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Methane Cycling in Horticultural Extracted, Restored, and Unrestored Peatlands in Central Alberta
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Horticulture peat extraction drastically changes peatland ecosystems and their carbon and greenhouse gas balance. Comprehensive study on the combined response of methane (CH4) cycling (i.e., CH4...
Methane Cycling Microbial Community Characteristics: Comparing Natural, Actively Extracted, Restored and Unrestored Boreal Peatlands
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The microbial community in peat is responsible for organic matter degradation and greenhouse gas emissions, yet its response to peat extraction and peatland restoration remains poorly understood. We...
Miranda Hunter
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Department of Geography and Environmental Management
On the Use of Mulching to Mitigate Permafrost Thaw due to Linear Disturbances in Sub-Arctic Peatlands
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The presence or absence of permafrost strongly influences the hydrology and ecology of northern watersheds. Resource exploration activities are currently having profound effects on hydrological and...
Paleolimnological Assessment of Past Hydro-ecological Variation at a Shallow Hardwater Lake in the Athabasca Oil Sands Region Before Potential Onset of Industrial Development
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Effective environmental monitoring requires knowledge of inherent natural variation. In the absence of pre-development monitoring of aquatic ecosystems, paleolimnological approaches have been...
Partitioning Forest-Floor Respiration into Source Based Emissions in a Boreal Forested Bog: Response to Experimental Drought
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Northern peatlands store globally significant amounts of soil carbon that could be released to the atmosphere under drier conditions induced by climate change. We measured forest floor respiration (R...
Peat Swamp Hydrological Connectivity and Runoff Vary by Hydrogeomorphic Setting: Implications for Carbon Storage
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Despite their importance in carbon cycling and catchment runoff dynamics, the hydrology of temperate peat swamps in response to changing hydrometeorological conditions is largely understudied. We...
Permafrost Thaw Causes Large Carbon Loss in Boreal Peatlands While Changes to Peat Quality are Limited
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Rapid, ongoing permafrost thaw of peatlands in the discontinuous permafrost zone is exposing a globally significant store of soil carbon (C) to microbial processes. Mineralization and release of this...
Petroleum Exploration Increases Methane Emissions from Northern Peatlands
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Peatlands are globally significant sources of atmospheric methane (CH4). In the northern hemisphere, extensive geologic exploration activities have occurred to map petroleum deposits. In peatlands...
Plant Mercury Accumulation and Litter Input to a Northern Sedge-dominated Peatland
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Abstract Plant foliage plays an essential role in accumulating mercury (Hg) from the atmosphere and transferring it to soils in terrestrial ecosystems, and many studies have focused on forested...
Preferential Recharge in a Reclaimed Tailings Sand Upland: Implications on Solute Flushing
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Given the potential for moisture limited conditions due to the sub-humid regional climate, ensuring sufficient water availability in these landscapes is a principal concern. This research demonstrates...
Re-establishment of Peatland Vegetation Following Surface Leveling of Decommissioned In Situ Oil Mining Infrastructures
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This resource is available on an external database and may require a paid subscription to access it. It is included on the CCLM to support our goal of capturing and sharing the breadth of all...
Replacing Natural Wetlands with Stormwater Management Facilities: Biophysical and Perceived Social Values
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This resource is available on an external database and may require a paid subscription to access it. It is included on the CCLM to support our goal of capturing and sharing the breadth of all...
Restoration Approach Influences Carbon Exchange at In-Situ Oil Sands Exploration Sites in East-Central Alberta
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This article outlines the results of monitoring two restored oil sands exploration sites, and discusses the effectiveness of treatments on tree recovery and greenhouse gas emissions.
Restoration of Boreal Peatland Impacted by an In-situ Oil Sands Well-pad 1: Vegetation Response
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The prompt introduction and establishment of peatland donor species through moss layer transfer technique was crucial to the overall re-establishment of peatland vegetation.