Friction in clay-bearing faults increases with the ionic radius of interlayer cations
Hiroshi Sakuma, David A. Lockner, John Solum, Nick Davatzes
2022, Communications Earth & Environment (3)
Smectite can dramatically reduce the strength of crustal faults and may cause creep on natural faults without great earthquakes; however, the frictional mechanism remains unexplained. Here, our shear experiments reveal systematic increase in shear strength with the increase of the ionic radius of interlayer cations among...
Hidden in plain sight: Detecting invasive species when they are morphologically similar to native species
Samuel R Fisher, Robert N. Fisher, Gregory B. Pauly
2022, Frontiers in Conservation Science (3)
Early detection and rapid response (EDRR) can help mitigate and control invasive species outbreaks early on but its success is dependent on accurate identification of invasive species. We evaluated a novel outbreak in San Diego County, California of the Sonoran Spotted Whiptail (Aspidoscelis sonorae) in order to confirm their...
Machine learned daily life history classification using low frequency tracking data and automated modelling pipelines: Application to North American waterfowl
Cory T. Overton, Michael L. Casazza, Joseph Bretz, Fiona McDuie, Elliott Matchett, Desmond Alexander Mackell, Austen Lorenz, Andrea Mott, Mark P. Herzog, Josh T. Ackerman
2022, Movement Ecology (10)
BackgroundIdentifying animal behaviors, life history states, and movement patterns is a prerequisite for many animal behavior analyses and effective management of wildlife and habitats. Most approaches classify short-term movement patterns with high frequency location or accelerometry data. However, patterns reflecting life history across longer time scales can have...
Wildlife associates of nine-banded armadillo (Dasypus novemcinctus) burrows in Arkansas
Brett Alexander DeGregorio, John T. Veon, Andrhea Massey
2022, Ecology and Evolution (12)
The Nine-banded Armadillo (Dasypus novemcinctus) is a widespread burrowing species with an expanding geographic range across the southeastern and midwestern United States. Armadillos dig numerous, large burrows within their home ranges and these burrows are likely used by a diverse suite of wildlife species as has been reported for other...
Attraction, entrance, and passage efficiency of Arctic Grayling, trout, and suckers at Denil fishways in the Big Hole River basin, Montana
Ben Triano, Kevin M. Kappenman, Thomas E. McMahon, Matt Blank, Kurt C. Heim, Albert E. Parker, Alexander V. Zale, Nolan Platt, Katey Plymesser
2022, Transactions of the American Fisheries Society (151) 453-473
The Big Hole River basin in southwestern Montana supports the only indigenous, self‐sustaining fluvial population of Arctic Grayling Thymallus arcticus in the conterminous United States, but the basin is fragmented by numerous low‐head irrigation diversion dams. Denil fishways at 63 diversion dams provide Arctic Grayling and other fishes opportunities for year‐round access...
Credit where credit is due
Mark A. Parsons, Daniel S. Katz, Madison Langseth, Hampapuram Ramapriyan, Sarah Ramdeen
2022, Eos Science News
Credit is the currency of science. Scientists are evaluated and promoted in their jobs and professional communities on the basis of their recognized contributions to science. Unlike a financial contribution, a scientific contribution is difficult to measure. Traditionally, credit for scientific contributions has been given through authorship and citations in...
Geologic maps of the Stephenson and Winchester quadrangles, Frederick and Clarke Counties, Virginia, and Inwood and White Hall quadrangles, Berkeley and Jefferson Counties, West Virginia
David J. Weary, Daniel H. Doctor, Randall C. Orndorff
2022, Scientific Investigations Map 3487
The study area consists of four contiguous 7.5-minute quadrangles and is located in Frederick and Clarke Counties, Virginia, and Berkeley and Jefferson Counties, West Virginia. The individual quadrangles are Stephenson, Winchester, Inwood, and White Hall. The study area lies within the Great Valley subprovince of the Valley and Ridge physiographic...
Earthquakes indicated stress field change during the 2006 unrest of Augustine Volcano, Alaska
Yan Zhan, Diana Roman, Helene Le Mevel, John Power
2022, Geophysical Research Letters (49)
To examine controls on the local stress field at Augustine Volcano, Alaska, before its 2006 eruption, we calculated fault plane solutions for volcano-tectonic earthquakes from 2002 to 2006. The P-axis orientation was first aligned to the regional maximum compression (NW) and then rotated by about 90° (perpendicular to the dike...
Value of information: Exploring behavioral and social factors
Pierre D. Glynn, Scott J. Chiavacci, Charles Rhodes, Jennifer Helgeson, Carl D. Shapiro, Crista L. Straub
2022, Frontiers in Environmental Science (10)
There is growing interest within and beyond the economics community in assessing the value of information (VOI) used in decision making. VOI assessments often do not consider the complex behavioral and social factors that affect the perception, valuation, and use of information by individuals and groups. Additionally, VOI assessments frequently...
Evaluating aromatization of solid bitumen generated in the presence and absence of water: Implications for solid bitumen reflectance as a thermal proxy
Paul C. Hackley, Aaron M. Jubb, Patrick L. Smith, Ryan J. McAleer, Brett J. Valentine, Javin J. Hatcherian, Palma J. Botterell, Justin E. Birdwell
2022, International Journal of Coal Geology (258)
Geological models for petroleum generation suggest thermal conversion of oil-prone sedimentary organic matter in the presence of water promotes increased liquid saturate yield, whereas absence of water causes formation of an aromatic, cross-linked solid <a class="topic-link" title="Learn more about bitumen...
Using a multi-model ensemble approach to determine biodiversity hotspots with limited occurrence data in understudied areas: An example using freshwater mussels in México
Alexander H. Kiser, Kevin S. Cummings, Jeremy S. Tiemann, Chase H. Smith, Nathan A. Johnson, Roel R. Lopez, Charles R. Randklev
2022, Ecology and Evolution (15)
Species distribution models (SDMs) are an increasingly important tool for conservation particularly for difficult-to-study locations and with understudied fauna. Our aims were to (1) use SDMs and ensemble SDMs to predict the distribution of freshwater mussels in the Pánuco River Basin in Central México; (2) determine...
Long-term effects of prescribed fire on large tree growth in mixed conifer forests at Lassen Volcanic National Park, California
Zachary Wenderott, Phillip J. van Mantgem, Micah Wright, Calvin A. Farris, Rosemary L. Sherriff
2022, Forest Ecology and Management (517)
Prescribed fire in dry coniferous forests of the western U.S. is used to reduce fire hazards. How large, old trees respond to these treatments is an important management consideration. Growth is a key indicator of residual tree condition, which can be predictive of mortality and...
Temperature explains the formation of a metalimnetic oxygen minimum in a deep mesotrophic lake
Cory P. McDonald, Mahta Naziri Saeed, Dale M. Robertson, Stephanie Prellwitz
2022, Inland Waters (12) 331-340
Green Lake, a deep mesotrophic lake located in a primarily agricultural watershed in central Wisconsin, USA, has experienced annual metalimnetic oxygen minima since the early 20th century. However, the severity of the phenomenon has increased over time, and late-summer dissolved oxygen (DO) concentrations have typically been <3 mg L−1 in...
Accessibility of environmental data for sharing: The role of UX in large cyberinfrastructure projects
Rachel Volentine, Alison Specht, Suzie Allard, Mike Frame, Rachael Hu, Lisa Zolly
2022, Ecological Informatics (63)
Incorporating user experience (UX) testing when creating research cyberinfrastructure is often overlooked, but if left too late, the cost of retrofitting is considerable, and the very clients the cyberinfrastructure was built to serve may be lost. Successfully integrating UX testing into the product...
Quantifying the conservation status and abundance trends of wildlife communities with detection-nondetection data
Matthew T Farr, Timothy O O’Brien, Charles Yackulic, Elise F. Zipkin
2022, Conservation Biology (36)
Effective conservation requires understanding species' abundance patterns and demographic rates across space and time. Ideally, such knowledge should be available for whole communities, as variation in species' dynamics can elucidate factors leading to biodiversity losses. However, collecting data to simultaneously estimate abundance and demographic rates is often prohibitively time-intensive and...
Evaluation for internal consistency in the thermodynamic network involving fluorite, cryolite and villiaumite solubilities and aqueous species at 25°C and 1 bar
D. Kirk Nordstrom
2022, Mineralogical Magazine (86) 652-660
Thermodynamic data are constrained by the interrelated thermodynamic equations in addition to the observational measurements and their uncertainties. The consequence is a network of thermodynamic properties that can be evaluated for their internal consistency. In this study, three fluoride minerals that can cause high fluoride concentrations in...
Hybrid enrichment of adaptive variation revealed by genotype-environment associations in montane sedges
Richard G.J. Hodel, Robert Massatti, L Lacey Knowles
2022, Molecular Ecology (31) 3722-3737
The role of hybridization in diversification is complex and may result in many possible outcomes. Not only can hybridization produce new lineages, but those lineages may contain unique combinations of adaptive genetic variation derived from parental taxa that allow hybrid-origin lineages to occupy unique environmental space...
Central Midwest Water Science Center— Harmful Algal Blooms team
Katherine M. Summers, Heather M. Krempa, Jessica D. Garrett
2022, Fact Sheet 2022-3011
The U.S. Geological Survey (USGS) Central Midwest Water Science Center (CMWSC) includes three States—Illinois, Iowa, and Missouri. USGS water science centers across the Nation provide information on water resources including streamflow, water use, water availability, and the quality of surface water and groundwater (https://www.usgs.gov/mission-areas/water-resources).The USGS CMWSC Harmful Algal...
Estimating stream temperature in the Willamette River Basin, northwestern Oregon—A regression-based approach
Laurel E. Stratton Garvin, Stewart A. Rounds, Norman L. Buccola
2022, Scientific Investigations Report 2021-5022
The alteration of thermal regimes, including increased temperatures and shifts in seasonality, is a key challenge to the health and survival of federally protected cold-water salmonids in streams of the Willamette River basin in northwestern Oregon. To better support threatened fish species, the U.S. Army Corps of Engineers (USACE) and...
Flight characteristics forecast entry by eagles into rotor-swept zones of wind turbines
Brian W. Rolek, Melissa A. Braham, Tricia A. Miller, Adam E. Duerr, Todd E. Katzner, Jennifer D. McCabe, Leah Dunn, Christopher J.W. McClure
2022, Ibis (164) 968-980
Operators of wind power facilities can mitigate wildlife mortality by slowing or stopping wind turbines (hereafter ‘curtail’) when birds are at an increased risk of collision. Some facility operators curtail when individual birds have flight characteristics (e.g. altitude, distance or relative bearing of a bird's flight path) that exceed some...
Estimating occupancy from autonomous recording unit data in the presence of misclassifications and detection heterogeneity
Matt Clement, Andy Royle, Ronald Mixan
2022, Methods in Ecology and Evolution (13) 1719-1729
1. Autonomous Recording Units (ARUs) are now widely used to survey communities of species. These surveys generate spatially and temporally replicated counts of unmarked animals, but such data typically include false negatives and misclassified detections, both of which may vary across sites in proportion to abundance. These data challenges can...
A validation of satellite derived cyanobacteria detections with state reported events and recreation advisories across U.S. lakes
Peter Whitman, Blake Schaeffer, Wilson Salls, Megan Coffer, Sachidananda Mishra, Bridget Seegers, Keith A. Loftin, Richard Stumpf, P. Jeremy Werdell
2022, Harmful Algae (115)
Cyanobacteria harmful algal blooms (cyanoHABs) negatively affect ecological, human, and animal health. Traditional methods of validating satellite algorithms with data from water samples are often inhibited by the expense of quantifying cyanobacteria indicators in the field and the lack of public data....
Factors affecting interannual variation in diet and body lipid content of age-0 Scaphirhynchus sturgeon in the lower Missouri River, USA
A. Gonzalez, James M. Long, N.J.C. Gosch, A.P. Civiello, T.R. Gemeinhardt
2022, River Research and Applications (38) 1167-1178
The ability of young fish to find and consume food during early life history is an important factor affecting survival and recruitment. While dietary assessments for age-0 Scaphirhynchus sturgeon (shovelnose sturgeon and pallid sturgeon) in the Missouri River, USA have received increased attention over the last 15 years,...
Fuel reduction treatments reduce modeled fire intensity in the sagebrush steppe
Lisa M. Ellsworth, Beth A. Newingham, Scott Shaff, C. F. Rick Williams, Eva K. Strand, Matt Reeves, David A. Pyke, Eugene W. Schupp, Jeanne C. Chambers
2022, Ecosphere (13)
Increased fire size and frequency coupled with annual grass invasion pose major challenges to sagebrush (Artemisia spp.) ecosystem conservation, which is currently focused on protecting sagebrush community composition and structure. A common strategy for mitigating potential fire is to use fuel treatments that alter the structure and...
The researcher's lament: Why do they ignore my science?
Gustavo A. Bisbal
2022, Ecosphere (13)
The researcher's lament is shared by many environmental and conservation scientists who complain about the little support they receive for their research proposals during the review and selection process. Understandably, any hopes of having their anticipated scientific findings applied toward the formulation of environmental management decisions or natural resource policy...
