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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Filter Total Items: 175318
Geochemistry and Soils of the Big Smoky Valley Fens, Nevada Geochemistry and Soils of the Big Smoky Valley Fens, Nevada
Fens are groundwater-fed wetlands that can provide habitat for plants and animals. Due to anthropogenic activities and climate change, many fens around the world are at risk. This paper presents the results of a study of the hydrology and geochemistry of fens in Big Smoky Valley, central Nevada to support the Bureau of Land Management’s activities in the area. A water sample from the...
Authors
Sade K. Cromratie Clemons, Geoffrey John Moret, Katherine J. Earp
Developing eRNA assays for spawning and juvenile bigheaded carps Developing eRNA assays for spawning and juvenile bigheaded carps
No abstract available.
Authors
Stephen Frank Spear
Rusting rivers: Assessing the causes and consequences in Alaska and across the Arctic Rusting rivers: Assessing the causes and consequences in Alaska and across the Arctic
No abstract available.
Authors
Jonathan A. O'Donnell, Michael P. Carey, Joshua C. Koch, Carson Baughman, Kenneth Hill, Taylor Evinger, Abagael Pruitt, Claire Thompson, Emily B. Graham, Brett A Poulin
Leveraging an observed-data likelihood improves the use of machine learning labels in a Bayesian hierarchical model for bioacoustic data Leveraging an observed-data likelihood improves the use of machine learning labels in a Bayesian hierarchical model for bioacoustic data
Classification of massive datasets by machine learning (ML) algorithms is promising for many scientific domains, especially wildlife monitoring programs that rely on passive acoustic surveys for detecting species. However, treating ML-predicted class labels (e.g., species identity) as truth biases inferences of focal parameters within common modeling frameworks. One solution is to model...
Authors
Jacob Oram, Katharine M. Banner, Christian Stratton, Andrew Hoegh, Kathryn Irvine
Environmental DNA metabarcoding for monitoring fish biodiversity in remote lakes Environmental DNA metabarcoding for monitoring fish biodiversity in remote lakes
Objective Environmental DNA (eDNA) metabarcoding provides an attractive option for monitoring biodiversity in remote freshwater ecosystems, where the deployment of conventional gears encounters major logistical constraints. We evaluated eDNA metabarcoding for monitoring fish communities and early detection of nonnative species in three remote lakes on Isle Royale, Michigan, USA. Methods...
Authors
Nicholas J. Iacaruso, Jared Thomas Myers, Michael J. Seider, Mark A. Davis
Range-wide population trend analysis for greater sage-grouse (Centrocercus urophasianus)—Updated 1960–2024 Range-wide population trend analysis for greater sage-grouse (Centrocercus urophasianus)—Updated 1960–2024
Greater sage-grouse (Centrocercus urophasianus; hereafter sage-grouse) are at the center of State and national land-use policies largely because of their unique life-history traits as an ecological indicator for the health of sagebrush ecosystems. This updated population trend analysis provides State and Federal land and wildlife managers with the best available science to help guide...
Authors
Brian G. Prochazka, Peter S. Coates, Cameron L. Aldridge, Michael S. O’Donnell, David R. Edmunds, Adrian P. Monroe, Steve E. Hanser, Lief A. Wiechman, Michael P. Chenaille
Adult and hatch-year survival and fidelity of Piping Plovers Charadrius melodus in the lower Platte River system, Nebraska, USA Adult and hatch-year survival and fidelity of Piping Plovers Charadrius melodus in the lower Platte River system, Nebraska, USA
Knowledge of vital rates informs the conservation and management of threatened and endangered species. In the northern Great Plains, USA, the federally threatened Piping Plover Charadrius melodus uses a variety of nesting habitats including natural river sandbars and human-created sites in the lower Platte River system, Nebraska. In this area, off-river sandpit sites (i.e., active sand...
Authors
Elsa M. Forsberg, Larkin A. Powell, Rose J. Swift, Joel G. Jorgensen, Mark P. Vrtiska
A framework for analyzing wild turkey summer sighting data. A framework for analyzing wild turkey summer sighting data.
Wildlife agencies collect data on productivity (e.g., proportion of hens with poults and number of poults per hen) of wild turkey (Meleagris gallopavo) to monitor population status and trends. However, sampling protocols to collect productivity data rely on opportunistic observations reported by wildlife agency personnel and the public and have changed over time and differed among...
Authors
Duane R. Diefenbach, Frances E. Buderman, Mary Jo Casalena, Michael Dye, Robert Gates, Laura Christine Gigliotti, C. Robert Long, Katherine Martin, Michael Muthersbaugh, Michael L. Peters, James Sloan, Joshua Stiller, Mark Wiley
Predicted fish vulnerability to stream drying in the western U.S.A. Predicted fish vulnerability to stream drying in the western U.S.A.
The frequency, magnitude and extent of stream drying is increasing due to climate change and human water demand. Fish vulnerability to increased stream drying is a combination of sensitivity (innate tolerance to low streamflow) and exposure to stream drying. To understand fish tolerance to low flow and susceptibility to decline under changing streamflow conditions, we estimated species...
Authors
Elizabeth A. Rieger, Niall G. Clancy, Ryan R. McShane, Roy Sando, Annika W. Walters
The Hawaiian Volcanoes Supersite: Open data for the benefit of science and society The Hawaiian Volcanoes Supersite: Open data for the benefit of science and society
The Hawaiian Volcanoes Supersite was established in 2008 with the goal of making large amounts of volcano monitoring data, especially satellite measurements, freely available at a site of international interest, scientific importance, and impactful natural hazards. The location was chosen because of the long history of volcanological research and innovation on the Island of Hawaiʻi, as...
Authors
Michael Poland, Stefano Salvi, Falk Amelung, Marco Bagnardi, Tyler Grant Paladino, Ingrid A. Johanson, Megan McLay
Sentinel-2 based estimates of rangeland fractional cover and canopy gap class for the western United States Sentinel-2 based estimates of rangeland fractional cover and canopy gap class for the western United States
Rangelands are extensive ecosystems, providing important ecosystem services while undergoing continuous change. As a result, improved monitoring technologies can help better characterize vegetation change. Satellite remote sensing has proven effective in this regard, tracking vegetation dynamics at broad and fine scales. We leveraged the spatial, spectral, and temporal resolution of...
Authors
Brady W. Allred, Sarah E. McCord, Timothy J. Assal, Brandon T. Bestelmeyer, Chad S. Boyd, Alexander C. Brooks, Samantha M. Cady, Michael C. Duniway, Samuel D. Fuhlendorf, Shane A. Green, Georgia R. Harrison, Eric R. Jensen, Emily J. Kachergis, Anna C. Knight, Chloe M. Mattilio, Brian A. Mealor, David E. Naugle, Dylan O’Leary, Peter J. Olsoy, Erika S. Peirce, Jason R. Reinhardt, Robert K. Shriver, Joseph T. Smith, Jason D. Tack, Ashley M. Tanner, Evan P. Tanner, Dirac Twidwell, Nicholas P. Webb, Scott L. Morford
Disentangling geomorphic equifinality in sediment and hydrologic connectivity through the analyses of landscape drivers of hysteresis Disentangling geomorphic equifinality in sediment and hydrologic connectivity through the analyses of landscape drivers of hysteresis
Sources, transport mechanisms and pathways of fine sediment in river systems are dependent on a multitude of climatic, geomorphic and anthropogenic factors, resulting in geomorphic equifinality, in which it is difficult to parse how different landscape processes affect sediment transport across different spatiotemporal scales. The objectives of this study are to 1) provide a conceptual...
Authors
Jong Cho, J. William Lund, Grady Ball, Jeb E. Brown, Allen C. Gellis, Laura N. Gurley, Scott Douglas Hamshaw, Jeffrey Stephen Kwang, Andrew Roy Laws, Gregory E. Noe, Gretchen P. Oelsner, Francis Parchaso, Cara L. Peterman-Phipps, Katherine Skalak, Nicholas Alan Sutfin