Temperature sensitivity of organic-matter decay in tidal marshes
Matthew L. Kirwan, Glenn R. Guntenspergen, J.A. Langley
2014, Biogeosciences (11) 4801-4808
Approximately half of marine carbon sequestration takes place in coastal wetlands, including tidal marshes, where organic matter contributes to soil elevation and ecosystem persistence in the face of sea-level rise. The long-term viability of marshes and their carbon pools depends, in part, on how the balance between productivity and decay...
Stress, distance, magnitude, and clustering influences on the success or failure of an aftershock forecast: the 2013 M 6.6 Lushan earthquake and other examples
Thomas E. Parsons, M. Segou
2014, Seismological Research Letters (85) 44-51
No abstract available....
A simple headspace equilibration method for measuring dissolved methane
C Magen, L. L. Lapham, John W. Pohlman, Kristin N. Marshall, S. Bosman, Michael Casso, J. P. Chanton
2014, Limnology and Oceanography: Methods (12) 637-650
Dissolved methane concentrations in the ocean are close to equilibrium with the atmosphere. Because methane is only sparingly soluble in seawater, measuring it without contamination is challenging for samples collected and processed in the presence of air. Several methods for analyzing dissolved methane are described in the literature, yet none...
The role of defensible space for residential structure protection during wildfires
Alexandra D. Syphard, Teresa J. Brennan, Jon E. Keeley
2014, International Journal of Wildland Fire (23) 1165-1175
With the potential for worsening fire conditions, discussion is escalating over how to best reduce effects on urban communities. A widely supported strategy is the creation of defensible space immediately surrounding homes and other structures. Although state and local governments publish specific guidelines and requirements, there is little empirical evidence...
Holocene and latest Pleistocene paleoseismology of the Salt Lake City segment of the Wasatch Fault Zone, Utah, at the Penrose Drive Trench Site
Christopher B. DuRoss, Michael D. Hylland, Greg N. McDonald, Anthony J. Crone, Stephen F. Personius, Ryan D. Gold, Shannon Mahan
2014, Report, Evaluating surface faulting chronologies of Graben-Bounding Faults in Salt Lake Valley, Utah: new paleoseismic data from the Salt Lake City segment of the Wasatch Fault Zone and the West Valley Fault Zone
The Salt Lake City segment (SLCS) of the Wasatch fault zone (WFZ) and the West Valley fault zone (WVFZ) compromise Holocene-active normal faults that bound a large intrabasin graben in northern Salt Lake Valley and have evidence of recurrent, large-magnitude (M ~6-7) surface-faulting earthquakes. However, at the time of this...
Southern San Andreas Fault evaluation field activity: approaches to measuring small geomorphic offsets--challenges and recommendations for active fault studies
Katherine M. Scharer, J. Barrett Salisbury, J. Ramon Arrowsmith, Thomas K. Rockwell
2014, Seismological Research Letters (85) 68-76
In southern California, where fast slip rates and sparse vegetation contribute to crisp expression of faults and microtopography, field and high‐resolution topographic data (<1 m/pixel) increasingly are used to investigate the mark left by large earthquakes on the landscape (e.g., Zielke et al., 2010; Zielke et al., 2012; Salisbury, Rockwell, et...
Transcriptome resources for the frogs Lithobates clamitans and Pseudacris regilla, emphasizing antimicrobial peptides and conserved loci for phylogenetics
Laura S. Robertson, Robert S. Cornman
2014, Molecular Ecology Resources (14) 178-183
We developed genetic resources for two North American frogs, Lithobates clamitans and Pseudacris regilla, widespread native amphibians that are potential indicator species of environmental health. For both species, mRNA from multiple tissues was sequenced using 454 technology. De novo assemblies with Mira3 resulted in 50 238 contigs (N50 = 687...
Yellowstone grizzly bear investigations—Annual report of the Interagency Grizzly Bear Study Team 2013
Frank T. van Manen, Mark A. Haroldson, Karrie West, Suzanna C. Soileau, editor(s)
2014, Report
This Annual Report summarizes results of grizzly bear (Ursus arctos) monitoring and research conducted in the Greater Yellowstone Ecosystem (GYE) by the Interagency Grizzly Bear Study Team (IGBST) during 2013. The report also contains a summary of nuisance grizzly bear management actions. ...
Ancient aqueous environments at Endeavour crater, Mars
R. E. Arvidson, S. W. Squyres, J.F. Bell III, J.G. Catalano, B.C. Clark, L.S. Crumpler, P.A. de Souza Jr., A.G. Fairén, W. H. Farrand, V.K. Fox, Ralf Gellert, A. Ghosh, M.P. Golombeck, J.P. Grotzinger, E.A. Guinness, Kenneth E. Herkenhoff, B.L. Jolliff, A.H. Knoll, R. Li, S. M. McLennan, D. W. Ming, D. W. Mittlefehldt, Johnnie N. Moore, R.V. Morris, S.L. Murchie, T. J. Parker, G. Paulsen, J.W. Rice, S. W. Ruff, M. D. Smith, M.J. Wolff
2014, Science (343)
Opportunity has investigated in detail rocks on the rim of the Noachian age Endeavour crater, where orbital spectral reflectance signatures indicate the presence of Fe+3-rich smectites. The signatures are associated with fine-grained, layered rocks containing spherules of diagenetic or impact origin. The layered rocks are overlain by breccias, and both...
Vegetation classification and mapping Vicksburg National Military Park, Mississippi
C. Lea, B. Waltermire, C. Nordman
2014, Report
No abstract available....
Movements and activity of juvenile Brown Treesnakes (Boiga irregularis)
Bjorn Lardner, Julie A. Savidge, Robert N. Reed, Gordon H. Rodda
2014, Copeia (2014) 428-436
Understanding the spatial ecology and foraging strategy of invasive animals is essential for success in control or eradication. We studied movements and activity in juvenile Brown Treesnakes on Guam, as this population segment has proven particularly difficult to control. Distance between daytime refugia (from telemetry of 18 juveniles, 423-800 mm...
Uranium-series ages of corals, sea level history, and palaeozoogeography, Canary Islands, Spain: an exploratory study for two Quaternary interglacial periods
Daniel R. Muhs, Joaquin Meco, Kathleen R. Simmons
2014, Palaeogeography, Palaeoclimatology, Palaeoecology (394) 99-118
We present the first U-series ages of corals from emergent marine deposits on the Canary Islands. Deposits at + 20 m are 481 ± 39 ka, possibly correlative to marine isotope stage (or MIS) 11, while those at + 12 and + 8 m are 120.5 ± 0.8 ka and...
Response to comment on "Cancer risk from incidental ingestion exposures to PAHs associated with coal-tar-sealed pavement"
E. Spencer William, Barbara Mahler, Peter C. Van Metre
2014, Environmental Science & Technology (48) 870-871
No abstract available....
A new species of Eimeria Schneider, 1875 (Apicomplexa: Eimeriidae) from the Solomon ground skink, Sphenomorphus solomonis (Boulenger) (Sauria: Scincidae) from Papua New Guinea
Chris T. McAllister, Donald W. Duszynski, Robert N. Fisher, Christopher C. Austin
2014, Systematic Parasitology (87) 83-86
Between September 1990 and November 1991, 19 Sphenomorphus spp. skinks, including nine S. jobiense, three S. simus, and seven Solomon ground skinks, S. solomonis (Boulenger), were collected from Madang and Morobe Provinces, Papua New Guinea (PNG), and examined for coccidia. A single S. solomonis was found to be infected with...
Mountain plover nest survival in relation to prairie dog and fire dynamics in shortgrass steppe
David J. Augustine, Susan K. Skagen
2014, Journal of Wildlife Management (78) 595-602
Disturbed xeric grasslands with short, sparse vegetation provide breeding habitat for mountain plovers (Charadrius montanus) across the western Great Plains. Maintaining local disturbance regimes through prairie dog conservation and prescribed fire may contribute to the sustainability of recently declining mountain plover populations, but these management approaches can be controversial. We...
Space use of wintering waterbirds in India: Influence of trophic ecology on home-range size
Tsewang Namgail, John Y. Takekawa, Sivananinthaperumal Balachandran, Ponnusamy Sathiyaselvam, Taej Mundkur, Scott H. Newman
2014, Current Zoology (60) 616-621
Relationship between species' home range and their other biological traits remains poorly understood, especially in migratory birds due to the difficulty associated with tracking them. Advances in satellite telemetry and remote sensing techniques have proved instrumental in overcoming such challenges. We studied the space use of migratory ducks through satellite...
Wintering ecology of adult North American ospreys
Brian E. Washburn, Mark S. Martell, Richard O. Bierregaard Jr., Charles J. Henny, Brian S. Dorr, Thomas J. Olexa
2014, Journal of Raptor Research (48) 325-333
North American Ospreys (Pandion haliaetus) typically migrate long distances to their wintering grounds in the tropics. Beyond the general distribution of their wintering range (i.e., the Caribbean, South America, and Central America), very little is known about the wintering ecology of these birds. We used satellite telemetry to determine the...
Sampling considerations in the mining environment
Kathleen S. Smith, Virginia T. McLemore, Carol C. Russell
Virginia T. McLemore, Kathleen S. Smith, Carol C. Russell, editor(s)
2014, Book chapter, Sampling and monitoring for the mine life cycle: Management technologies for metal mining influenced water
No abstract available. ...
Glacial and Quaternary geology of the northern Yellowstone area, Montana and Wyoming
Kenneth L. Pierce, Joseph M. Licciardi, Teresa R. Krause, Cathy Whitlock
2014, GSA Field Guides (37) 189-203
This field guide focuses on the glacial geology and paleoecology beginning in the Paradise Valley and progressing southward into northern Yellowstone National Park. During the last (Pinedale) glaciation, the northern Yellowstone outlet glacier flowed out of Yellowstone Park and down the Yellowstone River Valley into the Paradise Valley. The field...
Dendroclimatic potential of plains cottonwood (Populus deltoides subsp. monilifera) from the Northern Great Plains, USA
Jesse Edmonson, Jonathan Friedman, David Meko, Ramzi Touchan, Julian Scott, Alan Edmonson
2014, Tree-Ring Research (70) 21-30
A new 368-year tree-ring chronology (A.D. 1643–2010) has been developed in western North Dakota using plains cottonwood (Populus deltoides subsp. monilifera) growing on the relatively undisturbed floodplain of the Little Missouri River in the North Unit of Theodore Roosevelt National Park. We document many slow-growing living trees between 150–370 years old that contradict...
Suspended particulate layers and internal waves over the southern Monterey Bay continental shelf: an important control on shelf mud belts?
Olivia M. Cheriton, Erika E. McPhee-Shaw, William J. Shaw, Timothy P. Stanton, James G. Bellingham, Curt D. Storlazzi
2014, Journal of Geophysical Research C: Oceans (119) 428-444
Physical and optical measurements taken over the mud belt on the southern continental shelf of Monterey Bay, California documented the frequent occurrence of suspended particulate matter features, the majority of which were detached from the seafloor, centered 9–33 m above the bed. In fall 2011, an automated profiling mooring and...
A tetrapod-like repertoire of innate immune receptors and effectors for coelacanths
Pierre Boudinot, Jun Zou, Tatsuya Ota, Francesco Buonocore, Giuseppe Scapigliati, Adriana Canapa, John Cannon, Gary Litman, John D. Hansen
2014, Journal of Experimental Zoology Part B: Molecular and Developmental Evolution (322) 415-437
The recent availability of both robust transcriptome and genome resources for coelacanth (Latimeria chalumnae) has led to unique discoveries for coelacanth immunity such as the lack of IgM, a central component of adaptive immunity. This study was designed to more precisely address the origins and evolution of gene families involved...
The geochemistry of deep-sea coral skeletons: a review of vital effects and applications for palaeoceanography
Laura F. Robinson, Jess F. Adkins, Norbert Frank, Alexander C. Gagon, Nancy G. Prouty, E. Brendan Roark, Tina van de Flierdt
2014, Deep-Sea Research Part II: Topical Studies in Oceanography (99) 184-198
Deep-sea corals were discovered over a century ago, but it is only over recent years that focused efforts have been made to explore the history of the oceans using the geochemistry of their skeletal remains. They offer a promising archive of past oceanic environments given their global distribution, layered growth...
Mount St. Helens, Washington, USA
Chris Newhall, Peter Frenzen, Carolyn L. Driedger
Patricia Erfurt-Cooper, editor(s)
2014, Book chapter, Volcanic tourist destinations
May 18, 1980. Sunrise and a crystal-clear morning. Mount St. Helens was a beautiful, peaceful, snow-capped mountain surrounded by pristine forests and lakes(Fig. 15.1). Yes, it was known to be spitting ash and shaking, but it was still fundamentally the same Mount St. Helens that had for decades been a favorite...
Corridor- and stopover-use of the Hawaiian goose (Branta sandvicensis), an intratropical altitudinal migrant
Christina R. Leopold, Steven C. Hess
2014, Journal of Tropical Ecology (30) 67-78
We outfitted six male Hawaiian geese, or nene (Branta sandvicensis), with 45-g solar-powered satellite transmitters and collected four location coordinates d−1 from 2010 to 2012. We used 6193 coordinates to characterize migration corridors, habitat preferences and temporal patterns of displacement for 16 migration events with Brownian bridge utilization distributions (BBUD)....
