selected scholarly activity
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books
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chapters
- Acid Rock Drainage. Encyclopedia of Earth Sciences Series. 5-8. 2011
- Biofilms and metal geochemistry: the relevance of micro-organism-induced geochemical transformations. 11-34. 2005
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conferences
- Accelerated Field-Scale (Bio)remediation of Alkaline Tailings by Coupling Microbial and Abiotic Strategies. Goldschmidt Abstracts. 2276-2276. 2020
- Assessing Microbial Sulphur Oxidation Intermediates Cycling in Mine Water Mesocosms. Goldschmidt Abstracts. 864-864. 2020
- Implications of Diverse Sulfur Oxidizing Microbes on Sulfur Cycling in Circumneutral Mining Wastewaters. Goldschmidt Abstracts. 2644-2644. 2020
- Insights into Biogeochemical Cycling and Unanticipated Geobiological Trajectory after Alum Addition to an Engineered Lake. Goldschmidt Abstracts. 1182-1182. 2020
- Large Freshwater Phages with the Potential to Augment Aerobic Methane Oxidation. Goldschmidt Abstracts. 389-389. 2020
- Pulling Back the Curtain on Microbial Sulfur Dynamics in a Mine Tailings Reservoir. Goldschmidt Abstracts. 2852-2852. 2020
- Sulfur Geochemistry of Mining Impacted Waters. Goldschmidt Abstracts. 1730-1730. 2020
- Accelerating Bauxite Residue Remediation with Microbial Biotechnology. Minerals, Metals and Materials Series. 69-77. 2019
- Suspended floc: Microbial-mineral interactions in trace element sequestration. ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY. 2012
- Assessing riverine sediment-pathogen dynamics: implications for the management of aquatic and human health risk. IAHS Publication (International Association of Hydrological Sciences). 245-+. 2010
- Insights into interactive microbial and geochemical controls on bacterial surface reactions from SiO2 uptake. Geochimica et Cosmochimica Acta. A19-A19. 2008
- Microbial S geochemistry in acidic environments: Integrated geochemical and soft X-ray spectromicroscopic characterization. Geochimica et Cosmochimica Acta. A1006-A1006. 2008
- Microbial catalysis of jarosite formation under environmentally relevant AMD conditions. Geochimica et Cosmochimica Acta. A688-A688. 2008
- Stable carbon isotope fractionation in sulfur oxidizing and heterotrophic bacteria native to an acid mine tailings pond. Geochimica et Cosmochimica Acta. A186-A186. 2008
- Microbial geoengineering: Acid rock drainage biofilms, metals and Mn oxyhydroxides. Geochimica et Cosmochimica Acta. A194-A194. 2004
- Biogeochemical processes controlling multi-element transport in vadose zone sediments.. ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY. U594-U594. 2003
- Microbial biofilms: Geochemically reactive environmental interfaces.. ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY. U590-U590. 2003
- Solid phase capture of strontium by the iron reducing bacteria Shewanella alga strain BrY. Chemical Geology. 281-288. 2000
- GEOCHEMICAL CHARACTERIZATION OF METAL PARTICULATE ASSOCIATIONS IN 3 OUTFALL TYPES TO THE DON RIVER. ENVIRONMENTAL RESEARCH : 1991 TECHNOLOGY TRANSFER CONFERENCE - PROCEEDINGS, VOLS 1 AND 2. 465-465. 1991
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journal articles
- Cascading sulfur cycling in simulated oil sands pit lake water cap mesocosms transitioning from oxic to euxinic conditions.. Science of the Total Environment. 950:175272. 2024
- Microbial Sulfur Pathways and Outcomes in Tailings Impoundments: A Mesocosm Study. Mine Water and the Environment. 1-17. 2024
- pH and thiosulfate dependent microbial sulfur oxidation strategies across diverse environments. Frontiers in Microbiology. 15:1426584. 2024
- O2 partitioning of sulfur oxidizing bacteria drives acidity and thiosulfate distributions in mining waters. Nature Communications. 14:2006. 2023
- Phage-encoded ribosomal protein S21 expression is linked to late-stage phage replication. ISME Communications. 2:31. 2022
- Alum Addition Triggers Hypoxia in an Engineered Pit Lake. Microorganisms. 10:510-510. 2022
- Sulfur mass balance and speciation in the water cap during early-stage development in the first pilot pit lake in the Alberta Oil Sands. Environmental Chemistry. 19:236-253. 2022
- Isotopic and Chemical Assessment of the Dynamics of Methane Sources and Microbial Cycling during Early Development of an Oil Sands Pit Lake. Microorganisms. 9:2509-2509. 2021
- Isomer-specific monitoring of naphthenic acids at an oil sands pit lake by comprehensive two-dimensional gas chromatography–mass spectrometry. Science of the Total Environment. 746:140985-140985. 2020
- Large freshwater phages with the potential to augment aerobic methane oxidation. Nature Microbiology. 5:1504-1515. 2020
- Microbial Succession Signals the Initiation of Acidification in Mining Wastewaters. Mine Water and the Environment. 39:669-683. 2020
- A Mass-Balance Tool for Monitoring Potential Dissolved Sulfur Oxidation Risks in Mining Impacted Waters. Mine Water and the Environment. 39:291-307. 2020
- Clades of huge phages from across Earth’s ecosystems. Nature. 578:425-431. 2020
- New Insights Into Acidithiobacillus thiooxidans Sulfur Metabolism Through Coupled Gene Expression, Solution Chemistry, Microscopy, and Spectroscopy Analyses. Frontiers in Microbiology. 11:411. 2020
- The co-importance of physical mixing and biogeochemical consumption in controlling water cap oxygen levels in Base Mine Lake. Applied Geochemistry. 111:104442-104442. 2019
- Wide Distribution of Phage That Infect Freshwater SAR11 Bacteria. mSystems. 4:e00410-e00419. 2019
- Profiling of individual naphthenic acids at a composite tailings reclamation fen by comprehensive two-dimensional gas chromatography-mass spectrometry. Science of the Total Environment. 649:1522-1531. 2019
- Putative Mixotrophic Nitrifying-Denitrifying Gammaproteobacteria Implicated in Nitrogen Cycling Within the Ammonia/Oxygen Transition Zone of an Oil Sands Pit Lake. Frontiers in Microbiology. 10:2435. 2019
- The Potential Role of Halothiobacillus spp. in Sulfur Oxidation and Acid Generation in Circum-Neutral Mine Tailings Reservoirs. Frontiers in Microbiology. 10:297. 2019
- Expanded diversity of microbial groups that shape the dissimilatory sulfur cycle. The ISME Journal. 12:1715-1728. 2018
- The interplay of methane and ammonia as key oxygen consuming constituents in early stage development of Base Mine Lake, the first demonstration oil sands pit lake. Applied Geochemistry. 93:49-59. 2018
- Improved coverage of naphthenic acid fraction compounds by comprehensive two-dimensional gas chromatography coupled with high resolution mass spectrometry. Journal of Chromatography A. 1536:88-95. 2018
- Elucidating carbon sources driving microbial metabolism during oil sands reclamation. Journal of Environmental Management. 188:246-254. 2017
- pH and Organic Carbon Dose Rates Control Microbially Driven Bioremediation Efficacy in Alkaline Bauxite Residue. Environmental Science and Technology. 50:11164-11173. 2016
- S reactivity of an oil sands composite tailings deposit undergoing reclamation wetland construction. Journal of Environmental Management. 166:321-329. 2016
- Influence of wave action on the partitioning and transport of unattached and floc-associated bacteria in fresh water. Canadian Journal of Microbiology. 61:584-596. 2015
- Microbial Diversity in Engineered Haloalkaline Environments Shaped by Shared Geochemical Drivers Observed in Natural Analogues. Applied and Environmental Microbiology. 81:5026-5036. 2015
- Microbially-driven strategies for bioremediation of bauxite residue. Journal of Hazardous Materials. 293:131-157. 2015
- Sulfur Biogeochemistry of an Oil Sands Composite Tailings Deposit. Frontiers in Microbiology. 6:1533. 2015
- Identification of individual thiophene-, indane-, tetralin-, cyclohexane-, and adamantane-type carboxylic acids in composite tailings pore water from Alberta oil sands. Rapid Communications in Mass Spectrometry. 28:2075-2083. 2014
- Diurnal Floc Generation from Neuston Biofilms in Two Contrasting Freshwater Lakes. Environmental Science and Technology. 48:10107-10115. 2014
- Microbial Engineering of Floc Fe and Trace Element Geochemistry in a Circumneutral, Remote Lake. Environmental Science and Technology. 48:6578-6587. 2014
- Acidic Microenvironments in Waste Rock Characterized by Neutral Drainage: Bacteria–Mineral Interactions at Sulfide Surfaces. Minerals. 4:170-190. 2014
- Iron cycling in a littoral freshwater beach: Implications for floc trace metal dynamics. Journal of Great Lakes Research. 40:47-57. 2014
- Collaborative microbial Fe-redox cycling by pelagic floc bacteria across wide ranging oxygenated aquatic systems. Chemical Geology. 366:90-102. 2014
- Diversity of Integron- and Culture-Associated Antibiotic Resistance Genes in Freshwater Floc. Applied and Environmental Microbiology. 78:4367-4372. 2012
- Differentiating natural organic matter roles in freshwater floc and bed sediment lead dynamics. Chemical Geology. 304-305:97-105. 2012
- Comparative Floc-Bed Sediment Trace Element Partitioning Across Variably Contaminated Aquatic Ecosystems. Environmental Science and Technology. 46:209-216. 2012
- By design: The architecture of microbial redox cycling. Applied Geochemistry. 26:S322-S322. 2011
- Physical and Ecological Controls on Freshwater Floc Trace Metal Dynamics. Environmental Science and Technology. 45:2157-2164. 2011
- Jarosite formation by an AMD sulphide-oxidizing environmental enrichment: Implications for biomarkers on Mars. Chemical Geology. 275:235-242. 2010
- Microbial Architecture of Environmental Sulfur Processes: A Novel Syntrophic Sulfur-Metabolizing Consortia. Environmental Science and Technology. 43:8781-8786. 2009
- Metabolic patterning of biosilicification. Chemical Geology. 268:81-88. 2009
- Carbon isotope fractionation in phospholipid fatty acid biomarkers of bacteria and fungi native to an acid mine drainage lake. Organic Geochemistry. 40:956-962. 2009
- Microbial thiosulphate reaction arrays: the interactive roles of Fe(III), O2 and microbial strain on disproportionation and oxidation pathways. Geobiology. 6:461-470. 2008
- Geochemical diversity in S processes mediated by culture-adapted and environmental-enrichments of Acidithiobacillus spp.. Geochimica et Cosmochimica Acta. 71:5684-5697. 2007
- Surface chemical reactivity and metal adsorptive properties of natural cyanobacterial mats from an alkaline hydrothermal spring, Yellowstone National Park. Chemical Geology. 243:36-52. 2007
- Identifying when microbes biosilicify: The interconnected requirements of acidic pH, colloidal SiO2 and exposed microbial surface. Chemical Geology. 240:298-312. 2007
- Microbially driven acidity generation in a tailings lake. Geobiology. 3:115-133. 2005
- A special issue dedicated to microbial geochemistry. Geochimica et Cosmochimica Acta. 68:3139-3139. 2004
- Surface chemistry and relative Ni sorptive capacities of synthetic hydrous Mn oxyhydroxides under variable wetting and drying regimes. Geochimica et Cosmochimica Acta. 68:443-454. 2004
- Biofilm Hydrous Manganese Oxyhydroxides and Metal Dynamics in Acid Rock Drainage. Environmental Science and Technology. 37:4138-4147. 2003
- Microbial Geoengineers. Science. 299:1027-1029. 2003
- Biogeochemical controls on metal behaviour in freshwater environments. Earth-Science Reviews. 54:261-320. 2001
- Influence of ionic strength on strontium sorption to bacteria, Fe(III) oxide, and composite bacteria-Fe(III) oxide surfaces. Applied Geochemistry. 16:939-946. 2001
- Microbially Mediated Calcium Carbonate Precipitation: Implications for Interpreting Calcite Precipitation and for Solid-Phase Capture of Inorganic Contaminants. Geomicrobiology Journal. 18:93-115. 2001
- Characterizing Heterogeneous Bacterial Surface Functional Groups Using Discrete Affinity Spectra for Proton Binding. Environmental Science and Technology. 33:4514-4521. 1999
- Sorption of Strontium by Bacteria, Fe(III) Oxide, and Bacteria−Fe(III) Oxide Composites. Environmental Science and Technology. 33:4465-4470. 1999
- Continuum between Sorption and Precipitation of Fe(III) on Microbial Surfaces. Environmental Science and Technology. 32:2331-2337. 1998
- Geochemical partitioning and bioavailability of copper to aquatic plants in an artificial oxide-organic sediment. Hydrobiologia. 304:197-207. 1995
- The influence of temperature and NaCl on cadmium, copper and zinc partitioning among suspended particulate and dissolved phases in an urban river. Water Research. 28:1921-1931. 1994
- Suspended particulate grain size dynamics and their implications for trace metal sorption in the Don River. Aquatic Sciences. 56:348-362. 1994
- Suspended particulate oxides and organic matter interactions in trace metal sorption reactions in a small urban river. Biogeochemistry. 24:21-34. 1994
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preprints
- Microbial Sulfur Pathways and Outcomes in Tailings Impoundments: A Mesocosm Study 2024
- Phage-encoded ribosomal protein S21 expression is linked to late stage phage replication 2021
- Acidity and sulfur oxidation intermediate concentrations controlled by O2-driven partitioning of sulfur oxidizing bacteria in a mine tailings impoundment 2021
- Large Freshwater Phages with the Potential to Augment Aerobic Methane Oxidation 2020
- Wide distribution of phage that infect freshwater SAR11 bacteria 2019
- Dramatic expansion of microbial groups that shape the global sulfur cycle 2017