Age and growth of cottonwood trees along the Missouri River, North Dakota
Jonathan M. Friedman, Fisher R. Ankney, Marshall Wolf
2019, The Prairie Naturalist (50) 26-35
The relict plains cottonwood (Populus deltoides subsp. monilifera) forest along the Missouri River between Lakes Sakakawea and Oahe includes trees as large as two meters in diameter. We cored 24 of these trees to determine their age and suitability for flow reconstruction. Because most of the trees were rotten in...
Distribution and status of trout and char in North America
Phaedra Budy, Kevin B. Rogers, Yoichiro Kanno, Brooke E Penaluna, Nathaniel Hitt, Gary P. Thiede, Jason B. Dunham, Chad Mellison, William Somer, James DeRito
2019, Book chapter, Trout and char of the world
No abstract available....
Computational sustainability: Computing for a better world and a sustainable future
Carla Gomes, Thomas Dietterich, Christopher Barrett, Jon Conrad, Bistra Dilkina, Stefano Ermon, Fei Fang, Andrew Farnsworth, Alan Fern, Xiaoli Fern, Daniel Fink, Daniel Fisher, Alexander Flecker, Daniel Freund, Angela K. Fuller, John Gregoire, John Hopcroft, Steve Kelling, Zico Kolter, Warren Powell, Nicole Sintov, John Selker, Bart Selman, Daniel Sheldon, David Shmoys, Milind Tambe, Weng-keen Wong, Christopher Wood, Xiaojian Wu, Yexiang Xue, Abdul-Aziz Yakuba, Amulya Yadav, Mary Lou Zeeman
2019, Communications of the ACM (62) 56-65
Computational sustainability aims to develop computational methods to help solve environmental, economic, and societal problems and thereby facilitate a path towards a sustainable future. Sustainability problems are unique in scale, impact, complexity, and richness, offering challenges but also opportunities for the advancement of the state of the art of computing...
Clarifying how hunt-specific experiences affect satisfaction among more avid and less avid waterfowl hunters
David C. Fulton, Susan A. Schroeder, Louis Cornicelli, Steven D. Cordts, Jeffrey S. Lawrence
2019, Wildlife Society Bulletin (43) 455-467
Marketing research methods could enhance understanding of hunter satisfaction, a key metric for state wildlife management agencies. We use three marketing research approaches—revised importance-performance, importance-grid, and penalty-reward-contrast analysis—to examine the determinants of waterfowl hunter satisfaction. These methods have seen limited application in research on hunting and other outdoor recreation activities....
Back to the future: Rebuilding the Everglades
Fred H. Sklar, James M. Beerens, Laura A. Brandt, Carlos A. Coronado-Molina, Steven M Davis, Tom Frankovich, Christopher Madden, Agnes McLean, Joel C. Trexler, Walter Wilcox
2019, Book chapter, The Coastal Everglades: The Dynamics of Social-Ecological Transformation in the South Florida Landscape
Society values landscapes that are engrained in cultural tradition and have a rich connection with human history. As such, there has been a concerted effort to look at the pristine past and develop plans to move the past into the future. However, bringing the past back is constrained by hysteretic...
Framework for using downscaled climate model projections in ecological experiments to quantify plant and soil responses
Rachel K. Owen, Elisabeth B. Webb, Keith W. Goyne, Bohumil M. Svoma, Sagar Gautam
Iadine Chades, editor(s)
2019, Ecosphere (10) 1-19
Soil and plant responses to climate change can be quantified in controlled settings. However, the complexity of climate projections often leads researchers to evaluate ecosystem response based on general trends, rather than specific climate model outputs. Climate projections capture spatial and temporal climate extremes and variability that are lost when...
Foreword
L. David Mech
Toni K. Ruth, Polly C. Buotte, Maurice G. Hornocker, editor(s)
2019, Book chapter, Yellowstone cougars: Ecology before and during wolf restoration
No abstract available....
Effects of air exposure on survival of Yellowstone Cutthroat Trout angled from a stream with warm water temperatures
Darcy K. McCarrick, Curtis J. Roth, Daniel J. Schill, Brett High, Michael Quist
2019, Journal of Fish and Wildlife Management (10) 509-516
We evaluated the effects of air exposure on Yellowstone Cutthroat Trout Oncorhynchus clarkii bouvieri caught and released in a cold-water stream with elevated water temperatures (i.e., > 14°C) in southeastern Idaho. Anglers caught fish in a 2.3-km section of Fall Creek, Idaho, during August 2018. Sampled fish...
Drought in the U.S. Affiliated Pacific Islands: Impacts to water resources
Stephen Anthony
2019, Report
No abstract available....
Formation mechanisms of quartz veins in orogenic gold deposits: Insights from Grass Valley, California, USA
Ryan D. Taylor, Thomas Monecke, T. James Reynolds
2019, Conference Paper, 15th SGA Biennial Meeting
The orogenic gold veins of Grass Valley, California, USA, compose the historically richest lode gold district in the North American Cordillera. Petrographically, the veins exhibit a range of primary textural relationships allowing the reconstruction of the paragenetic sequence of mineral formation. Two generations of quartz are distinguished by optical cathodoluminescence...
North American Bat Monitoring Program regional protocol for surveying with stationary deployments of echolocation recording devices: Narrative version 1.0, Pacific Northwestern US
Rogelio M. Rodriguez, Thomas J. Rodhouse, Jenny Barnett, Kathryn Irvine, Katharine M. Banner, Jeff Lonneker, Patricia C. Ormsbee
2019, Natural Resource Report NPS/UCBN/NRR—2019/1975
The outbreak of white-nose syndrome (WNS) and the growing awareness of the risks to bats from wind power generating facilities have driven radical changes to North American bat conservation. Over the last decade, formerly common species such as the little brown myotis (Myotis lucifugus) and hoary bat (Lasiurus cinereus) have...
Geochemistry of hematite veins in IOA-IOCG deposits of SE Missouri, USA: Relation to felsic magmatism and caldera lakes
Corey J. Meighan, Albert H. Hofstra, Erin E. Marsh, Heather A. Lowers, Alan Koenig
2019, Conference Paper, Life with Ore Deposits on Earth – 15th SGA Biennial Meeting 2019
The paragenesis, textures, and chemical compositions of secondary hematite in regional potassic altered rhyolites, four IOA deposits, the sedimentary iron deposit at Pilot Knob and the Boss IOCG deposit in SE Missouri were determined and compared to primary magnetite from the IOA and IOCG deposits. Magnetite is composed of elements...
Absence of magnetite microlites, geochemistry of magnetite veins and replacements in IOA deposits, SE Missouri, USA: Relations to intermediate intrusions
Corey J. Meighan, Albert H. Hofstra, David Adams, Erin E. Marsh, Heather A. Lowers, Alan Koenig
2019, Conference Paper, Life with Ore Deposits on Earth – 15th SGA Biennial Meeting 2019
The paragenesis, textures, and chemical compositions of magnetite in two mafic to intermediate intrusions and four IOA deposits in SE Missouri were studied to discriminate between igneous and hydrothermal sources. In this study, we found that replacement magnetite with mineral inclusion-rich cores yields erroneously high Ti, Al, Si, Mg,...
Developing a precision irrigation framework to facilitate smallholder dry-season farming in developing countries: A case study in northern Ghana
Jeremy M Fontaine, Joseph Fentzke, Erasmus K Oware, Eric Doe, Samuel Guug, John W. Lane Jr.
2019, Conference Paper, SEG Technical Program Expanded Abstracts 2019
Changing climate has resulted in increasingly unreliable weather patterns with prolonged dry-seasons in some parts of Sub-Saharan Africa. Food production in these areas is under threat because the people depend mostly on rain-fed farming. Enabling dry-season farming, in light of the prolonged dry-seasons, is central to sustainable food production and...
Restoring a forest icon: Could returning the American chestnut remodel our wildlife landscape?
Staci L Clark, Scott E. Schlarbaum, Joseph D. Clark
2019, The Wildlife Professional (13) 52-56
Mother Nature was not making it easy. It was February 18, 2009, and winds were gusting, sleet was falling, and temperatures were hovering around 40° F. Our crew of 9 which consisted of personnel from the USDA Forest Service Southern Research Station, the Cherokee National Forest, and The University of...
Performances of WorldView-3, Sentinel-2, and Landsat-8 data in mapping impervious surface
George Z. Xian, Hua Shi, Jon Dewitz, Zhuoting Wu
2019, Remote Sensing Applications: Society and Environment (15)
Many efforts have been made to map developed impervious surface from remotely sensed information in the last two decades. The U.S. Geological Survey (USGS) developed the National Land Cover Database (NLCD) to provide consistent land cover and change products for the Nation since 2001. Percent impervious surface area (ISA), one...
Site response in the Oklahoma region from seismic recordings of the 2011 Mw 5.7 Prague earthquake
C. Mendoza, Stephen H. Hartzell
2019, Seismological Research Letters (90) 2015-2027
We invert the shear-wave displacement spectra obtained from 30 three-component, broadband waveforms recorded within 300 km of the 6 November 2011 Mw 5.7 Prague, Oklahoma earthquake to recover the site-response contribution using an inversion method that simultaneously inverts for source, path, and site effects. Site-response functions identify resonant frequencies within...
The effect of resolution on terrain feature extraction
Samantha Arundel, Wenwen Li, Xiran Zhou
2019, Conference Paper, Geomorphometry 2018
Recent increase in the production of high-resolution digital elevation models (DEMs) from lidar data has led to interest in their use for terrain mapping. Although the impact of different resolutions has been studied relative to terrain characteristics like roughness, slope and curvature, its relationship to the extraction of terrain features...
An importance–satisfaction analysis of trout license holders in Georgia
H. J. TenHarmsel, B. B. Boley, Brian J. Irwin, Cecil A. Jennings
2019, North American Journal of Fisheries Management (39) 1227-1241
As anglers become increasingly diverse, fisheries managers are challenged to find ways to satisfy users with divergent preferences while conserving a limited resource on a limited budget. With this management challenge in mind, this study combines previous angler specialization research with an importance–satisfaction analysis (ISA) to aid fisheries managers in...
Surface rupture and distributed deformation revealed by optical satellite imagery: The intraplate 2016 Mw 6.0 Petermann Ranges earthquake, Australia
Ryan D. Gold, Dan Clark, William D. Barnhart, Tamarah King, Mark Quigley, Richard W. Briggs
2019, Geophysical Research Letters (46) 10394-10403
High-resolution optical satellite imagery is used to quantify vertical surface deformation associated with the intraplate 20 May 2016 Mw 6.0 Petermann Ranges earthquake, Northern Territory, Australia. The 21 ╓ 1 km long NW-trending rupture resulted from reverse motion on a northeast-dipping fault. Vertical surface offsets of up to 0.7 ╓...
Assessment of larval fish assemblages and nursery habitat in the St. Clair River delta
Taaja Tucker, Robin L . DeBruyne, Edward F. Roseman, Douglas Larson, A. Scott McNaught
2019, Journal of Great Lakes Research (45) 762-776
The St. Clair River delta, part of the St. Clair-Detroit River System (SCDRS), is the most fished coastal wetland area in the Laurentian Great Lakes and provides nursery habitat for a...
Black Carp in North America: A description of range, habitats, time of year, and methods of reported captures
Patrick Kroboth, Cortney Cox, Duane Chapman, Gregory W. Whitledge
2019, North American Journal of Fisheries Management (39) 1046-1055
Black Carp Mylopharyngodon piceus are considered invasive in North America. Since the first wild capture in 2003, collection records have increased, yet information summarizing successful collection methods is lacking. Reported capture methods throughout the Black Carp's native and introduced ranges vary providing minimal aid for determining control and monitoring methods. Here, we...
Water velocity regulates macro-consumer herbivory on the benthic macrophyte Podostemum ceratophyllum Michx.
James L Wood, Jon W Skaggs, Caitlin C Conn, Mary Freeman
2019, Freshwater Biology (64) 2037-2045
1) Macrophytes influence aquatic ecosystems by increasing habitat complexity and providing trophic resources for aquatic fauna. While herbivory on freshwater macrophytes is widely documented in lakes, low-velocity riverine habitats, the influence of herbivory on macrophytes in higher-velocity habitats has rarely been examined. 2) We investigated the hypothesis that high...
Characterizing and imaging sedimentary strata using depth-converted spectral ratios: An example from the Atlantic Coastal Plain of the Eastern U.S.
Thomas L. Pratt
2019, Bulletin of the Seismological Society of America (108) 2801-2815
Unconsolidated, near-surface sediments can have a profound influence on the amplitudes and frequencies of ground shaking during earthquakes, and these effects should be accounted for when using amplitude observations for seismic hazard assessments. This study explores methods to use teleseismic arrivals recorded on linear receiver arrays to characterize widespread, shallow...
The nucleoprotein and phosphoprotein are major determinants of the virulence of viral hemorrhagic septicemia virus in rainbow trout
Vikram N Vakharia, Jie Liu, Douglas Mckenney, Gael Kurath
2019, Journal of Virology (93)
Viral hemorrhagic septicemia virus (VHSV), a fish rhabdovirus, infects several marine and freshwater fish species. There are many strains of VHSV that affect different fish, but some strains of one genetic subgroup have gained high virulence in rainbow trout (Oncorhynchus mykiss). To define the genetic basis of high virulence in...
