Enduring cultural legacies affect Euro-American wildlife values
Michael J. Manfredo, Tara L. Teel, Benjamin Ghasemi, Thao Tran, Ugo Arbieu, Richard Eugene Waggaman Berl, Duan Biggs, Luigi Boitani, Paolo Ciucci, Miguel Delibes-Mateos, Enrico Di Minin, Sabrina Dressel, Christian Gamborg, Jenny Anne Glikman, Catherine Hill, Maarten Jacobs, Frank Søndergaard Jensen, Irena Kavčič, Rose Keller, Silvio Marchini, Sofia Nanni, Agnieszka Olszańska, Jonathan Salerno, Camilla Sandström, Kenneth Shockley, Dean Smith, Eick von Ruschkowski
2026, Nature Sustainability
Social values shape biodiversity conservation success. Yet information is lacking on how values form, change and adapt people to their environment. Our 33-nation survey in 2021–2023 (n = 18,477) explored the effect of the institutions of European colonization on present-day values towards wildlife in the Americas. Here we found mutualism values (seeing...
Unraveling protracted modification of Archean and Paleoproterozoic crust in central Laurentia, Penokean orogen, with garnet and accessory mineral geochronology and microstructural analysis
Ross Anthony Salerno, William F. Cannon, Jay M. Thompson, Amanda Kate Souders, Jeffrey D Vervoort, Ian William Hillenbrand
2026, GSA Bulletin
Proterozoic metamorphism and deformation of the southern margin of the Superior craton in the Lake Superior region is attributed to the Penokean orogeny (1890−1830 Ma). This model includes a period of crustal inversion in which Archean basement blocks were exhumed through overlying Paleoproterozoic strata, producing the corridor of gneiss domes...
Melanoma and other melanistic lesions in brown bullhead Ameiurus nebulosus from waterbodies in the northeastern United States and Canada: Identification of risk factors
Vicki S. Blazer, P. Emerson, M. Bodnar, Thomas Jones, D. R. Russel, M. Pehrson, Cheyenne R. Smith, Danielle M. Cleveland, Mark J. Henderson, Patricia Mazik
2026, Journal of Fish Diseases
Melanistic lesions, including non-raised black areas due to proliferations of melanocytes and melanomacrophages in the dermis and epidermis, as well as raised black areas consistent with melanoma, are described in brown bullhead (BBH) Ameiurus nebulosus from three water bodies in the northeastern United States and Quebec, Canada. First observed in the Vermont...
Feathers and flu: Identifying data gaps in avian influenza host dynamics to prioritize wildlife conservation
Johanna Harvey, Matthew Gonnerman, Shenglai Yin, Cody M. Kent, Joshua Cullen, Jeffery D. Sullivan, Jonathan Dain, Nichola J. Hill, Diann Prosser, Jennifer Mullinax
2026, Wildlife Monographs
Highly pathogenic avian influenza viruses (HPAIV) have had disastrous, worldwide effects on wild birds and domestic poultry since the emergence of the A/goose/Guangdong/1/1996 (Gs/GD/96) lineage. The currently circulating H5N1 clade 2.3.4.4b has an expanded set of susceptible hosts, including many migratory wild birds, and is associated with higher transmission rates,...
Dynamic coupling between faulting, rifting and magmatism during 2021-2025 unrest on Reykjanes Peninsula, Iceland
Tomáš J. Fischer, Pavla Hrubcová, Josef Vlček, Gregory de Pascale, Thorvaldur Thordarson, Halldór Geirsson, Anthony Lomax, Robert J. Skoumal
2026, Geophysical Research Letters (53)
Interactions among faulting, earthquakes, and eruptions are fundamental to plate tectonics and hazard forecasting yet rarely observed along mid-ocean ridges. On Iceland's Reykjanes Peninsula, seismotectonic–volcanic unrest resumed after nearly 800-year hiatus, providing an opportunity to observe these interactions during 2021–2025 activity. By integrating high-resolution seismicity, focal mechanisms, satellite geodesy, surface...
Advancing monitoring approaches to enhance tidal Chesapeake Bay habitat assessment for submerged aquatic vegetation, water clarity, chlorophyll a and dissolved oxygen
Peter J. Tango, Brooke J. Landry, Mark Trice, Breck M Sullivan, Tish Robertson, William C. Dennison
2026, Conference Paper
Water quality monitoring capacity has been declining for the Chesapeake Bay Program (CBP) at a time when information needs are growing, and data gaps exist to address critical decision-support for managers. The CBP Scientific Technical Assessment and Reporting Team is leading a Principal’s Staff Committee requested gap analyses toward understanding...
Baseflow and snowmelt sustained streamflow in the Upper Colorado River Basin, 1986-2020
Olivia L. Miller, Matthew P. Miller, Patrick C. Longley, Noah M. Schmadel, Daniel R. Wise, Morgan C. McDonnell, Jay R. Alder
2026, Environmental Research: Water (2)
The Upper Colorado River Basin (UCRB) faces substantial water availability limitations. Although most streamflow originates as snowmelt, the partitioning of snowmelt between surface runoff and groundwater recharge and subsequent groundwater discharge to streams is highly uncertain. On average, over half of the streamflow in the UCRB is estimated to originate...
Quantifying southern sea otter (Enhydra lutris nereis) reactions to a quadcopter drone in central California
Colleen Young, Julie L. Yee, Gena Bentall, Michelle M. Staedler, Lilian P. Carswell, Margaret Daly
2026, Marine Mammal Science (42)
Drones are useful for wildlife research and management, but they can cause disturbance and harassment to wildlife. Sea otters (Enhydra lutris) are candidates for drone-based observation and monitoring but are vulnerable to disturbance. No studies have evaluated drone effects on sea otter behavior, but based on prior disturbance studies, we...
VegET evapotranspiration for Africa: Continental-scale simulation, multi-product evaluation, and drought assessment
Komlavi Akpoti, Naga Manohar Velpuri, Mansoor Leh, Stefanie Kagone, Kirubel Mekonnen, Afua Owusu, Mulugeta Tadesse, Paranamana T. Prabhath, Lahiru Madushanka, Tharindu Perera, Gabriel Edwin Lee Parrish, Vinay Nangia, Souleymane Sy, Jan Bliefernicht, Samuel Guug, Abdulkarim Seid, Gabriel B. Senay
Gabriel B. Senay, editor(s)
2026, Journal of Hydrology: Regional Studies (66)
Study regionContinental Africa, encompassing diverse climatic zones—tropical, arid, and temperate—and spanning major transboundary river basins such as the Nile, Niger, Congo, Volta, and Zambezi River Basins. The region exhibits pronounced hydroclimatic gradients and heterogeneous land use systems ranging from rainfed croplands and rangelands...
Evaluation of stream capture related to groundwater pumping, middle Humboldt River Basin, Nevada
Kyle W. Davis, William G. Eldridge, Kip K. Allander, David E. Prudic, Murphy A. Gardner, Michael T. Pavelko, Cara A. Nadler
2026, Professional Paper 1906
Historical, future, and potential stream capture from groundwater pumping in the middle Humboldt River Basin (MHRB), Nevada, is estimated using a calibrated numerical groundwater flow model. The model was developed to estimate (1) stream capture, which is the change in flux between the groundwater system and the Humboldt River and...
Predictable seismic cycles result from structural rupture barriers on oceanic transform faults
Jianhua Gong, Wenyuan Fan, Jeffrey J. McGuire, Mark D. Behn, Jessica M. Warren, Emily Roland, M. S. Boettcher, J. A. Collins, Y. Liu, C. R. German
2026, Science (392) 718-723
Earthquakes of magnitude (M) >5.5 on oceanic transform faults (OTFs) repeatedly rupture the same locked patches, sometimes quasiperiodically. These patches are separated by “barriers” that halt earthquake propagation and slip mostly aseismically. However, the physical processes governing this systematic behavior remain unclear. We analyzed two barriers along the Gofar transform...
Syn-magmatic subsidence during the early stages of continental rifting in the Mesoproterozoic—A reanalysis of legacy data for the Midcontinent Rift, western Lake Superior
V. J. Grauch, Laurel G. Woodruff, Samuel J. Heller, Esther K. Stewart
2026, Geosphere
The Midcontinent Rift system (ca. 1.1 Ga) is a 2000-km-long series of elongated volcanic and sedimentary troughs and associated intrusive centers exposed chiefly in the Lake Superior region of North America. The rift system represents a long history of intense magmatism and subsequent sedimentation that was arrested by far-field tectonic...
Practical guidance for engaging end-users and experts in developing scientific tools
Kaylin R. Clements, James J. English, Emily J. Wilkins, Megan A. Moore, Rudy Schuster
2026, Scientific Investigations Report 2026-5137
This report provides actionable guidance for scientists developing scientific tools that inform on-the-ground decision making. Scientific tools, in the context of this report, are technology or protocols that help practitioners collect and analyze their own data, and information products and web tools that practitioners could use to inform decisions. Engaging...
Timing, uncertainty, and opportunity cost: Lessons for ecosystem modification on the Colorado River
Pierce Donovan, Lucas Bair, Matthew N. Reimer, Michael R. Springborn, Charles B. Yackulic
2026, Journal of Environmental Economics and Management (139)
While conservation goals have long been pursued through traditional species-augmenting actions, a broader set of episodic ecosystem modification (EEM) actions, such as hydropower dam releases, prescribed fire, and beach nourishment, is garnering attention. EEM actions face several implementation challenges stemming from high opportunity costs, delayed effect mechanisms, reliance on monitoring...
Water table rise sustains carbon release from soils in wetland-dominated landscapes: An intact soil core study
Katherine Wardinski, Carla López Lloreda, Nicholas Corline, Laura Lehmann, Kelly Peeler, Daniel L. McLaughlin, Erin Hotchkiss, Kevin Alexander Ryan, C. Nathan Jones, Brian Strahm, Margaret A. Palmer, Durelle R Scott
2026, Biogeochemistry (169)
Wetland-dominated landscapes influence carbon cycling through their potential to act as both carbon sinks and sources. Wetlands in low-relief landscapes have dynamic terrestrial-aquatic interfaces that change seasonally with variable surface water and groundwater levels. However, few studies have directly quantified dissolved organic matter (DOM) release and greenhouse gas (CO2, CH4)...
Integrating mark-recapture, catch, and expert habitat assessments to quantify recent increases in humpback chub abundance over a 200 km long river segment of the Colorado River in western Grand Canyon
Maria C. Dzul, David R. Van Haverbeke, Kirk Young, Charles B. Yackulic, Pilar Rinker, Michael D. Yard
2026, Canadian Journal of Fisheries and Aquatic Sciences (83) 1-13
Humpback chub, Gila cypha, were historically distributed throughout large portions of the Colorado River basin and were federally listed in 1967. In the Grand Canyon segment of the Colorado River, located below Glen Canyon Dam, chub abundances continued to decline through the early 2000s. Recently, catch has increased substantially, especially in the...
Storm surge barriers reduce seaward sediment supply to lagoonal estuaries
David K. Ralston, Philip M. Orton, John C. Warner, Shima Kasaei
2026, Earth's Future (14)
Numerical simulations with realistic forcing of fixed infrastructure for a proposed storm surge barrier for a lagoonal estuary, Jamaica Bay (New York, USA), are analyzed during typical forcing conditions to assess alterations to flow and sediment transport with the barrier open. Lagoonal estuaries are shallow and have modest watershed freshwater...
Biocrust and seed placement influence emergence rates of perennial grass Elymus elymoides across five North American deserts
Abby McMurtry, Pradip Saud, Ellie McCann, Sasha C. Reed, Armin J. Howell, Robin Reibold, Akasha M. Faist
2026, Journal of Applied Ecology (63)
1. Dryland vascular plant emergence is often limited by water availability especially with projected climate and precipitation changes. Biological soil crusts (biocrusts) can promote water retention and nutrient availability that benefit germination, and emergence yet can also act as a surface barrier preventing critical seed soil contact and hindering emergence....
Salinas Valley integrated hydrologic and reservoir operations models, Monterey and San Luis Obispo Counties, California
Wesley R. Henson, Randy Hanson, Scott Boyce, Joseph Hevesi, Marisa M. Earll, Deidre M. Herbert, Elizabeth R. Jachens
2026, Scientific Investigations Report 2026-5005
The area surrounding the Salinas Valley groundwater basin in Monterey and San Luis Obispo Counties of California is a highly productive agricultural area, contributes substantially to the local economy, and provides a substantial portion of vegetables and other agricultural commodities to the Nation. This region of California provides about half...
Toxicity of synergized permethrin residues in cattle dung to two temperate dung beetle species after application of common livestock pour-on treatment
Michael C. Cavallaro, Michelle L. Hladik, Rodrigo Soares, Mikaela Anderson, W. Wyatt Hoback
2026, Agriculture, Ecosystems, and Environment (408)
Essential to pasture health, dung beetles (Coleoptera: Scarabaeidae) provide key ecosystem services across natural and managed rangeland habitats. Insecticide residues in livestock dung can negatively impact dung beetle populations, and synergized pyrethroid products are commonly used to combat resistant pest fly populations. Here, permethrin residues were measured by GC-MS/MS in...
Top Elevation of Glacial Till and Thickness of the Big Sioux Aquifer Delineated From Electrical Resistivity Tomography Surveys Near Sioux Falls, South Dakota, 2022 and 2025
Colton J. Medler, Todd M. Anderson
2026, Scientific Investigations Report 2026-5023
The City of Sioux Falls, South Dakota, requested the U.S. Geological Survey perform electrical resistivity surveys on three parcels of land north of the city. Electrical resistivity data were collected along a total of 22 transects during March 14–18, 2022, and November 17–21, 2025. Results from electrical resistivity surveys were...
Calcareous nannofossil assemblage changes in the Surprise Hill core and their implications for floral response to the Paleocene-Eocene Thermal Maximum across the Salisbury Embayment of Virginia, USA
Masayuki Utsunomiya, Jean Self-Trail, D. Clay Kelly, Xiaodong Zhang, Kristina Frank Gardner, James C. Zachos
2026, Marine Micropaleontology (204)
We present Paleocene-Eocene calcareous nannofossil biostratigraphy and paleoecology for the Surprise Hill core, U.S. Atlantic Coastal Plain, Virginia. Calcareous nannofossil datums ranging from Zone NP3 to NP14 were identified. The Danian-aged Brightseat Formation rests unconformably atop the Lower Cretaceous Potomac Group at 211.4 m and disconformably underlies the Aquia Formation at...
Watershed Continuum Monitoring Approach: Combining multiple water quality patterns along stream and river flowpaths to track sources, pathways, and processing of pollutants
Sujay Kaushal, Ashley Mon, Stanley Grant, Paul M. Mayer, Aaron J. Porter, Andrew J. Sekellick, Jason Hamilton Chase, Shantanu Bhide, John D. Jastram, Tammy Newcomer-Johnson, Sydney A. Shelton, Alexis M. Yaculak, Joseph T. Malin, Carly Marcella Maas, Nicholas Salanitri, Daniel J. Silberstein, Steven P. Hohman, Ashley B. Dann, Weston M Slaughter, Megan A. Rippy, Ahmed Monofy, Ruth R. Shatkay, Jenna E. Reimer, Madeleine Seppi, Randi Noel, Julianna Mussa, Bennett Kellmayer, Gwendolyn Sivirichi, Melissa Grese, Walter L.M. Boger, Jeffrey G. Chanat, Shuiwang Duan, Kenneth T. Belt
2026, Ecological Engineering (229)
There is a growing need to improve and expand water quality monitoring approaches to more accurately track the sources, fate, and transport of multiple chemicals and pollutants holistically and quantify the effects of best management practices (BMPs) at the watershed scale. An overarching question raised by scientists, environmental managers, and...
Effects of wildfire on soil hydraulic properties in the western Oregon Cascades
Cedric Pimont, Evan A. Thaler, Brian A. Ebel, Kevin D. Bladon
2026, JGR Biogeosciences (131)
Wildfires can substantially impact the hydrology of forested watersheds, increasing the risk of hydrologic hazards such as flash floods and debris flows. Soil hydraulic properties related to infiltration are a key control in determining the timing and magnitude of these hydrogeomorphic events. In our study, we collected 445 soil cores...
PDCD-DAT: A global database of pyroclastic density current deposit field data
Joshua I. Brown, Rebecca Williams, Sarah E. Ogburn, Brittany D. Brand, Eric C.P. Breard, Sylvain Charbonnier, Natasha Dowey, Josef Dufek, Mark Jellinek, Ulrich Kueppers, Gert Lube, Pete Rowley
2026, Journal of Applied Volcanology (15)
Pyroclastic density currents represent one of the deadliest hazards posed by active volcanoes. Analysis of their deposits provides valuable insights into their internal dynamics and informs numerical simulations of pyroclastic density currents which underpin many volcanic hazard assessments. We present PDCD-DAT, a global database of pyroclastic density current deposit characteristics...
