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Volume 46 Issue 1, January-February 2017



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  • REVIEWS & ANALYSES up

    • Peter M. Smyntek, Rachel C. Wagner, Leigh-Anne Krometis, Sergio Carvajal Sanchez, Theresa Wynn-Thompson and William H. J. Strosnider
      Passive Biological Treatment of Mine Water to Reduce Conductivity: Potential Designs, Challenges, and Research Needs
      Core Ideas
      • Passive treatment of mine waters is a low-maintenance option for conductivity reduction.
      • Passive treatment systems can reduce conductivity by 30–40%, but efficacy is variable.
      • The use of limestone in passive treatment systems may prevent conductivity reduction.
      • More datasets on conductivity reduction by passive treatment systems are needed.
      • Regional ionic profiles of conductivity will improve passive treatment system design.
      doi:10.2134/jeq2016.06.0216
      Journal of Environmental Quality 2017 46:1-9
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    • Michela Schiavon and Elizabeth A. H. Pilon-Smits
      Selenium Biofortification and Phytoremediation Phytotechnologies: A Review
      Core Ideas
      • Plants may be used to clean up excess selenium from the environment.
      • Plants may be used to provide dietary selenium in selenium-deficient areas.
      • Plants may be used to mine Se from seleniferous soil.
      doi:10.2134/jeq2016.09.0342
      Journal of Environmental Quality 2017 46:10-19
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  • ENVIRONMENTAL ISSUES up

    • John F. Obrycki, Nicholas T. Basta and Robyn S. Wilson
      Evaluating Public and Regulatory Acceptance for Urban Soil Management Approaches
      Core Ideas
      • Bioavailability applications in soil management are a new concept for the public.
      • Public and regulators noted willingness to consider contaminant bioavailability.
      • Public disagreed most strongly with capping as a treatment option.
      doi:10.2134/jeq2016.06.0230
      Journal of Environmental Quality 2017 46:20-26
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      [ Supplement 1 ]
  • ATMOSPHERIC POLLUTANTS AND TRACE GASES up

    • Nobuhisa Koga, Seiji Shimoda and Yukiyoshi Iwata
      Biochar Impacts on Crop Productivity and Greenhouse Gas Emissions from an Andosol
      Core Ideas
      • Biochar from wood residues pyrolyzed at >800°C was used in crop rotation.
      • Biochar had no or little impact on crop yield and quality compared with the control.
      • Emissions of CO2, N2O, and CH4 from an Andosol were not affected by biochar.
      • Carbon compounds in the wood residue–derived biochar were recalcitrant for 4 yr.
      • Biochar application enhanced soil C sequestration, thus mitigating global warming.
      doi:10.2134/jeq2016.04.0156
      Journal of Environmental Quality 2017 46:27-35
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    • E. W. Duncan, C. J. Dell, P. J. A. Kleinman and D. B. Beegle
      Nitrous Oxide and Ammonia Emissions from Injected and Broadcast-Applied Dairy Slurry
      Core Ideas
      • Manure injection decreases NH3 volatilization but increases N2O emissions.
      • Shallow disk manure injection reduced ammonia emissions by 92–98%.
      • Manure injection increased cumulative N2O emissions by 84–152% compared with broadcast.
      • N2O emissions are at least three orders of magnitude lower than NH3 volatilization.
      doi:10.2134/jeq2016.05.0171
      Journal of Environmental Quality 2017 46:36-44
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  • BIOREMEDIATION AND BIODEGRADATION up

    • Partha Ray, Chaoqi Chen, Katharine F. Knowlton, Amy Pruden and Kang Xia
      Fate and Effect of Antibiotics in Beef and Dairy Manure during Static and Turned Composting
      Core Ideas
      • Antibiotics excreted in their natural forms did not influence manure composting.
      • Antibiotic dissipation did not always follow single-phase first-order kinetics.
      • Composting enhanced antibiotic removal from manure, but tylosin was recalcitrant.
      doi:10.2134/jeq2016.07.0269
      Journal of Environmental Quality 2017 46:45-54
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      [ Supplement 1 ]
  • ENVIRONMENTAL MODELS, MODULES, AND DATASETS up

    • Elyse V. Clark, Carl E. Zipper, W. Lee Daniels, Zenah W. Orndorff and Matthew J. Keefe
      Modeling Patterns of Total Dissolved Solids Release from Central Appalachia, USA, Mine Spoils
      Core Ideas
      • Appalachian mine spoil specific conductance leaching patterns were modeled.
      • Weathering type influenced specific conductance at the beginning and end of the leaching period.
      • Rock type influenced rates of specific conductance release.
      • Considering all mine spoils, RSATs predicted four model parameters.
      doi:10.2134/jeq2016.04.0149
      Journal of Environmental Quality 2017 46:55-63
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    • Renqiang Li, Shujie Zhao, Haifeng Zhao, Ming Xu, Liyun Zhang, Hui Wen and Qingkai Sheng
      Spatiotemporal Assessment of Forest Biomass Carbon Sinks: The Relative Roles of Forest Expansion and Growth in Sichuan Province, China
      Core Ideas
      • Accurate estimation of spatiotemporal patterns of forest C sinks is crucial to sustainable forest management.
      • We integrated individual tree biomass equations and a random forest algorithm.
      • A spatially explicit map of C density allows comparisons among different subregions.
      • We quantified the relative contributions of forest expansion and growth to biomass C sinks.
      • A new forestry mode is needed to maintain the long-term health of forest ecosystems in Sichuan Province.
      doi:10.2134/jeq2016.07.0261
      Journal of Environmental Quality 2017 46:64-71
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  • GROUNDWATER QUALITY up

    • Alvaro J. Romera, Rogerio Cichota, Pierre C. Beukes, Pablo Gregorini, Val O. Snow and Iris Vogeler
      Combining Restricted Grazing and Nitrification Inhibitors to Reduce Nitrogen Leaching on New Zealand Dairy Farms
      Core Ideas
      • Nitrogen leaching from pastoral dairy farms should be reduced.
      • We modeled the effectiveness of nitrification inhibitors and restricted grazing.
      • Nitrification inhibitors reduced N leaching by 12% and restricted grazing by 23 to 32%.
      • Combining the two strategies reduced N leaching by 31 to 40%.
      • Restricted grazing and nitrification inhibitors can be effective in combination.
      doi:10.2134/jeq2016.08.0325
      Journal of Environmental Quality 2017 46:72-79
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      [ Supplement 1 ]
  • LANDSCAPE AND WATERSHED PROCESSES up

    • Eric O. Young, Justin R. Geibel and Donald S. Ross
      Influence of Controlled Drainage and Liquid Dairy Manure Application on Phosphorus Leaching from Intact Soil Cores
      Core Ideas
      • Phosphorus can leach to tile drains in fields with macropore flow.
      • Simulating controlled subsurface tile drainage reduced P leaching losses.
      • Controlled drainage may help mitigate P transport to tile drains.
      doi:10.2134/jeq2016.04.0158
      Journal of Environmental Quality 2017 46:80-87
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    • Taylor J. Mills, Suzanne P. Anderson, Carleton Bern, Arnulfo Aguirre and Louis A. Derry
      Colloid Mobilization and Seasonal Variability in a Semiarid Headwater Stream
      Core Ideas
      • Riverine colloids were quantified across a wide range of flow and antecedent moisture conditions.
      • Colloids were dominated by kaolinite and illite clays with lesser amounts of amorphous iron.
      • Colloid composition was constant across wide ranges in flow.
      • Mobilization occurred after dry periods and increased with decreasing stream ionic strength.
      doi:10.2134/jeq2016.07.0268
      Journal of Environmental Quality 2017 46:88-95
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  • SURFACE WATER QUALITY up

    • Raea M. Gooding and Helen M. Baulch
      Small Reservoirs as a Beneficial Management Practice for Nitrogen Removal
      Core Ideas
      • Headwater reservoirs are effective at removing nitrate.
      • Reservoirs outperform stream pools in terms of denitrification efficiency.
      • This appears to be driven by higher sediment carbon and lower oxygen in reservoirs.
      • Denitrification is frequently nitrate-saturated.
      • Understanding controls on denitrification can inform BMP design.
      doi:10.2134/jeq2016.07.0252
      Journal of Environmental Quality 2017 46:96-104
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      [ Supplement 1 ]
    • Mohammed Masud Parvage, Barbro Ulén and Holger Kirchmann
      Can Organic Materials Reduce Excess Nutrient Leaching from Manure-Rich Paddock Soils?
      Core Ideas
      • Paddock soils are “hot spots” for nutrient losses that need to be managed.
      • The capacity of organic materials to reduce nutrient loss from soil is not widely known.
      • Peat reduced N losses, and wood chips reduced both P and C losses.
      • Wheat straw increased nutrient leaching losses.
      doi:10.2134/jeq2016.06.0223
      Journal of Environmental Quality 2017 46:105-112
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    • Ali Tasdighi, Mazdak Arabi and Deanna L. Osmond
      The Relationship between Land Use and Vulnerability to Nitrogen and Phosphorus Pollution in an Urban Watershed
      Core Ideas
      • Strong and significant relationships were found between land use and water quality.
      • Urban land/ wastewater treatment capacity were dominant factors in regression models.
      • Significant differences found between land use–water quality models for wet/dry years.
      • The impact of rainfall on land use–water quality models was better captured by loads.
      • Vulnerability to TN and TP were controlled by urban land use in dry years.
      doi:10.2134/jeq2016.06.0239
      Journal of Environmental Quality 2017 46:113-122
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      [ Supplement 1 ]
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    • Helen P. Jarvie, Laura T. Johnson, Andrew N. Sharpley, Douglas R. Smith, David B. Baker, Tom W. Bruulsema and Remegio Confesor
      Increased Soluble Phosphorus Loads to Lake Erie: Unintended Consequences of Conservation Practices?
      Core Ideas
      • A step-change increase in river SRP loads to Lake Erie occurred in the early 2000s.
      • ∼35% of the increased SRP loads was attributed to higher runoff volumes.
      • ∼65% was from increased SRP delivery (source availability and transport efficiency).
      • Watershed P stores declined, but conservation tillage and tile drainage increased.
      • Well-intentioned conservation measures may have contributed to increased SRP loads.
      doi:10.2134/jeq2016.07.0248
      Journal of Environmental Quality 2017 46:123-132
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      [ Supplement 1 ]
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    • K. Christy Tanner, Lisamarie Windham-Myers, Jacob A. Fleck, Kenneth W. Tate, Stephen A. McCord and Bruce A. Linquist
      The Contribution of Rice Agriculture to Methylmercury in Surface Waters: A Review of Data from the Sacramento Valley, California
      Core Ideas
      • We studied the impact of rice production on MeHg at the watershed scale.
      • MeHg concentration was elevated in agricultural drainage water during November through May.
      • Watershed-scale MeHg loads were lower than expected based on field studies.
      doi:10.2134/jeq2016.07.0262
      Journal of Environmental Quality 2017 46:133-142
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      [ Supplement 1 ]
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  • VADOSE ZONE PROCESSES AND CHEMICAL TRANSPORT up

    • K. G. I. D. Kumari, Per Moldrup, Marcos Paradelo, Lars Elsgaard and Lis W. de Jonge
      Effects of Biochar on Dispersibility of Colloids in Agricultural Soils
      Core Ideas
      • Biochar increased water-dispersible colloid content in amended soils.
      • WDC content was positively correlated with monovalent cations concentration in soil.
      • Biochar aging prevented changes in soil chemical properties and WDC content.
      doi:10.2134/jeq2016.08.0290
      Journal of Environmental Quality 2017 46:143-152
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  • WASTE MANAGEMENT up

    • Biana H. Kuwano, Marco A. Nogueira, Cristiane A. Santos, Dáfila S.L. Fagotti, Michele B. Santos, Luís E.A.M. Lescano, Diva S. Andrade, Graziela M.C. Barbosa and João Tavares-Filho
      Application of Landfill Leachate Improves Wheat Nutrition and Yield but Has Minor Effects on Soil Properties
      Core Ideas
      • Agricultural soil received 11 applications of landfill leachate over four years.
      • Assessments up to 60 cm showed no major concerns on soil attributes.
      • Nitrate from leachate was more leachable than nitrate from mineral fertilizer.
      • Wheat plants benefited from nitrogen in the leachate for nutrition and grain yield.
      doi:10.2134/jeq2016.02.0041
      Journal of Environmental Quality 2017 46:153-159
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      [ Supplement 1 ]
    • Astrid Spielmeyer, Franziska Stahl, Madeleine S. Petri, Walter Zerr, Hubertus Brunn and Gerd Hamscher
      Transformation of Sulfonamides and Tetracyclines during Anaerobic Fermentation of Liquid Manure
      Core Ideas
      • Veterinary antibiotics were incubated in both active and autoclaved inoculum.
      • Substance-related elimination profiles were found for sulfonamides and tetracyclines.
      • Autoclaving of the inoculum reduced the elimination of the sulfonamides.
      • O-Demethylation and hydrogenation led to various transformation products.
      • Some transformation products showed a reduced antimicrobial activity.
      doi:10.2134/jeq2016.04.0152
      Journal of Environmental Quality 2017 46:160-168
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      [ Supplement 1 ]
    • Lisa M. Durso, Daniel N. Miller, Daniel D. Snow, Christopher G. Henry, Monica Santin and Bryan L. Woodbury
      Evaluation of Fecal Indicators and Pathogens in a Beef Cattle Feedlot Vegetative Treatment System
      Core Ideas
      • Repeated application of runoff did not enrich pathogens or indicators in the soil.
      • No evidence of vertical migration of pathogens in the soil profile was found.
      • Pathogens were reduced via infiltration and cell death over time in the soil.
      • Total coliform and Enterococcus counts are not reliable for environmental samples.
      doi:10.2134/jeq2016.05.0192
      Journal of Environmental Quality 2017 46:169-176
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      [ Supplement 1 ]
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    • Young-Nam Kim, Brett Robinson, Jacqui Horswell, Stephane Boyer and Nicholas Dickinson
      Impacts of Endemic Maoridrilus Earthworms (Megascolecidae) in Biosolids-Amended Soil
      Core Ideas
      • Locally sourced earthworms are a potential resource for the treatment of biosolids-amended soil.
      • Maoridrilus spp. increased biosolids mineralization more than Eisenia fetida.
      • Native earthworms enhanced microbial activity but increased N2O emission.
      doi:10.2134/jeq2016.06.0207
      Journal of Environmental Quality 2017 46:177-184
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    • Jim J. Miller, Jeff P. Battigelli, Bruce W. Beasley and Craig F. Drury
      Response of Soil Mesofauna to Long-Term Application of Feedlot Manure on Irrigated Cropland
      Core Ideas
      • Manure type had no influence on soil mesofauna.
      • Bedding material had a significant influence on soil mesofauna.
      • Soil mesofauna densities were greater for wood- than straw-amended soils.
      • Bedding effect was due to greater soil water content and lower bulk density.
      • Soil mesofauna density was not greater for amended than unamended soils.
      doi:10.2134/jeq2016.08.0318
      Journal of Environmental Quality 2017 46:185-192
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    • Roman Babko, Tatiana Kuzmina, Grzegorz Łagód, Katarzyna Jaromin-Gleń, Yaroslav Danko, Małgorzata Pawłowska and Artur Pawłowski
      Short-term Influence of Drilling Fluid on Ciliates from Activated Sludge in Sequencing Batch Reactors
      Core Ideas
      • The impact of drilling fluid on activated sludge has not been previously investigated.
      • Our data show the effect of drilling fluid on ciliates from activated sludge.
      • We also analyzed the structure of ciliate communities suppressed by drilling fluid.
      • The results provide information about the doses that can be used during treatment.
      doi:10.2134/jeq2016.09.0332
      Journal of Environmental Quality 2017 46:193-200
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  • WETLANDS AND AQUATIC PROCESSES up

    • W. H. Strosnider, S. E. Schultz, K. A. Johnson Strosnider and R. W. Nairn
      Effects on the Underlying Water Column by Extensive Floating Treatment Wetlands
      Core Ideas
      • Floating treatment wetlands have water quality and habitat creation promise.
      • Relatively little is known of their effects on the underlying water column.
      • Four different minimalist “extensive” designs were tested in a field-scale experiment.
      • Habitat was created for insects, birds, amphibians, snails, and spiders.
      • Dissolved oxygen, sulfate, nitrate, and diurnal temperature range were decreased.
      doi:10.2134/jeq2016.07.0257
      Journal of Environmental Quality 2017 46:201-209
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      [ Supplement 1 ]
  • DATASETS up

    • N. Gottselig, I. Wiekenkamp, L. Weihermüller, N. Brüggemann, A. E. Berns, H. R. Bogena, N. Borchard, E. Klumpp, A. Lücke, A. Missong, T. Pütz, H. Vereecken, J. A. Huisman and R. Bol
      A Three-Dimensional View on Soil Biogeochemistry: A Dataset for a Forested Headwater Catchment
      Core Ideas
      • A dataset with 3-D views of biogeochemical soil parameters in a forested headwater catchment is described.
      • Dataset provides information on spatial heterogeneity and vertical distribution of nutrients.
      • Transdisciplinary approach: soil chemistry, soil physics, and long-term monitoring data.
      doi:10.2134/jeq2016.07.0276
      Journal of Environmental Quality 2017 46:210-218
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  • SHORT COMMUNICATIONS up

    • Yongeun Park, Yakov Pachepsky, Eun-Mi Hong, Daniel Shelton and Cary Coppock
      Escherichia coli Release from Streambed to Water Column during Baseflow Periods: A Modeling Study
      Core Ideas
      • E. coli release from streambed in a creek was modeled using SWAT model.
      • In-stream E. coli concentrations during baseflow period are underestimated.
      • Active and passive release were hypothesized to correct the estimates.
      • Simulations were more accurate using active release than passive release.
      doi:10.2134/jeq2016.03.0114
      Journal of Environmental Quality 2017 46:219-226
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      [ Supplement 1 ]
    • Roxana P. Colombo, José G. Ibarra, Laura Fernandez Bidondo, Vanesa A. Silvani, María J. Bompadre, Mariana Pergola, Nancy I. Lopez and Alicia M. Godeas
      Arbuscular Mycorrhizal Fungal Association in Genetically Modified Drought-Tolerant Corn
      Core Ideas
      • The impact of genetically modified corn on mycorrhization was tested.
      • Mycorrhizal colonization was higher under drought-stress conditions.
      • Corn biomass and days to senescence were not negatively affected by drought.
      • The transgenic lines tested did not affect the establishment of symbiosis.
      doi:10.2134/jeq2016.04.0125
      Journal of Environmental Quality 2017 46:227-231
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    • J. Habetwold, R. J. Gordon, J. D. Wood, C. Wagner-Riddle, A. C. VanderZaag and K. E. Dunfield
      Dairy Manure Total Solid Levels Impact CH 4 Flux and Abundance of Methanogenic Archaeal Communities
      Core Ideas
      • Reduction of total solids levels of stored dairy slurry can reduce cumulative CH4 flux.
      • Abundance and activity of methanogens increase as dairy slurry total solids decrease.
      • Volatile solids-to-CH4 conversion rates appear to be higher as dairy slurry total solids decrease.
      • Substrate availability, not methanogen population, limits cumulative CH4 flux.
      doi:10.2134/jeq2016.11.0451
      Journal of Environmental Quality 2017 46:232-236
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