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Palaeontological signatures of the Anthropocene are distinct from those of previous epochs Palaeontological signatures of the Anthropocene are distinct from those of previous epochs
The “Great Acceleration” beginning in the mid-20th century provides the causal mechanism of the Anthropocene, which has been proposed as a new epoch of geological time beginning in 1952 CE. Here we identify key parameters and their diagnostic palaeontological signals of the Anthropocene, including the rapid breakdown of discrete biogeographical ranges for marine and terrestrial species...
Authors
Mark Williams, Jan Zalasiewicz, Anthony D. Barnosky, Reinhold Leinfelder, Martin J. Head, Colin N. Waters, Francine M.G. McCarthy, Alejandro Cearreta, David C. Aldridge, Mary McGann, Bruce Hamilton, Colin P. Summerhayes, Jaia Syvitski, Jens Zinke, Andrew B. Cundy, Barbara Fialkiewicz-Koziel, J.R. McNeill, Michinobu Kuwae, Neil L. Rose, Simon D. Turner, Yoshiki Saito, Michael Wagreich, M. Allison Stegner, Moriaki Yasuhara, Yongming Han, Amy Wrisdale, Rachael Holmes, Juan Carlos Berrio
Groundwater flow model for the Des Moines River alluvial aquifer near Des Moines, Iowa Groundwater flow model for the Des Moines River alluvial aquifer near Des Moines, Iowa
Des Moines Water Works (DMWW) is a regional municipal water utility that provides residential and commercial water resources to about 600,000 customers in Des Moines, Iowa, and surrounding municipalities in central Iowa. DMWW has identified a need for increased water supply and is exploring the potential for expanding groundwater production capabilities in the Des Moines River alluvial...
Authors
Emilia L. Bristow, Kyle W. Davis
Rising seas could cross thresholds for initiating coastal wetland drowning within decades across much of the United States Rising seas could cross thresholds for initiating coastal wetland drowning within decades across much of the United States
Accelerated sea-level rise is an existential threat to coastal wetlands, but the timing and extent of wetland drowning are debated. Recent data syntheses have clarified future relative sea-level rise exposure and sensitivity thresholds for drowning. Here, we integrate these advances to estimate when and where rising sea levels could cross thresholds for initiating wetland drowning across...
Authors
Michael Osland, Bogdan Chivoiu, James Grace, Nicholas Enwright, Glenn R. Guntenspergen, Kevin J. Buffington, Karen M. Thorne, Joel A. Carr, William V. Sweet, Brady Couvillion
Epidemiological modeling of SARS-CoV-2 in white-tailed deer (Odocoileus virginianus) reveals conditions for introduction and widespread transmission Epidemiological modeling of SARS-CoV-2 in white-tailed deer (Odocoileus virginianus) reveals conditions for introduction and widespread transmission
Emerging infectious diseases with zoonotic potential often have complex socioecological dynamics and limited ecological data, requiring integration of epidemiological modeling with surveillance. Although our understanding of SARS-CoV-2 has advanced considerably since its detection in late 2019, the factors influencing its introduction and transmission in wildlife hosts, particularly...
Authors
Elias Rosenblatt, Jonathan D. Cook, Graziella Vittoria DiRenzo, Evan H. Campbell Grant, Fernando Arce, Kimberly M Pepin, F. Javiera Rudolph, Michael C. Runge, Susan A. Shriner, Daniel P. Walsh, Brittany A. Mosher
Comparative toxicity of emulsifiable concentrate and suspension concentrate formulations of 2′,5-dichloro-4′-nitrosalicylanilide ethanolamine salt Comparative toxicity of emulsifiable concentrate and suspension concentrate formulations of 2′,5-dichloro-4′-nitrosalicylanilide ethanolamine salt
The 2-aminoethanol salt of niclosamide (2′,5-dichloro-4′-nitrosalicylanilide) is a pesticide known as Bayluscide that is used in conjunction with TFM (4-nitro-3-[trifluoromethyl]phenol), also known as 3-trifluoromethyl-4-nitrophenol) to treat tributaries to the Great Lakes infested with invasive parasitic Petromyzon marinus (sea lamprey). Adding 0.5 to 2 percent Bayluscide with TFM can
Authors
James A. Luoma, Justin R. Schueller, Nicholas Schloesser, Courtney A. Kirkeeng, Samantha L. Wolfe
Pliocene–Pleistocene warm-water incursions and water mass changes on the Ross Sea continental shelf (Antarctica) based on foraminifera from IODP Expedition 374 Pliocene–Pleistocene warm-water incursions and water mass changes on the Ross Sea continental shelf (Antarctica) based on foraminifera from IODP Expedition 374
International Ocean Discovery Program (IODP) Expedition 374 sailed to the Ross Sea in 2018 to reconstruct paleoenvironments, track the history of key water masses, and assess model simulations that show warm-water incursions from the Southern Ocean led to the loss of marine-based Antarctic ice sheets during past interglacials. IODP Site U1523 (water depth 828 m) is located at the...
Authors
Julia Lynn Seidenstein, R. Mark Leckie, Robert McKay, L. De Santis, David Harwood
Silver Chub spawning confirmed in the Maumee River, a tributary of Lake Erie Silver Chub spawning confirmed in the Maumee River, a tributary of Lake Erie
Objective Biodiversity is declining due to invasive species and other factors that can affect individual species differently. Silver Chub Macrhybopsis storeriana are declining in their native range, and their conservation status in the Great Lakes ranges from secure to possibly extirpated. Lake Erie once supported a large Silver Chub population until it crashed in the 1950s. Additionally...
Authors
Ryan E. Brown, Christine M. Mayer, Nathan Thompson, Corbin David Hilling, James Roberts, Catherine A. Richter
Assessment of undiscovered conventional oil and gas resources of the Black Sea area, 2023 Assessment of undiscovered conventional oil and gas resources of the Black Sea area, 2023
Using a geology-based assessment methodology, the U.S. Geological Survey estimated undiscovered, technically recoverable mean resources of 2.3 billion barrels of oil and 105.5 trillion cubic feet of gas in the Black Sea area.
Authors
Christopher J. Schenk, Tracey J. Mercier, Cheryl A. Woodall, Phuong A. Le, Andrea D. Cicero, Ronald M. Drake, Geoffrey S. Ellis, Thomas M. Finn, Michael H. Gardner, Sarah E. Gelman, Jane S. Hearon, Benjamin G. Johnson, Jenny H. Lagesse, Heidi M. Leathers-Miller, Kristen R. Marra, Kira K. Timm, Scott S. Young
Drought as an emergent driver of ecological transformation in the twenty-first century Drought as an emergent driver of ecological transformation in the twenty-first century
Under climate change, ecosystems are experiencing novel drought regimes, often in combination with stressors that reduce resilience and amplify drought’s impacts. Consequently, drought appears increasingly likely to push systems beyond important physiological and ecological thresholds, resulting in substantial changes in ecosystem characteristics persisting long after drought ends (i.e
Authors
Wynne Emily Moss, Shelley Crausbay, Imtiaz Rangwala, Jay Wason, Clay Trauernicht, Camille S. Stevens-Rumann, Anna Sala, Caitlin M. Rottler, Gregory T. Pederson, Brian W. Miller, Dawn Magness, Jeremy S. Littell, Lee Frelich, Abby G. Frazier, Kimberly R. Davis, Jonathan Coop, Jennifer M. Cartwright, Robert K Booth
Vegetation-generated turbulence does not impact the erosion of natural cohesive sediment Vegetation-generated turbulence does not impact the erosion of natural cohesive sediment
Previous studies have demonstrated that vegetation-generated turbulence can enhance erosion rate and reduce the velocity threshold for erosion of non-cohesive sediment. This study considered whether vegetation-generated turbulence had a similar influence on natural cohesive sediment. Cores were collected from a black mangrove forest with aboveground biomass and exposed to stepwise...
Authors
Autumn R. Deitrick, David K. Ralston, Christopher R. Esposito, Melissa Millman Baustian, Maricel Beltran Burgos, Andrew J. Courtois, Heidi M. Nepf
A conceptual framework to assess post-wildfire water quality: State of the science and knowledge gaps A conceptual framework to assess post-wildfire water quality: State of the science and knowledge gaps
Wildfire substantially alters aquatic ecosystems by inducing moderate to catastrophic physical and chemical changes. However, the relations of environmental and watershed variables that drive those effects are complex. We present a Driver-Factor-Stressor-Effect (DFSE) conceptual framework to assess the current state of the science related to post-wildfire water-quality. We reviewed 64...
Authors
Sarah M. Elliott, Michelle I. Hornberger, Donald O. Rosenberry, Rebecca J. Frus, Richard M. Webb
Same streams in a different forest? Investigations of forest harvest legacies and future trajectories across 30 years of stream habitat monitoring on the Tongass National Forest, Alaska Same streams in a different forest? Investigations of forest harvest legacies and future trajectories across 30 years of stream habitat monitoring on the Tongass National Forest, Alaska
The effects of timber harvest practices and climate change have altered forest ecosystems in southeast Alaska. However, quantification of patterns and trends in stream habitats associated with these forests is limited owing to a paucity of data available in remote watersheds. Here, we analyzed a 30-year dataset from southeast Alaska's Tongass National Forest to understand how these...
Authors
Michael J. Moore, R. Flitcroft, E. Tucker, K. K. Prussian, S. M. Claeson