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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Mission Area Publications
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Snag dynamics and surface fuel loads in the Sierra Nevada: Predicting the impact of the 2012–2016 drought
Forest die-backs linked to extreme droughts are expected to increase as the climate dries and warms. An example is the 2012-2016 hotter drought in California that induced widespread tree mortality in the Sierra Nevada, California. The sudden increase in snags (i.e., standing dead trees) raised immediate concerns about their impact on wildfire hazard and longer-term questions about their impact on
Authors
Hudson Northrop, Jodi N. Axelson, Adrian Das, Nathan L. Stephenson, Emilio Vilanova, Scott L. Stephens, John J. Battles
Marginal value analysis reveals shifting importance of migration habitat for waterfowl under a changing climate
Migratory waterfowl are an important resource for consumptive and non-consumptive users alike and provide tremendous economic value in North America. These birds rely on a complex matrix of public and private land for forage and roosting during migration and wintering periods, and substantial conservation effort focuses on increasing the amount and quality of target habitat. Yet, the value of habi
Authors
Ryan C. Burner, Benjamin Donald Golas, Kevin J. Aagaard, Eric V. Lonsdorf, Wayne E. Thogmartin
Creating oriented and precisely sectioned mineral mounts for in situ chemical analyses—An example using olivine for diffusion chronometry studies
Diffusion chronometry is now a widely applied methodology for determining the rates and timescales of geologic processes from the chemical zoning observed in minerals. Despite the popularity of the method, several challenges still remain during its application, including: (1) the random sectioning of minerals either in thin sections or grain mounts in which both off-center and oblique sections con
Authors
Kendra J. Lynn, Liliana G. Desmither
Shifted sediment-transport regimes by climate change and amplified hydrological variability in cryosphere-fed rivers
Climate change affects cryosphere-fed rivers and alters seasonal sediment dynamics, affecting cyclical fluvial material supply and year-round water-food-energy provisions to downstream communities. Here, we demonstrate seasonal sediment-transport regime shifts from the 1960s to 2000s in four cryosphere-fed rivers characterized by glacial, nival, pluvial, and mixed regimes, respectively. Spring see
Authors
Tinghu Zhang, Dongfeng Li, Amy E. East, Albert J. Kettner, James L. Best, Jinren Ni, Xixi Lu
Alternative lifestyles: A plague persistence hypothesis
Several explanations have been posited for how the plague bacterium (Yersinia pestis) reemerges during sylvatic cycles within the same foci over many years, and often without direct evidence of host die-offs. One prevalent view is that transmission-optimized Y. pestis bacteria, exhibiting epizootic/enzootic behavior, almost continually replicate and survive through repeated, linked, host-centered
Authors
Jeffrey Wimsatt, David A. Eads, Marc R. Matchett, Dean E. Biggins
Response of lake metabolism to catchment inputs inferred using high-frequency lake and stream data from across the northern hemisphere
In lakes, the rates of gross primary production (GPP), ecosystem respiration (R), and net ecosystem production (NEP) are often controlled by resource availability. Herein, we explore how catchment vs. within lake predictors of metabolism compare using data from 16 lakes spanning 39°N to 64°N, a range of inflowing streams, and trophic status. For each lake, we combined stream loads of dissolved org
Authors
Jessica R. Corman, Jacob Aaron Zwart, Jennifer Klug, Denise A Bruesewitz, Elvira de Eyto, Marcus Klaus, Lesley B. Knoll, James A. Rusak, Michael J. Vanni, María Belén Alfonso, Rocio Luz Fernandez, Huaxia Yao, Kari Austnes, Raoul-Marie Couture, Heleen A. de Wit, Jan Karlsson, Alo Laas
Horizon scanning for potentially invasive non-native marine species to inform trans-boundary conservation management – Example of the northern Gulf of Mexico
Prevention of non-native species introductions and establishment is essential to avoid adverse impacts of invasive species in marine environments. To identify potential new invasive species and inform non-native species management options for the northern Gulf of Mexico (Alabama, Mississippi, Louisiana, Texas), 138 marine species were risk screened for current and future climate conditions using t
Authors
Kathryn A. O'Shaughnessy, Lorenzo Vilizzi, Wesley M. Daniel, Monica E. McGarrity, Hanna Bauer, Leslie Hartman, Stephen Geiger, Paul Sammarco, Steve Kolian, Scott Porter, Jessica Dutton, Matthew R. McClure, Michael Norberg, Alex Fogg, Timothy J. Lyons, Justin Procopio, Lauren Bantista, Wayne A Bennett, Mary Wicksten, David B. Reeves, Julie Lively, Elizabeth M. Robinson, Jorge Brenner, Joseph Goy, Ashley Morgan-Olvera, Anna L.E. Yunnie, Gordon H. Copp
Georectified polygon database of ground-mounted large-scale solar photovoltaic sites in the United States
Over 4,400 large-scale solar photovoltaic (LSPV) facilities operate in the United States as of December 2021, representing more than 60 gigawatts of electric energy capacity. Of these, over 3,900 are ground-mounted LSPV facilities with capacities of 1 MWdc or more. Ground mounted LSPV installations continue increasing, with more than 400 projects appearing online in 2021 alone; however, a comprehe
Authors
Sydny K. Fujita, Zachary H. Ancona, Louisa Kramer, Mary Straka, Tandie E. Gautreau, Dana Robson, Christopher P. Garrity, Ben Hoen, James E. Diffendorfer
Monitoring Avian Productivity and Survivorship (MAPS) 6-year summary, Naval Outlying Landing Field, Imperial Beach, southwestern San Diego County, California, 2014–20
Executive SummaryFrom 2014 to 2020, a Monitoring Avian Productivity and Survivorship (MAPS) banding station (station) was operated at the Naval Outlying Landing Field (NOLF), Imperial Beach, in southwestern San Diego County, California. The station was established as part of a long-term monitoring program of Neotropical migratory bird populations on NOLF and helps Naval Base Coronado (NOLF is a co
Authors
Suellen Lynn, Shannon Mendia, Barbara E. Kus
Development and application of a risk assessment tool for aquatic invasive species in the international Rainy-Lake of the Woods Basin, United States and Canada
The Rainy-Lake of the Woods Basin covers 70,000 square kilometers in mid-central North America and is contained within the Provinces of Ontario and Manitoba in Canada and the State of Minnesota in the United States. This basin contains natural wilderness areas, national parks, and thousands of lakes that bring outdoor enthusiasts from around the world for hunting, fishing, backpacking, boating, an
Authors
Amanda H. Bell, Leon R. Katona, Nicole M. Vellequette
Extinction risk modeling predicts range-wide differences of climate change impact on Karner blue butterfly (Lycaeides melissa samuelis)
The Karner blue butterfly (Lycaeides melissa samuelis, or Kbb), a federally endangered species under the U.S. Endangered Species Act in decline due to habitat loss, can be further threatened by climate change. Evaluating how climate shapes the population trend of the Kbb can help in the development of adaptive management plans. Current demographic models for the Kbb incorporate in either a density
Authors
Yudi Li, David Wilson, Ralph Grundel, Steven Campbell, Joe Knight, Jim Perry, Jessica J. Hellmann
Empirical estimation of habitat suitability for rare plant restoration in an era of ongoing climatic shifts
Accurate estimates of current and future habitat suitability are needed for species that may require assistance in tracking a shifting climate. Standard species distribution models (SDMs) based on occurrence data are the most common approach for evaluating climatic suitability, but these may suffer from inaccuracies stemming from disequilibrium dynamics and/or an inability to identify suitable cli
Authors
Paul Krushelnycky, Lucas Fortini, Jeffrey Mallinson, Jesse Felts