Floodplains provide important amphibian habitat despite multiple ecological threats
Meredith Holgerson, Adam Duarte, Marc Hayes, Michael J. Adams, Julie A. Tyson, Keith Douville, Angela Strecker
2019, Ecosphere (10)
Floodplain ponds and wetlands are productive and biodiverse ecosystems, yet they face multiple threats including altered hydrology, land use change, and non‐native species. Protecting and restoring important floodplain ecosystems requires understanding how organisms use these habitats and respond to altered environmental conditions. We developed Bayesian models to evaluate occupancy of...
Evaluating the factors responsible for post-fire water quality response in forests of the western USA
Ashley J. Rust, Samuel Saxe, John E. McCray, Charles C. Rhoades, Terri S. Hogue
2019, International Journal of Wildland Fire (28) 769-784
Wildfires commonly increase nutrient, carbon, sediment, and metal inputs to streams yet the factors responsible for the type, magnitude and duration of water quality effects are poorly understood. Prior work by the current authors found increased nitrogen, phosphorus and cation exports were common the first five post-fire years from a...
PaCTS 1.0: A crowdsourced reporting standard for paleoclimate data
Natalie M. Kehrwald, Deborah Khider, Julien Emile-Geay, Nicholas P. McKay, Yolanda Gili, Daniel Garijo, Varun Ratnakar, Peter Brewer, Adam Csank, Emilie Dassie, Kristine Delong, Thomas Felix, William Gray, Lucas Jonkers, Michael Kahle, Darrell S. Kaufman, Julie N. Richey, Andreas Schmittner, Elaine Kennedy Sutherland, Montserrat Alonso-Garcia, Bertrand Sebastian, Oliver Bothe, Andrew Bunn, Manuel Chevalier, Pierre Francus, Amy Frappier, Simon Goring, Belen Martrat, Helen V. McGregor, Kathryn J. Allen, Fabien Arnaud, Yarrow L. Axford, Timothy T. Barrows, Lucie Bazin, Pilaar Birch, Elizabeth Bradley, Joshua Bregy, Emilie Capron, Olivier Cartapanis, Hong-Wei Chiang, Kim Cobb, Maxime Debret, Rene Dommain, Jianghui Du, Kelsey Dyez, Suellyn Emerick, Michael Erb, Georgina Falster, Walter Finsinger, Daniel Fortier, Nicolas Gauthier, Steven George, Eric Grimm, Jennifer Hertzberg, Fiona Hibbert, Aubrey Hillman, William Hobbs, Matthew Huber, Anna L. C. Hughes, Samuel Jaccard, Ruan Jiaoyang, Markus Kienast, Bronwen Konecky, Gael Le Roux, Vyacheslav Lyubchich, Valdir Novello, Lydia Olaka, Judson W. Partin, Christof Pearce, Steven J. Phipps, Cecile Pignol, Natalia Pietrowska, Maria-Serena Poli, Alexander Prokopenko, Franciele Schwanck, Christian Stepanek, George E. A. Swann, Richard Telford, Elizabeth R. Thomas, Zoe Thomas, Sarah Truebe, Lucien von Gunten, Amanda Waite, Nils Weitzel, Bruno Wilhelm, John B. Williams, Mai Winstrup, Ning Zhao, Yuxin Zhou
2019, Paleoceanography and Paleoclimatology (34) 1570-1596
The progress of science is tied to the standardization of measurements, instruments, and data. This is especially true in the Big Data age, where analyzing large data volumes critically hinges on that data being standardized. Accordingly, the lack of community-sanctioned data standards in paleoclimatology has largely precluded the benefits of...
Paleo calendar-effect adjustments in time-slice and transient climate-model simulations (PaleoCalAdjust v1.0): Impact and strategies for data analysis
Patrick J. Bartlein, Sarah Shafer
2019, Geoscientific Model Development (12) 3889-3913
The “paleo calendar effect” is a common expression for the impact that changes in the length of months or seasons over time, related to changes in the eccentricity of Earth's orbit and precession, have on the analysis or summarization of climate-model output. This effect can have significant implications for paleoclimate...
Updating estimates of low-streamflow statistics to account for possible trends
Annalise G. Blum, Stacey A. Archfield, Robert M. Hirsch, Richard M Vogel, Julie E. Kiang, Robert W. Dudley
2019, Hydrologic Sciences Journal (6) 1404-1414
Accurate estimators of streamflow statistics are critical to the design, planning, and management of water resources. Given increasing evidence of trends in low-streamflow, new approaches to estimating low-streamflow statistics are needed. Here we investigate simple approaches to select a recent subset of the low-flow record to update...
Growth and energy budget of Northern Snakehead Channa argus in relation to ration
Jiashou Liu, Tangling Zhang, Duane Chapman
2019, Conference Paper, Proceedings of the First International Snakehead Symposium (Symposium 89N)
Northern Snakehead Channa argus weighing 188.54+13.80 g were fed live Oriental Weatherfish Misgurnus anguillicaudatus at five rations (starvation, 1, 2, 4% body weight per day and satiation) at 28 oC under laboratory conditions to determine its growth and energy budget in relation to ration. The specific growth rate increased linearly...
Estimating annual Ceratonova shasta mortality rates in juvenile Scott and Shasta River coho salmon that enter the Klamath River mainstem
Nicholas A. Som, Nicholas J. Hetrick, Russell Perry, Julie D Alexander
2019, Report, Arcata fisheries technical report number TR 2019-38
The impacts of Ceratonova shasta on Klamath River salmonids have been the focus of tremendous research and monitoring over the past decade. Knowledge gained from the various studies has resulted in a growing suite of decision support tools that can be used to predict the prevalence of infection and mortality...
Factors associated with structure loss in the 2013–2018 California wildfires
Alexandra D. Syphard, Jon Keeley
2019, Fire (2)
Tens of thousands of structures and hundreds of human lives have been lost in recent fire events throughout California. Given the potential for these types of wildfires to continue, the need to understand why and how structures are being destroyed has taken on a new level of urgency. We compiled...
Chemically enhanced treatment wetland to improve water quality and mitigate land subsidence in the Sacramento-San Joaquin Delta: Cost and design considerations
Philip A. M. Bachand, Tamara E. C. Kraus, William R. Horwath, Nathan R. Hatch, Sandra M. Bachand
2019, San Francisco Estuary and Watershed Science (17)
Water quality impairment and land surface subsidence threaten the viability of the Sacramento-San Joaquin Delta (Delta), a critical component of California’s water conveyance system. Current day irrigation drainage through Delta island peat soils impacts drinking water treatment and is linked to mercury transport, potentially posing both ecological and public health...
Evaluation of an acoustic fish deterrent system in shallow water application at the Emiquon Preserve, Lewistown, IL.
James J. Wamboldt, Kelsie A. Murchy, Jessica C. Stanton, K. Douglas Blodgett, Marybeth K. Brey
2019, Management of Biological Invasions (10) 536-558
Expansion of non-native fish have caused ecological and economic damage and can negatively impact native fish populations. Current research on deterrent technologies for bighead Hypophthalmichthys nobilis and silver carp H. molitrix have primarily focused on reducing upstream movement in large river lock approaches. However, there is also interest in excluding carp from smaller-scale locations....
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...
