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...
Woodland dynamics at the northern range periphery: A challenge for protected area management in a changing world
Scott L. Powell, Andrew J. Hansen, Thomas J. Rodhouse, Lisa K. Garrett, Julio L. Betancourt, Gordon H. Dicus, Meghan K. Lonneker
2013, PLoS ONE (8)
Managers of protected natural areas increasingly are confronted with novel ecological conditions and conflicting objectives to preserve the past while fostering resilience for an uncertain future. This dilemma may be pronounced at range peripheries where rates of change are accelerated and ongoing invasions often are perceived as threats to local...
Book review: Economic geology: Principles and practice: Metals, minerals, coal and hydrocarbons—Introduction to formation and sustainable exploitation of mineral deposits
Eric D. Anderson
2013, Economic Geology (108) 1517-1518
This volume, available in both hardcover and paperback, is an English translation of the fifth edition of the German language text Mineralische und Energie-Rohstoffe. The book provides an extensive overview of natural resources and societal issues associated with extracting raw materials. The comprehensive list of raw materials discussed includes metals,...
Sorption of pure N2O to biochars and other organic and inorganic materials under anhydrous conditions
Gerard Cornelissen, David W. Rutherford, Hans Peter H. Arp, Peter Dorsch, Charlene N. Kelly, Colleen E. Rostad
2013, Environmental Science & Technology (47) 7704-7712
Suppression of nitrous oxide (N2O) emissions from soil is commonly observed after amendment with biochar. The mechanisms accounting for this suppression are not yet understood. One possible contributing mechanism is N2O sorption to biochar. The sorption of N2O and carbon dioxide (CO2) to four biochars was measured in an anhydrous...
Biochar effect on maize yield and soil characteristics in five conservation farming sites in Zambia
Gerard Cornelissen, Vegard Martinsen, Victor Shitumbanuma, Vanja Alling, Gijs D. Breedveld, David W. Rutherford, Magnus Sparrevik, Sarah E. Hale, Alfred Obia, Jan Mulder
2013, Agronomy Journal (3) 256-274
Biochar addition to agricultural soils can improve soil fertility, with the added bonus of climate change mitigation through carbon sequestration. Conservation farming (CF) is precision farming, often combining minimum tillage, crop rotation and residue retention. In the present farmer-led field trials carried out in Zambia, the use of a low...
Assessing and measuring wetland hydrology
Donald O. Rosenberry, Masaki Hayashi
James T. Anderson, Craig A. Davis, editor(s)
2013, Book chapter, Wetland techniques, Volume 1 Foundations
Virtually all ecological processes that occur in wetlands are influenced by the water that flows to, from, and within these wetlands. This chapter provides the “how-to” information for quantifying the various source and loss terms associated with wetland hydrology. The chapter is organized from a water-budget perspective, with sections associated...
Riverine habitat dynamics
R. B. Jacobson
2013, Book chapter
The physical habitat template is a fundamental influence on riverine ecosystem structure and function. Habitat dynamics refers to the variation in habitat through space and time as the result of varying discharge and varying geomorphology. Habitat dynamics can be assessed at spatial scales ranging from the grain (the smallest resolution...
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....
Managing the impacts of endocrine disrupting chemicals in wastewater-impacted streams
Celeste A. Journey, Paul M. Bradley, Dana W. Kolpin
Paul M. Bradley, editor(s)
2013, Book chapter, Current perspectives in contaminant hydrology and water resources sustainability
A revolution in analytical instrumentation circa 1920 greatly improved the ability to characterize chemical substances [1]. This analytical foundation resulted in an unprecedented explosion in the design and production of synthetic chemicals during and post-World War II. What is now often referred to as the 2nd Chemical Revolution has provided...
Estimating abundance of adult striped bass in reservoirs using mobile hydroacoustics
Joseph E. Hightower, J. Christopher Taylor, Donald J. Degan
2013, American Fisheries Society Symposium (80) 279-289
Hydroacoustic surveys have proven valuable for estimating reservoir forage fish abundance but are more challenging for adult predators such as striped bass Morone saxatilis. Difficulties in assessing striped bass in reservoirs include their low density and the inability to distinguish species with hydroacoustic data alone. Despite these difficulties, mobile hydroacoustic...
Tagging methods for estimating population size and mortality rates of inland striped bass populations
Joseph E. Hightower, Kenneth H. Pollock
2013, American Fisheries Society Symposium (80) 249-262
Striped bass Morone saxatilis in inland reservoirs play an important role ecologically and in supporting recreational fishing. To manage these populations, biologists need information about abundance and mortality. Abundance estimates can be used to assess the effectiveness of stocking programs that maintain most reservoir striped bass populations. Mortality estimates can...
Channel unit use by Smallmouth Bass: Do land-use constraints or quantity of habitat matter?
Shannon K. Brewer
2013, North American Journal of Fisheries Management (33) 351-358
I examined how land use influenced the distribution of Smallmouth Bass Micropterus dolomieu in channel units (discrete morphological features—e.g., pools) of streams in the Midwestern USA. Stream segments (n = 36), from four clusters of different soil and runoff conditions, were identified that had the highest percent of forest (n = 12), pasture (n =...
Comparison of DNA preservation methods for environmental bacterial community samples
Michael A. Gray, Zoe A. Pratte, Christina A. Kellogg
2013, FEMS Microbiology Ecology (83) 468-477
Field collections of environmental samples, for example corals, for molecular microbial analyses present distinct challenges. The lack of laboratory facilities in remote locations is common, and preservation of microbial community DNA for later study is critical. A particular challenge is keeping samples frozen in transit. Five nucleic acid preservation methods...
Zinc isotope and transition-element dynamics accompanying hydrozincite biomineralization in the Rio Naracauli, Sardinia, Italy
Richard B. Wanty, F. Podda, Giovanni De Giudici, R. Cidu, Pierfranco Lattanzi
2013, Chemical Geology (337-338) 1-10
The Rio Naracauli in SW Sardinia drains part of the Ingurtosu Zn–Pb mining district, and contains extreme concentrations of dissolved Zn at near-neutral pH. In the upper reaches of the stream, pH, alkalinity and Zn concentrations are such that hydrozincite [Zn5(CO3)2(OH)6] precipitates in a biologically mediated process facilitated by a...
Land use and carbon dynamics in the southeastern United States from 1992 to 2050
Shuqing Zhao, Shuguang Liu, Terry L. Sohl, Claudia Young, Jeremy M. Werner
2013, Environmental Research Letters (8) 1-9
Land use and land cover change (LUCC) plays an important role in determining the spatial distribution, magnitude, and temporal change of terrestrial carbon sources and sinks. However, the impacts of LUCC are not well understood and quantified over large areas. The goal of this study was to...
Statewide summary for Louisiana: Chapter E in Emergent wetlands status and trends in the northern Gulf of Mexico: 1950-2010
Lawrence R. Handley, Kathryn A. Spear, Jenneke Visser, Cindy A. Thatcher, Scott A. Wilson
2013, Report, Emergent wetlands status and trends in the northern Gulf of Mexico: 1950-2010
Throughout the past century, emergent wetlands have been declining across the Gulf of Mexico. Emergent wetland ecosystems provide a variety of resources, including plant and wildlife habitat, commercial and recreational economic activity, and natural barriers against storms. As emergent wetland losses increase, so does the need for information on the...
Statewide summary for Alabama
Lawrence R. Handley, Kathryn A. Spear, Stephen Jones, Cindy A. Thatcher
2013, Report, Emergent wetlands status and trends in the northern Gulf of Mexico: 1950-2010
Alabama is over 132,000 km2 (51,000 miles2) in area, 483 km (300 miles) long, and 322 km (200 miles) wide (Copeland, 1968). Coastal Alabama comprises Mobile and Baldwin Counties and the surrounding State waters in the Gulf of Mexico (Figure 1; O’Neil and Mettee, 1982). It is part of both...
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;...
Glacier variability in the conterminous United States during the twentieth century
Gregory J. McCabe, Andrew G. Fountain
2013, Climate Change (116) 565-577
Glaciers of the conterminous United States have been receding for the past century. Since 1900 the recession has varied from a 24 % loss in area (Mt. Rainier, Washington) to a 66 % loss in the Lewis Range of Montana. The rates of retreat are generally similar with a rapid loss in...
Transport and fate of microbial pathogens in agricultural settings
Scott A. Bradford, Veronica L. Morales, Wei Zhang, Ronald W. Harvey, Aaron I. Packman, Arvind Mohanram, Claire Welty
2013, Critical Reviews in Environmental Science and Technology (43) 775-893
An understanding of the transport and survival of microbial pathogens (pathogens hereafter) in agricultural settings is needed to assess the risk of pathogen contamination to water and food resources, and to develop control strategies and treatment options. However, many knowledge gaps still remain in predicting the fate and transport of...
Reconsidering residency: Characterization and conservation implications of complex migratory patterns of shortnose sturgeon (Acispenser brevirostrum)
Phillip E. Dionne, Gayle B. Zydlewski, Michael T. Kinnison, Joseph D. Zydlewski, Gail S. Wippelhauser
2013, Canadian Journal of Fisheries and Aquatic Sciences (70) 119-127
Efforts to conserve endangered species usually involve attempts to define and manage threats at the appropriate scale of population processes. In some species that scale is localized; in others, dispersal and migration link demic units within larger metapopulations. Current conservation strategies for endangered shortnose sturgeon (Acipenser brevirostrum) assume the species...
Projecting the land cover change and its environmental impacts in the Cedar River Basin in the Midwestern United States
Yiping Wu, Shuguang Liu, Terry L. Sohl, Claudia Young
2013, Environmental Research Letters (8) 1-13
The physical surface of the Earth is in constant change due to climate forcing and human activities. In the Midwestern United States, urban area, farmland, and dedicated energy crop (e.g., switchgrass) cultivation are predicted to expand in the coming decades, which will lead to changes in hydrological processes. This study...
Vegetation of natural and artificial shorelines in Upper Klamath Basin’s fringe wetlands
Andrew M. Ray, Kathryn M. Irvine, Andy S. Hamilton
2013, Wetland Science & Practice (30) 10-21
The Upper Klamath Basin (UKB) in northern California and southern Oregon supports large hypereutrophic lakes surrounded by natural and artificial shorelines. Lake shorelines contain fringe wetlands that provide key ecological services to the people of this region. These wetlands also provide a context for drawing inferences about how differing wetland...
Seasonal climate variation and caribou availability: Modeling sequential movement using satellite-relocation data
Craig Nicolson, Matthew Berman, Colin Thor West, Gary P. Kofinas, Brad Griffith, Don Russell, Darcy Dugan
2013, Ecology and Society (18)
Livelihood systems that depend on mobile resources must constantly adapt to change. For people living in permanent settlements, environmental changes that affect the distribution of a migratory species may reduce the availability of a primary food source, with the potential to destabilize the regional social-ecological system. Food security for Arctic...
The effects of pulse pressure from seismic water gun technology on Northern Pike
Jackson A. Gross, Kathryn M. Irvine, Siri K. Wilmoth, Tristany L. Wagner, Patrick A Shields, Jeffrey R. Fox
2013, Transactions of the American Fisheries Society (142) 1335-1346
We examined the efficacy of sound pressure pulses generated from a water gun for controlling invasive Northern Pike Esox lucius. Pulse pressures from two sizes of water guns were evaluated for their effects on individual fish placed at a predetermined random distance. Fish mortality from a 5,620.8-cm3 water gun (peak pressure source...