Estrogenic activity response to best management practice implementation in agricultural watersheds in the Chesapeake Bay watershed
Stephanie Gordon, Tyler Wagner, Kelly L. Smalling, Olivia H. Devereux
2023, Journal of Environmental Management (326)
Best management practices (BMPs) have been predominantly used throughout the Chesapeake Bay watershed (CBW) to reduce nutrients and sediments entering streams, rivers, and the bay. These practices have been successful in reducing loads entering the estuary and have shown the potential to reduce other...
Geochemistry of the Cretaceous Mowry Shale in the Wind River Basin, Wyoming
Katherine L. French, Justin E. Birdwell, Paul G. Lillis
2023, GSA Bulletin (135) 1899-1922
The siliceous nature of the Mowry Shale distinguishes it from many of the well-studied organic-rich mudstones of the Cretaceous Western Interior Seaway. Available models of organic enrichment in mudstones rarely incorporate detailed biomarker, bulk organic, inorganic, and mineralogy data. Here, we used these data to evaluate how variations in organic...
Ecologically relevant moisture and temperature metrics for assessing dryland ecosystem dynamics
D. A. Chenoweth, Daniel Rodolphe Schlaepfer, J. C. Chambers, J. L. Brown, A. K. Urza, Brice Hanberry, D. Board, M. Crist, John B. Bradford
2023, Ecohydrology (16)
In drylands, water-limited regions that cover ~40% of the global land surface, ecosystems are primarily controlled by access to soil moisture and exposure to simultaneously hot and dry conditions. Quantifying ecologically relevant environmental metrics is difficult in drylands because the response of vegetation to moisture and...
Deep learning for pockmark detection: Implications for quantitative seafloor characterization
Mark Lundine, Laura L. Brothers, Arthur Trembanis
2023, Geomorphology (421)
Occurring globally, pockmarks are seafloor depressions associated with seabed fluid escape. Pockmark ubiquity and morphologic heterogeneity result in an irregular seafloor that can be difficult to quantitatively describe. To address this challenge, we test the hypothesis that deep-learning based object detection and segmentation can...
Dispersal limitations increase vulnerability under climate change for reptiles and amphibians in the southwestern United States
Rich Inman, Todd C. Esque, Kenneth E. Nussear
2023, Journal of Wildlife Management (87)
Species conservation plans frequently rely on information that spans political and administrative boundaries, especially when predictions are needed of future habitat under climate change; however, most species conservation plans and their requisite predictions of future habitat are often limited in geographical scope. Moreover, dispersal constraints for...
Drought related changes in water quality surpass effects of experimental flows on trout growth downstream of Lake Powell reservoir
Josh Korman, Bridget Deemer, Charles Yackulic, Theodore Kennedy, Mariah Aurelia Giardina
2023, Canadian Journal of Fisheries and Aquatic Sciences (80) 424-438
Flows released from reservoirs are often modified to mitigate the negative ecosystem effects of dams. We estimated the effects of two experimental flows, fall-timed floods and elimination of sub-daily variation in flows on weekends, on growth rates of rainbow trout (Oncorhynchus mykiss) in the Colorado River downstream...
Integrated assessment of chemical and biological recovery after diversion and treatment of acid mine drainage in a Rocky Mountain stream
Christopher James Kotalik, Joseph S. Meyer, Pete Cadmus, James F. Ranville, William H. Clements
2023, Environmental Toxicology and Chemistry (42) 512-524
Responses of stream ecosystems to gradual reductions in metal loading following remediation or restoration activities have been well documented in the literature. However, much less is known about how these systems respond to the immediate or more rapid elimination of metal inputs. Construction of a water...
Spatial patterns and seasonal timing of increasing riverine specific conductance from 1998 to 2018 suggest legacy contamination in the Delaware River Basin
Christine Rumsey, John C. Hammond, Jennifer C. Murphy, Megan E. Shoda, Alex M. Soroka
2023, Science of the Total Environment (858)
Increasing salinization of freshwater threatens water supplies that support a range of human and ecological uses. The latest assessments of Delaware River Basin (DRB) surface-water-quality changes indicate widespread salinization has occurred in recent decades, which may lead to meaningful degradation in water quality. To better understand how and when salinity...
First principles calibration of 40Ar abundances in 40Ar/39Ar mineral neutron fluence monitors: Methodology and preliminary results
Leah E. Morgan, Brett Davidheiser-Kroll, Klaudia F. Kuiper, Darren F. Mark, Noah M. McLean, Jan Wijbrans
2023, Geostandards and Geoanalytical Research (47) 91-104
The accuracy and traceability of geochronometers are of vital importance to questions asked by many Earth scientists. The widely applied 40Ar/39Ar geochronometer relies on the co-irradiation of samples with neutron fluence monitors (reference materials) of known ages; the ages and uncertainties of these monitors are critical to our ability to apply...
Dynamic estimates of geologic CO2 storage resources in the Illinois Basin constrained by reinjectivity of brine extracted for pressure management
Michelle R. Plampin, Steven T. Anderson, Steven M. Cahan, Stefan Finsterle
2023, Greenhouse Gases: Science and Technology (13) 31-47
Geologic carbon storage (GCS) is likely to be an important part of global efforts to decarbonize the energy industry. Widespread deployment of GCS relies on strategies to maximize CO2 injection rates while minimizing reservoir pressurization that could induce seismicity and/or fluid leakage into groundwater resources. Brine extraction...
Growth portfolios buffer climate-linked environmental change in marine systems
Steven Campana, Szymon Smolinski, Bryan Black, John Morrongiello, Sella Alexandroff, Carin Andersson, Bjarte Bogstad, Paul Butler, Come Denechaud, David C Frank, Audrey Geffen, Jane Aanestad, Peter Gronkjaer, Einar Hjorleifsson, Ingibjorg G. Jonsdottir, Mark Meekan, Madelyn Jean Mette, Susanne E. Tanner, Peter van der Sleen, Gotje von Leesen
2023, Ecology (104)
Large-scale, climate-induced synchrony in the productivity of fish populations is becoming more pronounced in the world's oceans. As synchrony increases, a population's “portfolio” of responses can be diminished, in turn reducing its resilience to strong perturbation. Here we argue that the costs and benefits of trait...
A size-based stock assessment model for invasive blue catfish in a Chesapeake Bay sub-estuary during 2001–2016
Corbin David Hilling, Yan Jiao, Mary C. Fabrizio, Paul L. Angermeier, Aaron J. Bunch, Donald J. Orth
2023, Fisheries Management and Ecology (30) 70-88
Stock assessment modeling provides a means to estimate the population dynamics of invasive fishes and may do so despite data limitations. Blue catfish (Ictalurus furcatus) were introduced to the Chesapeake Bay watershed to support recreational fisheries but also consume species of conservation need and economic importance....
Effects of mass capture on survival of greater white-fronted geese in Alaska
Josh Dooley, Joel Schmutz, Julian B. Fischer, Dennis Marks
2023, Journal of Wildlife Management (87)
Mass capture of flightless geese during the summer is a common trapping technique to obtain large numbers of individuals for research and marking, but few studies have assessed the impacts of this method on the survival of after-hatch-year geese. We evaluated the effects of holding time...
Nitrogen isotopes indicate vehicle emissions and biomass burning dominate ambient ammonia across Colorado's Front Range urban corridor
J. David Felix, Alexander Berner, Gregory A. Wetherbee, Sheila F. Murphy, Ruth C. Heindel
2023, Environmental Pollution (316)
Urban ammonia (NH3) emissions contribute to poor local air quality and can be transported to rural landscapes, impacting sensitive ecosystems. The Colorado Front Range urban corridor encompasses the Denver Metropolitan Area, rural farmland/rangeland and montane forest between the city and the Rocky Mountains. Reactive...
Climatic influence on the expression of strike-slip faulting
Nadine G. Reitman, Yann Klinger, Richard W. Briggs, Ryan D. Gold
2023, Geology (51) 18-22
Earthquakes on strike-slip faults are preserved in the geomorphic record by offset landforms that span a range of displacements, from small offsets created in the most recent earthquake (MRE) to large offsets that record cumulative slip from multiple prior events. An exponential decay in...
Sentinel responses of Arctic freshwater systems to climate: linkages, evidence, and a roadmap for future research
Jasmine E. Saros, Christoper D. Arp, Frederic Bouchard, Jerome Comte, Raoul-Marie Couture, Joshua F. Dean, Melissa Lafreniere, Sally MacIntyre, Suzanne McGowan, Milla Rautio, Clay Prater, Suzanne E. Tank, Michelle A. Walvoord, Kimberly Wickland, Dermot Antoniades, Paola Ayala-Borda, Joao Canario, Travis W. Drake, Diogo Folhas, Vaclava Hazukova, Henriikka Kivila, Yohanna Klanten, Scott Lamoreux, Isabelle Laurion, Rachel M. Pilla, Jorien E. Vonk, Scott Zolkos, Warwick Vincent
2023, Arctic Science (9) 356-392
While the sentinel nature of freshwater systems is now well recognized, widespread integration of freshwater processes and patterns into our understanding of broader climate-driven Arctic terrestrial ecosystem change has been slow. We review the current understanding across Arctic freshwater systems of key sentinel responses to climate, which...
Genetic analysis of North American Phragmites australis guides management approaches
Denise L. Lindsay, Joanna Freeland, Ping Gong, Xin Guan, Nathan E Harms, Kurt P. Kowalski, Richard F. Lance, Dong-Ha Oh, Bradley T Sartain, Douglas L Wendell
2023, Aquatic Botany (184)
Phragmites australis subsp. australis is an invasive and ecologically detrimental plant in multiple regions of North America. Its co-occurrence with the native subspecies, and multiple instances of hybridization, has created the need to differentiate Phragmites subspecies or haplotypes so that management can be appropriately targeted to the...
The hydroclimate niche: A tool for predicting and managing riparian plant community responses to streamflow seasonality
Bradley J. Butterfield, Emily C. Palmquist, Charles Yackulic
2023, River Research and Applications (39) 84-94
Habitat suitability is a consequence of interacting environmental factors. In riparian ecosystems, suitable plant habitat is influenced by interactions between stream hydrology and climate, hereafter referred to as “hydroclimate”. We tested the hypothesis that hydroclimate variables would improve the fit of ecological niche models for a...
Predicted uranium and radon concentrations in New Hampshire (USA) groundwater—Using Multi Order Hydrologic Position as predictors
Richard B. Moore, Kenneth Belitz, Joseph D. Ayotte, Terri L. Arnold, Laura Hayes, Jennifer B. Sharpe, J. Jeffrey Starn
2023, Journal of the American Water Resources Association (59) 127-145
Two radioactive elements, uranium (U) and radon (Rn), which are of potential concern in New Hampshire (NH) groundwater, are investigated. Exceedance probability maps are tools to highlight locations where the concentrations of undesirable substances in the groundwater may be elevated. Two forms of statistical analysis are...
Patterns and controls of foliar nutrient stoichiometry and flexibility across United States forests
Katherine A Kynarski, Fiona M. Soper, Sasha C. Reed, William R Wieder, Cory C Cleveland
2023, Ecology (104)
Plant element stoichiometry and stoichiometric flexibility strongly regulate ecosystem responses to global change. Here, we tested three potential mechanistic drivers (climate, soil nutrients, and plant taxonomy) of both using paired foliar and soil nutrient data from terrestrial forested National Ecological Observatory Network sites across the USA....
Adapting to climate change on desert rangelands: A multi-site comparison of grazing behavior plasticity of heritage and improved beef cattle
Andres F. Cibils, Rick E. Estell, Sheri Spiegal, Shelemia Nyamuryekung’e, Matthew M. McIntosh, Danielle M. Duni, Herrera Conegliano, Felipe A. Rodriguez Almeida, Octavio Roacho Estrada, Lisandro J. Blanco, Michael C. Duniway, Santiago A. Utsumi, Alfredo L. Gonzalez
2023, Journal of Arid Environments (209)
Climate change is amplifying the spatiotemporal heterogeneity of desert rangeland forages through its impact on precipitation variability. Foraging behavior plasticity (an animal's ability to alter its behavior to cope with environmental variation) could be a key trait for climate adaptation of...
Perspectives on challenges and opportunities at the restoration-policy interface in the U.S.A.
Ella M. Samuel, Rachel M. Mitchell, Daniel E. Winkler
2023, Restoration Ecology (31)
As we advance into the United Nations Decade on Ecosystem Restoration, understanding the relationship between science, management, and policy is increasingly important given the paucity of research evaluating the ability of existing policy to address contemporary environmental challenges. Despite their inherent interdependence, restoration ecology as a...
Identifying mechanisms underlying individual body size increases in a changing, highly seasonal environment: The growing trout of West Brook
Benjamin Letcher, Keith Nislow, Matthew J. O'Donnell, Andrew R. Whiteley, Jason Coombs, Todd L. Dubreuil, Daniel Turek
2023, Journal of Animal Ecology (92) 78-96
As air temperature increases, it has been suggested that smaller individual body size may be a general response to climate warming. However, for ectotherms inhabiting cold, highly seasonal environments, warming temperatures may increase the scope for growth and result in larger body size.In a long-term study of individual brook...
Mismatch between temperature and discharge disrupts spawning cues in a fluvial specialist, blue sucker Cycleptus elongatus
Matthew Ross Acre, Timothy B. Grabowski, Daniel J. Leavitt, Nathan G. Smith, Allison A. Pease, Preston T. Bean, Dakus Geeslin
2023, Ecology of Freshwater Fish (32) 305-321
Seasonal movements cued by environmental variables are a critical component of riverine fish life history. Life-history events for species such as blue sucker Cycleptus elongatus are likely cued by discharge and temperature and may be disrupted if those life-history events and environmental regimes are mismatched. However, this effect may be dependent upon...
The development of genetic sex identification markers and evidence of a male heterogametic sex determination system in Red Shiner
Chad N. Teal, D. Katharine Coykendall, Matthew R. Campbell, Thomas A. Delomas, Daniel L. Eardley, John A. Erwin, Daniel J. Schill, Javan Mathias Bauder, Scott A. Bonar, Melanie Culver
2023, North American Journal of Aquaculture (85) 74-86
The Red Shiner Cyprinella lutrensis is of increasing management interest as an invasive species that negatively impacts many native fishes throughout North America. Trojan sex chromosome (TSC)-carrying individuals could theoretically control invasive fish populations by skewing the sex ratio to 100% male. The efficacy of TSC-based control programs requires an understanding of...
