John Trofymow

Work

University of Victoria
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Adjunct Associate Professor

Canada

Natural Resources Canada
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Research Scientist

Canada

Education

Colorado State University
United States of America

PhD

Publications

Differences in Soil Fungal Communities between Forested Reclamation and Forestry Sites in the Alberta Oil Sands Region

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Journal of Fungi

Summary

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Fungal Community Composition as Affected by Litter Chemistry and Weather during Four Years of Litter Decomposition in Rainshadow Coastal Douglas-Fir Forests

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Journal of Fungi

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Development and wildfire dynamics of dry coastal temperate forests, BC, Canada

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Canadian Journal of Forest Research

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Fungal Community Composition as Affected by Litter Chemistry and Weather during Four Years of Litter Decomposition in Rainshadow Coastal Douglas-Fir Forests

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Journal of Fungi

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Combining Area-Based and Individual Tree Metrics for Improving Merchantable and Non-Merchantable Wood Volume Estimates in Coastal Douglas-Fir Forests

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Remote Sensing

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Correction: Kelley et al. Use of Multi-Temporal LiDAR to Quantify Fertilization Effects on Stand Volume and Biomass in Late-Rotation Coastal Douglas-Fir Forests. Forests 2021, 12, 517

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Forests

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Use of Multi-Temporal LiDAR to Quantify Fertilization Effects on Stand Volume and Biomass in Late-Rotation Coastal Douglas-Fir Forests

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Forests

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Distance from the Forest Edge Influences Soil Fungal Communities Colonizing a Reclaimed Soil Borrow Site in Boreal Mixedwood Forest

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Forests

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Fungi associated with tree species at an Alberta oil sands reclamation area, as determined by sporocarp assessments and high-throughput DNA sequencing

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Applied Soil Ecology

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Fungi associated with tree species at an Alberta oil sands reclamation area, as determined by sporocarp assessments and high-throughput DNA sequencing

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Applied Soil Ecology

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Long-term climate, vegetation and fire regime change in a managed municipal water supply area, British Columbia, Canada

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The Holocene

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Comparison of geospatial and ground-based methods for determining postharvest dispersed woody residues

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Canadian Journal of Forest Research

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Long-term time series of annual ecosystem production (1985–2010) derived from tree rings in Douglas-fir stands on Vancouver Island, Canada using a hybrid biometric-modelling approach

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Forest Ecology and Management

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An improved butanol-HCl assay for quantification of water-soluble, acetone:methanol-soluble, and insoluble proanthocyanidins (condensed tannins)

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Plant Methods

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Historical effects of dissolved organic carbon export and land management decisions on the watershed-scale forest carbon budget of a coastal British Columbia Douglas-fir-dominated landscape

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Carbon Balance and Management

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Late-rotation nitrogen fertilization of Douglas-fir: growth response and fibre properties

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Canadian Journal of Forest Research

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Evidence for the role and fate of water-insoluble condensed tannins in the short-term reduction of carbon loss during litter decay

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Biogeochemistry

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Erratum to: The chemistry of some foliar litters and their sequential proximate analysis fractions

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Biogeochemistry

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Nutrient-cycling microbes in coastal Douglas-fir forests: regional-scale correlation between communities, in situ climate, and other factors

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Frontiers in Microbiology

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Roles of Protozoa and Nematodes in Nutrient Cycling

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Microbial-Plant Interactions

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other

The chemistry of some foliar litters and their sequential proximate analysis fractions

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Biogeochemistry

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Comparison of carbon-stock changes, eddy-covariance carbon fluxes and model estimates in coastal Douglas-fir stands in British Columbia

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Forest Ecosystems

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Long-term litter decay in Canadian forests and the influence of soil microbial community and soil chemistry

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Soil Biology and Biochemistry

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Comparison of remote sensing and ground-based methods for determining residue burn pile wood volumes and biomass

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Canadian Journal of Forest Research

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Effects of natural resource development on the terrestrial biodiversity of Canadian boreal forests

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Environmental Reviews

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Aboveground large tree mass estimation in a coastal forest in British Columbia using plot-level metrics and individual tree detection from lidar

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Canadian Journal of Remote Sensing

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Evapotranspiration and canopy characteristics of two lodgepole pine stands following mountain pine beetle attack

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Hydrological Processes

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Gross and aboveground net primary production at Canadian forest carbon flux sites

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Agricultural and Forest Meteorology

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Anticipating the consequences of climate change for Canada’s boreal forest ecosystems

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Environmental Reviews

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Evaluating the impacts of climate variability and disturbance regimes on the historic carbon budget of a forest landscape

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Agricultural and Forest Meteorology

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Estimation of aerodynamic roughness of a harvested Douglas-fir forest using airborne LiDAR

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Remote Sensing of Environment

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Carbon balance of a partially harvested mixed conifer forest following mountain pine beetle attack and its comparison to a clear-cut

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Biogeosciences

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Incorporating weather sensitivity in inventory-based estimates of boreal forest productivity: A meta-analysis of process model results

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Ecological Modelling

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Selected papers from the 2011 Soil Ecology Society conference: An emphasis on fungi and forest or prairie soils

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Applied Soil Ecology

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Decomposition and change in N and organic composition of small-diameter Douglas-fir woody debris over 23 years

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Canadian Journal of Forest Research

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Including the effects of water stress on decomposition in the Carbon Budget Model of the Canadian Forest Sector CBM-CFS3

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Ecological Modelling

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Evaluating weather effects on interannual variation in net ecosystem productivity of a coastal temperate forest landscape: A model intercomparison

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Ecological Modelling

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Microfungal diversity associated with <i>Kindbergia oregana</i> in successional forests of British Columbia

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Ecological Research

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Determination of ecosystem carbon-stock distributions in the flux footprint of an eddy-covariance tower in a coastal forest in British Columbia

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Canadian Journal of Forest Research

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Nature and nurture in the dynamics of C, N and P during litter decomposition in Canadian forests

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Plant and Soil

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Impact of mountain pine beetle on the net ecosystem production of lodgepole pine stands in British Columbia

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Agricultural and Forest Meteorology

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Net ecosystem productivity of temperate and boreal forests after clearcutting–a Fluxnet-Canada measurement and modelling synthesis

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Tellus B

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Litter decomposition and nitrogen mineralization from an annual to a monthly model

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Ecological Modelling

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Implications of differing input data sources and approaches upon forest carbon stock estimation

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Environmental Monitoring and Assessment

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Soil CO2 and N2O flux dynamics in a nitrogen-fertilized Pacific Northwest Douglas-fir stand

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Geoderma

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Impact of nitrogen fertilization on carbon and water balances in a chronosequence of three Douglas-fir stands in the Pacific Northwest

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Agricultural and Forest Meteorology

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Stoichiometric controls on carbon, nitrogen, and phosphorus dynamics in decomposing litter

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Ecological Monographs

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Leaf litter decomposition—Estimates of global variability based on Yasso07 model

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Ecological Modelling

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Chemical Changes During 6 Years of Decomposition of 11 Litters in Some Canadian Forest Sites. Part 1. Elemental Composition, Tannins, Phenolics, and Proximate Fractions

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Ecosystems

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Chemical Changes During 6 Years of Decomposition of 11 Litters in Some Canadian Forest Sites. Part 2. 13C Abundance, Solid-State 13C NMR Spectroscopy and the Meaning of “Lignin”

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Ecosystems

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Forest management and maintenance of ectomycorrhizae: A case study of green tree retention in south-coastal British Columbia

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Journal of Ecosystems and Management

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Prediction of Nuclear Magnetic Resonance Carbon Fractions in Decomposing Forest Litter Using Diffuse Reflectance Infrared Fourier Transform Spectroscopy and Partial Least Squares Regression

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Soil Science

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Applicability of Diffuse Reflectance Fourier Transform Infrared Spectroscopy to the Chemical Analysis of Decomposing Foliar Litter in Canadian Forests

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Soil Science

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CBM-CFS3: A model of carbon-dynamics in forestry and land-use change implementing IPCC standards

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Ecological Modelling

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Aboveground large tree mass estimation in a coastal forest in British Columbia using plot-level metrics and individual tree detection from lidar

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Canadian Journal of Remote Sensing

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Derivation of a spatially explicit 86-year retrospective carbon budget for a landscape undergoing conversion from old-growth to managed forests on Vancouver Island, BC

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Forest Ecology and Management

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Modeling forest leaf-litter decomposition and N mineralization in litterbags, placed across Canada: A 5-model comparison

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Ecological Modelling

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N<sub>2</sub>O emissions and carbon sequestration in a nitrogen‐fertilized Douglas fir stand

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Journal of Geophysical Research: Biogeosciences

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Global decomposition experiment shows soil animal impacts on decomposition are climate‐dependent

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Global Change Biology

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The Global Stoichiometry of Litter Nitrogen Mineralization

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Science

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Colonization and decomposition of salal (Gaultheria shallon) leaf litter by saprobic fungi in successional forests on coastal British Columbia

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Canadian Journal of Microbiology

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Litter decomposition and nitrogen and phosphorus dynamics in peatlands and uplands over 12 years in central Canada

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Oecologia

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Assessing Tower Flux Footprint Climatology and Scaling Between Remotely Sensed and Eddy Covariance Measurements

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Boundary-Layer Meteorology

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Modeling mass and nitrogen remaining in litterbags for Canadian forest and climate conditions

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Canadian Journal of Soil Science

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Estimating branch production in trembling aspen, Douglas-fir, jack pine, black spruce, and balsam fir

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Canadian Journal of Forest Research

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Comparison of MODIS, eddy covariance determined and physiologically modelled gross primary production (GPP) in a Douglas-fir forest stand

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Remote Sensing of Environment

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Estimating canopy structure of Douglas-fir forest stands from discrete-return LiDAR

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Trees

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Carbon dioxide fluxes in coastal Douglas-fir stands at different stages of development after clearcut harvesting

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Agricultural and Forest Meteorology

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Spatial patterns and competition of tree species in a Douglas-fir chronosequence on Vancouver Island

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Ecography

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Decomposition, δ<sup>13</sup>C, and the “lignin paradox”

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Canadian Journal of Soil Science

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Patterns of Carbon, Nitrogen and Phosphorus Dynamics in Decomposing Foliar Litter in Canadian Forests

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Ecosystems

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Litter decomposition affected by climate and litter quality—Testing the Yasso model with litterbag data from the Canadian intersite decomposition experiment

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Ecological Modelling

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Patterns of decomposition and carbon, nitrogen, and phosphorus dynamics of litter in upland forest and peatland sites in central Canada

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Canadian Journal of Forest Research

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Diversity of ectomycorrhizae on experimentally planted Douglas-fir seedlings in variable retention forestry sites on southern Vancouver Island

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Canadian Journal of Botany

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Abundance, species diversity, and community structure of Collembola in successional coastal temperate forests on Vancouver Island, Canada

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Applied Soil Ecology

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Functional role of Collembola in successional coastal temperate forests on Vancouver Island, Canada

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Applied Soil Ecology

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Attributes and indicators of old-growth and successional Douglas-fir forests on Vancouver Island

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Environmental Reviews

Summary

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Rates of litter decomposition over 6 years in Canadian forests: influence of litter quality and climate

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Canadian Journal of Forest Research

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Derivation and validation of Canada-wide coarse-resolution leaf area index maps using high-resolution satellite imagery and ground measurements

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Remote Sensing of Environment

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Harvesting and Climate Effects on Organic Matter Characteristics in British Columbia Coastal Forests

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Journal of Environmental Quality

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A comparison of digital and film fisheye photography for analysis of forest canopy structure and gap light transmission

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Agricultural and Forest Meteorology

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Developing an online database of descriptions of ectomycorrhizae

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Journal of Ecosystems and Management

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Characterization of soil P in coastal forest chronosequences of southern Vancouver Island: effects of climate and harvesting disturbance

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Canadian Journal of Soil Science

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Variability in litter quality and its relationship to litter decay in Canadian forests

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Canadian Journal of Botany

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Nutrient concentrations and nitrogen mineralization in forest floors of single species conifer plantations in coastal British Columbia

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Canadian Journal of Forest Research

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Relationship of readings from the LI-COR canopy analyzer to total one-sided leaf area index and stand structure in immature Douglas-fir

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Forest Ecology and Management

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Assessing bias from boles in calculating leaf area index in immature Douglas-fir with the LI-COR canopy analyzer

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Agricultural and Forest Meteorology

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Canopy openness and leaf area in chronosequences of coastal temperate rainforests

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Canadian Journal of Forest Research

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Litter decomposition rates in Canadian forests

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Global Change Biology

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PMAS-NMR spectroscopy and chemical analysis of coarse woody debris in coastal forests of Vancouver Island

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Forest Ecology and Management

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A manual of concise descriptions of North American ectomycorrhizae

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Mycorrhiza

Summary

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Erratum: Comparison of communities of ectomycorrhizal fungi in old-growth and maturestands of Douglas-fir at two sites on southern Vancouver Island

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Canadian Journal of Forest Research

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Comparison of communities of ectomycorrhizal fungi in old-growth and mature stands of Douglas-fir at two sites on southern Vancouver Island

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Canadian Journal of Forest Research

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Distribution of ectomycorrhizas in micro-habitats in mature and old-growth stands of Douglas-fir on southeastern Vancouver Island

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Soil Biology and Biochemistry

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<sup>13</sup>C nuclear magnetic resonance spectroscopy with cross-polarization and magic-angle spinning investigation of the proximate-analysis fractions used to assess litter quality in decomposition studies

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Canadian Journal of Botany

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Fate of urea and ureaformaldehyde nitrogen in a one-year laboratory incubation with Douglas-fir forest floor

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Soil Biology and Biochemistry

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Microbial respiration and biomass (substrate-induced respiration) in soils of old-growth and regenerating forests on northern Vancouver Island, British Columbia

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Biology and Fertility of Soils

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Influence of body size of soil fauna on litter decomposition and 15N uptake by poplar in a pot trial

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Soil Biology and Biochemistry

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Litter quality and its potential effect on decay rates of materials from Canadian forests

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Water, Air, &amp; Soil Pollution

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Influence of micro- and macro-habitat factors on collembolan communities in Douglas-fir stumps during forest succession

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Applied Soil Ecology

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Litter Quality and Its Potential Effect on Decay Rates of Materials from Canadian Forests

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Boreal Forests and Global Change

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other

Characterization of organic matter in a forest soil of coastal British Columbia by NMR and pyrolysis-field ionization mass spectrometry

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Plant and Soil

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Annual rates and elemental concentrations of litter fall in thinned and fertilized Douglas-fir

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Canadian Journal of Forest Research

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Rates of rhizodeposition and ammonium depletion in the rhizosphere of axenic oat roots

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Plant and Soil

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A technique to decontaminate soil microarthropods for introduction to gnotobiotic systems

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Pedobiologia

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Interactions of Bacteria, Fungi, and their Nematode Grazers: Effects on Nutrient Cycling and Plant Growth

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Ecological Monographs

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Soil mesofaunal distribution in relation to habitat types in a shortgrass prairie

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Pedobiologia

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Mineralization of cellulose in the presence of chitin and assemblages of microflora and fauna in soil

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Oecologia

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Effects of freeze-thaw stress on bacterial populations in soil microcosms

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Microbial Ecology

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Relationships between soil type and soil nematodes in a shortgrass prairie

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Pedobiologia

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Phosphorus mineralization by a soil pseudomonad in spent oil shale as affected by a rhabditid nematode

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Soil Biology and Biochemistry

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Chitin decomposition in a model soil system

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Soil Biology and Biochemistry

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A gnotobiotic plant microcosm

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Plant and Soil

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Range Extensions of Two Rare Alberta Shrubs

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Blue Jay

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