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Publication Extents

Not all publications have extents, not all extents are completely accurate
How physics‐based earthquake simulators might help improve earthquake forecasts
Edward H. Field
2019, Seismological Research Letters (90) 467-472
Questions have persisted on the usefulness of physics‐based earthquake simulators with respect to forecasting earthquakes, due mostly to the inevitable assumptions, approximations, and uncertainties. Whether any model is reliable or trustworthy depends entirely on what questions we are asking of it, so the point of this article is to outline...
Modeling effects of crop production, energy development and conservation-grassland loss on avian habitat
Jill A. Shaffer, Cali L. Roth, David M. Mushet
2019, PLoS ONE (14) 1-17
Birds are essential components of most ecosystems and provide many services valued by society. However, many populations have undergone striking declines as their habitats have been lost or degraded by human activities. Terrestrial grasslands are vital habitat for birds in the North American Prairie Pothole Region (PPR), but grassland conversion...
To what extent is drought-induced tree mortality a natural phenomenon?
R. Fensham, Boris Laffineur, Craig D. Allen
2019, Global Ecology and Biogeography (287) 365-373
AimCatastrophic forest mortality due to more extreme rainfall deficits and higher temperatures under future climate scenarios has been predicted. The aim of this study is to explore the magnitude of historical drought-induced tree mortality under pre-warming conditions.LocationNorth-eastern Australia.Time period1845–2017.<h3 id="geb12858-sec-0004-title" class="article-section__sub-title...
A seascape-scale habitat model to support management of fishing impacts on benthic ecosystems
T. Scott Smeltz, Bradley Harris, John Olson, Suresh Sethi
2019, Canadian Journal of Fisheries and Aquatic Sciences (76) 1836-1844
Minimizing fishing impacts on seafloor ecosystems is a growing focus of ocean management; however, few quantitative tools exist to guide seascape-scale habitat management. To meet these needs, we developed a model to assess benthic ecosystem impacts from fishing gear contact. The habitat impacts model is cast in discrete time and...
Improving estimates and forecasts of lake carbon dynamics using data assimilation
Jacob Aaron Zwart, Oleksandra Hararuk, Yves Prairie, Stuart E. Jones, Christopher T. Solomon
2019, Limnology and Oceanography: Methods (17) 97-111
Lakes are biogeochemical hotspots on the landscape, contributing significantly to the global carbon cycle despite their small areal coverage. Observations and models of lake carbon pools and fluxes are rarely explicitly combined through data assimilation despite successful use of this technique in other fields. Data assimilation...
Methods of environmental valuation
John B. Loomis, Christopher Huber, Leslie Richardson
2019, Book chapter, Handbook of Regional Science
Commensurate valuation of market and nonmarket public goods allows for a more valid benefit-cost analysis. Economic methods for valuing nonmarket public goods include actual behavior-based revealed preference methods, such as the hedonic property method for urban-suburban public goods and travel cost models for outdoor recreation. For valuing proposed public goods...
Short-term effects of ambient air pollution and cardiovascular events in Shiraz, Iran, 2009 to 2015
Zahra Soleimani, Ali Darvishi Boloorani, Reza Khalifeh, Dale W. Griffin, Alireza Mesdaghinia
2019, Environmental Science and Pollution Research (26) 6359-6367
Air pollution and dust storms are associated with increased cardiovascular hospital admissions. The aim of this study was to investigate the association between short-term exposure to ambient air pollutants and CVD (cardiovascular disease) events in a long-term observational period. The study included the events of cardiovascular diseases (namely coronary artery...
A comparison of age- and size-structured assessment models applied to a stock of cisco in Thunder Bay, Ontario
Nicholas C Fisch, James R. Bence, Jared T. Myers, Eric K. Berglund, Daniel Yule
2019, Fisheries Research (209) 86-100
Stock assessments are critical to modern fisheries management, supporting the calculation of key reference variables used to make informed management decisions. However, there is still considerable uncertainty as to which class of assessment models is appropriate to use under different circumstances. A common class of models used when age data...
Main stem and off-channel habitat use by juvenile Chinook salmon in a sub-Arctic riverscape
Brock M. Huntsman, Jeffrey A. Falke
2019, Freshwater Biology (64) 433-446
Poor growth and survival in freshwater and marine environments have been implicated as responsible for Chinook salmon (Oncorhynchus tshawytscha) declines across Alaska.Lateral connectivity of river main stems with off-channel habitats may play an integral role in sustaining Alaskan salmonid populations because off-channel habitats commonly provide greater growth opportunities than...
Natural resource management decision-making under climate uncertainty: Building social-ecological resilience in southwestern Colorado
Nina Burkardt, Marcie Bidwell, Katherine Clifford, Betsy Neely, Patricia Orth, Imtiaz Rangwala, Renee Rondeau, Carina Wyborn, Laurie Yung
2019, Report
The goal of this project was to facilitate climate change adaptation that contributes to social-ecological resilience, ecosystem and species conservation, and sustainable human communities in southwestern Colorado. The team developed and piloted integrated adaptation planning tools and principles that merge the strengths of the iterative scenario process, the Adaptation for...
Eruption and fountaining dynamics of selected 1985–1986 high fountaining episodes at Kīlauea volcano, Hawai'i, from quantitative vesicle microtexture analysis
S. J. Holt, R. J. Carey, B. F. Houghton, Tim R. Orr, J. McPhie, S. Feig
2019, Journal of Volcanology and Geothermal Research (369) 21-34
Tephra from the early Hawaiian fountaining episodes of the ongoing eruption of Pu'u 'Ō'ō in the East Rift Zone (ERZ) of Kīlauea provides an opportunity to study the vesicle microtextures of pyroclasts erupted from a single vent over a prolonged period of time. We report the results of microtextural analysis of pyroclasts from...
Satellite tracking of hawksbill turtles nesting at Buck Island Reef National Monument, US Virgin Islands: Inter-nesting and foraging period movements and migrations
Kristen M. Hart, Autumn Iverson, Allison Benscoter, Ikuko Fujisaki, Michael S. Cherkiss, Clayton Pollock, Ian Lundgren, Zandy Hillis-Starr
2019, Biological Conservation (229) 1-13
To conserve imperiled marine species, an understanding of high-density use zones is necessary prior to designing and evaluating management strategies that improve their survival. We satellite-tracked turtles captured after nesting at Buck Island ReefNational Monument (BIRNM), St. Croix, US Virgin Islands to determine habitat-use patterns of endangered adult female hawksbills (Eretmochelys imbricata). For 31 turtles captured between 2011 and 2014,...
Economic Impacts of Restoration in National Parks
Catherine Cullinane Thomas, Noah Van Gilder, Mark VanMouwerik
2019, Report
The National Park Service’s (NPS) Resource Protection Branch (RPB) works with parks under the authority of the System Unit Resource Protection Act (SURPA) and the Oil Pollution Act, among others, to conduct damage assessment and restoration activities for NPS resources that have been injured. Funds used for restoration support jobs...
Using remote sensing to quantify ecosystem site potential community structure and deviation in the Great Basin, United States
Matthew B. Rigge, Collin G. Homer, Bruce K. Wylie, Yingxin Gu, Hua Shi, George Z. Xian, Debra K. Meyer, Brett Bunde
2019, Ecological Indicators (96) 516-531
The semi-arid Great Basin region in the Northwest U.S. is impacted by a suite of change agents including fire, grazing, and climate variability to which native vegetation can have low resilience and resistance. Assessing ecosystem condition in relation to these change agents is difficult due to a lack of a...
Conceptualizing ecological responses to dam removal: If you remove it, what's to come?
J. Ryan Bellmore, George R. Pess, Jeffrey J. Duda, Jim E. O'Connor, Amy E. East, Melissa M. Foley, Andrew C. Wilcox, Jon J. Major, Patrick B. Shafroth, Sarah A. Morley, Christopher S. Magirl, Chauncey W. Anderson, James E. Evans, Christian E. Torgersen, Laura S. Craig
2019, BioScience (69) 26-39
One of the desired outcomes of dam decommissioning and removal is the recovery of aquatic and riparian ecosystems. To investigate this common objective, we synthesized information from empirical studies and ecological theory into conceptual models that depict key physical and biological links driving ecological responses to removing dams. We define...
Improving conservation policy with genomics: A guide to integrating adaptive potential into U.S. Endangered Species Act decisions for conservation practitioners and geneticists
W.C. Funk, Brenna R. Forester, Sarah J. Converse, Catherine Darst, Steve Morey
2019, Conservation Genetics (20) 115-134
Rapid environmental change makes adaptive potential—the capacity of populations to evolve genetically based changes in response to selection—more important than ever for long-term persistence of at-risk species. At the same time, advances in genomics provide unprecedented power to test for and quantify adaptive potential, enabling consideration of adaptive potential in...
Guadalupe Bass flow-ecology relationships; with emphasis on the impact of flow on recruitment
Timothy B. Grabowski, Heather M. Williams, Robin Verble, Allison Pease, Jessica Pease
2019, Cooperator Science Series 144-2019
Guadalupe Bass Micropterus treculii is an economically and ecologically important black bass species endemic to the Edwards Plateau ecoregion and the lower portions of the Colorado River in central Texas. It is considered a fluvial specialist and as such, there are concerns that the increasing demands being placed upon the...
Relationships between wildfire burn severity, cavity-nesting bird assemblages and habitat in an eastern ponderosa pine forest
E. C. Keele, V. M. Donovan, C. P. Roberts, S. M. Nodskov, C. L. Wonkka, Craig R. Allen, L. Powell, David A. Wedin, D. G. Angeler, D. Twidwell
2019, American Midland Naturalist (18) 1-17
Historically, eastern ponderosa pine (Pinus ponderosa) forests were described as sparse patches of old-growth trees maintained by frequent, low-severity fires; however, in recent decades, there have been a number of large mixed-severity wildfires throughout the range of these forests. Wildlife responses to severe fire disturbance in eastern ponderosa pine forests...
Stable pack abundance and distribution in a harvested wolf population
Sarah B. Bassing, David E. Ausband, Michael S. Mitchell, Paul Lukacs, Allison Keever, Greg Hale, Lisette Waits
2019, Journal of Wildlife Management (83) 577-590
Harvesting gray wolves (Canis lupus) could affect the abundance and distribution of packs, but the frequency of change in pack occurrence (i.e., turnover) and relative effects of harvest compared to environmental factors is unclear. We used noninvasive genetic sampling, hunter surveys, and occupancy models to evaluate...
The development of a GIS methodology to identify oxbows and former stream meanders from LiDAR-derived digital elevation models
Courtney L. Zambory, Harvest Ellis, Clay Pierce, Kevin J. Roe, Michael J. Weber, Keith E. Schilling, Nathan C. Young
2019, Remote Sensing (11)
Anthropogenic development of floodplains and alteration to natural hydrological regimes have resulted in extensive loss of off-channel habitat. Interest has grown in restoring these habitats as an effective conservation strategy for numerous aquatic species. This study developed a process to reproducibly identify areas of former stream meanders to assist future...
Efficient hydrogeological characterization of remote stream corridors using drones
Martin A. Briggs, Cian B. Dawson, Christopher Holmquist-Johnson, Kenneth H. Williams, John W. Lane Jr.
2019, Hydrological Processes (33) 316-319
This project demonstrates the successful use of small unoccupied aircraft system (sUASs) for hydrogeological characterization of a remote stream reach in a rugged mountain terrain. Thermal infrared, visual imagery, and derived digital surface models are used to inform conceptual models of groundwater/surface‐water exchange and efficiently geolocate zones of preferential groundwater...
Estimating occurrence, prevalence, and detection of amphibian pathogens: Insights from occupancy models
B. A. Mosher, Adrianne Brand, ANM Wiewel, D. A. W. Miller, MT Gray, Debra L. Miller, Evan H. Campbell Grant
2019, Journal of Wildlife Diseases (55) 563-575
Understanding the distribution of pathogens across landscapes and their prevalence within host populations is a common aim of wildlife managers. Despite the need for unbiased estimates of pathogen occurrence and prevalence for planning effective management interventions, many researchers fail to account for imperfect pathogen detection. Instead raw data are often...
Evaluating consumptive and nonconsumptive predator effects on prey density using field times series data
John A. Marino, Scott D. Peacor, David Bunnell, Henry A. Vanderploeg, Steven A. Pothoven, Ashley K. Elgin, James R. Bence, J. Jiao, Edward L. Ionides
2019, Ecology (100)
Determining the degree to which predation affects prey abundance in natural communities constitutes a key goal of ecological research. Predators can affect prey through both consumptive effects (CEs) and nonconsumptive effects (NCEs), although the contributions of each mechanism to the density of prey populations remain largely hypothetical in most systems....
Congruent population genetic structure but differing depths of divergence for three alpine stoneflies with similar ecology and geographic distributions
Scott Hotaling, J. Joseph Giersch, Debra S. Finn, Lusha M. Tronstad, Steve Jordan, Larry Serpa, Ronald Call, Clint C. Muhlfeld, David W. Weisrock
2019, Freshwater Biology (64) 335-347
Comparative population genetic studies provide a powerful means for assessing the degree to which evolutionary histories may be congruent among taxa while also highlighting the potential for cryptic diversity within existing species.In the Rocky Mountains, three confamilial stoneflies (Zapada glacier , Lednia tumana , and Lednia tetonica ; Plecoptera, Nemouridae) occupy cold alpine streams...