Strategic monitoring to minimize misclassification errors from conservation status assessments
Kylee Denise Dunham, Patrick K. Devers, Abigail Jean Lawson, James E. Lyons, Conor P. McGowan, Andy Royle
2023, Biological Conservation (286)
Classifying species into risk categories is a ubiquitous process in conservation decision-making affecting regulatory procedures, conservation actions, and guiding resource allocation at global, national, and regional scales. However, monitoring programs often do not provide data required for accurate species classification...
Canada Basin tectono-sedimentary element, Arctic Ocean
Deborah Hutchinson, David W. Houseknecht, David Mosher
2023, Geological Society of London Monograph, Arctic Sedimentary Basins (57)
The Canada Basin (CB) formed during a short period of seafloor spreading inferred to be Early Cretaceous in age. Brookian strata of inferred Early Cretaceous–Holocene age comprise the sedimentary fill of the Canada Basin Tectono-Sedimentary Element (CB TSE). Although the CB has remained tectonically quiet since seafloor...
Intramolecular carbon isotope geochemistry of butane isomers from laboratory maturation and Monte-Carlo simulations of kerogen types I, II, and III
Xiaoqiang Li, Hao Xie, Justin E. Birdwell, Gregory McGovern, Juske Horita
2023, Geochimica et Cosmochimica Acta (360) 57-67
Position-specific (PS) carbon isotope compositions of light hydrocarbons such as propane and butane isomers (n-butane and i-butane) can provide a wealth of information on the history of natural gases in the subsurface reservoirs and other environments. For PS carbon isotope analysis...
Spectral characterization of dissolved organic matter in groundwater to assess mixing with oil-field water near selected oil fields, southern California
Angela Hansen, Tamara E. C. Kraus, Matthew K. Landon, Peter B. McMahon
2023, Science of the Total Environment (905)
Samples of oil-field water (oil wells, injectate, disposal ponds) and groundwater near selected oil and gas fields in southern California were analyzed for dissolved organic carbon (DOC) concentration and by optical spectroscopic techniques (i.e., absorbance and fluorescence) to assess whether these measurements can be used to distinguish between oil-field water...
Social and biological perspectives to investigate and address illegal shooting of raptors
Eve C. Thomason, Kenneth Wallen, Todd E. Katzner
2023, Global Ecology and Conservation (46)
Humans have shot raptors for centuries. However, in many countries these actions have been illegal since the mid-twentieth century. Despite this history, there is not a comprehensive understanding of the characteristics of this activity, its frequency, and why it occurs. We...
Groundwater quality in abandoned underground coal mine aquifers across West Virginia
Mitchell A. McAdoo, Gregory T. Connock, Mark D. Kozar
2023, Scientific Investigations Report 2023-5091
Abandoned underground coal mine aquifers cover a large part of West Virginia and could supply substantial quantities of water for agricultural, industrial, residential, and public use. Several Federal, State, and academic institutions have studied the availability and quality of water stored in abandoned underground coal mine aquifers for a variety...
Early Pliocene (Zanclean) stratigraphic framework for PRISM5/PlioMIP3 time slices
Harry J. Dowsett, Marci M. Robinson, Kevin M. Foley, Steve Hunter, Aisling M Dolan, Julia C. Tindall
2023, Stratigraphy (20) 225-231
Global reconstructions of Pliocene climate provide important insights into how the climate system operates under elevated temperatures and atmospheric CO2 levels. These reconstructions have been used extensively in paleoclimate modeling experiments for comparison to simulated conditions, and as boundary conditions.Most previous work focused on the Late Pliocene interval known as...
Avian influenza in wild birds
Andrew M. Ramey
David A. Jessup, Robin W. Radcliffe, editor(s)
2023, Book chapter, Wildlife disease and health in conservation
Influenza A viruses (IAVs)maintained among wild waterfowl, gulls, shorebirds, and some seabirds, and typically do not cause disease. Some avian-origin IAVs that have previously spilled over into domestic poultry have developed a highly pathogenic phenotype and have become important pathogens affecting both wild birds and poultry. These avian-origin...
What evidence exists on the ecological and physical effects of built structures in shallow, tropical coral reefs? A systematic map protocol
Avery Paxton, Tom Swannack, Candice Piercy, Safra Altman, Leanne Poussard, Brandon Puckett, Curt Storlazzi, T. Shay Viehman
2023, Environmental Evidence (12)
BackgroundShallow, tropical coral reefs face compounding threats from habitat degradation due to coastal development and pollution, impacts from storms and sea-level rise, and pulse disturbances like blast fishing, mining, dredging, and ship groundings that reduce coral reefs’ height and variability. One approach toward restoring coral reef structure from...
Avian malaria and the extinction of Hawaiian forest birds
Carter T. Atkinson
David A. Jessup, Robin W. Radcliffe, editor(s)
2023, Book chapter, Wildlife disease and health in conservation
No abstract available....
Global projections of storm surges using high-resolution CMIP6 climate models
Sanne Muis, Jeroen C. J. H. Aerts, José A. Á. Antolínez, Job C. Dullaart, Trang Minh Duong, Li H. Erikson, Rein J. Haarsma, Maialen Irazoqui Apecechea, Matthias Mengel, Dewi Le Bars, Andrea C. O'Neill, Roshanka Ranasinghe, Malcolm J. Roberts, Martin Verlaan, Philip J. Ward, Kun Yan
2023, Earth's Future (11)
In the coming decades, coastal flooding will become more frequent due to sea-level rise and potential changes in storms. To produce global storm surge projections from 1950 to 2050, we force the Global Tide and Surge Model with a ∼25-km resolution climate model ensemble from the Coupled Model Intercomparison Project...
Characteristics of a sea louse (Caligus clemensi) epizootic in wild Pacific herring (Clupea pallasii)
David James Páez, Jacob L. Gregg, Ashley MacKenzie, Sophie Amanda Hall, Paul Hershberger
2023, Canadian Journal of Fisheries and Aquatic Sciences (80) 1847-1856
We characterized a natural sea louse epizootic of Caligus clemensi and the effects of parasitism on Pacific herring Clupea pallasii in Port Angeles Harbor, WA, USA. Infestation prevalence on newly metamorphosed age 0 Pacific herring reached 100% prevalence by mid-August. At this time, the mean louse intensity was 4.6 lice/fish, and a positive correlation...
Leaf nitrogen affects photosynthesis and water use efficiency similarly in nitrogen-fixing and non-fixing trees
Thomas A. Bytnerowicz, Jennifer L. Funk, Duncan N. L. Menge, Steven Perakis, Amelia A. Wolf
2023, Journal of Ecology (111) 2457-2471
Nitrogen (N)-fixing trees are thought to break a basic rule of leaf economics: higher leaf N concentrations do not translate into higher rates of carbon assimilation. Understanding how leaf N affects photosynthesis and water use efficiency (WUE) in this ecologically important group is critical.We grew six N-fixing and four...
Karst groundwater vulnerability determined by modeled age and residence time tracers
MaryLynn Musgrove, Bryant Jurgens, Stephen P. Opsahl
2023, Geophysical Research Letters (50)
Karst aquifers are a vital groundwater resource globally, but features such as rapid recharge and conduit flow make them highly vulnerable to land-surface contamination. We apply environmental age tracers to the south-central Texas Edwards aquifer, a karst resource in a rapidly urbanizing and drought-prone region, to assess vulnerability to land-surface...
Coral reef ecosystem health
Thierry M. Work
David A. Jessup, Robin W. Radcliffe, editor(s)
2023, Book chapter, Wildlife disease and health in conservation
No abstract available....
Inventory of glaciers and perennial snowfields of the conterminous USA
Andrew Fountain, Bryce Glenn, Christopher J. McNeil
2023, Earth System Science Data (15) 4077-4104
This report summarizes an updated inventory of glaciers and perennial snowfields of the conterminous United States. The inventory is based on interpretation of mostly aerial imagery provided by the National Agricultural I magery Program, US Department of Agriculture, with some satellite imagery in places where aerial imagery was not suitable....
Toward probabilistic post-fire debris-flow hazard decision support
Nina S. Oakley, Tao Liu, Luke McGuire, Matthew Simpson, Benjamin J. Hatchett, Alexander Tardy, Jason W. Kean, Christopher Castellano, Jayme L. Laber, Daniel Steinhoff
2023, Bulletin of the American Meteorological Society (104) E1587-E1605
Post-wildfire debris flows (PFDF) threaten life and property in western North America. They are triggered by short-duration, high-intensity rainfall. Following a wildfire, rainfall thresholds are developed that, if exceeded, indicate high likelihood of a PFDF. Existing weather forecast products allow forecasters to identify favorable atmospheric conditions for rainfall intensities that...
Evaluation of replicate sampling using hierarchical spatial modeling of population surveys accounting for imperfect detectability
Richard J. Camp, Chauncey K. Asing, Paul C. Banko, Lainie Berry, Kevin W. Brinck, Chris Farmer, Ayesha Genz
2023, Wildlife Society Bulletin (47)
Effective species management and conservation benefit from knowledge of species distribution and status. Surveys to obtain that information often involve replicate sampling, which increases survey effort and costs. We simultaneously modeled species distribution, abundance and spatial correlation, and compared the uncertainty in replicate abundance estimates of the endangered palila (Loxioides...
Discharge estimation using video recordings from small unoccupied aircraft systems
Jennifer G Duan, Frank Engel, Ammon F Cadogan
2023, Journal of Hydraulic Engineering (149)
Measurement of river discharge during flooding events has especially been a challenging and dangerous task in the southwestern US, where flows can be flashy, laden with sediment, and at high velocity. Small unoccupied aircraft systems (sUAS) can be deployed to access unsafe field sites and capture imagery for measuring surface...
Satellite-derived plant cover maps vary in performance depending on version and product
Cara Applestein, Matthew Germino
2023, Ecological Indicators (155)
Understanding the accuracy and appropriate application scale of satellite-derived maps of vegetation cover is essential for effective management of the vast, remote rangelands of the world. However, the underlying models are updated frequently and may combine with rapidly changing vegetation conditions to cause variations in accuracy and precision over time. We sought...
Stocking fish in inland waters: Opportunities and risks for sustainable food systems
Ian G. Cowx, Simon Funge-Smith, Abigail Lynch
2023, Fisheries Management and Ecology (30) 555-563
Stocking is one of the foremost tools in the inland fisheries management toolbox, but it comes with both opportunities and risks. Stocking is often used as compensation for depleted wild populations, particularly where recruitment processes have been disrupted, but it can introduce disease, disrupt community...
Geology and undiscovered resource assessment of the potash-bearing, Middle Devonian (Givetian), Prairie Evaporite, Elk Point Basin, Canada and United States
Mark D. Cocker, Greta J. Orris, Pamela Dunlap, Chao Yang, James D. Bliss
2023, Scientific Investigations Report 2010-5090-CC
The U.S. Geological Survey (USGS) assessed undiscovered potash resources in the Elk Point Basin in Canada and the United States as part of a global mineral resource assessment. The Elk Point Basin is a large, Middle Devonian (Givetian) intracratonic evaporite basin covering approximately 1,200,000 square kilometers (km2) and filled mainly...
Mangrove forests and climate change: Impacts and interactions
Daniel A. Friess, Luzhen Chen, Nicole Cormier, Ken Krauss, Catherine E. Lovelock, Jacqueline L. Raw, Kerrylee Rogers, Neil Saintilan, Frida Sidik
Michael J. Kennish, Hans W. Paerl, Joseph Crosswell, editor(s)
2023, Book chapter, Climate Change and Estuaries
The position of mangrove forests in the dynamic intertidal zone means that they are expected to be heavily impacted by climate change. Much focus is put on mangroves and their response to sea-level rise, but this ecosystem is exposed to a much broader range of climate change stressors, including increased...
PopEquus: a predictive modeling tool to support management decisions for free-roaming horse populations
Brian Patrick Folt, Kathryn A. Schoenecker, L. Stefan Ekernas, David R. Edmunds, Mark T. Hannon
2023, Ecosphere (14)
Feral horse (Equus caballus) population management is a challenging problem around the world because populations often exhibit density-independent growth, can exert negative ecological effects on ecosystems, and require great cost to be managed. However, strong value-based connections between people and horses cause contention around management decisions. To help make informed...
Blue carbon in a changing climate and a changing context
Lisamarie Windham-Myers
Michael J. Kennish, Hans W. Paerl, Joseph Crosswell, editor(s)
2023, Book chapter, Climate change and estuaries
Blue carbon, a convenient term to encompass the climate mitigation value of coastal carbon dynamics, has received global policy attention and growing datasets to support management actions. Carbon stock assessments in mangroves, seagrass, and tidal marshes document significant carbon storage in soils. Models illustrate significant downward fluxes of carbon dioxide...
