Arsenic-related oxidative stress in experimentally dosed wild great tit nestlings
Pablo Sanchez-Virosta, Silvia Espin, Sandra Ruiz, Bineet Panda, Petteri Ilmonen, Sandra L. Schultz, Natalie Karouna-Renier, Antonio J. Garcia-Fernandez, Tapio Eeva
2020, Environmental Pollution (259)
Arsenic (As) is broadly distributed due to natural and anthropogenic sources, and it may cause adverse effects in birds. However, research on other elements (Pb, Hg and Cd) has been prioritized, resulting in scarce data on As exposure and related effects in wild birds. One of the mechanisms responsible for...
Fault fictions: Systematic biases in the conceptualization of fault-zone architecture
Zoe K Shipton, Jennifer J Roberts, Comrie Emma L, Yannick Kremer, Rebecca J Lunn, Jonathan Saul Caine
2020, Special Publications (496) 125-143
Mental models are a human's internal representation of the real world and have an important role in the way we understand and reason about uncertainties, explore potential options and make decisions. Mental models have not yet received much attention in geosciences, yet systematic biases can affect...
UAV-derived estimates of forest structure to inform ponderosa pine forest restoration
Adam Belmonte, Temuulen T. Sankey, Joel A. Biederman, John B. Bradford, Scott J. Goetz, Thomas Kolb, Travis Woolley
2020, Remote Sensing in Ecology and Conservation (6) 181-197
Restoring forest ecosystems has become an increasingly high priority for land managers across the American West. Millions of hectares of forest are in need of drastic yet strategic reductions in density (e.g., basal area). Meeting the restoration and management goals requires quantifying metrics of vertical and horizontal forest structure, which...
Time scales of arsenic variability and the role of high-frequency monitoring at three water-supply wells in New Hampshire, USA
James R. Degnan, Joseph P. Levitt, Melinda Erickson, Bryant C. Jurgens, Bruce D. Lindsey, Joseph D. Ayotte
2020, Science of the Total Environment (709)
Groundwater geochemistry, redox process classification, high-frequency physicochemical and hydrologic measurements, and climate data were analyzed to identify controls on arsenic (As) concentration changes. Groundwater was monitored in two public-supply wells (one glacial aquifer and one bedrock aquifer), and one bedrock-aquifer domestic well in New...
The assessment and remediation of mercury contaminated sites: A review of current approaches
Chris S. Eckley, Cynthia C Gilmour, Sarah E. Janssen, Todd P Luxton, Paul M Randall, Lindsay Whalin, Carrie Austin
2020, Science of the Total Environment (707)
Remediation of mercury (Hg) contaminated sites has long relied on traditional approaches, such as removal and containment/capping. Here we review contemporary practices in the assessment and remediation of industrial-scale Hg contaminated sites and discuss recent advances. Significant improvements have been made in site assessment, including the use of XRF to...
Seismo-acoustic evidence for vent drying during shallow submarine eruptions at Bogoslof volcano, Alaska
David Fee, John J. Lyons, Matthew M. Haney, Aaron Wech, Christopher F. Waythomas, Angela K. Diefenbach, Taryn Lopez, Alexa R. Van Eaton, David J. Schneider
2020, Bulletin of Volcanology Special Issue on the Bogoslof Eruption (82)
Characterizing the state of the volcanic vent is key for interpreting observational datasets and accurately assessing volcanic hazards. This is particularly true for remote, complex eruptions such as the 2016–2017 Bogoslof volcano, Alaska eruption sequence. Bogoslof’s eruptions in this period were either shallow submarine or subaerial, or some combination of...
Traveling to thermal refuges during stressful temperatures leads to foraging constraints in a central-place forager
Catherine G. Haase, Robert J. Fletcher Jr., Daniel H. Slone, James P. Reid, Susan M. Butler
2020, Journal of Mammalogy (101) 271-280
Central-place foragers can be constrained by the distance between habitats. When an organism relies on a central place for thermal refuge, the distance to food resources can potentially constrain foraging behavior. We investigated the effect of distance between thermal refuges and forage patches of the cold-intolerant marine mammal, the Florida...
Species traits predict stream-fish invaders in an Appalachian (U.S.A.) river basin
Joseph D. Buckwalter, Emmanuel A Frimpong, Paul L. Angermeier, Jacob N. Barney
2020, Freshwater Biology (65) 552-564
We compared the influence of biological traits (morphology, physiology, reproduction, and life history), ecological traits (geographic distribution, habitat associations, food habits), and introduction attributes (propagule pressure, human use of a species, residence time) on invasion success of native and introduced stream fishes during the colonisation and spread stages in...
Not all fuel‐reduction treatments degrade biocrusts: Herbicides cause mostly neutral to positive effects on cover of biocrusts
Lea A. Condon, Margaret L Gray
2020, Land Degradation & Development (31) 1727-1734
In response to increasing fire, fuel‐reduction treatments are being used to minimize large fire risk. Although biocrusts are associated with reduced cover of fire‐promoting, invasive grasses, the impact of fuel‐reduction treatments on biocrusts is poorly understood. We use data from a long‐term experiment, the Sagebrush Steppe Treatment Evaluation Project, testing...
A comparison of the Trojan Y Chromosome strategy to harvesting models for eradication of nonnative species
Jingjing Lyu, Pamela J. Schofield, Kristen Reaver, Matthew Beauregard, Rana D. Parshad
2020, Natural Resource Modeling (33)
The Trojan Y Chromosome strategy (TYC) is a promising eradication method for biological control of nonnative species. The strategy works by manipulating the sex ratio of a population through the introduction of supermales that guarantee male offspring. In the current study, we compare the TYC method with a pure harvesting strategy. We...
Chronic and episodic acidification of streams along the Appalachian Trail corridor, eastern United States
Douglas A. Burns, Todd McDonnell, Karen C. Rice, Gregory B. Lawrence, Timothy Sullivan
2020, Hydrological Processes (34) 1498-1513
Acidic atmospheric deposition has adversely affected aquatic ecosystems globally. As emissions and deposition of sulfur (S) and nitrogen (N) have declined in recent decades across North America and Europe, ecosystem recovery is evident in many surface waters. However, persistent chronic and episodic acidification remain important concerns in vulnerable regions. We...
Potential changes to the biology and challenges to the management of invasive sea lamprey Petromyzon marinus in the Laurentian Great Lakes due to climate change
Robert J. Lennox, Gale A. Bravener, Hsien-Yung Lin, Charles P. Madenjian, Andrew M. Muir, Christina K. Remucal, Kelly F. Robinson, Andrew M. Rous, Michael J. Siefkes, Michael P. Wilkie, Daniel P. Zielinski, Steven J. Cooke
2020, Global Change Biology (26) 1118-1137
Control programs are implemented to mitigate the damage caused by invasive species worldwide. In the highly invaded Great Lakes, the climate is expected to become warmer with more extreme weather and variable precipitation, resulting in shorter iced‐over periods and variable tributary flows as well as changes to pH and river...
USGS near-real-time products-and their use-for the 2018 Anchorage earthquake
Eric M. Thompson, Sara K. McBride, Gavin P. Hayes, Kate E. Allstadt, Lisa Wald, David J. Wald, Keith L. Knudsen, Charles Worden, Kristin Marano, Randall W. Jibson, Alex R. Grant
2020, Seismological Research Letters (91) 94-113
In the minutes to hours after a major earthquake, such as the recent 2018 Mw">Mw 7.1 Anchorage event, the U.S. Geological Survey (USGS) produces a suite of interconnected earthquake products that provides diverse information...
Preface to the focus section on the 30 November 2018 Mw 7.1 Anchorage, Alaska earthquake
Natalia Ruppert, Robert C. Witter
2020, Seismological Research Letters (91) 16-18
On 30 November 2018, a magnitude (Mw">Mw) 7.1 intraslab earthquake occurred under the most densely populated area of Alaska, ∼12  km"><span id="MathJax-Span-17"...
Evaluation of ground‐motion models for U.S. Geological Survey seismic hazard models: 2018 Anchorage, Alaska, Mw 7.1 subduction zone earthquake sequence
Daniel E. McNamara, Emily Wolin, Peter M. Powers, Allison Shumway, Morgan P. Moschetti, John Rekoske, Eric M. Thompson, Charles Mueller, Mark D. Petersen
2020, Seismological Research Letters (91) 183-194
Instrumental ground‐motion recordings from the 2018 Anchorage, Alaska (Mw">Mw 7.1), earthquake sequence provide an independent data set allowing us to evaluate the predictive power of ground‐motion models (GMMs) for...
Effects of Cenozoic subduction along the outboard margin of the Northern Cordillera: Derived from e-book on the Northern Cordillera (Alaska and Western Canada) and adjacent marine areas
Warren J. Nokleberg, David Scholl, Thomas K. Bundtzen, David B. Stone
2020, Geosphere (16) 33-61
This article describes the regional effects of Cenozoic subduction along the outboard margin of the Northern Cordillera (Alaska, USA, and Western Canada), and thereby acquaints the reader with several chapters of the e-book Dynamic Geology of the Northern Cordillera (Alaska, Western Canada, and Adjacent Marine Areas). This article and the e-book...
Spatial and temporal behavioral differences between angler-access types
D. S. Kane, Mark A Kaemingk, Christopher J. Chizinski, Kevin L. Pope
2020, Fisheries Research
Recreational angler surveys typically collect information on how anglers access a fishery. Yet, it is unclear how this information is useful for fisheries management and conservation. The objective of this study was to compare behavior (e.g., party size, time fished, and numbers of fish released and harvested) of bank and...
Reverberating effects of resource exchanges in stream–riparian food webs
Scott F. Collins, Colden V. Baxter, Amy M. Marcarelli, Laura Felicetti, Scott Florin, Mark S. Wipfli, Gregg Servheen
2020, Oecologia (192) 179-189
Fluxes of materials or organisms across ecological boundaries, often termed “resource subsidies,” directly affect recipient food webs. Few studies have addressed how such direct responses in one ecosystem may, in turn, influence the fluxes of materials or organisms to other habitats or the potential for feedback relationships to occur among...
Seismic survey design and impacts to maternal polar bear dens
Ryan H. Wilson, George M. Durner
2020, Journal of Wildlife Management (84) 201-212
Large‐scale industrial activities can have negative effects on wildlife populations. Some of these effects, however, could be reduced with effective planning prior to development. The Coastal Plain of the Arctic National Wildlife Refuge, in northeastern Alaska, USA, is an important maternal denning area for polar bears (Ursus maritimus). Recent legislation...
Geochronology of the Oliverian Plutonic Suite and the Ammonoosuc Volcanics in the Bronson Hill arc: Western New Hampshire, USA
Peter M. Valley, Gregory J. Walsh, Arthur J. Merschat, Ryan J. McAleer
2020, Geosphere (16) 229-257
U-Pb zircon geochronology by sensitive high-resolution ion microprobe–reverse geometry (SHRIMP-RG) on 11 plutonic rocks and two volcanic rocks from the Bronson Hill arc in western New Hampshire yielded Early to Late Ordovician ages ranging from 475 to 445 Ma. Ages from Oliverian Plutonic Suite rocks that intrude a largely mafic...
Seasonal variation in environmental and behavioural drivers of annual-cycle habitat selection in a nearshore seabird
J. S. Lamb, Y. G. Satgé, Patrick G.R. Jodice
2020, Diversity and Distributions (26) 254-266
AimConservation of highly mobile species often requires identifying locations or time periods of elevated vulnerability. Since both extrinsic habitat conditions and intrinsic behavioural and energetic requirements contribute to habitat use at the landscape scale, identifying spatial or temporal foci for conservation intervention requires understanding how habitat needs...
Successful molecular detection studies require clear communication among diverse research partners
B. A. Mosher, R. F. Bernard, Jeffrey M. Lorch, D. A. W. Miller, Katherine L. D. Richgels, C. LeAnn White, Evan H. Campbell Grant
2020, Frontiers in Ecology and the Environment (18) 43-51
Molecular detection techniques are powerful tools used in ecological applications ranging from diet analyses to pathogen surveillance. Research partnerships that use these tools often involve collaboration among professionals with expertise in field biology, laboratory techniques, quantitative modeling, wildlife disease, and natural resource management. However, in many cases, each of these...
Towards common ground in the biodiversity–disease debate
Jason R. Rohr, David J. Civitello, Fletcher W. Halliday, Peter J. Hudson, Kevin D. Lafferty, Chelsea L. Wood, Erin A. Mordecai
2020, Nature Ecology & Evolution (4) 24-33
The disease ecology community has struggled to come to consensus on whether biodiversity reduces or increases infectious disease risk, a question that directly affects policy decisions for biodiversity conservation and public health. Here, we summarize the primary points of contention regarding biodiversity–disease relationships and suggest that vector-borne, generalist wildlife and...
Dimensional effects of inter-phase mass transfer on attenuation of structurally trapped gaseous carbon dioxide in shallow aquifers
Jakub Solovsky, Radek Fucik, Michelle R. Plampin, Tissa H. Illangasekare, Jiri Mikyska
2020, Journal of Computational Physics (405)
Based on experimental evidence and using mathematical modeling, inter-phase mass transfer processes of CO2 exsolving from and dissolving into water in heterogeneous porous media are investigated under two fundamentally different flow conditions: in a quasi one dimensional vertical column and in a two-dimensional tank with a lateral background water flow, both...
Declining aluminum toxicity and the role of exposure duration on brook trout mortality in acidified streams of the Adirondack Mountains, New York, USA
Barry P. Baldigo, Scott George, Gregory B. Lawrence, Eric A. Paul
2020, Environmental Toxicology and Chemistry (39) 623-636
Mortality of brook trout Salvelinus fontinalis and water chemistry were characterized in 6 headwater streams in the western Adirondacks of New York during spring 2015, 2016, and 2017 and compared with results from analogous tests done between 1980 and 2003 in many of the same streams, to assess temporal changes in toxicity...
