Exposure of infants to antibiotics via cord blood, breast milk, and formula: A review on exposure level, temporal variation, and risk assessment
Jiating Feng, Bentuo Xu, Jason Tyler Magnuson, Jiayi Wang, Yajie Gao, Wenhui Qiu, Rongrong Xuan
2025, Journal of Hazardous Materials (494)
The pervasive use of antibiotics across various sectors, including agriculture, medicine, and aquaculture, has led to a notable increase in environmental antibiotic residues. This phenomenon has raised significant public concern regarding the potential health risks antibiotics may pose, particularly to vulnerable populations such as infants. However, the conceptualization of exposure...
Effects of riparian forest thinning on resident salmonid fishes in coastal northern California catchments
David A. Roon, Jason B. Dunham, Joseph R. Benjamin, Bret C. Harvey, James R Bellmore
2025, Freshwater Biology (70)
Resource managers are interested in whether thinning second-growth forests may be a viable restoration strategy for stream and riparian habitats, but may be concerned about the potential impacts that increases in stream temperature associated with riparian thinning treatments may have on cold-water salmonid fishes.We evaluated the effects of riparian...
Cave records reveal recent origin of North America’s deepest canyon
Matthew Morriss, Nate Mitchell, Brian Yanites, Lydia M. Staisch, Oliver Korup
2025, Proceedings of the National Academy of Sciences (122)
We explore how and when Hells Canyon, North America’s deepest river gorge (~2,400 m deep), formed, addressing these fundamental questions first posed by W. Lindgren [The Gold Belt of the Blue Mountains of Oregon (1901)]. Existing hypotheses about the canyon’s formation and timing of incision remain speculative due to a lack...
Diagnostic success—A quick guide to quality carcass submissions for diagnostic services
Barbara L. Bodenstein, Shelby Jo Weidenkopf
2025, Fact Sheet 2025-3024
The U.S. Geological Survey National Wildlife Health Center provides diagnostic services to determine causes of wildlife morbidity and mortality events to State, Federal, and Tribal partners. To accomplish this, we rely on the timely collection and evaluation of submitted carcasses and the epidemiologic information relayed from personnel in the field....
Infrasonic directivity of monopole, dipole, and bipole ground-surface reflected sources
Alexandra M. Iezzi, Robin S. Matoza, Emma V. Opper, Keehoon Kim
2025, Geophysical Journal International (242)
Infrasound (acoustic waves below 20 Hz) can be used to detect, locate and quantify activity in the atmosphere such as volcanic eruptions and anthropogenic explosions. Attempts to quantify volcanic eruption parameters such as exit velocity, plume height and mass flow rate using infrasound data depend strongly on assumptions of the acoustic...
Serological assessment of pathogen exposure among desert bighorn sheep in southwestern Arizona
Colton J. Padilla, James W. Cain III, Matthew E. Gompper, Paul R. Krausman, JIM Devos
2025, The Southwestern Naturalist (68) 294-300
Bighorn sheep (Ovis canadensis) are influenced by infectious diseases. Although Mycoplasma ovipneumoniae has been the main focus of bighorn sheep managers since early 2010, other pathogens may also influence bighorn sheep populations. We sampled desert bighorn sheep (Ovis canadensis mexicana) captured for a study on the Cabeza Prieta National Wildlife Refuge in...
Cultivating reciprocity and supporting Indigenous lifeways through the cultural transformation of natural resource management in North America
Jonathan J. Fisk, Richard Eugene Waggaman Berl, Jonathan W. Long, Jacobs. Lara, Lily M. van Eeden, Melinda Adams, Álvaro Fernández-Llamazares, Jazmin Murphy, Michael C. Gavin, Chris K Williams, Jonathan Salerno, Bas Verschuuren, Nathan Bennett, Rodrigue Idohou, Alexander Mawyer
2025, People and Nature (7) 1171-1184
Recent decades have seen increasing calls for implementing Indigenous Knowledges (IK) in natural resource management (NRM). However, efforts have been limited by the cultural incommensurabilities between (1) NRM institutions, which are rooted in worldviews that prioritize extraction for dominant cultures and assume dominance over nature and (2) Indigenous worldviews...
Are wildfire risk mitigators more prepared to evacuate? Insights from communities in the western United States
Grant Webster, Hannah Brenkert-Smith, Patricia A. Champ, James Meldrum, Kelly Wallace, Colleen Donovan, Carolyn Wagner, Christopher M. Barth, Josh Kuehn, Suzanne Wittenbrink, Christine Taniguchi
2025, Ecological Economics (236)
As the realized experiences of wildfires threatening communities increase, the importance of proactive evacuation preparation and wildfire risk mitigation on private property to reduce the loss of lives and property is shaping wildfire policy and programs. To date, research has focused on pre-wildfire evacuation preparation and risk mitigation independently. This...
Independent and interactive effects of disease and methylmercury on demographic rates across multiple amphibian populations
Morgan P. Kain, Blake R. Hossack, Kelly Smalling, Brian J. Halstead, Daniel A. Grear, David A. Miller, Michael J. Adams, Adam R. Backlin, William Barichivich, Collin A. Eagles-Smith, Colleen Emery, Jillian Elizabeth Fleming, Robert N. Fisher, Elizabeth Gallegos, Duoa J. Lor, Patrick M. Kleeman, Erin L. Muths, Ty Pan, Christopher Pearl, Charles W. Robinson, Caitlin Teresa Rumrill, Brian J. Tornabene, J. Hardin Waddle, Susan Walls, Evan H. Campbell Grant
2025, Scientific Reports (15)
Disease, alone or combined with other stressors such as habitat loss and contaminants, affects wildlife populations worldwide. However, interactions among stressors and how they affect demography and populations remain poorly understood. The amphibian chytrid fungus (Batrachochytrium dendrobatidis; Bd) is a sometimes-lethal pathogen linked with population declines and extirpations of amphibians...
Protected from Pterygoplichthys? Predicting thermal habitat suitability for nonnative armored catfish in the Suwannee River
Andrew Kenneth Carlson
2025, Transactions of the American Fisheries Society (154) 398-413
ObjectiveNonnative fishes can modify ecosystems and harm economies when they are introduced to new environments. Climate change is likely to assist the spread and establishment of some nonnative fishes (e.g., warmwater species), but spatiotemporal gaps in water temperature monitoring and modeling may prevent ecologists and managers from forecasting thermal habitat...
Predator-induced injury of a neonatal pronghorn cues abandonment of current reproductive investment
Marlin M. Dart, Matthew T. Turnley, Celine M.J. Rickels, Evan P. Tanner, M. Colter Chitwood, Randy W. DeYoung, W. Sue Fairbanks, Derek P. Hahn, Levi J. Heffelfinger, Robert Charles Lonsinger, H. George Wang, Michael J. Cherry
2025, Ecology (106)
Evolutionary theory predicts that parental care is favored when the fitness benefits outweigh the costs of providing care (Klug et al., 2012). In mammals, parental care is generally provided by females, who provide nourishment through lactation, protection from predators, aid in juvenile movement, or otherwise facilitate offspring survival (Balshine, 2012; Lent, 1974). However,...
A review of standardization in Mississippi’s multidecadal inland fisheries monitoring program
Caleb A. Aldridge, Michael E. Colvin
2025, Fishes (10)
Standardizing data collection, management, and analysis processes can improve the reliability and efficiency of fisheries monitoring programs, yet few studies have examined the operationalization of these tasks within agency settings. We reviewed the Mississippi Department of Wildlife, Fisheries, and Parks, Fisheries Bureau’s inland recreational fisheries monitoring program—a 30+-year effort to...
A joint Gaussian process model of geochemistry, geophysics, and temperature for groundwater TDS in the San Ardo Oil Field, California, USA
Michael J. Stephens, Will Chang, David H. Shimabukuro, Amanda Howery, Theron Sowers, Janice M. Gillespie
2025, Journal of Hydrology (661)
Decline in availability of fresh groundwater has expanded interest in brackish groundwater resources; however, the distribution of brackish groundwater is poorly understood. Water resources in sedimentary basins across the United States often overlie oil and gas development. Mapping of groundwater total dissolved solids (TDS) using data from oil...
Reconstructing late Pleistocene relative sea levels on transgressed shelves: An example from central California
Elisa Medri, Alexander Simms, Jared W. Kluesner, Samuel Y. Johnson, Stuart Nishenko, H. Gary Greene, James E. Conrad, Devin Rand
2025, Quaternary Science Reviews (361)
Although prevalent for the late Holocene, relative sea level (RSL) constraints during and immediately after the Last Glacial Maximum (LGM) are sparse. This scarcity of data is particularly pronounced along mid-latitude shelves such as central California, which lack post LGM RSL constraints older than 12 ka. In this study we...
The Long Island Sound and Watershed Metadata map application
Timothy J. Stagnitta, Gina N. Groseclose, Harper N. Wavra, Shawn C. Fisher
2025, Fact Sheet 2025-3019
The Long Island Sound and its watershed encompass an area of about 17,000 square miles and include the Connecticut, Housatonic, and Thames Rivers, which all drain to the sound. Dozens of organizations from government agencies, nonprofits, and Tribal Nations have developed projects and monitoring programs to analyze and protect the...
The 3D Elevation Program—Supporting New Mexico’s Economy
Carol Lydic
2025, Fact Sheet 2025-3014
Introduction Federal, State, Tribal, and local entities managing lands in New Mexico have concerns about wildfire risk, wildlife habitat, and flood risk. Land managers in urban areas along the Rio Grande corridor and in the State’s rural northwest and southeast also have concerns about existing and developing roads, buildings, and other...
Managing water for birds—A tool for the Malheur National Wildlife Refuge, southeastern Oregon
Cassandra D. Smith
2025, Scientific Investigations Report 2025-5024
The “Water for Birds Tool” is a spreadsheet-based tool (using Microsoft Excel) designed to help resource managers assess the spatial extent and types of bird habitats in the Malheur National Wildlife Refuge, southeastern Oregon. The tool quantifies the areas of open water, partial water, and water depths on a monthly...
Pre-restoration woody species crown and vegetation community mapping using high-resolution uncrewed aerial system imagery, Palmyra Atoll
Matthew Struckhoff
2025, Pacific Science (78) 279-293
The terrestrial management plan for Palmyra Atoll includes large-scale removal of coconut (Cocos nucifera) as part of native forest restoration and contaminant remediation that will leave soils and vegetation communities profoundly altered. To inform those efforts and provide baseline data for restoration monitoring, woody stem crowns and vegetation communities at...
If you build it, will they come? Assessing the response of tiger populations to elevated conservation efforts in lowland Nepal
Saneer Lamichhane, Abhinaya Pathak, Ajay Karki, Ambika P. Khatiwada, Chiranjibi Prasad Pokheral, James E. Hines, Dave P. Onorato, Taylor V. Stein, Madan K. Oli
2025, Global Ecology and Conservation (60)
Thirteen countries within the distributional range of tigers adopted the St. Petersburg Declaration in 2010, committing to double their tiger populations by 2022. As a signatory to this document, Nepal elevated its tiger conservation efforts soon after the declaration was adopted. Using capture-mark-recapture (CMR) analyses of tiger survey data (2013–2022),...
Remote sensing of river discharge based on critical flow theory
Carl J. Legleiter, Gordon E. Grant, Inhyeok Bae, Becky Fasth, Elowyn Yager, Daniel C. White, Laura A. Hempel, Merritt Elizabeth Harlan, Christina Leonard, Robert W. Dudley
2025, Geophysical Research Letters (52)
Critical flow theory provides a physical foundation for inferring discharge from measurements of wavelength and channel width made from images. In rivers with hydraulically steep local slopes greater than∼0.01, flow velocities are high and the Froude number F r (ratio of inertial to gravitational forces) can approach 1.0 (critical flow)...
Wild Burmese python nest site selection, thermogenesis, and brooding behaviors in the Greater Everglades Ecosystem
Andrea Faye Currylow, Lisa Marie McBride, Gretchen Erika Anderson, Jacquelyn C. Guzy, Matthew F. McCollister, Christina M. Romagosa, Kristen Hart, Amy A. Yackel Adams
2025, Ecosphere (16)
Invasive Burmese pythons (Python bivittatus) are extremely cryptic animals. Although their conservation status in their native range is Vulnerable, in the Greater Everglades Ecosystem (Florida, USA) they have become a dominant destructive force and usually are immediately removed whenever found. This poses a paradox where removals are occurring, yet the...
Mapping eelgrass (Zostera marina) cover and biomass at Izembek Lagoon, Alaska, using in-situ field data and Sentinel-2 satellite imagery
David C. Douglas, Michael D. Fleming, Vijay P. Patil, David H. Ward
2025, Open-File Report 2025-1007
The U.S. Geological Survey and the U.S. Fish and Wildlife Service have developed a three-tiered strategy for monitoring eelgrass (Zostera marina) beds at Izembek Lagoon, Alaska, that targets different spatial and temporal scales. The broadest-scale monitoring (tier-1) uses satellite imagery about every 5 years to delineate the spatial extent of...
Highly pathogenic avian influenza virus exposure and infection in free-ranging bobcats (Lynx rufus) in New York, USA
Haley M. Turner, Angela K. Fuller, Joshua P. Twining, Gavin R. Hitchener, Melissa A. Fadden, David E. Stallknecht, Rebecca L. Poulson, Deborah L. Carter, Mandy B. Watson, Krysten L. Schuler, Jennifer C. Bloodgood
2025, Journal of Wildlife Diseases (61) 515-521
Highly pathogenic H5N1 influenza A virus (HP H5N1) cases in wild mammals have been increasing globally. Carnivora has been the most affected mammal order; however, the extent of morbidity and mortality in carnivores exposed to HP H5N1 remains undefined. We assessed the presence of antibodies to H5 and N1 in...
Observation of unusual neonate-clustering behavior on maternal Cambarus chasmodactylus (New River Crayfish) after molting
Anna Marie Welsh, Zachary J. Loughman, Zackary A. Graham, Paula F. P. Henry
2025, Northeastern Naturalist (32) N12-N17
Cambarus chasmodactylus (New River Crayfish) is one of the largest crayfish species occurring in the Appalachian Mountains and occupies a niche similar to several highly imperiled crayfishes within the same region. While conducting a controlled mesocosm study assessing the impacts of contaminants on crayfish growth, development, and reproductive status, we recorded...
Integrating acoustic telemetry research into management: successes and challenges in the Laurentian Great Lakes
Natalie V. Klinard, Christopher S. Vandergoot, Andrew S. Briggs, Connor W. Elliott, Matthew D. Faust, David G. Fielder, Dimitry Gorsky, Travis Hartman, Christopher Holbrook, Daniel A. Isermann, Jonathan D. Midwood, Michael J. Siefkes, Justin VanDeHey, Dan Wilfond, Todd C. Wills, Troy Zorn, Ana P. Barbosa Martins, Arun Oakley-Cogan, Aaron T. Fisk, Jordan K. Matley
2025, Canadian Journal of Fisheries and Aquatic Sciences (80) 1-20
In the Laurentian Great Lakes, the application of acoustic telemetry to track fish movements has evolved into an important part of multijurisdictional management. Nevertheless, barriers remain in translating telemetry research into management or conservation actions. Here, we synthesize acoustic telemetry literature within the Great Lakes basin to explore factors that...
