Publications

USGS 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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Filter Total Items: 169,807
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Year Published: 2021

Connectivity of Mojave Desert tortoise populations—Management implications for maintaining a viable recovery network

Executive SummaryThe historic distribution of Mojave desert tortoises (Gopherus agassizii) was relatively continuous across the range, and the importance of tortoise habitat outside of designated tortoise conservation areas (TCAs) to recovery has long been recognized for its contributions to supporting gene flow between TCAs and to minimizing...

Averill-Murray, Roy C.; Esque, Todd C.; Allison, Linda J.; Bassett, Scott; Carter, Sarah K.; Dutcher, Kirsten E.; Hromada, Steven J.; Nussear, Kenneth E.; Shoemaker, Kevin T.
Averill-Murray, R.C., Esque, T.C., Allison, L.J., Bassett, S., Carter, S.K., Dutcher, K.E., Hromada, S.J., Nussear, K.E., and Shoemaker, K., 2021, Connectivity of Mojave Desert tortoise populations—Management implications for maintaining a viable recovery network: U.S. Geological Survey Open-File Report 2021–1033, 23 p., https://doi.org/10.3133/ofr20211033.

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Year Published: 2021

Surface material and snout-vent length predict vertical scaling ability in brown treesnakes:an evaluation of multispecies barriers for invasive species control on Guam

The combination of snake-proof barriers and an aerial toxicant delivery system for snake suppression may allow large-scale control of invasive brown treesnakes (Boiga irregularis) on Guam. However, suppression or local eradication of several other species (e.g., introduced ungulates, cats, rodents) may be required for successful restoration and...

Hileman, Eric T.; Bradke, DR; Nafus, Melia G.; Yackel Adams, Amy A.; Reed, Robert

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Year Published: 2021

Red-throated loon (Gavia stellata) use of nearshore marine habitats—Results from a 2019 pilot study in northern Alaska

Red-throated loons (Gavia stellata) are a species of conservation concern in Alaska due to recent evidence of a population decline on the Arctic Coastal Plain (ACP) in northern Alaska. In 2019, the U.S. Geological Survey and the U.S. Fish and Wildlife Service conducted a pilot study to evaluate diet and use of nearshore foraging areas as possible...

Uher-Koch, Brian D.; Latty, Christopher J.; Schmutz, Joel A.
Uher-Koch, B.D., Latty, C.J., and Schmutz, J.A., 2021, Red-throated loon (Gavia stellata) use of nearshore marine habitats—Results from a 2019 pilot study in Northern Alaska: U.S. Geological Survey Open-File Report 2021–1029, 4 p., https://doi.org/10.3133/ofr20211029.

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Year Published: 2021

Three-dimensional geologic map of the Brady geothermal area, Nevada

The three-dimensional (3D) geologic map characterizes the subsurface in the Brady geothermal area in the northern Hot Springs Mountains of northwestern Nevada. We built the 3D map by integrating the results from detailed geologic mapping, seismic-reflection, potential-field-geophysical, and lithologic well-logging investigations completed in the...

Siler, Drew L.; Faulds, James E.; Hinz, Nicholas H.; Queen, John H.
Siler, D.L., Faulds, J.E., Hinz, N.H., and Queen, J.H., 2021, Three-dimensional geologic map of the Brady geothermal area, Nevada: U.S. Geological Survey Scientific Investigations Map 3469, 2 sheets, pamphlet 20 p., https://doi.org/10.3133/sim3469.

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Year Published: 2021

The role of behavioral ecotoxicology in environmental protection

For decades, we have known that chemicals affect human and wildlife behavior. Moreover, due to recent technological and computational advances, scientists are now increasingly aware that a wide variety of contaminants and other environmental stressors adversely affect organismal behavior and subsequent ecological outcomes in terrestrial and...

Ford, Alex T.; ?gerstrand, Marlene; Brooks, Bryan W.; Allen, Joel; Bertram, Michael G.; Brodin, Tomas; Dang, Zhichao; Duquesne, Sabine; Sahm, René; Hoffmann, Frauke; Hollert, Henner; Jacob, Stefanie; Klüver, Nils; Lazorchak, James M.; Ledesma, Mariana; Melvin, Steven D.; Mohr, Silvia; Padilla, Stephanie; Pyle, Gregory G.; Scholz, Stefan; Saaristo, Minna; Smit, Els; Steevens, Jeffery; van den Berg, Sanne; Kloas, Werner; Wong, Bob B.M.; Ziegler, Michael; Maack, Gerd

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Year Published: 2021

Geology of the Payette National Forest and vicinity, west-central Idaho

Before the Late Cretaceous, the eastern and western parts of the geologically complex Payette National Forest, as divided by the Salmon River suture, had fundamentally different geologic histories. The eastern part is underlain by Mesoproterozoic to Cambrian(?) rocks of the Laurentian (Precambrian North American) continent. Thick Mesoproterozoic...

Lund, Karen
Lund, K., 2004, Geology of the Payette National Forest and vicinity, west-central Idaho (ver. 1.1, April 2021): U.S. Geological Survey Professional Paper 1666–A, –B, 89 p., https://doi.org/10.3133/pp1666. [Supersedes USGS Miscellaneous Geologic Investigations Map I–2599 and the GIS data in USGS Open-File Report 98–219–B.]

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Year Published: 2021

Oregon and Landsat

Oregon’s landscape is as complex and diverse as it is beautiful. Mountain peaks in the Cascade Range soar higher than 10,000 feet. Crater Lake sinks to a depth of 1,943 feet, making it the deepest lake in the United States. Oregon’s lands feature forests, farm fields, grasslands, ocean coastline, rivers, a semidesert, and mountain ranges that...

U.S. Geological Survey, 2021, Oregon and Landsat: U.S. Geological Survey Fact Sheet 2021–3021, 2 p., https://doi.org/10.3133/fs20213021.

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Year Published: 2021

Golden Eagle

The Golden Eagle inhabits a wide range of latitudes and habitats throughout the Palearctic and into northern Africa, where it is largely resident. In North America, its breeding distribution includes most of Canada and Alaska, as well as the western half of the United States and northern and western Mexico. Most eagles that nest in northern Canada...

Katzner, Todd E.; Kochert, Michael N.; Steenhof, Karen; McIntyre, Carol L.; Craig, Erica H.; Miller, Tricia A.

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Year Published: 2021

Geophysical and video logs of selected wells at and near the former Naval Air Warfare Center Warminster, Bucks County, Pennsylvania, 2017-19

The U.S. Geological Survey (USGS) collected borehole geophysical and video logs in 17 open-hole wells in Northampton, Warminster, and Warwick Townships, Bucks County, Pennsylvania during 2017–19 to support detailed groundwater investigations at and near the former Naval Air Warfare Center (NAWC) Warminster, where groundwater contamination with per...

Senior, Lisa A.; Anderson, J. Alton; Bird, Philip H.
Senior, L.A., Anderson, J.A., and Bird, P.H., 2021, Geophysical and video logs of selected wells at and near the former Naval Air Warfare Center Warminster, Bucks County, Pennsylvania, 2017–19: U.S. Geological Survey Open-File Report 2021–1025, 92 p., https://doi.org/10.3133/ofr20211025.

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Year Published: 2021

The effects of urban land cover dynamics on urban heat Island intensity and temporal trends

Assessments of surface urban heat island (UHI) have focused on using remote sensing and land cover data to quantify UHI intensity and spatial distribution within a certain time period by including land cover information. In this study, we implemented a prototype approach to characterize the spatiotemporal variations of UHI using time series of...

Xian, George Z.; Shi, Hua; Auch, Roger F.; Gallo, Kevin; Zhou, Qiang; Wu, Zhuoting; Kolian, Michael

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Year Published: 2021

Regression relations and long-term water-quality constituent concentrations, loads, yields, and trends in the North Fork Ninnescah River, south-central Kansas, 1999–2019

Cheney Reservoir, in south-central Kansas, is the primary water supply for the city of Wichita, Kansas. The North Fork Ninnescah River is the largest tributary to Cheney Reservoir and contributes about 70 percent of the inflow. The U.S. Geological Survey, in cooperation with the City of Wichita, has been continuously monitoring water quality (...

Kramer, Ariele R.; Klager, Brian J.; Stone, Mandy L.; Eslick-Huff, Patrick J.
Kramer, A.R., Klager, B.J., Stone, M.L., and Eslick-Huff, P.J., 2021, Regression relations and long-term water-quality constituent concentrations, loads, yields, and trends in the North Fork Ninnescah River, south-central Kansas, 1999–2019: U.S. Geological Survey Scientific Investigations Report 2021–5006, 51 p., https://doi.org/10.3133/sir20215006.

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Year Published: 2021

Abundance of a recently discovered Alaskan rhodolith bed in a shallow, seagrass-dominated lagoon

Rhodoliths are important foundation species of the benthic photic zone but are poorly known and rarely studied in Alaska. A bed of Lithothamnion soriferum rhodoliths was discovered in 2008 in Kinzarof Lagoon, Alaska, a shallow-water embayment dominated by eelgrass (Zostera marina). Rhodolith presence and biomass were estimated to assess trends...

Ward, David H.; Amundson, Courtney; Fitzmorris, Patrick; Menning, Damian M.; Markis, Joel; Sowl, Kristine M.; Lindstrom, Sandra C.

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