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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Effect of rotenone treatment on alpine stream invertebratecommunities in Colorado Effect of rotenone treatment on alpine stream invertebratecommunities in Colorado
Objective: Introduction of non-native salmonids to western United States streams has resulted in extirpation and even extinction of native cutthroat trout. Once thought to be extinct, a genetically verified population of Greenback Cutthroat Trout (GBCT) Oncorhynchus virginalis stomias was identified and used for population re-establishment efforts. To restore native trout habitat, stream...
Authors
Charles F. Wahl, Robert E. Zuellig, James J. Roberts, Travis S. Schmidt, Andrea Nichole Schuhmann, Janet L. Miller, Matthew P. Fairchild
Effects of a low-lipid diet on the gut microbiome and head kidney transcriptome of juvenile Chinook Salmon Effects of a low-lipid diet on the gut microbiome and head kidney transcriptome of juvenile Chinook Salmon
Objective Pacific salmon Oncorhynchus spp. reared in production hatcheries are typically fed high-lipid, energy-dense diets to achieve large size and high body condition prior to release. In contrast, juveniles in natural environments tend to consume low-lipid, high-protein diets, and fish reared for research or conservation purposes are sometimes fed diets that are formulated to mimic...
Authors
Claire E. Couch, Konstantin Divilov, Crystal L. Herron, Bing Wang, Olivia M. Hakanson, Michelle M. Scanlan, Luke D. Whitman, Melanie J. Davis, Carl B. Schreck, James T. Peterson
Apatite (U-Th)/He thermochronology from Marsh Creek anticline reconciles Cenozoic and Holocene strain patterns and elucidates the Cenozoic canning displacement zone of Arctic Alaska Apatite (U-Th)/He thermochronology from Marsh Creek anticline reconciles Cenozoic and Holocene strain patterns and elucidates the Cenozoic canning displacement zone of Arctic Alaska
The northeastern Brooks Range is a vast fold-thrust belt that records the northernmost expression of Cenozoic deformation in Alaska, likely with complex dynamic linkages to distant tectonic elements. The principal focus of this manuscript is the Marsh Creek anticline (MCA), which is a large and recently active structure within the broader northeastern Brooks Range. The MCA is a complex...
Authors
William H. Craddock, Julie C Fosdick, Christopher D. Connors, Richard O. Lease, David W. Houseknecht, Megan Mueller, Andrew R C Kylander-Clark
Basal area loss from fire using field-calibrated remote sensing refines western US fire severity measurements Basal area loss from fire using field-calibrated remote sensing refines western US fire severity measurements
The spatial patterns of fire effects and tree mortality have profound consequences for forest resilience. Cost-effective, medium-resolution, and spatiotemporally extensive fire severity measurements are essential for informing post-fire restoration and improving our understanding of wildfires—from forest stands to continents and from days to decades. Remote sensing advancements have...
Authors
Sara Winsemius, Yufang Jin, Hugh D. Safford, Michelle C. Agne, Robert A. Andrus, C. Alina Cansler, Anthony C. Caprio, W. Wallace Covington, Joseph E. Crouse, Calvin A. Farris, Peter Z. Fulé, Brian J. Harvey, Sharon M. Hood, David W. Huffman, Emma J. McClure, Alicia L. Reiner, John P. Roccaforte, Saba J. Saberi, Michael T. Stoddard, Laura Trader, Phillip J. van Mantgem, Micah C. Wright, Michael J. Koontz
Examples of eruption response teams from the Alaska Volcano Observatory Examples of eruption response teams from the Alaska Volcano Observatory
During times of eruption response, volcano observatories need to organize themselves differently than during normal operations. The number of formal operational roles grows to ensure that critical responsibilities are covered, including management of all activities at the observatory as well as increased staffing to ensure proper surveillance of data and issuance of timely notices and...
Authors
Michelle L. Coombs, Kristi L. Wallace, Ronni Grapenthin, Jordan Edward Lubbers, Tom Murray
Plant diversity shifts with drying and wetting cycles following removal of poplar plantations in Dongting Lake, China Plant diversity shifts with drying and wetting cycles following removal of poplar plantations in Dongting Lake, China
Dongting Lake, the second largest lake in China, plays a crucial role in maintaining regional ecological security by providing key habitats for waterbirds. This study examined how hydrology and topography (ditches and mounds) together generate fine-scale wet–dry gradients that shape species establishment and successional trajectories. Over the past decade, vegetation restoration has been
Authors
Xueer Ma, Chenchen Liu, Lingli Peng, Chengzhu Liu, Beth A. Middleton, Ting Lei
Precipitation intensity increased across the South Pacific Convergence Zone in the Industrial Age Precipitation intensity increased across the South Pacific Convergence Zone in the Industrial Age
The position, strength, and variability of precipitation in the South Pacific Convergence Zone (SPCZ) remain challenging for coupled ocean-atmosphere climate models to represent, leaving future rainfall projections in this dynamically important region uncertain. Here, we present quantitative records of mean annual precipitation (MAP) spanning the past 1,000 years using sediment cores...
Authors
S. Nemiah Ladd, Ashley E. Maloney, Daniel B. Nelson, Mark D. Peaple, Julie N. Richey, Amanda Witt, Polly Sobeck, Matthew Prebble, David A. Sear, Peter G. Langdon, Nathalie Dubois, Julian P. Sachs
Sediment response to stream restoration in an agricultural watershed Sediment response to stream restoration in an agricultural watershed
Despite widespread implementation of stream restoration there is limited research of its effectiveness in impaired agricultural settings. To quantify the effects of stream restoration on sediment load, we investigated erosion and deposition along 9 stream reach sites (4 restored, 4 unrestored, and 1 downstream) in Turtle Creek, Pennsylvania, United States - a representative agricultural...
Authors
John W. Clune, Gregory B. Noe, Matthew J. Cashman, Jessica D. DeWitt, Joseph M. Bell, Mitchell R. Weaver, James E. Colgin, Thomas Rossiter Doody, Eliza L. Gross, Victor Scott Cortes
Body size, dispersal potential, range size and habitat fragmentation are linked to extinction risk of freshwater mussels Body size, dispersal potential, range size and habitat fragmentation are linked to extinction risk of freshwater mussels
Aim: Trait-based approaches are increasingly recognized as a tool for understanding species’ vulnerabilities to intensifying global change. For species with complex life histories that involve a parasitic life stage, a combination of traits associated with either the host or parasite could influence extinction risk. Location: United States of America Taxon: Freshwater mussels are a...
Authors
Garrett W. Hopper, Sean M. Keogh, Carla L. Atkinson, Traci P. Dubose, Jeffrey D. Lozier, John M. Pfeiffer, Irene Sánchez González
Comprehensive characterization of Mauna Loa basalt rheology based on the 2022 eruption Comprehensive characterization of Mauna Loa basalt rheology based on the 2022 eruption
Rheological data are crucial for the understanding of storage, transport, eruption, and emplacement of magma and lava. While viscosity estimates for lavas from Mauna Loa, the largest active volcano on Earth, exist, no direct rheological measurements have been done to date. This is especially surprising given the role Mauna Loa lavas and resulting landforms play in the interpretation of...
Authors
Stephan Kolzenburg, Martin Harris, M. Oryaelle Chevrel, Kendra J. Lynn
Mesophotic octocoral larval settlement preferences and behaviors Mesophotic octocoral larval settlement preferences and behaviors
Introduction Lab-based coral reproduction is advancing restoration efforts to support coral populations injured by the 2010 Deepwater Horizon oil spill. Objectives This study aimed to answer foundational questions concerning coral spawning and larval settlement that need to be resolved for these mesophotic and deep-sea coral species before restoration efforts can be scaled up. Methods...
Authors
Mark McCauley, Julia Johnstone, William G. Jenkins, Jayci Grosso, Arielle Pollock, Jonathan Mark Quigley, Leigh-Anne Christine Carlson, Christopher L. Gardner, Peter J. Etnoyer, Kristopher G. Benson, Amanda J. Demopoulos
Resurvey of cross sections on the Green River in Browns Park, Colorado and Utah Resurvey of cross sections on the Green River in Browns Park, Colorado and Utah
This study resurveyed ten previously established cross sections and established eight new cross sections on the Green River in Browns Park to document changes in channel width, depth, and area since earlier surveys conducted in 1994. The measured area of the channel cross sections on the Green River in Browns Park generally increased between the initial surveys and 2019. This increase in...
Authors
Ronald E. Griffiths, David J. Topping, Joel A. Unema, Keith A. Kohl