Cyanotoxin production in shallow subtropical lakes is driven by nutrient enrichment and primary producer abundance on the millennial scale
Savvas Paradeisis-Stathis, Matthew N. Waters, Debra A. Willard, Sophia Foliano, Richard S. Vachula
2025, Harmful Algae (151)
Increased cyanotoxin concentrations from harmful algal blooms (HABs) in lake systems pose a global challenge to water quality. Although progress has been made in monitoring cyanotoxins in modern environments over recent decades, identifying the triggers of cyanotoxin release by cyanobacteria has yielded mixed results from experimental and analytical studies. Paleolimnological...
Toward a shared vision for climate-informed resource stewardship
Brian W. Miller, Gregor W. Schuurman, Wylie Carr, David J. Lawrence, Lindsey Thurman, Aparna Bamzai-Dodson, Leslie A. Brandt, Shelley D. Crausbay, Molly Elizabeth Smith Cross, Mitchell J. Eaton, Maria K. Janowiak, D. Todd Jones-Farrand, Julian Reyes
2025, Frontiers in Ecology and the Environment (23)
Climate-change adaptation planning processes and tools are increasing in number and evolving rapidly. During times of innovation and proliferation, a potential danger is incoherence, when well-intended contributions can overwhelm, create confusion, or mask complementarities. A shared vision is needed to avoid duplication, reduce misunderstandings, and facilitate work across jurisdictions to...
Expression and mechanisms of behavioral plasticity in large mammals
Rebecca R. Thomas-Kuzilik, Justine A. Becker, Jeffrey L. Beck, Justin G. Clapp, Alyson B. Courtemanch, Gary L. Fralick, Chris Geremia, L. Embere Hall, Matthew Kauffman, Blake Lowrey, Matthew C. Metz, Hollie M. Miyasaki, Kevin L. Monteith, Anna C. Ortega, Hall Sawyer, Douglas W. Smith, Erin E. Stahler, Daniel R. Stahler, Tana L. Verzuh, Jerod A. Merkle
2025, Ecosphere (16)
Behavioral plasticity, the alteration of behavior in response to stimuli, is becoming increasingly important in the context of human-induced rapid environmental change. Theoretical and empirical studies suggest that the expression and magnitude of behavioral plasticity are likely facilitated or constrained primarily by two factors: environmental variation and endogenous traits such...
GlASS - Global Aggregation of Stream Silica
Kathi Jo Jankowski, Keira Johnson, Nicholas Lyon, Sidney A. Bush, Paul Julian, Lienne R. Sethna, Diane M. McKnight, William H. McDowell, Adam S. Wymore, Pirkko Kortelainen, Hjalmar Laudon, Ruth C. Heindel, Amanda Poste, Arial J. Shogren, Fred Worrall, Luke Mosley, Pamela L. Sullivan, Joanna C. Carey
2025, Scientific Data (12)
Riverine silicon (Si) plays a vital role in governing primary production, water quality, and carbon cycling. Climate and land cover change have altered how dissolved Si (DSi) is processed on land, transported to rivers, and cycled through aquatic ecosystems. The Global Aggregation of Stream Silica (GlASS) database was constructed to...
Land application of biosolid, livestock, and drilling wastes to US farmland: A potential pathway for the redistribution of contaminants in the environment
Jason R. Masoner, Dana W. Kolpin, Isabelle M. Cozzarelli, Denise M. Akob, Christopher H. Conaway, Carrie E. Givens, Michelle L. Hladik, Laura E. Hubbard, Rachael F. Lane, R. Blaine McCleskey, Todd M. Preston, Clayton D. Raines, Matthew S. Varonka, Michaelah C. Wilson
2025, Environmental Science: Processes & Impacts (27) 3372-3402
In the United States (U.S.), waste byproducts generated from the treatment of municipal waste (biosolids), production of livestock (livestock waste), and drilling of oil and gas wells (drilling waste) are commonly applied to agricultural lands. Although this can be a cost-effective reuse/disposal practice, there is limited research on the potential...
Weather drivers of reproductive variability in perennial plants and their implications for climate change risks
Valentin Journé, Dave Kelly, Andrew Hacket-Pain, Ian S. Pearse, Jakob Szymkiowak, Jessie Foest, Katarzyna Kondrat, Iris Oberklammer, Mario B. Pesendorfer, Akiko Satake, Michal Bogdziewicz
2025, Nature Communications (16)
Seed production in perennial plants often shows strong year-to-year variation, a phenomenon known as masting. Masting is typically adaptive and driven by weather cues that synchronize reproduction by promoting or suppressing flowering and seed set. These cues, involving temperature, precipitation, and drought, differ across species and regions, yet a global...
Rare earth element-mineralized carbonatite in the Bear Lodge Alkaline Complex, USA—Ore genesis implications from fluid inclusion characterization
Allen K. Andersen, Danielle A. Olinger, Mitchell M. Bennett
2025, American Journal of Science (325)
Rare earth element (REE) resources of the Bear Lodge Alkaline Complex, Wyoming, are hosted in variably leached carbonatite spatially related to diatreme breccia pipes. We investigated the genesis of REE and lesser-known gold resources through fluid inclusion analysis of carbonatite, fluorite breccia, and smoky quartz vein samples. Physicochemical characteristics of...
Challenges and opportunities in mitigating sarcoptic mange in wild South American camelids
Alynn Martin, Emiliana Isasi-Catalá, Marilia Salgado-Caxito, Ana Gallegos, Leonardo Hostos-Olivera, Paulo Colchao-Claux, Steven J. Smith, Fabian Beltran-Saavedra, Catherine Dougnac, Camila Germana, Mariana Montoya, Scott Carver, Paul C. Cross, Chris Walzer
2025, The Journal of Wildlife Management
Vicuñas (Vicugna vicugna) and guanacos (Lama guanicoe) are the two species of wild South American camelids whose distributions range from Peru to northern Argentina and southern Peru to southern Argentina, respectively. Listed as critically endangered in the 1960s due to poaching, vicuña numbers had been gradually recovering;...
Advancing climate adaptation for inland fish and fisheries
Abigail J. Lynch, T. Douglas Beard Jr., Craig P. Paukert
2025, Fisheries
Climate change was barely a blip on the radar for inland fisheries management 20 years ago. Today, it's a central focus. A 2016 paper helped shift conversations, sparked adaptation efforts across fisheries management. The future is still uncertain, but adaptation is key to sustaining these important resources....
Do bighorn sheep use desert tortoise burrow spoil piles as mineral licks in southern California?
Jeffrey E. Lovich, Danielle M. Cleveland, Charles Yackulic, Kristy L. Cummings, Michele R. Puffer, Molly J. Bechtel, Christopher R. Tracy, William J. Hoese, Gerardo Avila, Megan Peukert, Samantha Hubbard
2025, Bulletin, Southern California Academy of Sciences (124) 55-66
In a previous study, bighorn sheep (Ovis canadensis) were periodically photographed by trail cameras when they visited desert tortoise (Gopherus agassizii) burrows in the San Bernardino Mountains near Palm Springs, California, USA. The authors suggested that bighorn sheep may utilize the excavated spoil material from burrows as a mineral lick....
Quantifying benthic flux of Mysis biomass through diel vertical migration at the ecosystem scale
Brian O’Malley, Georgia Wende Hoffman, Rosaura J. Chapina, Jason D. Stockwell, Collin J. Farrell
2025, Ecosystems (28)
Mysis diluviana is a macroinvertebrate that couples benthic and pelagic habitats on a daily timescale through diel vertical migration (DVM). However, quantifying how much Mysis biomass is exchanged between benthic and pelagic habitats at an ecosystem scale is difficult because of sampling limitations and variability in Mysis DVM behavior related to light and depth. Although Mysis are...
Emerging investigator series: Post-wildfire sediment geochemical characterization reveals manganese reactivity and a potential link to water quality impairment in the Gallinas Creek watershed, New Mexico
Elizabeth Jean Tomaszewski, Sheila F. Murphy, Johanna Blake, Michelle I. Hornberger, Gregory D. Clark
2025, Environmental Science: Processes and Impacts (27) 3551-3571
Water quality post-wildfire is often impaired by increased turbidity and elevated concentrations of elements such as manganese (Mn) and iron (Fe). Precipitation events exacerbate these issues, due in part to increased erosion and transport of sediment from hillslopes to surface water. Both Mn and Fe are major redox-active elements in...
Impact of warming and suspended terrigenous sediment on the Hawaiian reef coral Montipora capitata
Alexandra M. Good, Ashleigh Epps, Maile Coberly, Kuʻulei S Rodgers, Nancy G. Prouty, Curt D. Storlazzi, Keisha D. Bahr
2025, Coral Reefs (44) 2065-2081
Coral reefs near high human population areas suffer from sedimentation and increased turbidity due to coastal development. However, there is limited research on how key species respond to turbidity caused by terrigenous sediment and how this response may change with increased water temperatures. This study investigated the effects of ambient...
Re-oligotrophy in the Upper Mississippi River, USA, occurred in just a few years
Killian Davis, Wako Bungula, Danelle M. Larson
2025, Freshwater Science
Ecological systems can undergo large changes and regime shifts that are either catastrophic, neutral, or desirable. Rivers worldwide have recently undergone desirable regime shifts related to re-oligotrophy, which is a notable and ongoing reduction in concentrations of total suspended solids (TSS), total N, total P, or phytoplankton. For example, the...
Subduction zone earthquake catalog separation tool: Implementation in the USGS 2025 Puerto Rico and U.S. Virgin Islands National Seismic Hazard Model
Kirstie Lafon Haynie, Eric M. Thompson, Mike Hearne, Gavin P. Hayes, David R. Shelly, Allison Shumway, Andrea L. Llenos, Andrew J. Michael, Peter M. Powers
2025, Seismological Research Letters
The U.S. Geological Survey (USGS) periodically releases updates to National Seismic Hazard Model (NSHM) for the United States and its territories leveraging current scientific knowledge and methodologies to guide public policy, building codes, and risk assessments regarding potential ground shaking due to earthquakes...
Variation in detection distance of Eastern Black Rail (Laterallus jamaicensis jamaicensis) vocalizations by autonomous recording units
Blake D. Lamb, Heather E. Levy, Elizabeth A. Beilke, Chelsea S. Kross, Peter J. Kappes, Matt J. Sukiennik, James A. Cox, Jennifer K. Wilson, Jarrett O. Woodrow, Matthew J. Butler, Theodore J. Zenzal Jr., Auriel M.V. Fournier, Mark S. Woodrey
2025, Waterbirds (48) 1-12
Autonomous recording units (ARUs) are an emerging technology that allows for passive monitoring of soniferous animals and soundscapes. Over the past decade, ARUs have become a popular tool for monitoring birds for their potential to reduce the labor and costs of traditional in-person sampling procedures. However, uncertainty surrounding factors affecting...
Lake depth and light conditions alter Mysis vertical distributions
Rosaura J. Chapina, Brian O’Malley, Kelly L. Bowen, Martta L.M. Viljanen, Zachary A. Bess, Daniel L. Yule, Jens C. Nejstgaard, Stella A. Berger, Michael D. Rennie, Michael J. Paterson, Steven A. Pothoven, James M. Watkins, Lars G. Rudstam, Sudeep Chandra, Jason D. Stockwell
2025, Journal Great Lakes Research
Light regulates the vertical migration of many aquatic organisms. Mysis species couple pelagic and benthic habitats in lakes by diel vertical migrations (DVM), transporting energy and nutrients through the water column and food web. Although Mysis are generally assumed to remain on the bottom during the day, some have been observed in the pelagic...
Exploring the exploitation of migratory moths by radio-marked grizzly bears in Wyoming
Justin Clapp, Mark Haroldson, Justin A. Dellinger, Daniel D. Bjornlie, Daniel J. Thomposon, Frank T. van Manen
2025, Journal of Wildlife Management
Grizzly bear (Ursus arctos) feeding on migratory army cutworm moths (Euxoa auxiliaris) was first documented by the Interagency Grizzly Bear Study Team (IGBST) during the early 1980s in the southeastern portion of the Greater Yellowstone Ecosystem (GYE). Since those initial observations, use of this seasonally available food resource by grizzly...
Evaluating effectiveness of flocculation and wave-reduction barriers for restoration of a turbid, terminal lake
Cassandra Smith, Randy Joe Brannan
2025, Wetlands Ecology and Management (33)
Malheur Lake is a freshwater, shallow lake that provides key habitat for birds along the Pacific Flyway in North America. The lake shifted to a turbid state in the 1990s with suspended-sediment concentrations sometimes exceeding 1000 mg/L and minimal light available in the water column for submerged aquatic vegetation. Resource...
A short-term sublethal oral exposure to microcystin-LR disrupts cecal microbiome homeostasis in mallard
Serguei Vyacheslavovich 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...
Rallus elegans (King Rail) occupancy is stable, but habitat is in short supply in the Arkansas Delta
Caleb P. Roberts, Jessica Novobilsky, Paul Akpejeluh, Lauren L. Berry, Michael J. Budd, Michael C. Ferrara, Lindsey A. LaBrie, Lauren Luther, Vinita Karki, David Krementz, Karen Rowe, Michael Shaw, Kenneth Wilson, Auriel M.V. Fournier
2025, Ornithological Applications
Secretive marsh birds experienced precipitous declines due to losses in wetland habitat across North America. However, from 1998 to 2004, wetland area increased, and between 2009 and 2019, the extent of emergent wetlands did not significantly decrease. This raises the question: how did secretive marsh birds, which...
Does tidal marsh restoration lead to the recovery of trophic pathways that support estuarine fishes?
Megan D. Pagliaro, Susan E.W. De La Cruz, Isa Woo, Jake Sousa, Natalie Rich, Lenny Grimaldo, Denise Colombano, Albert Ruhí
2025, Ecological Applications (35)
Evaluation of tidal marsh restoration success is typically based on the recovery of habitat size and target species. However, food-web structure may provide valuable insight into ecosystem functioning trajectories. Here, we studied restored tidal marshes of different ages (new, young, old; spanning 1–150 years) in comparison with nearby reference sites along the San...
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,...
Agronomic practices vs. natural soil factors: Influences on nitrous oxide emissions from corn and soybean fields.
Jamshid Ansari, Morgan Davis, Chenhui Li, Sheel Bansal
2025, Agronomy (15)
Nitrous oxide (N2O), a potent greenhouse gas (GHG) and major contributor to climate change, is primarily released through agricultural activities. To better understand and quantify how land management practices, local climate conditions, and soil physicochemical properties affect these agricultural N2O emissions, we conducted a review of the peer-reviewed literature on...
Sapsucker wells as a keystone nutritional resource: Evaluating methods for detection of secondary sap consumers
Richard Clawges, Shannon Blair, Jan H. Eitel, Leona Kay Svancara, Lee A. Vierling, Kerri Vierling
2025, Ecology and Evolution (15)
North American sapsuckers are considered double keystone species because they (1) excavate nest cavities that are used by other birds, small mammals, and invertebrates, and (2) create and maintain sap wells, a temporary nutritional resource available to a variety of secondary consumers. Most previous reports of secondary sap consumption relied...
