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Assessment of channel morphology, hydraulics, and bedload transport along the Siletz River, western Oregon

Krista L. Jones, Mackenzie K. Keith, Tessa M. Harden, James S. White, Stan van de Wetering, Jason B. Dunham

2025, Scientific Investigations Report 2025-5063

Significant FindingsChinook salmon (Oncorhynchus tshawytscha) and Pacific lamprey (Entosphenus tridentatus) are native, anadromous fish species in the Siletz River Basin, western Oregon, that face many threats to their survival in freshwater and the ocean. The Confederated Tribes of Siletz Indians of Oregon seek to mitigate freshwater threats to Chinook salmon...

Cold-induced vomiting of a white-tailed deer (Odocoileus virginianus) by an invasive Burmese python (Python bivitattus) in Big Cypress National Preserve, Florida, USA

Travis R. Mangione, Grant S. McCargar, Matthew Fox Metcalf, Lisa Marie McBride, Eli X. Suastegui, Josue I. Perez, Cohen W. Eastridge, Matthew F. McCollister, Christina Romagosa, Amanda Marie Kissel, Amy A. Yackel Adams, Mark Robert Sandfoss

2025, Ecology and Evolution (15)

The Burmese python (Python bivittatus) is native to Southeast Asia and has an established invasive population throughout South Florida. As part of the effort to understand invasive python biology and potential impacts to the native ecosystem, we have been using radio-telemetry to investigate feeding rates of adult female pythons. The...

Status and trends of forest bird populations at Hakalau Forest National Wildlife Refuge, 1987–2024

Noah Hunt, Steve Kendall, Trevor Bak, Richard J. Camp

2025, Hawaii Cooperative Studies Unit Technical Report HCSU-117

Since 1985, the Hakalau Forest Unit of the Big Island National Wildlife Refuge Complex (hereafter, Hakalau) has protected the largest endemic forest bird diversity in the State of Hawaii. This includes three endangered and one threatened species and their habitats. Hakalau’s vast area (155 km2), mostly high elevation (>1500 m)...

Global tracking of marine megafauna space use reveals how to achieve conservation targets

Ana M. M. Sequeira, Jorge P. Rodriguez, Sarah A. Marley, Hannah J. Calich, Mirjam van der Mheen, Michelle VanCompernolle, Lucy M. Arrowsmith, Lauren R. Peel, Nuno Queiroz, Marisa Vedor, Ivo da Costa, Gonzalo Mucientes, Ana Couto, Nicolas E. Humphries, Sara Abalo-Morla, Francisco J. Abascal, Debra L. Abercrombie, Katya Abrantes, F. Alberto Abreu-Grobois, André S. Afonso, Pedro Afonso, Heidi Ahonen, Susanne Åkesson, Joanna Alfaro-Shigueto, Russel D. Andrews, Frederic Angelier, Marina Antonopoulou, Javier A. Arata, Gonzalo Araujo, Randall Arauz, Jose Manuel Arcos, Igor Arregui, Haritz Arrizabalaga, Marie Auger-Methe, Steffen Bach, Fred Bailleul, Robin W. Baird, George H. Balazs, Susan G. Barco, Adam Barnett, Warren Baverstock, Alastair M. M. Baylis, Annalea Beard, Juan Bécares, Eduardo J. Belda, Ian Bell, Ashley Bennison, Scott R. Benson, Diego Bernal, Michael L. Berumen, Sandra Bessudo, Natalia P.A. Bezerra, Antonin V. Blaison, Gabriela S. Blanco, Barbara A. Block, Mark Bolton, Mark E. Bond, Ramón Bonfil, Camrin D. Braun, Annette C. Broderick, Michael de L. Brooke, Annabelle M.L. Brooks, Edward J. Brooks, Ignacio M. Bruno, Jennifer M. Burns, Michael E. Byrne, Steven E. Campana, Hamish A. Campbell, Richard A. Campbell, Aaron Carlisle, Ruth H. Carmichael, Gemma Carroll, Paolo Casale, Filipe R. Ceia, Demian D. Chapman, Taylor K. Chapple, Jean-Benoit Charrassin, Andre Chiaradia, John Chisholm, Christopher R. Clarke, Thomas A. Clay, Christophe Cleguer, Elizabeth Clingham, Eric E. G. Clua, Jesse E.M. Cochran, Rochelle Constantine, Robert W. Cooper, Estelle Crochelet, Michelle Cronin, Eduardo Cuevas, Kayla P. DaCosta, Laurent Dagorn, Ryan Daly, Randall W. Davis, Nico P. J. de Bruyn, Carlos Delgado-Trejo, Thomas Dellinger, Solène Derville, Stella Diamant, Andrew DiMatteo, Kara L. Dodge, Philip D. Doherty, Michael C. Double, Alistair D. M. Dove, Thomas K Doyle, Michael J. Drew, Lindsay L. Dubbs, Clinton A.J. Duffy, Peter H. Dutton, Ewan W.J. Edwards, Luke D. Einoder, Mark V. Erdmann, Eduardo Espinoza, Nicole Esteban, Ana Isabel Fagundes, Chris Feare, Steven H. Ferguson, Luciana C. Ferreira, Francesco Ferretti, John Filmalter, Brittany Finucci, G. Chris Fischer, Richard J. Fitzpatrick, Jorge Fontes, Angela Formia, Sabrina Fossette, Malcolm P. Francis, Ari S. Friedlaender, Miguel Furtado, Austin J. Gallagher, Claire Garrigue, Enrico Gennari, H. Grant Gilchrist, Brendan J. Godley, Simon D. Goldsworthy, Matthew Gollock, Victoria González Carman, W. James Grecian, Jonathan R. Green, Christophe Guinet, Johan Gustafson, Tristan L. Guttridge, Hector M. Guzman, Derek Hamer, Keith C. Hamer, Neil Hammerschlag, Mike O. Hammill, Luke Harman, Emma Harrison, Catherine E. Hart, A. Errol Harris, Gordon Hastie, Fabio H.V. Hazin, Matt Heard, Alex R. Hearn, Mads Peter Heide-Jorgensen, Leeann Henry, Robert William Henry III, Vicente Guzman Hernandez, Arturo E. Herrera, Mark A. Hindell, John C. Holdsworth, Bonnie J. Holmes, Lucy A. Howey, Edgar Mauricio Hoyos Padilla, Luis A. Huckstadt, Robert E. Hueter, Paulo H. Lara, Nigel E. Hussey, Charlie Huveneers, Kevin Hyland, Dylan T. Irion, David M.P. Jacoby, Audrey Jaeger, Mohammed Y. Jaidah, Mark Jessopp, Oliver J.D. Jewell, Ryan Johnson, Carl G. Jones, Ian D. Jonsen, Lance K.B. Jordan, Salvador J. Jorgensen, Akiko Kato, James T. Ketchum, Alexander S. Kitaysky, A. Peter Klimley, Alison A. Kock, Pieter Koen, Felipe Ladino Archila, Fernanda O. Lana, Jude V. Lane, Matthieu Le Corre, Mary-Anne Lea, Eliza H.K. Leat, Olivia A. Lee, J. Jacob Levenson, César P. Ley-Quiñonez, Fiona Llewellyn, Gwen Lockhart, Gustave G. Lopez, Milagros Lopez Mendilaharsu, Andrew D. Lowther, Paolo Luschi, Molly E. Lutcavage, Warrick S. Lyon, Bruno C.L. Macena, Alice I. Mackay, Christine A. Madden Hof, Mark L. Mallory, Jeffrey C. Mangel, Michael Manning, Kate L. Mansfield, David March, Adolfo Marco, Marianne Marcoux, David Acuña-Marrero, Helene Marsh, Heather Marshall, Bruce R Mate, Jaime D. McAllister, Rebecca L. McGuire, Jane McKenzie, Lachlan McLeay, Clive R. McMahon, Michelle Modest, John T Morris, Mônica M.C. Muelbert, Naveen Namboothri, Wallace J. Nichols, Malcolm A. C. Nicoll, Bradley M. Norman, Ken Norris, Erik Olsen, Steffen Oppel, Sabine Orlowski, Anthony M. Pagano, Brad Page, Vitor H. Paiva, Daniel M. Palacios, Yannis P. Papastamatiou, Denise M. Parker, Charitha B Pattiaratchi, Hoyt Peckham, Cesar R. Peñaherrera-Palma, Julian G. Pepperell, Richard A. Phillips, Simon J. Pierce, Stephen K. Pikesley, Nicolas J. Pilcher, Patrick Pinet, Matt Pinkerton, Enrico Pirotta, Virginie Plot, Abby Powell, Kevin D. Powers, Clare E.M. Prebble, Tiana J. Preston, Rui Prieto, Laura Prosdocimi, John L. Quinn, Lina Maria Quintero, Thierry Raclot, Iván Ramirez, Dení Ramírez-Macías, Jaime A. Ramos, Andrew J. Read, Rolf Ream, Alan F. Rees, Richard D. Reina, Ryan R. Reisinger, Ohiana Revuelta, Samantha D. Reynolds, Anthony J. Richardson, Leena Riekkola, Federico G. Riet-Sapriza, David P. Robinson, Patrick W. Robinson, Carlos F.D. Rocha, Tracey L. Rogers, Christoph A. Rohner, Yan Ropert-Coudert, Monica Ross, David R. L. Rowat, Kevin Ruhomaun, Paul M. Sagar, Melita A. Samoilys, Sonia Sanchez, Alejandra G. Sandoval-Lugo, Erik A.P. dos Santos, António M. Santos, Kylie L. Scales, Gail Schofield, Jayson M. Semmens, Edy Setyawan, Scott A. Shaffer, Kartik Shanker, Marcus Sheaves, George L. Shillinger, Mahmood S. Shivji, Abraham Sianipar, Janet R.D. Silk, Mónica A. Silva, Jolene Sim, Samantha J. Simpson, Gregory B. Skomal, David J. Slip, Malcolm J. Smale, German A. Soler, Marc Soria, Lara L. Sousa, Emily J. Southall, Jean-Claude Stahl, Kilian M. Stehfest, Jeremy T. Sterling, John D. Stevens, Guy M.W. Stevens, Joshua D. Stewart, Adhith Swaminathan, Akinori Takahashi, Vikash Tatayah, Jean-Baptiste Thiebot, Paul M. Thompson, Simon R. Thorrold, Michele Thums, Jesus Tomas, Leigh G. Torres, Alison Towner, Philip N. Trathan, John P. Tyminski, Ricardo Sagarminaga van Buiten, Robert P. van Dam, Frederic Vandeperre, Nuria Varo-Cruz, Jeremy J. Vaudo, Michel Vely, Stella Villegas-Amtmann, Cecile Vincent, David Waayers, Sarah Wanless, Yuuki Y. Watanabe, Cortney A. Watt, Sam B. Weber, Nicola Weber, Michael J. Weise, Linda Welch, Randall S. Wells, Jonathan M. Werry, Bradley M. Wetherbee, Timothy D. White, Scott D. Whiting, Andrea U. Whiting, Annelise Wiebkin, Barbara Wienecke, Natalie E. Wildermann, David N. Wiley, Alexis Will, Sean Williams, Marie Windstein, Saskia Wischnewski, Matthew J. Witt, Freya C. Womersley, Andrew G. Wood, Lucy J. Wright, José C. Xavier, Takashi Yamamoto, David J. Yurkowski, Patricia M. Zarate, Alan Zavala-Norzagaray, Alexandre N. Zerbini, Daniel P. Costa, Robert Harcourt, Mark G. Meekan, Graeme C. Hays, David W. Sims, Carlos M. Duarte, Víctor M. Eguíluz

2025, Science (388) 1086-1097

The recent Kunming-Montreal Global Biodiversity Framework (GBF) sets ambitious goals but no clear pathway for how zero loss of important biodiversity areas and halting human-induced extinction of threatened species will be achieved. We assembled a multi-taxa tracking dataset (11 million geopositions from 15,845 tracked individuals across 121 species) to provide...

Effect of copper mill waste material on benthic invertebrates and zooplankton diversity and abundance

James H. Larson, Michael R. Lowe, Sean Bailey, Amanda H. Bell, Danielle M. Cleveland

2025, PLoS ONE (20)

Copper (Cu) stamp mill mining in North America from the early 1900s produced a pulverized ore by-product now known as stamp sands (SS). In a mining operation near the city of Gay (Michigan, USA), SS were originally deposited near a Lake Superior beach, but erosion and wave action have moved...

Short-term ecological effects of solar energy development depend on plant community, soil type, and disturbance intensity

Claire C Karban, Seth M. Munson, Lara A. Kobelt, Jeffrey E. Lovich

2025, Journal of Applied Ecology (62) 945-957

Solar energy is rapidly growing to decarbonize the electrical grid. Maintaining ecosystem function with solar energy generation can be promoted through construction methods that minimize negative impacts on soils and vegetation. However, the disturbance created by less-impactful construction methods at utility-scale solar energy (USSE) facilities and the ecosystem responses...

An early detection rapid response case study of the Black and White Tegu (Salvator merianae) and implications for a broader framework

Mark Robert Sandfoss, Amanda Marie Kissel, Lisa Marie McBride, Matthew Fox Metcalf, Sarah Rae Sherburne, Travis R. Mangione, Matthew McCollister, Amy A. Yackel Adams

2025, Management of Biological Invasions (16) 581-591

Documentation of successful early detection rapid response (EDRR) efforts is lacking from the scientific literature but is needed to inform invasive species response protocols. The Black and White tegu (Salvator merianae) has become established in several Florida counties and its spread is of significant conservation concern. It is of high...

The ichnology of White Sands (New Mexico): Linear traces and human footprints, evidence of transport technology?

Matthew R. Bennett, Thomas M. Urban, David Bustos, Sally C. Reynolds, Edward A. Jolie, Hannah C. Strehlau, Daniel Odess, Kathleen B. Springer, Jeffrey S. Pigati

2025, Quaternary Science Advances (17)

A travois is crafted from one or more wooden poles and is one of the simplest pre-historic vehicles. Although these devices likely played vital roles in the lives of ancient peoples, they have low preservation potential in the archaeological record. Here we report linear features associated with human footprints, some...

Mountain sentinels in a changing world: Review and conservation implications of weather and climate effects on mountain goats (Oreamnos americanus)

Kevin White, Becky Cadsand, Steeve D. Cote, Tabitha A. Graves, Sandra Hamel, Richard B. Harris, Forest Hayes, Eran Hood, Kevin Hurley, Tyler Jessen, Bill Jex, Erich Peitzsch, Wesley Sarmento, Helen M. Schwantje, Joel Berger

2025, Global Ecology and Conservation (57)

Climate change is occurring at an accelerated rate in high-elevation alpine and mountain ecosystems. Cold-adapted, mountain species are at risk due to forecasted change and knowledge is needed to respond to current and future conservation challenges. Mountain goats (Oreamnos americanus) are an iconic species of North American mountain cultures and...

Food for fish: Challenges and opportunities for quantifying foodscapes in river networks

Valerie Ouellet, Aimee H. Fullerton, Matthew J. Kaylor, Sean M. Naman, Ryan Bellmore, Jordan Rosenfeld, Gabriel Rossi, Seth White, Suzanne Rhoades, David Beauchamp, Martin C. Liermann, Peter Kiffney, Beth Sanderson

2025, WIREs Water (12)

Riverine fishes face many challenges including habitat degradation and climate change, which alter the productivity of the riverscapes in which fish live, reproduce, and feed. Understanding the watershed portfolio of foraging and growth opportunities that sustain productive and resilient fish populations is important for prioritizing conservation and restoration. However, the...

Distribution, abundance, breeding activities, and habitat use of the Least Bell's Vireo at Marine Corps Base Camp Pendleton, California—2023 annual report

Suellen Lynn, Barbara E. Kus

2024, Open-File Report 2024-1065

Executive SummaryThe purpose of this report is to provide the Marine Corps with an annual summary of abundance, breeding activity, demography, and habitat use of endangered Least Bell’s Vireos (Vireo bellii pusillus) at Marine Corps Base Camp Pendleton, California (MCBCP or Base). Surveys for the Least Bell's Vireo were completed...

Skill assessment of a total water level and coastal change forecast during the landfall of a hurricane

Justin J. Birchler, Margaret L. Palmsten, Kara S. Doran, Sharifa Karwandyar, Joshua Michael Pardun, Elora M. Oades, Ryan P. Mulligan, Eli Sawyer Whitehead-Zimmers

2024, Coastal Engineering (193)

The Total Water Level and Coastal Change Forecast (TWL&CC Forecast) provides coastal communities with 6-day notice of potential elevated water levels and coastal change (i.e., dune erosion, overwash, or inundation) on sandy beaches that threatens safety, infrastructure, or resources. This continuously operating model provides hourly information for select regions along...

The geochronology of White Sands Locality 2 is resolved

Jeffrey S. Pigati, Kathleen B. Springer, Harrison J. Gray, Matthew R. Bennett, David Bustos

2024, PaleoAmerica (10) 28-44

Rhode et al. (2024) allege that there are many “unresolved issues” with the geochronology of White Sands National Park (WHSA) Locality 2. They suggest there are substantial age offsets due to hard-water effects in the aquatic plants that were dated and that radiocarbon ages of pollen may be anomalously old...

Experimental assessment of egg mat gear retention and collection efficacy

Madeline Grace Tomczak, Robin L. DeBruyne, Brian Schmidt, Dustin Bowser, Jason L. Fischer, Gregory W. Kennedy, Nicole R. King, Christine M. Mayer, Edward F. Roseman

2024, Journal of Fish and Wildlife Management (15) 289-299

Assessment of egg deposition is widely used to provide an index of spawning efforts for lithophilic spawning fishes. However, little is known about the collection efficacy and bias of fish egg collection methods. We conducted a two-phased study consisting of a simulated-river...

Insight into sources of benzene, TCE, and PFOA/PFAS in groundwater at Naval Air Station Whiting Field, Florida, through numerical particle-tracking simulations

Eric Swain, James E. Landmeyer, Michael A. Singletary , Shannon E. Provenzano

2024, Hydrology (11)

Past waste-disposal activities at Naval Air Station Whiting Field (NASWF) have led to elevated concentrations of contaminants in the underlying sand and gravel aquifer. Contaminants include two of the most commonly detected chemicals in groundwater in many countries (benzene and trichloroethylene (TCE)) and the “forever chemicals” per- and poly-fluoroalkyl...

FishPass baseline assessment of fish community assemblage and migratory patterns in in the Boardman River, Traverse City, Michigan, USA

Reid G. Swanson, Daniel P. Zielinski, Theodore Castro-Santos, Andrew M. Muir

2023, Report

This report on baseline assessment of fish community assemblage and migratory patterns of fishes in the lower Boardman River (LBR; Traverse City, MI (USA)) is one of four assessment projects conceived circa 2017 after the Boardman (Ottaway) River was selected by the Great Lakes Fishery Commission (GLFC) and collaborating agencies...

Space-based Earth observation and ecosystem extent: Exploring opportunities

Gary Geller, Shaun Levick, Sandra Luque, Roger Sayre, Andreas Brink, Nicholas Coops, Sylvie Durrieu, Judith Ewald, Hannes Feilhauer, Jean-Baptiste Feret, Simon Ferrier, Miroslav Honzak, Dino Lenco, Amanda Koltz, Nikhil Lele, Shea Lombardo, Miguel Mahecha, Carsten Meyer, Marc Paganini, Cassidy Rankine, Duccio Rocchini, Amy Rosenthal, Maria J. Santos, Lucie Viciano

2023, Report

The purpose of this white paper is to explore and communicate potential new opportunities for using space-based Earth observation (EO) for monitoring biodiversity with a focus on ecosystem extent (the distribution of ecosystems on the Earth). It is part of a new activity of the Committee on Earth Observation Satellites...

Evidence for infection influencing survival of the freshwater copepod Salmincola californiensis, a parasite of Pacific salmon and trout

Christina Amy Murphy, William Gerth, Travis Neal, Kelsi Antonelli, Justin L. Sanders, Ivan Arismendi

2023, Journal of Aquatic Animal Health (35) 280-285

ObjectiveWe explore apparent infection of Salmincola californiensis arising during investigations involving this lernaeopodid copepod parasitic on Pacific salmon and trout Oncorhynchus spp.MethodsWe noted occasional unusual coloration of adult female copepods collected from the wild. These females were bright blue and pink in contrast to the cream white coloration...

Independent age estimates resolve the controversy of ancient human footprints at White Sands

Jeffrey S. Pigati, Kathleen B. Springer, Jeffrey S. Honke, David Wahl, Marie Rhondelle Champagne, Susan R.H. Zimmerman, Harrison J. Gray, Vincent L. Santucci, Daniel Odess, David Bustos, Matthew R. Bennett

2023, Science (382) 73-75

Human footprints at White Sands National Park, New Mexico, USA, reportedly date to between ~23,000 and 21,000 years ago according to radiocarbon dating of seeds from the aquatic plant Ruppia cirrhosa. These ages remain controversial because of potential old carbon reservoir effects that could compromise their accuracy. We present new...

Forest bird populations at the Pu‘u Wa‘a Wa‘a Forest Bird Sanctuary and Pu‘u Wa‘a Wa‘a Forest Reserve, Hawai‘i

Steve Kendall, Richard J. Camp, Alex X Wang, Lainie Berry, Lindsey Nietmann

2023, Report

Endemic Hawaiian forest birds have exhibited dramatic population declines since human colonization of Hawai‘i. The Pu‘u Wa‘awa‘a Forest Bird Sanctuary and adjacent Pu‘u Wa‘awa‘a Forest Reserve on Hawai‘i Island were established in 2002 to conserve endemic forest birds and their habitats. Surveys have been conducted in this area to monitor...

Scanning electron microscope images of sand and silt from the early MIS4–MIS3 Roxana Silt, Phillips Bayou, Arkansas

Helaine W. Markewich, Douglas A. Wysocki, G. Norman White, Joe B. Dixon

2023, Scientific Investigations Report 2023-5062

The age and source of the late Pleistocene Roxana Silt in the Mississippi Valley have been studied since the middle 1800s. Published age and paleoenvironmental data for the Roxana Silt in the Mississippi Valley show that deposition occurred from late marine isotope stage 5 (MIS5) through late marine isotope stage...

Regional streamflow drought forecasting in the Colorado River Basin using Deep Neural Network models

Scott Douglas Hamshaw, Phillip J. Goodling, Konrad Hafen, John C. Hammond, Ryan R. McShane, Roy Sando, Apoorva Ramesh Shastry, Caelan E. Simeone, David Watkins, Elaheh White, Michael Wieczorek

2023, Conference Paper, Proceedings of SEDHYD 2023

Process-based, large-scale (e.g., conterminous United States [CONUS]) hydrologic models have struggled to achieve reliable streamflow drought performance in arid regions and for low-flow periods. Deep learning has recently seen broad implementation in streamflow prediction and forecasting research projects throughout the world with performance often equaling or exceeding that of process-based...

Diet composition and overlap for adult walleye, lake whitefish, and yellow perch in Green Bay, Lake Michigan

Lucas D. Koeniga, Daniel J. Dembkowski, Scott P. Hansen, Iyob Tsehaye, Tammie J. Paoli, Troy G. Zorn, Daniel A. Isermann

2022, Journal of Great Lakes Research (48) 1681-1695

Interspecific interactions among walleye Sander vitreus, lake whitefish Coregonus clupeaformis, and yellow perch Perca flavescens in Green Bay could influence the population status of each species, but potential trophic interactions are poorly understood. Our objectives were to determine if diet assemblages for each species and diet overlap among species varied...

As the goose flies: Migration routes and timing influence patterns of genetic diversity in a circumpolar migratory herbivore

Robert E. Wilson, Sarah A. Sonsthagen, Jeffrey M. DaCost, Michael D. Sorenson, Anthony D. Fox, Melanie Weaver, Dan Skalos, Alexander V. Kondratyev, Kim T. Scribner, Alyn Walsh, Craig R. Ely, Sandra L. Talbot

2022, Diversity (14)

Migration schedules and the timing of other annual events (e.g., pair formation and molt) can affect the distribution of genetic diversity as much as where these events occur. The greater white-fronted goose (Anser albifrons) is a circumpolar goose species, exhibiting temporal and spatial variation of events among populations during...

Discovery and potential ramifications of reduced iron-bearing nanoparticles — Magnetite, wüstite, and zero-valent iron — In wildland–urban interface fire ashes

Mohammed Baalousha, Morgane Desmau, Sheryl A. Singerling, Jackson P. Webster, Sandrine Matiasek, Michelle A. Stern, Charles N. Alpers

2022, Environmental Science Nano (9) 4136-4149

The increase in fires at the wildland–urban interface has raised concerns about the potential environmental impact of ash remaining after burning. Here, we examined the concentrations and speciation of iron-bearing nanoparticles in wildland–urban interface ash. Total iron concentrations in ash varied between 4 and 66 mg g−1. Synchrotron X-ray absorption...