Loss of ice cover, shifting phenology, and more extreme events in Northern Hemisphere lakes
Sapna Sharma, David Richardson, R. Iestyn Woolway, M.A. Imrit, Damien Bouffard, Kevin Blagrave, Julia Daly, Alessandro Filazzola, Nikolay Granin, Johanna Korhonen, John J. Magnuson, Wlodzimierz Marszelewski, Shin I Matsuzaki, William J. Perry Jr., Dale M. Robertson, Lars G. Rudstam, Gesa A. Weyhenmeyer, Huaxia Yao
2021, Journal of Geophysical Research: Biogeosciences (126)
Long-term lake ice phenological records from around the Northern Hemisphere provide unique sensitive indicators of climatic variations, even prior to the existence of physical meteorological measurement stations. Here, we updated ice phenology records for 60 lakes with time-series ranging from 107–204 years to provide the first re-assessment of...
Avian predation of juvenile Lost River and Shortnose Suckers in Upper Klamath Lake: An assessment of Sucker assisted rearing program releases during 2018–2020
Allen Evans, Quinn Payton, Nathan V Banet, Bradley M. Cramer, Caylen Kelsey, David A. Hewitt
2021, Report
To bolster recruitment in Endangered Species Act (ESA) listed Lost River Suckers (Deltistes luxatus) and Shortnose Suckers (Chasmistes brevirostris) in the Upper Klamath Basin (UKB), the U.S. Fish and Wildlife Service (USFWS) and its partners have implemented the Sucker Assisted Rearing Program (SARP). As part of this program, juvenile suckers...
Emergent biogeochemical risks from Arctic permafrost degradation
Kimberly Miner, Rachel Mackelprang, Juliana D’Andrilli, Arwyn Edwards, Michael J. Malaska, Mark P. Waldrop, Charles E. Miller
2021, Nature Climate Change (11) 809-819
The Arctic cryosphere is collapsing, posing overlapping environmental risks. In particular, thawing permafrost threatens to release biological, chemical and radioactive materials that have been sequestered for tens to hundreds of thousands of years. As these constituents re-enter the environment, they have the potential to disrupt ecosystem...
Invasion frustration: Can biotic resistance explain the small geographic range of non-native croaking gourami Trichopsis vittata (Cuvier, 1831) in Florida, USA?
Pam Schofield, Quenton M. Tuckett, Daniel Slone, Kristen Reaver, Jeffrey H. Hill
2021, Aquatic Invasions (16) 512-526
Croaking gourami Trichopsis vittata is a non-native fish species that has maintained a reproducing population in Florida, USA, since at least the 1970s. However, unlike most other non-native fishes in Florida, T. vittata has not spread beyond its very small (ca. 5 km²) range. We suspected the inability of T....
Method development for a short-term 7-day toxicity test with unionid mussels
Ning Wang, James L. Kunz, Douglas K. Hardesty, Jeffery A. Steevens, Teresa J. Norberg-King, Edward J. Hammer, Candice R. Bauer, Tom Augspurger, Suzanne Dunn, David Martinez, M. Christopher Barnhart, Jordan Murray, Marcus Bowersox, John F. Roberts, Robert B. Bringolf, Robert Ratajczak, Serena Ciparis, W. Gregory Cope, Sean B. Buczek, Daniel Farrar, Lauren May, Mailee Garton, Patricia L. Gillis, James Bennett, Joseph Salerno, Brian Hester, Richard Lockwood, Christopher Tarr, Dennis McIntyre, Jonathan Wardell
2021, Environmental Toxicology and Chemistry (40) 3392-3409
The US Environmental Protection Agency's short-term freshwater effluent test methods include a fish (Pimephales promelas), a cladoceran (Ceriodaphnia dubia), and a green alga (Raphidocelis subcapitata). There is a recognized need for additional taxa to accompany the three standard species for effluent testing. An appropriate additional taxon...
Lake Ontario 2018 coordinated science and monitoring initiative (CSMI) quagga mussel growth experiment and a lake-wide quagga mussel condition assessment
Ashley Elgin, Paul Glyshaw, Brian Weidel
2021, Report, Cooperative Science and Monitoring Initiative (CSMI) Lake Ontario 2018
No abstract available....
Quantifying Lake Ontario coregonine habitat use dynamic’s across space and time to inform assessment and restoration
Brian Weidel, Taylor Brown, Michael Connerton, Jeremy Holden, Dimitry Gorsky
2021, Report, Cooperative Science and Monitoring Initiative (CSMI) Lake Ontario 2018
No abstract available....
Characterization of water resources in the Big Lost River Basin, south-central Idaho
Lauren M. Zinsser, editor(s)
2021, Scientific Investigations Report 2021-5078
Water resources in the Big Lost River Basin, Idaho are vital to irrigated agriculture, domestic, municipal and other uses but declining groundwater levels, diminished streamflows, and concern about drought motivated an evaluation of water resources in the basin. This multichapter volume documents the findings of a hydrogeologic investigation of the...
Surface-water and groundwater interactions in the Big Lost River, south-central Idaho
Taylor J. Dudunake, Lauren M. Zinsser
2021, Scientific Investigations Report 2021-5078-B
The Big Lost River of south-central Idaho interacts with the underlying aquifer by gaining and losing streamflow throughout various areas in the Big Lost River Valley. Surface-water and groundwater resources are used throughout the valley to sustain domestic, agricultural, and livestock needs. The U.S. Geological Survey, in cooperation with the...
Ecosystem carbon balance in the Hawaiian Islands under different scenarios of future climate and land use change
Paul Selmants, Benjamin M. Sleeter, Jinxun Liu, Tamara Wilson, Clay Trauernicht, Abby G. Frazier, Gregory P. Asner
2021, Environmental Research Letters (16)
The State of Hawai'i passed legislation to be carbon neutral by 2045, a goal that will partly depend on carbon sequestration by terrestrial ecosystems. However, there is considerable uncertainty surrounding the future direction and magnitude of the land carbon sink in the Hawaiian Islands. We used the Land Use and...
Understanding genetics for successful conservation and restoration of resilient Chesapeake Bay brook trout populations
David C. Kazyak, E. M. Hallerman, Lori Maloney, Stephen Faulkner, Amy Welsh, Jason Coombs, Andrew Whiteley, Jake Rash, Shannon L. White, Meredith L. Bartron, Matt A. Kulp, Mariah Meek
2021, Report
Traditionally, fisheries management has focused on the abundance, distribution, and size structure of populations. Although these factors remain key aspects of management, a large and growing body of evidence highlights the importance of genetics in conserving wild populations, especially when populations are small and isolated (Frankham et al. 2017). Local...
Effect of an algal amendment on the microbial conversion of coal to methane at different sulfate concentrations from the Powder River Basin, USA
Heidi J. Smith, Hannah S. Schweitzer, Elliott P. Barnhart, William H. Orem, Robin Gerlach, Matthew W. Fields
2021, International Journal of Coal Geology (248)
Biogenic methane is estimated to account for one-fifth of the natural gas worldwide and there is great interest in controlling methane from different sources. Biogenic coalbed methane (CBM) production relies on syntrophic associations between fermentative bacteria and methanogenic archaea to anaerobically degrade recalcitrant coal and produce methanogenic substrates. However, very...
Compositional evolution of organic matter in Boquillas Shale across a thermal gradient at the single particle level
Justin E. Birdwell, Aaron M. Jubb, Paul C. Hackley, Javin J. Hatcherian
2021, International Journal of Coal Geology (248)
The molecular composition of petroliferous organic matter and its compositional evolution throughout thermal maturation provides insight for understanding petroleum generation. This information is critical for understanding hydrocarbon resources in unconventional reservoirs, as source rock organic matter is highly dispersed, in contact with the...
Demographic risk assessment for a harvested species threatened by climate change: Polar bears in the Chukchi Sea
Eric V. Regehr, Michael C. Runge, Andrew L. Von Duyke, Ryan R. Wilson, Lori Polasek, Karyn D. Rode, Nathan J. Hostetter, Sarah J. Converse
2021, Ecological Applications (31)
Climate change threatens global biodiversity. Many species vulnerable to climate change are important to humans for nutritional, cultural, and economic reasons. Polar bears Ursus maritimus are threatened by sea-ice loss and represent a subsistence resource for Indigenous people. We applied a novel population modeling-management framework that is based on species life history...
Optimization of salt marsh management at the Rachel Carson National Wildlife Refuge, Maine, through use of structured decision making
Hilary A. Neckles, James E. Lyons, Jessica L. Nagel, Susan C. Adamowicz, Toni Mikula, Kathleen M. O’Brien, Bri Benvenuti, Ryan Kleinert
2021, Open-File Report 2021-1080
Structured decision making is a systematic, transparent process for improving the quality of complex decisions by identifying measurable management objectives and feasible management actions; predicting the potential consequences of management actions relative to the stated objectives; and selecting a course of action that maximizes the total benefit achieved and balances...
National assessment of helium resources within known natural gas reservoirs
Sean T. Brennan, Jennifer L. Rivera, Brian A. Varela, Andy J. Park
2021, Scientific Investigations Report 2021-5085
Using available data, the U.S. Geological Survey estimated that 306 billion cubic feet of recoverable helium is presently within the known geologic natural gas reservoirs of the United States....
Development of a groundwater-simulation model in the Los Angeles Coastal Plain, Los Angeles County, California
Scott Paulinski, editor(s)
2021, Scientific Investigations Report 2021-5088
Executive SummaryThe Los Angeles Coastal Plain (LACP) covers about 580 square miles and is the largest coastal plain of semiarid southern California. The LACP is heavily developed with mostly residential, commercial, and industrial land uses that rely heavily on groundwater for water supply. In 2010, the LACP was home to...
The Mount Hood fault zone, active faulting at the crest of the dynamic Cascade Range, north-central Oregon, USA
Ian Madin, Ashley R. Streig, Scott E.K. Bennett
2021, Book chapter, From Terranes to Terrains: Geologic Field Guides on the Construction and Destruction of the Pacific Northwest
The Mount Hood fault zone is a N-trending, ~55-km-long zone of active faulting along the western margin of the Hood River graben in north-central Oregon. The Mount Hood fault zone occurs along the crest of the Cascade Range and consists of multiple active fault segments. It is presently unclear how...
Late Cenozoic paleogeographic reconstruction of the San Francisco Bay Area from analysis of stratigraphy, tectonics, and tephrochronology
Andrei Sarna-Wojcicki
2021, GSA Memoirs (217) 443-472
The Neogene stratigraphic and tectonic history of the Mount Diablo area is a consequence of the passage of the Mendocino Triple Junction (MTJ) by the San Francisco Bay area between 12 and 6 Ma, volcanism above a slab-window trailing the MTJ, and crustal transpression beginning ~8-6 Ma, when the Pacific...
Late Cenozoic tephrochronology of the Mount Diablo area within the evolving plate-tectonic boundary zone of northern California
Andrei Sarna-Wojcicki, Raymond Sullivan, Alan L. Deino, Laura Walkup, J. Ross Wagner, Elmira Wan
2021, GSA Memoirs (217) 393-441
We present a tephrochronologic/chronostratigraphic database for the Mount Diablo area and greater San Francisco Bay region that provides a spatial and temporal framework for geologic studies in the region, including stratigraphy, paleogeography,...
A decision tool to identify population management strategies for common ravens and other avian predators
Andrea Faye Currylow, Brenda Hanley, Kerry L. Holcomb, Timothy Shields, Stephen Boland, William Boarman, Mercy Vaughn
2021, Human-Wildlife Interactions (15)
Some avian species have developed the capacity to leverage resource subsidies associated with human manipulated landscapes to increase population densities in habitats with naturally low carrying capacities. Elevated corvid densities and new territory establishment have led to an unsustainable increase in depredation pressure on sympatric native wildlife prey...
Schistosome infection in Senegal is associated with different spatial extents of risk and ecological drivers for Schistosoma haematobium and S. mansoni
Isabel J. Jones, Susanne H. Sokolow, Andrew J Chamberlin, Andrea J Lund, Nicolas Jouanard, Lydie Bandagny, Raphael Ndione, Simon Senghor, Anne-Marie Schacht, Gilles Riveau, Skylar R. Hopkins, Jason R. Rohr, Justin V. Remais, Kevin D. Lafferty, Armand M. Kuris, Chelsea L. Wood, Giulio A. De Leo
2021, PLoS Neglected Tropical Diseases (15)
Schistosome parasites infect more than 200 million people annually, mostly in sub-Saharan Africa, where people may be co-infected with more than one species of the parasite. Infection risk for any single species is determined, in part, by the distribution of its obligate intermediate host snail. As...
Assessing potential groundwater-level declines from future withdrawals in the Hualapai Valley, northwestern Arizona
Jacob E. Knight, Bruce Gungle, Jeffrey R. Kennedy
2021, Scientific Investigations Report 2021-5077
A numerical groundwater flow model of the Hualapai Valley Basin in northwestern Arizona was developed to assist water-resource managers in understanding the potential effects of projected groundwater withdrawals on groundwater levels in the basin. The Hualapai Valley Hydrologic Model (HVHM) simulates the hydrologic system for the years 1935 through 2219,...
Genome-wide SNP analysis reveals multiple paternity in Burmese pythons invasive to the Greater Florida Everglades
James Skelton, Ian A. Bartoszek, Caitlin Beaver, Kristen Hart, Margaret Hunter
2021, Journal of Herpetology (55) 355-360
Reproductive strategies are an essential component of invasion ecology that influence invasion success and rates of population growth. Burmese Pythons (Python bivittatus) are large constrictor snakes that were introduced to the Greater Everglades Ecosystem of southern Florida, USA, from Asia. Since their introduction, these giant...
Shifting correlations among multiple aspects of weather complicate predicting future demography of a threatened species
Allison M Louthan, Jeffrey R. Walters, Adam Terando, Victoria Garcia, William F. Morris
2021, Ecosphere (12)
Most studies of the ecological effects of climate change consider only a limited number of weather drivers that could affect populations, though we know that multiple weather drivers can simultaneously affect population growth rate. Multiple drivers could simultaneously increase/decrease one vital rate, or one may increase...
