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Anticoagulant rodenticides are associated with increased stress and reduced body condition of avian scavengers in the Pacific Northwest
Anticoagulant rodenticides (AR) have been used globally to manage commensal rodents for decades. However their application has also resulted in primary, secondary, and tertiary poisoning in wildlife. Widespread exposure to ARs (primarily second generation ARs; SGARs) in raptors and avian scavengers has triggered considerable conservation concern over their potential effects on populations. To iden
Authors
Garth Herring, Collin A. Eagles-Smith, Jeremy A. Buck
Estimating population viability of the northern Great Plains piping plover population considering updated population structure, climate change, and intensive management
One challenge in wildlife conservation is understanding how various threats and management actions may influence long-term population viability. This is particularly evident when there is considerable uncertainty regarding population structure and vital rates. Reassessment of current knowledge and population trends is necessary for listed species to improve management actions that benefit conserva
Authors
Rose J. Swift, Michael J. Anteau, Kristen S. Ellis, Garrett J. MacDonald, Megan Ring, Mark H. Sherfy, Dustin L. Toy
Applications of natural language processing to geoscience text data and prospectivity modelling
Geological maps are powerful models for visualizing the complex distribution of rock types through space and time. However, the descriptive information that forms the basis for a preferred map interpretation is typically stored in geological map databases as unstructured text data that are difficult to use in practice. Herein we apply natural language processing (NLP) to geoscientific text data fr
Authors
Christopher J.M. Lawley, Michael G. Gadd, Mohammad Parsa, Graham W. Lederer, Garth E. Graham, Arianne Ford
Global review reveals how disparate study motivations, analytical designs, and focal ions limit understanding of salinization effects on freshwater animals
Global salinization of freshwaters is adversely affecting biotic communities and ecosystem processes. We reviewed six decades (1960–2020) of literature published on animal responses to increased salinities across different taxonomic and ecological contexts and identified knowledge gaps. From 585 journal articles, we characterized 5924 responses of mollusks, crustaceans, zooplankton, non-arthropod
Authors
Richard H. Walker, Abigail C. Belvin, Joshua B. Mouser, Amanda Pennino, Stephen Plont, Christopher D. Robinson, Lucy B. Smith, Jyoti Thapa, Carl E. Zipper, Paul L. Angermeier, Sally A. Entrekin
Parental infanticide by egg destruction in Red-billed Tropicbirds Phaethon aethereus on the Caribbean island of Sint Eustatius
Avian reproduction is a process that requires extensive energetic input by parents, particularly in pelagic seabirds. Parental infanticide has rarely been reported in pelagic seabirds, and its frequency among taxa is therefore difficult to determine. Using data from remote cameras, two cases of probable parental infanticide in Red-billed Tropicbirds Phaethon aethereus were captured on Sint Eustati
Authors
Hailley Danielson-Owczynsky, Hannah Madden, Patrick Jodice
Spatial and individual factors mediate the tissue burden of polycyclic aromatic hydrocarbons in adult and chick brown pelicans in the northern Gulf of Mexico
The northern Gulf of Mexico supports a substantial level of oil and gas extraction in marine waters and experiences acute and chronic exposure to marine pollution events. The region also supports a diverse array of breeding and migratory seabirds that are exposed to these pollutants during foraging and other activities. Among the pollutants of highest concern within the region are polycyclic aroma
Authors
Patrick Jodice, Juliet S. Lamb, Yvan G. Satgé, Christopher Perkins
Groundwater residence times in glacial aquifers—A new general simulation-model approach compared to conventional inset models
Groundwater is important as a drinking-water source and for maintaining base flow in rivers, streams, and lakes. Groundwater quality can be predicted, in part, by its residence time in the subsurface, but the residence-time distribution cannot be measured directly and must be inferred from models. This report compares residence-time distributions from four areas where groundwater flow and travel t
Authors
J. Jeffrey Starn, Leon J. Kauffman, Daniel T. Feinstein
Flood-inundation maps for an 8-mile reach of Papillion Creek near Offutt Air Force Base, Nebraska, 2022
Digital flood-inundation maps for an 8-mile reach of Papillion Creek near Offutt Air Force Base, Nebraska, were created by the U.S. Geological Survey (USGS) in cooperation with the U.S. Air Force, Offutt Air Force Base. The flood-inundation maps, which can be accessed through the USGS Flood Inundation Mapping Program website at https://www.usgs.gov/mission-areas/water-resources/science/flood-inund
Authors
Kellan R. Strauch, Christopher M. Hobza
Impact of dams on stream fish diversity: A different result
Impoundments can drastically change the physical and biological characteristics of fluvial systems. Changes in the physical characteristics, such as reductions in flow, increased sediment deposition, and increased surface area, often influence the system’s biological components, including plant, macroinvertebrate, and fish assemblages. In addition to having direct effects on impounded waterbodies,
Authors
Nicky M. Faucheux, Leandro E. Miranda, Jason M. Taylor, Jerry L. Farris
Coastal acidification trends and controls in a subtropical estuary, Tampa Bay, Florida USA
Many coastal estuaries have experienced declines in pH over the past few decades due to coastal acidification. However, mean monthly water column pH values (collected during daylight hours) have increased in Tampa Bay, Florida over recent decades concurrent with seagrass recovery. We measured changes in carbonate system and water quality variables in Tampa Bay and the near-coastal Gulf of Mexico e
Authors
Kimberly K. Yates, Christopher Moore, Mitchell K Lemon, Ryan P. Moyer, David A. Tomasko, R. Masserini, Edward T. Sherwood
Toxicological effects assessment for wildlife in the 21st Century: Review of current methods and recommendations for a path forward
Model species (e.g., granivorous gamebirds, waterfowl, passerines, domesticated rodents) have been used for decades in guideline laboratory tests to generate survival, growth and reproductive data for prospective Ecological Risk Assessments (ERAs) for birds and mammals, while officially adopted risk assessment schemes for amphibians and reptiles do not exist. There are recognized shortcomings of c
Authors
Thomas G. Bean, Val R. Beasley, Philippe Berny, Karen M. Eisenreich, John E. Elliott, Margaret L. Eng, Phyllis C. Fuchsman, Mark S. Johnson, Mason D. King, Rafael Mateo Soria, Carolyn B. Meyer, Christopher J. Salice, Barnett A. Rattner
Establishing big sagebrush seedlings on the Colorado Plateau
Factors such as soil type and precipitation vary across rangeland landscapes, and these factors affect restoration outcomes and ultimately mean that “one size fits all” management strategies are not effective across large, complex landscapes. Big sagebrush (Artemisia tridentata) is a foundational rangeland species that is important to wildlife habitat across the western U.S. On the Colorado Platea
Authors
Kari E. Veblen, Eric Thacker, Mark Larese-Casanova, Kyle C. Nehring, Michael C. Duniway, Colby C. Brungard