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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Tracing invasion routes of Cuban treefrogs into Louisiana using mitochondrial DNA Tracing invasion routes of Cuban treefrogs into Louisiana using mitochondrial DNA
Understanding the origin and spread of invasive species is critical for predicting when and where new introductions will establish, and impact native species. However, due to the complexity of contributing factors such as multiple introductions, dispersal method, genetic admixture in founding populations, and variable propagule pressure, genetic patterns observed in invasive species may...
Authors
Erin B. Brosnan, Karen A. Paniagua Torres, Katerine R. Martin, Matthew S. Atkinson, Brad M. Glorioso, J. Hardin Waddle, Robert W. Mendyk, Anna E. Savage
Quantifying benthic flux of Mysis biomass through diel vertical migration at the ecosystem scale Quantifying benthic flux of Mysis biomass through diel vertical migration at the ecosystem scale
Mysis diluviana is a macroinvertebrate that couples benthic and pelagic habitats on a daily timescale through diel vertical migration (DVM). However, quantifying how much Mysis biomass is exchanged between benthic and pelagic habitats at an ecosystem scale is difficult because of sampling limitations and variability in Mysis DVM behavior related to light and depth. Although Mysis are...
Authors
Brian O’Malley, Georgia Wende Hoffman, Rosaura J. Chapina, Jason D. Stockwell, Collin J. Farrell
Emerging investigator series: Post-wildfire sediment geochemical characterization reveals manganese reactivity and a potential link to water quality impairment in the Gallinas Creek watershed, New Mexico Emerging investigator series: Post-wildfire sediment geochemical characterization reveals manganese reactivity and a potential link to water quality impairment in the Gallinas Creek watershed, New Mexico
Water quality post-wildfire is often impaired by increased turbidity and elevated concentrations of elements such as manganese (Mn) and iron (Fe). Precipitation events exacerbate these issues, due in part to increased erosion and transport of sediment from hillslopes to surface water. Both Mn and Fe are major redox-active elements in sediments that drive a variety of biogeochemical...
Authors
Elizabeth Jean Tomaszewski, Sheila F. Murphy, Johanna Blake, Michelle I. Hornberger, Gregory D. Clark
The Southwestern Pond Turtle (Actinemys pallida) in Baja California, Mexico: New localities and persistent threats The Southwestern Pond Turtle (Actinemys pallida) in Baja California, Mexico: New localities and persistent threats
The Southwestern Pond Turtle (Actinemys pallida), the only native freshwater turtle in Baja California, is experiencing alarming population declines, echoing global patterns observed in freshwater turtles. We conducted comprehensive field surveys across the major drainages of northwestern Baja California to delineate the species' current distribution, identify critical threats to its...
Authors
Jorge H. Valdez-Villavicencio, Anny Peralta-García, Bradford D. Hollingsworth, Patricia Galina-Tessaro, Robert D. Fisher, Jeff A. Alvarez, R. A. Lara-Resendiz
Drought intensity and duration interact to magnify losses in primary productivity Drought intensity and duration interact to magnify losses in primary productivity
As droughts become longer and more intense, impacts on terrestrial primary productivity are expected to increase progressively. Yet, some ecosystems appear to acclimate to multiyear drought, with constant or diminishing reductions in productivity as drought duration increases. We quantified the combined effects of drought duration and intensity on aboveground productivity in 74...
Authors
Timothy Ohlert, Melinda D. Smith, Scott L. Collins, Alan K. Knapp, Jeffrey S. Dukes, Osvaldo E. Sala, Kate D Wilkins, Seth M. Munson, Maggie I. Anderson, Meghan L. Avolio, Anping Chen, Meghan T. Hayden, Martin C. Holdrege, Ingrid J. Slette, Peter A. Wilfahrt, Claus Beier, Lauchlan H. Fraser, Anke Jentsch, Michael E. Loik, Yiqi Luo, Fernando T. Maestre, Richard P. Phillips, Sally A. Power, Laura Yahdjian, Qiang Yu, Angel Chen, Andrew J. Felton, Laureano A. Gherardi, Nicholas J. Lyon, Hamed Abdoli, Mehdi Abedi, Juan Alberti, Antonio I. Arroyo, Heidi Asbjornsen, Harald Auge, Seton Bachle, Michael Bahn, David C. Bartholomew, Amgaa Batbaatar, Taryn L. Bauerle, Karen H. Beard, Kai Behn, Ilka Beil, Lucio Biancari, Irmgard Blindow, Viviana Florencia Bondaruk, Elizabeth T. Borer, Edward W. Bork, Carlos Martin Bruschetti, Kerry M. Byrne, James F. Cahill, Dianela A. Calvo, Michele Carbognani, Cameron N. Carlyle, Karen Castillioni, Miguel Castillo-Garcia, Manjunatha H. Chandregowda, Scott X. Chang, Jeff Chieppa, Amber C. Churchill, Marcus Vinicius Cianciaruso, Amanda L. Cordeiro, Sara Cousins, Daniela F. Cusack, Sven Dahlke, Pedro Daleo, Lee H. Dietterich, Maren Dubbert, Nico Eisenhauer, T'ai G. Forte, Flavia A. Funk, Darcy Galiano, Aaron C. Greenville, Liebao Han, Siri Vatsø Haugum, Yann Hautier, Andy Hector, Hugh A. Henry, Daniela Hoss, Forest Isbell, Samuel E. Jordan, Yuguang Ke, Eugene F. Kelly, Sally E. Koerner, Juergen Kreyling, György Kröel-Dulay, Alicia I. Kröpfl, Angelika Kübert, Andrew Kulmatiski, Eric G. Lamb, Klaus Steenberg Larsen, Steven R. Lee, Smriti Pehim Limbu, Anja Linstädter, Shirong Liu, Grisel Longo, Alejandro Loydi, Junwei Luan, F. Curtis Lubbe, Andrey V. Malyshev, Cameron D. McIntire, Daniel B. Metcalfe, Malesela Vincent Mokoka, Akira S. Mori, Edwin Mudongo, Gregory S. Newman, Uffe N. Nielsen, Raúl Ochoa-Hueso, Rory C. O'Connor, Romà Ogaya, Gastón R. Oñatibia, Ildiko Orban, Brooke B. Osborne, Rafael Otfinowski, Meelis Pärtel, Jesús Pascual, Josep Peñuelas, Pablo L. Peri, David S. Pescador, Guadalupe Peter, Alessandro Petraglia, Catherine Picon-Cochard, Valério D. Pillar, Juan M. Piñeiro-Guerra, Laura Weber Ploughe, Robert M. Plowes, Cristy Portales-Reyes, Suzanne M. Prober, Yolanda Pueyo, Golsa Rahmati, Sasha C. Reed, Dana Aylén Rodríguez, William E. Rogers, Christiane Roscher, David W. Rowley, Ana M. Sánchez, Bráulio A. Santos, Michael P. Schellenberg, Michael Scherer-Lorenzen, Eric W. Seabloom, Ruonan Shen, Baoku Shi, Lara Souza, Andreas Stampfli, Rachel J. Standish, Marcelo Sternberg, Wei Sun, Marie Sünnemann, Michelle Tedder, Tyson J. Terry, Pål Thorvaldsen, Katja Tielbörger, Maud Tissink, Matthew A. Vadeboncoeur, Alejandro Valdecantos, Liesbeth van den Brink, Vigdis Vandvik, Liv Guri Velle, Svenja Wanke, Glenda M. Wardle, Cunzheng Wei, Christiane Werner, Georg Wiehl, Jennifer L. Williams, Amelia A. Wolf, Honghui Wu, Chong Xu, Xuechen Yang, Jenifer L. Yost, Alyssa L. Young, Ping Yue, Juan M. Zeberio, Michaela Zeiter, Haiyang Zhang, Juntao Zhu, Xiaoan Zuo
Correspondence between satellite-derived and long-term field observations of vegetation cover at Great Basin experimental treatments. Correspondence between satellite-derived and long-term field observations of vegetation cover at Great Basin experimental treatments.
Vegetation treatments are frequently utilized in Western US rangelands to reduce woody plant cover in sagebrush stands threatened by increased wildfire risk and in pinyon-juniper woodlands expanding into formerly high-value sagebrush habitats. Despite widespread use of these treatments, monitoring data to evaluate long-term vegetation responses are often insufficient or absent. Long-term...
Authors
Matthew B. Rigge, Madelon Florence Case, Scott E. Shaff, Lisa M. Ellsworth, Brett Bunde, Kory Postma
Dating a medieval tsunami with uranium-series techniques on Caribbean corals Dating a medieval tsunami with uranium-series techniques on Caribbean corals
Uranium-series dates from coral boulders constrain the timing of a medieval tsunami from the Puerto Rico Trench. Previously reported evidence for this tsunami includes hundreds of coral boulders that came to rest hundreds of meters inland on Anegada, British Virgin Islands. New U-series dates on these coral boulders provide limiting dates for the tsunami. The narrowest limits were by...
Authors
K. Halimeda Kilbourne, Jennifer Weil-Accardo, Nathalie Feuillet, Pierre Deschamps, Yuan-Yuan Xu, Chuan-Chou Shen, Hailong Sun, Robert B. Halley, Brian F. Atwater
Museum records provide unique information about the distribution of the Yellow Lampmussel Lampsilis cariosa (Unionidae) Museum records provide unique information about the distribution of the Yellow Lampmussel Lampsilis cariosa (Unionidae)
Natural history museum records may provide unique information on the distribution of species that can supplement survey data collected by resource managers. However, there can be challenges to using museum data for analyses, such as spurious geographic information, misidentifications, and incorrect labeling. Museum records have been centralized by open-source repositories with flags for...
Authors
Jillian Fedarick, Christina Amy Murphy, Sydne Record, Allison H. Roy
A model for regional-scale oak savanna management: The roles of fire, canopy, and soils for understory plant diversity A model for regional-scale oak savanna management: The roles of fire, canopy, and soils for understory plant diversity
Predicting the outcomes of land management on biodiversity is difficult without a mechanistic understanding of how management approaches, ecosystem structure, environmental conditions, and biodiversity interact. Management effects may be direct or indirect, context- or scale-dependent, or obscured by local environmental conditions. Resolving these relationships at the regional scale may...
Authors
Tyler J. Bassett, Eric Behrens, Ralph Grundel, Johanna Melisa Nifosi, Noel B. Pavlovic, Lars Brudvig
Impact of warming and suspended terrigenous sediment on the Hawaiian reef coral Montipora capitata Impact of warming and suspended terrigenous sediment on the Hawaiian reef coral Montipora capitata
Coral reefs near high human population areas suffer from sedimentation and increased turbidity due to coastal development. However, there is limited research on how key species respond to turbidity caused by terrigenous sediment and how this response may change with increased water temperatures. This study investigated the effects of ambient and elevated turbidity (+ 26 NTU) in...
Authors
Alexandra M. Good, Ashleigh Epps, Maile Coberly, Kuʻulei S Rodgers, Nancy G. Prouty, Curt D. Storlazzi, Keisha D. Bahr
S/P amplitude ratios with Distributed Acoustic Sensing and application to earthquake focal mechanisms S/P amplitude ratios with Distributed Acoustic Sensing and application to earthquake focal mechanisms
Distributed acoustic sensing (DAS), which transforms a fiber optic cable into an array of high frequency strainmeters, has the potential to help us characterize earthquakes with a dense sampling of measurements. While earthquake focal mechanisms are frequently determined using P-wave polarities and S/P amplitude ratios with inertial seismometers, the dense sampling of DAS over...
Authors
Robert J. Skoumal, James William Atterholt, Andrew J. Barbour, Jeanne L. Hardebeck
Re-oligotrophy in the Upper Mississippi River, USA, occurred in just a few years Re-oligotrophy in the Upper Mississippi River, USA, occurred in just a few years
Ecological systems can undergo large changes and regime shifts that are either catastrophic, neutral, or desirable. Rivers worldwide have recently undergone desirable regime shifts related to re-oligotrophy, which is a notable and ongoing reduction in concentrations of total suspended solids (TSS), total N, total P, or phytoplankton. For example, the Upper Mississippi River, USA, has...
Authors
Killian Davis, Wako Bungula, Danelle M. Larson