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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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Predicting secretive species distribution using Bayesian networks with and without expert elicitation: A case study incorporating double-blind peer review Predicting secretive species distribution using Bayesian networks with and without expert elicitation: A case study incorporating double-blind peer review

1. Species that are secretive, imperilled and consequently data deficient often re-quire conservation action despite limited available information. In such scenarios, Bayesian networks (BNs) offer a versatile and intuitive approach for utilizing various information sources, including literature reviews, community science data sets and expert knowledge. Although it has been suggested that...
Authors
Dustin E. Brewer, Elisabeth B. Webb, Anne E. Mini, S. Keith McKnight
By
Cooperative Research Units

A high-resolution late Paleocene–early Eocene organic-walled dinoflagellate cyst zonation of the United States Atlantic Coastal Plain A high-resolution late Paleocene–early Eocene organic-walled dinoflagellate cyst zonation of the United States Atlantic Coastal Plain

Over the past decades, many expanded sedimentary records from the US Atlantic Coastal Plain (ACP) have been studied in detail to assess causes and consequences of the Paleocene–Eocene Thermal Maximum (PETM; ∼ 56 Ma). In ACP sections, the PETM, which is globally marked by a distinct negative carbon isotope excursion (CIE) lasting ∼ 180 kyr following a large input of 13C-depleted carbon...
Authors
Mei Nelissen, Appy Sluijs, Debra A. Willard, Henk Brinkhuis
By
Florence Bascom Geoscience Center

Changes in phosphorus concentration and flux from 2011 to 2023 in major U.S. tributaries to the Laurentian Great Lakes Changes in phosphorus concentration and flux from 2011 to 2023 in major U.S. tributaries to the Laurentian Great Lakes

Reducing phosphorus (P) flux to the Great Lakes is critical for improving water quality and controlling eutrophication. We used 13 water years (2011–2023) of U.S. Geological Survey data from 24 major U.S. tributaries (representing 47% of the U.S. Great Lakes watershed area) to evaluate temporal changes in orthophosphate (PO4-P) and total P (TP) using Weighted Regressions on Time...
Authors
Dustin William Kincaid, Matthew W. Diebel, Erin E. Bertke, Donald B. Bonville, G. F. Koltun, Dale M. Robertson, Luke C. Loken
By
New York Water Science Center, Ohio-Kentucky-Indiana Water Science Center, Upper Midwest Water Science Center

Analysis of trends in terrestrial vegetation at Mediterranean Coast Network Parks: Channel Islands National Park Analysis of trends in terrestrial vegetation at Mediterranean Coast Network Parks: Channel Islands National Park

The five islands comprising Channel Islands National Park (CHIS) experience natural gradients in temperature and moisture driven by ocean currents. Additionally, the islands were used as ranchlands and military land before becoming a national park, resulting in widespread erosion and vegetation change. As a result, CHIS spans gradients in climate as well as ranching duration and time...
Authors
Leigh Ann Starcevich, Christopher Murray, Lena F.S. Lee, Cameron B. Williams, Kathryn McEachern
By
Ecosystems Mission Area, Western Ecological Research Center (WERC)

Evaluating Laramide orogenesis via flexural basin response in the San Juan basin, New Mexico and Colorado Evaluating Laramide orogenesis via flexural basin response in the San Juan basin, New Mexico and Colorado

A challenge in interpreting the location, timing, and magnitude of ancient orogenic events is that ongoing uplift and erosion in the hinterlands often destroys much of the primary record of these events. However, basin-thickness patterns in the sedimentary record can provide complimentary evidence of uplift via flexural effects. Here, we deploy well-log correlation, isochores, basin...
Authors
Kurt Rudolph, Ryan J Leary, Tyson Michael Smith, Kristine L. Zellman
By
Geosciences and Environmental Change Science Center

Amphibian diversity of the western Colorado canyonlands including potential threats from nonnative bullfrogs and disease Amphibian diversity of the western Colorado canyonlands including potential threats from nonnative bullfrogs and disease

Throughout the canyons of the Colorado and Uncompahgre Plateaus, water is a limited resource for wildlife, with patchy distribution and seasonal availability. Tributary creeks within these canyons drain into mainstem rivers, providing habitat and breeding sites for native amphibians. Yet, little is known about the diversity and distribution of amphibians that live in these harsh, dynamic
Authors
Denita M Weeks, David S. Pilliod, Madeline (Nikki) Grant-Hoffman, Anjelica F Quintana Spencer, Daniel Neubaum, Paul Hampton, Michaela Ray Grossklaus, Matthew B B. Laramie, Erin L. Muths
By
Ecosystems Mission Area, Species Management Research Program, Forest and Rangeland Ecosystem Science Center, Fort Collins Science Center
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