Publications
Browse more than 160,000 publications authored by our scientists over the past 100+ year history of the USGS. Publications available are: USGS-authored journal articles, series reports, book chapters, other government publications, and more.
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Arsenic accumulation in Sonora Mud Turtles (Kinosternon sonoriense) in an unusual freshwater food web Arsenic accumulation in Sonora Mud Turtles (Kinosternon sonoriense) in an unusual freshwater food web
Montezuma Well is an unusual fishless, spring-fed, desert wetland in central Arizona. Water in the wetland is naturally enriched with > 100 µg/l dissolved geogenic arsenic (As) and supports a simple aquatic food web dominated by a small number of endemic invertebrate species that achieve high abundances. Previous studies of As among various environmental compartments and organisms in...
Authors
Jeffrey E. Lovich, Thomas R. Kulp, Charles A. Drost, Rodrigo Macipríos, Susan Knowles, Joshua R. Ennen
Microfossil biostratigraphy and paleoenvironments of Cretaceous and Pliocene sediments along Greens Mill Run, North Carolina, USA Microfossil biostratigraphy and paleoenvironments of Cretaceous and Pliocene sediments along Greens Mill Run, North Carolina, USA
Cretaceous sediments are disconformably overlain by Pliocene sediments along the banks of Greens Mill Run, Greenville, North Carolina, located in the central coastal plain. The Cretaceous sediments, composed of glauconitic sand and clay, have previously been informally considered part of the Maastrichtian Peedee Formation. The Pliocene sediments are assigned to the Yorktown Formation and...
Authors
Mikayla Dixon, Stephen J. Culver, David J. Mallinson, Brian T. Huber, Jean Self-Trail, Whittney Spivey, W. Burleigh Harris
Salt marsh habitats and diamondback terrapins in a rapidly changing climate: A review Salt marsh habitats and diamondback terrapins in a rapidly changing climate: A review
The impacts associated with global climate change (e.g., sea-level rise, tropical storms, and warming temperatures) are expected to alter predator–prey interactions, foundation species, and plant community structure in coastal ecosystems. While the complex dynamics of these habitats have been examined under future climate predictions, few ecosystem models incorporate influences from...
Authors
Margaret M. Lamont, Michael J. Osland, Melissa M. Baustian
Neonatal antipredator tactics shape female movement patterns in large herbivores Neonatal antipredator tactics shape female movement patterns in large herbivores
Caring for newborn offspring hampers resource acquisition of mammalian females, curbing their ability to meet the high energy expenditure of early lactation. Newborns are particularly vulnerable, and large herbivores have evolved a continuum of neonatal anti-predator tactics, ranging from immobile hider to highly mobile follower offspring. How these tactics constrain female movements...
Authors
Kamal Atmeh, Christophe Bonenfant, Jean-Michel Gaillard, Mathieu Garel, A.J. Mark Hewison, Pascal Marchand, Nicolas Morellet, Pia Anderwald, Bayarbaatar Buuveibaatar, Jeffrey L. Beck, Matthew S. Becker, Floris M. van Beest, Jodi Berg, Ulrika A. Bergvall, Randall B. Boone, Mark S. Boyce, Simon Chamaill'e-Jammes, Yannick Chaval, Chimeddorj Buyanaa, David A Christianson, Simone Ciuti, Steeve D. Côté, Duane R. Diefenbach, Egil Droge, Johan T. Du Toit, Samantha P. Dwinnell, Julian Fennessy, Flurin Filli, Daniel Fortin, Emma E. Hart, Matthew Hayes, Mark Hebblewhite, Morten Heim, Ivar Herfindal, Marco Heurich, Christian von Hoermann, Katey Huggler, Craig Jackson, Andrew F. Jakes, Paul F. Jones, Petra Kaczensky, Matthew J. Kauffman, Petter Kjellander, Tayler N LaSharr, Leif Egil Loe, Roel May, Philip McLoughlin, Erling L. Meisingset, Evelyn Merrill, Kevin L. Monteith, Thomas Mueller, Atle Mysterud, Dejid Nandintsetseg, Kirk A. Olson, John Payne, Scott Pearson, Ashild Ønvik Pedersen, Dustin H. Ranglack, Adele K. Reinking, Thomas Rempfler, Clifford G Rice, Eivin Røskaft, Bernt-Erik Sæther, Sonia Saïd, Hugo Santacreu, Niels Martin Schmidt, Daan Smit, Jared A. Stabach, Martin-Hugues St-Laurent, Joëlle Taillon, W. David Walter, Kevin White, Guillaume Péron, Anne Loison
Longitudinal and seasonal changes of organic matter sources through a semi-arid river-reservoir system Longitudinal and seasonal changes of organic matter sources through a semi-arid river-reservoir system
The quality and quantity of organic matter (OM) in a river system directly affects ecosystem health; thus, managers benefit from an in-depth understanding of the drivers and sources of OM. In the Snake River, a highly altered river-reservoir system in the semi-arid western United States, OM production and loading are key drivers of reservoir anoxia, which leads to several deleterious...
Authors
Alysa Muir Yoder, Austin K. Baldwin, Mark C. Marvin-DiPasquale, Brett Poulin, Jesse Naymik, David P. Krabbenhoft
Flood-inundation maps for the Cuyahoga River at Jaite, Ohio, 2024 Flood-inundation maps for the Cuyahoga River at Jaite, Ohio, 2024
Digital flood-inundation maps for a nearly 6-mile reach of the Cuyahoga River at Jaite, Ohio, were created by the U.S. Geological Survey (USGS) in cooperation with the Northeast Ohio Regional Sewer District Board of Trustees. The maps depict estimates of the extent and depth of flooding corresponding to selected water levels (stages) at USGS streamgage 04206425 on the Cuyahoga River at...
Authors
Matthew T. Whitehead, Chad J. Ostheimer
Increasing soil water drought in response to altered precipitation timing across the western United States Increasing soil water drought in response to altered precipitation timing across the western United States
Recent trends of rising temperatures and longer droughts between precipitation events are impacting water-limited dryland ecosystems in the western United States. Although ecosystem drought response depends directly on soil moisture, trends in soil moisture (e.g., edaphic drought) remain more poorly explored than precipitation (e.g., meteorological drought), representing an important...
Authors
Fangyue Zhang, Joel A. Biederman, Daniel Rodolphe Schlaepfer, John B. Bradford, Sasha C. Reed, William K. Smith
Using the horizontal-to-vertical spectral ratio method to estimate thickness of the Barry Arm landslide, Prince William Sound, Alaska Using the horizontal-to-vertical spectral ratio method to estimate thickness of the Barry Arm landslide, Prince William Sound, Alaska
Conducting detailed investigations of large landslides is difficult, especially in the subsurface, largely due to environmental factors such as steep slopes, difficult access, and numerous objective hazards. These factors have made it challenging to accurately estimate the depth to the failure surface of the Barry Arm landslide, a large (roughly 108 cubic meters), deep-seated bedrock...
Authors
Andrew L. Collins, Kate E. Allstadt, Dennis M. Staley
Dryland fungi are spatially heterogeneous and resistant to global change drivers Dryland fungi are spatially heterogeneous and resistant to global change drivers
Fungi are considered particularly important in regulating the structure and function of dryland ecosystems, yet the response of dryland fungal communities to global change remains notably understudied. Without a clear understanding of how fungi respond to global change drivers, mitigation plans—required for biodiversity and ecosystem service conservation and restoration—are impossible to...
Authors
Andrea Lopez, Mark Anthony, Jovani Catalan-Dibene, Scott Ferrenberg, Samuel E. Jordan, Brooke B. Osborne, Sasha C. Reed, Adriana L. Romero-Olivares
Assessing the sustainability of Pacific walrus harvest in a changing environment Assessing the sustainability of Pacific walrus harvest in a changing environment
Harvest sustainability is a primary goal of wildlife management and conservation, and in a changing world, it is increasingly important to consider environmental drivers of population dynamics alongside harvest in cohesive management plans. This is particularly pertinent for harvested species that acutely experience effects of climate change. The Pacific walrus (Odobenus rosmarus...
Authors
Devin L. Johnson, Joseph Michael Eisaguirre, Rebecca L. Taylor, Erik M. Andersen, Joel L. Garlich-Miller
The dynamics of sea otter prey selection under population growth and expansion The dynamics of sea otter prey selection under population growth and expansion
Sea otters (Enhydra lutris) were extirpated from much of their range in the North Pacific by the early 1900s but have made a remarkable recovery in Southeast Alaska. Sea otter populations have been particularly successful in Glacier Bay, Alaska, a protected tidewater glacier fjord with a diverse and productive nearshore habitat. Collection of sea otter foraging observations in Glacier...
Authors
Clint Leach, Ben Weitzman, Jim Bodkin, Daniel Esler, George G. Esslinger, Kimberly A. Kloecker, Daniel Monson, Jamie N. Womble, Mevin B. Hooten
The joint effect of changes in urbanization and climate on trends in floods: A comparison of panel and single-station quantile regression approaches The joint effect of changes in urbanization and climate on trends in floods: A comparison of panel and single-station quantile regression approaches
Estimates of annual maximum (peak) flow quantiles are needed for basins undergoing changes in both urbanization and climate. Most previous work on the effect of urbanization on peak flows has considered urbanization alone and only the spatial variation in flood quantiles or its mean temporal effect, and most work on the effect of nonstationarity in climate has focused on single-station...
Authors
Thomas M. Over, Mackenzie K. Marti, Jaqueline Ortiz, Hannah Lee Podzorski