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An enigmatic wild passerine mortality event in the eastern United States An enigmatic wild passerine mortality event in the eastern United States
The ability to rapidly respond to wildlife health events is essential. However, such events are often unpredictable, especially with anthropogenic disturbances and climate-related environmental changes driving unforeseen threats. Many events also are short-lived and go undocumented, making it difficult to draw on lessons learned from past investigations. We report on the response to a...
Authors
Sabrina S. Greening, Julie C. Ellis, Nicole L. Lewis, David B. Needle, Cristina M. Tato, Susan Knowles, Valerie I. Shearn-Bochsler, Jaimie L. Miller, Daniel A. Grear, Jeffrey M. Lorch, David S. Blehert, Caitlin Burrell, Lisa A. Murphy, Erica A. Miller, C. Brandon Ogbunugafor, Andrea J. Ayala, W. Kelley Thomas, Megan S. Kirchgessner, Christine Casey, Ethan P. Barton, Michael J. Yabsley, Eman Anis, Roderick B. Gagne, Patrice Klein, Cindy P. Driscoll, Chelsea Sykes, Robert H. Poppenga, Nicole M. Nemeth
Understanding and predicting infection dynamics for an endangered amphibian using long-term surveys of wild and translocated frogs Understanding and predicting infection dynamics for an endangered amphibian using long-term surveys of wild and translocated frogs
Amphibians are a prominent component of Earth's sixth mass extinction and the fungal pathogen Batrachochytrium dendrobatidis (Bd) is a primary driver of declines. Although Bd dynamics are well studied, the environmental drivers, exacerbating risk factors, and value of conservation interventions like translocations remain challenging to predict. Here, we present results from two decades...
Authors
Talisin T. Hammond, Adam R. Backlin, Elizabeth Gallegos, Debra M. Shier, Ronald R. Swaisgood, Robert N. Fisher
Integrated Hydro-terrestrial Modeling 2.0: Progress and path forward on building a national capability Integrated Hydro-terrestrial Modeling 2.0: Progress and path forward on building a national capability
Growing societal pressures on U.S. water resources and the challenges inherent in understanding how future water risks may evolve are driving major investments to improve our knowledge of the integrated water cycle. This improved understanding as captured in innovations in our data, knowledge, and modeling capabilities, needs to be accelerated through better integration and coordination...
Authors
Katherine Skalak, Nathalie Voisin, Patrick Read, Ying Fan Reinfelder
DNA metabarcoding of biocrust lichen-forming fungi detects responses to disturbance and invasion DNA metabarcoding of biocrust lichen-forming fungi detects responses to disturbance and invasion
Biocrusts dominated by bryophytes and lichens perform important functions in dryland ecosystems but monitoring these communities can be cost prohibitive over broad scales. We explored DNA metabarcoding as a potential tool for monitoring biocrust lichen communities at a site in Washington (U.S.A.) that had already been surveyed for lichen diversity and community composition. We developed...
Authors
Heather T Root, Bruce McCune, David A. Pyke, Steven D. Leavitt
Sampling mass mortality events to enable diagnoses: A protocol using freshwater mussels Sampling mass mortality events to enable diagnoses: A protocol using freshwater mussels
Many taxa around the globe are threatened by often unexplained mass mortality events (MMEs), which can decimate populations and compromise key ecosystem functions. One example of a highly threatened taxon facing frequent MMEs is freshwater mussels (Unionida).There has been a recent increase in interest in understanding the causes of freshwater mussel MMEs, but standardised methodologies...
Authors
Daniel A. Cossey, Michelle Dennis, Jordan C. Richard, Camilla D. Torre, Andrew McElwain, Diane L. Waller, Susan Knowles, Joshua I. Brian, Eric Leis, Ericka A. Burioli, David C. Aldridge
Reply to, “Comment on ‘The 1886 Charleston, South Carolina, earthquake: Relic railroad offset reveals rupture,’ by Roger Bilham and Susan E. Hough” Reply to, “Comment on ‘The 1886 Charleston, South Carolina, earthquake: Relic railroad offset reveals rupture,’ by Roger Bilham and Susan E. Hough”
We welcome this opportunity to respond to Pratt et al. (2024) (hereinafter P24). Bilham and Hough (2023) proposed a “first-cut” elastic deformation model for the 1886 earthquake, a quantitative source model constrained by identified coseismic constraints. A key observation was the measurement of a lateral offset of a railroad line south of Summerville, leading to a model with...
Authors
Roger Bilham, Susan E. Hough
Modelling and mapping burn severity of prescribed and wildfires across the southeastern United States (2000-2022) Modelling and mapping burn severity of prescribed and wildfires across the southeastern United States (2000-2022)
Background The southeastern United States (‘Southeast’) experiences high levels of fire activity, but the preponderance of small and prescribed fires means that existing burn severity products are incomplete across the region. Aims We developed and applied a burn severity model across the Southeast to enhance our understanding of regional burn severity patterns. Methods We used Composite...
Authors
Melanie K. Vanderhoof, Casey Elizabeth Menick, Joshua J. Picotte, Kevin Robertson, Holly Nowell, Chris Matechik, Todd Hawbaker
Geochemical processes related to mined, milled, or natural metal deposits in a rapidly changing global environment Geochemical processes related to mined, milled, or natural metal deposits in a rapidly changing global environment
The demand for metals and raw materials, such as nickel and copper, has been projected to expand in the coming decades, driven by the global energy transition, the need for green technologies, and expanding infrastructure. Consequently, the increasing extraction and production of mining waste can have adverse impacts on surrounding environments and human health. The aim of this thematic...
Authors
Annika Parviainen, Kimberly R. Beisner, Johanna Blake, Edel Mary O'Sullivan, Clare Miller, Carolina Rosca
Stream discharge determinations using slug additions and specific conductance Stream discharge determinations using slug additions and specific conductance
Stream discharge is often determined by wading the stream and measuring the velocity at fixed widths and depths. However, there are conditions when wading measurements are not safe or the measurements are poor because of high turbulence, rocky streambeds, shallow or sheet flow, aquatic plants, or inaccessibility due to ice. Under these conditions, it is often preferable to determine...
Authors
R. Blaine McCleskey, Robert L. Runkel, Sheila F. Murphy, David A. Roth
The ichnology of White Sands (New Mexico): Linear traces and human footprints, evidence of transport technology? The ichnology of White Sands (New Mexico): Linear traces and human footprints, evidence of transport technology?
A travois is crafted from one or more wooden poles and is one of the simplest pre-historic vehicles. Although these devices likely played vital roles in the lives of ancient peoples, they have low preservation potential in the archaeological record. Here we report linear features associated with human footprints, some of which are dated to ~22,000 years old, preserved in fine-grained...
Authors
Matthew R. Bennett, Thomas M. Urban, David Bustos, Sally C. Reynolds, Edward A. Jolie, Hannah C. Strehlau, Daniel Odess, Kathleen B. Springer, Jeffrey S. Pigati
Comment on “The 1886 Charleston, South Carolina, earthquake: Relic railroad offset reveals rupture” by Roger Bilham and Susan E Hough Comment on “The 1886 Charleston, South Carolina, earthquake: Relic railroad offset reveals rupture” by Roger Bilham and Susan E Hough
No abstract available.
Authors
Thomas Pratt, Martin C. Chapman, Qimin Wu
Parentage and sibship relationships among captive snakes at the Phoenix Zoo—2024 data summary Parentage and sibship relationships among captive snakes at the Phoenix Zoo—2024 data summary
Introduction The narrow-headed gartersnake (Thamnophis rufipunctatus) is listed as threatened under the Endangered Species Act (U.S. Fish and Wildlife Service, 2014). This species has a strong association with aquatic habitats, and these habitats have been highly altered by impoundments, land-use changes, and the introduction and spread of non-native aquatic species, which contributed to...
Authors
Dustin A. Wood, Anna Mitelberg, Amy G. Vandergast