Laboratory and field comparisons of TFM bar formulations used to treat small streams for larval sea lamprey
James A. Luoma, Justin Schueller, Nicholas A. Schloesser, Todd Johnson, Courtney A Kirkeeng
2023, Management of Biological Invasions (14) 347-362
A solid formulation of the pesticide TFM (4-nitro-3-(trifluoromethyl)-phenol) was developed in the 1980s for application in small tributaries during treatments to control invasive sea lamprey (Petromyzon marinus Linnaeus, 1758). Several initial inert ingredients were discontinued and substituted, culminating with an interim formulation that unacceptably softens and rapidly decays in warm...
Estimates of volcanic mercury emissions from Redoubt Volcano, Augustine Volcano, and Mount Spurr eruption ash
D Skye Kushner, Taryn Lopez, Kristi L. Wallace, David Damby, Christoph Kern, Cheryl Cameron
2023, Frontiers in Earth Science (11)
Ash is a potential sink of volcanically sourced atmospheric mercury (Hg), and the concentration of particle-bound Hg may provide constraints on Hg emissions during eruptions. We analyze Hg concentrations in 227 bulk ash samples from the Mount Spurr (1992), Redoubt Volcano (2009), and Augustine Volcano (2006) volcanic eruptions...
Complex life histories alter patterns of mercury exposure and accumulation in a pond-breeding amphibian
Freya Elizabeth Rowland, Erin L. Muths, Collin Eagles-Smith, Craig A. Stricker, Johanna M. Kraus, Rachel A. Harrington, David Walters
2023, Environmental Science & Technology (57) 4133-4142
Quantifying how contaminants change across life cycles of species that undergo metamorphosis is critical to assessing organismal risk, particularly for consumers. Pond-breeding amphibians can dominate aquatic animal biomass as larvae and are terrestrial prey as juveniles and adults. Thus, amphibians can be vectors of mercury exposure...
Climate change as a global amplifier of human–wildlife conflict
Briana Abrahms, Neil H. Carter, T.J. Clark-Wolf, Kaitlyn M. Gaynor, Erik Johansson, Michael (Alex) C Mcinturff, Anna Nisi, Kasim Rafiq, Leigh West
2023, Nature Climate Change (13) 224-234
Climate change and human–wildlife conflict are both pressing challenges for biodiversity conservation and human well-being in the Anthropocene. Climate change is a critical yet underappreciated amplifier of human–wildlife conflict, as it exacerbates resource scarcity, alters human and animal behaviours and distributions, and increases human–wildlife encounters. We...
Nitrate-stimulated release of naturally occurring sedimentary uranium
Jeffrey P Westrop, Pooja Yadav, PJ Nolan, Kate M. Campbell, Rajesh Singh, Sharon Bone, Alicia Chan, Anthony Hohtz, Donald Pan, Olivia Healy, John Bargar, Daniel D. Snow, Karrie Weber
2023, Environmental Science and Technology (57) 4354-4366
Groundwater uranium (U) concentrations have been measured above the U.S. EPA maximum contaminant level (30 μg/L) in many U.S. aquifers, including in areas not associated with anthropogenic contamination by milling or mining. In addition to carbonate, nitrate has been correlated to uranium...
Poleward amplification, seasonal rainfall and forest heterogeneity in the Miocene of the eastern USA
Tammo Reichgelt, Aly Baumgartner, Ran Feng, Debra A. Willard
2023, Global and Planetary Change (222)
Paleoclimate reconstructions can provide a window into the environmental conditions in Earth history when atmospheric carbon dioxide concentrations were higher than today. In the eastern USA, paleoclimate reconstructions are sparse, because terrestrial sedimentary deposits are rare. Despite this, the eastern...
Can angler-assisted broodstock collection programs improve harvest rates of hatchery-produced steelhead?
Marc A. Johnson, Michelle K. Jones, Matthew Richard Falcy, John Spangler, Ryan B. Couture, David L.G. Noakes
2023, Environmental Biology of Fishes 1079-1092
Fish that exhibit high foraging activity or bold behavior can be particularly vulnerable to angling. If these traits are heritable, selection through harvest can drive phenotypic change, eventually rendering a target population less vulnerable to angling and consequently impacting the quality of the fishery. In this...
Invasive predator diet plasticity has implications for native fish conservation and invasive species suppression
Hayley C. Glassic, Christopher S. Guy, Lusha M. Tronstad, Dominique R. Lujan, Michelle A. Briggs, Lindsey K. Albertson, Todd M. Koel
2023, PLoS ONE (18)
Diet plasticity is a common behavior exhibited by piscivores to sustain predator biomass when preferred prey biomass is reduced. Invasive piscivore diet plasticity could complicate suppression success; thus, understanding invasive predator consumption is insightful to meeting conservation targets. Here, we determine if diet plasticity exists in...
Status and trends of total nitrogen and total phosphorus concentrations, loads, and yields in streams of Mississippi, water years 2008–18
Matthew B. Hicks, Angela S. Crain, Natalie G. Segrest
2023, Scientific Investigations Report 2023-5003
To assess the status and trends of conditions of surface waters throughout Mississippi, the U.S. Geological Survey, in cooperation with the Mississippi Department of Environmental Quality (MDEQ), summarized concentrations and estimated loads, yields, trends, and spatial and temporal patterns of total nitrogen (TN) and total phosphorus (TP) at 20 stream...
The drift history of the Dharwar Craton and India from 2.37 Ga to 1.01 Ga with refinements for an initial Rodinia configuration
Scott R Miller, Joseph Meert, Anthony Francis Pivarunas, Anup K. Sinha, Manoj K. Pandit, Paul A. Mueller, George Kamenov
2023, Geoscience Frontiers (14)
Coupled paleomagnetic and geochronologic data derived from mafic dykes provide valuable records of continental movement. To reconstruct the Proterozoic paleogeographic history of Peninsular India, we report paleomagnetic directions and U-Pb zircon ages from twenty-nine mafic dykes in the Eastern Dharwar Craton near Hyderabad. Paleomagnetic analysis yielded clusters...
Random forest classification of multitemporal Landsat 8 spectral data and P\phenology metrics for land cover mapping in the Sonoran and Mojave Deserts
Madeline Melichar, Kamel Didan, Armando Barreto-Muñoz, Jennifer N. Duberstein, Eduardo Jiménez Hernández, Theresa Crimmins, Haiquan Li, Myles B. Traphagen, Kathryn A. Thomas, Pamela L. Nagler
2023, Remote Sensing (15)
Geospatial data and tools evolve as new technologies are developed and landscape change occurs over time. As a result, these data may become outdated and inadequate for supporting critical habitat-related work across the international boundary in the Sonoran and Mojave Deserts Bird Conservation Region (BCR 33) due to the...
Estimating streamflow for base flow conditions at partial-record streamgaging stations at Acadia National Park, Maine
Pamela J. Lombard
2023, Scientific Investigations Report 2022-5126
The objective of the work presented in this report is to develop equations that can be used to extend the base flow record at multiple partial-record streamgaging stations at Acadia National Park in eastern coastal Maine based on nearby continuous-record streamgaging stations. Daily mean streamflow values at U.S. Geological Survey...
A hidden cost of single species management: Habitat-relationships reveal potential negative effects of conifer removal on a non-target species
Nicholas J. Van Lanen, Adrian P. Monroe, Cameron L. Aldridge
2023, Biological Conservation (280)
Land management priorities and decisions may result in population declines for non-target wildlife species. In the western United States, large-scale removal of conifer from sagebrush ecosystems (Artemisia spp.) is occurring to recover greater sage-grouse (Centrocercus urophasianus) populations and may result in pinyon jay (Gymnorhinus cyanocephalus) habitat loss. Jay populations have experienced...
Changes in mangrove blue carbon under elevated atmospheric CO2
Xiaoxuan Gu, Peiyang Qiao, Ken Krauss, Catherine E. Lovelock, Janine B. Adams, Samantha K. Chapman, Tim C. Jennerjahn, Qiulian Lin, Luzhen Chen
2023, Ecosystem Health and Sustainability (9)
While there is consensus that blue carbon ecosystems, such as mangroves, have an important role in mitigating some aspects of global climate change, little is known about mangrove carbon cycling under elevated atmospheric CO2 concentrations (eCO2). Here, we review studies in order to identify pathways for how eCO2 might influence mangrove ecosystem carbon...
Combinatorial optimization of earthquake spatial distributions under minimum cumulative stress constraints
Eric L. Geist, Thomas E. Parsons
2023, Bulletin of the Seismological Society of America (113) 1025-1038
We determine optimal on‐fault earthquake spatial distributions using a combinatorial method that minimizes the long‐term cumulative stress resolved on the fault. An integer‐programming framework was previously developed to determine the optimal arrangement of a millennia‐scale earthquake sample that minimizes the misfit to a target slip rate determined from geodetic data....
Identifying research in support of the management and control of dreissenid mussels in the western United States
Timothy D. Counihan, Lisa DeBruyckere, Stephen M. Bollens, Stephen Phillips, Theresa Thom, Barak Shemai
2023, Management of Biological Invasions (14) 459-466
On February 9–10, 2022, the Pacific States Marine Fisheries Commission, U.S. Fish and Wildlife Service, U.S. Geological Survey, and Washington State University hosted a workshop to establish research priorities that support the implementation of action items listed in a current invasive species management plan, the Quagga and Zebra Mussel Action...
Incorporation of real-time earthquake magnitudes estimated via peak ground displacement scaling in the ShakeAlert Earthquake Early Warning system
Jessica R. Murray, Brendan W. Crowell, Mark Hunter Murray, Carl W Ulberg, Jeffrey McGuire, Mario Aranha, Mike Hagerty
2023, Bulletin of the Seismological Society of America (113) 1286-1310
The United States earthquake early warning (EEW) system, ShakeAlert®, currently employs two algorithms based on seismic data alone to characterize the earthquake source, reporting the weighted average of their magnitude estimates. Nonsaturating magnitude estimates derived in real time from Global Navigation Satellite System (GNSS) data using peak ground displacement (PGD)...
Nutrient and suspended-sediment concentrations, loads, and yields in upper Macoupin Creek, Illinois, 2017–21
Luis A. Garcia, Paul J. Terrio, Adam E. Manaster
2023, Scientific Investigations Report 2022-5131
The U.S. Geological Survey, in cooperation with the Macoupin County Soil and Water Conservation District and the American Farmland Trust, undertook a monitoring effort from 2017 to 2021 in the upper Macoupin Creek watershed. The monitoring effort was to determine and characterize nitrogen, phosphorus, and suspended-sediment concentrations, loads, and yields...
Data summary report: Unregulated contaminants monitoring project
Jane de Lambert, Alycia Overbo, Steve Robertson, Sarah M. Elliott
2023, Report
The Drinking Water Protection Section of the Minnesota Department of Health conducted reconnaissance monitoring of selected public water systems in Minnesota. Funding was obtained primarily from the Environment and Natural Resources Trust Fund. Sampling was conducted in 2019 and 2021. Laboratory analysis of samples was conducted for a variety of...
Vulnerability of estuarine systems in the contiguous United States to water quality change under future climate and land-use
Lise R. Montefiore, Natalie Nelson, Michelle Staudinger, Adam J. Terando
2023, Earth's Future (11)
Changes in climate and land-use and land-cover (LULC) are expected to influence surface water runoff and nutrient characteristics of estuarine watersheds, but the extent to which estuaries are vulnerable to altered nutrient loading under future conditions is poorly understood. The present work aims to address this gap...
Functional stability of vegetation following biocontrol of an invasive riparian shrub
Annie L. Henry, Eduardo Gonzalez-Sargas, Patrick B. Shafroth, Alexander R.B. Goetz, Anna A. Sher
2023, Biological Invasions (25) 1133-1147
Understanding plant community response to environmental change is a crucial aspect of biological conservation and restoration, but species-based approaches are limited in that they do not reveal the underlying mechanisms driving vegetation dynamics. An understanding of trait-environment relationships is particularly important in the case of invasive...
Juvenile salmonid monitoring to assess natural recolonization following removal of Condit Dam on the White Salmon River, Washington, 2016–21
Ian G. Jezorek, Jill M. Hardiman
2023, Open-File Report 2022-1117
Condit Dam was removed from river kilometer (rkm) 5.3 of the White Salmon River, Washington, in 2011 and 2012 after blocking upstream passage of anadromous fish for nearly 100 years. The dam removal opened habitat upstream and improved habitat downstream with addition of cobble and gravel to a reach depauperate...
The water cycle
Hayley Corson-Dosch, Cee Nell, Rachel E. Volentine, Althea A. Archer, Ellen Bechtel, Jennifer L. Bruce, Nicole Felts, Tara A. Gross, Dianne Lopez-Trujillo, Charlotte E. Riggs, Emily K. Read
2023, General Information Product 221
An illustrated diagram of the water cycle. This is a modern, updated version of the widely used diagram featured on the USGS Water Science School. Notably, this new water cycle diagram depicts humans and major categories of human water use as key components of the water cycle, in addition to...
National map of focus areas for potential critical mineral resources in the United States
Jane M. Hammarstrom, Douglas C. Kreiner, Connie L. Dicken, Laurel G. Woodruff
2023, Fact Sheet 2023-3007
Introduction The U.S. Geological Survey (USGS) launched the Earth Mapping Resources Initiative (Earth MRI) to modernize the surface and subsurface geologic mapping of the United States, with a focus on identifying areas that may have the potential to contain critical mineral resources. EarthMRI can inform strategies to ensure secure and reliable...
The ties that bind the sagebrush biome: Integrating genetic connectivity into range-wide conservation of greater sage-grouse
Todd B. Cross, Jason D. Tack, David E. Naugle, Michael D. Schwartz, Kevin E. Doherty, Sara J. Oyler-McCance, Ronald D. Pritchert, Brad C. Fedy
2023, Royal Society Open Science (10)
Conserving genetic connectivity is fundamental to species persistence, yet rarely is made actionable into spatial planning for imperilled species. Climate change and habitat degradation have added urgency to embrace connectivity into networks of protected areas. Our two-step process integrates a network model with a functional connectivity model, to identify population...
