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The USGS provides unbiased, objective, and impartial scientific information upon which our audiences, including resource managers, planners, and other entities, rely.
Browse more than 65,000 articles authored by our scientists over the past 100+ year history of the USGS and refine search by topic, location, year, and advanced search.
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The future of biocontrol in the Anthropocene: A review of climate change impacts on biocontrol agents and their hosts The future of biocontrol in the Anthropocene: A review of climate change impacts on biocontrol agents and their hosts
Biological control, the practice of using one species (biocontrol agent) to control the population of another (a host or prey species, hereafter target), can be a successful method to reduce pest species in agricultural and natural systems worldwide. Successful biocontrol agents often share a deep evolutionary history with their targets that results in high target specificity and...
Authors
Annette E. Evans, William Pfadenhauer, Daniel Buonaiuto, Matthew Fertakos, Carrie Brown-Lima, Toni Lyn Morelli
Complex sound scattering layer and water-column dynamics over a mesophotic coral ecosystem: Southwest Puerto Rico, U.S.A. Complex sound scattering layer and water-column dynamics over a mesophotic coral ecosystem: Southwest Puerto Rico, U.S.A.
A nearly 5-month record of high-resolution temperature and acoustic backscatter profiles from the upper insular slope off southwest Puerto Rico reveals complex sound scattering layer (SSL) dynamics over a mesophotic coral ecosystem (MCE). The SSLs exhibited both diel and reverse diel vertical migration, thin layer (
Authors
Olivia M. Cheriton, Curt D. Storlazzi, Clark E. Sherman, Kurt J. Rosenberger, Nikolaos V. Schizas
RUSH: Rapid remote sensing Updates of land cover for Storm and Hurricane forecast models RUSH: Rapid remote sensing Updates of land cover for Storm and Hurricane forecast models
Coastal vegetated ecosystems, including tidal marshes, vegetated dunes, and shrub- and forest-dominated wetlands, can mitigate hurricane impacts such as coastal flooding and erosion by increasing surface roughness and reducing wave energy. Land cover maps can be used as input to improve simulations of surface roughness in advanced hydro-morphological models. Consequently, there is a need...
Authors
Chak Wa Cheang, Kristin B. Byrd, Nicholas Enwright, Daniel D. Buscombe, Christopher R. Sherwood, Dean B. Gesch
Field test of the self-preserving eDNA filter and the importance of calibration when changing methods during long-term monitoring Field test of the self-preserving eDNA filter and the importance of calibration when changing methods during long-term monitoring
Filtering water is currently the primary field method used for collecting aquatic environmental DNA (eDNA). One of the drawbacks of filtering is the need to transfer the filter from the filter housing to a preservative-filled container in the field. New products are being developed to avoid this handling step, but comparative studies are needed to ensure that the results produced by new...
Authors
David S. Pilliod, Michaela Ray Grossklaus, Matthew B B. Laramie, Caren Suzanne Goldberg, Austen Thomas
GIScience in the era of Artificial Intelligence: A research agenda towards Autonomous GIS GIScience in the era of Artificial Intelligence: A research agenda towards Autonomous GIS
The advent of generative AI exemplified by large language models (LLMs) opens new ways to represent and compute geographic information and transcends the process of geographic knowledge production, driving geographic information systems (GIS) towards autonomous GIS. Leveraging LLMs as the decision core, autonomous GIS can independently generate and execute geoprocessing workflows to...
Authors
Zhenlong Li, Huan Ning, Song Gao, Krzysztof Janowicz, Wenwen Li, Samantha T. Arundel, Chaowei Yang, Budhendra Bhaduri, Shaoweng Wang, A-Xing Zhu, Mark Gahegan, Shashi Shekhar, Xinyue Ye, Grant McKenzie, Guido Cervone, Michael Hodgson
Mechanics and statistics of postseismic shaking Mechanics and statistics of postseismic shaking
Analysis of two weeks of continuous post-seismic shaking after the 2019 M7.1 Ridgecrest, CA earthquake sequence using 4 nearby borehole seismometers reveals that continuous ground motions decay as Omori’s law in time and follow the Gutenberg-Richter distribution in logarithmic amplitude. The measured temporal decay in amplitudes agrees with predictions of the rate-and-state framework and...
Authors
Timothy Hugh Clements, Elizabeth S. Cochran, Sarah E. Minson, Nicholas van der Elst, Clara Yoon, Annemarie S. Baltay, Morgan T. Page
Did they feel it? Legacy maroseismic data illuminates an engimatic 20th century earthquake Did they feel it? Legacy maroseismic data illuminates an engimatic 20th century earthquake
The challenges and the importance of preserving legacy instrumental records of earthquakes are now well-recognized (e.g., Richards & Hellweg, 2020, https://doi.org/10.1785/0220200053). Seismologists may not be aware of parallel challenges and opportunities with legacy macroseismic data for earthquakes in the United States. For much of the 20th century, macroseismic data were collected by...
Authors
Susan E. Hough, Lori Dengler, Robert McPherson, Lijam Hagos, Margaret Hellweg
Shear surface undulations modulate clayey gouge strength and contribute to divergent landslide acceleration Shear surface undulations modulate clayey gouge strength and contribute to divergent landslide acceleration
Landslides display a spectrum of speeds for incompletely known reasons. Sliding occurs along slickensided undulatory shear surfaces within boundary shear gouge. Laboratory tests reveal that gouge shear strength generally decreases with finite cumulative displacement during relatively rapid failure and may increase or decrease with increasing shear rate; these behaviors can result in...
Authors
William H. Schulz, Gonghui Wang, Yao Jiang, Brian D. Collins, Mark E. Reid, Mason Muir Einbund
A comparison of deep-sea coral and sponge species distribution models and the impact of ocean currents in the Southern California Bight A comparison of deep-sea coral and sponge species distribution models and the impact of ocean currents in the Southern California Bight
Deep-sea corals and sponges (DSCS) are signature taxa of deep-water habitats, but ecological mechanisms that drive their geographic distributions can be difficult to uncover due to the challenges of surveying deep-water ecosystems and limited oceanographic data. A comparison of species distribution models was made for three DSCS (Antipathes dendochristos, Plumarella longispina, and an...
Authors
Nissa Kreidler, Andre Buchheister, David D. Huff, Jerome Fiechter, Mary Yoklavich, Mark J. Henderson
Sounds of Atlantic sturgeon spawning: First description and opportunities for riverine endangered species conservation with passive acoustic monitoring Sounds of Atlantic sturgeon spawning: First description and opportunities for riverine endangered species conservation with passive acoustic monitoring
Effective recovery plans for endangered species rely on insights into species’ ecology to identify risks and develop population recovery strategies. Data gaps pose challenges for many species of conservation concern, particularly those with cryptic behaviors or that occupy difficult-to-access habitats. Sounds produced by these species offer an effective means of observing many such...
Authors
Rebecca Cohen, Patrick J. Baker, Christopher Bowser, Matthew W. Breece, Alexander Flecker, Dewayne Fox, James Henne, Amanda Higgs, Maija Niemistö, Richard Pendleton, Suresh A Sethi, Shannon L. White, Aaron Rice
Factors influencing spatial and temporal patterns of Lanius ludovicianus (Loggerhead Shrike) occupancy at a grassland-sagebrush ecotone Factors influencing spatial and temporal patterns of Lanius ludovicianus (Loggerhead Shrike) occupancy at a grassland-sagebrush ecotone
Lanius ludovicianus (Loggerhead Shrike) is a predatory songbird that has experienced a severe population decline throughout its range since the 1940s, likely driven by a combination of factors, including habitat loss and fragmentation. Occupying larger territories compared to many other passerines, L. ludovicianus requires open habitat with interspersed trees and shrubs for nesting and...
Authors
Holly M. Todaro, Scott R. Loss, Robert Charles Lonsinger, Courtney J. Duchardt
Understanding market sensitivity: Estimation of supply and demand elasticities for non-fuel minerals Understanding market sensitivity: Estimation of supply and demand elasticities for non-fuel minerals
In today’s rapidly changing economic landscape, understanding market responsiveness to price changes and the factors influencing commodity prices has become increasingly relevant. Price elasticities serve as indicators of how variations in market conditions affect supply and demand, providing insights into the sensitivity of commodity markets to price fluctuations. This paper presents a
Authors
Ensieh Shojaeddini, Elisa Alonso, Nedal T. Nassar, David Pineault, Sydney M. Allen, Jamie L. Brainard, Dalton M. McCaffrey, Timothy M. O'Brien, Abraham J. Padilla, John W. Ryter