Assessing the location and magnitude of the 20 October 1870 Charlevoix, Quebec, earthquake
John E. Ebel, Megan Dupuy, William H. Bakun
2013, Bulletin of the Seismological Society of America (103) 588-594
The Charlevoix, Quebec, earthquake of 20 October 1870 caused damage to several towns in Quebec and was felt throughout much of southeastern Canada and along the U.S. Atlantic seaboard from Maine to Maryland. Site‐specific damage and felt reports from Canadian and U.S. cities and towns were used in analyses of...
Laramide basin CSI: Comprehensive stratigraphic investigations of Paleogene sediments in the Colorado Headwaters Basin, north-central Colorado
Marieke Dechesne, James C. Cole, James H. Trexler, Patricia Cashman, Christopher D Peterson
2013, Book chapter, Classic concepts and new directions: Exploring 125 years of GSA discoveries in the Rocky Mountain Region
The Paleogene sedimentary deposits of the Colorado Headwaters Basin provide a detailed proxy record of regional deformation and basin subsidence during the Laramide orogeny in north-central Colorado and southern Wyoming. This field trip presents extensive evidence from sedimentology, stratigraphy, structure, palynology, and isotope geochronology that shows a complex history that...
A critique of the use of indicator-species scores for identifying thresholds in species responses
Thomas F. Cuffney, Song S. Qian
2013, Freshwater Science (32) 471-488
Identification of ecological thresholds is important both for theoretical and applied ecology. Recently, Baker and King (2010, King and Baker 2010) proposed a method, threshold indicator analysis (TITAN), to calculate species and community thresholds based on indicator species scores adapted from Dufrêne and Legendre (1997). We tested the ability of...
Rethinking infiltration in wildfire-affected soils
Brian A. Ebel, John A. Moody
2013, Hydrological Processes (27) 1510-1514
Wildfires frequently result in natural hazards such as flash floods (Yates et al., 2001) and debris flows (Cannon et al., 2001a,b; Gabet and Sternberg, 2008). One of the principal causes of the increased risk of post-wildfire hydrologically driven hazards is reduced in filtration rates (e.g. Scott and van Wyk, 1990;...
Seasonal variation in age-specific movement patterns of red drum Sciaenops ocellatus inferred from conventional tagging and telemetry
Nathan M. Bacheler, Lee M. Paramore, Summer M. Burdick, Jeffery A. Buckel, Joseph E. Hightower
2013, Report
We used 25 years of conventional tagging (n = 6173 recoveries) and 3 years of ultrasonic telemetry data (n = 105 transmitters deployed) to examine movement rates and directional preferences of four age classes of red drum Sciaenops ocellatus in North Carolina. Movement rates of tagged red drum were dependent...
Regulation of striped bass and hybrid striped bass fisheries in the United States
William R. Collier, Phillip William Bettoli, George D. Scholten, Timothy N. Churchill
2013, American Fisheries Society Symposium (80)
No abstract available....
Unique challenges facing Southwestern tribes: Chapter 17
Margaret Hiza, Karletta Chief, Kirk Bemis, Mahesh Gautam, Beth Rose Middleton, Rebecca Tsosie
2013, Book chapter, Assessment of climate change in the southwest United States
Executive Summary When considering climate change, risks to Native American lands, people, and cultures are noteworthy. Impacts on Native lands and communities are anticipated to be both early and severe due to their location in marginal environments. Because Native American societies are socially, culturally, and politically unique, conventional climate change adaptation...
Evaluating a multispecies adaptive management framework: Must uncertainty impede effective decision-making?
David R. Smith, Conor P. McGowan, Jonathan P. Daily, James D. Nichols, John A. Sweka, James E. Lyons
2013, Journal of Applied Ecology (50) 1431-1440
Application of adaptive management to complex natural resource systems requires careful evaluation to ensure that the process leads to improved decision-making. As part of that evaluation, adaptive policies can be compared with alternative nonadaptive management scenarios. Also, the value of reducing structural (ecological) uncertainty to achieving management objectives can be...
An evaluation of automated GIS tools for delineating karst sinkholes and closed depressions from 1-meter LIDAR-derived digital elevation data
Daniel H. Doctor, John A. Young
2013, Conference Paper, Sinkholes and the Engineering and Environmental Impacts of Karst: Proceedings of the Thirteenth Multidisciplinary Conference
LiDAR (Light Detection and Ranging) surveys of karst terrains provide high-resolution digital elevation models (DEMs) that are particularly useful for mapping sinkholes. In this study, we used automated processing tools within ArcGIS (v. 10.0) operating on a 1.0 m resolution LiDAR DEM in order to delineate sinkholes and closed depressions...
Field guide to selected sites along the Idaho Cobalt Belt (ICB) and to the Beartrack Gold Deposit, in the eastern Salmon River Mountains
Arthur A. Bookstrom, George King, Robert A. Perry, John Childs
2013, Northwest Geology (42) 163-186
This field guide provides a road log to and geologic descriptions of selected sites in the Idaho cobalt belt, and at the Beartrack gold mine, in the eastern Salmon River Mountains....
Making the case for the Picuris orogeny: Evidence for a 1500 to 1400 Ma orogenic event in the southwestern United States
Christopher G. Daniel, James V. Jones III, Christopher L. Andronicos, Mary Beth Gray
Lon D. Abbott, Gregory S. Hancock, editor(s)
2013, Book chapter, Classic concepts and new directions: Exploring 125 years of GSA discoveries in the Rocky Mountain region
The early Mesoproterozoic (ca. 1400 Ma) is an enigmatic time in the tectonic evolution of southern Laurentia. Circa 1400 Ma granites within Laurentia and multiple other continents have distinctive geochemistry consistent with crustal extension or mantle upwelling. In the southwestern United States, these granites are commonly foliated...
Integrating GIS across disciplines: how the intersection of biology and geography has influenced fisheries GIS
William L. Fisher
T. Nishida, A. E. Canton, editor(s)
2013, Book chapter, GIS/Spatial Analyses in Fishery and Aquatic Sciences, volume 5
No abstract available....
Management guidelines for enhancing Cerulean Warbler breeding habitat in Appalachian hardwood forests
Petra Wood, James Sheehan, Patrick D. Keyser, David A. Buehler, Jeff Larkin, Amanda D. Rodewald, Scott H. Stoleson, T. Bently Wigley, Jeremy Mizel, Than J. Boves, Greg George, Marja H. Bakermans, Tiffany A. Beachy, Andrea Evans, Molly E. McDermott, Felicity L. Newell, Kelly A. Perkins, Matt White
2013, Report
The Cerulean Warbler (Setophaga cerulea) is a migratory songbird that breeds in mature deciduous forests of eastern North America. Cerulean Warblers (hereafter, ceruleans) require heavily forested landscapes for nesting and, within Appalachian forests, primarily occur on ridge tops and steep, upper slopes. They are generally associated with oakdominated (Quercus spp.)...
Future distribution of tundra refugia in northern Alaska
Andrew G. Hope, Eric Waltari, David C. Payer, Joseph A. Cook, Sandra L. Talbot
2013, Nature Climate Change (3) 931-938
Climate change in the Arctic is a growing concern for natural resource conservation and management as a result of accelerated warming and associated shifts in the distribution and abundance of northern species. We introduce a predictive framework for assessing the future extent of Arctic tundra and boreal biomes in northern...
Fish population failure caused by an environmental estrogen is long-lasting and regulated by direct and parental effects on survival and fecundity
Adam R. Schwindt, Dana L. Winkelman
2013, Thesis, The population ecology of fathead minnows (<i>Pimephales promelas</i>) in estrogen contaminated environments
Despite significant research demonstrating effects of estrogens such as 17α - ethinylestradiol (EE2) on fish, the underlying mechanisms regulating population failure are unknown. Projected water shortages could leave waterways increasingly dominated by wastewater effluent and understanding mechanisms is necessary for conservation and management. Here we identify mechanisms of...
A Structured approach to incidental take decision making
Conor P. McGowan
2013, Environmental Management (51) 241-250
Decision making related to incidental take of endangered species under U.S. law lends itself well to a structured decision making approach. Incidental take is the permitted killing, harming, or harassing of a protected species under the law as long as that harm is incidental to an otherwise lawful activity and...
Abundance: Population size and density estimation
Mark S. Udevitz, William R. Gould
Abdel H. El-Shaarawi, Walter W. Piegorsch, editor(s)
2013, Book chapter, Encyclopedia of environmetrics
Estimates of population size (total number of individuals) or density (number of individuals per unit area) are some of the most basic requirements for wildlife research and management. This article provides a brief overview of approaches for wildlife population estimation. These include habitat‐based approaches such as quadrat, line intercept, distance,...
The Chaitén rhyolite lava dome: Eruption sequence, lava dome volumes, rapid effusion rates and source of the rhyolite magma
John S. Pallister, Angela K. Diefenbach, William C. Burton, Jorge Munoz, Julia P. Griswold, Luis E. Lara, Jacob B. Lowenstern, Carolina E. Valenzuela
2013, Andean Geology (40) 277-294
We use geologic field mapping and sampling, photogrammetric analysis of oblique aerial photographs, and digital elevation models to document the 2008-2009 eruptive sequence at Chaitén Volcano and to estimate volumes and effusion rates for the lava dome. We also present geochemical and petrologic data that contribute to understanding the source...
Status and trends of pelagic prey fishes in Lake Huron, 2012
David M. Warner, Timothy P. O’Brien, Steve A. Farha, Jeff Schaeffer, Stephen Lenart
2013, Conference Paper
The USGS Great Lakes Science Center (GLSC) conducted acoustic/midwater trawl surveys of Lake Huron during 1997 and annually during 2004-2012. The 2012 survey was conducted during September and October, and included transects in Lake Huron’s Main Basin, Georgian Bay, and North Channel. Pelagic fish density (638 fish/ha) was lower in...
Valley plugs, land use, and phytogeomorphic response: Chapter 14
Aaron R. Pierce, Sammy L. King
John F. Shroder, editor(s)
2013, Book chapter, Treatise on Geomorphology: Ecogeomorphology
Anthropogenic alteration of fluvial systems can disrupt functional processes that provide valuable ecosystem services. Channelization alters fluvial parameters and the connectivity of river channels to their floodplains which is critical for productivity, nutrient cycling, flood control, and biodiversity. The effects of channelization can be exacerbated by local geology and land-use...
Metadata squared: enhancing its usability for volunteered geographic information and the GeoWeb
Barbara S. Poore, Eric B. Wolf
Daniel Z. Sui, Sarah Elwood, Michael F. Goodchild, editor(s)
2013, Book chapter, Crowdsourcing geographic knowledge volunteered geographic information (VGI) in theory and practice
The Internet has brought many changes to the way geographic information is created and shared. One aspect that has not changed is metadata. Static spatial data quality descriptions were standardized in the mid-1990s and cannot accommodate the current climate of data creation where nonexperts are using mobile phones and other...
Distribution of burrowing owls in east-central South Dakota
Jill A. Shaffer, Jason P. Thiele
2013, The Prairie Naturalist (45) 60-64
Western burrowing owl (Athene cunicularia hypugaea) populations have declined across much of western North America, particularly at the northern and eastern edges of the species’ breeding range (Martell et al. 2001, Murphy et al. 2001, Shyry et al. 2001, Skeel et al. 2001, Klute et al. 2003). In South Dakota,...
Polar bear use of a persistent food subsidy: insights from non-invasive genetic sampling in Alaska
Elizabeth L. Peacock, Jason Herreman
2013, Ursus (24) 148-163
Remains of bowhead whales (Balaena mysticetus) harvested by Iñupiat whalers are deposited in bone piles along the coast of Alaska and have become persistent and reliable food sources for polar bears (Ursus maritimus). The importance of bone piles to individuals and the population, the patterns of use, and the number,...
Migration patterns of Western High Arctic (Grey-belly) Brant Branta bernicla
W. Sean Boyd, David H. Ward, Donald K. Kraege, Alyssa A. Gerick
2013, Wildfowl (3) 3-25
This study describes the seasonal migration patterns of Western High Arctic Brant (WHA, or Grey-belly Brent Geese), Branta bernicla, an admixed population that breeds in the Canadian High Arctic and winters along the Pacific coast of North America. Adult WHA Brant were captured in family groups on Melville Island (75°23’N, 110°50’W)...
Future climate: Projected average
Daniel Cayan, Mary Tyree, Kenneth E. Kunkel, Chris Castro, Alexander Gershunov, Joseph Barsugli, Andrea Ray, Jonathan Overpeck, Michael Anderson, Joellen Russell, Balaji Rajagopalan, Imtiaz Rangwala, Phil Duffy
Gregg Garfin, Angela Jardine, Robert W. Merideth, Mary Black, Sarah LeRoy, editor(s)
2013, Book chapter, Assessment of climate change in southwest United States: a report prepared for the National Climate Assessment
No abstract available....
