Vittoria DiRenzo, Allison H. Roy, Jason Carmignani, Rebecca M. Quinones, Jennifer B. Rogers, Beth I. Swartz
2025, PLoS ONE (20)
Freshwater mussels are critical to the health of freshwater systems, but their populations are declining dramatically throughout the world. The limited resources available for freshwater mussel conservation necessitates the geographic prioritization of conservation-related actions. However, lack of knowledge about freshwater mussel spatial distributions hinders decision making in this context. In...
Analysis of a human-mediated microbioinvasion: The global spread of the benthic foraminifer Trochammina hadai Uchio, 1962
Mary McGann, Maria Holzmann, Vincent M.P. Bouchet, Sibelle Trevisan Disaró, Patricia P.B. Eichler, David W. Haig, Stephen J. Himson, Hiroshi Kitazato, Jean-Charles Pavard, Irina Polovodova Asteman, Andre R. Rodrigues, Clement M. Tremblin, Masashi Tsuchiya, Mark Williams, Phoebe O'Brien, Josefin Asplund, Malou Axelsson, Thomas Lorenson
2025, Journal of Micropalaeontology (44) 275-317
A non-indigenous species (NIS) of benthic foraminifera was first identified in a core collected in 1993 in San Francisco Bay, California, USA, and subsequently identified as Trochammina hadai Uchio, 1962. Archived samples and literature reviews were used to determine that the species, which is native to Asia, arrived in San Francisco Bay...
Placing environmental DNA monitoring for new detections into perspective: Fishes in the Milwaukee River, Wisconsin
Richard A. Erickson, Patrick W. DeHaan, Nicholas K. Frohnauer, Cari-Ann Hayer, Keta L. Oettinger, Tariq Tajjioui, Kyle M. Von Ruden, Hailey M. Willner, Stephen Frank Spear
2025, Journal of Wildlife Management (89)
Invasive species management frameworks, such as the early detection of and rapid response to invasive species, use monitoring programs to detect new species occurrences. Resource managers use environmental DNA (eDNA) as one tool for these monitoring programs. An eDNA detection in a new location may lack perspective for resource managers...
A scientific vision and roadmap for earthquake rupture forecast developments, a USGS perspective
Edward H. Field, Alexandra Elise Hatem, Bruce E. Shaw, Morgan T. Page, P. Martin Mai, Kevin Ross Milner, Andrea L. Llenos, Andrew J. Michael, Frederick Pollitz, Jessica Ann Thompson Jobe, Thomas E. Parsons, Olaf Zielke, David R. Shelly, Alice-Agnes Gabriel, Devin McPhillips, Richard W. Briggs, Elizabeth S. Cochran, Nico Luco, Mark D. Petersen, Peter M. Powers, Justin Rubinstein, Allison Shumway, Nicholas van der Elst, Yuehua Zeng, Christopher DuRoss, Jason M. Altekruse
2025, Bulletin of the Seismological Society of America (115) 2523-2552
We articulate a scientific vision and roadmap for the development of improved Earthquake Rupture Forecast models, which are one of the two main modeling components used in modern seismic hazard and risk analysis. One primary future objective is to provide fully time-dependent models that include both elastic rebound and...
