Near-real-time geochemical monitoring of Hawaiian volcanoes using energy dispersive X-ray fluorescence (EDXRF)
Steven P. Lundblad, Peter R. Mills, Kendra J. Lynn, Elisabeth Gallant, Cheryl Gansecki, Meghann Decker, Drew T. Downs
2026, Bulletin of Volcanology (88)
Syn-eruption geochemical monitoring during volcanic activity is an important component of integrated volcanic monitoring. Volcanoes on the Island of Hawai‘i are primarily monitored by the U.S. Geological Survey’s Hawaiian Volcano Observatory using instrumental networks, field surveys, satellite observations, and petrologic monitoring. In collaboration with the University of Hawaiʻi at Hilo,...
Chronic, low concentration pesticide exposure alters reproduction and behavior in the intertidal sea anemone, Anthopleura elegantissima
Bria Bleil, Elise F. Granek, Nathan L. Kirk, Michelle L. Hladik
2026, Marine Pollution Bulletin
Widespread pesticide and herbicide use paired with frequent transport away from application sites has led to pesticide presence in nearly all terrestrial and aquatic environments globally. Pesticides have unintentional toxic effects on non-target organisms by interfering with cellular processes, behavior, feeding, reproduction, and disrupting endocrine processes. The aggregating anemone, Anthopleura elegantissima, is...
From sample to sonde to Sentinel-2: Insights from a multi-scale chlorophyll-a monitoring effort in the Hudson River, New York
Wilson Barg Salls, Robert J. Welk, Tyler V. King, Natasha Scavotto, Rebecca Michelle Gorney, Sabina R. Gifford, Michael D.W. Stouder, Elizabeth A. Nystrom, Jennifer L. Graham
2026, Environmental Monitoring and Assessment (198)
Monitoring cyanobacteria and other nuisance phytoplankton in the Hudson River is of great interest given its societal and ecological importance. Satellite remote sensing provides a cost-effective method to monitor chlorophyll-a (chl-a), a common proxy for algal biomass; however, the dynamic nature of rivers complicates approaches traditionally applied to lakes and oceans....
Downstream persistence of cyanobacteria in New Jersey's Raritan River basin
Kyle Clonan, Meiyin Wu, Heather A. Heckathorn, Heather Desko, Eric Ernst, Pamela A. Reilly, Robert L. Schuster, Robert Newby, Annie Hurley, Alessandra Rossi
2026, Heliyon (12)
Few studies have examined cyanobacteria persistence starting from lacustrine cyanobacteria harmful algal blooms (HABs) downstream. Multiple lakes and reservoirs within New Jersey's Raritan Basin Water Supply Complex (RBWSC) feature recurrent HABs and discharge water into the Raritan River. As the RBWSC provides drinking water to 1.5 million people, these HABs...
Growth of a passive lava lake during the 2020–2021 eruption of Kīlauea volcano, Hawaii
Brett B. Carr, Matthew R. Patrick, Hannah R. Dietterich, Michael H. Zoeller, Carolyn Parcheta, Drew T. Downs, Patricia A. Nadeau, Christoper Hamilton
2026, Bulletin of Volcanology (88)
We investigate the growth of a passive lava lake in Halemaʻumaʻu crater during the December 2020 to May 2021 eruption of Kīlauea volcano, Hawaii. Fed by vents above their surfaces, the formation of passive lava lakes in topographic lows is an important process in the growth of basaltic volcanoes. We...
Environmental tradeoffs of urban stream restoration in Fairfax County, Virginia
Aaron J. Porter, Christopher M. Ruck, Spencer John Tassone
2026, Ecological Engineering (224)
Regulatory mandates to improve water quality and stream health have driven substantial investment in stream restoration. Most projects aim to improve channel-floodplain connectivity, reduce sediment erosion, and enhance habitat for aquatic organisms, yet few include adequate pre- and post-restoration monitoring to assess outcomes. Since 2007, Fairfax County, Virginia, and the...
Seed coating treatments alter emergence windows of native Intermountain West U.S. grasses under different regimes of water availability
Laura Cecilia Shriver, Sarah A. Costanzo, Matthew D. Madsen, Seth M. Munson
2026, Restoration Ecology (34)
IntroductionSeed-based restoration is widely implemented to recover degraded lands but often fails. Seed enhancement technologies may improve outcomes by shifting emergence to target favorable climate windows and serving as a bet-hedging strategy against increasingly variable precipitation patterns.ObjectivesTo test the potential benefit of these technologies,...
Restoring the Florida Everglades: Insights on integrating sea level rise into decision-support tools
Stephanie Castellano, Mysha Clarke, Laura D’Acunto, Stephanie Romanach, Stephanie Cadaval
2026, Environmental Management (76)
Although coastal ecosystems are impacted by climate change and sea-level rise, many ecological and hydrological models do not yet incorporate sea-level rise projections in their modeling outputs. Therefore, this research examined the various challenges that may prevent sea-level rise from being effectively incorporated in modeling and decision-support tools. We conducted...
Trophic assessment of potential competition between invasive cichlids and sport fish in Puerto Rico reservoirs
J. Wesley Neal, Jacob A. Moreland, Corey Garland Dunn, Peter J. Allen
2026, North American Journal of Fisheries Management (46) 139-147
Objective Several species of New World cichlids have recently invaded reservoirs in Puerto Rico, potentially jeopardizing established recreationally important, albeit nonnative, sport fish populations. Interactions between invasive species and important sport fish must be understood so that they can be mitigated when feasible. This study compared monthly prey consumption between three...
Water residence time and water depth influence on nutrient conditions, eutrophication endpoints and habitat quality in backwater lakes of a large floodplain river
Shawn M. Giblin, James H. Larson, Jeremy D. King
2026, River Research and Applications
Many eutrophication studies focus on the external supply of critical nutrients like nitrogen and phosphorus, but hydrology and geomorphology can enhance or dampen the effects of excessive nutrient supply. We studied six backwater lakes in the Upper Mississippi River that varied in water residence time and water depth. Eutrophication in...
Development of high-throughput genomic resources to inform white-tailed deer population and disease management
David Navarro, Emily K. Latch, Anaïs K. Tallon, Caitlin N. Ott-Conn, Randy W. DeYoung, Daniel P. Walsh, Peter T. Euclide, R.G. Chandika, Wes A. Larson, Arun S. Seetharam, Andrew J. Severin, Andrew J. Severin, James M. Reecy, Zhi-Liang Hu, Jay R. Cantrell, Michelle Carstensen, Joe N. Caudell, Charlie H. Killmaster, Mitch L. Lockwood, William T. McKinley, Andrew S. Norton, Krysten L. Schuler, Daniel J. Storm, Jason A. Sumners, W. David Walter, Julie A. Blanchong
2026, Molecular Ecology Resources (26)
White-tailed deer (Odocoileus virginianus) are the most abundant and widespread cervid in North America. Genetic data are used as a tool to monitor populations and make management decisions for this game species. However, the development and use of genomic tools that can generate a set of markers suitable for longitudinal...
Assessing the topographic distribution of legacy soil phosphorus in agricultural fields of the Delmarva Peninsula, Mid-Atlantic Coastal Plain, USA
Maryam Foroughi, Ling Du, Isis P Scott, W. Dean Hively, Zachary P. Simpson, Zacharias J. Smith, Cathleen J. Hapeman, Martin C. Rabenhorst, Raymond R. Weil, Greg W. McCarty
2026, Journal of Environmental Quality (55)
Phosphorus (P) management remains a challenge in agricultural watersheds. The Choptank River Conservation Effects Assessment Project watershed, located in Maryland and Delaware and draining to the Chesapeake Bay, contains legacy soil P from historical dairy and poultry manure applications. These practices elevated soil P beyond crop needs, contributing to persistent...
Hosts, pathogens and hot ponds: Thermal mean and variability contribute to spatial patterns of chytrid infection
Brendan K Hobart, Daniel A. Grear, Megan Winzeler, Travis Mcdevitt-Galles, Timothy M Korpita, Erin L. Muths, Valerie J McKenzie
2026, Oikos (2026)
Temperature is a primary driver of heterogeneity in host–pathogen dynamics and understanding how patch-scale temperature affects landscape-scale patterns of pathogen infection is key to effective monitoring and management. In field studies, both temperature variability and mean temperature are often related to infection of ectothermic animals by fungal pathogens, and although...
How high? Identifying elevation thresholds to guide coastal marsh restoration
Emily N. Fromenthal, Camille L. Stagg, Jena A. Moon, Taylor Abshier, Omar Alawneh, Jack A. Cadigan, Daniel A. Gallegos, Brian D. Harris, Nia R. Hurst, Navid H. Jafari, Todd Merendino, Matthew R. Nelson, Michael J. Osland, Philip Pauling, Michael Rezsutek, Colt R. Sanspree, Rachel Katherine Villani
2026, Restoration Ecology (34)
IntroductionCoastal marshes are highly valuable ecosystems facing threats from rising sea levels and intensifying storm events. To elevate marsh surfaces and prevent loss of ecosystem services, the beneficial use of dredged material (BUDM) is increasingly being implemented across the United States.ObjectivesThe objective of this study was to aid decision-makers and...
The 1912 Ms 7.2 earthquake in the Denali region of central Alaska
Carl Tape, Marco Aquino-Lopez, Sean Bemis, Peter J. Haeussler, Jessalyn Ginnaty
2026, Bulletin of the Seismological Society of America (116) 322-354
The 2002 Mw 7.9 earthquake in central Alaska ruptured 340 km on three faults—Susitna Glacier thrust fault, Denali fault, Totschunda fault—crossing both the Richardson Highway and the Alaska Pipeline. Its occurrence prompted renewed interest in historical large earthquakes that possibly originated on the Denali fault. One of these earthquakes was a Ms 7.2...
Demographic mechanisms of snowshoe hare population cycles in Yukon, Canada
Madan K. Oli, Alice J Kenney, Rudy Boonstra, Stan Boutin, Dennis Murray, Thomas Jung, James E. Hines, Charles J Krebs
2026, Journal of Animal Ecology (95) 21-38
One hundred years have elapsed since Charles Elton (1924) described the periodic fluctuations in North American snowshoe hare abundance, yet mechanisms underlying 9–11-year population cycles in snowshoe hares continue to be debated.We applied multistate capture–mark–recapture models to long-term field data (1977–2020) based on >20,000 captures of >7000 unique snowshoe...
Revised length categories and standard weight equation for Northern Pikeminnow
Nicholas S. Voss, Michael C. Quist
2026, North American Journal of Fisheries Management (46) 259-268
ObjectiveLength and weight indices (e.g., proportional size distribution, relative weight) provide standardized benchmarks that are useful for comparing groups of fish, identifying ecological interactions, and evaluating the effect of management actions. However, the current length categories and standard weight (Ws) equation for Northern Pikeminnow Ptychocheilus oregonensis, a species of important management...
Phylogenomics of endangered troglobiotic rove beetles (Coleoptera: Staphylinidae: Pselaphinae) from central Texas karst regions
Perry L. Wood Jr., Donald S. Chandler, Nicholas S. Gladstone, Anna Mitelberg, Julia G. Smith, Kemble White, Jenny Wilson, Amy G. Vandergast
2026, Conservation Genetics (27)
The karst habitats of central Texas, USA, are home to an array of endemic subterranean-obligate (troglobiotic) invertebrates. This includes several species of rove beetles (Coleoptera: Staphylinidae: Pselaphinae). Here we developed a molecular dataset using sequence capture of Ultra-Conserved Elements (UCEs) from the Coleoptera-UCE-1.1 K v1 baits kit. These data were used...
Population demographics of invasive Silver Carp in a Great Plains river network
Blake Logan, Mark Pegg, Kirk D. Steffensen, Jonathan J. Spurgeon
2026, North American Journal of Fisheries Management (46) 70-83
ObjectiveKnowledge of invasive Silver Carp Hypophthalmichthys molitrix population demographics and distributions may inform estimates of efforts necessary to achieve reductions in abundance and identify locations to conduct removal. Although extensively studied in other parts of their invasive range (e.g., Mississippi and Illinois rivers), less is known regarding Silver Carp population demographics in...
Groundwater spatial variability within an atoll island: Assessing shallow aquifer heterogeneity with geophysical and physicochemical measurements
Nidia Tobon-Velazquez, Gerd Masselink, T.J. O’Hare, Robert Bates, Ferdinand Oberle, Curt D. Storlazzi, D. C. Conley
2026, Journal of Hydrology (664)
This study examines the spatial variability of shallow groundwater on Dhigelaabadhoo Island using electromagnetic induction surveys, groundwater monitoring, and sediment analyses. The research reveals how variations in island morphology—such as differences in elevation, reef flat width, and sediment composition—affect the spatial distribution of groundwater lenses and the overall aquifer dynamics....
Variation in soil organic carbon across a latitudinal chronosequence of mangrove poleward expansion
Yiyang Kang, Prakhin Assavapanuvat, Michael Osland, David A. Kaplan
2026, Ecosystems (29)
The critical carbon sink provided by coastal wetlands, known as blue carbon, can be affected by multiple aspects of climate change. One important example is warming-induced mangrove poleward expansion, which is shifting dominant plant cover across tropical–temperate transitional zones and altering ecosystem structure and function. We examined how mangrove expansion...
Reconciliation of geochronology and paleozoogeography for Quaternary marine terraces, San Luis Obispo Bay area, California, USA
Daniel R. Muhs, Lindsey T. Groves, R. Randall Schumann, Jordon Bright
2026, Palaeogeography, Palaeoclimatology, Palaeoecology (681)
In the San Luis Obispo Bay area of central California, interpretations of marine terrace ages have been hampered by inconsistent results from geochronological indicators (U-series ages of corals and correlations using amino acid racemization of mollusks) and seemingly contradictory...
High-precision earthquake catalog for Minto Flats fault zone, central Alaska, reveals complex and conjugate faulting
Nealey E. Sims, Carl Tape, Natalia A. Ruppert, Michael E. West
2026, Bulletin of Seismological Society of America (116) 375-396
The Minto Flats fault zone (MFFZ) in central Alaska is a left‐lateral strike‐slip fault system situated between the continental‐scale right‐lateral Denali and Kaltag‐Tintina faults. The MFFZ has the potential to generate magnitude 7 earthquakes, and it hosted a magnitude 6 earthquake in 1995. It has also produced exotic events, such...
Apparent annual survival of adult Golden-winged Warblers (Vermivora chrysoptera) may not differ by sex or region
Emily N. Filiberti, Amber M. Roth, Wayne E. Thogmartin, Ethan J. Royal, Kyle R. Aldinger, Ruth E. Bennett, David A. Buehler, Lesley P. Bulluck, Ronald A. Canterbury, Richard Chandler, Sarah J. Clements, Cameron J. Fiss, Keith A. Hobson, John Anthony Jones, David A. King, Gunnar R. Kramer, Jeffery L. Larkin, Darin J. McNeil, Jeffrey D. Ritterson, Anna Buckardt Thomas, Rachel Vallender, Steven L. Van Wilgenburg, Petra B. Wood
2026, Ornithology (143) 1-13
Understanding range-wide demographic, spatial, and temporal variation in annual survival is essential for managing species of conservation concern. Multi-population models are useful tools for integrating diverse datasets, reducing biases, and deriving survival estimates across differing spatial scales. We conducted a range-wide, multi-population apparent annual survival analysis for a declining songbird, Vermivora...
Year-round daytime pCO2 undersaturation in an instream series of urban reservoirs with a history of harmful algal blooms
Reynaldo Patino, Samantha Lehker
2026, Inland Waters (16)
Daytime water quality was determined monthly over two years in an instream series of four urban reservoirs with recurring blooms of Prymnesium parvum—a cool-season toxigenic species. Temperature, pH, and laboratory-measured total alkalinity were used to estimate pCO2. System-wide, pCO2 was negatively associated with dissolved oxygen. Chlorophyll-a, phycocyanin (cyanobacterial pigment), and P. parvum were negatively associated with pCO2 and...
