Decision making, risk, and uncertainty
Carol C. Russell, Kathleen S. Smith, Virginia T. McLemore
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. ...
Sylphella puccoon gen. n., sp. n. and two additional new species of aquatic oligochaetes (Lumbriculidae, Clitellata) from poorly-known lotic habitats in North Carolina (USA)
Pilar Rodriguez, Steven V. Fend, David R. Lenat
2014, ZooKeys (451) 1-32
Three new species of Lumbriculidae were collected from floodplain seeps and small streams in southeastern North America. Some of these habitats are naturally acidic. Sylphella puccoon gen. n., sp. n. has prosoporous male ducts in X-XI, and spermathecae in XII-XIII. Muscular, spherical atrial ampullae and acuminate penial sheaths distinguish this...
Diverse rupture modes for surface-deforming upper plate earthquakes in the southern Puget Lowland of Washington State
Alan R. Nelson, Stephen F. Personius, Brian L. Sherrod, Harvey M. Kelsey, Samuel Y. Johnson, Lee-Ann Bradley, Ray E. Wells
2014, Geosphere (10) 769-796
Earthquake prehistory of the southern Puget Lowland, in the north-south compressive regime of the migrating Cascadia forearc, reflects diverse earthquake rupture modes with variable recurrence. Stratigraphy and Bayesian analyses of previously reported and new 14C ages in trenches and cores along backthrust scarps in the Seattle fault zone restrict a large...
The geobiology of sediment-hosted mineral deposits
Clint Scott, Karen D. Kelley, John F. Slack
2014, Book chapter, Building exploration capability for the 21st century
The role of biological processes in the formation of sediment-hosted ore deposits has long been recognized. In this review, we focus on the biogeochemical cycling of C, Mn, Fe, and S as they relate to the formation of sediment-hosted Mn and Fe deposits, metalliferous black shales, clastic-dominated (CD) Pb-Zn deposits,...
Effects of Renibacterium salmoninarum on olfactory organs of Chinook salmon (Oncorhynchus tshawytscha) marked with coded wire tags
Diane G. Elliott, Carla M. Conway
D.W. Bruno, D.G. Elliott, B. Nowak, editor(s)
2014, Report, Proceedings of the European Association of Fish Pathologists 16th International Conference on Diseases of Fish and Shellfish Histopathology Workshop. Sensory System Pathology.
Bacterial kidney disease (BKD) caused by Renibacterium salmoninarum can cause significant morbidity and mortality in Chinook salmon (Oncorhynchus tshawytscha), particularly in Chinook salmon of the stream (spring) life history type, which migrate to sea as yearlings rather than subyearlings. R. salmoninarum can be transmitted vertically from the female parent to...
Age-Ratios and Condition of En Route Migrant Blackpoll Warblers in the British Virgin Islands
Clint W. Boal
2014, Wilson Journal of Ornithology (126) 568-574
The en route migration ecology of Blackpoll Warblers (Setophaga striata) is poorly understood, yet intriguing. Blackpoll Warblers undertake the longest open water migration of any wood warbler species, traveling from northeastern North America to South America, with the first potential landfall being the West Indies. This migration requires substantial energy...
Survivorship and longevity of adult Diamesa mendotae Muttkowski, 1915 (Diptera: Chironomidae) at controlled, sub-freezing temperatures
Jane E. Mazack, Petra Kranzfelder, Alyssa M. Anderson, William Bouchard Jr., James Perry, Bruce C. Vondracek, Leonard C. Ferrington Jr.
2014, Aquatic Insects (36) 35-42
Diamesa mendotae Muttkowski, 1915 is a winter-active species common in groundwater-buffered streams of Minnesota and Wisconsin. This species is capable of surviving under snow cover for at least 28 days. Field collections of adult D. mendotae were used to determine survivorship under long-term exposure to controlled sub-freezing conditions. Specimens were placed into a controlled...
Learning rate and temperament in a high predation risk environment
C. DePasquale, Tyler Wagner, G.A. Archard, B. Ferguson, V.A. Braithwaite
2014, Oecologia (176) 661-667
Living in challenging environments can influence the behavior of animals in a number of ways. For instance, populations of prey fish that experience frequent, nonlethal interactions with predators have a high proportion of individuals that express greater reaction to risk and increased activity and exploration—collectively known as temperament traits. Temperament...
Winter feeding, growth and condition of brown trout Salmo trutta in a groundwater-dominated stream
William E. French, Bruce C. Vondracek, Leonard C. Ferrington Jr., Jacques C. Finlay, Douglas J. Dieterman
2014, Journal of Freshwater Ecology (29) 187-200
Winter can be a stressful period for stream-dwelling salmonid populations, often resulting in reduced growth and survival. Stream water temperatures have been identified as a primary mechanism driving reductions in fitness during winter. However, groundwater inputs can moderate water temperature and may reduce winter severity. Additionally, seasonal reductions in prey...
Seismic evidence for a crustal magma reservoir beneath the upper east rift zone of Kilauea volcano, Hawaii
Guoqing Lin, Falk Amelung, Yan Lavallee, Paul G. Okubo
2014, Geology (42) 187-190
An anomalous body with low Vp (compressional wave velocity), low Vs (shear wave velocity), and high Vp/Vs anomalies is observed at 8–11 km depth beneath the upper east rift zone of Kilauea volcano in Hawaii by simultaneous inversion of seismic velocity structure and earthquake locations. We interpret this body to...
Carcass analog provides marine subsidies for macroinvertebrates and juvenile Atlantic 8 salmon in temperate oligotrophic streams
Margaret Q. Guyette, Cynthia S. Loftin, Joseph D. Zydlewski, Richard Cunjak
2014, Freshwater Biology (59) 392-406
Anadromous fish populations entering freshwater ecosystems provide organic matter and marine-derived nutrients during spawning and subsequent mortalities of adults. Dams and other impediments to connectivity in rivers and streams have affected anadromous fish populations in many regions and prevented or reduced this influx of organic materials and...
A comparison of two gears for quantifying abundance of lotic-dwelling crayfish
Kristi Williams, Shannon K. Brewer, Mark R. Ellersieck
2014, Journal of Crustacean Biology (34) 54-60
Crayfish (saddlebacked crayfish, Orconectes medius) catch was compared using a kick seine applied two different ways with a 1-m2 quadrat sampler (with known efficiency and bias in riffles) from three small streams in the Missouri Ozarks. Triplicate samples (one of each technique) were taken from two creeks and one headwater...
Stratigraphy, structure and regional correlation of eastern Blue Ridge sequences in southern Virginia and northwestern North Carolina: an interim report from new USGS mapping
Mark W. Carter, Arthur J. Merschat
2014, GSA Field Guides (35) 215-241
Examination of key outcrops in the eastern Blue Ridge in southern Virginia and northwestern North Carolina is used to evaluate existing stratigraphic and structural models. Recent detailed mapping along the Blue Ridge Parkway and the eastern flank of the Mount Rogers massif provides the opportunity to (1) evaluate legacy...
Captive propagation, reproductive biology, and early life history of the Diamond Darter (Crystallaria cincotta)
Crystal L. Ruble, Patrick L. Rakes, John R. Shute, Stuart A. Welsh
2014, American Midland Naturalist (172) 107-118
Reproductive biology and early life history data are critical for the conservation and management of rare fishes. During 2008–2012 a captive propagation study was conducted on the Diamond Darter, Crystallaria cincotta, a rare species with a single extant population in the lower Elk River, West Virginia. Water temperatures during spawning ranged...
Stable occupancy by breeding hawks (Buteo spp.) over 25 years on a privately managed bunchgrass prairie in northeastern Oregon, USA
Patricia L. Kennedy, Anne M. Bartuszevige, Marcy Houle, Ann B. Humphrey, Katie M. Dugger, John Williams
2014, The Condor (116) 435-445
Potential for large prairie remnants to provide habitat for grassland-obligate wildlife may be compromised by nonsustainable range-management practices. In 1979–1980, high nesting densities of 3 species of hawks in the genus Buteo—Ferruginous Hawk (Buteo regalis), Red-tailed Hawk (B. jamaicensis), and Swainson's Hawk (B. swainsoni)—were documented on the Zumwalt Prairie and surrounding...
Post-breeding migration of Dutch-breeding black-tailed godwits: timing, routes, use of stopovers, and nonbreeding destinations
Jos C. E. W. Hooijmeijer, Nathan R. Senner, T. Lee Tibbitts, Robert E. Gill Jr., David C. Douglas, Leo W. Bruinzeel, Eddy Wymenga, Theunis Piersma
2014, Ardea (101) 141-152
Conservation of long-distance migratory shorebirds is complex because these species use habitats spread across continents and hemispheres, making identification of critical habitats and potential bottlenecks in the annual cycle especially difficult. The population of Black-tailed Godwits that breeds in Western Europe, Limosa limosa limosa, has declined precipitously over the past...
Population demographics and life history of the round hickorynut (Obovaria subrotunda) in the Duck River, Tennessee
Chase Ehlo, James B. Layzer
2014, American Midland Naturalist (171) 1-15
Population characteristics and life history aspects of healthy mussel populations are poorly understood. The reproductive cycle, age and growth, and population structure of Obovaria subrotunda were examined at four sites in the middle Duck River, Tennessee. Obovaria subrotunda was confirmed to be a bradytictic species, spawning in the late summer and holding glochidia in...
U.S. Geological Survey Science for the Wyoming Landscape Conservation Initiative - 2013 Annual Report
Zachary H. Bowen, Cameron L. Aldridge, Patrick J. Anderson, Timothy J. Assal, Carleton R. Bern, Laura R Biewick, Gregory K. Boughton, Anna D. Chalfoun, Geneva W. Chong, Marie K. Dematatis, Bradley C. Fedy, Steven L. Garman, Steve Germaine, Matthew G. Hethcoat, Collin G. Homer, Christopher Huber, Matthew J. Kauffman, Natalie Latysh, Daniel J. Manier, Cynthia P. Melcher, Kirk A. Miller, Christopher J. Potter, Spencer Schell, Michael J. Sweat, Annika W. Walters, Anna B. Wilson
2014, Open-File Report 2014-1213
This is the sixth report produced by the U.S. Geological Survey (USGS) for the Wyoming Landscape Conservation Initiative (WLCI) to detail annual activities conducted by USGS for addressing specific management needs identified by WLCI partners. In FY2013, there were 25 ongoing and new projects conducted by the USGS. These projects...
Well log and 2D seismic data character of the Wilcox Group in south-central Louisiana
Catherine B. Enomoto
2014, Gulf Coast Association of Geological Societies Transactions (64) 105-118
Well logs and 2D seismic data were used to interpret the depth and morphology of potential Paleocene and lower Eocene Wilcox Group slope and basin-floor reservoirs in south-central Louisiana. These may occur in a poorly explored area previously estimated by the U.S. Geological Survey to contain a mean undiscovered conventional...
Predicting Impacts of tropical cyclones and sea-Level rise on beach mouse habitat
Q. Chen, Hongqing Wang, Lixia Wang, Robert Tawes, Drew Rollman
2014, Journal of Coastal Research (68) 12-19
Alabama beach mouse (ABM) (Peromyscus polionotus ammobates) is an important component of the coastal dune ecosystem along the Gulf of Mexico. Due to habitat loss and degradation, ABM is federally listed as an endangered species. In this study, we examined the impacts of storm surge and wind waves, which are...
Ground-motion site effects from multimethod shear-wave velocity characterization at 16 seismograph stations deployed for aftershocks of the August 2011 Mineral, Virginia earthquake
William J. Stephenson, Jackson K. Odum, Daniel E. McNamara, Robert A. Williams, Stephen J Angster
2014, GSA Special Papers (509) 47-65
We characterize shear-wave velocity versus depth (Vs profile) at 16 portable seismograph sites through the epicentral region of the 2011 Mw 5.8 Mineral (Virginia, USA) earthquake to investigate ground-motion site effects in the area. We used a multimethod acquisition and analysis approach, where active-source horizontal shear (SH) wave reflection and refraction...
Evapotranspiration variability and its association with vegetation dynamics in the Nile Basin, 2002–2011
Henok Alemu, Gabriel B. Senay, Armel T. Kaptue, Valeriy Kovalskyy
2014, Remote Sensing (6) 5885-5908
Evapotranspiration (ET) is a vital component in land-atmosphere interactions. In drylands, over 90% of annual rainfall evaporates. The Nile Basin in Africa is about 42% dryland in a region experiencing rapid population growth and development. The relationship of ET with climate, vegetation and land cover in the basin during 2002–2011...
Science is the first step to siting nuclear waste repositories
Christopher E. Neuzil
2014, Eos, Earth and Space Science News (95) 71-71
As Shaw [2014] notes, U.S. research on shale as a repository host was halted before expending anything close to the effort devoted to studying crystalline rock, salt, and - most notably - tuff at Yucca Mountain. The new political reality regarding Yucca Mountain may allow reconsideration of the decision to...
Estuarine removal of glacial iron and implications for iron fluxes to the ocean
Andrew W. Schroth, John Crusius, Ian Hoyer, Robert Campbell
2014, Geophysical Research Letters (41) 3951-3958
While recent work demonstrates that glacial meltwater provides a substantial and relatively labile flux of the micronutrient iron to oceans, the role of high-latitude estuary environments as a potential sink of glacial iron is unknown. Here we present the first quantitative description of iron removal in a meltwater-dominated estuary. We...
Influence of variable rainbow smelt and gizzard shad abundance on walleye diets and growth
Mark J. Fincel, Daniel J. Dembkowski, Steven R. Chipps
2014, Lake and Reservoir Management (30) 258-267
Prey availability influences growth and condition of walleye (Sander vitreus) in large systems. In Lake Oahe, South Dakota, rainbow smelt (Osmerus mordax) and gizzard shad (Dorosoma cepedianum) are primary prey of walleye, but their abundance varies substantially year to year. To evaluate the influence of gizzard...
