Synergistic and singular effects of river discharge and lunar illumination on dam passage of upstream migrant yellow-phase American eels
Stuart A. Welsh, Joni L. Aldinger, Melissa A. Braham, Jennifer L. Zimmerman
2016, ICES Journal of Marine Science (73) 33-42
Monitoring of dam passage can be useful for management and conservation assessments of American eel, particularly if passage counts can be examined over multiple years. During a 7-year study (2007–2013) of upstream migration of American eels within the lower Shenandoah River (Potomac River drainage), we counted and measured...
Water-quality assessment of the Lower Grand River Basin, Missouri and Iowa, USA, in support of integrated conservation practices
Donald H. Wilkison, Daniel J. Armstrong
2016, River Research and Applications (32) 583-596
The effectiveness of agricultural conservation programmes to adequately reduce nutrient exports to receiving streams and to help limit downstream hypoxia issues remains a concern. Quantifying programme success can be difficult given that short-term basin changes may be masked by long-term water-quality shifts. We evaluated nutrient export at stream sites in...
Assessing juvenile native fish demographic responses to a steady flow experiment in a large regulated river
Colton G. Finch, William E. Pine III, Charles B. Yackulic, Michael J. Dodrill, Michael D. Yard, Brandon S. Gerig, Coggins Jr., Josh Korman
2016, River Research and Applications (32) 763-775
The Colorado River below Glen Canyon Dam, Arizona, is part of an adaptive management programme which optimizes dam operations to improve various resources in the downstream ecosystem within Grand Canyon. Understanding how populations of federally endangered humpback chub Gila cypha respond to these dam operations is a high priority. Here,...
Diel activity patterns of juvenile late fall-run Chinook salmon with implications for operation of a gated water diversion in the Sacramento–San Joaquin River Delta
John M. Plumb, Noah S. Adams, Russell W. Perry, Christopher Holbrook, Jason G. Romine, Aaron R. Blake, Jon R. Burau
2016, River Research and Applications (32) 711-720
In the Sacramento-San Joaquin River Delta, California, tidal forces that reverse river flows increase the proportion of water and juvenile late fall-run Chinook salmon diverted into a network of channels that were constructed to support agriculture and human consumption. This area is known as the interior delta, and it has...
Nest predation research: Recent findings and future perspectives
Anna D. Chalfoun, J. D. Ibanez-Alamo, R. D. Magrath, Kenneth A. Schmidt, R. L. Thomson, Juan C. Oteyza, T. M. Haff, T. E. Martin
2016, Journal of Ornithology (156) 247-262
Nest predation is a key source of selection for birds that has attracted increasing attention from ornithologists. The inclusion of new concepts applicable to nest predation that stem from social information, eavesdropping or physiology has expanded our knowledge considerably. Recent methodological advancements now allow focus on all three players...
Community structure of age-0 fishes in paired mainstem and created shallow-water habitats in the Lower Missouri River
Trevor A. Starks, James M. Long, Andrew R. Dzialowski
2016, River Research and Applications (32) 753-762
Anthropogenic alterations to aquatic ecosystems have greatly reduced and homogenized riverine habitat, especially those used by larval and juvenile fishes. Creation of shallow-water habitats is used as a restoration technique in response to altered conditions in several studies globally, but only recently in the USA. In the summer of 2012,...
Economic consequence analysis of the Arkstorm scenario
Ian Sue Wing, Adam Rose, Anne M. Wein
2016, National Hazards Review (17)
The business interruption (BI) impacts of ARkStorm, a severe winter storm scenario developed by the U.S. Geological Survey and partners, is estimated. BI stems from losses of building function, productivity of agricultural land, and lifeline services. A dynamic computable general equilibrium model of the California economy is developed to perform...
If Arctic charr Salvelinus alpinus is “the most diverse vertebrate,” what is the lake charr Salvelinus namaycush?
Andrew M. Muir, Michael J. Hansen, Charles R. Bronte, Charles C. Krueger
2016, Fish and Fisheries (17) 1194-1207
Teleost fishes are prominent vertebrate models of evolution, illustrated among old-world radiations by the Cichlidae of East African Great Lakes and new-world radiations by the circumpolar Arctic charr Salvelinus alpinus. Herein, we describe variation in lake charr S. namaycush morphology, life history, physiology, and ecology, as another example of radiation....
Linking biophysical models and public preferences for ecosystem service assessments: a case study for the Southern Rocky Mountains
Kenneth J. Bagstad, James Reed, Darius J. Semmens, Benson C. Sherrouse, Austin Troy
2016, Regional Environmental Change (16) 2005-2018
Through extensive research, ecosystem services have been mapped using both survey-based and biophysical approaches, but comparative mapping of public values and those quantified using models has been lacking. In this paper, we mapped hot and cold spots for perceived and modeled ecosystem services by synthesizing results from a social-values mapping...
Arsenic cycling in hydrocarbon plumes: secondary effects of natural attenuation
Isabelle M. Cozzarelli, Madeline E. Schreiber, Melinda L. Erickson, Brady A. Ziegler
2016, Groundwater Monitoring & Remediation (54) 35-45
Monitored natural attenuation is widely applied as a remediation strategy at hydrocarbon spill sites. Natural attenuation relies on biodegradation of hydrocarbons coupled with reduction of electron acceptors, including solid phase ferric iron (Fe(III)). Because arsenic (As) adsorbs to Fe-hydroxides, a potential secondary effect of natural attenuation of hydrocarbons coupled with...
Breeding loggerhead marine turtles Caretta caretta in Dry Tortugas National Park, USA, show high fidelity to diverse habitats near nesting beaches
Kristen M. Hart, David G. Zawada, Autumn R. Sartain-Iverson, Ikuko Fujisaki
2016, Oryx (50) 283-288
We used satellite telemetry to identify in-water habitat used by individuals in the smallest North-west Atlantic subpopulation of adult nesting loggerhead turtles Caretta caretta during the breeding season. During 2010, 2011 and 2012 breeding periods, a total of 20 adult females used habitats proximal to nesting beaches with various levels of protection...
Postnatal growth rates covary weakly with embryonic development rates and do not explain adult mortality probability among songbirds on four continents
Thomas E. Martin, Juan C. Oteyza, Adam E. Mitchell, Ahva L. Potticary, P. Lloyd
2016, American Naturalist (185) 380-369
Growth and development rates may result from genetic programming of intrinsic processes that yield correlated rates between life stages. These intrinsic rates are thought to affect adult mortality probability and longevity. However, if proximate extrinsic factors (e.g., temperature, food) influence development rates differently between stages and yield low covariance between...
Process, policy, and implementation of pool-wide drawdowns on the Upper Mississippi River: a promising approach for ecological restoration of large impounded rivers
Kevin P. Kenow, Gretchen Benjamin, Tim Schlagenhaft, Ruth Nissen, Mary Stefanski, Gary Wege, Scott A. Jutila, Teresa J. Newton
2016, River Research and Applications (32) 295-308
The Upper Mississippi River (UMR) has been developed and subsequently managed for commercial navigation by the U.S. Army Corps of Engineers (USACE). The navigation pools created by a series of lock and dams initially provided a complex of aquatic habitats that supported a variety of fish and wildlife. However, biological...
Agricultural damages and losses from ARkStorm scenario flooding in California
Anne Wein, David Mitchell, Jeff Peters, John Rowden, Johnny Tran, Alessandra Corsi, Laura B. Dinitz
2016, Natural Hazards Review (17)
Scientists designed the ARkStorm scenario to challenge the preparedness of California communities for widespread flooding with a historical precedence and increased likelihood under climate change. California is an important provider of vegetables, fruits, nuts, and other agricultural products to the nation. This study analyzes the agricultural damages...
Ocean acidification buffering effects of seagrass in Tampa Bay
Kimberly K. Yates, Ryan P. Moyer, Christopher Moore, David A. Tomasko, Nathan A. Smiley, Legna M. Torres-Garcia, Christina E. Powell, Amanda R. Chappel, Ioana Bociu
Nathan Smiley, Legna M. Torres-Garcia, Christina E. Powell, Amanda R. Chappel, Ioana Bociu, editor(s)
2016, Conference Paper, Proceedings, Tampa Bay Area Scientific Information Symposium, BASIS 6
The Intergovernmental Panel on Climate Change has identified ocean acidification as a critical threat to marine and estuarine species in ocean and coastal ecosystems around the world. However, seagrasses are projected to benefit from elevated atmospheric pCO2, are capable of increasing seawater pH and carbonate mineral saturation states through photosynthesis,...
Survival, growth, and movement of subadult humpback chub, Gila cypha, in the Little Colorado River, Arizona
Maria C. Dzul, Charles B. Yackulic, Dennis M. Stone, David R. Van Haverbeke
2016, River Research and Applications (32) 373-382
Ecologists estimate vital rates, such as growth and survival, to better understand population dynamics and identify sensitive life history parameters for species or populations of concern. Here, we assess spatiotemporal variation in growth, movement, density, and survival of subadult humpback chub living in the Little Colorado River, Grand Canyon, AZ...
Collaborative Studies for Mercury Characterization in Coal and Coal Combustion Products, Republic of South Africa
Allan Kolker, Constance L. Senior, Chris van Alphen
2016, Open-File Report 2014-1153
Mercury (Hg) analyses were obtained for 42 samples of feed coal provided by Eskom, the national electric utility of South Africa, representing all 13 coal-fired power stations operated by Eskom in South Africa. This sampling includes results for three older power stations returned to service starting in the late 2000s....
Urban sprawl as a risk factor in motor vehicle crashes
Reid Ewing, Shima Hamidi, James B. Grace
2016, Urban Studies (53) 247-266
A decade ago, compactness/sprawl indices were developed for metropolitan areas and counties which have been widely used in health and other research. In this study, we first update the original county index to 2010, then develop a refined index that accounts for more relevant factors, and finally seek to test...
Aptian ‘Shale Gas’ Prospectivity in the Downdip Mississippi Interior Salt Basin, Gulf Coast, USA
Paul C. Hackley, Brett J. Valentine, Catherine B. Enomoto, Celeste D. Lohr, Krystina R. Scott, Frank T. Dulong, Alana M. Bove
2016, Conference Paper, Unconventional Resources Technology Conference Proceedings
This study evaluates regional ‘shale gas’ prospectivity of the Aptian section (primarily Pine Island Shale) in the downdip Mississippi Salt Basin (MSB). Previous work by the U.S. Geological Survey estimated a mean undiscovered gas resource of 8.8 trillion cubic feet (TCF) in the chronostratigraphic-equivalent Pearsall Formation in the Maverick Basin...
Atlantic salmon, Salmo salar L. are broadly susceptible to isolates representing the North American genogroups of infectious hematopoietic necrosis virus
Gael Kurath, James R. Winton, Ole B. Dale, Maureen K. Purcell, Knut Falk, Robert D. Busch
2016, Journal of Fish Diseases (39) 55-67
Beginning in 1992, three epidemic waves of infectious hematopoietic necrosis, often with high mortality, occurred in farmed Atlantic salmon Salmo salar L. on the west coast of North America. We compared the virulence of eleven strains of infectious hematopoietic necrosis virus (IHNV), representing the U, M and L genogroups, in experimental challenges...
Natural flow regimes of the Ozark-Ouachita Interior Highlands region
Douglas R. Leasure, Daniel D. Magoulick, S. D. Longing
2016, River Research and Applications (32) 18-35
Natural flow regimes represent the hydrologic conditions to which native aquatic organisms are best adapted. We completed a regional river classification and quantitative descriptions of each natural flow regime for the Ozark–Ouachita Interior Highlands region of Arkansas, Missouri and Oklahoma. On the basis of daily flow records from 64 reference...
New insights into debris-flow hazards from an extraordinary event in the Colorado Front Range
Jeffrey A. Coe, Jason W. Kean, Jonathan W. Godt, Rex L. Baum, Eric S. Jones, David Gochis, Gregory S Anderson
2016, GSA Today (24) 4-10
Rainfall on 9–13 September 2013 triggered at least 1,138 debris flows in a 3430 km2 area of the Colorado Front Range. The historical record reveals that the occurrence of these flows over such a large area in the interior of North America is highly unusual. Rainfall that triggered the debris...
Raft and floating radio frequency identification (RFID) antenna systems for detecting and estimating abundance of PIT-tagged fish in rivers
Eric R. Fetherman, Brian W. Avila, Dana L. Winkelman
2016, North American Journal of Fisheries Management (34) 1065-1077
Portable radio frequency identification (RFID) PIT tag antenna systems are increasingly being used in studies examining aquatic animal movement, survival, and habitat use, and their design flexibility permits application in a wide variety of settings. We describe the construction, use, and performance of two portable floating RFID PIT...
Behavioural thermoregulation and bioenergetics of riverine smallmouth bass associated with ambient cold-period thermal refuge
Jacob T. Westhoff, Craig P. Paukert, Sarah Ettinger-Dietzel, H.R. Dodd, Michael Siepker
2016, Ecology of Freshwater Fish (25) 72-85
Smallmouth bass in thermally heterogeneous streams may behaviourally thermoregulate during the cold period (i.e., groundwater temperature greater than river water temperature) by inhabiting warm areas in the stream that result from high groundwater influence or springs. Our objectives were to determine movement of smallmouth bass (Micropterus dolomieu) that use thermal...
Regional analysis of social characteristics for evacuation resource planning: ARkStorm scenario
Anne Wein, Jamie L. Ratliff, Allan Baez, Rachel Sleeter
2016, Natural Hazards Review (17)
Local planning is insufficient for regional catastrophes; regional exercises are needed to test emergency plans and decision-making structures. The ARkStorm scenario would trigger a mass evacuation that would be complicated by the social characteristics of populations [e.g., vehicle ownership, age, poverty, English language limitation (ELL), and shelter needs]. Land cover...
