Barometers behaving badly: Assessing the influence of analytical and experimental uncertainty on clinopyroxene thermobarometry calculations at crustal conditions
Penny E. Wieser, Adam J.R. Kent, Christy B. Till, J. Donovan, David A. Neave, Dawnika L. Blatter, Michael J. Krawczynski
2023, Journal of Petrology (64)
The composition of clinopyroxene and clinopyroxene-liquid (Cpx-Liq) pairs are frequently used to calculate crystallization/equilibration pressures in igneous systems. While canonical uncertainties are often assigned to calculated pressures based on fits to calibration or test datasets, the sources of these uncertainties (and thus ways to reduce them) have not been...
Wild bee exposure to pesticides in conservation grasslands increases along an agricultural gradient: A tale of two sample types
Michelle L. Hladik, Johanna M. Kraus, Cassandra Smith, Mark W. Vandever, Dana W. Kolpin, Carrie E. Givens, Kelly L. Smalling
2023, Environmental Science and Technology (57) 321-330
Conservation efforts have been implemented in agroecosystems to enhance pollinator diversity by creating grassland habitat, but little is known about the exposure of bees to pesticides while foraging in these grassland fields. Pesticide exposure was assessed in 24 conservation grassland fields along an agricultural gradient at two time points (July...
Mismatch between conservation status and climate change sensitivity leaves some anurans in the United States unprotected
Traci P. DuBose, Chloe E. Moore, Samuel Silknetter, Abigail Benson, Tess Alexander, Grace O’Malley, Meryl C. Mims
2023, Biological Conservation (277)
Species vulnerable to climate change face increased extinction risk, but many sensitive species may be overlooked due to limited data and exclusion from vulnerability assessments. Intrinsic sensitivity, or the inherent risk of species to environmental change due to biological factors, can be assessed with widely available data and may address...
Multiple dimensions of functional diversity affect stream fish β-diversity
Luke Max Bower, Lauren Stoczynski, Brandon K. Peoples, Christopher J. Patrick, Bryan L. Brown
2023, Freshwater Biology (68) 437-451
When investigating metacommunity dynamics, functional differences among species are often assumed to be as important as environmental differences between sites in determining β-diversity. However, few studies have examined the influence of functional diversity on β-diversity. We examine the relative importance of regional functional diversity partitioned by niche dimensions and...
Determining seasonal recharge, storage changes, and specific yield using repeat microgravity and water-level measurements in the Mesilla Basin alluvial aquifer, New Mexico, 2016–2018
Andrew J. Robertson, Jeffrey R. Kennedy, Libby M. Wildermuth, Meghan T. Bell, Erek H. Fuchs, Alex Rinehart, Irene Fernald
2023, Journal of Applied Geophysics (209)
Increasing water demand and multi-year drought conditions within the Mesilla/Conejos-Médanos Basin near the New Mexico-Texas- Chihuahua border have resulted in diminished surface-water supplies and increased groundwater withdrawals. To better understand recharge to the shallow aquifer, the spatial and temporal groundwater storage changes, and the variability of specific yield (Sy)...
Borealization of nearshore fishes on an interior Arctic shelf over multiple decades
Vanessa R. von Biela, Sarah M. Laske, Ashley E. Stanek, Randy J Brown, Kenneth H. Dunton
2023, Global Change Biology (29) 1822-1838
Borealization is a type of community reorganization where Arctic specialists are replaced by species with more boreal distributions in response to climatic warming. The process of borealization is often exemplified by the northward range expansions and subsequent proliferation of boreal species on the Pacific and Atlantic...
Pesticide prioritization by potential biological effects in tributaries of the Laurentian Great Lakes
Samantha K. Oliver, Steven R. Corsi, Austin K. Baldwin, Michelle A. Nott, Gerald T. Ankley, Brett R. Blackwell, Daniel L. Villeneuve, Michelle L. Hladik, Dana W. Kolpin, Luke C. Loken, Laura A. DeCicco, Michael T. Meyer, Keith A. Loftin
2023, Environmental Toxicology and Chemistry (42) 367-384
Watersheds of the Great Lakes Basin (USA/Canada) are highly modified and impacted by human activities including pesticide use. Despite labeling restrictions intended to minimize risks to nontarget organisms, concerns remain that environmental exposures to pesticides may be occurring at levels negatively impacting nontarget organisms. We used...
Near-term forecasts of stream temperature using deep learning and data assimilation in support of management decisions
Jacob Aaron Zwart, Samantha K. Oliver, William Watkins, Jeffrey Michael Sadler, Alison P. Appling, Hayley R. Corson-Dosch, Xiaowei Jia, Vipin Kumar, Jordan Read
2023, Journal of the American Water Resources Association (59) 317-337
Deep learning (DL) models are increasingly used to make accurate hindcasts of management-relevant variables, but they are less commonly used in forecasting applications. Data assimilation (DA) can be used for forecasts to leverage real-time observations, where the difference between model predictions and observations today is used to adjust the model...
Revised age and regional correlations of Cenozoic strata on Bat Mountain, Death Valley region, California, USA, from zircon U-Pb geochronology of sandstones and ash-fall tuffs
Theresa Maude Schwartz, Amanda Souders, Jens-Erik Lundstern, Amy K. Gilmer, Ren A. Thompson
2023, Geosphere (19) 235-257
Basin analysis and tectonic reconstructions of the Cenozoic history of the Death Valley region, California, USA, are hindered by a lack of volcanic (tuff) age control in many stratigraphic successions exposed in the Grapevine and Funeral Mountains of California, USA. Although maximum depositional ages (MDAs) interpreted from detrital zircon U-Pb...
Sharing land via keystone structure: Retaining naturally regenerated trees may efficiently benefit birds in plantations
Yuichi Yamaura, Akira Unno, J. Andrew Royle
2023, Ecological Applications (33)
Meeting food/wood demands with increasing human population and per-capita consumption is a pressing conservation issue, and is often framed as a choice between land sparing and land sharing. Although most empirical studies comparing the efficacy of land sparing and sharing supported land sparing, land sharing may be more efficient if...
A genetic warning system for a hierarchically structured wildlife monitoring framework
Shawna J Zimmerman, Cameron L. Aldridge, Michael S. O’Donnell, David R. Edmunds, Peter S. Coates, Brian G. Prochazka, Jennifer A. Fike, Todd B. Cross, Bradley C. Fedy, Sara J. Oyler-McCance
2023, Ecological Applications (33)
Genetic variation is a well-known indicator of population fitness yet is not typically included in monitoring programs for sensitive species. Additionally, most programs monitor populations at one scale, which can lead to potential mismatches with ecological processes critical to species' conservation. Recently developed methods...
Estimating phosphorus retention capacity of flow-through wetlands
Song S. Qian, Kristi K. Arend, Stephen J Jacquemin, S. Mazeika Patricio Sullivan, Kurt P. Kowalski
2023, Ecological Engineering (187)
A Bayesian hierarchical modeling approach is introduced to pool data properly from multiple flow-through wetlands to estimate wetland-specific long-term phosphorus retention capacity. By pooling data from multiple wetlands, we overcome the difficulties in estimating the effectiveness of using constructed and...
Validation of earthquake ground-motion models in southern California, USA, using precariously balanced rocks
Anna H. Rood, Dylan Rood, Greg Balco, Peter J. Stafford, Lisa Grant Ludwig, Katherine J. Kendrick, Klaus Wilcken
2023, GSA Bulletin (135) 2179-2199
Accurate estimates of earthquake ground shaking rely on uncertain ground-motion models derived from limited instrumental recordings of historical earthquakes. A critical issue is that there is currently no method to empirically validate the resultant ground-motion estimates of these models at the timescale of rare, large earthquakes; this lack of validation...
Cryptic declines of small, cold-water specialists highlight potential vulnerabilities of headwater streams as climate refugia
Blake R. Hossack, Michael LeMoine, Emily Oja, Lisa A Eby
2023, Biological Conservation (227)
Increasing temperatures and climate-driven disturbances like wildfire are a growing threat to many species, including cold-water specialists. Montane areas and cold streams are often considered climate refugia that buffer communities against change. However, climate refugia are often species-specific, and despite growing...
Bottled water contaminant exposures and potential human effects
Paul M. Bradley, Kristin M. Romanok, Kelly L. Smalling, Michael J. Focazio, Nicola Evans, Suzanne C. Fitzpatrick, Carrie E. Givens, Stephanie E. Gordon, James L. Gray, Emily M. Green, Dale W. Griffin, Michelle L. Hladik, Leslie K. Kanagy, John T. Lisle, Keith A. Loftin, R. Blaine McCleskey, Elizabeth Medlock-Kakaley, Ana Navas-Acien, David A. Roth, Paul F. South, Christopher P. Weis
2023, Environment International (171)
Bottled water (BW) consumption in the United States and globally has increased amidst heightened concern about environmental contaminant exposures and health risks in drinking water supplies, despite a paucity of directly comparable, environmentally-relevant contaminant exposure data for BW. This study provides insight into exposures and cumulative risks to...
Declines in reproductive condition of male largemouth bass (Micropterus salmoides) following seasonal exposure to estrogenic endocrine-disrupting compounds
Jessica Kristin Leet, Cathy A. Richter, Robert Gale, Donald E. Tillitt, Jill Jenkins
2023, International Journal of Molecular Sciences (23)
Reproductive abnormalities, that could lead to possible effects at the population level, have been observed in wild fish throughout the United States, with high prevalence in largemouth bass (LMB; Micropterus salmoides) and smallmouth bass (Micropterus dolomieu). Estrone (E1) and atrazine (ATR) are common environmental contaminants often associated with...
Spatial and temporal distribution of sinuous ridges in southeastern Terra Sabaea and the northern region of Hellas Planitia, Mars
Amber L. Gullikson, Ryan B. Anderson, Rebecca M.E. Williams
2023, Icarus (394)
Sinuous ridges are an important yet understudied component of Mars' hydrologic history. We have produced a map of sinuous ridges, valleys and channels, and tectonic ridges across southeastern Terra Sabaea and into northern Hellas Planitia (10°-45° S, 35°-80° E) using a CTX mosaic. Although we mapped different types of...
Effects of structure and volcanic stratigraphy on groundwater and surface water flow: Hat Creek basin, California, USA
Marina Francesca Marcelli, Erick R. Burns, L.J. Patrick Muffler, Andrew J Meigs, Jennifer A. Curtis, Christian E. Torgersen
2023, Hydrogeology Journal (31) 219-240
Hydrogeologic systems in the southern Cascade Range in California (USA) develop in volcanic rocks where morphology, stratigraphy, extensional structures, and attendant basin geometry play a central role in groundwater flow paths, groundwater/surface-water interactions, and spring discharge locations. High-volume springs (greater than 3 m3/s) flow from basin-filling...
Disentangling direct and indirect effects of extreme events on coastal wetland communities
Courtney L. Davis, Susan E. Walls, William J. Barichivich, Mary Brown, David A.W. Miller
2023, Journal of Animal Ecology (92)
One of the primary ways in which climate change will impact coastal freshwater wetlands is through changes in the frequency, intensity, timing and distribution of extreme weather events. Disentangling the direct and indirect mechanisms of population- and community-level responses to extreme events is vital to predicting how species composition...
Efficacy of bear spray as a deterrent against polar bears
James Wilder, Lindsey Mangipane, Todd C. Atwood, Anatoly A. Kochnev, Tom Smith, Dag Vongraven
2023, Wildlife Society Bulletin (47)
Although there have been few attempts to systematically analyze information on the use of deterrents on polar bears (Ursus maritimus), understanding their effectiveness in mitigating human-polar bear conflicts is critical to ensuring both human safety and polar bear conservation. To fill this knowledge gap, we analyzed...
SPCIS: Standardized Plant Community with Introduced Status database
Lais Petri, Evelyn M. Beaury, Jeff Corbin, Kristen Peach, Helen Sofaer, Ian S. Pearse, Reagan Early, Dave Barnett, Inés Ibáñez, Robert K. Peet, Michael Schafale, Thomas Wentworth, James Vanderhorst, David N. Zaya, Greg Spyreas, Bethany A. Bradley
2023, Ecology (104)
The movement of plant species across the globe exposes native communities to new species introductions. While introductions are pervasive, two aspects of variability underlie patterns and processes of biological invasions at macroecological scales. First, only a portion of introduced species become invaders capable of substantially impacting...
Modeling of historical and current distributions of lone star tick, Amblyomma americanum (Acari: Ixodidae), is consistent with ancestral range recovery
Ilia Rochlin, Andrea Egizi, Howard Ginsberg
2023, Experimental and Applied Acarology (89) 85-103
The lone star tick, Amblyomma americanum L., is a three-host hard tick notorious for aggressive feeding behavior. In the early to mid-20th century, this species’ range was mostly limited to the southern USA. Since the 1950s, A. americanum has been detected in many new localities in the western, northcentral, and northeastern regions of the...
Extent, patterns, and drivers of hypoxia in the world's streams and rivers
Joanna R Blaszczak, Lauren E Koenig, Francine H. Mejia, Alice M. Carter, Lluis Gomez-Gener, Christoper L Dutton, Nancy B. Grimm, Judson Harvey, Ashley M. Helton, Matthew J. Cohen
2023, Limnology and Oceanography - Letters (8) 453-463
Hypoxia in coastal waters and lakes is widely recognized as a detrimental environmental issue, yet we lack a comparable understanding of hypoxia in rivers. We investigated controls on hypoxia using 118 million paired observations of dissolved oxygen (DO) concentration and water temperature in over 125,000 locations...
Using landscape genomics to delineate future adaptive potential for climate change in the Yosemite toad (Anaxyrus canorus)
Paul A. Maier, Amy G. Vandergast, Andrew J. Bohonak
2023, Evolutionary Applications (16) 74-97
An essential goal in conservation biology is delineating population units that maximize the probability of species persisting into the future and adapting to future environmental change. However, future-facing conservation concerns are often addressed using retrospective patterns that could be irrelevant. We recommend a novel landscape genomics framework for delineating future...
Historical Structure from Motion (HSfM): Automated processing of historical aerial photographs for long-term topographic change analysis
Friedrich Knuth, David Shean, Shashank Bhushan, Eli Schwat, Oleg Alexandrov, Christopher J. McNeil, Amaury Dehecq, Caitlyn Florentine, Shad O'Neel
2023, Remote Sensing of Environment (285)
Precisely measuring the Earth’s changing surface on decadal to centennial time scales is critical for many science and engineering applications, yet long-term records of quantitative landscape change are often temporally and geographically sparse. Archives of scanned historical aerial photographs provide an opportunity to augment these records with accurate elevation measurements...
