Three-dimensional sensitivity distribution and sample volume of low-induction-number electromagnetic-induction instruments
James B. Callegary, T.P.A. Ferre, R.W. Groom
2012, Soil Science Society of America Journal (76) 85-91
There is an ongoing effort to improve the understanding of the correlation of soil properties with apparent soil electrical conductivity as measured by low‐induction‐number electromagnetic‐induction (LIN FEM) instruments. At a minimum, the dimensions of LIN FEM instruments' sample volume, the spatial distribution of sensitivity within that volume, and implications for...
Patterns of natural mortality in stream-living brown trout (Salmo trutta)
J. Lobon-Cervia, P. Budy, E. Mortensen
2012, Freshwater Biology (57) 575-588
1. We tested the hypothesis that lifetime mortality patterns and their corresponding rates and causal factors differ among populations of stream‐living salmonids. To this end, we examined the lifetime mortality patterns of several successive cohorts of two stream‐living brown trout (Salmo trutta) populations in Spain and Denmark.2. In the southern...
Field experiment provides ground truth for surface nuclear magnetic resonance measurement
R. Knight, E. Grunewald, T. Irons, K. Dlubac, Y. Song, H.N. Bachman, B. Grau, D. Walsh, J.D. Abraham, J. Cannia
2012, Geophysical Research Letters (39) 1-7
The need for sustainable management of fresh water resources is one of the great challenges of the 21st century. Since most of the planet's liquid fresh water exists as groundwater, it is essential to develop non-invasive geophysical techniques to characterize groundwater aquifers. A field experiment was conducted in the High...
Expert knowledge as a foundation for the management of secretive species and their habitat
C. Ashton Drew, Jaime Collazo
2012, Book chapter, Expert knowledge and its application in landscape ecology
In this chapter, we share lessons learned during the elicitation and application of expert knowledge in the form of a belief network model for the habitat of a waterbird, the King Rail (Rallus elegans). A belief network is a statistical framework used to graphically represent and evaluate hypothesized...
SYBR green-based real-time reverse transcription-PCR for typing and subtyping of all hemagglutinin and neuraminidase genes of avian influenza viruses and comparison to standard serological subtyping tests
K. Tsukamoto, P.C. Javier, M. Shishido, D. Noguchi, John M. Pearce, H.-M. Kang, O.M. Jeong, Y.-J. Lee, K. Nakanishi, T. Ashizawa
2012, Journal of Clinical Microbiology (50) 37-45
Continuing outbreaks of H5N1 highly pathogenic (HP) avian influenza virus (AIV) infections of wild birds and poultry worldwide emphasize the need for global surveillance of wild birds. To support the future surveillance activities, we developed a SYBR green-based, real-time reverse transcriptase PCR (rRT-PCR) for detecting nucleoprotein (NP) genes and subtyping...
Modeling aeolian transport in response to succession, disturbance and future climate: Dynamic long-term risk assessment for contaminant redistribution
D.D. Breshears, T.B. Kirchner, J.J. Whicker, J.P. Field, Craig D. Allen
2012, Aeolian Research (3) 445-457
Aeolian sediment transport is a fundamental process redistributing sediment, nutrients, and contaminants in dryland ecosystems. Over time frames of centuries or longer, horizontal sediment fluxes and associated rates of contaminant transport are likely to be influenced by succession, disturbances, and changes in climate, yet models of horizontal sediment transport that...
Post-fledging brood and care division in the roseate tern (Sterna dougallii)
M.J. Watson, J. A. Spendelow, J.J. Hatch
2012, Journal of Ethology (30) 29-34
Extended post-fledging parental care is an important aspect of parental care in birds, although little studied due to logistic difficulties. Commonly, the brood is split physically (brood division) and/or preferential care is given to a subset of the brood by one parent or the other (care division). Among gulls and...
Spatial interpolation schemes of daily precipitation for hydrologic modeling
Y. Hwang, M.R. Clark, B. Rajagopalan, George H. Leavesley
2012, Stochastic Environmental Research and Risk Assessment (26) 295-320
Distributed hydrologic models typically require spatial estimates of precipitation interpolated from sparsely located observational points to the specific grid points. We compare and contrast the performance of regression-based statistical methods for the spatial estimation of precipitation in two hydrologically different basins and confirmed that widely used regression-based estimation schemes fail...
Can arsenic occurrence rate in bedrock aquifers be predicted?
Qiang Yang, Hun Bok Jung, Robert G. Marvinney, Charles W. Culbertson, Yan Zheng
2012, Environmental Science & Technology (46) 2080-2087
A high percentage (31%) of groundwater samples from bedrock aquifers in the greater Augusta area, Maine was found to contain greater than 10 μg L–1 of arsenic. Elevated arsenic concentrations are associated with bedrock geology, and more frequently observed in samples with high pH, low dissolved oxygen, and low nitrate. These...
Target loads of atmospheric sulfur and nitrogen deposition for protection of acid sensitive aquatic resources in the Adirondack Mountains, New York
T.J. Sullivan, B.J. Cosby, C. T. Driscoll, T.C. McDonnell, A.T. Herlihy, Douglas A. Burns
2012, Water Resources Research (48)
The dynamic watershed acid-base chemistry model of acidification of groundwater in catchments (MAGIC) was used to calculate target loads (TLs) of atmospheric sulfur and nitrogen deposition expected to be protective of aquatic health in lakes in the Adirondack ecoregion of New York. The TLs were calculated for two future dates...
Species traits and environmental conditions govern the relationship between biodiversity effects across trophic levels
D.E. Spooner, C.C. Vaughn, H.S. Galbraith
2012, Oecologia (168) 533-548
Changing environments can have divergent effects on biodiversity–ecosystem function relationships at alternating trophic levels. Freshwater mussels fertilize stream foodwebs through nutrient excretion, and mussel species-specific excretion rates depend on environmental conditions. We asked how differences in mussel diversity in varying environments influence the dynamics between primary producers and consumers. We...
Application of a weighted-averaging method for determining paleosalinity: a tool for restoration of south Florida's estuaries
G.L. Wingard, J.W. Hudley
2012, Estuaries and Coasts (35) 262-280
A molluscan analogue dataset is presented in conjunction with a weighted-averaging technique as a tool for estimating past salinity patterns in south Florida’s estuaries and developing targets for restoration based on these reconstructions. The method, here referred to as cumulative weighted percent (CWP), was tested using modern surficial samples collected...
An experimental test and models of drift and dispersal processes of pallid sturgeon (Scaphirhynchus albus) free embryos in the Missouri River
P.J. Braaten, D.B. Fuller, R.D. Lott, M.P. Ruggles, T.F. Brandt, R.G. Legare, R.J. Holm
2012, Environmental Biology of Fishes (93) 377-392
Free embryos of wild pallid sturgeon Scaphirhynchus albus were released in the Missouri River and captured at downstream sites through a 180-km reach of the river to examine ontogenetic drift and dispersal processes. Free embryos drifted primarily in the fastest portion of the river channel, and initial drift velocities for...
Statistical analyses to support guidelines for marine avian sampling. Final report
Brian P. Kinlan, Elise Zipkin, Allan F. O’Connell, Chris Caldow
2012, NOAA Technical Memorandum NOS NCCOS 158
Interest in development of offshore renewable energy facilities has led to a need for high-quality, statistically robust information on marine wildlife distributions. A practical approach is described to estimate the amount of sampling effort required to have sufficient statistical power to identify species-specific “hotspots” and “coldspots” of marine bird abundance...
The FOBIMO (FOraminiferal BIo-MOnitoring) initiative—Towards a standardised protocol for soft-bottom benthic foraminiferal monitoring studies
Joachim Schoenfeld, Elisabeth Alve, Emmanuelle Geslin, Frans Jorissen, Sergei Korsun, Silva Spezzaferri, Sigal Abramovich, Ahuva Almogi-Labin, Eric Armynot du Chatelet, Christine Barras, Luisa Bergamin, Erica Bicchi, Vincent Bouchet, Alejandro Cearreta, Letizia Di Bella, Noortje Dijkstra, Sibelle Trevisan Disaro, Luciana Ferraro, Fabrizio Frontalini, Giordana Gennari, Elena Golikova, Kristin Haynert, Silvia Hess, Katrine Husum, Virginia Martins, Mary McGann, Shai Oron, Elena Romano, Silvia Mello Sousa, Akira Tsujimoto
2012, Marine Micropaleontology (94-95) 1-13
The European Community Marine Strategy Framework Directive (MSFD) was established to provide guidelines for monitoring the quality of marine ecosystems. Monitoring the status of marine environments is traditionally based on macrofauna surveys, for which standardised methods have been established. Benthic foraminifera are also good indicators of environmental status because of...
Hierarchy in factors affecting fish biodiversity in floodplain lakes of the Mississippi Alluvial Valley
D.J. Dembkowski, L.E. Miranda
2012, Environmental Biology of Fishes (93) 357-368
River-floodplain ecosystems offer some of the most diverse and dynamic environments in the world. Accordingly, floodplain habitats harbor diverse fish assemblages. Fish biodiversity in floodplain lakes may be influenced by multiple variables operating on disparate scales, and these variables may exhibit a hierarchical organization depending on whether one variable governs...
Stability of selenium sources reviewed
D. Eisenberg, N. Barashkov, T. W. May, Z. Eisenberg
2012, Feedstuffs (84) 16-17
No abstract available....
Monitoring biodegradation of ethene and bioremediation of chlorinated ethenes at a contaminated site using compound-specific isotope analysis (CSIA)
S.O.C. Mundle, T. Johnson, G. Lacrampe-Couloume, A. Perez-De-Mora, M. Duhamel, E.A. Edwards, M.L. McMaster, E. Cox, K. Revesz, B. Sherwood Lollar
2012, Environmental Science & Technology (46) 1731-1738
Chlorinated ethenes are commonly found in contaminated groundwater. Remediation strategies focus on transformation processes that will ultimately lead to nontoxic products. A major concern with these strategies is the possibility of incomplete dechlorination and accumulation of toxic daughter products (cis-1,2-dichloroethene (cDCE), vinyl chloride (VC)). Ethene mass balance can be used...
Tidally driven export of dissolved organic carbon, total mercury, and methylmercury from a mangrove-dominated estuary
Brian A. Bergamaschi, D. P. Krabbenhoft, George Aiken, Eduardo Patino, D.G. Rumbold, William H. Orem
2012, Environmental Science & Technology (46) 1371-1378
The flux of dissolved organic carbon (DOC) from mangrove swamps accounts for 10% of the global terrestrial flux of DOC to coastal oceans. Recent findings of high concentrations of mercury (Hg) and methylmercury (MeHg) in mangroves, in conjunction with the common co-occurrence of DOC and Hg species, have raised concerns...
Olympic Fisher Reintroduction Project: Progress report 2008-2011
Jeffrey C. Lewis, Patti J. Happe, Kurt J. Jenkins, David J. Manson
2012, Report
This progress report summarizes the final year of activities of Phase I of the Olympic fisher restoration project. The intent of the Olympic fisher reintroduction project is to reestablish a self-sustaining population of fishers on the Olympic Peninsula. To achieve this goal, the Olympic fisher reintroduction project released 90 fishers...
Crop classification modelling using remote sensing and environmental data in the Greater Platte River Basin, USA
Daniel M. Howard, Bruce K. Wylie, Larry L. Tieszen
2012, International Journal of Remote Sensing (33) 6094-6108
With an ever expanding population, potential climate variability and an increasing demand for agriculture-based alternative fuels, accurate agricultural land-cover classification for specific crops and their spatial distributions are becoming critical to researchers, policymakers, land managers and farmers. It is important to ensure the sustainability of these and other land uses...
History of land cover mapping
Thomas R. Loveland
Chandra P. Giri, editor(s)
2012, Book chapter, Remote sensing of land use and land cover: Principles and applications
The historical roots of land-cover mapping reside in the early history of aerial photography and applications spanning forestry, agriculture, urban planning, and water-resources management. Considering this long span of mapping, any attempt to provide an exhaustive treatment of the full history of land-cover mapping will necessarily be incomplete. For that...
GRACEnet: addressing policy needs through coordinated cross-location research
Michael D. Jawson, Charles W. Walthall, Steven R. Shafer
Mark Liebig, Alan J. Franzluebbers, Ronald F. Follett, editor(s)
2012, Book chapter, Managing agricultural greenhouse gases coordinated agricultural research through GRACEnet to address our changing climate
GRACEnet (Greenhouse gas Reduction through Agricultural Carbon Enhancement network) was conceived to build upon ongoing USDA Agricultural Research Service (ARS) research to improve soil productivity, while addressing the challenges and opportunities of interest in C sequestration from a climate change perspective. The vision for GRACEnet was and remains: Knowledge and...
Lidar metadata
H. Karl Heidemann
Michael S. Renslow, editor(s)
2012, Book chapter, Manual of airborne topographic lidar
No abstract available....
Pacific salmonines in the Great Lakes Basin
Randall M. Claramunt, Charles P. Madenjian, David Clapp
William W. Taylor, Abigail J. Lynch, Nancy J. Leonard, editor(s)
2012, Book chapter, Great Lakes fisheries policy and management a binational perspective
Pacific salmon (genus Oncorhynchus) are a valuable resource, both within their native range in the North Pacific rim and in the Great Lakes basin. Understanding their value from a biological and economic perspective in the Great Lakes, however, requires an understanding of changes in the ecosystem and of management actions...
