How lipid content and temperature affect American shad (Alosa sapidissima) attempt rate and sprint swimming: Implications for overcoming migration barriers
Shannon Michael Bayse, Stephen D. McCormick, Theodore R. Castro-Santos
2020, Canadian Journal of Fisheries and Aquatic Sciences (76) 2235-2244
How seasonal effects such as temperature increases and reduced lipid content affect the ability of anadromous fishes to traverse high-velocity barriers and sprint swimming is poorly understood. We evaluated American shad (Alosa sapidissima) swimming performance in a flume against high flow velocities (2.5–3.7 m·s−1) during the upstream migration period (April–May;...
Surficial geochemistry and bioaccessibility of tellurium in semi-arid mine tailings
Sarah M. Hayes, Nicole A Ramos
2020, Environmental Chemistry (16) 251-265
Tellurium (Te) is a critical element due to its use in solar technology. However, some forms are highly toxic. Few studies have examined Te behavior in the surficial environment, thus little is known about its potential human and environmental health impacts. This study characterizes two physicochemically distinct Te-enriched mine...
Using environmental DNA (eDNA) to assess the presence of cavefish and cave crayfish populations in caves of the Ozark Highlands
Shannon K. Brewer, Joshua B. Mouser, Ronald A. Van Den Bussche
2020, Cooperator Science Series CSS-135-2020
Many cavefishes and cave crayfishes are considered of conservation concern; however, sampling these species is inherently difficult given their occupied environments. The goal of our project was to verify the presence of select karst organisms while developing the foundation for sampling approaches that might be useful to conservation and management...
Weak effects of geolocators on small birds: a meta‐analysis controlled for phylogeny and publication bias
Vojtech Brlik, Jaroslav Kolecek, Malcolm Burgess, Steffen Hahn, Diana Humple, Milos Krist, Janne Ouwehand, Emily L. Weiser, Peter Adamik, Jose A. Alves, Debora Arlt, Sanja Barisic, Detlef Becker, Eduardo J. Belda, Vaclav Beran, Christiaan Both, Susana P. Bravo, Martins Briedis, Chutny Bohumir, Davor Cikovic, Nathan W. Cooper, Joana S. Costa, Victor R. Cueto, Tamara Emmenegger, Kevin Fraser, Olivier Gilg, Marina Guerrero, Michael T. Hallworth, Chris Hewson, Frederic Jiguet, James Johnson, Tosha Kelly, Dmitry Kishkinev, Michel Leconte, Terje Lislevand, Simeon Lisovski, Cosme Lopez, Kent P. McFarland, Peter P. Marra, Steven M. Matsuoka, Matyjasiak. Piotr, Christoph M. Meier, Benjamin Metzger, Juan S. Monros, Roland Neumann, Amy Newman, Ryan Norris, Tomas Part, Vaclav Pavel, Noah Perlut, Markus Piha, Jeroen Reneerkens, Christopher C. Rimmer, Amelie Roberto-Charro, Chiara Scandolara, Natalia Sokolova, Makiko Takenaka, Dirk Tolkmitt, Herman van Oosten, Arndt H. J. Wellbrock, Hazel Wheeler, Jan van der Winden, Klaudia Witte, Brad Woodworth, Petr Prochazka
2020, Journal of Animal Ecology (89) 207-220
Currently, the deployment of tracking devices is one of the most frequently used approaches to study movement ecology of birds. Recent miniaturisation of light‐level geolocators enabled studying small bird species whose migratory patterns were widely unknown. However, geolocators may reduce vital rates in tagged birds and may bias obtained movement...
Organic geochemical investigation of far‐field tsunami deposits of the Kahana Valley, O'ahu, Hawai'i
Piero Bellanova, Mike Frenken, Bruce M. Richmond, Jan Schwarzbauer, SeanPaul La Selle, Frances Griswold, Bruce E. Jaffe, Alan R. Nelson, Klaus Reicherter
2020, Sedimentology (67) 1230-1248
Far‐field tsunami deposits observed in the Kahana Valley, O'ahu, Hawai'i (USA), were investigated for their organic‐geochemical content. During short high‐energy events, (tsunamis and storms) organic and chemical components are transported with sediment from marine to terrestrial areas. This study investigates the use of anthropogenic based organic geochemical compounds (such as...
Evaluating catchability in a large-scale gillnet survey using hydroacoustics: Making the case for coupled surveys
Mark R. DuFour, Song S. Qian, Christine M Mayer, Christopher Vandergoot
2020, Fisheries Research (211) 309-318
Abundance estimates facilitate successful fisheries management. Fisheries agencies often monitor abundance through fishery independent standardized protocols generating relative measures such as catch-per-unit-effort (CPUE), where CPUE is assumed proportional to true abundance. Unfortunately, this assumption is rarely met as fish behavior and environmental...
Using redundant primer sets to detect multiple native Alaskan fish species from environmental DNA
Damian M. Menning, Trey Simmons, Sandra L. Talbot
2020, Conservation Genetics Resources (12) 109-123
Accurate and timely data regarding freshwater fish communities is important for informed decision-making by local, state, tribal, and federal land and resource managers; however, conducting traditional gear-based fish surveys can be an expensive and time-consuming process, particularly in remote areas, like those that characterize much of Alaska. To help address...
Quaternary eolian dunes and sand sheets in inland locations of the Atlantic Coastal Plain Province, USA
Christopher S. Swezey
2020, Book chapter, Inland dunes of North America
Quaternary eolian dunes and sand sheets that are stabilized by vegetation are present throughout many inland locations of the Atlantic Coastal Plain province (USA). These locations include river valleys, the Carolina Sandhills region, adjacent to Carolina Bays, and upland areas of the northern coastal plain. The eolian dunes...
Community tools for cartographic and photogrammetric processing of Mars Express HRSC images
Randolph L. Kirk, Elpitha Howington-Kraus, Kenneth Edmundson, Bonnie L. Redding, Donna M. Galuszka, Trent M. Hare, K. Gwinner
2020, Book chapter, Planetary remote sensing and mapping
In this chapter we describe the software we have developed for photogrammetric processing of images from the Mars Express High Resolution Stereo Camera (MEX HRSC) to produce digital topographic models (DTMs) and orthoimages, as well as testing we have performed. HRSC has returned images, including stereo and color coverage of...
Calibrating geosynchronous and polar orbiting satellites: Sharing best practices
Dennis Helder, David Doelling, Rajendra Bhatt, Taeyoung Choi, Julia A. Barsi
2020, Remote Sensing (12)
Earth remote sensing optical satellite systems are often divided into two categories—geosynchronous and sun-synchronous. Geosynchronous systems essentially rotate with the Earth and continuously observe the same region of the Earth. Sun-synchronous systems are generally in a polar orbit and view differing regions of the Earth at the same local time....
Observations and recommendations for coordinated calibration activities of government and commercial optical satellite systems
Dennis Helder, Cody Anderson, Keith Beckett, Rasmus Houborg, Ignacio Zuleta, Valentina Boccia, Sebastian Clerc, Michele Kuester, Brian Markham, M. Pagnutti
2020, Remote Sensing (12)
One of the biggest changes in the world of optical remote sensing over the last several years is the sheer increase in the number of sensors that are imaging the Earth in moderate to high spatial resolution. With respect to the calibration of these sensors, they are broadly classified into...
When portfolio theory can help environmental investment planning to reduce climate risk to future environmental outcomes - and when it cannot
Amy W. Ando, Jennifer M. Fraterrigo, Glenn R. Guntenspergen, Aparna Howlader, Mindy L. Mallory, Jennifer H. Olker, Samuel Stickley
2020, Conservation Letters (11)
Variability among climate change scenarios produces great uncertainty in what is the best allocation of resources among investments to protect environmental goods in the future. Previous research shows Modern Portfolio Theory (MPT) can help optimize environmental investment targeting to reduce outcome risk with minimal loss of expected level of environmental...
Relation of fish intersex to contaminants in riverine sport fishes
C. A. Grieshaber, T. N. Penland, Thomas J. Kwak, W. G. Cope, R. J. Heise, J. M. Law, D. Shea, D. D. Aday, J. A. Rice, S. W. Kullman
2020, Science of the Total Environment (643) 73-89
Endocrine active compounds (EACs) are pollutants that have been recognized as an emerging and widespread threat to aquatic ecosystems globally. Intersex, the presence of female germ cells within a predominantly male gonad, is considered a biomarker of endocrine disruption caused by EACs. We measured a suite of EACs and assessed their associated impacts...
Accuracy of nest fate classification and predator identification from evidence at nests of least terns and piping plovers
Alicia K. Andes, Terry L. Shaffer, Mark H. Sherfy, Chantel M. Hofer, Colin M. Dovichin, Susan N. Ellis-Felege
2020, Ibis (161) 286-300
For federally listed species such as Least Tern Sternula antillarum and Piping Plover Charadrius melodus, correct determination of nest fates and causes of nest failure is crucial for understanding population dynamics and improving monitoring programmes. We used video cameras to evaluate nest fate misclassification rate and to identify factors that may cause researchers...
Aeromagnetic data reveal potentially seismogenic basement faults in the induced seismicity setting of Oklahoma
Anjana K. Shah, Kevin D Crain
2020, Geophysical Research Letters (45) 5948-5958
New aeromagnetic survey data collected over north central Oklahoma image possible seismogenic faults in the crystalline basement. Linear earthquake sequences associated with induced seismicity suggest the reactivation of ancient basement faults, but few of these sequences are aligned with mapped faults. The new data show many earthquake...
Mapping climate change resistant vernal pools in the northeastern U.S.
Jennifer M. Cartwright, Evan H. Campbell Grant
2020, Report
Vernal pools are seasonal wetlands that provide important breeding habitat for a variety of amphibian species. As future climate projections indicate warmer growing seasons and earlier seasonal increases in evapotranspiration, some managers of vernal pools have expressed concern that pools may dry earlier in the season, potentially interfering with completion...
Clawpack: Building an open source ecosystem for solving hyperbolic PDEs
Kyle T. Mandli, Aron J. Ahmadia, Marsha J Berger, Donna A Calhoun, David L. George, Yiannis Hadjimichael, David I. Ketcheson, Grady I. Lemoine, Randall J. LeVeque
2020, PeerJ Computer Science (2)
Clawpack is a software package designed to solve nonlinear hyperbolic partial differential equations using high-resolution finite volume methods based on Riemann solvers and limiters. The package includes a number of variants aimed at different applications and user communities. Clawpack has been actively developed as an open source project for over...
Assessment of continuous oil and gas resources in the Ordovician Collingwood Formation and Utica Shale of the Michigan Basin Province, 2019
Christopher J. Schenk, Tracey J. Mercier, Cheryl A. Woodall, Heidi M. Leathers-Miller, Thomas M. Finn, Phuong A. Le, Michael E. Brownfield, Kristen R. Marra, Geoffrey S. Ellis
2020, Fact Sheet 2020-3027
Using a geology-based assessment methodology, the U.S. Geological Survey estimated undiscovered, technically recoverable mean resources of 290 milllion barrels of shale oil and 7.9 trillion cubic feet of shale gas in the Ordovician Collingwood-Utica Shale Total Petroleum System of the Michigan Basin Province....
Focus areas for data acquisition for potential domestic sources of critical minerals—Rare earth elements
Jane M. Hammarstrom, Connie L. Dicken
2019, Open-File Report 2019-1023-A
Rare earth elements (REEs) are critical mineral commodities for the United States. In response to a need for information on potential domestic sources of REEs in mineral deposits, the U.S. Geological Survey (USGS) identified broad focus areas throughout the conterminous United States and Alaska as a guide for selecting new...
Reproductive biology of Grey-breasted Wood-Wren (Henicorhina leucophrys): A comparative study of tropical and temperate wrens
Necmiye Sahin Arslan, Thomas E. Martin
2019, Wilson Journal of Ornithology (131) 1-11
We provide a detailed breeding biology account for the Grey-breasted Wood-Wren (Henicorhina leucophrys) and a comparison of the reproductive life history of tropical and temperate wrens using literature data. We conducted this study at Yacambú National Park in Venezuela from 2002 to 2008. Clutch size was 1.99 (SE 0.01) and...
Bighorn sheep habitat and model extrapolation across remote landscapes
Chris Lowrey, Sara Schuster, Kathleen Longshore, Patrick Cummings, Amy Sprunger, Anna Johnson, Grete Elyse Wilson-Henjum
2019, Conference Paper, Desert Bighorn Council Transactions 2019: A compilation of papers presented at the 55th meeting
Determining a species’ habitat use is an essential first step in any wildlife conservation action. We described habitat use, animal movements and probable lambing areas in a remote, restricted-access region of the Mojave Desert. Differences in habitat use between sexes was apparent, supporting the often-reported concept of risk-aversion by females....
Assessment of undiscovered copper resources of the world, 2015
Jane M. Hammarstrom, Michael L. Zientek, Heather L. Parks, Connie L. Dicken, U.S. Geological Survey Global Copper Mineral Resource Assessment Team
2019, Scientific Investigations Report 2018-5160
The U.S. Geological Survey completed the first-ever global assessment of undiscovered copper resources for the two most significant sources of global copper supply: porphyry copper deposits and sediment-hosted stratabound copper deposits. The geology-based study identified 236 areas for undiscovered copper in 11 regions of the world. Estimated amounts of undiscovered...
Lithologic descriptions, geophysical logs, and source-rock geochemistry of the U.S. Geological Survey Alcova Reservoir AR–1–13 Core Hole, Natrona County, Wyoming
Mark A. Kirschbaum, Thomas M. Finn, Christopher J. Schenk, Sarah J. Hawkins
2019, Scientific Investigations Report 2019-5123
In 2013, a continuous 624-foot core hole was drilled and logged by the U.S. Geological Survey in Natrona County, Wyoming, with the goal to better understand Cretaceous source rocks in the Wind River Basin. The core hole, named the Alcova Reservoir AR–1–13, penetrated the interval extending from the upper part...
Integration of microfacies analysis, inorganic geochemical data, and hyperspectral imaging to unravel mudstone depositional and diagenetic processes in two cores from the Triassic Shublik Formation, Northern Alaska
Katherine J. Whidden, Justin E. Birdwell, Julie A. Dumoulin, Lionel C. Fonteneau, Brigette Martini
2019, Conference Paper, SEG global meeting abstracts
The Middle – Upper Triassic Shublik Formation is an organic-rich heterogeneous carbonate-siliciclastic-phosphatic unit that generated much of the oil in the Prudhoe Bay field and other hydrocarbon accumulations in northern Alaska. A large dataset, including total organic carbon (TOC), X-ray diffraction (XRD), X-ray fluorescence (XRF) and inductively coupled plasma –...
Movement dynamics of smallmouth bass (Micropterus dolomieu) in a large river-tributary system
Tyler Wagner, Megan K. Schall, Timothy Wertz, Geoffrey D. Smith, Vicki S. Blazer
2019, Fisheries Management and Ecology (26) 590-599
Smallmouth bass, Micropterus dolomieu Lacepède, movement dynamics were investigated in a connected mainstem river-tributary system. Smallmouth bass moved large distances annually (n = 84 fish, average = 24.6 ± 25.9 km, range = 0.03 to 118 km) and had three peak movement periods (pre-spawn, post-spawn and overwintering). Movement into and out of tributaries was common, but the movement between mainstem river and...
