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Hepeviruses of aquatic organisms Hepeviruses of aquatic organisms
Originally reported in California, the cutthroat trout virus (CTV) has now been isolated from nine species of salmonids in North America. Early work focused on the replication and physical characteristics of the virus, but 20 years later was determined to be most closely related to the hepatitis E virus. The small genome is positive-sense, single-stranded RNA similar to other members of...
Authors
William N. Batts
Slip rate for the Rose Canyon fault through San Diego, California, based on analysis of GPS data: Evidence for a potential Rose Canyon–San Miguel-Vallecitos fault connection? Slip rate for the Rose Canyon fault through San Diego, California, based on analysis of GPS data: Evidence for a potential Rose Canyon–San Miguel-Vallecitos fault connection?
The Rose Canyon fault is the southern extension of the larger Newport–Inglewood–Rose Canyon fault system, which represents a major structural boundary in the Inner Continental Borderland (ICB) offshore of southern California. Ten to fifteen percent of total plate boundary motion in southern California is thought to be accommodated by the faults of the ICB, but the exact distribution of...
Authors
Drake Moore Singleton, Jillian Maloney, Duncan Agnew, Thomas Rockwell
Report of the River Master of the Delaware River for the period December 1, 2015 - November 30, 2016 Report of the River Master of the Delaware River for the period December 1, 2015 - November 30, 2016
Authors
Kendra L. Russell, William J. Andrews, Vincent J. DiFrenna, J. Michael Norris, Mason
Using integrated step selection to determine effects of predation risk on bison habitat selection and movement Using integrated step selection to determine effects of predation risk on bison habitat selection and movement
Animal movement is a fundamental mechanism that shapes communities and ecosystems. Ungulates alter the ecosystems they inhabit and understanding their movements and distribution is critical for linking habitat with population dynamics. Predation risk has been shown to strongly influence ungulate movement patterns, such that ungulates may select habitat where predation risk is lower...
Authors
Skye Salganek, Kathryn A. Schoenecker, Miranda L.N. Terwilliger
Modeling the potential habitat gained by planting sagebrush in burned landscapes Modeling the potential habitat gained by planting sagebrush in burned landscapes
Many revegetation projects are intended to benefit wildlife species. Yet, there are few a priori evaluations that assess the potential efficiency of restoration actions in recovering wildlife habitats. We developed a spatial vegetation–habitat recovery model to gauge the degree to which field planting strategies could be expected to recover multi-factor habitat conditions for wildlife...
Authors
Julie A. Heinrichs, Michael S. O’Donnell, Elizabeth Kari Orning, David A. Pyke, Mark A. Ricca, Peter S. Coates, Cameron L. Aldridge
Probabilistic assessment of postfire debris-flow inundation in response to forecast rainfall Probabilistic assessment of postfire debris-flow inundation in response to forecast rainfall
Communities downstream of burned steep lands face increases in debris-flow hazards due to fire effects on soil and vegetation. Rapid postfire hazard assessments have traditionally focused on quantifying spatial variations in debris-flow likelihood and volume in response to design rainstorms. However, a methodology that provides estimates of debris-flow inundation downstream of burned...
Authors
A. B. Prescott, L. A. McGuire, K.-S. Jun, Katherine R. Barnhart, N. S. Oakley
Remote sensing of volcano deformation and surface change Remote sensing of volcano deformation and surface change
Volcanic unrest and eruptions are associated with surface deformation and landscape change that can be detected, characterized, and tracked via remote sensing measurements. Subsurface processes, including magma accumulation, withdrawal, and transport, can cause displacements at the surface that are best tracked at subaerial volcanoes with interferometric synthetic aperture radar (InSAR)...
Authors
Michael Poland
Exploring spatial and temporal symptoms of the freshwater salinization syndrome in a rural to urban watershed Exploring spatial and temporal symptoms of the freshwater salinization syndrome in a rural to urban watershed
The freshwater salinization syndrome (FSS), a concomitant watershed-scale increase in salinity, alkalinity, and major-cation and trace-metal concentrations, over recent decades, has been described for major rivers draining extensive urban areas, yet few studies have evaluated temporal and spatial FSS variations, or causal factors, at the subwatershed scale in mixed-use landscapes. This...
Authors
Nicole K. Marks, Charles A. Cravotta, Marissa Lee Rossi, Camila Silva, Peleg Kremer, Steven T. Goldsmith
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 B. Grace, Nicholas Enwright, Glenn R. Guntenspergen, Kevin J. Buffington, Karen M. Thorne, Joel A. Carr, William V. Sweet, Brady Couvillion