Toxicity of potassium chloride to veliger and byssal stage dreissenid mussels related to water quality
Christine M. Moffitt, Kelly A. Stockton-Fiti, Renata Claudi
2016, Management of Biological Invasions (7) 257-268
Natural resource managers are seeking appropriate chemical eradication and control protocols for infestations of zebra mussels, Dreissena polymorpha (Pallas, 1769), and quagga mussels. D. rostiformis bugensis (Andrusov, 1897) that have limited effect on non-target species. Applications of low concentrations of potassium salt (as potash) have shown promise for use where...
A global review of freshwater crayfish temperature tolerance, preference, and optimal growth
Jacob T. Westhoff, Amanda E. Rosenberger
2016, Reviews in Fish Biology and Fisheries (26) 329-349
Conservation efforts, environmental planning, and management must account for ongoing ecosystem alteration due to a changing climate, introduced species, and shifting land use. This type of management can be facilitated by an understanding of the thermal ecology of aquatic organisms. However, information on thermal ecology for entire taxonomic groups is...
Panarchy use in environmental science for risk and resilience planning
David G. Angeler, Craig R. Allen, Ahjond S. Garmestani, Lance H. Gunderson, Igor Linkov
2016, Environment Systems and Decisions (36) 225-228
Environmental sciences have an important role in informing sustainable management of built environments by providing insights about the drivers and potentially negative impacts of global environmental change. Here, we discuss panarchy theory, a multi-scale hierarchical concept that accounts for the dynamism of complex socio-ecological systems, especially for those systems with...
The effects of anthropogenic land cover change on pollen-vegetation relationships in the American Midwest
Ellen Ruth Kujawa, Simon Goring, Andria Dawson, Randy Calcote, Eric Grimm, Sara C. Hotchkiss, Stephen T. Jackson, Elizabeth A. Lynch, Jason S. McLachlan, Jeannine-Marie St-Jacques, Charles Umbanhowar Jr., John W. Williams
2016, Anthropocene (15) 60-71
Fossil pollen assemblages provide information about vegetation dynamics at time scales ranging from centuries to millennia. Pollen-vegetation models and process-based models of dispersal typically assume stable relationships between source vegetation and corresponding pollen in surface sediments, as well as stable parameterizations of dispersal and productivity. These assumptions, however, are...
Radiometric calibration updates to the Landsat collection
Esad Micijevic, Obaidul Haque, Nischal Mishra
2016, Conference Paper, Proceedings Volume 9972, Earth Observing Systems XXI
The Landsat Project is planning to implement a new collection management strategy for Landsat products generated at the U.S. Geological Survey (USGS) Earth Resources Observation and Science (EROS) Center. The goal of the initiative is to identify a collection of consistently geolocated and radiometrically calibrated images across the entire Landsat...
Nesting ecology of Whimbrels in boreal Alaska
Christopher M. Harwood, Robert E. Gill Jr., Abby Powell
2016, Wader Study (123) 99-113
Breeding ecology studies of boreal waders have been relatively scarce in North America. This paucity is due in part to boreal habitats being difficult to access, and boreal waders being widely dispersed and thus difficult to monitor. Between 2008 and 2014 we studied the nesting ecology of Whimbrels Numenius phaeopus hudsonicus in...
Three-dimensional numerical modeling of mixing at the junction of the Calumet-Sag Channel and the Chicago Sanitary and Ship Canal: A comparison between density-driven and advection-driven mixing
Dongchen Wang, Som Dudda, P. Ryan Jackson, Marcelo H. Garcia
George Constantinescu, Marcelo H. Garcia, Dan Hanes, editor(s)
2016, Conference Paper, Proceedings of the International Conference on Fluvial Hydraulics (River Flows 2016)
The Chicago Area Waterway System (CAWS) includes the Chicago Sanitary and Ship Canal (CSSC) and the Calumet-Sag Channel (Cal-Sag), the two primary, man-made connections between the Mississippi River Basin and the Great Lakes. The U.S. Geological Survey (USGS) monitors diversion of Great Lakes water at a streamgage just downstream of...
Estimating microcystin levels at recreational sites in western Lake Erie and Ohio
Donna S. Francy, Amie M.G. Brady, Christopher D. Ecker, Jennifer L. Graham, Erin A. Stelzer, Pamela Struffolino, Keith A. Loftin
2016, Harmful Algae (58) 23-34
Cyanobacterial harmful algal blooms (cyanoHABs) and associated toxins, such as microcystin, are a major global water-quality issue. Water-resource managers need tools to quickly predict when and where toxin-producing cyanoHABs will occur. This could be done by using site-specific models that estimate the potential for elevated toxin concentrations that cause public...
Estimating the effects of 17α-ethinylestradiol on stochastic population growth rate of fathead minnows: a population synthesis of empirically derived vital rates
Adam R. Schwindt, Dana L. Winkelman
2016, Ecotoxicology (25) 1364-1375
Urban freshwater streams in arid climates are wastewater effluent dominated ecosystems particularly impacted by bioactive chemicals including steroid estrogens that disrupt vertebrate reproduction. However, more understanding of the population and ecological consequences of exposure to wastewater effluent is needed. We used empirically derived vital rate estimates from a mesocosm study...
Landsat-7 ETM+ radiometric calibration status
Julia A. Barsi, Brian L. Markham, J. S. Czapla-Myers, Dennis L. Helder, Simon Hook, John R. Schott, Obaidul Haque
2016, Conference Paper, Proceedings Volume 9972, Earth Observing Systems XXI
Now in its 17th year of operation, the Enhanced Thematic Mapper + (ETM+), on board the Landsat-7 satellite, continues to systematically acquire imagery of the Earth to add to the 40+ year archive of Landsat data. Characterization of the ETM+ on-orbit radiometric performance has been on-going since its launch in...
Carbon and oxygen isotopic composition of coal and carbon dioxide derived from laboratory coal combustion: A preliminary study
Peter D. Warwick, Leslie F. Ruppert
2016, International Journal of Coal Geology (166) 128-135
The concentration of carbon dioxide (CO2) in the atmosphere has dramatically increased from the start of the industrial revolution in the mid-1700s to present levels exceeding 400 ppm. Carbon dioxide derived from fossil fuel combustion is a greenhouse gas and a major contributor to on-going climate change. Carbon and oxygen...
Life history characteristics and vital rates of Yellowstone Cutthroat Trout in two headwater basins
Patrick Uthe, Robert K. Al-Chokhachy, Alexander V. Zale, Bradley B. Shepard, Thomas E. McMahon, Tracy Stephens
2016, North American Journal of Fisheries Management (36) 1240-1253
The Yellowstone Cutthroat Trout Oncorhynchus clarkii bouvieri is native to the Rocky Mountains and has declined in abundance and distribution as a result of habitat degradation and introduced salmonid species. Many of its remaining strongholds are in headwater basins with minimal human disturbances. Understanding the life histories, vital rates, and...
SNP discovery in candidate adaptive genes using exon capture in a free-ranging alpine ungulate
Gretchen H. Roffler, Stephen J. Amish, Seth Smith, Ted F. Cosart, Marty Kardos, Michael K. Schwartz, Gordon Luikart
2016, Molecular Ecology Resources (16) 1147-1164
Identification of genes underlying genomic signatures of natural selection is key to understanding adaptation to local conditions. We used targeted resequencing to identify SNP markers in 5321 candidate adaptive genes associated with known immunological, metabolic and growth functions in ovids and other ungulates. We selectively targeted 8161 exons in protein-coding...
Chronic wasting disease drives population decline of white-tailed deer
David R. Edmunds, Matthew Kauffman, Brant Schumaker, Frederick G. Lindzey, Walter Cook, Terry J. Kreeger, Ronald Grogan, Todd Cornish
2016, PLoS ONE (11) 1-19
Chronic wasting disease (CWD) is an invariably fatal transmissible spongiform encephalopathy of white-tailed deer, mule deer, elk, and moose. Despite a 100% fatality rate, areas of high prevalence, and increasingly expanding geographic endemic areas, little is known about the population-level effects of CWD in deer. To investigate these effects, we...
Invariant polar bear habitat selection during a period of sea ice loss
Ryan H. Wilson, Eric V. Regehr, Karyn D. Rode, Michelle St. Martin
2016, Proceedings of the Royal Society B: Biological Sciences (283)
Climate change is expected to alter many species' habitat. A species' ability to adjust to these changes is partially determined by their ability to adjust habitat selection preferences to new environmental conditions. Sea ice loss has forced polar bears (Ursus maritimus) to spend longer periods annually over less productive waters,...
A strategy for recovering continuous behavioral telemetry data from Pacific walruses
Anthony S. Fischbach, Chadwick V. Jay
2016, Wildlife Society Bulletin (40) 599-604
Tracking animal behavior and movement with telemetry sensors can offer substantial insights required for conservation. Yet, the value of data collected by animal-borne telemetry systems is limited by bandwidth constraints. To understand the response of Pacific walruses (Odobenus rosmarus divergens) to rapid changes in sea ice availability, we required continuous...
Iron oxide minerals in dust-source sediments from the Bodélé Depression, Chad: Implications for radiative properties and Fe bioavailability of dust plumes from the Sahara
Bruce M. Moskowitz, Richard L. Reynolds, Harland L. Goldstein, Thelma Beroquo, Raymond F. Kokaly, Charlie S Bristow
2016, Aeolian Research (22) 93-106
Atmospheric mineral dust can influence climate and biogeochemical cycles. An important component of mineral dust is ferric oxide minerals (hematite and goethite) which have been shown to influence strongly the optical properties of dust plumes and thus affect the radiative forcing of global dust. Here we report on the iron...
The water content of recurring slope lineae on Mars
Christopher S. Edwards, Sylvain Piqueux
2016, Geophysical Research Letters (43) 8912-8919
Observations of recurring slope lineae (RSL) from the High-Resolution Imaging Science Experiment have been interpreted as present-day, seasonally variable liquid water flows; however, orbital spectroscopy has not confirmed the presence of liquid H2O, only hydrated salts. Thermal Emission Imaging System (THEMIS) temperature data and a numerical heat transfer model definitively...
Differential influences of local subpopulations on regional diversity and differentiation for greater sage-grouse (Centrocercus urophasianus)
Jeffery R. Row, Sara J. Oyler-McCance, Brad C. Fedy
2016, Molecular Ecology (25) 4424-4437
The distribution of spatial genetic variation across a region can shape evolutionary dynamics and impact population persistence. Local population dynamics and among-population dispersal rates are strong drivers of this spatial genetic variation, yet for many species we lack a clear understanding of how these population processes interact in space to...
Accommodation space in a high-wave-energy inner-shelf during the Holocene marine transgression: Correlation of onshore and offshore inner-shelf deposits (0–12 ka) in the Columbia River littoral cell system, Washington and Oregon, USA
C. D. Peterson, D. C. Twichell, M. C. Roberts, S. Vanderburgh, Steven W. Hostetler
2016, Marine Geology (379) 140-156
The Columbia River Littoral Cell (CRLC), a high-wave-energy littoral system, extends 160 km alongshore, generally north of the large Columbia River, and 10–15 km in across-shelf distance from paleo-beach backshores to about 50 m present water depths. Onshore drill holes (19 in number and 5–35 m in subsurface depth) and offshore vibracores (33 in...
Shale gas development effects on the songbird community in a central Appalachian forest
Laura S. Farwell, Petra Wood, James Sheehan, Gregory A. George
2016, Biological Conservation (201) 78-91
In the last decade, unconventional drilling for natural gas from the Marcellus-Utica shale has increased exponentially in the central Appalachians. This heavily forested region contains important breeding habitat for many neotropical migratory songbirds, including several species of conservation concern. Our goal was to examine effects of unconventional gas development on...
Mapping changing distributions of dominant species in oil-contaminated salt marshes of Louisiana using imaging spectroscopy
Michael Beland, Dar A. Roberts, Seth H. Peterson, Trent W. Biggs, Raymond F. Kokaly, Sarai Piazza, Keely L. Roth, Shruti Khanna, Susan L. Ustin
2016, Remote Sensing of Environment (182) 192-207
The April 2010 Deepwater Horizon (DWH) oil spill was the largest coastal spill in U.S. history. Monitoring subsequent change in marsh plant community distributions is critical to assess ecosystem impacts and to establish future coastal management priorities. Strategically deployed airborne imaging spectrometers, like the Airborne Visible/Infrared Imaging Spectrometer (AVIRIS),...
A revision in hydrogen isotopic composition of USGS42 and USGS43 human-hair stable isotopic reference materials for forensic science
Tyler B. Coplen, Haiping Qi
2016, Forensic Science International (266) 222-225
The hydrogen isotopic composition (δ2HVSMOW-SLAP) of USGS42 and USGS43 human hair stable isotopic reference materials, normalized to the VSMOW (Vienna-Standard Mean Ocean Water)–SLAP (Standard Light Antarctic Precipitation) scale, was originally determined with a high temperature conversion technique using an elemental analyzer (TC/EA) with a glassy carbon tube and glassy carbon...
Test of a foraging-bioenergetics model to evaluate growth dynamics of endangered pallid sturgeon (Scaphirhynchus albus)
David Deslauriers, Laura B. Heironimus, Steven R. Chipps
2016, Ecological Modelling (336) 1-12
Factors affecting feeding and growth of early life stages of the federally endangered pallid sturgeon (Scaphirhynchus albus) are not fully understood, owing to their scarcity in the wild. In this study was we evaluated the performance of a combined foraging-bioenergetics model as a tool for assessing growth of age-0 pallid...
Forward modeling of gravity data using geostatistically generated subsurface density variations
Geoffrey Phelps
2016, Geophysics (81) G81-G94
Using geostatistical models of density variations in the subsurface, constrained by geologic data, forward models of gravity anomalies can be generated by discretizing the subsurface and calculating the cumulative effect of each cell (pixel). The results of such stochastically generated forward gravity anomalies can be compared with the observed gravity...
