Inhibition of an aquatic rhabdovirus demonstrates promise of a broad-spectrum antiviral for use in aquaculture
Bethany F. Balmer, Rachel L. Powers, Ting-Hu Zhang, Jihye Lee, Frederic Vigant, Benhur Lee, Michael E. Jung, Maureen K. Purcell, Kevin Snekvik, Hector C. Aguilar
2017, Journal of Virology (91)
Many enveloped viruses cause devastating disease in aquaculture, resulting in significant economic impact. LJ001 is a broad-spectrum antiviral compound that inhibits enveloped virus infections by specifically targeting phospholipids in the lipid bilayer via the production of singlet oxygen (1O2). This stabilizes positive curvature and decreases membrane fluidity, which inhibits virus-cell...
Expanding the role of reactive transport models in critical zone processes
Li Li, Kate Maher, Alexis Navarre-Sitchler, Jennifer Druhan, Christof Meile, Corey Lawrence, Joel Moore, Julia Perdrial, Pamela Sullivan, Aaron Thompson, Lixin Jin, Edward W. Bolton, Susan L. Brantley, William E. Dietrich, K. Ulrich Mayer, Carl Steefel, Albert J. Valocchi, John M. Zachara, Benjamin D. Kocar, Jennifer McIntosh, Benjamin M. Tutolo, Mukesh Kumar, Eric Sonnenthal, Chen Bao, Joe Beisman
2017, Earth-Science Reviews (165) 280-301
Models test our understanding of processes and can reach beyond the spatial and temporal scales of measurements. Multi-component Reactive Transport Models (RTMs), initially developed more than three decades ago, have been used extensively to explore the interactions of geothermal, hydrologic, geochemical, and geobiological processes in subsurface systems. Driven by extensive...
The American Oystercatcher (Haematopus palliatus) Working Group: 15 years of collaborative focal species research and management
Theodore R. Simons
2017, Waterbirds (40) 1-9
The American Oystercatcher (Haematopus palliatus) Working Group formed spontaneously in 2001 as coastal waterbird biologists recognized the potential for American Oystercatchers to serve as focal species for collaborative research and management. Accomplishments over the past 15 years include the establishment of rangewide surveys, color-banding protocols, mark-resight studies, a revision of...
Evaluating simplistic methods to understand current distributions and forecast distribution changes under climate change scenarios: An example with coypu (Myocastor coypus)
Catherine S. Jarnevich, Nicholas E. Young, Trevor R. Sheffels, Jacoby Carter, Mark D. Systma, Colin Talbert
2017, NeoBiota (32) 107-125
Invasive species provide a unique opportunity to evaluate factors controlling biogeographic distributions; we can consider introduction success as an experiment testing suitability of environmental conditions. Predicting potential distributions of spreading species is not easy, and forecasting potential distributions with changing climate is even more difficult. Using the globally invasive coypu...
Predicting animal home-range structure and transitions using a multistate Ornstein-Uhlenbeck biased random walk
Greg A. Breed, Emily A. Golson, M. Tim Tinker
2017, Ecology (98) 32-47
The home‐range concept is central in animal ecology and behavior, and numerous mechanistic models have been developed to understand home range formation and maintenance. These mechanistic models usually assume a single, contiguous home range. Here we describe and implement a simple home‐range model that can accommodate multiple...
Managing American Oystercatcher (Haematopus palliatus) population qrowth by targeting nesting season vital rates
Shilo K. Felton, Nathan J. Hostetter, Kenneth H. Pollock, Theodore R. Simons
2017, Waterbirds (40) 44-54
In populations of long-lived species, adult survival typically has a relatively high influence on population growth. From a management perspective, however, adult survival can be difficult to increase in some instances, so other component rates must be considered to reverse population declines. In North Carolina, USA, management to conserve the...
Using silver and bighead carp cell lines for the identification of a unique metabolite fingerprint from thiram-specific chemical exposure
Joel G. Putnam, Justine Nelson, Eric M. Leis, Richard A. Erickson, Terrance D. Hubert, Jon J. Amberg
2017, Chemosphere (168) 1477-1485
Conservation biology often requires the control of invasive species. One method is the development and use of biocides. Identifying new chemicals as part of the biocide registration approval process can require screening millions of compounds. Traditionally, screening new chemicals has been done in vivo using test organisms. Using in vitro (e.g.,...
Comparison of in vitro estrogenic activity and estrogen concentrations insource and treated waters from 25 U.S. drinking water treatment plants
Justin M. Conley, Nicola Evans, Heath Mash, Laura Rosenblum, Kathleen Schenck, Susan Glassmeyer, Edward T. Furlong, Dana W. Kolpin, Vickie S. Wilson
2017, Science of the Total Environment (579) 1610-1617
In vitro bioassays have been successfully used to screen for estrogenic activity in wastewater and surface water, however, few have been applied to treated drinking water. Here, extracts of source and treated water samples were assayed for estrogenic activity using T47D-KBluc cells and analyzed by liquid chromatography-Fourier transform mass spectrometry (LC-FTMS) for natural...
Donor life stage influences juvenile American eel Anguilla rostrata attraction to conspecific chemical cues
Heather S. Galbraith, Carrie J. Blakeslee, Andrew K. Schmucker, Nicholas S. Johnson, Michael J. Hansen, Weiming Li
2017, Journal of Fish Biology (90) 384-395
The present study investigated the potential role of conspecific chemical cues in inland juvenile American eel Anguilla rostrata migrations by assessing glass eel and 1 year old elver affinities to elver washings, and elver affinity to adult yellow eel washings. In two-choice maze assays, glass eels were attracted to elver washings,...
Changes in aquatic vegetation and floodplain land cover in the Upper Mississippi and Illinois rivers (1989–2000–2010)
Nathan R. De Jager, Jason J. Rohweder
2017, Environmental Monitoring and Assessment (189) 1-14
Quantifying changes in the cover of river-floodplain systems can provide important insights into the processes that structure these landscapes as well as the potential consequences to the ecosystem services they provide. We examined net changes in 13 different aquatic and floodplain land cover classes using photo interpreted maps of the...
Dynamic strains for earthquake source characterization
Andrew J. Barbour, Brendan W. Crowell
2017, Seismological Research Letters (88) 354-370
Strainmeters measure elastodynamic deformation associated with earthquakes over a broad frequency band, with detection characteristics that complement traditional instrumentation, but they are commonly used to study slow transient deformation along active faults and at subduction zones, for example. Here, we analyze dynamic strains at Plate Boundary Observatory (PBO) borehole strainmeters...
The importance of quality control in validating concentrationsof contaminants of emerging concern in source and treateddrinking water samples
Angela L. Batt, Edward T. Furlong, Heath E. Mash, Susan T. Glassmeyer, Dana W. Kolpin
2017, Science of the Total Environment (579) 1618-1628
A national-scale survey of 247 contaminants of emerging concern (CECs), including organic and inorganic chemical compounds, andmicrobial contaminants, was conducted in source and treated drinkingwater samples from 25 treatment plants across the United States.Multiplemethodswere used to determine these CECs, including six analytical methods tomeasure 174 pharmaceuticals, personal care products, and pesticides. A three-component quality...
Nationwide reconnaissance of contaminants of emerging concern in source and treated drinking waters of the United States: Pharmaceuticals
Edward T. Furlong, Angela L. Batt, Susan T. Glassmeyer, Mary C. Noriega, Dana W. Kolpin, Heath Mash, Kathleen M. Schenck
2017, Science of the Total Environment (579) 1629-1642
Mobile and persistent chemicals that are present in urban wastewater, such as pharmaceuticals, may survive on-site ormunicipal wastewater treatment and post-discharge environmental processes. These pharmaceuticals have the potential to reach surface and groundwaters, essential drinking-water sources. A joint, two-phase U.S. Geological Survey-U.S. Environmental Protection Agency study examined source and treated waters from 25 drinking-water...
Merging paleobiology with conservation biology to guide the future of terrestrial ecosystems
Anthony D. Barnosky, Elizabeth A. Hadly, Jason Head, Patrick Gonzalez, P. David Polly, A. Michelle Lawing, Jussi T. Eronen, David D. Ackerly, Ken Alex, Eric Biber, Jessica L. Blois, Justin Brashares, Gerardo Ceballos, Edward Davis, Gregory P. Dietl, Rodolfo Dirzo, Holly Doremus, Mikael Fortelius, Harry W. Greene, Jessica Hellmann, Thomas Hickler, Stephen T. Jackson, Melissa Kemp, Paul L. Koch, Claire Kremen, Emily L. Lindsey, Cindy Looy, Charles R. Marshall, Chase Mendenhall, Andreas Mulch, Alexis M. Mychajliw, Carsten Nowak, Uma Ramakrishnan, Jan Schnitzler, Kashish Das Shrestha, Katherine Solari, Lynn Stegner, M. Allison Stegner, Nils Chr. Stenseth, Marvalee H. Wake, Zhibin Zhang
2017, Science (355) 1-10
The current impacts of humanity on nature are rapid and destructive, but species turnover and change have occurred throughout the history of life. Although there is much debate about the best approaches to take in conservation, ultimately, we need to permit or enhance the resilience of natural systems so that...
An integrated data model to estimate spatiotemporal occupancy, abundance, and colonization dynamics
Perry J. Williams, Mevin Hooten, Jamie N. Womble, George G. Esslinger, Michael R. Bower, Trevor J. Hefley
2017, Ecology (98) 328-336
Ecological invasions and colonizations occur dynamically through space and time. Estimating the distribution and abundance of colonizing species is critical for efficient management or conservation. We describe a statistical framework for simultaneously estimating spatiotemporal occupancy and abundance dynamics of a colonizing species. Our method accounts for several issues that are...
Population genetics and demography unite ecology and evolution
Winsor H. Lowe, Ryan Kovach, Fred W. Allendorf
2017, Trends in Ecology and Evolution (32) 141-152
The interplay of ecology and evolution has been a rich area of research for decades. A surge of interest in this area was catalyzed by the observation that evolution by natural selection can operate at the same contemporary timescales as ecological dynamics. Specifically, recent eco-evolutionary...
Annual changes in seasonal river water temperatures in the eastern and western United States
Tyler Wagner, Stephen R. Midway, Joanna B. Whittier, Jefferson T. DeWeber, Craig P. Paukert
2017, Water (9)
Changes in river water temperatures are anticipated to have direct effects on thermal habitat and fish population vital rates, and therefore, understanding temporal trends in water temperatures may be necessary for predicting changes in thermal habitat and how species might respond to such changes. However, many investigations into trends in...
Fish and invertebrate flow-biology relationships to support the determination of ecological flows for North Carolina
Jennifer Phelan, Thomas F. Cuffney, Lauren A. Patterson, Michele Eddy, Robert Dykes, Sam Pearsall, Chris Goudreau, Jim Mead, Fred Tarver
2017, Journal of the American Water Resources Association (53) 42-55
A method was developed to characterize fish and invertebrate responses to flow alteration in the state of North Carolina. This method involved using 80th percentile linear quantile regressions to relate six flow metrics to the diversity of riffle-run fish and benthic Ephemeroptera, Plecoptera, and Trichoptera (EPT) richness. All twelve flow-biology...
Ca isotopic geochemistry of an Antarctic aquatic system
W. Berry Lyons, Thomas D. Bullen, Kathleen A. Welch
2017, Geophysical Research Letters (44) 882-891
The McMurdo Dry Valleys, Antarctica, are a polar desert ecosystem. The hydrologic system of the dry valleys is linked to climate with ephemeral streams that flow from glacial melt during the austral summer. Past climate variations have strongly influenced the closed-basin, chemically stratified lakes on the valley floor. Results of...
Size and age structure of anadromous and landlocked populations of Rainbow Smelt
Andrew O’Malley, Claire Enterline, Joseph D. Zydlewski
2017, North American Journal of Fisheries Management (37) 326-336
Rainbow Smelt Osmerus mordax are widely distributed in both anadromous and landlocked populations throughout northeastern North America; abundance, size at age, and maximum size vary widely among populations and life histories. In the present study, size at age, von Bertalanffy growth parameters, population age distributions, and precision and bias in age assessment...
Temporal expansion of annual crop classification layers for the CONUS using the C5 decision tree classifier
Aaron M. Friesz, Bruce K. Wylie, Daniel M. Howard
2017, Remote Sensing Letters (8) 389-398
Crop cover maps have become widely used in a range of research applications. Multiple crop cover maps have been developed to suite particular research interests. The National Agricultural Statistics Service (NASS) Cropland Data Layers (CDL) are a series of commonly used crop cover maps for the conterminous United States (CONUS)...
Pectoral fin contact as a mechanism for social bonding among dolphins
Kathleen Dudzinski, Christine Ribic
2017, Animal Behavior and Cognition (4) 30-48
Bottlenose dolphins are large-brained social mammals residing in a fission-fusion society with relationships that are established and maintained over decades. We examined a decade-long data set of inter-individual pectoral fin contact exchanges to better understand how dolphins share information via tactile contact. Sex and age are significant factors in pectoral...
Predictors of breeding site occupancy by amphibians in montane landscapes
Luke A. Groff, Cynthia S. Loftin, Aram J.K. Calhoun
2017, Journal of Wildlife Management (81) 269-278
Ecological relationships and processes vary across species’ geographic distributions, life stages and spatial, and temporal scales. Montane landscapes are characterized by low wetland densities, rugged topographies, and cold climates. Consequently, aquatic-dependent and low-vagility ectothermic species (e.g., pool-breeding amphibians) may exhibit unique ecological associations in montane landscapes. We evaluated the relative...
Compartmentalization of the Coso East Flank geothermal field imaged by 3-D full-tensor MT inversion
Nathaniel J. Lindsey, J. Ole Kaven, Nicholas C. Davatzes, Gregory A. Newman
2017, Geophysical Journal International (208) 652-662
Previous magnetotelluric (MT) studies of the high-temperature Coso geothermal system in California identified a subvertical feature of low resistivity (2–5 Ohm m) and appreciable lateral extent (>1 km) in the producing zone of the East Flank field. However, these models could not reproduce gross 3-D effects in the recorded data. We perform...
Factors influencing detection of the federally endangered Diamond Darter Crystallaria cincotta: Implications for long-term monitoring strategies
Austin A. Rizzo, Donald J. Brown, Stuart A. Welsh, Patricia A. Thompson
2017, The American Midland Naturalist (178) 123-131
Population monitoring is an essential component of endangered species recovery programs. The federally endangered Diamond Darter Crystallaria cincotta is in need of an effective monitoring design to improve our understanding of its distribution and track population trends. Because of their small size, cryptic coloration, and nocturnal behavior, along with limitations associated with...
