Viral-like particles are associated with endosymbiont pathology in Florida corals affected by stony coral tissue loss disease
Thierry M. Work, Tina M. Weatherby, Jan H. Landsberg, Yasunaru Kiryu, Samantha M. Cook, Esther C. Peters
2021, Frontiers in Marine Science (8)
Stony coral tissue loss disease (SCTLD) was first documented in 2014 near the Port of Miami, Florida, and has since spread north and south along Florida’s Coral Reef, killing large numbers of more than 20 species of coral and leading to the functional extinction of at least one...
Testing models of Laramide orogenic initiation by investigation of Late Cretaceous magmatic-tectonic evolution of the central Mojave sector of the California arc
R.C Economos, Andrew P. Barth, J.L. Wooden, S. R Paterson, Brody Friesenhahn, B.A Weigand, J.L. Anderson, J.L. Roell, E.F. Palmer, A.J. Ianno, Keith A. Howard
2021, Geosphere (17) 2042-2061
The Mojave Desert region is in a critical position for assessing models of Laramide orogenesis, which is hypothesized to have initiated as one or more seamounts subducted beneath the Cretaceous continental margin. Geochronological and geochemical characteristics of Late Cretaceous magmatic products provide the opportunity to test the validity of Laramide...
The Boreal-Arctic Wetland and Lake Dataset (BAWLD)
David Olefeldt, Mikael Hovemyr, M.A. Kuhn, D Bastviken, T.J. Bohn, J. Connolly, P.M. Crill, E.S. Euskirchen, S.A. Finkelstein, H. Genet, G. Grosse, L.I. Harris, L. Heffernan, M. Helbig, G. Hugelium, R. Hutchins, S. Juutinen, M.J. Lara, A. Malhotra, Kristen L. Manies, A.D. McGuire, S.M. Natali, J. A. O’Donnell, F-J.W. Parmentier, A. Rasanen, C. Schaedel, O. Sonnentag, M. Strack, S.E. Tank, C. C. Treat, R.K. Varner, T. Virtanen, J.D. Watts, R.K. Warren
2021, Earth System Science Data (13) 5127-5149
Methane emissions from boreal and arctic wetlands, lakes, and rivers are expected to increase in response to warming and associated permafrost thaw. However, the lack of appropriate land cover datasets for scaling field-measured methane emissions to circumpolar scales has contributed to a large uncertainty for our understanding of present-day and...
Regression models for estimating sediment, nutrient concentrations and loads at School Branch at Brownsburg, Indiana, June 2015 through February 2019
Myles S. Downhour, Aubrey R. Bunch, Timothy R. Lathrop
2021, Scientific Investigations Report 2021-5099
Sediment and nutrient transport in the School Branch watershed (in central Indiana west of Indianapolis) is considered to be heavily affected by agricultural land use throughout the watershed. In 2015, the U.S. Geological Survey, in cooperation with the Indiana Department of Environmental Management, deployed continuous water-quality monitors and began collecting...
Groundwater/surface-water interactions in the Partridge River Basin and evaluation of hypothetical future mine pits, Minnesota
Megan J. Haserodt, Randall J. Hunt, Michael N. Fienen, Daniel T. Feinstein
2021, Scientific Investigations Report 2021-5038
The Partridge River Basin (PRB) covers 156 square miles in northeastern Minnesota with headwaters in the Mesabi Iron Range. The basin is characterized by extensive wetlands, lakes, and streams in poorly drained and often thin glacial material overlying Proterozoic bedrock. To better understand the interaction between these extensive surface water...
Monitoring and modeling tree bat (Genera: Lasiurus, Lasionycteris) occurrence using acoustics on structures off the mid-Atlantic coast—Implications for offshore wind development
Michael C. True, Richard J. Reynolds, W. Mark Ford
2021, Animals (11)
In eastern North America, “tree bats” (Genera: Lasiurus and Lasionycteris) are highly susceptible to collisions with wind energy turbines and are known to fly offshore during migration. This raises concern about ongoing expansion of offshore wind-energy development off the Atlantic Coast. Season, atmospheric conditions, and site-level characteristics such...
Olfactory lures in predator control do not increase predation risk to birds in areas of conservation concern
Page E. Klug, Amy A. Yackel Adams, Robert Reed
2021, Wildlife Research (49) 183-192
Context: Lethal control of predators is often undertaken to protect species of conservation concern. Traps are frequently baited to increase capture efficacy, but baited traps can potentially increase predation risk by attracting predators to protected areas. This is especially important if targeted predators can escape capture due to low trap success....
Groundwater hydrology and chemistry of Jamestown Island, Virginia—Potential effects of tides, storm surges, and sea-level rise on archaeological, cultural, and ecological resources
Kurt J. McCoy, Karen C. Rice, Ellyn Rickles, Dave Frederick, Jennifer Cramer, Dorothy Geyer
2021, Scientific Investigations Report 2021-5117
As the site of the first permanent English settlement in North America in 1607, Jamestown Island, Colonial National Historical Park (COLO), Virginia, contains a rich archaeological record that extends from the Paleoindian period (15,000 to 8,000 years ago) through the 20th century. The island is located on the lower James...
Method for compiling temporally and spatially aggregated data on hydraulic fracturing—Treatments and wells
Brian A. Varela, Tanya J. Gallegos
2021, Open-File Report 2021-1090
This report provides a step-by-step method for compiling hydraulic fracturing data in the United States from the IHS Markit, 2019, U.S. Well History and Production Relational Database. Data on hydraulically fractured wells include their location (geologic province, State, county), well type (oil or gas), orientation (directional, horizontal, or vertical), spud...
Statistical methods used in research concerning endangered and threatened animal species of Puerto Rico: A meta-study
S.J. Rivera, K.M. Alpi, Jaime A. Collazo, M.K. Stoskopf
2021, Caribbean Journal of Science (51) 225-241
A concern about statistics in wildlife studies, particularly of endangered and threatened species, is whether the data collected meet the assumptions necessary for the use of parametric statistics. This study identified published papers on the nine endangered and six threatened species found only on Puerto Rico using five different databases....
Distribution of tiger salamanders in northern Sonora, Mexico: Comparison of sampling methods and possible implications for an endangered subspecies
Blake R. Hossack, Julio A. Lemos-Espinal, Brent H. Sigafus, Erin L. Muths, Gerardo Carreon Arroyo, Daniel Toyos Martinez, David Hurtado Felix, Guillermo Molina Padilla, Caren S. Goldberg, T. R. Jones, M. J. Sredl, Thierry Chambert, J. C. Rorabaugh
2021, Amphibia-Reptilia (43) 13-23
Many aquatic species in the arid USA-Mexico borderlands region are imperiled, but limited information on distributions and threats often hinders management. To provide information on the distribution of the Western Tiger Salamander (Ambystoma mavortium), including the USA-federally endangered Sonoran Tiger Salamander (Ambystoma mavortium stebbinsi), we used traditional (seines, dip-nets) and...
Seven decades of coastal change at Barter Island, Alaska: Exploring the importance of waves and temperature on erosion of coastal permafrost bluffs
Ann E. Gibbs, Li H. Erikson, Benjamin M. Jones, Bruce M. Richmond, Anita C Engelstad
2021, Remote Sensing (13)
Observational data of coastal change over much of the Arctic are limited largely due to its immensity, remoteness, harsh environment, and restricted periods of sunlight and ice-free conditions. Barter Island, Alaska, is one of the few locations where an extensive, observational dataset exists, which enables a detailed assessment of the...
Expanding freshwater biologger studies to view fish as environmental sensing platforms
Richard Kraus, Helen Bontrager, Chris Vandergoot, Matthew Faust
2021, Marine and Freshwater Research (73) 133-139
While recording fish habitat use by electronic sensors, biologgers can also be viewed as autonomous environmental monitoring systems with the organism as a vehicle. This dual perspective has provided novel results from marine ecosystems, but has not been applied to freshwater ecosystems. To understand limitations in fresh water,...
A basin-scale approach to estimating recharge in the desert: Anza-Cahuilla groundwater basin, CA
Michelle A. Stern, Lorraine E. Flint, Alan L. Flint, Allen H. Christensen
2021, Journal of the American Water Resources Association (57) 990-1003
The Anza-Cahuilla groundwater basin located mainly in the semi-arid headwaters of the Santa Margarita River watershed in southern California is the principle source of groundwater for a rural disadvantaged community and two Native American Tribes, the Ramona Band of Cahuilla and the Cahuilla. Groundwater in the study area is derived...
Modeling marsh dynamics using a 3-D coupled wave-flow-sediment model
Tarandeep S. Kalra, Neil K. Ganju, Alfredo Aretxabaleta, Joel A. Carr, Zafer Defne, Julia Moriarty
2021, Frontiers in Marine Science (8)
Salt marshes are dynamic biogeomorphic systems that respond to external physical factors, including tides, sediment transport, and waves, as well as internal processes such as autochthonous soil formation. Predicting the fate of marshes requires a modeling framework that accounts for these processes in a coupled fashion. In this study, we...
Geologic map of the State of Hawaii
David R. Sherrod, John M. Sinton, Sarah E. Watkins, Kelly M. Brunt
2021, Scientific Investigations Map 3143
This geologic map and its digital databases present the geology of the eight major islands of the State of Hawaiʻi. The map should serve as a useful guide to anyone studying the geologic setting and history of Hawai‘i, including ground- and surface-water resources, economic deposits, and landslide or volcanic hazards....
Long-term Mississippi River trends expose shifts in the river load response to watershed nutrient balances between 1975 and 2017
Sarah M. Stackpoole, Robert D. Sabo, James A. Falcone, Lori A. Sprague
2021, Water Resources Research (57)
Excess nutrients transported by the Mississippi River (MR) contribute to hypoxia in the Gulf of Mexico. Nutrient balances are key drivers to river nutrient loads and represent inputs (fertilizer, manure, deposition, wastewater, N-fixation, and weathering) minus outputs (nutrient uptake and removal in harvest, and N emissions)....
Evidence of glacial activity during MIS 4 in the Rocky Mountains, Colorado, USA
Jeffrey S. Honke, Jeffrey S. Pigati, J. Michael Daniels
2021, Arctic, Antarctic, and Alpine Research (53) 252-268
The Ziegler Reservoir fossil site near Snowmass Village, Colorado, provides a rare opportunity to examine environmental conditions in the Rocky Mountains during marine isotope stage (MIS) 4 (71–57 ka). Although recognized as a global-scale cold event, MIS 4 is typically absent from Rocky Mountain glacial chronologies because the...
Causes, consequences, and conservation of ungulate migration
Matthew Kauffman, Ellen O. Aikens, Saeideh Esmaeili, Petra Kaczensky, Arthur Middleton, Kevin L. Monteith, Thomas A. Morrison, Thomas Mueller, Hall Sawyer, Jacob R. Goheen
2021, Annual Review of Ecology, Evolution, and Systematics (52) 453-478
Our understanding of ungulate migration is advancing rapidly due to innovations in modern animal tracking. Herein, we review and synthesize nearly seven decades of work on migration and other long-distance movements of wild ungulates. Although it has long been appreciated that ungulates migrate to enhance access to forage, recent contributions...
Were humans and mammoths on the Channel Islands at the same time?
Daniel R. Muhs
2021, Book chapter, Islands through time: A human and ecological history of California's northern Channel Islands
No abstract available....
Environmental DNA surveys of Burmese pythons in the Greater Everglades Ecosystem
Caitlin E. Beaver, Gaia Meigs-Friend, Margaret E. Hunter
2021, Open-File Report 2021-1082
Improving the probability of detecting invasive giant snakes is vital for the management of emerging or established populations. Burmese pythons occupy thousands of square kilometers of mostly inaccessible habitats in Florida. Environmental DNA (eDNA) methods have been shown to be time and cost effective in a number of systems...
Nine-banded armadillo (Dasyrus novemcinctus) activity patterns are influenced by human activity
Brett Alexander DeGregorio, C. Gale, E. V. Lassiter, A. Massey, Caleb Powell Roberts, J. Veon
2021, Ecology and Evolution (11) 15874-15881
As the human footprint upon the landscape expands, wildlife seeking to avoid human contact are losing the option of altering their spatial distribution and instead are shifting their daily activity patterns to be active at different times than humans. In this study, we used game cameras to evaluate how human...
Mapping multivariate ore occurrence data with correspondence analysis
Joshua Mark Rosera
2021, Conference Paper, Abstract proceedings: Mineral prospectivity and exploration targeting – MinProXT 2021 webinar
Correspondence analysis is a multivariate method that can be applied to mineral abundance data. Ore mineral assemblages from broadly underutilized prospect and occurrence data can be treated as geochemical anomalies, projected to low-dimensional space, and returned into map view. This approach could have applications for mineral prospectivity mapping...
PlioMIP: The Pliocene Model Intercomparison Project
A. M. Haywood, Harry J. Dowsett, PlioMIP1 and PlioMIP2 participants
2021, Past Global Changes Magazine (29) 92-93
PlioMIP is a network of paleoclimate modelers and geoscientists who, through the study of the mid-Pliocene Warm Period (mPWP ~3.3–3.0 million years ago), seek to understand the sensitivity of the climate system to forcings and examine how well models reproduce past climate change....
Movement dynamics and survival of stocked Colorado River Cutthroat Trout
Alex G. LeCheminant, Gabriel M. Barrile, Shannon E. Albeke, Annika W. Walters
2021, Transactions of the American Fisheries Society (150) 679-693
The ability of native fish to establish self-sustaining populations when reintroduced to vacant habitats is variable. We evaluated factors that potentially affect the reintroduction success of juvenile Colorado River Cutthroat Trout Oncorhynchus clarkii pleuriticus that were reintroduced to an isolated watershed and were experiencing suboptimal survival and recruitment. We conducted a 3-year...
