Using mobile acoustic monitoring and false-positive N-mixture models to estimate bat abundance and population trends
Bradley James Udell, Bethany Straw, Susan C. Loeb, Kathryn Irvine, Wayne E. Thogmartin, Cori Lausen, Jonathan D. Reichard, Jeremy T.H. Coleman, Paul M. Cryan, Winifred F. Frick, Brian Reichert
2024, Ecological Monographs (94)
Estimating the abundance of unmarked animal populations from acoustic data is challenging due to the inability to identify individuals and the need to adjust for observation biases including detectability (false negatives), species misclassification (false positives), and sampling exposure. Acoustic surveys conducted along mobile transects were designed to avoid counting individuals...
The effects of flow extremes on native and non-native stream fishes in Puerto Rico
B. J. E. Myers, A. C. Engman, A. Ramírez, A. Torres-Molinari, Abigail Lynch, Mitchell J. Eaton, P. B. Cooney, T. J. Kwak
2024, Freshwater Biology (69) 1292-1306
Globally, freshwater fishes are among the taxa most vulnerable to climate change but are generally understudied in tropical island ecosystems where climate change is predicted to alter the intensity, frequency and duration of extreme flow events. These changes may impact stream ecosystems and native and non-native biota in complex...
Connecting conservation practices to local stream health in the Chesapeake Bay watershed
Gregory E. Noe, Paul L. Angermeier, Larry B. Barber, Joe Buckwalter, Matthew J. Cashman, Olivia Devereux, Thomas Rossiter Doody, Sally Entrekin, Rosemary Margaret Fanelli, Nathaniel P. Hitt, Molly Elizabeth Huber, Jeramy Roland Jasmann, Kelly O. Maloney, Tristan Gregory Mohs, Sergio Sabat-Bonilla, Kelly Smalling, Tyler Wagner, John C. Wolf, Kenneth Hyer
2024, Fact Sheet 2024-3030
The Chesapeake Bay Partnership is implementing conservation practices (CPs) throughout the Chesapeake Bay watershed to reduce nutrient and sediment delivery to the Bay. This study intends to provide an integrated and detailed understanding of how local streams respond to these CP-driven management efforts.Key issue: To what extent do CPs positively...
Sixty-fifth supplement to the American Ornithological Society’s check-list of North American birds
R. Terry Chesser, Shawn Billerman, Kevin J Burns, Carla Cicero, Jon L. Dunn, Blanca Hernandez-Banos, Rosa Alicia Jimenez, Oscar W. Johnson, Andrew W. Kratter, Nicholas Mason, Pamela Ramussen, J.V. Remsen Jr.
2024, Ornithology (141)
This is the 24th supplement since publication of the 7th edition of the Check-list of North American Birds (American Ornithologists’ Union [AOU] 1998). It summarizes decisions made between April 25, 2023 and April 30, 2024 by the American Ornithological Society’s (formerly American Ornithologists’ Union)...
Tire-derived contaminants 6PPD and 6PPD-Q: Analysis, sample handling, and reconnaissance of United States stream exposures
Rachael F. Lane, Kelly Smalling, Paul M. Bradley, Justin Blaine Greer, Stephanie E. Gordon, John Hansen, Dana W. Kolpin, Andrew R. Spanjer, Jason R. Masoner
2024, Chemosphere (363)
The environmental ubiquity of tire and road wear particles (TRWP) underscores the need to understand the occurrence, persistence, and environmental effects of tire-related chemicals in aquatic ecosystems. One such chemical is 6PPD-quinone (6PPD-Q), a transformation product of the tire antioxidant 6PPD. In urban stormwater runoff 6PPD-Q can exceed acute toxicity thresholds for several salmonid species and is being implicated...
Interactive effects of salinity and hydrology on radial growth of bald cypress (Taxodium distichum (L.) Rich.) in coastal Louisiana, USA
Richard Day, Andrew From, Darren Johnson, Ken Krauss
2024, Forests (15)
Tidal freshwater forests are usually located at or above the level of mean high water. Some Louisiana coastal forests are below mean high water, especially bald cypress (Taxodium distichum (L.) Rich.) forests because flooding has increased due to the combined effects of global sea level rise and local subsidence. In...
Mitigating risk: Predicting H5N1 avian influenza spread with an empirical model of bird movement
Fiona McDuie, Cory T. Overton, Austen Lorenz, Elliott Matchett, Andrea Mott, Desmond Alexander Mackell, Josh T. Ackerman, Susan E.W. De La Cruz, Vijay P. Patil, Diann Prosser, John Y. Takekawa, Dennis L. Orthmeyer, Maurice E. Pitesky, Samuel L. Diaz-Munoz, Brock M. Riggs, Joseph Gendreau, Eric T. Reed, Mark J. Petrie, Chris K. Williams, Jeffrey J. Buler, Matthew J. Hardy, Brian S. Ladman, Pierre Legagneux, Joel Bety, Philippe J. Thomas, Jean Rodrigue, Josee Lefebvre, Michael L. Casazza
2024, Transboundary and Emerging Diseases
Understanding timing and distribution of virus spread is critical to global commercial and wildlife biosecurity management. A highly pathogenic avian influenza virus (HPAIv) global panzootic, affecting ~600 bird and mammal species globally and over 83 million birds across North America (Dec 2023), poses a serious global threat to animals and...
Upland Yedoma taliks are an unpredicted source of atmospheric methane
Katey M. Walter Anthony, Nicholas Hasson, Colin W. Edgar, Orit Sivan, Effrat Eliani-Russak, Oded Bergman, Burke J. Minsley, Stephanie R. James, Neal J. Pastick, Alexander Kholodov, Sergey Zimov, Eugenie Euskirchen, Marion S. Bret-Harte, Guido Grosse, Moritz Langer, Jan Nitzbon
2024, Nature Communications (15)
Landscape drying associated with permafrost thaw is expected to enhance microbial methane oxidation in arctic soils. Here we show that ice-rich, Yedoma permafrost deposits, comprising a disproportionately large fraction of pan-arctic soil carbon, present an alternate trajectory. Field and laboratory observations indicate that talik (perennially thawed soils in permafrost) development...
Challenges of implementing a multi-agency monitoring and adaptive management strategy for federally threatened Chinook salmon and steelhead trout during and after dam removal in the Elwha River
Roger J. Peters, Joseph H. Anderson, Jeffrey J. Duda, Michael L. McHenry, George Pess, Samuel J. Brenkman, Jeffery R. Johnson, Martin C. Liermann, Keith Denton, Matthew M. Beirne, Patrick Crain, Heidi A. Connor
2024, Frontiers in Environmental Science (12)
Adaptive management, a process of planning, implementing, and evaluating management strategies, is often recommended for monitoring ecological systems. However, few examples of successful implementation and retrospective case studies exist. We provide a case study of adaptively managing hatchery-assisted protection and recovery for Chinook salmon (Oncorhynchus tshawytscha) and winter steelhead trout...
Discovery of giant and conventional magnetofossils bookending Cretaceous Oceanic Anoxic Event 2
Courtney L. Wagner, Ioan Lascu, Jean Self-Trail, Tim Gooding, Kenneth J.T. Livi, Gianna Greger, Kristina Frank Gardner, Jody Brae Wycech, Mark F. Dreier, Tom Oliver
2024, Communications Earth & Environment (5)
Conventional magnetofossils are the remains of magnetotactic bacteria and giant magnetofossils are the remains of iron biomineralizing organisms that have not yet been identified. We report the oldest robust conventional and giant magnetofossil records, ~97 Ma, from marine sediments drilled in Holland Park, Virginia, USA. The Holland...
Risk of invasive waterfowl interaction with poultry production: Understanding potential for avian pathogen transmission via species distribution models
Reilly T. Jackson, Percival M. Marshall, Chris Burkhart, Julia Schneck, Grant Kelly, Caleb Powell Roberts
2024, Biological Invasions (14)
Recent outbreaks of highly pathogenic avian influenza have devastated poultry production across the United States, with more than 77 million birds culled in 2022–2024 alone. Wild waterfowl, including various invasive species, host numerous pathogens, including highly pathogenic avian influenza virus (HPAIV), and have been implicated...
Biodiversity promotes urban ecosystem functioning
Sarah R. Weiskopf, Susannah B. Lerman, Forest Isbell, Toni Lyn Morelli
2024, Ecography (2024)
The proportion of people living in urban areas is growing globally. Understanding how to manage urban biodiversity, ecosystem functions, and ecosystem services is becoming more important. Biodiversity can increase ecosystem functioning in non-urban systems. However, few studies have reviewed the relationship between biodiversity and ecosystem...
Guidelines for the use of automatic samplers in collecting surface-water quality and sediment data
Timothy P. Wilson, Cherie V. Miller, Evan A. Lechner
2024, Techniques and Methods 1-D12
The importance of fluvial systems in the transport of sediment, dissolved and suspended contaminants, nutrients, and bacteria through the environment is well established. The U.S. Environmental Protection Agency (EPA) identifies sediment as the single most widespread water contaminant affecting the beneficial uses of the Nation’s rivers and streams. The evaluation...
Wildfire, extreme precipitation and debris flows, oh my! Channel response to compounding disturbances in a mountain stream in the Upper Colorado Basin, USA
Paxton Ridgeway, Belize Lane, Haley Canham, Brendan Murphy, Patrick Belmont, Francis K. Rengers
2024, Earth Surface Processes and Landforms (49) 3855-3872
Compounding changes in climate and human activities stand to increase sediment input to rivers in many landscapes, including via discrete perturbations such as post-fire debris flows. Because sediment supply is a dominant control on river morphology, understanding mountain river responses to sediment regime perturbations...
Smallmouth buffalo (Ictiobus bubalus Rafinesque) population trends and demographics in the Upper Mississippi River System
Kristopher A. Maxson, Levi E. Solomon, Taylor A. Bookout, Steven A. DeLain, Andrew Bartels, Melvin C. Bowler, Eric J. Gittinger, Eric N. Ratcliff, John L. West, Seth A. Love, Jason A. DeBoer, Andrya L. Whitten-Harris, Michael J. Spear, Brian Ickes, Andrew F. Casper, James T. Lamer
2024, Environmental Biology of Fishes (107) 1625-1649
Smallmouth buffalo (Ictiobus bubalus Rafinesque) are a large-bodied fish highly valued and commercially exploited across most of their range. Despite this, relatively little is known of their population demographics compared to other exploited species. To fill these knowledge gaps, we analyzed two independent long-term datasets (30 and...
Quantifying compound and nonlinear effects of hurricane-induced flooding using a dynamically coupled hydrological-ocean model
Daoyang Bao, Z. George Xue, John C. Warner
2024, Water Resources Research (60)
We recently developed a dynamically coupled hydrological-ocean modeling system that provides seamless coverage across the land-ocean continuum during hurricane-induced compound flooding. This study introduced a local inertial equation and a diagonal flow algorithm to the overland routing of the coupled system’s hydrology model (WRF-Hydro). Using Hurricane Florence (2018) as a...
Spatio-temporal distribution of adult Pacific lamprey Entosphenus tridentatus relative to habitat fragmentation
Kara J. Anlauf-Dunn, Benjamin J. Clemens, Matthew Richard Falcy, Courtney L. Zambory
2024, River Research and Applications (40) 1940-1953
Pacific lamprey (Entosphenus tridentatus), a fish species native to the Pacific Northwest (USA), have distinctive cultural and ecological value but determining their spatial and temporal distribution is challenging due to a general lack systematic monitoring. In this study, we used counts of Pacific lamprey redds to model the probability of...
Spatial and seasonal variability in trophic relationships and carbon sources of two key invertebrate species in Lake Ontario
Donald R. Uzarski, Aaron T. Fisk, Cecilia E. Heuvel, Brian O’Malley, Brian Weidel, Sarah M. Larocque, Timothy B. Johnson
2024, Journal of Great Lakes Research (50)
Mysids (Mysis diluviana) and dreissenids (Dreissena polymorpha and mostly D. bugensis) are important invertebrate taxa in the food webs of the Laurentian Great Lakes but there are uncertainties about the seasonal and spatial variability in their stable isotope signatures. We quantified δ13C and δ15N in 304 mysid and 366 dreissenid samples across five spatial ecoregions,...
Infection–nutrition feedbacks: Fat supports pathogen clearance but pathogens reduce fat in a wild mammal
Rachel A. Smiley, Brittany L. Wagler, William H. Edwards, Jessica Jennings-Gaines, Katie Luukkonen, Kara Robbins, Marguerite Johnson, Alyson B. Courtemanch, Tony W. Mong, Daryl Lutz, Douglas E. McWhirter, Jennifer L. Malmberg, Blake Lowrey, Kevin L. Monteith
2024, Proceedings of the Royal Society B, Biological Sciences (291)
Though far less obvious than direct effects (clinical disease or mortality), the indirect influences of pathogens are difficult to estimate but may hold fitness consequences. Here, we disentangle the directional relationships between infection and energetic reserves, evaluating the hypotheses that energetic reserves influence infection status of the host and that...
A comparison of CO2 seasonal activity in Mars' northern and southern hemispheres
Candice J. Hansen, Shane Byrne, Wendy M. Calvin, Serina Diniega, Colin M. Dundas, Paul O. Hayne, Alfred S. McEwen, Lauren E McKeown, Sylvain Piqueux, Ganna Portyankina, Meg E Schwamb, Timothy N. Titus, Jacob M Widmer
2024, Icarus (419)
Carbon dioxide is Mars' most active volatile. The seasonal and diurnal processes of when and where it condenses and sublimates are determined by energy balance between the atmosphere and surface ice in Mars' vapor pressure equilibrium climate. Mars' current obliquity ensures that the polar caps are stable locations for seasonal condensation. The eccentricity of...
Geologic constraints on the formation and evolution of Saturn’s mid-sized moons
Alyssa Rhoden, Sierra Ferguson, William F. Bottke, Julie C. Castillo-Rogez, Emily Martin, Michael T. Bland, Michelle R. Kirchoff, Marco Zannoni, Nicolas Rambaux, Julien Salmon
2024, Space Science Reviews (220)
Saturn’s mid-sized icy moons have complex relationships with Saturn’s interior, the rings, and with each other, which can be expressed in their shapes, interiors, and geology. Observations of their physical states can, thus, provide important constraints on the ages and formation mechanism(s) of the moons, which in turn informs our...
The High-Resolution Imaging Science Experiment (HiRISE) in the MRO extended science phases (2009–2023)
Alfred S. McEwen, Shane Byrne, Candice J. Hansen, Ingrid J. Daubar, Sarah Sutton, Colin M. Dundas, Nicole Bardabelias, Nicole Baugh, James W. Bergstrom, Ross A. Beyer, Kristin M Block, Veronica Bray, John C. Bridges, Matthew Chojnacki, Susan J. Conway, W Alan Delamere, T. Ebben, Yisrael Espinosa, Audrie Fennema, John Grant, Virginia C Gulick, Kenneth E. Herkenhoff, Rodney Heyd, Richard Leis, Lujendra Ojha, Singleton Papendick, Christian Schaller, Nicolas Thomas, Livio L. Tornabene, Catherine M. Weitz, Sharon A. Wilson
2024, Icarus (419)
The Mars Reconnaissance Orbiter has been orbiting Mars since 2006 and has acquired >80,000 HiRISE images with sub-meter resolution, contributing to over 2000 peer-reviewed publications, and has provided the data needed to enable safe surface landings in key locations by several rovers or landers. This paper describes the changes to science planning,...
Polar science results from Mars Reconnaissance Orbiter: Multiwavelength, multiyear insights
Margaret E. Landis, P. J. Acharya, N. R. Alsaeed, C. Andres, Patricio Becerra, Wendy M. Calvin, E. M. Cangi, S. F. A. Cartwright, M. S. Chaffin, Serina Diniega, Colin M. Dundas, Candice J. Hansen, Paul O. Hayne, Kenneth E. Herkenhoff, David M. Kass, Aditya R. Khuller, Lauren McKeown, Patrich S. Russell, Isaac B. Smith, Sarah S. Sutton, J. M. Widmer, Jennifer L Whitten
2024, Icarus (419)
Mars Reconnaissance Orbiter (MRO), with its arrival in 2006 and nearly continuous operation since, has provided data for the study of martian polar processes spanning nine Mars years. Mars' polar deposits have long been thought to preserve records of past climates, potentially readable like terrestrial ice cores. However, unraveling millions of...
New, dated small impacts on the South Polar Layered Deposits (SPLD), Mars, and implications for shallow subsurface properties
Margaret E. Landis, Colin M. Dundas, Alfred S. McEwen, Ingrid J. Daubar, Paul O. Hayne, Shane Byrne, Sarah S. Sutton, Vidhya Ganesh Rangarajan, Livio L. Tornabene, Andrew Britton, Kenneth E. Herkenhoff
2024, Icarus (419)
The Mars Reconnaissance Orbiter (MRO) Context Camera (CTX) imaged two newly formed impact craters on the South Polar Layered Deposits (SPLD) of Mars in 2018 and 2020. These two new craters, the first detected on the SPLD, measure ∼17 m and ∼48 m in diameter. Follow-up observations were conducted with the High Resolution...
Novel quantitative methods to enable multispectral identification of high-purity water ice exposures on Mars using High Resolution Imaging Science Experiment (HiRISE) images
Vidhya Ganesh Rangarajan, Livio L. Tornabene, G. R. Osinski, Colin M. Dundas, Ross A. Beyer, Kenneth E. Herkenhoff, Shane Byrne, Rodney Heyd, Frank P. Seelos, G. Munaretto, Angela Dapremont
2024, Icarus (419)
Reliable detection and characterization of water ice on the Martian surface is pivotal to not only understand its present and past climate, but to also provide valuable information on in-situ resource availability and distribution for future human exploration missions. Ice-rich features are currently identified with visible/near-IR (VNIR), thermal IR and...
