Search Results - "Watmough, Shaun"
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Critical loads for alkalization in terrestrial ecosystems
Published in The Science of the total environment (01-06-2024)“…Critical loads are a risk assessment approach that has supported large decreases in atmospheric acidic deposition globally. In Canada, SOx emissions fell by…”
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Geochemistry and toxicity of a large slag pile and its drainage complex in Sudbury, Ontario
Published in The Science of the total environment (15-12-2017)“…Slag piles from mining activities are common worldwide, but in contrast to mine tailings the environmental impact of runoff from slag piles is less documented…”
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Impediments to recovery from acid deposition
Published in Atmospheric environment (1994) (01-12-2016)“…In response to large reductions in sulphur (S) emissions over the past 30 years, sulphate (SO42−) concentrations in precipitation at Plastic Lake in…”
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Decreased atmospheric nitrogen deposition in eastern North America: Predicted responses of forest ecosystems
Published in Environmental pollution (1987) (01-01-2019)“…Historical increases in emissions and atmospheric deposition of oxidized and reduced nitrogen (N) provided the impetus for extensive, global-scale research…”
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Historical and contemporary metal budgets for a boreal shield lake
Published in The Science of the total environment (15-11-2017)“…Metal concentrations in sediment cores are widely used to reconstruct metal deposition histories, but rarely have metal budgets based on measured inputs…”
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Interactive effects of precipitation and above canopy nitrogen deposition on understorey vascular plants in a jack pine (Pinus banksiana) forest in northern Alberta, Canada
Published in The Science of the total environment (10-01-2023)“…Elevated nitrogen (N) deposition in the bituminous sands region of northern Alberta, Canada is localized but expected to increase over time. Here we seek to…”
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Liming legacy effects associated with the world's largest soil liming and regreening program in Sudbury, Ontario, Canada
Published in The Science of the total environment (20-01-2022)“…Limestone is a common amendment used to counteract soil acidity and metal pollution. Understanding the legacy effects of a one-time soil limestone application…”
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The impact of severe pollution from smelter emissions on carbon and metal accumulation in peatlands in Ontario, Canada
Published in Environmental pollution (1987) (01-03-2023)“…Peatlands are unique habitats that function as a carbon (C) sink and an archive of atmospheric metal deposition. Sphagnum mosses are key components of…”
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The impact of drought and air pollution on metal profiles in peat cores
Published in The Science of the total environment (15-01-2016)“…Peat cores have long been used to reconstruct atmospheric metal deposition; however, debate remains regarding how well historical depositional patterns are…”
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The role of wetland coverage within the near‐stream zone in predicting of seasonal stream export chemistry from forested headwater catchments
Published in Hydrological processes (15-05-2019)“…Stream chemistry is often used to infer catchment‐scale biogeochemical processes. However, biogeochemical cycling in the near‐stream zone or hydrologically…”
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Calcium, strontium and barium biogeochemistry in a forested catchment and insight into elemental discrimination
Published in Biogeochemistry (01-04-2014)“…Elemental ratios of calcium (Ca), strontium (Sr) and barium (Ba) in plant tissue have been used to help identify sources of Ca in trees. However, recent work…”
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Forest Fertilization Associated with Oil Sands Emissions
Published in Ecosystems (New York) (01-01-2019)“…The Athabasca Oil Sands in Alberta, Canada, is one of the largest point sources emitters of NOₓ and SO₂ in Canada, and there have been widespread concerns over…”
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The Impact of Invasive Earthworms on Soil Respiration and Soil Carbon Within Temperate Hardwood Forests
Published in Ecosystems (New York) (01-08-2016)“…Improving current understanding of the factors that control soil carbon (C) dynamics in forest ecosystems remains an important topic of research as it plays an…”
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The importance of atmospheric base cation deposition for preventing soil acidification in the Athabasca Oil Sands Region of Canada
Published in The Science of the total environment (15-09-2014)“…Industrial activities in the oil sands region of Alberta, Canada have resulted in greatly elevated emissions of SO2 and N (NOx and NH3) and there are concerns…”
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How arsenic contamination influences downslope wetland plant and microbial community structure and function
Published in The Science of the total environment (10-06-2023)“…Mine tailings are prevalent worldwide and can adversely impact adjacent ecosystems, including wetlands. This study investigated the impact of gold (Au) mine…”
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Impacts of simulated drought on pore water chemistry of peatlands
Published in Environmental pollution (1987) (01-01-2014)“…Northern peatlands are increasingly threatened by climate change and industrial activities. This study examined the impact of simulated droughts on pore water…”
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Edaphic factors influencing vegetation colonization and encroachment on arsenical gold mine tailings near Sudbury, Ontario
Published in Environmental pollution (1987) (01-09-2020)“…Mine tailings are found worldwide and can have significant impacts on ecosystem and human health. In this study, natural vegetation patterns on arsenical (As)…”
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Soil carbon pools and fluxes following the regreening of a mining and smelting degraded landscape
Published in The Science of the total environment (15-12-2023)“…Increasing forest cover by regreening mining and smelting degraded landscapes provides an opportunity for global carbon (C) sequestration, however, the…”
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Factors controlling peat chemistry and vegetation composition in Sudbury peatlands after 30 years of pollution emission reductions
Published in Environmental pollution (1987) (01-11-2015)“…The objective of this research was to assess factors controlling peat and plant chemistry, and vegetation composition in 18 peatlands surrounding Sudbury after…”
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