A Common Loon incubates rocks as surrogates for eggs
Stephen DeStefano, Kiana K. G. Koenen, Jillian W. Pereira
2013, Northeastern Naturalist (20) 143-147
A nesting Gavia immer (Common Loon) was discovered incubating 2 rocks on a floating nest platform on the Quabbin reservoir in central Massachusetts for 43 days, well beyond the typical period of 28 days, before we moved in to investigate. The rocks were likely unearthed in the soil and vegetation used on...
Evaluating spatial overlap and relatedness of white-tailed deer in a chronic wasting disease management zone
Michael D. Samuel, Seth B. Magle, Timothy R. Van Deelen, Stacie J. Robinson, Nancy E. Mathews
2013, PLoS ONE (8)
Wildlife disease transmission, at a local scale, can occur from interactions between infected and susceptible conspecifics or from a contaminated environment. Thus, the degree of spatial overlap and rate of contact among deer is likely to impact both direct and indirect transmission of infectious diseases such chronic wasting disease (CWD)...
Ocean climate indicators: A monitoring inventory and plan for tracking climate change in the north-central California coast and ocean region
Benet Duncan, Kelley Higgason, Tom Suchanek, John Largier, Jay Stachowicz, Sarah Allen, Steven Bograd, R. Breen, Holly Gellerman, Tessa Hill, Jaime Jahncke, Rebecca L. Johnson, Steve I. Lonhart, Steven Morgan, Frances Wilkerson, Jan Roletto
2013, Report
The impacts of climate change, defined as increasing atmospheric and oceanic carbon dioxide and associated increases in average global temperature and oceanic acidity, have been observed both globally and on regional scales, such as in the North-central California coast and ocean, a region that extends from Point Arena to Point...
Sedimentation in mountain streams: A review of methods of measurement
Lara B. Hedrick, James T. Anderson, Stuart A. Welsh, Lian-Shin Lin
2013, Natural Resources (4) 92-104
The goal of this review paper is to provide a list of methods and devices used to measure sediment accumulation in wadeable streams dominated by cobble and gravel substrate. Quantitative measures of stream sedimentation are useful to monitor and study anthropogenic impacts on stream biota, and stream sedimentation is measurable...
Catalogue of Life: 2013 Annual Checklist
David T. Nicolson, Yuri Roskov, Thomas Kunze, Luvie Paglinawan, Thomas Orrell, Alistair Culham, Nicolas Bailly, Paul Kirk, Thierry Bourgoin, Guy Baillargeon, Franciso Hernandez, Aaike De Wever
2013, Report
The most comprehensive and authoritative global index of species currently available, it consists of a single integrated species checklist and taxonomic hierarchy. It is available (1) as a DVD and booklet; and (2) on the Web. The contact for the booklet and DVD is Thomas Orrell at the Smithsonian Institution,...
Hydraulically controlled discrete sampling from open boreholes
Philip T. Harte
2013, Groundwater (51) 822-827
Groundwater sampling from open boreholes in fractured-rock aquifers is particularly challenging because of mixing and dilution of fluid within the borehole from multiple fractures. This note presents an alternative to traditional sampling in open boreholes with packer assemblies. The alternative system called ZONFLO (zonal flow) is based on hydraulic control...
Identification and specialization as a waterfowl hunter
Susan A. Schroeder, David C. Fulton, Jeffrey S. Lawrence, Steven D. Cordts
2013, Leisure Science (35) 218-234
Like specialization, identity offers a way for differentiating and understanding recreationists and for gaining insight into the question of participant progression in an activity. We examined how identity related to measures of specialization among lapsed and current waterfowl hunters. Lapsed hunters included those who had purchased a Minnesota waterfowl stamp...
Research strategies for addressing uncertainties
David E. Busch, Levi D. Brekke, Kristen Averyt, Angela Jardine, Leigh Welling
2013, Book chapter, Assessment of climate change in the Southwest U.S.
There is an immense volume of information pertaining to research needs for addressing climate change uncertainties and resolving key information gaps. Fortunately, multiple independent efforts to establish research priorities have yielded similar results. Input on research needs is being used to craft national scientific priorities and strategies that are being...
Biological effects-based tools for monitoring impacted surface waters in the Great Lakes: a multiagency program in support of the Great Lakes Restoration Initiative
Drew R. Ekman, Gerald T. Ankley, Vicki Blazer, Timothy W. Collette, Natàlia Garcia-Reyero, Luke R. Iwanowicz, Zachary G. Jorgensen, Kathy Lee, Pat M. Mazik, David H. Miller, Edward J. Perkins, Edwin T. Smith, Joseph E. Tietge, Daniel L. Villeneuve
2013, Environmental Practice (15) 409-426
There is increasing demand for the implementation of effects-based monitoring and surveillance (EBMS) approaches in the Great Lakes Basin to complement traditional chemical monitoring. Herein, we describe an ongoing multiagency effort to develop and implement EBMS tools, particularly with regard to monitoring potentially toxic chemicals and assessing Areas of Concern...
Effects of prescribed fire on Coluber constrictor Mormon in coastal San Mateo County, California
Michelle E. Thompson, Brian J. Halstead, Glenn D. Wylie, Melissa Amarello, Jeffrey J. Smith, Michael L. Casazza, Eric J. Routman
2013, Herpetological Conservation and Biology (8) 602-615
Although prescribed burns are used in many locations where reptiles are present, the effects of fire on reptiles are poorly understood. our objective was to determine the effects of prescribed fire on the Western yellow-bellied racer, Coluber constrictor mormon, at a study site in coastal san Mateo county, california. We sampled an...
Brant (Branta bernicla)
T.L. Lewis, David H. Ward, James S. Sedinger, Austin Reed, Dirk V. Derksen
2013, The Birds of North America
No abstract available...
Introduction to a special section: Ecology, culture, and management of Burbot
Martin A. Stapanian, Charles P. Madenjian
2013, Transactions of the American Fisheries Society (142) 1659-1661
The Burbot Lota lota is the only truly freshwater member of the cod family (Gadidae) and one of only two species of freshwater fish that have a circumpolar range (McPhail and Lindsey 1970; McPhail and Paragamian 2000). Two subspecies of Lota lota have been documented: Lota lota maculosa, which is...
The 2011 M = 9.0 Tohoku oki earthquake more than doubled the probability of large shocks beneath Tokyo
Shinji Toda, Ross S. Stein
2013, Geophysical Research Letters (40) 2562-2566
1] The Kanto seismic corridor surrounding Tokyo has hosted four to five M ≥ 7 earthquakes in the past 400 years. Immediately after the Tohoku earthquake, the seismicity rate in the corridor jumped 10-fold, while the rate of normal focal mechanisms dropped in half. The seismicity rate decayed for 6–12 months, after which it...
Incorporating probabilistic seasonal climate forecasts into river management using a risk-based framework
Richard S. Sojda, Erin Towler, Mike Roberts, Balaji Rajagopalan
2013, Water Resources Research (49) 4997-5008
[1] Despite the influence of hydroclimate on river ecosystems, most efforts to date have focused on using climate information to predict streamflow for water supply. However, as water demands intensify and river systems are increasingly stressed, research is needed to explicitly integrate climate into streamflow forecasts that are relevant to...
Space use and movements of moose in Massachusetts: implications for conservation of large mammals in a fragmented environment
David W. Wattles, Stephen DeStefano
2013, Alces (49) 65-81
Moose (Alces alces) have recently re-occupied a portion of their range in the temperate deciduous forest of the northeastern United States after a >200 year absence. In southern New England, moose encounter different forest types, more human development, and higher temperatures than in other parts of their geographic range in...
Distance, dams and drift: What structures populations of an endangered, benthic stream fish?
James H. Roberts, Paul L. Angermeier, Eric M. Hallerman
2013, Freshwater Biology (58) 2050-2064
Spatial population structure plays an important role in species persistence, evolution and conservation. Benthic stream fishes are diverse and frequently imperilled, yet the determinants and spatial scaling of their population structure are understudied. We investigated the range-wide population genetic structure of Roanoke logperch (Percina rex), an endangered, benthic stream fish...
Telescoping metamorphic isograds: Evidence from 40Ar/39A dating in the Orange-Milford belt, southern Connecticut
Michael J. Kunk, Gregory J. Walsh, Martha L. Growdon, Robert P. Wintsch
2013, American Journal of Science (313) 1017-1053
New 40Ar/39Ar ages for hornblende and muscovite from the Orange-Milford belt in southern Connecticut reflect cooling from Acadian amphibolite facies metamorphism between ∼380 to 360 Ma followed by retrograde recrystallization of fabric-forming muscovite and chlorite during lower greenschist facies Alleghanian transpression at ∼280 Ma. Reported field temperature and pressure gradients...
Rapid chemical evolution of tropospheric volcanic emissions from Redoubt Volcano, Alaska, based on observations of ozone and halogen-containing gases
Cynthia A. Werner, Peter J. Kelly, Christoph Kern, T.J. Roberts, A. Aluppe
2013, Journal of Volcanology and Geothermal Research (259) 317-333
We report results from an observational and modeling study of reactive chemistry in the tropospheric plume emitted by Redoubt Volcano, Alaska. Our measurements include the first observations of Br and I degassing from an Alaskan volcano, the first study of O3 evolution in a volcanic plume, as well as the first...
Moose habitat in Massachusetts: Assessing use at the southern edge of the range
David W. Wattles, Stephen DeStefano
2013, Alces (49) 133-147
Moose (Alces alces) have recently re-occupied a portion of their range in the temperate deciduous forest of the northeastern United States after a more than 200 year absence. In southern New England, moose are exposed to a variety of forest types, increasing development, and higher ambient temperatures as compared to...
New microsatellite loci isolated via next-generation sequencing for two endangered pronghorn from the Sonoran Desert
Adrian Munguia-Vega, Anastasia Klimova, Melanie Culver
2013, Conservation Genetics Resources (5) 125-127
We isolated 16 novel microsatellite loci in two subspecies of endangered desert pronghorns (Antilocapra americana sonoriensis and Antilocapra americana peninsularis) using a shotgun pyrosequencing approach. All and 87.5 % of the loci were polymorphic within each subspecies, respectively. The mean number of alleles per locus was 4.86 (range 2–8) and...
Re‐estimated effects of deep episodic slip on the occurrence and probability of great earthquakes in Cascadia
Nicholas M. Beeler, Evelyn A. Roeloffs, Wendy McCausland
2013, Bulletin of the Seismological Society of America (104) 128-144
Mazzotti and Adams (2004) estimated that rapid deep slip during typically two week long episodes beneath northern Washington and southern British Columbia increases the probability of a great Cascadia earthquake by 30–100 times relative to the probability during the ∼58 weeks between slip events. Because the...
Use of fragile geologic structures as indicators of unexceeded ground motions and direct constraints on probabilistic seismic hazard analysis
J. W. Baker, John W. Whitney, Thomas C. Hanks, Norman A. Abramson, Mark P. Board
2013, BSSA (103) 1898-1911
We present a quantitative procedure for constraining probabilistic seismic hazard analysis results at a given site, based on the existence of fragile geologic structures at that site. We illustrate this procedure by analyzing precarious rocks and undamaged lithophysae at Yucca Mountain, Nevada. The key metric is the probability that the...
Thermal tolerance of meltwater stonefly Lednia tumana nymphs from an alpine stream in Waterton–Glacier International Peace Park, Montana, USA
Hilary G. Billman, J. Joseph Giersch, K.M. Kappenman, Clint C. Muhlfeld, Molly A. H. Webb
2013, Freshwater Science (32) 597-605
Global climate change threatens to affect negatively the structure, function, and diversity of aquatic ecosystems worldwide. In alpine systems, the thermal tolerances of stream invertebrates can be assessed to understand better the potential effects of rising ambient temperatures and continued loss of glaciers and snowpack on alpine stream ecosystems. We...
Localized extinction of an arboreal desert lizard caused by habitat fragmentation
Adrian Munguia-Vega, Ricardo Rodriguez-Estrella, William W. Shaw, Melanie Culver
2013, Biological Conservation (157) 11-20
We adopted a species’ perspective for predicting extinction risk in a small, endemic, and strictly scansorial lizard (Urosaurus nigricaudus), in an old (∼60 year) and highly fragmented (8% habitat remaining) agricultural landscape from the Sonoran Desert, Mexico. We genotyped 10 microsatellite loci in 280 individuals from 11 populations in fragmented and continuous...
Stable stress‐drop measurements and their variability: Implications for ground‐motion prediction
Thomas C. Hanks, Annemarie S. Baltay, Gregory C. Beroza
2013, BSSA (103) 211-222
We estimate the arms‐stress drop, Graphic, (Hanks, 1979) using acceleration time records of 59 earthquakes from two earthquake sequences in eastern Honshu, Japan. These acceleration‐based static stress drops compare well to stress drops calculated for the same events by Baltay et al. (2011) using an empirical Green’s function (eGf) approach....
