Model-based assessment and mapping of total phosphorus enrichment in rivers with sparse reference data
Peter C. Esselman, R Jan Stevenson
2023, Science of the Total Environment (884)
Water nutrient management efforts are frequently coordinated across thousands of water bodies, leading to a need for spatially extensive information to facilitate decision making. Here we explore potential applications of a machine learning model of river low-flow total phosphorus (TP) concentrations to support landscape...
Climate change and the global redistribution of biodiversity: Substantial variation in empirical support for expected range shifts
Madeleine A. Rubenstein, Sarah R. Weiskopf, Romain Bertrand, Shawn Carter, Lise Comte, Mitchell J. Eaton, Ciara G. Johnson, Jonathan Lenoir, Abigail Lynch, Brian W. Miller, Toni Lyn Morelli, Mari Angel Rodriguez, Adam Terando, Laura Thompson
2023, Journal of Environmental Evidence (12)
BackgroundAmong the most widely predicted climate change-related impacts to biodiversity are geographic range shifts, whereby species shift their spatial distribution to track their climate niches. A series of commonly articulated hypotheses have emerged in the scientific literature suggesting species are expected to shift their distributions to higher latitudes,...
Shorebird monitoring using spatially explicit occupancy and abundance
Eve Bohnett, Jessica Schulz, Robert C. Dobbs, Thomas Hoctor, Dave Hulse, Bilal Ahmad, Wajid Rashid, Hardin Waddle
2023, Land (12)
Loss of habitat and human disturbance are major factors in the worldwide decline of shorebird populations, including that of the threatened migratory piping plover (Charadrius melodus). From 2013 to 2018, we conducted land-based surveys of the shorebird community every other week during the peak piping plover season (September...
A Fisherman's Tale: An unusual observation of the Ozark Cavefish, Troglichthys (= Amblyopsis) Rosae (Eigenmann)
Joshua. B. Mouser, Josh Johnston, Matthew L. Niemiller, Shannon K. Brewer
2023, Southeastern Naturalist (22) N28-N33
Troglichthys (= Amblyopsis) rosae (Ozark Cavefish) is currently known from 83 locations within the Ozark Highlands ecoregion. We found a cavefish at a new location in the Grand Lake O' the Cherokees on the western side of the Neosho River (Delaware County, OK), which is on the northwest...
Evaluating regional length limits in freshwater fisheries
Andrew C. Shamaskin, Michael E. Colvin, Leandro E. Miranda
2023, Canadian Journal Fisheries and Aquatic Sciences (80)
Length limits are often used in recreational fisheries management to prevent overharvest and manipulate fish size distributions. These regulations are ideally customized to meet water-specific stock dynamics and fishery objectives. However, in districts with numerous discrete waters, fisheries are commonly managed with a universal regional regulation. Evaluating...
Climate change risks to freshwater subsistence fisheries in Arctic Alaska: Insights and uncertainty from broad whitefish Coregonus nasus
Jason C. Leppi, Daniel J. Rinella, Mark S. Wipfli, Anna K. Liljedahl, Andrew C. Seitz, Jeffrey A. Falke
2023, Fisheries Magazine (48) 295-306
Arctic freshwater ecosystems and fish populations are largely shaped by seasonal and long-term watershed hydrology. In this paper, we hypothesize how changing air temperature and precipitation will alter freeze and thaw processes, hydrology, and instream habitat to assess potential indirect effects, such as the change...
Rebuttal to correspondence on “sediment sources and sealed-pavement area drive polycyclic aromatic hydrocarbon and metal occurrence in urban streams
Travis S. Schmidt, Christopher C. Fuller, Sharon L. Qi, Allen C. Gellis
2023, Environmental Science and Technology (57) 6756-6758
No abstract available....
Using the potassium-argon laser experiment (KArLE) to date ancient, low-K chondritic meteorites
Fanny Cattani, Barbara A. Cohen, Cameron Mark Mercer, Agnes J. Dahl
2023, Meteoritics & Planetary Science (MAPS) (58) 591-611
Several laboratories have been investigating the feasibility of in situ K-Ar dating for use in future landing planetary missions. One drawback of these laboratory demonstrations is the insufficient analogy of the analyzed analog samples with expected future targets. We present the results obtained using the K-Ar...
Effects of nitrate and conductivity on embryo-larval fathead minnows
Thea M. Edwards, Daniel J. Lamm, Joel J. Harvey
2023, Environmental Toxicology and Chemistry (42) 1529-1541
Nitrate concentrations have been rising in surface waters over the last century and now frequently exceed drinking water standards and environmental safety benchmarks globally. Health-wise, these trends are concerning because nitrate has been shown to disrupt endocrine function and developmental outcomes. The present study...
Demographics and gross pathology of scoters and scaups killed by the Cosco Busan oil spill in California
Jessie Beck, Ryan D. Carle, HannahRose M. Nevins, Susan E.W. De La Cruz, Erica Donnelly-Greenan
2023, Marine Ornithology: Journal of Seabird Research and Conservation (51) 73-82
Unusual wildlife mortality events provide a unique opportunity to collect information on demographics, disease, and body condition in affected wildlife, which may be useful for informing oil spill damage assessments and future spill responses. In November 2007, the Cosco Busan Oil Spill occurred in San Francisco Bay, California, a globally...
A simplified method for value of information using constructed scales
Michael C. Runge, Clark S. Rushing, James E. Lyons, Madeleine A. Rubenstein
2023, Decision Analysis (20) 220-230
The value of information is a central concept in decision analysis, used to quantify how much the expected outcome of a decision would be improved if epistemic uncertainty could be resolved prior to committing to a course of action. One of the challenges, however, in quantitative analysis of the value...
How do ambient conditions and management actions affect manatee movements and habitat use?
Daniel Slone, Susan M. Butler, James P. Reid, Joyce Kleen, Joyce Palmer
2023, Journal of Wildlife Management (87)
Kings Bay in northwest Florida, USA, is an important winter home of the largest aggregation of Florida manatee (Trichechus manatus latirostris), and the only location in the United States where visitors legally swim and interact with manatees. In addition to ambient conditions, visitors to...
Laying sequence and oceanographic factors affect egg size in Scripps's Murrelets Synthliboramphus scrippsi at Santa Barbara Island
Marcela I. Todd Zaragoza, Amelia J. DuVall, Jim A. Howard, David M. Mazurkiewicz, Sarah J. Converse
2023, Marine Ornithology: Journal of Seabird Research and Conservation (51) 1-9
Egg size is an important avian life history parameter, with larger eggs indicating greater investment of resources in the chick. Prey availability can affect such investment. We investigated the effects of oceanographic conditions and laying sequence on Scripps's Murrelet Synthliboramphus scrippsi egg size at Santa Barbara Island, California during 2009-2017. We evaluated...
Migrating mule deer compensate en route for phenological mismatches
Anna C. Ortega, Ellen O. Aikens, Jerod A. Merkle, Kevin L. Monteith, Matthew Kauffman
2023, Nature Communications (14)
Billions of animals migrate to track seasonal pulses in resources. Optimally timing migration is a key strategy, yet the ability of animals to compensate for phenological mismatches en route is largely unknown. Using GPS movement data collected from 72 adult female deer over a 10-year duration, we study a population...
Goldilocks forbs: Survival is highest outside—but not too far outside—of Wyoming big sagebrush canopies
Sofia Koutzoukis, David A. Pyke, Mark W. Brunson, Jacopo A. Baggio, Carmen Calzado-Martinez, Kari E. Veblen
2023, Restoration Ecology (31)
In arid and semiarid systems, positive effects of nurse shrubs generally occur immediately underneath and around shrub canopies, creating microsites that can be targeted to promote plant establishment in restoration settings. Alternatively, the best microsites may occur in the interspace zone immediately surrounding nurse...
Evaluating and mitigating the impact of systematic geolocation error on canopy height measurement performance of GEDI
Hao Tang, Jason M. Stoker, Scott Luthcke, John Armston, Kyungtae Lee, Bryan Blair, Michelle Hofton
2023, Remote Sensing of Environment (291)
NASA's Global Ecosystem Dynamics Investigation (GEDI) is designed to provide high-resolution measurements of forest structure and topography between 52° N and S. However, current geolocation accuracy may limit further science applications of footprint-level products as early adopters have found it difficult to align with in-situ forestry inventory data and high-resolution...
Bilateral palpebral reduction and concurrent mycoplasmosis in a wild Agassiz's desert tortoise (Gopherus agassizii)
Elliott R. Jacobson, Kristin H. Berry, Dennis E Brooks, John F. Roberts
2023, Veterinary Opthalmology (26) 361-366
A wild Agassiz's desert tortoise, Gopherus agassizii, with bilateral eyelid reduction and plaques of tissue covering the superior surface of both corneas was examined in the field and subsequently submitted to the University of Florida for diagnostics. Polymerase chain reaction (PCR), from a swab of both...
Distribution and abundance of Least Bell’s Vireos (Vireo bellii pusillus), Southwestern Willow Flycatchers (Empidonax traillii extimus), and Coastal California Gnatcatchers (Polioptila californica californica) at the Santa Fe Dam, Los Angeles County, California—2022 data summary
Suellen Lynn, Barbara E. Kus
2023, Data Report 1171
In 2022, we surveyed for Least Bell’s Vireos (Vireo bellii pusillus; vireo), Southwestern Willow Flycatchers (Empidonax traillii extimus; flycatcher), and Coastal California Gnatcatchers (Polioptila californica californica; gnatcatcher) in the Santa Fe Dam detention basin and along the San Gabriel River upstream from the Santa Fe Dam near Irwindale, California. Four...
Effects of large-scale disturbance on animal space use: Functional responses by greater sage-grouse after megafire
Bryan S. Stevens, Shane Roberts, Courtney J. Conway, Devin K. Engelstead
2023, Ecology and Evolution (13)
Global change has altered the nature of disturbance regimes, and megafire events are increasingly common. Megafires result in immediate changes to habitat available to terrestrial wildlife over broad landscapes, yet we know surprisingly little about how such changes shape space use of sensitive species in habitat that remains. Functional responses...
Impact of wastewater treatment plant effluent on the winter thermal regime of two urban Colorado South Platte tributaries
Catherine M. Adams, Dana L. Winkelman, Ryan M. Fitzpatrick
2023, Frontiers in Enviornmental Science (11)
Wastewater treatment plant effluent can increase stream water temperature from near freezing to 5°C–12°C in winter months. Recent research in the South Platte River Basin in Colorado showed that this warming alters the reproductive timing of some fishes. However, the spatial extent and magnitude of this warming are unknown. Thus,...
Predicting methane emissions and developing reduction strategies for a Central Appalachian Basin, USA, longwall mine through analysis and modeling of geology and degasification system performance
C. Ozgen Karacan
2023, International Journal of Coal Geology (270)
Coal mine methane is a safety concern in active mines due to explosion risk and an environmental concern due to the greenhouse gas (GHG) properties of methane emissions to the atmosphere. Depending on the mine design and operation, structural and stratigraphic characteristics of the geology, and the properties of...
Hidden in the hills: Phylogeny of the freshwater mussel genus Alasmidonta (Bivalvia: Unionidae) and description of a new species
Nathan V. Whelan, Nathan Johnson, Ashantye’ S. Williams, Michael A. Perkins, Caitlin E. Beaver, Jason W. Mays
2023, Zoological Journal of the Linnean Society (198) 650-676
Inaccurate taxonomy can lead to species in need of conservation being overlooked, which makes revisionary systematics crucially important for imperilled groups. The freshwater mussel genus Alasmidonta is one such group in need of study. Here, we take a multilocus phylogenetic approach to assess species-level taxonomy of Alasmidonta and test monophyly of this genus. Phylogenetic...
The stratigraphy and stratigraphic nomenclature of the Goochland Terrane in the Piedmont Province of east-central Virginia
Robert E. Weems, Eleanora I. Robbins
2023, Stratigraphy (20) 39-58
The Goochland terrane is a structurally isolated crustal block in the eastern Piedmont of Virginia. It is composed of the previously named State Farm Gneiss, Montpelier Anorthosite, Sabot Amphibolite, and Maidens Gneiss, but also includes the Scotchtown Gneiss, Teman Gneiss, and Old Bandana Gneiss which are formally named and defined...
Predicted aquatic exposure effects from a national urban stormwater study
Paul M. Bradley, Kristin M. Romanok, Kelly L. Smalling, Jason R. Masoner, Dana W. Kolpin, Stephanie E. Gordon
2023, Environmental Science: Water Research and Technology (9) 3191-3199
A multi-agency study of 438 organic and 62 inorganic chemicals measured in urban stormwater during 50 total runoff events at 21 sites across the United States demonstrated that stormwater discharges can generate localized, aquatic exposures to extensive contaminant mixtures, including organics suspected to cause adverse aquatic-health effects. The aggregated risks...
Assessing large landscape patterns of potential fire connectivity using circuit methods
Erin K. Buchholtz, Jason R. Kreitler, Douglas J. Shinneman, Michele R. Crist, Julie A. Heinrichs
2023, Landscape Ecology (38) 1663-1676
ContextMinimizing negative impacts of wildfire is a major societal objective in fire-prone landscapes. Models of fire connectivity can aid in understanding and managing wildfires by analyzing potential fire spread and conductance patterns. We define ‘fire connectivity’ as the landscape’s capacity to facilitate fire transmission from one point on...
