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Krumholzibacteriota and Deltaproteobacteria contain rare genetic potential to liberate carbon from monoaromatic compounds in subsurface coal seams
Biogenic methane in subsurface coal seam environments is produced by diverse consortia of microbes. Although this methane is useful for global energy security, it remains unclear which microbes can liberate carbon from the coal. Most of this carbon is relatively resistant to biodegradation, as it is contained within aromatic rings. Thus, to explore for coal-degrading taxa in the subsurface, this s
Authors
Bronwyn C. Campbell, Paul Greenfield, Elliott Barnhart, Se Gong, David J. Midgley, Ian T. Paulsen, Simon C. George
Toward a US framework for continuity of satellite observations of Earth's climate and for supporting societal resilience
There is growing urgency for improved public and commercial services to support a resilient, secure, and thriving United States (US) in the face of mounting decision-support needs for environmental stewardship and hazard response, as well as for climate change adaptation and mitigation. Sustained space-based Earth observations are critical infrastructure to support the delivery of science and deci
Authors
Duane E. Waliser, Waleed Abdalati, Nancy Baker, Stacey Boland, Michael Bonadonna, Carol Anne Clayson, Belay Demoz, Kelsey Foster, Christian Frankenburg, Maria Hakuba, Therese Jorgensen, Ryan J. Kramer, Daniel Limonadi, Anna M. Michalak, Asal Naseri, Pat Patterson, Peter Pilewskie, Steven Platnick, Charlie Powell, Jeff Privette, Chris Ruf, Tapio Schneider, Jorg Schulz, Paul Selmants, Rashmi Shah, Qianqian Song, Graeme Stephens, Timothy S. Stryker
A conserved interdomain microbial network underpins cadaver decomposition despite environmental variables
Microbial breakdown of organic matter is one of the most important processes on Earth, yet the controls of decomposition are poorly understood. Here we track 36 terrestrial human cadavers in three locations and show that a phylogenetically distinct, interdomain microbial network assembles during decomposition despite selection effects of location, climate and season. We generated a metagenome-asse
Authors
Zachary M. Burcham, Aeriel D. Belk, Bridget B. McGivern, Amina Bouslimani, Parsa Ghadermazi, Cameron Martino, Liat Shenhav, Anru R. Zhang, Pixu Shi, Alexandra Emmons, Heather Deel, Zhenjiang Zech Xu, Victoria Nieciecki, Qiyun Zhu, Michael Shaffer, Morgan Panitchpakdi, Kelly Weldon, Kalen Cantrell, Asa Ben-Hur, Sasha C. Reed, Greg C. Humphry, Gail Ackermann, Daniel McDonald, Siu Hung Joshua Chan, Melissa Connor, Derek Boyd, Jake Smith, Jenna M.S. Watson, Giovanna Vidoli, Dawnie Steadman, Aaron M. Lynne, Sibyl R Bucheli, Pieter C. Dorrestein, Kelly C. Wrighton, David O. Carter, Rob Knight, Jessica L. Metcalf
Lake water temperature modeling in an era of climate change: Data sources, models, and future prospects
Lake thermal dynamics have been considerably impacted by climate change, with potential adverse effects on aquatic ecosystems. To better understand the potential impacts of future climate change on lake thermal dynamics and related processes, the use of mathematical models is essential. In this study, we provide a comprehensive review of lake water temperature modeling. We begin by discussing the
Authors
Sebastiano Piccolroaz, Senlin Zhu, Robert Ladwig, Laura Carrea, Samantha K. Oliver, Adam Piotrowski, Mariusz Ptak, Ryuichiro Shinohara, Mariusz Sojka, Richard Woolway, David Z. Zhu
Climate change will impact surface water extents and dynamics across the central United States
Climate change is projected to impact river, lake, and wetland hydrology, with global implications for the condition and productivity of aquatic ecosystems. We integrated Sentinel-1 and Sentinel-2 based algorithms to track monthly surface water extent (2017–2021) for 32 sites across the central United States (U.S.). Median surface water extent was highly variable across sites, ranging from 3.9% to
Authors
Melanie K. Vanderhoof, Jay Christensen, Laurie C. Alexander, Charles R. Lane, Heather E. Golden
Trajectories and tipping points of piñon–juniper woodlands after fire and thinning
Piñon–juniper (PJ) woodlands are a dominant community type across the Intermountain West, comprising over a million acres and experiencing critical effects from increasing wildfire. Large PJ mortality and regeneration failure after catastrophic wildfire have elevated concerns about the long-term viability of PJ woodlands. Thinning is increasingly used to safeguard forests from fire and in an attem
Authors
Michala Lee Phillips, Cara Marie Lauria, Tova Spector, John B. Bradford, Catherine A. Gehring, Brooke B. Osborne, Armin J. Howell, Edmund E. Grote, Renee Rondeau, Gillian Trimber, Benjamin Robinson, Sasha C. Reed
Uranium redox and deposition transitions embedded in deep-time geochemical models and mineral chemistry networks
Uranium (U) is an important global energy resource and a redox sensitive trace element that reflects changing environmental conditions and geochemical cycling. The redox evolution of U mineral chemistry can be interrogated to understand the formation and distribution of U deposits and the redox processes involved in U geochemistry throughout Earth history. In this study, geochemical modeling using
Authors
Elisha Kelly Moore, J. Li, Ao Zhang, Jihua Hao, Shaunna M. Morrison, Daniel Hummer, Nathan Yee
Quantitative microbial risk assessment for ingestion of antibiotic resistance genes from private wells contaminated by human and livestock fecal sources
We used quantitative microbial risk assessment to estimate ingestion risk for intI1, erm(B), sul1, tet(A), tet(W), and tet(X) in private wells contaminated by human and/or livestock feces. Genes were quantified with five human-specific and six bovine-specific microbial source-tracking (MST) markers in 138 well-water samples from a rural Wisconsin county. Daily ingestion risk (probability of swallo
Authors
Tucker R. Burch, Joel P. Stokdyk, Lisa Durso, Mark A. Borchardt
Geoelectric evidence for a wide spatial footprint of active extension in central Colorado
Three-dimensional magnetotelluric (MT) imaging in central Colorado reveals a set of north-striking high-conductivity tracks at lower-crustal (50–20 km) depths, with conductive finger-like structures rising off these tracks into the middle crust (20–5 km depth). We interpret these features to represent saline aqueous fluids and partial melt that are products of active extensional tectonomagmatism.
Authors
Benjamin S. Murphy, Jonathan Caine, Paul A. Bedrosian, Kayla (Jade) J Crosbie
The noise is the signal: Spatio-temporal variability of production and productivity in high elevation meadows in the Sierra Nevada mountain range of North America
There are expectations that increasing temperatures will lead to significant changes in structure and function of montane meadows, including greater water stress on vegetation and lowered vegetation production and productivity. We evaluated spatio-temporal dynamics in production and productivity in meadows within the Sierra Nevada mountain range of North America by: (1) compiling Landsat satellite
Authors
Robert C. Klinger, Tom Stephenson, James Letchinger, Logan Stephenson, Sarah Jacobs
The evolution of glandularity as a defense against herbivores in the tarweed clade
PremiseGlandular trichomes are implicated in direct and indirect defense of plants. However, the degree to which glandular and non-glandular trichomes have evolved as a consequence of herbivory remains unclear, because their heritability, their association with herbivore resistance, their trade-offs with one another, and their association with other functions are rarely quantified.MethodsWe conduc
Authors
Ian Pearse, Eric LoPresti, Bruce Baldwin, Billy Krimmel
Multi-criteria decision approach for climate adaptation of cultural resources along the Atlantic coast of the southeastern United States: Application of AHP method
Prioritizing climate adaptation actions is often made difficult by stakeholders and decision-makers having multiple objectives, some of which may be competing. Transparent, transferable, and objective methods are needed to assess and weight different objectives for complex decisions with multiple interests. In this study, the Analytic Hierarchy Process (AHP) was used to examine priorities in manag
Authors
Abu SMG Kibria, Erin Seekamp, Xiao Xiao, Soupy Dalyander, Mitchell Eaton