Search Results - "Grayston, Sue"

Soil moisture is the major factor influencing microbial community structure and enzyme activities across seven biogeoclimatic zones in western Canada by Brockett, Beth F.T., Prescott, Cindy E., Grayston, Sue J.

“…Although soil microorganisms play a central role in the soil processes that determine nutrient availability and productivity of forest ecosystems, we are only…”
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Surplus Carbon Drives Allocation and Plant–Soil Interactions by Prescott, Cindy E., Grayston, Sue J., Helmisaari, Heljä-Sisko, Kaštovská, Eva, Körner, Christian, Lambers, Hans, Meier, Ina C., Millard, Peter, Ostonen, Ivika

“…Plant growth is usually constrained by the availability of nutrients, water, or temperature, rather than photosynthetic carbon (C) fixation. Under these…”
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Specificity of plant-microbe interactions in the tree mycorrhizosphere biome and consequences for soil C cycling by Churchland, Carolyn, Grayston, Sue J

“…Mycorrhizal associations are ubiquitous and form a substantial component of the microbial biomass in forest ecosystems and fluxes of C to these belowground…”
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Evidence of a strong coupling between root exudation, C and N availability, and stimulated SOM decomposition caused by rhizosphere priming effects by Bengtson, Per, Barker, Jason, Grayston, Sue J.

“…Increased temperatures and concomitant changes in vegetation patterns are expected to dramatically alter the functioning of northern ecosystems over the next…”
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Effects of long-term fertilization of forest soils on potential nitrification and on the abundance and community structure of ammonia oxidizers and nitrite oxidizers by Wertz, Sophie, Leigh, Adam K.K., Grayston, Sue J.

“…Abstract Forest fertilization in British Columbia is increasing, to alleviate timber shortfalls resulting from the mountain pine beetle epidemic. However,…”
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Long-term effects of stump removal and tree species composition on the diversity and structure of soil fungal communities by Modi, Dixi, Simard, Suzanne, Bérubé, Jean, Lavkulich, Les, Hamelin, Richard, Grayston, Sue J

“…Stump removal is a common forest management practice used to reduce the mortality of trees affected by the fungal pathogen-mediated root disease, Armillaria…”
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Deer slow down litter decomposition by reducing litter quality in a temperate forest by Chollet, Simon, Maillard, Morgane, Schorghuber, Juliane, Grayston, Sue J., Martin, Jean-Louis

“…Litter decomposition is a key process that allows the recycling of nutrients within ecosystems. In temperate forests, the role of large herbivores in litter…”
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Microbial and Environmental Controls of Methane Fluxes Along a Soil Moisture Gradient in a Pacific Coastal Temperate Rainforest by Christiansen, Jesper Riis, Levy-Booth, David, Prescott, Cindy E., Grayston, Sue J.

“…Most studies of greenhouse gas fluxes from forest soils in the coastal rainforest have considered carbon dioxide (CO₂), whereas methane (CH₄) has not received…”
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Effects of leaf litter consumption by millipedes (Harpaphe haydeniana) on subsequent decomposition depends on litter type by Suzuki, Yoriko, Grayston, Sue J., Prescott, Cindy E.

“…Most estimates of litter decomposition rates do not account well for the effects of soil macrofauna, and so may not accurately represent decomposition in…”
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Stump removal and tree species composition promote a bacterial microbiome that may be beneficial in the suppression of root disease by Modi, Dixi, Simard, Suzanne, Lavkulich, Les, Hamelin, Richard C, Grayston, Sue J

“…ABSTRACT Stumping is an effective forest management practice for reducing the incidence of Armillaria root-rot in regenerating trees, but its impact on the…”
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Spatial variability of soil fungal and bacterial abundance: Consequences for carbon turnover along a transition from a forested to clear-cut site by Churchland, Carolyn, Grayston, Sue J., Bengtson, Per

“…Predicted alterations in belowground plant-allocated C as a result of environmental change may cause compositional shifts in soil microbial communities, and it…”
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Plant Community and Nitrogen Deposition as Drivers of Alpha and Beta Diversities of Prokaryotes in Reconstructed Oil Sand Soils and Natural Boreal Forest Soils by Masse, Jacynthe, Prescott, Cindy E, Renaut, Sébastien, Terrat, Yves, Grayston, Sue J

“…The Athabasca oil sand deposit is one of the largest single oil deposits in the world. Following surface mining, companies are required to restore soil-like…”
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Long-term alternative dairy manure management approaches enhance microbial biomass and activity in perennial forage grass by Neufeld, Katarina R., Grayston, Sue J., Bittman, Shabtai, Krzic, Maja, Hunt, Derek E., Smukler, Sean M.

“…Removing solids from liquid dairy manure slurry reduces manure phosphorus (P) and increases the available (mineral) fraction of nitrogen (N) but also decreases…”
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Limited Effects of Variable-Retention Harvesting on Fungal Communities Decomposing Fine Roots in Coastal Temperate Rainforests by Philpott, Timothy J, Barker, Jason S, Prescott, Cindy E, Grayston, Sue J

“…Fine root litter is the principal source of carbon stored in forest soils and a dominant source of carbon for fungal decomposers. Differences in decomposer…”
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Rhizosphere ‘Trade’ Is an Unnecessary Analogy: Response to Noë by Prescott, Cindy E., Grayston, Sue J., Helmisaari, Heljä-Sisko, Kaštovská, Eva, Körner, Christian, Lambers, Hans, Meier, Ina C., Millard, Peter, Ostonen, Ivika

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Context-dependent tree species effects on soil nitrogen transformations and related microbial functional genes by Ribbons, Relena R., Kepfer-Rojas, Sebastian, Kosawang, Chatchai, Hansen, Ole K., Ambus, Per, McDonald, Morag, Grayston, Sue J., Prescott, Cindy E., Vesterdal, Lars

“…Although it is generally accepted that tree species can influence nutrient cycling processes in soils, effects are not consistently found, nor are the…”
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Organic matter accumulation in reclaimed soils under spruce, poplar and grass in the Alberta Oil Sands by Anderson, Jeff, Prescott, Cindy E., Grayston, Sue J.

“…Fundamental to the success of forest restoration following major disturbances such as mining is development of a functioning soil, including the amount,…”
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Changes in soil chemical and biological properties after thinning and prescribed fire for ecosystem restoration in a Rocky Mountain Douglas-fir forest by Switzer, Joshua M., Hope, Graeme D., Grayston, Sue J., Prescott, Cindy E.

“…► Prescribed fire had minimal effects on mineral soil properties. ► Microbial abundance was reduced in forest floors in all burned treatments. ► pH, Ca2+, Mg2+…”
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Physical extent, frequency, and intensity of phosphatase activity varies on soil profiles across a Douglas-fir chronosequence by Brooks, Denise D., Twieg, Brendan D., Grayston, Sue J., Jones, Melanie D.

“…In forest soils, the availability of phosphate is largely dependent on phosphatase activity. We used soil imprinting to compare in situ activity and fine-scale…”
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Ectomycorrhizal and Saprotrophic Fungal Communities Vary Across mm-Scale Soil Microsites Differing in Phosphatase Activity by GODIN, Aaron, BROOKS, Denise, GRAYSTON, Sue J., JONES, Melanie D.

“…To understand nutrient cycling in soils, soil processes and microorganisms need be better characterized. To determine whether specific trophic groups of fungi…”
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