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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The SCEC/USGS community stress drop validation study using the 2019 Ridgecrest earthquake sequence
We introduce a community stress drop validation study using the 2019 Ridgecrest, California, earthquake sequence, in which researchers are invited to use a common dataset to independently estimate comparable measurements using a variety of methods. Stress drop is the change in average shear stress on a fault during earthquake rupture, and as such is a key parameter in many ground motion, rupture s
Authors
Annemarie S. Baltay, Rachel E Abercrombie, Shanna Xianhui Chu, Taka'aki Taira
Illegal shooting of protected nongame birds along power lines coincides with places and times of peak legal recreational shooting
Illegal killing of protected nongame birds is pervasive and can be demographically relevant.
In 2021 and 2022, we evaluated spatial and temporal patterns in illegal killing of birds along
69.7 km of power lines in the Morley Nelson Snake River Birds of Prey National
Conservation Area in Idaho, USA, to provide insight into potential drivers behind the activity
and key information to manage this
Authors
Eve C. Thomason, James R. Belthoff, Sharon Poessel, Todd E. Katzner
Earthquake relocations delineate discrete a fault network and deformation corridor throughout Southeast Alaska and Southwest Yukon
Deformation in southeastern Alaska and southwest Yukon is governed by the subduction and translation of the Pacific-Yakutat plates relative to the North American plate in the St. Elias region. Despite notable historical seismicity and major regional faults, studies of the region between the Fairweather and Denali faults are complicated by glacial coverage and the remote setting. In the last decade
Authors
Katherine M. Biegel, Jeremy M. Gosselin, Jan Dettmer, Maurice Colpron, Eva Enkelmann, Jonathan Caine
Discovery and genomic characterization of a novel hepadnavirus from asymptomatic anadromous alewife (Alosa pseudoharengus)
The alewife (Alosa pseudoharengus) is an anadromous herring that inhabits waters of northeastern North America. This prey species is a critical forage for piscivorous birds, mammals, and fishes in estuarine and oceanic ecosystems. During a discovery project tailored to identify potentially emerging pathogens of this species, we obtained the full genome of a novel hepadnavirus (ApHBV) from clinical
Authors
Clayton D Raines, Jan Lovy, Nicolas B.D. Phelps, Sunil Mor, Terry Ng, Luke Iwanowicz
Earthquake cycle mechanics during caldera collapse: Simulating the 2018 Kīlauea eruption
In multiple observed caldera-forming eruptions, the rock overlying a draining magma reservoir dropped downward along ring faults in sequences of discrete collapse earthquakes. These sequences are analogous to tectonic earthquake cycles and provide opportunities to examine fault mechanics and collapse eruption dynamics over multiple events. Collapse earthquake cycles have been studied with zero-dim
Authors
Joshua Allen Crozier, Kyle R. Anderson
Evaluating the effectiveness of joint species distribution modeling for fresh water fish communities within large watersheds
Accurately predicting species’ distributions is critical for the management and conservation of fish and wildlife populations. Joint Species Distribution Models (JSDMs) account for dependencies between species often ignored by traditional species distribution models. We evaluated how a JSDM approach could improve predictive strength for stream fish communities within large watersheds (the Chesapea
Authors
Paul McLaughlin, Kevin Krause, Kelly O. Maloney, Taylor E Woods, Tyler Wagner
Why do avian responses to change in Arctic green-up vary?
Global climate change has altered the timing of seasonal events (i.e., phenology) for a diverse range of biota. Within and among species, however, the degree to which alterations in phenology match climate variability differ substantially. To better understand factors driving these differences, we evaluated variation in timing of nesting of eight Arctic-breeding shorebird species at 18 sites over
Authors
Eveling A. Tavera, David B. Lank, David C. Douglas, Brett K. Sandercock, Richard B. Lanctot, Niels M. Schmidt, Jeroen Reneerkens, David H. Ward, Joel Bety, Eunbi Kwon, Nicolas Lecomte, Cheri L Gratto-Trevor, Paul A. Smith, Willow B. English, Sarah T. Saalfeld, Stephen C. Brown, H. River Gates, Erica Nol, Joseph R. Liebezeit, Rebecca L. McGuire, Laura McKinnon, Steve Kendall, Martin D. Robards, Megan Boldenow, David C. Payer, Jennie Rausch, Mikhail Soloviev, Diana V. Solovyeva, Steve Zack, Jordyn Stalwick, Kirsty E. B. Gurney
Pockmarks offshore Big Sur, California provide evidence for recurrent, regional, and unconfined sediment gravity flows
Recent surface ship multibeam surveys of the Sur Pockmark Field, offshore Central California, reveal >5,000 pockmarks in an area that is slated to host a wind farm, between 500- and 1,500-m water depth. Extensive fieldwork was conducted to characterize the seafloor environment and its recent geologic history, including visual observations with remotely operated vehicles, sediment core sampling, an
Authors
E. Lundsten, Charles K. Paull, R. Gwiazda, S. Dobbs, D.W. Caress, Linda A. Kuhnz, M. Walton, N. Nieminski, Mary McGann, Thomas Lorenson, Guy R. Cochrane, Jason A. Addison
Chronic wasting disease alters the movement behavior and habitat use of mule deer during clinical stages of infection
Integrating host movement and pathogen data is a central issue in wildlife disease ecology that will allow for a better understanding of disease transmission. We examined how adult female mule deer (Odocoileus hemionus) responded behaviorally to infection with chronic wasting disease (CWD). We compared movement and habitat use of CWD-infected deer (n = 18) to those that succumbed to starvation (an
Authors
Gabriel M. Barrile, Paul Cross, Cheynne Stewart, Jennifer L. Malmberg, Rhiannon P. Jakopak, Justin Binfet, Kevin Montieth, Brandon Werner, Jessica Jennings-Gaines, JA Merkle
Development and validation of a GT-seq panel for genetic monitoring in a threatened species using minimally invasive sampling
Minimally invasive samples are often the best option for collecting genetic material from species of conservation concern, but they perform poorly in many genomic sequencing methods due to their tendency to yield low DNA quality and quantity. Genotyping-in-thousands by sequencing (GT-seq) is a powerful amplicon sequencing method that can genotype large numbers of variable-quality samples at a stan
Authors
Molly J. Garrett, Stacey A. Nerkowski, Shannon Kieran, Nathan R. Campbell, Soraia Barbosa, Courtney J. Conway, Paul A. Hohenlohe, Lisette P. Waits
Resilience is not enough: Toward a more meaningful rangeland adaptation science
Rangeland ecosystems, and their managers, face the growing urgency of climate change impacts. Researchers are therefore seeking integrative social-ecological frameworks that can enhance adaptation by managers to these climate change dynamics through tighter linkages among multiple scientific disciplines and manager contexts. Social-ecological framings, including resilience and vulnerability, are p
Authors
Hailey Wilmer, Daniel B. Ferguson, Maude Dinan, Eric Thacker, Peter B. Adler, Kathryn Bills Walsh, John B. Bradford, Mark Brunson, Justin D. Derner, Emile Elias, Andrew J Felton, Curtis A. Gray, Christina Greene, Mitchel P McClaran, Robert K. Shriver, Mitch Stephenson, Katharine Nash Suding
Updated range map of an endangered salamander and congeneric competitor reveals different niche preferences
Estimating distributions for cryptic and highly range-restricted species induces unique challenges for species distribution modeling. In particular, bioclimatic covariates that are typically used to model species ranges at regional and continental scales may not show strong variation at scales of 100s and 10s of meters. This limits both the likelihood and usefulness of correlated occurrence to dat
Authors
Jo Avital Werba, David A. W. Miller, Adrianne Brand, Evan H. Campbell Grant