Exploring the role of cryptic nitrogen fixers in terrestrial ecosystems: A frontier in nitrogen cycling research
Cory Cleveland, Carla R. G. Reis, Steven Perakis, Katherine A Dynarski, Sarah Batterman, Timothy Crews, Maga Gei, Michael Gundale, Duncan Menge, Mark Peoples, Sasha C. Reed, Verity Salmon, Fiona M. Soper, Benton Taylor, Monica Turner, Nina Wurzburger
2022, Ecosystems (25) 1653-1669
Biological nitrogen fixation represents the largest natural flux of new nitrogen (N) into terrestrial ecosystems, providing a critical N source to support net primary productivity of both natural and agricultural systems. When they are common, symbiotic associations between plants and bacteria can add more than 100 kg N ha−1 y−1 to ecosystems. Yet, these associations...
Adult white-tailed deer survival in hunted populations on public and private lands
Kevyn H. Wiskirchen, T.C. Jacobsen, S.S. Ditchkoff, S. Demarais, J. Barry Grand
2022, Wildlife Society Bulletin (47)
Estimates of sex- and age-specific survival are important for guiding population management decisions for white-tailed deer (Odocoileus virginianus). However, differences in deer survival between public and private lands can exist and, if unaccounted for, may affect wildlife agencies' ability to effectively manage statewide and local deer populations. From 2014 to...
In situ soil moisture sensors in undisturbed soils
Todd Caldwell, Michael H. Cosh, Steven R. Evett, Nathan Edwards, Heather Hofman, Bradley Illston, Tilden P. Meyers, Marina Skumanich, Kent Sutcliffe
2022, Journal of Visualized Experiments
Soil moisture directly affects operational hydrology, food security, ecosystem services, and the climate system. However, the adoption of soil moisture data has been slow due to inconsistent data collection, poor standardization, and typically short record duration. Soil moisture, or quantitatively volumetric soil water content (SWC), is measured using buried, in...
Carbon and carbon storage in the national wilderness preservation system of the conterminous United States
Daniel W McCollum, Michael H Hand, Pamela M Froemke, Christopher Huber
2022, Report, A perpetual flow of benefits: Wilderness economic values in an evolving, multicultural society
No abstract available....
Rainforest carnivore ecology in a managed forest reserve: Differential seasonal correlates between habitat components and relative abundance
Lauren N. Watine, Emma V. Willcox, Joseph D. Clark, Craig A. Harper
2022, Biological Conservation (276)
Studies of relationships between seasons and Neotropical carnivore distributions tend to focus on water and prey availability without considering other habitat components such as escape, foraging, and resting cover. Our goal was to evaluate habitat characteristics that may be important...
Evaluation of fish behavior at the entrances to a Selective Water Withdrawal structure in Lake Billy Chinook, Oregon, 2021
Collin D. Smith, Tyson W. Hatton
2022, Open-File Report 2022-1098
Imaging sonar was used to assess the behavior, abundance, and timing of fish at the entrances to the Selective Water Withdrawal (SWW) intake structure located in the forebay of Round Butte Dam, Oregon during the spring of 2021. The purposes of the SWW are (1) to direct surface currents...
Spatial analysis of globally detected volcanic lightning from the June 2019 eruption of Raikoke volcano, Kuril Islands
Cassandra M. Smith, Alexa R. Van Eaton, David J. Schneider, Larry G. Mastin, Robin S. Matoza, Kathleen McKee, Sean Maher
2022, Volcanica (5) 385-395
The 21–22 June 2019 eruption of Raikoke volcano, Russia, provided an opportunity to explore how spatial trends in volcanic lightning locations provide insights into pulsatory eruption dynamics. Using satellite-derived plume heights, we examine the development of lightning detected by Vaisala’s Global Lightning Dataset (GLD360) from eleven, closely spaced eruptive pulses. Results from...
Investigating impacts of small dams and dam removal on dissolved oxygen in streams
Katherine M. Abbott, Peter A. Zaidel, Allison H. Roy, Kristopher M. Houle, Keith H. Nislow
2022, PLoS ONE (17)
Small surface-release dams are prevalent across North American watersheds and can alter stream flow, thermal regimes, nutrient dynamics, and sediment transport. These dams are often implicated as a cause of negative water quality impacts—including reduced dissolved oxygen (DO)—and dam removal is increasingly employed to restore natural stream processes and improve...
Preliminary national-scale seismic risk assessment of natural gas pipelines in the United States
N. Simon Kwong, Kishor S. Jaiswal, Nico Luco, J. W. Baker, K. A. Ludwig
2022, Conference Paper, Lifelines 2022
Although the gas pipeline infrastructure in the United States is vulnerable to the seismic hazards of (i) strong ground shaking, and (ii) ground failures induced by surface faulting, liquefaction, or landslides, limited national guidance exists for operators to consistently evaluate the earthquake response of their pipelines. To provide additional information...
Assessing direct and indirect long-term economic impacts from earthquakes to the U.S. National Bridge Inventory
Kishor S. Jaiswal, N. Simon Kwong, Doug Bausch, David J. Wald, Kuo-wan Lin, Sharon Yen, Jerry Shen, Jeffrey Ger
2022, Conference Paper, Lifelines 2022
Using the 2018 National Seismic Hazard Model and the 2018 National Bridge Inventory, an annualized earthquake loss (AEL) study was conducted for approximately 610,000 bridges in the conterminous United States, quantifying both direct and indirect economic losses. The typical AEL framework has been augmented with new replacement unit cost data...
Distribution and demography of Southwestern Willow Flycatchers in San Diego County, 2015–19
Scarlett L. Howell, Barbara E. Kus, Shannon M. Mendia
2022, Open-File Report 2022-1082
We surveyed for Southwestern Willow Flycatchers (Empidonax traillii extimus; flycatcher) at 33 locations along multiple drainages in San Diego County, including portions of Agua Hedionda Creek, Cottonwood Creek, Escondido Creek, Los Penasquitos Creek, Otay River, San Diego River, San Dieguito River, San Luis Rey River, Sweetwater River, and Tijuana River....
Economic consequences of the HayWired earthquake scenario
Ian Sue Wing, Dan Wei, Adam Rose, Anne Wein
2022, Conference Paper, Lifelines 2022
This study evaluates the economic impacts of a Mw7.0 Hayward fault scenario earthquake on the greater San Francisco Bay Region’s economy and the California economy as a whole using a detailed multiregional, static computable general equilibrium model. Economic impacts in terms of Gross Regional Product (GRP) losses caused by both capital...
Applying consequence-driven scenario selection to lifelines
Yolanda C Lin, David J. Wald, Eric M. Thompson, David Lallemant
2022, Conference Paper, Lifelines
We present a new consequence-driven framework for earthquake scenario selection. For emergency managers, utility operators, policy makers, and other stakeholders, a scenario-based seismic risk assessment is often necessary for the purpose of emergency management and planning. In developing a scientifically defensible scenario, stakeholders can simulate a realistic event in order...
Conduit processes in crystal-rich dacitic magma and implications for eruptive cycles at Guagua Pichincha volcano, Ecuador
Mathieu Colombier, Benjamin Bernard, Heather M. Wright, Jean-Luc Le Pennec, Francisco Caceres, Corrado Cimarelli, Michael J. Heap, Pablo Samaniego, Jeremie Vasseur, Donald B. Dingwell
2022, Bulletin of Volcanology (84)
Stratovolcanoes are commonly characterised by cyclic eruptive activity marked by transitions between dome-forming, Vulcanian, Subplinian and Plinian eruptions. Guagua Pichincha volcano (Ecuador) has been a location of such cyclicity for the past ~ 2000 years, with Plinian eruptions in the first and tenth centuries AD (Anno Domini/after Christ), and CE (Common Era)...
Grasshopper species composition differs between prairie dog colonies and undisturbed sites in a sagebrush grassland
Ian Pearse, Courtney J. Duchardt, Lillian Legg, Lauren M. Porensky
2022, Journal of the Kansas Entomological Society (94) 183-198
Grasshoppers are major consumers of plant biomass in grassland and shrubland ecosystems. While often considered generalists, grasshopper species have differing habitat preferences and interactions with other consumers in grasslands. There are conflicting accounts of how prairie dog colonies and differences in vegetation impact grasshopper abundance...
Bacteria common to rhizosphere communities of Asiatic bittersweet across a post-glacial landscape
Cindy H. Nakatsu, Noel B. Pavlovic, Muruleedhara Byappanahalli
2022, Frontiers of Ecology and Evolution (10) 15
Invasive plants such as Asiatic bittersweet (Celastrus orbiculatus Thunb.) are a significant problem for land managers as they impact plant species composition, disrupt nutrient dynamics and structure of native ecosystems, and are difficult to eradicate. As a result of the increasing abundance of Asiatic bittersweet across the eastern U.S.,...
Evaluate propagation efforts and determine dispersal patterns for Quadrula fragosa from tagged, artificially infested host fish (Ictalurus punctatus) in the St. Croix National Scenic Riverway (SACN)
Michelle Bartsch
2022, Report
The St. Croix National Scenic Riverway (SACN) has been the site of propagation and restoration efforts for two federally endangered unionid mussels: Higgins’ Eye, Lampsilis higginsii and Winged Mapleleaf (WML), Quadrula fragosa. Since about 2000, government agencies have collaboratively developed techniques to successfully propagate Higgins’ Eye and reintroduce the captive-reared...
Lithology and disturbance drive cavefish and cave crayfish occurrence in the Ozark Highlands ecoregion
Joshua B. Mouser, Shannon K. Brewer, Matthew L. Niemiller, Robert Mollenhauer, Ronald A. Van Den Bussche
2022, Scientific Reports (12)
Diverse communities of groundwater-dwelling organisms (i.e., stygobionts) are important for human wellbeing; however, we lack an understanding of the factors driving their distributions, making it difficult to protect many at-risk species. Therefore, our study objective was to determine the landscape factors related to the occurrence of cavefishes and cave crayfishes...
Evaluating noninvasive methods for estimating cestode prevalence in a wild carnivore population
E E Brandell, M.K. Jackson, Paul C. Cross, A.J. Piaggio, D. R. Taylor, Douglas W. Smith, B Boufana, Daniel R. Stahler, PJ Hudson
2022, PLoS ONE (17)
Helminth infections are cryptic and can be difficult to study in wildlife species. Helminth research in wildlife hosts has historically required invasive animal handling and necropsy, while results from noninvasive parasite research, like scat analysis, may not be possible at the helminth species or individual host...
Assessing per- and polyfluoroalkyl substances (PFAS) in sediments and fishes in a large, urbanized estuary and the potential human health implications
Erin L. Pulster, Kylee Rullo, Sherryl Gilbert, Thomas M. Ash, Barbara Goetting, Kevin Campbell, Sara Markham, Steven A. Murawski
2022, Frontiers in Marine Science (9)
The primary source of chronic exposures to per- and polyfluoroalkyl substances (PFASs) in humans is through the ingestion of contaminated foods and drinking water, with fish and other seafood being a major contributor. Nevertheless, there is scant literature on the dietary exposure to PFASs for the general United States...
Introduction to the special issue on fire impacts on hydrological processes
Artemi Cerdà, Brian A. Ebel, Dalila Serpa, Lubomir Lichner
2022, Journal of Hydrology and Hydromechanics (70) 385-387
Fire has been present on the Earth since vegetation began colonizing the continents (Santos et al., 2017). The role of fire on terrestrial sedimentation processes was already highlighted by Schumm (1968) in his pioneering research to understand the detachment, transport, and sedimentation of material on the Planet. The use of...
Collections management plan for the U.S. Geological Survey Woods Hole Coastal and Marine Science Center samples repository
Brian J. Buczkowski
2022, Scientific Investigations Report 2022-5106
Since 2002, the Woods Hole Coastal and Marine Science Center Samples Repository has been supporting U.S. Geological Survey research by providing secure storage for geological, geochemical, and biological samples, organizing and actively inventorying these sample collections, and providing researchers access to these scientific collections for study and reuse. Over the...
The humane capture, handling, and disposition of migratory birds
Jennifer Miller, Jason Suckow, Antonio Celis-Murillo, Brian Washburn, Brian Milsap, Margaret Pepper, Arthur McCollum, Michael Biegier
2022, Report
The purpose of this document is to provide guidance on the humane capture, handling, and care of migratory birds trapped for any purpose. It is intended for wildlife managers, regulatory personnel, and individuals that handle or authorize handling of live-captured migratory birds. The U.S. Fish and Wildlife Service –...
Towards real-time probabilistic ash deposition forecasting for New Zealand
Rosa Transcoso, Yannik Behr, Tony Hurst, Natalia I. Deligne
2022, Journal of Applied Volcanology (11)
Volcanic ashfall forecasts are highly dependent on eruption source parameters (ESPs) and synoptic weather conditions at the time and location of the eruption. In New Zealand, MetService and GNS Science have been jointly developing an ashfall forecast system that incorporates four-dimensional high-resolution numerical weather prediction (NWP)...
Evidence of active Quaternary deformation on the Great Valley fault system near Winters, northern California
Charles Cashman Trexler, Alexander E. Morelan, Rufus D. Catchings, Mark Goldman, Jack Willard
2022, The Seismic Record (2) 248-259
The Great Valley fault system defines the tectonic boundary between the Coast Ranges and the Central Valley in California, is active throughout the Quaternary, and has been the source of several significant (M > 6) historic earthquakes, including the 1983 M 6.5 Coalinga earthquake and the...
