Layered intrusions in the Precambrian: Observations and perspectives
William D. Smith, Michael Jenkins, Claudia T. Augustin, Ville J. Virtanen, Zoja Vukmanovic, Brian O'Driscoll
2024, Precambrian Research (415)
Layered intrusions are plutonic bodies of cumulates that form by the crystallization of mantle-derived melts. These intrusions are characterized by igneous layering distinguishable by shifts in mineralogy, texture, or composition. Layered intrusions have been fundamental to our understanding of igneous petrology; however, it is their status as important repositories of...
Predictive understanding of stream salinization in a developed watershed using machine learning
Jared David Smith, Lauren Elizabeth Koenig, Margaux Jeanne Sleckman, Alison P. Appling, Jeffrey M Sadler, Vincent T. DePaul, Zoltan Szabo
2024, Environmental Science and Technology (58) 18833
Stream salinization is a global issue, yet few models can provide reliable salinity estimates for unmonitored locations at the time scales required for ecological exposure assessments. Machine learning approaches are presented that use spatially limited high-frequency monitoring and spatially distributed discrete samples to estimate the daily...
Feeding habits and ecological implications of the invasive Flathead Catfish in the Susquehanna River basin, Pennsylvania
Sydney Stark, Megan K. Schall, Geoffrey D. Smith, Aaron Maloy, Jason A. Coombs, Tyler Wagner, Julian Avery
2024, Transactions of the American Fisheries Society (153) 591-610
ObjectiveFlathead Catfish Pylodictis olivaris are a widespread aquatic invasive species within the United States and a recent invader in the Susquehanna River basin, Pennsylvania. Flathead Catfish are piscivores known to consume native and recreationally important fish species. In the mid-Atlantic United States, it is unknown how this invader is...
Population genetic structure and demographic history reconstruction of introduced flathead catfish (Pylodictis olivaris) in two US Mid-Atlantic rivers
Justin Waraniak, Michael S. Eackles, Jason Keagy, Geoffrey D. Smith, Megan Schall, Sydney Stark, Shannon L. White, David C. Kazyak, Tyler Wagner
2024, Journal of Fish Biology
Population genetic analysis of invasive populations can provide valuable insights into the source of introductions, pathways for expansion, and their demographic histories. Flathead catfish (Pylodictis olivaris) are a prolific invasive species with high fecundity, long-distance dispersal, and piscivorous feeding habits that can lead to declines in native fish populations. In...
Post-fire sediment yield from a central California watershed: Field measurements and validation of the WEPP model
Amy E. East, Joshua B. Logan, Helen Willemien Dow, Douglas P. Smith, Pat Iampietro, Jonathan Warrick, Thomas Lorenson, Leticia Hallas, Benjamin Kozlowicz
2024, Earth and Space Science (11)
In a warming climate, an intensifying fire regime and higher likelihood of extreme rain are expected to increase watershed sediment yield in many regions. Understanding regional variability in landscape response to fire and post-fire rainfall is essential for managing water resources and infrastructure. We measured sediment yield...
An experimental study of benthic habitat selection in yellow-phase American eels (Anguilla rostrata)
Melissa Braham, S.A. Welsh, Dustin M. Smith
2024, Environmental Biology of Fishes (107) 513-522
In a laboratory experiment, we quantified microhabitat use of small yellow-phase American eels (Anguilla rostrata, n = 130, 224–338 mm TL) conditional on five benthic substrate types common to rivers within their geographic range. During nine, 4-day trials replicated with three aquaria, American eels were given a choice to burrow into five equally...
Deep learning of estuary salinity dynamics is physically accurate at a fraction of hydrodynamic model computational cost
Galen Agnew Gorski, Salme Ellen Cook, Amelia Marie Snyder, Alison P. Appling, Theodore Paul Thompson, Jared David Smith, John C. Warner, Simon Nemer Topp
2024, Limnology and Oceanography (69) 1070-1085
Salinity dynamics in the Delaware Bay estuary are a critical water quality concern as elevated salinity can damage infrastructure and threaten drinking water supplies. Current state-of-the-art modeling approaches use hydrodynamic models, which can produce accurate results but are limited by significant computational costs. We...
New diagnostic assessment of MCMC algorithm effectiveness, efficiency, reliability, and controllability
Hossein KavianiHamedani, Julianne D. Quinn, Jared David Smith
2024, IEEE Access (12) 42385-42400
Markov Chain Monte Carlo (MCMC) is a robust statistical approach for estimating posterior distributions. However, the significant computational cost associated with MCMC presents a considerable challenge, complicating the selection of an appropriate algorithm tailored to the specific problem at hand. This study introduces a novel and comprehensive framework for...
Extreme drought impacts have been underestimated in grasslands and shrublands globally
Melinda D. Smith, Kate D Wilkins, Martin C. Holdrege, Peter A. Wilfahrt, Scott L. Collins, Alan K. Knapp, Osvaldo E. Sala, Jeffrey S. Dukes, Richard P. Phillips, Laura Yahdjian, Laureano A. Gherardi, Timothy Ohlert, Claus Beier, Lauchlan H. Fraser, Anke Jentsch, Michael E. Loik, Fernando T. Maestre, Sally A. Power, Qiang Yu, Andrew J. Felton, Seth M. Munson, Yiqi Luo, Hamed Abdoli, Mehdi Abedi, Concepción L. Alados, Juan Alberti, Moshe Alon, Hui An, Brian Anacker, Maggie Anderson, Harald Auge, Seton Bachle, Khadijeh Bahalkeh, Michael Bahn, Amgaa Batbaatar, Taryn 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 Jr., Dianela A. Calvo, Michele Carbognani, Augusto Cardoni, Cameron N. Carlyle, Miguel Castillo-Garcia, Scott X. Chang, Jeff Chieppa, Marcus V. Cianciaruso, Ofer Cohen, Amanda L. Cordeiro, Daniela F. Cusack, Sven Dahlke, Pedro Daleo, Carla M. D'Antonio, Lee H. Dietterich, Tim S. Doherty, Maren Dubbert, Anne Ebling, Nico Eisenhauer, Felícia M. Fischer, T'ai G. W. Forte, Tobias Gebauer, Beatriz Gozalo, Aaron C. Greenville, Karlo G. Guidoni-Martins, Heather J. Hannusch, Siri Vatsø Haugum, Yann Hautier, Mariet Hefting, Hugh A. L. Henry, Daniela Hoss, Johannes Ingrisch, Oscar Iribarne, Forest Isbell, Yari Johnson, Samuel E. Jordan, Eugene F. Kelly, Kaitlin Kimmel, Juergen Kreyling, György Kröel-Dulay, Alicia Kröpfl, Angelika Kübert, Andrew Kulmatiski, Eric G. Lamb, Klaus Steenberg Larsen, Julie Larson, Jason Lawson, Cintia V. Leder, Anja Linstädter, Jielin Liu, Shirong Liu, Alexandra G. Lodge, Grisel Longo, Alejandro Loydi, Junwei Luan, Frederick Curtis Lubbe, Craig Macfarlane, Kathleen Mackie-Haas, Andrey V. Malyshev, Adrián Maturano-Ruiz, Thomas Merchant, Daniel B. Metcalfe, Akira S. Mori, Edwin Mudongo, Gregory S. Newman, Uffe N. Nielsen, Dale Nimmo, Yujie Niu, Paola Nobre, Rory C. O'Connor, Romà Ogaya, Gastón R. Oñatibia, Ildikó Orbán, Brooke B. Osborne, Rafael Otfinowski, Meelis Pärtel, Josep Penuelas, Pablo L. Peri, Guadalupe Peter, Alessandro Petraglia, Catherine Picon-Cochard, Valério D. Pillar, Juan Manuel Piñeiro-Guerra, Laura W. Ploughe, Robert M. Plowes, Cristy Portales-Reyes, Suzanne M. Prober, Yolanda Pueyo, Sasha C. Reed, Euan G. Ritchie, Dana Aylén Rodríguez, William E. Rogers, Christiane Roscher, Ana M. Sánchez, Bráulio A. Santos, María Cecilia Scarfó, Eric W. Seabloom, Baoku Shu, Lara Souza, Andreas Stampfli, Rachel J. Standish, Marcelo Sternberg, Wei Sun, Marie Sünnemann, Michelle Tedder, Pål Thorvaldsen, Dashuan Tian, Katja Tielbörger, Alejandro Valdecantos, Liesbeth van den Brink, Vigdis Vandvik, Mathew R. Vankoughnett, Liv Guri Velle, Changhui Wang, Yi Wang, Glenda M. Wardle, Christiane Werner, Cunzheng Wei, Georg Wiehl, Jennifer L. Williams, Amelia A. Wolf, Michaela Zeiter, Fawei Zhang, Juntao Zhu, Ning Zong, Xiaoan Zuo
2024, Proceedings of the National Academy of Sciences (121)
Drought has well-documented societal and economic consequences. Climate change is expected to intensify drought to even more extreme levels, but because such droughts have been historically rare, their impact on ecosystem functioning is not well known. We experimentally imposed the most frequent type of intensified drought—one that is ~1 y...
The haunting raptor: Yellowstone’s golden eagles
David B. Haines, Douglas W. Smith, Todd E. Katzner, Victoria J. Dreitz
2023, Book chapter, Yellowstone's Birds- Diversity and Abundance in the World's First National Park
For many who live in North America, when picturing an eagle, the image of a large magnificent bird with a distinct white head and tail comes to mind. Rightfully, the bald eagle has garnered much attention as a national symbol of the United States (US), nearly brought to extinction from...
Integrated science strategy for assessing and monitoring water availability and migratory birds for terminal lakes across the Great Basin, United States
Rebecca J. Frus, Cameron L. Aldridge, Michael L. Casazza, Collin A. Eagles-Smith, Garth Herring, Scott A. Hynek, Daniel K. Jones, Susan K Kemp, Thomas M. Marston, Christopher M. Morris, Ramon C. Naranjo, Cee Nell, David R. O'Leary, Cory T. Overton, Bryce A. Pulver, Brian E. Reichert, Christine A. Rumsey, Rudy Schuster, Cassandra D. Smith
2023, Circular 1516
Executive SummaryIn 2022, the U.S. Geological Survey (USGS) established the Saline Lake Ecosystems Integrated Water Availability Assessment (IWAAs) to monitor and assess the hydrology of terminal lakes in the Great Basin and the migratory birds and other wildlife dependent on those habitats. Scientists from across the USGS (with specialties in...
Influence of a guide net on the presence and behavior of fish near the selective water withdrawal structure in Lake Billy Chinook, Oregon, 2022
Collin D. Smith, Tyson W. Hatton
2023, Open-File Report 2023-1090
Imaging sonar was used to assess the influence of a fish guidance net, installed at the entrances to the selective water withdrawal (SWW) intake structure, in the forebay of Round Butte Dam, Oregon, on behavior, abundance, and timing of fish during the spring of 2022. The purposes of the SWW...
On the relationship between aquatic CO2 concentration and ecosystem fluxes in some of the world’s key wetland types
Jessica L. Richardson, Ankur R. Desai, Jonathon Thom, Kim Lindgren, Hjalmar Laudon, Matthias Peichl, Mats B. Nilsson, Audrey Campeau, Jarvi Jarveoja, Peter Hawman, Deepak R. Mishra, Dontrece Smith, Brenda D'Acunha, Sara H. Knox, Darian Ng, Mark S. Johnson, Joshua M. Blackstock, Sparkle L. Malone, Steve F. Oberbauer, Matteo Detto, Kimberly Wickland, Inke Forbrich, Nathaniel B Weston, Jacqueline K.Y. Hung, Colin W. Edgar, Eugenie S. Euskirchen, Syndonia Bret-Harte, Jason Dobkowski, George Kling, Evan S. Kane, Pascal Badiou, Matthew Bogard, Gil Bohrer, Thomas O'Halloran, Jonny Ritson, Ariane Arias-Otriz, Dennis Baldocchi, Patty Oikawa, Julie Shahan, Maiyah Matsumura
2023, Wetlands (44)
To understand patterns in CO2 partial pressure (PCO2) over time in wetlands’ surface water and porewater, we examined the relationship between PCO2 and land–atmosphere flux of CO2 at the ecosystem scale at 22 Northern Hemisphere wetland sites synthesized through an open call. Sites spanned 6 major wetland types (tidal,...
A proposed methodology for conducting threats assessments within the Great Lakes Coregonines restoration framework
Andrew Edgar Honsey, David R. Smith, Charles R. Bronte, Andy Cook, D. Andrew R. Drake, Dimitry Gorsky, Timothy B. Johnson, Nicholas E. Mandrak, James Roberts, Shawn P. Sitar
2023, Report
This document serves to fulfill the Coregonine Threats Assessment Science Team’s charge of providing a written recommendation for a methodology to conduct threats assessments for Great Lakes coregonines within the Coregonine Restoration Framework (CRF). Through a series of team meetings that included presentations by experts on five candidate threats assessment...
Unifying the Neoarchean Lac des Iles Complex and implications for the petrogenesis of Pd-enriched noritic breccia pipes in ancient arcs
William D. Smith, L. Fay, M.L. Djon, Michael Jenkins, Y. Lin, Z. S. Yao, James E. Mungall
2023, Conference Paper, 14th International Platinum Symposium abstract volume
No abstract available....
Plant size, latitude, and phylogeny explain within-population variability in herbivory
The Herbivory Variability Network, Moria Robinson, Karen C Abbott, Warwick J. Allen, Janete Andrade, Diego Angulo, Diego Anjos, Daniel Anstett, Robert Bagchi, Sumanta Bagchi, Milton Barbosa, Sarah Barrett, Carina Baskett, Eyal Ben-Simchon, Kathryn Bloodworth, Judith L. Bronstein, Emilio Bruna, Yvonne Buckley, Karin Burghardt, Carlos Bustos-Segura, N. Ivalú Cacho, Eduardo Soares Calixto, Raquel Carvalho, Bastien Castagneyrol, Mariana Chiuffo, Damla Cinoğlu, Elizeth Cinto Mejia, Marina Cock, Rodrigo Cogni, Olivia Cope, Tatiana Cornelissen, Dezirea Cortez, David Crowder, Caroline Dallstream, Wesley Dáttilo, Julien Davis, Romina Dimarco, Haley Dole, Lee Dyer, Ikponmwosa Egbon, Afure Ejomah, Bret D Elderd, María-José Endara, Micky D. Eubanks, Susan Everingham, Keiko Farah, Rafael de Paiva Farias, Geraldo Fernandes, Marco Ferrante, Alain Finn, Grace Florjancic, Matthew L. Forister, Quinn Fox, Enric Frago, Filipe M. França, Abigail Getman-Pickering, Zoe Getman-Pickering, Ben Gooden, Martin M. Gossner, Keri Greig, Sofia Gripenberg, Ronny Groenteman, Patrick Grof-Tisza, Nora Haack, Lisa Hahn, Philip Hahn, Shiekh Marifatul Haq, Justus Hennecke, Sara Hermann, Liza M. Holeski, Matthew Hutchinson, Brian Inouye, Eleanor Jackson, Shinnosuke Kagiya, Michael Kalwajtys, Richard Karban, Rupesh Kariyat, Tamar Keasar, Monica Kersch-Becker, Heather Kharouba, Tania Kim, Duncan Kimuyu, Jennifer Kluse, Sally E. Koerner, Kimberly Komatsu, Sushmita Krishnan, Miika Laihonen, Lucas Lamelas-López, Michael LaScaleia, Nicolas Lecomte, Carlos Lehn, Xiaofei Li, Richard L Lindroth, Eric LoPresti, María Losada, Allison M Louthan, Victoria Luizzi, Joshua Lynn, Nicholas Lyon, Laís Maia, Renata Maia, Tosca Mannall, Bruce Martin, Tara Massad, Andrew McCall, Kelsey McGurrin, Andrew Merwin, Zarluis Mijango-Ramos, Charlotte Mills, Angela Moles, Christopher Moore, Colin Morrison, Moleseng Moshobane, Anne Muola, Ryosuke Nakadai, Kazuhide Nakajima, Samuel Novais, Charlee Ogbebor, Haruna Ohsaki, Vincent Pan, Nicholas Pardikes, Narayanaswamy Parthasarathy, Rohit Pawar, Quentin Paynter, Ian Pearse, Rachel Penczykowski, Adam Pepi, Cássio Pereira, Shyam Phartyal, Frida I. Piper, Katja Poveda, Elizabeth Pringle, Javier Puy, Teresa Quijano, Carolina Quintero, Sergio Rasmann, Christoph Rosche, Leah Rosenheim, Justin B. Runyon, Asaf Sadeh, Yuzu Sakata, Danielle Salcido, Cristian Salgado-Luarte, Bráulio Santos, Yuval Sapir, Yamila Sasal, Yasuhiro Sato, Manasi Sawant, Hayley Schroeder, Isabell Schumann, Michal Segoli, Hila Segre, Oren Shelef, Naoto Shinohara, Rachit Pratap Singh, David Smith, Mar Sobral, Gisela Stotz, Ayco Tack, Mandeep Tayal, John Tooker, Daniel Torrico-Bazoberry, Kévin Tougeron, Nora Underwood, Shunsuke Utsumi, Osariyekemwen Uyi, Jessica Vaca-Uribe, Anu Valtonen, Laura van Dijk, Vigdis Vandvik, Jesus Villellas, Lauren Waller, Marjorie G. Weber, William C. Wetzel, Susan Whitehead, Akira Yamawo, Samantha Yim, Luke Zehr, Zhiwei Zhong
2023, Science (382) 679-683
Interactions between plants and herbivores are central in most ecosystems, but their strength is highly variable. The amount of variability within a system is thought to influence most aspects of plant-herbivore biology, from ecological stability to plant defense evolution. Our understanding of what influences variability, however, is limited by sparse...
Application of the Stream Salmonid Simulator (S3) model to assess fall Chinook salmon (Oncorhynchus tshawytscha) production in the American River, California
John M. Plumb, Russell W. Perry, Tyson W. Hatton, Collin D. Smith, John M. Hannon
2023, Open-File Report 2023-1060
Executive SummaryAnadromous fish returning to the lower American River are restricted to 36 kilometers of free-flowing river between Nimbus Dam and American River’s confluence with the Sacramento River, California. Salmon in the American River provide an important freshwater recreational fishery. However, annual salmon production in the American River in recent...
Implications of water, sediment, and nutrient budgets for the restoration of a shallow, turbid lake in semiarid southeastern Oregon
Cassandra D. Smith, Tamara M. Wood
2023, Scientific Investigations Report 2023-5098
Malheur Lake is the largest lake in the endorheic Harney Basin in southeastern Oregon. Since the 1990s, Malheur Lake—which averages depths of about 1 meter—has been in a degraded, turbid state lacking submergent and emergent vegetation. The goals of this study were to identify the major sources of sediment and...
Application of a catch multiple survey analysis for Atlantic horseshoe crab Limulus polyphemus in the Delaware Bay
Kristen A. Anstead, John A. Sweka, Linda Barry, Eric M. Hallerman, David R. Smith, Natalie Ameral, Michael Schmidtke, Richard A. Wong
2023, Marine and Coastal Fisheries: Dynamics, Management, and Ecosystem Science (15)
ObjectiveThis paper applies a catch multiple survey analysis (CMSA) to Atlantic horseshoe crabs Limulus polyphemus in the Delaware Bay to generate robust population estimates for harvest management. Currently, horseshoe crabs along the U.S. Atlantic coast are harvested as bait for other fisheries and collected for their blood, which is...
Application of the technology readiness levels framework to natural resource management tools
Aaron R. Cupp, Andrea K. Fritts, Marybeth K. Brey, Christa M. Woodley, David Smith, Mark Cornish, Amy McGovern, Rob Simmonds, Neal Jackson
2023, Fisheries (48) 474-479
Technology advancements in fisheries science can provide useful tools to support natural resource management and conservation. However, new technologies may also present challenges for decision makers due to the lack of a standardized process to assess technologies for consideration within management plans. Future technology development in fishery and water resources...
Assessment of recovery potential for the American horseshoe crab (Limulus polyphemus): An application of the IUCN green status process
David R. Smith, H. Jane Brockmann, Ruth H. Carmichael, Eric M. Hallerman, W.M. Watson, Jaime Zaldivar-Rae
2023, Aquatic Conservation: Marine and Freshwater Ecosystems (33) 1175-1199
According to an International Union for Conservation of Nature (IUCN) Red List assessment (RLA), the American horseshoe crab (Limulus polyphemus), an iconic coastal species, is at risk of extirpation in some regions within its range where small and vulnerable populations occur. However, the RLA does not consider future status...
Movement and behavioral states of common carp (Cyprinus carpio) in response to a behavioral deterrent in a navigational lock
Maggie Jo Raboin, John Plumb, Matthew Sholtis, David Smith, P. Ryan Jackson, Jose Rivera, C.D. Suski, Aaron R. Cupp
2023, Movement Ecology (11)
Freshwater ecosystems are some of the most affected by biological invasions due, in part, to the introduction of invasive carp worldwide. Where carp have become established, management programs often seek to limit further range expansion into new areas by reducing their movement through interconnected rivers and waterways. Lock and dams...
Postfire hydrologic response along the central California (USA) coast: Insights for the emergency assessment of postfire debris-flow hazards
Matthew A. Thomas, Jason W. Kean, Scott W. McCoy, Donald N. Lindsay, Jaime Kostelnik, David B. Cavagnaro, Francis K. Rengers, Amy E. East, Jonathan Schwartz, Douglas P. Smith, Brian D. Collins
2023, Landslides (20) 2421-2436
The steep, tectonically active terrain along the Central California (USA) coast is well known to produce deadly and destructive debris flows. However, the extent to which fire affects debris-flow susceptibility in this region is an open question. We documented the occurrence of postfire debris floods and flows following the landfall...
A detailed view of the 2020-2023 southwestern Puerto Rico seismic sequence with deep learning
Clara Yoon, Elizabeth S. Cochran, Elizabeth A. Vanacore, Victor Huerfano, Gisela Báez-Sánchez, John D. Wilding, Jonathan D. Smith
2023, Bulletin of the Seismological Society of America (113) 2377-2415
The 2020–2023 southwestern Puerto Rico seismic sequence, still ongoing in 2023, is remarkable for its multiple‐fault rupture complexity and elevated aftershock productivity. We applied an automatic workflow to continuous data from 43 seismic stations in Puerto Rico to build an enhanced earthquake catalog with ∼180,000 events for the 3+ yr...
The unmarked R package: Twelve years of advances in occurrence and abundance modelling in ecology
Kenneth F. Kellner, Adam D. Smith, J. Andrew Royle, Marc Kéry, Jerrold L. Belant, Richard B. Chandler
2023, Methods in Ecology & Evolution (14) 1408-1415
Species distribution models (SDMs) are widely applied to understand the processes governing spatial and temporal variation in species abundance and distribution but often do not account for measurement errors such as false negatives and false positives.We describe unmarked, a package for the freely available and open-source R software that provides...
