Conceptual models of groundwater flow in the Grand Canyon region, Arizona
Jacob E. Knight, Peter W. Huntoon
2022, Scientific Investigations Report 2022-5037
The conceptual models of groundwater flow outlined herein synthesize what is known and hypothesized about the groundwater-flow systems that discharge to the Grand Canyon of Arizona. These models interpret the hydrogeologic characteristics and hydrologic dynamics of the physical systems into a framework for understanding key aspects of the physical systems...
Detection of Splendidofilaria sp. (Onchocercidae:Splendidofilariinae) Microfilaria within Alaskan ground-dwelling birds in the grouse subfamily tetraoninae using taqman probe-based real-time PCR
Stephen E. Greiman, Robert E. Wilson, Briana Sesmundo, Jack Reakoff, Sarah A. Sonsthagen
2022, Journal of Parasitology (108) 192-198
Grouse and ptarmigan (Galliformes) harbor fairly diverse helminth faunas that can impact the host's health, including filarial nematodes in the genus Splendidofilaria. As host and parasite distributions are predicted to shift in response to recent climate change, novel parasites may be introduced into a region...
A review of empirical evidence that examines the effectiveness of harvest regulation evaluations in freshwater systems: A systematic, standardized collaborative approach
Kristen Chestnut- Faull, Martha E. Mather, Quinton Phelps, Dan Shoup
2022, Fisheries Magazine (47) 423-434
Harvest regulations are important tools that fisheries professionals use to impact fish abundance, alter population size structure, and improve fishing opportunities. Fisheries professionals often assume that specialized harvest regulations will have specific effects on target fish populations, but these predictions are not always realized because...
Using microbial source tracking to identify fecal contamination sources in Lake Montauk on Long Island, New York
Tristen N. Tagliaferri, Shawn C. Fisher, Christopher M. Kephart, Natalie Cheung, Ariel P. Reed, Robert J. Welk
2022, Scientific Investigations Report 2022-5038
The U.S. Geological Survey worked in cooperation with the Concerned Citizens of Montauk and the New York State Department of Environmental Conservation to assess the potential sources of fecal contamination entering Lake Montauk, an artificial embayment on the tip of the southern fork of Suffolk County, Long Island, New York....
How effective is the Birdsbesafe® cat collar at reducing bird mortality by domestic cats?
M.B. Jensen, S.K. Willson, Abby Powell
2022, Journal of Fish and Wildlife Management (13) 182-191
The global decline of songbird populations is a well-recognized conservation issue. Domestic cats kill an estimated 2.4 billion birds each year in the United States alone—more than most other anthropogenic threats combined. As many pet owners are reluctant to keep their cats inside, collar-mounted antipredation devices for domestic cats may...
The role of satellite telemetry data in 21st century conservation of polar bears (Ursus maritimus)
Kristin L. Laidre, George M. Durner, Nicholas J Lunn, Eric V. Regehr, Todd C. Atwood, Karyn D. Rode, Jon Aars, Heli Routti, Oystein Wiig, Markus Dyck, Evan S. Richardson, Stephen D Atkinson, Stanislav Belikov, Ian Stirling
2022, Frontiers in Marine Science (9)
Satellite telemetry (ST) has played a critical role in the management and conservation of polar bears (Ursus maritimus) over the last 50 years. ST data provide biological information relevant to subpopulation delineation, movements, habitat use, maternal denning, health, human-bear interactions, and accurate estimates of vital rates and abundance. Given that...
Monitoring climate impacts on annual forage production across U.S. semi-arid grasslands
Marketa Podebradska, Bruce K. Wylie, Deborah J. Bathke, Yared A. Bayissa, Devendra Dahal, Justin D. Derner, Philip A. Fay, Michael J. Hayes, Walter H. Schacht, Jerry D. Volesky, Pradeep Wagle, Brian D. Wardlow
2022, Remote Sensing (14)
The ecosystem performance approach, used in a previously published case study focusing on the Nebraska Sandhills, proved to minimize impacts of non-climatic factors (e.g., overgrazing, fire, pests) on the remotely-sensed signal of seasonal vegetation greenness resulting in a better attribution of its changes to climate variability. The...
Using a mechanistic framework to model the density of an aquatic parasite Ceratonova shasta
H. E. Robinson, Julie D Alexander, Jerri L Bartholomew, Sascha L Hallett, Nicholas J. Hetrick, Russell Perry, Nicholas A. Som
2022, PeerJ (10)
Ceratonova shasta is a myxozoan parasite endemic to the Pacific Northwest of North America that is linked to low survival rates of juvenile salmonids in some watersheds such as the Klamath River basin. The density of C. shasta actinospores in the water column is typically highest in the spring (March–June), and directly...
Water availability drives instream conditions and life-history of an imperiled desert fish: A case study to inform water management
Robert K. Al-Chokhachy, Roger Peka, Erik Horgen, Daniel J. Kaus, Tim Loux, Lisa Heki
2022, Science of the Total Environment (832)
In arid ecosystems, available water is a critical, yet limited resource for human consumption, agricultural use, and ecosystem processes—highlighting the importance of developing management strategies to meet the needs of multiple users. Here, we evaluated how water availability influences stream thermal regimes and life-history expressions of...
Surface-water-quality data to support implementation of revised freshwater aluminum water-quality criteria in Massachusetts, 2018–19
David S. Armstrong, Jennifer G. Savoie, Leslie A. DeSimone, Kaitlin L. Laabs, Richard O. Carey
2022, Scientific Investigations Report 2021-5144
The U.S. Geological Survey, in cooperation with the Massachusetts Department of Environmental Protection, performed a study to inform the development of the department’s guidelines for the collection and use of water-chemistry data to support calculation of site-dependent aluminum criteria values. The U.S. Geological Survey collected and analyzed discrete water-quality samples...
Global genetic diversity status and trends: Towards a suite of Essential Biodiversity Variables (EBVs) for genetic composition
Sean M. Hoban, Frederick I. Archer, Laura D. Bertola, Jason G. Bragg, Martin F. Breed, Michael W. Bruford, Melinda A. Coleman, Robert Ekblom, W. Chris Funk, Catherine E. Grueber, Brian K. Hand, Rodolfo Jaffé, Evelyn Jensen, Jeremy S. Johnson, Francine Kershaw, Libby Liggins, Anna J. MacDonald, Joachim Mergeay, Joshua M. Miller, Frank Muller-Karger, David O'Brien, Ivan Paz-Vinas, Kevin M. Potter, Orly Razgour, Cristiano Vernesi, Margaret Hunter
2022, Biological Reviews (97) 1511-1538
Biodiversity underlies ecosystem resilience, ecosystem function, sustainable economies, and human well-being. Understanding how biodiversity sustains ecosystems under anthropogenic stressors and global environmental change will require new ways of deriving and applying biodiversity data. A major challenge is that biodiversity data and knowledge are scattered, biased, collected...
Bathymetric contour maps, surface area and capacity tables, and bathymetric change maps for selected water-supply lakes in northwestern Missouri, 2019 and 2020
Richard J. Huizinga, Lindi D. Oyler, Benjamin C. Rivers
2022, Scientific Investigations Map 3486
Bathymetric data were collected at 12 water-supply lakes in northwestern Missouri by the U.S. Geological Survey, in cooperation with the Missouri Department of Natural Resources and in collaboration with various local agencies, as part of a multiyear effort to establish or update the surface area and capacity tables for the...
The potential of using fiber optic distributed acoustic sensing (DAS) in earthquake early warning applications
Noha Farghal, Jessie Kate Saunders, Grace Alexandra Parker
2022, Bulletin of the Seismological Society of America (112) 1416-1435
As the seismological community embraces fiber optic distributed acoustic sensing (DAS), DAS arrays are becoming a logical, scalable option to obtain strain and ground‐motion data for which the installation of seismometers is not easy or cheap, such as in dense offshore arrays. The potential...
Hydrologic budget of the Harney Basin groundwater system, southeastern Oregon
C. Amanda Garcia, Nicholas T. Corson-Dosch, Jordan P. Beamer, Stephen B. Gingerich, Gerald H. Grondin, Brandon T. Overstreet, Jonathan V. Haynes, Mellony D. Hoskinson
2022, Scientific Investigations Report 2021-5128
Groundwater-level declines and limited quantitative knowledge of the groundwater-flow system in the Harney Basin prompted a cooperative study between the U.S. Geological Survey and the Oregon Water Resources Department to evaluate the groundwater-flow system and budget. This report provides a hydrologic budget of the Harney Basin groundwater system that...
Annual summer submersed macrophyte standing stocks estimated from long-term monitoring data in the Upper Mississippi River
Deanne C. Drake, Eric M. Lund, Rebecca M. Kreiling
2022, Journal of Fish and Wildlife Management (13) 205-222
System-scale restoration efforts within the Upper Mississippi River National Wildlife and Fish Refuge have included annual monitoring of submersed aquatic vegetation (SAV) since 1998 in four representative reaches spanning ∼ 440 river kilometers. We developed predictive models relating monitoring data (site-scale SAV abundance indices)...
Occurrence of water and thermogenic gas from oil-bearing formations in groundwater near the Orcutt Oil Field, California, USA
Robert Anders, Matthew K. Landon, Peter B. McMahon, Justin T. Kulongoski, Andrew G. Hunt, Tracy Davis
2022, Journal of Hydrology-Regional Studies (41)
Study regionSanta Barbara County, California, USA.Study focusTo analyze a wide array of newly collected chemical, isotopic, dissolved gas, and age dating tracers in conjunction with historical data from groundwater and oil wells to determine if water and/or thermogenic...
Life and death in a dynamic environment: Invasive trout, floods, and intraspecific drivers of translocated populations
Brian D Healy, Phaedra E. Budy, Mary M. Conner, Emily C. Omana Smith
2022, Ecological Applications (32)
Understanding the relative strengths of intrinsic and extrinsic factors regulating populations is a long-standing focus of ecology and critical to advancing conservation programs for imperiled species. Conservation could benefit from an increased understanding of factors influencing vital rates (somatic growth, recruitment, survival) in small, translocated populations,...
Hyperspectral remote sensing of white mica: A review of imaging and point-based spectrometer studies for mineral resources, with spectrometer design considerations
John Michael Meyer, Elizabeth A. Holley, Raymond F. Kokaly
2022, Remote Sensing of Environment (275)
Over the past ~30 years, hyperspectral remote sensing of chemical variations in white mica have proven to be useful for ore deposit studies in a range of deposit types. To better understand mineral deposits and to guide spectrometer design, this contribution reviews relevant papers from the fields of remote sensing, spectroscopy, and geology that have utilized spectral changes caused...
Environmental drivers of biseasonal anthrax outbreak dynamics in two multihost savanna systems
Yen-Hua Huang, Kyrre Kausrud, Ayesha Hassim, Sunday O. Ochai, O. Louis van Schalkwyk, Edgar H. Dekker, Alexander Buyantuev, Claudine C. Cloete, J. Werner Kilian, John K.E. Mfune, Pauline L. Kamath, Henriette van Heerden, Wendy Christine Turner
2022, Ecological Monographs (92)
Environmental factors are common forces driving infectious disease dynamics. We compared interannual and seasonal patterns of anthrax infections in two multihost systems in southern Africa: Etosha National Park, Namibia, and Kruger National Park, South Africa. Using several decades of mortality data from each system, we assessed possible transmission mechanisms behind...
Implementing a rapid deployment bridge scour monitoring system in Colorado, 2019
Mark F. Henneberg, Rodney J. Richards
2022, Scientific Investigations Report 2022-5023
The U.S. Geological Survey, in cooperation with the Colorado Department of Transportation, installed and operated real-time scour monitoring instrumentation at two bridges in Colorado in 2016 and 2017 to measure streambed elevations in real-time. The instrumentation included acoustic echosounder depth sensors mounted to the bridge substructure units with rigid conduit...
A comparison of monitoring designs to assess wildlife community parameters across spatial scales
Alexander Wright, Evan H. Campbell Grant, Elise F. Zipkin
2022, Ecological Applications (32)
Dedicated long-term monitoring at appropriate spatial and temporal scales is necessary to understand biodiversity losses and develop effective conservation plans. Wildlife monitoring is often achieved by obtaining data at a combination of spatial scales, ranging from local to broad, to understand the status, trends, and drivers of individual species or...
Global food-security-support-analysis data at 30-m resolution (GFSAD30) cropland-extent products—Download Analysis
Adam Oliphant, Prasad Thenkabail, Pardhasaradhi Teluguntla
2022, Open-File Report 2022-1001
IntroductionThe global food-security-support-analysis data at 30-meter resolution (GFSAD30) cropland-extent product is a project to provide high-resolution global cropland-extent data relating to water use. It is the first global-land-cover map focusing exclusively on agriculture with a 30-meter spatial resolution. The overarching goal of the GFSAD30 project is to produce consistent and...
Quality of surface water in Missouri, water year 2020
Camille E. Buckley
2022, Data Report 1153
The U.S. Geological Survey, in cooperation with the Missouri Department of Natural Resources, monitors stations designed for the Ambient Water-Quality Monitoring Network, a collection of stations that monitor streams and springs in Missouri. During water year 2020 (October 1, 2019, through September 30, 2020), the U.S. Geological Survey collected water-quality...
Integrating growth and survival models for flexible estimation of size-dependent survival in a cryptic, endangered snake
Jonathan P. Rose, Richard Kim, Elliot James Schoenig, Patrick C. Lien, Brian J. Halstead
2022, Ecology and Evolution (12)
Estimates of demographic rates for animal populations and individuals have many applications for ecological and conservation research. In many animals, survival is size-dependent, but estimating the form of the size–survival relationship presents challenges. For elusive species with low recapture rates, individuals’ size will be unknown at many points in time....
Importance of local weather and environmental gradients on demography of a broadly distributed temperate frog
David S. Pilliod, Rebecca M. McCaffery, Robert Arkle, Rick D. Scherer, Jacqueline B. Cupples, Lisa A. Eby, Blake R. Hossack, Hallie Lingo, Kristin N. Lohr, Bryce A. Maxell, Megan J. McGuire, Chad Mellison, Marisa K. Meyer, James C. Munger, Teri Slatauski, Rachel Van Horne
2022, Ecological Indicators (136)
Amphibian populations are sensitive to environmental temperatures and moisture, which vary with local weather conditions and may reach new norms and extremes as contemporary climate change progresses. Using long-term (11–16 years) mark-recapture data from 10 populations of the Columbia spotted frog (Rana luteiventris) from across its U.S. range, we addressed...
