Implementation plan of the National Cooperative Geologic Mapping Program strategy—Great Lakes (Central Lowland and Superior Upland Physiographic Provinces)
Christopher S. Swezey, Charles D. Blome, Kevin A. Kincare, Scott C. Lundstrom, Byron D. Stone, Donald S. Sweetkind, Richard C. Berg, Steven E. Brown, John A. Yellich
2022, Open-File Report 2021-1120
IntroductionThe U.S. Geological Survey (USGS) National Cooperative Geologic Mapping Program (NCGMP) has published a strategic plan entitled “Renewing the National Cooperative Geologic Mapping Program as the Nation’s Authoritative Source for Modern Geologic Knowledge”. This plan provides the following vision, mission, and goals for the program for the years 2020–30:Vision: create...
Long-term strategic plan for the Capital Area Ground Water Conservation Commission: Phase 2A final report
Diana Di Leonardo, Alyssa Dausman, Ryan Clark, Michael C. Runge, Soupy Dalyander, Scott Hemmerling, Audrey Grismore, Jason Afinowicz, Philip Taucer, Jordan Skipwith, Frank T.-C. Tsai
2022, Report
No abstract available....
Distinct gut microbiomes in two polar bear subpopulations inhabiting different sea ice ecoregions
Megan Franz, Lyle White, Todd C. Atwood, Kristin L. Laidre, Denis Roy, Sophie Watson, Esteban Gongora, Melissa McKinney
2022, Scientific Reports (12)
Gut microbiomes were analyzed by 16S rRNA gene metabarcoding for polar bears (Ursus maritimus) from the southern Beaufort Sea (SB), where sea ice loss has led to increased use of land-based food resources by bears, and from East Greenland (EG), where persistent sea ice has allowed hunting of ice-associated prey...
Highly pathogenic avian influenza is an emerging disease threat to wild birds in North America
Andrew M. Ramey, Nichola J. Hill, Thomas J. DeLiberto, Samantha E. J. Gibbs, M. Camille Hopkins, Andrew S. Lang, Rebecca L. Poulson, Diann Prosser, Jonathan M. Sleeman, David E. Stallknecht, Xiu-Feng Wan
2022, Journal of Wildlife Management (86)
Prior to the emergence of the A/goose/Guangdong/1/1996 (Gs/GD) H5N1 influenza A virus, the long-held and well-supported paradigm was that highly pathogenic avian influenza (HPAI) outbreaks were restricted to poultry, the result of cross-species transmission of precursor viruses from wild aquatic birds that subsequently gained pathogenicity in...
Leveraging community science data for population assessments during a pandemic
Paige Howell, Patrick Devers, Orin J. Robinson, Andy Royle
2022, Ecological Applications (32)
The COVID-19 pandemic has disrupted field research programs, making conservation and management decision-making more challenging. However, it may be possible to conduct population assessments using integrated models that combine community science data with existing data from structured surveys. We developed a space-time integrated model to characterize...
North American tree migration paced by climate in the West, lagging in the East
Shubhi Sharma, Robert Andrus, Yves Bergeron, Michal Bogdziewicz, Don C. Bragg, Dale G. Brockway, Natalie L. Cleavitt, Benoit Courbaud, Adrian Das, Michael Dietze, Timothy J. Fahey, Jerry F. Franklin, Gilbert S. Gregory, Cathryn H. Greenberg, Qinfeng Guo, Janneke Hille Ris Lambers, Ines Ibanez, Jill F. Johnstone, Christopher L. Kilner, Johannes M. H. Knops, Walter D. Koenig, Georges Kunstler, Jalene M. LaMontagne, Diana Macias, Emily V. Moran, Jonathan A. Myers, Robert Parmenter, Ian Pearse, Renata Poulton-Kamakura, Miranda D. Redmond, Chantal D. Reid, Kyle C. Rodman, C. Lane Scher, William H. Schlesinger, Michael A. Steele, Nathan L. Stephenson, Jennifer J. Swenson, Margaret Swift, Thomas T. Veblen, Amy V. Whipple, Thomas G. Whitham, Andreas P. Wion, Christopher W. Woodall, Roman Zlotin, James S. Clark
2022, PNAS (119)
Tree fecundity and recruitment have not yet been quantified at scales needed to anticipate biogeographic shifts in response to climate change. By separating their responses, this study shows coherence across species and communities, offering the strongest support to date that migration is in progress with regional limitations on rates. The...
Species-specific responses to landscape features shaped genomic structure within Alaska galliformes
Sarah A. Sonsthagen, Robert E. Wilson, Sandra L. Talbot
2022, Journal of Biogeography (49) 261-273
AimConnectivity is vital to the resiliency of populations to environmental change and stochastic events, especially for cold-adapted species as Arctic and alpine tundra habitats retract as the climate warms. We examined the influence of past and current landscapes on genomic connectivity in cold-adapted galliformes as a critical...
Hydrology and water quality in 15 watersheds in DeKalb County, Georgia, 2012–16
Brent T. Aulenbach, Katharine Kolb, John K. Joiner, Andrew E. Knaak
2022, Scientific Investigations Report 2021-5126
The U.S. Geological Survey, in cooperation with DeKalb County Department of Watershed Management, established a long-term water-quantity and water-quality monitoring program in 2012 to monitor and analyze the hydrologic and water-quality conditions of 15 watersheds in DeKalb County, Georgia—an urban and suburban area located in north-central Georgia that includes the...
Main-stem seepage and base-flow recession time constants in the Niobrara National Scenic River Basin, Nebraska, 2016–18
Kellan R. Strauch, Philip J. Soenksen
2022, Scientific Investigations Report 2021-5102
The Niobrara River of northern Nebraska is a valuable water resource that sustains irrigated agriculture and recreation, as well as a diverse ecosystem. Large-quantity withdrawals from the source aquifer system have the potential to reduce the flow into the river and to adversely affect the free-flowing condition of the Niobrara...
Landscape and stocking effects on population genetics of Tennessee Brook Trout
John S. Hargrove, David C. Kazyak, Barbara A. Lubinski, Karli M. Rogers, Olivia K. Bowers, Kurt A. Fesenmyer, Jim W. Habera, Jason Henegar
2022, Conservation Genetics (23) 341-357
Throughout their range, Brook Trout (Salvelinus fontinalis) occupy thousands of disjunct drainages with varying levels of disturbance, which presents substantial challenges for conservation. Within the southern Appalachian Mountains, fragmentation and genetic drift have been identified as key threats to the genetic diversity of the Brook Trout...
Extensive species diversification and marked geographic phylogenetic structure in the Mesoamerican genus Stenopelmatus (Orthoptera: Stenopelmatidae: Stenopelmatinae) revealed by mitochondrial and nuclear 3RAD data
Jorge S. Gutiérrez, Alejandro Zaldivar-Riveron, David B Weissman, Amy G. Vandergast
2022, Invertebrate Systematics (36)
The Jerusalem cricket subfamily Stenopelmatinae is distributed from south-western Canada through the western half of the United States to as far south as Ecuador. Recently, the generic classification of this subfamily was updated to contain two genera, the western North American Ammopelmatus, and the Mexican, and central and northern...
Gas hydrates on Alaskan marine margins
Carolyn D. Ruppel, Patrick E. Hart
2022, Book chapter, World atlas of submarine gas hydrates in continental margins
Gas hydrate distributions on the marine margins of the U.S. state of Alaska are more poorly known than those on other U.S. margins, where bottom simulating reflections have been systematically mapped on marine seismic data to support modern, quantitative assessments of gas-in-place in gas hydrates. The extent of bottom simulating...
Caretta caretta (Loggerhead Sea Turtle) nesting exchange
Margaret Lamont, Jennifer S. Walker, Donna J. Shaver
2022, Herpetological Review (52) 626-627
The Northwest Atlantic population of Loggerhead Sea Turtles (Caretta caretta) is one of the largest C. caretta populations in the world and is listed as threatened. This population was divided into five genetically distinct subpopulations, including the Northern Gulf of Mexico (NGoM) subpopulation (Shamblin et al. 2017 Mar. Bio. 164:138)....
Reconstructing the paleoceanographic and redox conditions responsible for variations in uranium content in North American Devonian black shales
Michelle L. Abshire, Natascha Riedinger, John M. Clymer, Clint Scott, Silke Severmann, Stephen J. Romaniello, James O. Puckette
2022, Palaeogeography, Palaeoclimatology, Palaeoecology (587)
The uranium (U) content, and more recently, the ratio between 238U and 235U in black shales are commonly applied as a proxy to determine redox conditions and infer organic-richness. Uranium contents typically display a linear relationship with total organic carbon (TOC) in shales. This relationship is due to...
The statistical power to detect regional temporal trends in riverine contaminants in the Chesapeake Bay Watershed, USA
Tyler Wagner, Paul McLaughlin, Kelly L. Smalling, Sara E. Breitmeyer, Stephanie E. Gordon, Gregory E. Noe
2022, Science of the Total Environment (812)
Chemical contamination of riverine ecosystems is largely a result of urbanization, industrialization, and agricultural activities occurring on adjacent terrestrial landscapes. Land management activities (e.g., Best Management Practices) are an important tool used to reduce point and non-point sources of pollution. However, the ability to confidently make inferences about the efficacy...
Genetic variation in sea otters (Enhydra lutris) from the North Pacific with relevance to the threatened Southwest Alaska Distinct Population Segment
Blair G. Flannery, Ora L. Russ, Michelle St. Martin, William S. Beatty, Kristen Worman, Joel Garlich-Miller, Verena A. Gill, Patrick R. Lemons, Daniel Monson, Kimberly A. Kloecker, Daniel Esler, John Wenburg
2022, Marine Mammal Science (38) 858-880
For the sea otter (Enhydra lutris), genetic population structure is an area of research that has not received significant attention, especially in Southwest Alaska where that distinct population segment has been listed as threatened since 2005 pursuant to the U.S. Endangered Species Act. In this study,...
Effects of stream intermittency on minnow (Leuciscidae) and darter (Percidae) trophic dynamics in an agricultural watershed
Christine E. Fallon, Krista A. Capps, Mary Freeman, Chelsea R. Smith, Stephen W. Golladay
2022, Ecology of Freshwater Fishes (31) 544-558
Stream intermittency is predicted to increase where water withdrawals and climate warming are increasing. In regions coupled with high fish diversity, understanding how intermittency influences fish trophic ecology is critical for informing ecosystem function. This study compared fish diets across seasons in perennial and intermittent streams...
Using fish community and population indicators to assess the biological condition of streams and rivers of the Chesapeake Bay watershed, USA
Kelly O. Maloney, Kevin P. Krause, Matthew J. Cashman, Wesley M. Daniel, Benjamin P. Gressler, Daniel J. Wieferich, John A. Young
2022, Ecological Indicators (134)
The development of indicators to assess relative freshwater condition is critical for management and conservation. Predictive modeling can enhance the utility of indicators by providing estimates of condition for unsurveyed locations. Such approaches grant understanding of where “good” and “poor” conditions occur and provide insight into landscape contexts supporting such conditions....
A review of algal toxin exposures on reserved federal lands and among trust species in the United States
Zachary R. Laughrey, Victoria Christensen, Robert J. Dusek, Sarena Senegal, Julia S. Lankton, Tracy Ziegler, Lee C. Jones, Daniel K. Jones, Brianna Williams, Stephanie E. Gordon, Gerald A. Clyde, Erich B Emery, Keith A. Loftin
2022, Critical Reviews in Environmental Science and Technology (52) 4284-4307
Associated health effects from algal toxin exposure are a growing concern for human and animal health. Algal toxin poisonings may occur from contact with or consumption of water supplies or from ingestion of contaminated animals. The U.S. Federal Government owns or holds in trust about 259 million...
Seismotectonic analysis of the 2019–2020 Puerto Rico sequence: The value of absolute earthquake relocations in improved interpretations of active tectonics
C.W. Cromwell, K.P. Furlong, E.A. Bergman, Harley M. Benz, William L. Yeck, M. Herman
2022, Seismological Research Letters (93) 544-554
We present a new catalog of calibrated earthquake relocations from the 2019–2020 Puerto Rico earthquake sequence related to the 7 January 2020 Mw 6.4 earthquake that occurred offshore of southwest Puerto Rico at a depth of 15.9 km. Utilizing these relocated earthquakes and associated moment tensor...
Review of ESA SYMP 7: A dynamic perspective on ecosystem restoration–establishing temporal connectivity at the intersection between paleoecology and restoration ecology
Rachel Reid, Jenny McGuire, Jens-Christiane Svenning, G. Lynn Wingard, David Moreno-Mateos
2022, Bulletin Ecological Society of America (103)
Landscape connectivity is vital not only spatially, but also temporally; as ecosystems change, it is important to be aware of past, present, and future variables that may impact ecosystem function and biodiversity. As climate and environments continue to change, choosing appropriate restoration targets is becoming more challenging. By considering the...
Factors Affecting Groundwater Quality Used for Domestic Supply in Marcellus Shale Region of North-Central and North-East Pennsylvania, USA
Charles A. Cravotta III, Lisa A. Senior, Matthew D. Conlon
2022, Applied Geochemistry (137)
Factors affecting groundwater quality used for domestic supply within the Marcellus Shale footprint in north-central and north-east Pennsylvania are identified using a combination of spatial, statistical, and geochemical modeling. Untreated groundwater, sampled during 2011–2017 from 472 domestic wells within the study...
Correspondence analysis for mineral commodity research: An example workflow for mineralized calderas, southwest United States
Joshua Mark Rosera, Drew S Coleman
2022, Natural Resources Research (31) 9-36
Historical mine and mineral deposit datasets are routinely used to inform quantitative mineral assessment models, but they also can contain a wealth of supplementary qualitative information that is generally underutilized. We present a workflow that uses correspondence analysis, an exploratory tool commonly applied to multivariate abundance...
Downhill from Austin and Ely to Las Vegas: U-Pb detrital zircon suites from the Eocene–Oligocene Titus Canyon Formation and associated strata, Death Valley, California
Elizabeth L. Miller, Mark Raftrey, Jens-Erik Lundstern
2022, GSA Special Papers (555)
In a reconnaissance investigation aimed at interrogating the changing topography and paleogeography of the western United States prior to Basin and Range faulting, a preliminary study made use of U-Pb ages of...
New insights on faulting and intrusion processes during the June 2007, East Rift Zone eruption of Kilauea volcano, Hawai'i
J. Leeburn, C. Wauthier, Emily K. Montgomery-Brown, J. Gonzalez-Santana
2022, Journal of Volcanology and Geothermal Research (421)
The East Rift Zone (ERZ) of Kīlauea Volcano, Hawai'i, represents one of the most volcanically active regions in the world. The 2007 Father's Day (FD) dike intrusion, eruption, and accompanying slow-slip event (SSE) has been previously modeled using geodetic data to constrain the geometry of the intrusion and the timing...
