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Skip to Search Results- 10Graduate and Postdoctoral Studies (GPS), Faculty of
- 10Graduate and Postdoctoral Studies (GPS), Faculty of/Theses and Dissertations
- 4Biological Sciences, Department of
- 4Biological Sciences, Department of/Journal Articles (Biological Sciences)
- 2Sustainable Forest Management Network
- 2Oil Sands Research and Information Network (OSRIN)
- 1Devito, Kevin (Biological Sciences)
- 1Korver, Doug (Agricultural, Food and Nutritional Science)
- 1Korver, Doug (Agriculture, Food and Nutritional Science)
- 1Mager, Diana (Department of Agricultural, Food and Nutrition Science)
- 1Richard, Caroline (Department of Agricultural, Food and Nutritional Science)
- 1Schindler, David (Biological Sciences)
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Impacts on Water Quality at a Newly Opened and Extracted Peatland: Influence of Internal Processes and Hydrological Connectivity in Horticultural Peat Harvesting
DownloadSpring 2024
Horticultural peat harvesting continues to expand in Canada, yet the impact to downstream water quality during the initial stages of peatland opening and peat extraction are poorly understood. Major changes can occur to the hydrology and internal processes within a peatland during the transition...
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The impact of food processing and diet quality on nutrition management for adults living with kidney disease
DownloadSpring 2023
Background: Food processing changes the health value and nutrient content of foods. In the general population, consumption of minimally processed foods is encouraged to reduce the intake of free sugar, fat and sodium and increase fibre, protein and potassium intake. Many nutritious foods are...
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Supporting information: Controls on methylmercury concentrations in lakes and streams of peatland-rich catchments along a 1700 km permafrost gradient
Download2022-12-05
Lauren M Thompson, McKenzie A Kuhn, Johanna C Winder, Lucas PP Braga, Ryan HS Hutchins, Andrew J Tanentzap, Vincent L St. Louis, David Olefeldt
Supporting information: "Controls on methylmercury concentrations in lakes and streams of peatland-rich catchments along a 1700 km permafrost gradient." Figure S1: Satellite imagery, hydrographs, and flowpaths of study regions; Figure S2: Regression of unfiltered MeHg and SUVA254; Figure S3:...
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Effects of phytase in laying hen diets reduced in available phosphorus and calcium on productivity, eggshell quality, and bone mineralization of white egg layers
DownloadSpring 2021
Phosphorus and Ca are essential for maintaining egg production and bone health of laying hens. The effects of marginal or moderate reductions in available P (aP) and Ca in layer diets, with or without phytase supplementation on performance, egg production, apparent ileal digestibility (AID) and...
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Effects of dietary phosphorus and calcium levels and phytase supplementation on bone metabolism of egg-laying hens
DownloadFall 2018
The importance of this Ph.D. thesis work is to assess the effects of dietary available phosphorus (avP) and calcium (Ca) levels and phytase supplementation in egg-laying hens and broilers. Two trials were conducted to evaluate the effects of marginal, moderate, and severe reduction in dietary avP...
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Effects of Root Zone pH, Calcium and Phosphorus Supply on Selected Boreal Forest Plant Species
DownloadSpring 2015
Soil pH is among the major environmental factors affecting plant growth. In the reclaimed areas following open-pit oil sands mining in northeastern Alberta, Canada, the pH of reclaimed soil is commonly higher than 8.0. The optimum range of soil pH for growth and the tolerance of pH extremes...
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The Role of Iron in Suppressing Internal Phosphorus Loading and Toxic Cyanobacterial Blooms in Freshwater Lakes
DownloadFall 2013
Harmful algal blooms occur in nutrient-rich lakes around the world, diminishing the value of these ecosystems for wildlife and humans. Management of algal blooms is an on-going challenge for lake managers and policy makers. The overarching goal of this research was to advance our understanding of...
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Regional and local controls of surface water chemistry in the Boreal Plain and Shield transition of Canada
DownloadFall 2010
The Western Boreal Forest exhibits complex hydrogeology juxtaposed with rapid resource development. Predicting surface water chemistry to assess the influence of landuse and climate change is needed. The research purpose was to test if a global model (Gibbs), used to assess water chemistry...
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Planktonic responses to nitrogen and phosphorus deposition - a natural alpine pond experiment
DownloadFall 2010
Several lines of evidence suggest small alpine lakes and ponds are sensitive to nitrogen deposition. Paleolimnological studies, nutrient bioassays, and mesocosm experiments show the positive effects of nitrogen on aquatic alpine primary producers. In particular, alpine pond ecosystems have been...
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Spatial heterogeneity in trophic status of shallow lakes on the Boreal Plain: Influence of hydrologic setting
Download2008
Creed, I.F., Sass, G.Z., Devito, K.J.
[1] We used metrics of surface water and groundwater connectivity as explanatory variables in nonparametric regression models to explain the spatial heterogeneity in trophic status of shallow lakes. The concentration of chlorophyll a (Chl a) was used as an indicator of trophic status and was...