Critical shallow and deep hydrologic conditions associated with widespread landslides during a series of storms between February and April 2018 in Pittsburgh and vicinity, western Pennsylvania, USA
Francis Ashland
2021, Landslides (18) 2159-2174
The potential for widespread landslides is generally increased when extraordinary wet periods occur during times of elevated subsurface hydrologic conditions. A series of storms in early 2018 in Pittsburgh, Pennsylvania, overlapped with a period of increased shallow soil moisture and rising bedrock groundwater levels resulting from seasonally diminished evapotranspiration and...
Slow recovery of headwater-stream fishes following a catastrophic poisoning event
Mary Freeman, Duncan Elkins, Peter Maholland, Zachary Butler, Maxwell Kleinhans, Jonathan Skaggs, Edward Stowe, Carrie A. Straight, Seth J. Wenger
2021, Journal of Fish and Wildlife Management (12) 362-372
Accidental spills of chemicals and other pollutants can decimate populations of stream-dwelling species. Recovery from such accidents can be relatively fast and complete when the affected stream reaches can be recolonized from upstream and downstream sources. However, faunal recoveries from accidental spills that extirpate populations...
The role of behavioral ecotoxicology in environmental protection
Alex T. Ford, Marlene Agerstrand, Bryan W. Brooks, Joel Allen, Michael G. Bertram, Tomas Brodin, ZhiChao Dang, Sabine Duquesne, Rene Sahm, Frauke Hoffmann, Henner Hollert, Stefanie Jacob, Nils Kluver, James M. Lazorchak, Mariana Ledesma, Steven D. Melvin, Silvia Mohr, Stephanie Padilla, Gregory G. Pyle, Stefan Scholz, Minna Saaristo, Els Smit, Jeffery A. Steevens, Sanne van den Berg, Werner Kloas, Bob B.M. Wong, Michael Ziegler, Gerd Maack
2021, Environmental Science & Technology (55) 5620-5628
For decades, we have known that chemicals affect human and wildlife behavior. Moreover, due to recent technological and computational advances, scientists are now increasingly aware that a wide variety of contaminants and other environmental stressors adversely affect organismal behavior and subsequent ecological outcomes in terrestrial and aquatic ecosystems. There is...
Remote ecological monitoring with smartphones and tasker
Therese M. Donovan, Cathleen Balantic, Jonathan Katz, Mark Massar, Randy Knutson, Kara Duh, Peter Jones, Keith Epstein, Julien Lacasse-Roger, João Dias
2021, Journal of Fish and Wildlife Management (12) 163-173
Researchers have increasingly used autonomous monitoring units to record animal sounds, track phenology with timed photographs, and snap images when triggered by motion. We piloted the use of smartphones to monitor wildlife in the Riverside East Solar Energy Zone (California) and at Indiana Dunes National Park (Indiana). For both efforts,...
Geology of the Payette National Forest and vicinity, west-central Idaho
Karen Lund
2021, Professional Paper 1666
Before the Late Cretaceous, the eastern and western parts of the geologically complex Payette National Forest, as divided by the Salmon River suture, had fundamentally different geologic histories. The eastern part is underlain by Mesoproterozoic to Cambrian(?) rocks of the Laurentian (Precambrian North American) continent. Thick Mesoproterozoic units, which are...
Hibernation behavior of a federally-threatened ground squirrel: Climate change and habitat selection implications
Amanda R. Goldberg, Courtney J. Conway
2021, Journal of Mammalogy (102) 574-587
Hibernation is an adaptation to survive periods of stress, from food limitation or harsh thermal conditions. A key question in contemporary ecology is whether rare, range-restricted species can change their behavior in response to climate change (i.e., through behavioral plasticity). The northern Idaho ground squirrel, Urocitellus brunneus (A. H. Howell, 1928), is...
Oregon and Landsat
U.S. Geological Survey
2021, Fact Sheet 2021-3021
Oregon’s landscape is as complex and diverse as it is beautiful. Mountain peaks in the Cascade Range soar higher than 10,000 feet. Crater Lake sinks to a depth of 1,943 feet, making it the deepest lake in the United States. Oregon’s lands feature forests, farm fields, grasslands, ocean coastline, rivers,...
The productivity of Cascadia aftershock sequences
Joan S. Gomberg, Paul Bodin
2021, Bulletin of the Seismological Society of America (111) 1494-1507
This study addresses questions about the productivity of Cascadia mainshock–aftershock sequences using earthquake catalogs produced by the Geological Survey of Canada and the Pacific Northwest Seismic Network. Questions concern the likelihood that future moderate to large intermediate depth intraslab earthquakes in Cascadia would have as few detectable aftershocks as those...
Gonad size measured by ultrasound to assign stage of maturity in Burbot
Lauren M. McGarvey, Jason E. Ilgen, Molly A. H. Webb, Christopher S. Guy, Jason G. McLellan
2021, Journal of Fish and Wildlife Management (12) 241-249
We measured gonad size (diameter and circumference) by ultrasound and used it as a metric to assign stage of maturity in Burbot Lota lota from Lake Roosevelt, Washington. We collected paired gonad tissue and ultrasound measurements monthly from November 2017 to March 2018 and processed gonad tissue for histological analysis to confirm...
Integrating ecological impacts: Perspectives on drought in the Upper Missouri Headwaters, Montana, United States
Amanda E. Cravens, Jamie McEvoy, Dionne Zoanni, Shelley Crausbay, Aaron R. Ramirez, Ashley E. Cooper
2021, Weather, Climate and Society (2) 363-376
Drought is a complex challenge experienced in specific locations through diverse impacts, including ecological impacts. Different professionals involved in drought preparedness and response approach the problem from different points of view, which means they may...
Regional calibration of hybrid ground‐motion simulations in moderate seismicity areas: Application to the Upper Rhine Graben
Hoby N. T. Razafindrakoto, Fabrice Cotton, Dino Bindi, Marco Pilz, Robert Graves, Sanjay Bora
2021, Bulletin of the Seismological Society of America (111) 1422-1444
This study presents the coupling of the spectral decomposition results for anelastic attenuation, stress drop, and site effects with the Graves‐Pitarka (GP) hybrid ground‐motion simulation methodology, as implemented on the Southern California Earthquake Center (SCEC) broadband platform (BBP). It is targeted to applications in the...
An ecohydrological typology for thermal refuges in streams and rivers
C. Sullivan, J. Vokoun, A. M. Helton, Martin A. Briggs, B. Kurylyk
2021, Ecohydrology (14)
Thermal refuges are thermally distinct riverscape features used by aquatic organisms during unfavorable thermal events, facilitating resilience in marginal environments. However, the thermal refuge concept is nebulous, and the often interchangeable use of the term ‘thermal refugia’ creates additional ambiguity. We argue that lexical differences resulting from divergent scholarly trainings...
Golden Eagle
Todd E. Katzner, Michael N. Kochert, Karen Steenhof, Carol L. McIntyre, Erica H. Craig, Tricia A. Miller
2021, Book chapter, Birds of the world
The Golden Eagle inhabits a wide range of latitudes and habitats throughout the Palearctic and into northern Africa, where it is largely resident. In North America, its breeding distribution includes most of Canada and Alaska, as well as the western half of the United States and northern and western Mexico....
Geophysical and video logs of selected wells at and near the former Naval Air Warfare Center Warminster, Bucks County, Pennsylvania, 2017-19
Lisa A. Senior, J. Alton Anderson, Philip H. Bird
2021, Open-File Report 2021-1025
The U.S. Geological Survey (USGS) collected borehole geophysical and video logs in 17 open-hole wells in Northampton, Warminster, and Warwick Townships, Bucks County, Pennsylvania during 2017–19 to support detailed groundwater investigations at and near the former Naval Air Warfare Center (NAWC) Warminster, where groundwater contamination with per- and polyfluoroalkyl substances...
Evidence for the use of mucus swabs to detect Renibacterium salmoninarum in brook trout
Tawni B. Riepe, Victoria Vincent, Vicki Milano, Eric R. Fetherman, Dana L. Winkelman
2021, Pathogens (10)
Efforts to advance fish health diagnostics have been highlighted in many studies to improve the detection of pathogens in aquaculture facilities and wild fish populations. Typically, the detection of a pathogen has required sacrificing fish; however, many hatcheries have valuable and sometimes irreplaceable broodstocks, and lethal sampling is undesirable. Therefore,...
The effects of urban land cover dynamics on urban heat Island intensity and temporal trends
George Z. Xian, Hua Shi, Roger F. Auch, Kevin Gallo, Qiang Zhou, Zhuoting Wu, Michael Kolian
2021, GIScience & Remote Sensing (58) 501-515
Assessments of surface urban heat island (UHI) have focused on using remote sensing and land cover data to quantify UHI intensity and spatial distribution within a certain time period by including land cover information. In this study, we implemented a prototype approach to characterize the spatiotemporal...
Foraging in marine habitats increases mercury concentrations in a generalist seabird
Corey A. Clatterbuck, Rebecca L. Lewison, Rachael A Orben, Josh T. Ackerman, Leigh G Torres, Robert M. Suryan, Peter Warzybok, Jaime Jahncke, Scott A. Shaffer
2021, Chemosphere (279)
Methylmercury concentrations vary widely across geographic space and among habitat types, with marine and aquatic-feeding organisms typically exhibiting higher mercury concentrations than terrestrial-feeding organisms. However, there are few model organisms to directly compare mercury concentrations as a result of foraging in marine, estuarine, or terrestrial food webs. The ecological impacts of...
Linking climate niches across seasons to assess population vulnerability in a migratory bird
Kristen Ruegg, Eric Anderson, Marius Somveille, Rachael A. Bay, Mary J. Whitfield, Eben H. Paxton, Thomas B. Smith
2021, Global Change Biology (27) 3519-3531
Global loss of biodiversity has placed new urgency on the need to understand factors regulating species response to rapid environmental change. While specialists are often less resilient to rapid environmental change than generalists, species-level analyses may obscure the extent of specialization when locally adapted populations vary...
Regression relations and long-term water-quality constituent concentrations, loads, yields, and trends in the North Fork Ninnescah River, south-central Kansas, 1999–2019
Ariele R. Kramer, Brian J. Klager, Mandy L. Stone, Patrick J. Eslick-Huff
2021, Scientific Investigations Report 2021-5006
Cheney Reservoir, in south-central Kansas, is the primary water supply for the city of Wichita, Kansas. The North Fork Ninnescah River is the largest tributary to Cheney Reservoir and contributes about 70 percent of the inflow. The U.S. Geological Survey, in cooperation with the City of Wichita, has been continuously...
Abundance of a recently discovered Alaskan rhodolith bed in a shallow, seagrass-dominated lagoon
David H. Ward, Courtney Amundson, Patrick Fitzmorris, Damian M. Menning, Joel Markis, Kristine M. Sowl, Sandra C. Lindstrom
2021, Botanica Marina (64) 119-127
Rhodoliths are important foundation species of the benthic photic zone but are poorly known and rarely studied in Alaska. A bed of Lithothamnion soriferum rhodoliths was discovered in 2008 in Kinzarof Lagoon, Alaska, a shallow-water embayment dominated by eelgrass (Zostera marina). Rhodolith presence and biomass were estimated to...
Predicted vulnerability of carbon in permafrost peatlands With future climate change and permafrost thaw in western Canada
Claire C. Treat, Miriam C. Jones, Jay R. Alder, A. Britta K. Sannel, Philip Camill, Steve Frolking
2021, JGR Biogeosciences (126)
Climate warming in high-latitude regions is thawing carbon-rich permafrost soils, which can release carbon to the atmosphere and enhance climate warming. Using a coupled model of long-term peatland dynamics (Holocene Peat Model, HPM-Arctic), we quantify the potential loss of carbon with future climate warming for six sites with differing climates...
A tribute to Edward Perry Glenn (1947–2017), who created a legacy of environmental assessment and applications within hydrological processes
Pamela L. Nagler, Matthew K. Chew, Kevin Fitzsimmons, Charles van Riper
2021, Hydrological Processes (35)
This issue of Hydrological Processes is dedicated to Dr. Edward P. Glenn, a frequent contributor to the journal, who suddenly passed away in late 2017. The articles within this volume are by a number of his former co-authors and others who have been greatly influenced by...
Delineation of the freshwater-saltwater interface on southwestern Long Island, New York, through use of surface and borehole geophysical methods
Frederick Stumm, Michael D. Como, Marie A. Zuck
2021, Conference Paper
The U.S. Geological Survey used surface and borehole geophysical methods to delineate the freshwater-saltwater interface in coastal plain aquifers along the southwestern part of Long Island, New York. Over pumping of groundwater in the early 20th century combined with freshwater-saltwater interfaces at the coastline created saltwater intrusion in the upper...
Acoustic tag retention and tagging mortality of juvenile cisco Coregonus artedi
James E. McKenna Jr., Suresh Sethi, Grant Marvin Scholten, Jeremy W. Kraus, Marc Chalupnicki
2021, Journal of Great Lakes Research (47) 937-942
Release of hatchery-reared juvenile cisco (Coregonus artedi) is an important tool for recovering Great Lakes populations, but post-release survival is unknown. Telemetry using small acoustic tags provides opportunities to assess the efficacy of hatchery-reared fish releases. However, better understanding of the tolerance of juvenile cisco to acoustic tags is needed. Juvenile cisco...
Nitrogen biogeochemistry in a boreal headwater stream network in interior Alaska
Richard L. Smith, Deborah A. Repert, Joshua C. Koch
2021, Science of the Total Environment (764)
High latitude, boreal watersheds are nitrogen (N)-limited ecosystems that export large amounts of organic carbon (C). Key controls on C cycling in these environments are the biogeochemical processes affecting the N cycle. A study was conducted in Nome Creek, an upland headwater tributary of the Yukon River,...
