Climate extremes as drivers of surface-water-quality trends in the United States
Karen R. Ryberg, Jeffrey G. Chanat
2022, Science of the Total Environment (809)
Surface-water quality can change in response to climate perturbations, such as changes in the frequency of heavy precipitation or droughts, through direct effects, such as dilution and concentration, and through physical processes, such as bank scour. Water quality might also change through indirect mechanisms,...
Beyond bulk: Density fractions explain heterogeneity in global soil carbon abundance and persistence
Katherine Heckman, Caitlin E. Hicks Pries, Corey Lawrence, Craig Rasmussen, Susan E. Crow, Alison M. Hoyt, Sophie F. von Fromm, Zheng Shi, Shane Stoner, Casey McGrath, Jeffery Beem-Miller, Asmeret Asefaw Berhe, Joseph C. Blankinship, Marco Keiluweit, Erika Marín-Spiotta, J. Grey Monroe, Alain F. Plante, Joshua Schimel, Carlos A. Sierra, Aaron Thompson, Rota Wagai
2022, Global Change Biology (28) 1178-1196
Understanding the controls on the amount and persistence of soil organic carbon (C) is essential for predicting its sensitivity to global change. The response may depend on whether C is unprotected, isolated within aggregates, or protected from decomposition by mineral associations. Here, we present a global...
Mismatch-induced growth reductions in a clade of Arctic-breeding shorebirds are rarely mitigated by increasing temperatures
Thomas Lameris, Pavel S. Tomkovich, James A. Johnson, R.I. Guy Morrison, Lucas Decicco, Maksim N. Dementyev, Ingrid Tulp, Robert E. Gill Jr., Simeon Lisovski, Job ten Horn, Theunis Piersma, Z. Pohlen, Hans Schekkerman, Mikhail Soloviev, E. Syroechkovsky, Jan A. van Gils, Mikhail Zhemchuzhnikov
2022, Global Change Biology (28) 829-847
In seasonal environments subject to climate change, organisms typically show phenological changes. As these changes are usually stronger in organisms at lower trophic levels than those at higher trophic levels, mismatches between consumers and their prey may occur during the consumers’ reproduction period. While in some species a trophic mismatch...
Seasonal impoundment management reduces nitrogen cycling but not resilience to surface fire in a tidal wetland
Scott Jones, Charles A Schutte, Brian J Roberts, Karen M. Thorne
2022, Journal of Environmental Management (303)
Hydrology and salinity regimes of many impounded wetlands are manipulated to provide seasonal habitats for migratory waterfowl, with little-known consequences for ecosystem structure and function. Managed hydrology can alter ecosystems by directly changing soil properties and processes and by...
Estimating pelagic primary production in lakes: Comparison of 14C incubation and free-water O2 approaches
Noah R. Lottig, Joseph Phillips, Ryan D. Batt, Facundo Scordo, Tanner J. Williamson, Stephen R. Carpenter, Sudeep Chandra, Paul C. Hanson, Christopher T. Solomon, Michael J. Vanni, Jacob Aaron Zwart
2022, Limnology and Oceanography: Methods (20) 34-45
Historically, estimates of pelagic primary production in lake ecosystems were made by measuring the uptake of carbon-14 (14C)-labeled inorganic carbon in samples incubated under laboratory or in situ conditions. However, incubation approaches are increasingly being replaced by methods that analyze diel changes in high-frequency...
Geostatistical mapping of salinity conditioned on borehole logs, Montebello Oil Field, California
Neil Terry, Frederick Day-Lewis, Matthew K. Landon, Michael Land, Jennifer S. Stanton, John W. Lane
2022, Groundwater (60) 242-261
We present a geostatistics-based stochastic salinity estimation framework for the Montebello Oil Field that capitalizes on available total dissolved solids (TDS) data from groundwater samples as well as electrical resistivity (ER) data from borehole logging. Data from TDS samples (n = 4924) was coded into an indicator framework...
The presence of denitrifiers in bacterial communities of urban stormwater best management practices (BMPs)
Natalie Hall, Masoumeh Sikaroodi, Dianna M. Hogan, R. Christian Jones, Patrick Gillevet
2022, Environmental Management (69) 89-110
Stormwater best management practices (BMPs) are engineered structures that attempt to mitigate the impacts of stormwater, which can include nitrogen inputs from the surrounding drainage area. The goal of this study was to assess bacterial community composition in different types of stormwater BMP soils to establish...
Population genomics of free-ranging Great Plains white-tailed and mule deer reflects a long history of interspecific hybridization
Fraser J. Combe, Levi Jaster, Andrew Ricketts, David A. Haukos, Andrew G. Hope
2022, Evolutionary Applications (15) 111-131
Hybridization is a natural process at species-range boundaries that may variably promote the speciation process or break down species barriers but minimally will influence management outcomes of distinct populations. White-tailed deer (Odocoileus virginianus) and mule deer (Odocoileus hemionus) have broad and overlapping distributions in North America and a recognized capacity...
Warming conditions boost reproductive output for a northern gopher tortoise population
Elizabeth Ann Hunter, Kevin J. Loope, K. Kristina Drake, Kaitlyn Hanley, Douglas N. Jones Jr., Kevin T. Shoemaker, David C. Rostal
2022, Endangered Species Research (46) 215-226
The effects of climate change on at-risk species will depend on how life history processes respond to climate and whether the seasonal timing of local climate changes overlaps with species-specific windows of climate sensitivity. For long-lived, iteroparous species like gopher tortoises Gopherus polyphemus, climate likely has a greater influence on...
An introduction to decision science for conservation
Victoria Hemming, Abbey E. Camaclang, Megan Adams, Mark Burgman, Katherine Carbeck, Josie Carwardine, Iadine Chades, Lia Chalifour, Sarah J. Converse, Lindsay Davidson, Georgia E. Garrard, Riley Finn, Jesse R. Fleri, Jacqueline Huard, Helen Mayfield, Eve McDonald Madden, Ilona Naujokaitis-Lewis, Hugh P. Possingham, Libby Rumpff, Michael C. Runge, Daniel Stewart, Vivitskaia J. D. Tulloch, Terry Walshe, Tara G. Martin
2022, Conservation Biology (36)
Biodiversity conservation decisions are difficult, especially when they involve differing values, complex multidimensional objectives, scarce resources, urgency, and considerable uncertainty. Decision science embodies a theory about how to make difficult decisions and an extensive array of frameworks and tools that make that theory practical. We sought to improve conceptual clarity...
Spatial and temporal controls on proglacial erosion rates: A comparison of four basins on Mount Rainier, 1960 to 2017
Scott W. Anderson, David Shean
2022, Earth Surface Processes and Landforms (47) 596-617
The retreat of alpine glaciers since the mid-19th century has triggered rapid landscape adjustments in many headwater basins. However, the degree to which decadal-scale glacier retreat is associated with systematic or substantial changes in overall coarse sediment export, with the potential to impact downstream river dynamics, remains poorly understood. Here,...
Social Values for Ecosystem Services (SolVES): Open-source spatial modeling of cultural services
Benson C. Sherrouse, Darius J. Semmens, Zachary H. Ancona
2022, Environmental Modelling & Software (148) 1-16
Social Values for Ecosystem Services (SolVES) version 4.0 is a fully open-source, GIS-based tool designed to aid in the creation of quantitative, spatially explicit models of the nonmonetary values attributed to cultural ecosystem services, such as aesthetics and recreation, specifically to facilitate their incorporation into larger ecosystem service assessments. Newly...
Integrated tools for identifying optimal flow regimes and evaluating alternative minimum flows for recovering at-risk salmonids in a highly managed system
James Peterson, Jessica E. Pease, Luke Whitman, James White, Laurel E. Stratton Garvin, Stewart A. Rounds, J. Rose Wallick
2022, River Research and Applications (38) 293-308
Water resource managers are faced with difficult decisions on how to satisfy human water needs while maintaining or restoring riverine ecosystems. Decision sciences have developed approaches and tools that can be used to break down difficult water management decisions into their component parts. An essential aspect of these approaches is...
Assessment and significance of the frequency domain for trends in annual peak streamflow
Christopher P. Konrad, Daniel E. Restivo
2022, Journal of Flood Risk Management (14)
Risk management of nonstationary floods depends on an understanding of trends over a range of flood frequencies representing small (frequent) to large (infrequent) floods. Quantile regression is applied to the annual peak streamflow distributions at 2683 sites in the contiguous United States to test for trends in the 10th quantile...
Final report: Understanding historical and predicting future lake temperatures in North and South Dakota
Jordan Read
2022, Report
Lakes, reservoirs, and ponds are central and integral features of the landscape of the North Central US. These water bodies provide aesthetic, cultural, and ecosystem services to surrounding wildlife and human communities. Lakes are warming, resulting in the loss of many native fish. In order to manage economically valuable fisheries...
Physics-guided machine learning from simulation data: An application in modeling lake and river systems
Xiaowei Jia, Yiqun Xie, Sheng Li, Shengyu Chen, Jacob Aaron Zwart, Jeffrey Michael Sadler, Alison P. Appling, Samantha K. Oliver, Jordan Read
2022, Conference Paper, IEEE International Conference on Data Mining
This paper proposes a new physics-guided machine learning approach that incorporates the scientific knowledge in physics-based models into machine learning models. Physics-based models are widely used to study dynamical systems in a variety of scientific and engineering problems. Although they are built based on general physical laws that govern the...
Diadophis punctatus (Ring-necked snake)
Raymond P Kidder, Brad Glorioso, Katie D Gray
2022, Herpetological Review (52) 798
No abstract available....
Data resources for NGA-subduction project
V. Contreras, S. Mazzoni, T. Kishida, S.K. Ahdi, Robert B. Darragh, R.R. Youngs, B.S.J. Chiou, N. Kuehn, Kathryn Wooddell, Y. Bozorgnia, Jonathan P. Stewart
2022, Extramural-Authored Publication Paper
A relational database was developed over a five-year period to support ground motion model (GMM) development for the Next Generation Attenuation-Subduction (NGA-Sub) project. The relational database has components that interact according to a database schema, including a source and path component used to describe attributes of seismic sources in global...
Supplemental habitat is reservoir dependent: Identifying optimal planting decision using Bayesian Decision Networks
D. M. Norris, M. E. Colvin, Leandro E. Miranda, M. A. Lashley
2022, Journal of Environmental Management (304)
Environmental management often requires making decisions despite system uncertainty. One such example is mudflat mediation in flood control reservoirs. Reservoir mudflats limit development of diverse fish assemblages due to the lack of structural habitat provided by plants. Seeding mudflats with agricultural plants may mimic floodplain wetlands once inundated and provide fish habitat and achieve...
Multiple lines of evidence for identifying potential hazards to fish from contaminants of emerging concern in Great Lakes tributaries
Sarah M. Elliott, Daniel J. Gefell, Richard L. Kiesling, Stephanie L. Hummel, Chryssa K. King, Charles H. Christen, Satomi Kohno, Heiko L. Schoenfuss
2022, Integrated Environmental Assessment and Management (18) 1246-1259
Contaminants of emerging concern (CECs; e.g., pharmaceuticals, flame retardants, pesticides, and industrial chemicals) are omnipresent throughout tributaries to the Great Lakes. Furthermore, CECs are often present at concentrations that are potentially hazardous to aquatic species. Since 2010, we characterized the presence of CECs at 309 sites...
The impact of 3D finite‐fault information on ground‐motion forecasting for earthquake early warning
Jessica R. Murray, Eric M. Thompson, Annemarie S. Baltay Sundstrom, Sarah E. Minson
2022, Bulletin of the Seismological Society of America (112) 779-802
We identify aspects of finite‐source parameterization that strongly affect the accuracy of estimated ground motion for earthquake early warning (EEW). EEW systems aim to alert users to impending shaking before it reaches them. The U.S. West Coast EEW system, ShakeAlert, currently uses two algorithms based...
Projecting the remaining habitat for the western spadefoot (Spea hammondii) in heavily urbanized southern California
Jonathan P. Rose, Brian J. Halstead, Robert H. Packard, Robert N. Fisher
2022, Global Ecology and Conservation (33)
Extensive urbanization in coastal southern California has reduced natural habitat in this biodiversity hotspot. To better conserve ecological communities, state and federal agencies, along with local jurisdictions and private stakeholders, developed regional conservation plans for southern California. Although many protected areas exist within this region, the patchwork nature of these...
The silence of the clams: Forestry registered pesticides as multiple stressors on soft-shell clams
Alexandra G. Tissot, Elise F. Granek, Anne W Thompson, Michelle L. Hladik, Patrick W. Moran, Kaegen Scully-Engelmeyer
2022, Science of the Total Environment (819)
Contaminants are ubiquitous in the environment, often reaching aquatic systems. Combinations of forestry use pesticides have been detected in both water and aquatic organism tissue samples in coastal systems. Yet, most toxicological studies focus on the effects of these pesticides individually, at high doses,...
Influence of seasonal extreme flows on Brook Trout recruitment
John A. Sweka, Tyler Wagner
2022, North American Journal of Fisheries Management (151) 231-244
Populations of Brook Trout Salvelinus fontinalis exhibit large variation in annual recruitment (abundance of young of the year [age 0]), which is likely a product of density-dependent and density-independent factors. Quantifying the importance of each of these mechanisms in regulating Brook Trout recruitment would be valuable to managers that are responsible for...
Accuracy and precision of otolith-derived age Interpretations for known-age lake trout
Christopher Osborne, Jason Robinson, Brian F. Lantry, Brian Weidel, Ian R. Hardin, Michael J. Connerton
2022, North American Journal of Fisheries Management (42) 207-216
Catch-at-age data are used to inform important management decisions for recovering populations of Lake Trout Salvelinus namaycush. Age data for Lake Trout are commonly derived from interpretation of annual growth marks (annuli) on the fish’s otoliths. Due to the tendency for annuli to vary in appearance and...
