A decision support tool for adaptive management of native prairie ecosystems
Victoria M. Hunt, Sarah Jacobi, Jill J. Gannon, Jennifer E. Zorn, Clinton T. Moore, Eric V. Lonsdorf
2016, Interfaces (46) 334-344
The Native Prairie Adaptive Management initiative is a decision support framework that provides cooperators with management-action recommendations to help them conserve native species and suppress invasive species on prairie lands. We developed a Web-based decision support tool (DST) for the U.S. Fish and Wildlife Service and the U.S. Geological Survey...
Corrigendum to “Widespread occurrence of (per)chlorate in the Solar System” [Earth Planet. Sci. Lett. 430 (2015) 470–476]
W. Andrew Jackson, Alfonso F. Davila, Derek W. G. Sears, John D. Coates, Christopher P. McKay, Maeghan Brundrett, Nubia Estrada, J.K. Bohlke
2016, Earth and Planetary Science Letters (436) 142-143
The authors regret that two sets of data (Atacama (Rao et al., 2010) and Mars Meteorite Range (Kounaves et al., 2014)) in Fig. 2 of our article were plotted in the wrong units. The correction does not change the relationship between ClO<mrow...
Lithospheric rheology constrained from twenty-five years of postseismic deformation following the 1989 Mw 6.9 Loma Prieta earthquake
Mong-Han Huang, Roland Burgmann, Frederick Pollitz
2016, Earth and Planetary Science Letters (435) 147-158
The October 17, 1989 Mw 6.9 Loma Prieta earthquake provides the first opportunity of probing the crustal and upper mantle rheology in the San Francisco Bay Area since the 1906 Mw 7.9 San Francisco earthquake. Here we use geodetic observations including GPS and InSAR to characterize...
Mountain pine beetle host selection between lodgepole and ponderosa pines in the southern Rocky Mountains
Daniel R. West, Jenny S. Briggs, William R. Jacobi, Jose F. Negron
2016, Environmental Entomology (45) 127-141
Recent evidence of range expansion and host transition by mountain pine beetle ( Dendroctonus ponderosae Hopkins; MPB) has suggested that MPB may not primarily breed in their natal host, but will switch hosts to an alternate tree species. As MPB populations expanded in lodgepole pine forests in the southern Rocky Mountains, we...
Salinity effects on plasma ion levels, cortisol, and osmolality in Chinook salmon following lethal sampling
Heather Stewart, David L. G. Noakes, Karen M. Cogliati, James T. Peterson, Martin H. Iversen, Carl B. Schreck
2016, Comparative Biochemistry and Physiology, Part A: Molecular & Integrative Physiology (192) 38-43
Studies on hydromineral balance in fishes frequently employ measurements of electrolytes following euthanasia. We tested the effects of fresh- or salt-water euthanasia baths of tricaine mesylate (MS-222) on plasma magnesium (Mg2+) and sodium (Na+) ions, cortisoland osmolality in fish exposed to saltwater challenges, and the ion and steroid hormone fluctuations over time...
Fertility of the early post-eruptive surfaces of Kasatochi Island volcano
G. J. Michaelson, Bronwen Wang, C. L. Ping
2016, Arctic, Antarctic, and Alpine Research (48) 45-59
In the four years after the 2008 eruption and burial of Kasatochi Island volcano, erosion and the return of bird activity have resulted in new and altered land surfaces and initiation of ecosystem recovery. We examined fertility characteristics of the recently deposited pyroclastic surfaces, patches of legacy pre-eruptive surface soil...
At the foot of the smoking mountains: The 2014 scientific investigations in the Islands of the Four Mountains
Virginia Hatfield, Kale Bruner, Dixie West, Arkady Savinetsky, Olga Krylovich, Bulat Khasanov, Dmitry Vasyukov, Zhanna Antipushina, Mitsuru Okuno, Susan Crockford, Kirsten Nicolaysen, Breanyn MacInnes, Lyman Persico, Pavel Izbekov, Christina A. Neal, Thomas Bartlett III, Lydia Loopesko, Anne Fulton
2016, Arctic Anthropology (53) 141-159
An interdisciplinary research team conducted archaeological, geological, and biological investigations in the Islands of the Four Mountains, Alaska during the summer of 2014 as part of a three-year project to study long-term geological and ecological patterns and processes with respect to human settlement. Researchers investigated three archaeological sites on Chuginadak...
Evidence for nonuniform permafrost degradation after fire in boreal landscapes
Burke J. Minsley, Neal J. Pastick, Bruce K. Wylie, Dana R.N. Brown, M. Andy Kass
2016, Journal of Geophysical Research F: Earth Surface (121) 320-335
Fire can be a significant driver of permafrost change in boreal landscapes, altering the availability of soil carbon and nutrients that have important implications for future climate and ecological succession. However, not all landscapes are equally susceptible to fire-induced change. As fire frequency is expected to increase in the high...
The road to Yucca Mountain—Evolution of nuclear waste disposal in the United States
John S. Stuckless, Robert A. Levich
2016, Environmental & Engineering Geoscience (22) 1-25
The generation of electricity by nuclear power and the manufacturing of atomic weapons have created a large amount of spent nuclear fuel and high-level radioactive waste. There is a world-wide consensus that the best way to protect mankind and the environment is to dispose of this waste in a deep...
Potential drivers of virulence evolution in aquaculture
David A. Kennedy, Gael Kurath, Ilana L. Brito, Maureen K. Purcell, Andrew F. Read, James R. Winton, Andrew R. Wargo
2016, Evolutionary Applications (9) 344-354
Infectious diseases are economically detrimental to aquaculture, and with continued expansion and intensification of aquaculture, the importance of managing infectious diseases will likely increase in the future. Here, we use evolution of virulence theory, along with examples, to identify aquaculture practices that might lead to the evolution of increased pathogen...
Avian response to fire in pine–oak forests of Great Smoky Mountains National Park following decades of fire suppression
Eli T. Rose, Theodore R. Simons
2016, The Condor (118) 179-193
Fire suppression in southern Appalachian pine–oak forests during the past century dramatically altered the bird community. Fire return intervals decreased, resulting in local extirpation or population declines of many bird species adapted to post-fire plant communities. Within Great Smoky Mountains National Park, declines have been strongest for birds inhabiting xeric...
Impacts of climate change on land-use and wetland productivity in the Prairie Pothole Region of North America
Benjamin S. Rashford, Richard M. Adams, Jun Wu, Richard A. Voldseth, Glenn R. Guntenspergen, Brett Werner, W. Carter Johnson
2016, Regional Environmental Change (16) 515-526
Wetland productivity in the Prairie Pothole Region (PPR) of North America is closely linked to climate. A warmer and drier climate, as predicted, will negatively affect the productivity of PPR wetlands and the services they provide. The effect of climate change on wetland productivity, however, will not only depend on...
Estimating golden-cheeked warbler immigration: Implications for the spatial scale of conservation
A. Duarte, F.W. Weckerly, M. Schaub, Jeffrey S. Hatfield
2016, Animal Conservation (19) 65-74
Understanding the factors that drive population dynamics is fundamental to species conservation and management. Since the golden-cheeked warbler Setophaga chrysoparia was first listed as endangered, much effort has taken place to monitor warbler abundance, occupancy, reproduction and survival. Yet, despite being directly related to local population dynamics, movement rates have...
Greenhouse gas fluxes from salt marshes exposed to chronic nutrient enrichment
Gail L. Chmura, Lisa Kellman, Lee van Ardenne, Glenn R. Guntenspergen
2016, PLoS ONE (11)
We assessed the impact of nutrient additions on greenhouse gas fluxes using dark static chambers in a microtidal and a macrotidal marsh along the coast of New Brunswick, Canada approximately monthly over a year. Both were experimentally fertilized for six years with varying levels of N and P. For unfertilized,...
Analysis of brook trout spatial behavior during passage attempts in corrugated culverts using near-infrared illumination video imagery
Normand E. Bergeron, Pierre-Marc Constantin, Elsa Goerig, Theodore R. Castro-Santos
2016, Conference Paper
We used video recording and near-infrared illumination to document the spatial behavior of brook trout of various sizes attempting to pass corrugated culverts under different hydraulic conditions. Semi-automated image analysis was used to digitize fish position at high temporal resolution inside the culvert, which allowed calculation of various spatial behavior...
Prospecting for marine gas hydrate resources
Ray Boswell, Craig Shipp, Thomas Reichel, Dianna Shelander, Tetsuo Saeki, Matthew Frye, William Shedd, Timothy S. Collett, Daniel R. McConnell
2016, Interpretation (4) SA13-SA24
As gas hydrate energy assessment matures worldwide, emphasis has evolved away from confirmation of the mere presence of gas hydrate to the more complex issue of prospecting for those specific accumulations that are viable resource targets. Gas hydrate exploration now integrates the unique pressure and temperature preconditions for gas hydrate...
Characterization of gas hydrate distribution using conventional 3D seismic data in the Pearl River Mouth Basin, South China Sea
Xiujuan Wang, Jin Qiang, Timothy S. Collett, Hesheng Shi, Shengxiong Yang, Chengzhi Yan, Yuanping Li, Zhenzhen Wang, Duanxin Chen
2016, Interpretation (4) SA25-SA37
A new 3D seismic reflection data volume acquired in 2012 has allowed for the detailed mapping and characterization of gas hydrate distribution in the Pearl River Mouth Basin in the South China Sea. Previous studies of core and logging data showed that gas hydrate occurrence at high concentrations is controlled...
Monogenetic volcanoes fed by interconnected dikes and sills in the Hopi Buttes volcanic field, Navajo Nation, USA
James D. Muirhead, Alexa R. Van Eaton, Giuseppe Re, James D. L. White, Michael H. Ort
2016, Bulletin of Volcanology (78) 1-16
Although monogenetic volcanic fields pose hazards to major cities worldwide, their shallow magma feeders (<500 m depth) are rarely exposed and, therefore, poorly understood. Here, we investigate exposures of dikes and sills in the Hopi Buttes volcanic field, Arizona, to shed light on the nature of its magma feeder system. Shallow...
An assessment of the cultivated cropland class of NLCD 2006 using a multi-source and multi-criteria approach
Patrick Danielson, Limin Yang, Suming Jin, Collin G. Homer, Darrell Napton
2016, Remote Sensing (8)
We developed a method that analyzes the quality of the cultivated cropland class mapped in the USA National Land Cover Database (NLCD) 2006. The method integrates multiple geospatial datasets and a Multi Index Integrated Change Analysis (MIICA) change detection method that captures spectral changes to identify the spatial distribution and...
A typology of time-scale mismatches and behavioral interventions to diagnose and solve conservation problems
Robyn S. Wilson, David J. Hardisty, Rebecca S. Epanchin-Niell, Michael C. Runge, Kathryn L. Cottingham, Dean L. Urban, Lynn A. Maguire, Alan Hastings, Peter J. Mumby, Debra P. C. Peters
2016, Conservation Biology (30) 42-49
Ecological systems often operate on time scales significantly longer or shorter than the time scales typical of human decision making, which causes substantial difficulty for conservation and management in socioecological systems. For example, invasive species may move faster than humans can diagnose problems and initiate solutions, and climate systems may...
Survival of female mallards along the Vermont-Quebec border region
Jerry R. Longcore, Daniel G. McAuley, Dennis M. Heisey, Christine M. Bunck, David A. Clugston
2016, Journal of Wildlife Management (80) 355-367
Understanding effects of location and timing of harvest seasons on mortality of ducks and geese from hunting is important in forming regulations that sustain viable waterfowl populations throughout their range. During 1990 and 1991 we alternately marked 80 hatching year (HY), female mallards along the Vermont–Quebec border; half with radio-transmitters...
Comparison of measurement- and proxy-based Vs30 values in California
Alan K. Yong
2016, Earthquake Spectra (32) 171-192
This study was prompted by the recent availability of a significant amount of openly accessible measured VS30 values and the desire to investigate the trend of using proxy-based models to predict VS30 in the absence of measurements. Comparisons between measured and model-based values were performed. The measured data included 503...
Erosional and depositional history of the Atlantic passive margin as recorded in detrital zircon fission-track ages and lithic detritus in Atlantic Coastal plain sediments
C. W. Naeser, N.D. Naeser, Lucy E. Edwards, Robert E. Weems, C. Scott Southworth, Wayne L. Newell
2016, American Journal of Science (316) 110-168
Comparison of fission-track (FT) ages of detrital zircons recovered from Atlantic Coastal Plain sediments to FT ages of zircons from bedrock in source terranes in the Appalachians provides a key to understanding the provenance of the sediments and, in turn, the erosional and depositional history of the Atlantic passive...
Density, distribution, and genetic structure of grizzly bears in the Cabinet-Yaak Ecosystem
Katherine C. Kendall, Amy C. Macleod, Kristina L. Boyd, John Boulanger, J. Andrew Royle, Wayne F. Kasworm, David Paetkau, Michael F. Proctor, Tabitha A. Graves, Kim Annis
2016, Journal of Wildlife Management (80) 314-331
The conservation status of the 2 threatened grizzly bear (Ursus arctos) populations in the Cabinet-Yaak Ecosystem (CYE) of northern Montana and Idaho had remained unchanged since designation in 1975; however, the current demographic status of these populations was uncertain. No rigorous data on population density and distribution or analysis of...
Winter distribution and use of high elevation caves as foraging sites by the endangered Hawaiian hoary bat, Lasiurus cinereus semotus
Frank Bonaccorso, Kristina Montoya-Aiona, Corinna A. Pinzari, Christopher M. Todd
2016, Technical Report HCSU-068
We examine altitudinal movements involving unusual use of caves by Hawaiian hoary bats, Lasiurus cinereus semotus, during winter and spring in the Mauna Loa Forest Reserve (MLFR), Hawai‘i Island. Acoustic detection of hoary bat vocalizations, were recorded with regularity outside 13 lava tube cave entrances situated between 2,200 to 3,600...
