Tropical cyclones alter short-term activity patterns of a coastal seabird
B. P. Wilkinson, Y. G. Satge, J. S. Lamb, Patrick G.R. Jodice
2019, Movement Ecology (7)
BackgroundMobile organisms in marine environments are expected to modify their behavior in response to external stressors. Among environmental drivers of animal movement are long-term climatic indices influencing organism distribution and short-term meteorological events anticipated to alter acute movement behavior. However, few studies exist documenting the response of vagile...
Sources, fate, and flux of geothermal solutes in the Yellowstone and Gardner Rivers, Yellowstone National Park, WY
R. Blaine McCleskey, David A. Roth, D. Mahony, D. Kirk Nordstrom, Stacy Kinsey
2019, Applied Geochemistry (111) 1-14
The total discharge and thermal output from the numerous hydrothermal features in Yellowstone National Park (YNP) can be estimated from the chloride (Cl) flux in the Madison, Yellowstone, Falls, and Snake Rivers. Monitoring the Cl flux in these four major rivers provides a holistic view of the hydrothermal output from...
Three-dimensional geologic map of the southern Carson Sink, Nevada, including the Fallon FORGE area
Drew L. Siler, James E. Faulds, Jonathan M.G. Glen, Nicholas H. Hinz, Jeffrey B. Witter, Kelly Blake, John Queen, Mark Fortuna
2019, Scientific Investigations Map 3437
The three-dimensional (3–D) geologic map characterizes the subsurface in the southern Carson Sink region. We created the 3–D map by integrating the results from seismic-reflection, potential-field-geophysical, and lithologic well-logging investigations completed in and around the Fallon FORGE site as part of the U.S. Department of Energy Frontier Observatory for Research...
Oyster reefs in northern Gulf of Mexico estuaries harbor diverse fish and decapod crustacean assemblages: A meta-synthesis
Megan K. LaPeyre, Danielle Aguilar Marshall, Lindsay Miller, Austin T. Humphries
2019, Frontiers in Marine Science (6)
Oyster reefs provide habitat for numerous fish and decapod crustacean species that mediate ecosystem functioning and support vibrant fisheries. Recent focus on the restoration of eastern oyster (Crassostrea virginica) reefs stems from this role as a critical ecosystem engineer. Within the shallow estuaries of the northern Gulf of Mexico (nGoM), the...
Genetic structure of Mycoplasma ovipneumoniae informs pathogen spillover dynamics between domestic and wild Caprinae in the western United States
Pauline Kamath, K.R. Manlove, E. Frances Cassirer, Paul C. Cross, T. E. Besser
2019, Scientific Reports (9)
Spillover diseases have significant consequences for human and animal health, as well as wildlife conservation. We examined spillover and transmission of the pneumonia-associated bacterium Mycoplasma ovipneumoniae in domestic sheep, domestic goats, bighorn sheep, and mountain goats across the western United States using 594 isolates, collected from 1984 to...
Testing theoretical metapopulation conditions with genotypic data from Boreal Chorus Frogs (Pseudacris maculata)
S. M. Billerman, B. R. Jesmer, A. G. Watts, P. Schlichting, M. Fortin, W. C. Funk, P. Hapeman, Erin L. Muths, M. Murphy
2019, Canadian Journal of Zoology (97) 1042-1053
The metapopulation concept has far-reaching implications in ecology and conservation biology. Hanski’s criteria operationally define metapopulations, yet testing them is hindered by logistical and financial constraints inherent to the collection of long-term demographic data. Hence, ecologists and conservationists often assume metapopulation existence for dispersal-limited species that occupy patchy habitats. To...
Comparison of groundwater-model construction methods, representations of glacial geology, model designs, and groundwater-model flow simulations within Elkhart County, Indiana
Leslie D. Arihood, David C. Lampe, E. Randall Bayless, Steven E. Brown
2019, Scientific Investigations Report 2019-5088
Automated data-processing methods allow hydrologists to efficiently incorporate digital well-record datasets into the construction of hydrostratigraphic frameworks for groundwater-flow models. The method selected to construct the hydrostratigraphic framework can affect the extent of geologic heterogeneity that can be included in the model. The detail generated from a hydrostratigraphic framework can...
Confluences function as ecological hotspots: Geomorphic and regional drivers can help identify patterns of fish distribution within a seascape
Ryland Taylor, Martha E. Mather, Joseph Smith, Kayla Gerber
2019, Marine Ecology Progress Series (629) 133-148
Quantifying heterogeneity in animal distributions through space and time is a precursor to addressing many important research and management issues. Obtaining these distributional data is especially difficult for mobile organisms that use broader geographic extents. Here, we asked if the merger between 2 research directions—(1) quantifying spatial linkages between fish...
Sediment classification and the characterization, identification, and mapping of geologic substrates for the glaciated Gulf of Maine seabed and other terrains, providing a physical framework for ecological research and seabed management
Page C. Valentine
2019, Scientific Investigations Report 2019-5073
A geologic substrate is a surface (or volume) of sediment or rock where physical, chemical, and biological processes occur, such as the movement and deposition of sediment, the formation of bedforms, and the attachment, burrowing, feeding, reproduction, and sheltering of organisms. Seabed mapping surveys in the Stellwagen Bank region off...
Evaluating barrier island characteristics and piping plover (Charadrius melodus) habitat availability along the U.S. Atlantic Coast—Geospatial approaches and methodology
Sara L. Zeigler, Emily J. Sturdivant, Benjamin T. Gutierrez
2019, Open-File Report 2019-1071
Policy makers, individuals from government agencies, and natural resource managers face increasing demands to manage coastal areas in a way that meets economic, social, and ecological needs as sea levels rise. Scientific knowledge of how coastal processes drive beach and barrier island changes and how those changes affect habitat use...
The Life of P: A biogeochemical and sociopolitical challenge in the Everglades
Victor H. Rivera-Monroy, Jessica Cattelino, Jeffrey R Wozniak, Katrina Schwartz, Gregory E. Noe, Edward Castaneda-Moya, Gregory R Koch
Joseph N Boyer, Stephen E Davis, editor(s)
2019, Book chapter, The coastal Everglades: The dynamics of social-ecological transformation in the south Florida landscape
• Phosphorus (P) is an essential element for all life forms, yet to understand its life cycle and impact we need to grasp not only the biogeochemical life of P, but also how P intersects with human activities and values. • Phosphorus is the limiting nutrient in the oligotrophic Everglades ecosystem. Thus, the...
The ‘Ike Wai Hawai‘i groundwater recharge tool
Jared H. McLean, Sean B. Cleaveland, Kolja Rotzoll, Scot K. Izuka, Jason Leigh, Gwen A. Jacobs, Ryan Theriot
2019, Conference Paper
This paper discusses the design and implementation of the ‘Ike Wai Hawai‘i Groundwater Recharge Tool, an application for providing data and analyses of the impacts of land-cover and climate modifications on groundwater-recharge rates for the island of O‘ahu. This application uses simulation data based on a set of 29 land-cover types and two rainfall scenarios to...
Measuring sustainability of seed-funded Earth science informatics projects
Leslie Hsu, Vivian B. Hutchison, Madison Langseth
2019, PLoS ONE (14)
Short term funding is a common funding model for informatics projects. Funders are interested in maximizing the sustainability and accessibility of the outputs, but there are no commonly accepted practices to do so in the Earth sciences informatics field. We constructed and applied a framework for sustainability drawing from other...
Co-located contemporaneous mapping of morphological, hydrological, chemical, and biological conditions in a 5th-order mountain stream network, Oregon, USA
Adam S Ward, Jay P. Zarnetske, Viktor Baranov, Phillip J Blaen, Nicolai Brekenfeld, Rosalie Chu, Romain Derelle, Jennifer D. Drummond, Jan Fleckenstein, Vanessa Garayburu-Caruso, Emily B. Graham, David Hannah, Ciaran Harman, Jase Hixson, Julia LA Knapp, Stefan Krause, Marie Kurz, Jorg Lewandowski, Angang Li, Eugènia Martí, Melinda Miller, Alexander Milner, Kerry Neil, Luisa Orsini, Aaron I. Packman, Stephen Plont, Lupita Renteria, Kevin Roche, Todd V Royer, Noah M. Schmadel, Catalina Segura, James Stegen, Jason Toyoda, Jacqueline Wells, Nathan Wisnoski, Steven Wondzell
2019, Earth System Science Data (11) 1567-1581
A comprehensive set of measurements and calculated metrics describing physical, chemical, and biological conditions in the river corridor is presented. These data were collected in a catchment-wide, synoptic campaign in the H. J. Andrews Experimental Forest (Cascade Mountains, Oregon, USA) in summer 2016 during low-discharge conditions....
User guide to the FireCLIME Vulnerability Assessment (VA) Tool: A rapid and flexible system for assessing ecosystem vulnerability to climate-fire interactions
Megan Friggens, Rachel A. Loehman, Andi Thode, William T. Flatley, Alexander Evans, Windy Bunn, Craig Wilcox, Stephanie Mueller, Larissa Yocum, Donald A. Falk
2019, Report
Decisionmakers need better methods for identifying critical ecosystem vulnerabilities to changing climate and fire regimes. Climate-wildfire-vegetation interactions are complex and hinder classification and projection necessary for development of management strategies. One such vulnerability assessment (VA) is FireCLIME VA, which allows users to compare management strategies under various climate scenarios and...
Challenges for monitoring the extent and land use/cover changes in monarch butterflies’ migratory habitat across the United States and Mexico
Rafael Moreno-Sanchez, James Raines, James E. Diffendorfer, Mark A. Drummond, Jessica Manko
2019, Land (10)
This paper presents a synopsis of the challenges and limitations presented by existing and emerging land use/ land cover (LULC) digital data sets when used to analyze the extent, habitat quality, and LULC changes of the monarch (Danaus plexippus) migratory habitat across the United States of America (US) and Mexico....
Hysteretic response of solutes and turbidity at the event scale across forested tropical montane watersheds
Adam S. Wymore, Miguel C. Leon, James B. Shanley, William C. McDowell
2019, Frontiers in Earth Science (7)
Concentration-discharge relationships are a key tool for understanding the sourcing and transport of material from watersheds to fluvial networks. Storm events in particular provide insight into variability in the sources of solutes and sediment within watersheds, and the hydrologic pathways that connect hillslope to stream channel. Here we examine high-frequency...
Identifying credible and diverse GCMs for regional climate change studies—case study: Northeastern United States
Ambarish V. Karmalkar, Jeanne M. Thibeault, Alexander Bryan, Anji Seth
2019, Climatic Change (154) 367-386
Climate data obtained from global climate models (GCMs) form the basis of most studies of regional climate change and its impacts. Using the northeastern US as a test case, we develop a framework to systematically sub-select reliable models for use in climate change studies in the region. We retain 14...
Debris-flow monitoring and warning: Review and examples
Marcel Hurlimann, Velio Coviello, Coraline Bel, Xiaojun Guo, Matteo Berti, Christoph Graf, Johannes Hubl, Shusuke Miyata, Joel B. Smith, Hsiao-Yuan Yin
2019, Earth-Science Reviews (199)
Debris flows represent one of the most dangerous types of mass movements, because of their high velocities, large impact forces and long runout distances. This review describes the available debris-flow monitoring techniques and proposes recommendations to inform the design of future monitoring and warning/alarm systems. The selection and application of...
Total grain size distribution of an intense Hawaiian fountaining event: Case study of the1959 Kīlauea Iki eruption
Sebastian B Mueller, Bruce F. Houghton, Donald A. Swanson, Matthieu Poret, Sarah A. Fagents
2019, Bulletin of Volcanology (81)
The 1959 eruption of Kīlauea Iki on the Island of Hawai’i is a principal example of powerful Hawaiian fountaining. Over 36 days (including repose periods), 16 fountaining episodes created a small cone, a downwind tephra blanket of approximately 0.003 km3 and a lava lake of about 0.04 km3 volume. During the explosive activity, the maximum...
Historical land use and land cover for assessing the northern Colorado Front Range urban landscape
Mark A. Drummond, Michael P. Stier, James E. Diffendorfer
2019, Journal of Maps (15) 89-93
We describe historical land-use and land-cover (LULC) maps for the northern Colorado urban Front Range. The Front Range urban landscape is diverse and interspersed with highly productive agriculture as well as natural land cover types including evergreen forest in the Rocky Mountain foothills and Great Plains grassland. To understand the...
Comparing and improving methods for reconstructing peatland water-table depth from testate amoebae
Connor Nolan, John Tipton, Robert K. Booth, Mevin Hooten, Stephen Jackson
2019, Holocene (29) 1350-1361
Proxies that use changes in the composition of ecological communities to reconstruct temporal changes in an environmental covariate are commonly used in paleoclimatology and paleolimnology. Existing methods, such as weighted averaging and modern analog technique, relate compositional data to the covariate in very simple ways, and different methods are seldom compared...
Differential effects of temperature and salinity on growth and mortality of oysters (Crassostrea virginica) in Barataria Bay and Breton Sound, Louisiana
T. Sehlinger, M.R. Lowe, Megan K. LaPeyre, T.M. Soniat
2019, Journal of Shellfish Research (38) 317-326
Temperature and salinity and their interaction exert a major control on the life cycle of the eastern oyster (Crassostrea virginica), affecting reproduction, development, growth, and mortality. Quantifying specific temperature and salinity relationships on oyster growth and mortality has however proven difficult, with data suggesting potentially region-specific responses. Legacy and recent...
A Generalized Additive Model approach to evaluating water quality: Chesapeake Bay Case Study
Rebecca Murphy, Elgin Perry, Jon Harcum, Jennifer L. Keisman
2019, Environmental Modelling & Software (118)
Nutrient-reduction efforts have been undertaken in recent decades to mitigate the impacts of eutrophication in coastal and estuarine systems worldwide. To track progress in response to one of these efforts we use Generalized Additive Models (GAMs) to evaluate a diverse suite of water quality constituents over a 32-year period in...
Geese mediate vegetation state changes with parallel effects on N cycling that leave nutritional legacies for offspring
Roger W. Ruess, Jack McFarland, Brian T. Person, James S. Sedinger
2019, Ecosphere (10)
Along the coastal fringe of the Yukon–Kuskokwim River Delta in southwestern Alaska, geese maintain grazing lawns dominated by a rhizomatous sedge that, when ungrazed, transitions to a taller, less palatable growth form that is taxonomically described as a different species. Nutrients recycled in goose feces, in conjunction with grazing, are...
