Irena CreedFaculty of Science

Past

Undergraduate | Graduate | Post-Doctoral

Undergraduate Thesis Supervision

Quick, Christopher. 2012. Effects of global climate oscillations on local water yields. Environmental Sciences, The University of Western Ontario, London, ON.

Matheson, Julia. 2011. Establishing sediment core archives for algal communities in Lake Naivasha, Kenya: A story of two basins. Environmental Sciences, The University of Western Ontario, London, ON. (One semester research project).

Bakker, Nicole. 2011. Encroachment of settlements within riparian buffer areas as a leading cause of declining dissolved oxygen concentrations in Lake Naivasha, Kenya. Environmental Sciences, The University of Western Ontario, London, ON.

Du, Xue (Lily). 2011. The importance of soil CO2 efflux during rain events in estimating forest carbon budgets. Department of Biology, The University of Western Ontario, London, ON.

Delaney, Kristen. 2008. Potential for changes in carbon dioxide efflux from organic deposits in a temperate forested swamp under changing climatic conditions.  Department of Biology, The University of Western Ontario, London, ON.

Frederick, Mallory. 2008. Setting physically based standards for minimal complexity in water balance models in forested landscapes. Department of Applied Mathematics, The University of Western Ontario, London, ON. (Co-supervised by Dr. A. MacIssac).

Alexiu, Michelle. 2008. Biodiversity and productivity of a tallgrass prairie along a one-thousand-year chronosequence.  Department of Biology, The University of Western Ontario, London, ON. (Co-supervised with Dr. J. Bowles)

Spitale, Sal. 2007.  Carbon dioxide and methane emissions from prairie potholes.  Department of Biology, The University of Western Ontario, London, ON. (one semester research project)

Adams, Jennifer. 2007.  Nitrous oxide emissions from prairie potholes. Environmental Sciences, The University of Western Ontario, London, ON.

Nadeau, Erin. 2005. Effect of soil water content on microbial production of greenhouse gases in upland soils in a deciduous forest. Department of Biology, The University of Western Ontario, London, ON. (Jointly-supervised by Dr. R. Bourbonniere).

Maloni, Ranjena. 2005. Effect of soil water content on microbial production of greenhouse gases in lowland soils in a deciduous forest. Environmental Sciences, The University of Western Ontario, London, ON. (Jointly-supervised with Dr. R. Bourbonniere).

Casson, Nora. 2005. Defining the character of dissolved organic matter leached from forest floor substrates of varying age: Do standard methods apply? Department of Biology, The University of Western Ontario, London, ON. (Jointly-supervised with Dr. R. Bourbonniere).

Kelly, Sean. 2004. Modelling the fate of dissolved organic carbon in surface waters within a sugar maple landscape in the Algoma Highlands in central Ontario. Department of Geography, The University of Western Ontario, London, ON.

Kapila, Rajan. 2004. From freshly fallen leaves to litter: The effect of leaching of the carbon substrate on soil respiration in a hardwood forest. Department of Biology, The University of Western Ontario, London, ON. (Jointly-supervised with Dr. R. Bourbonniere).

Gareis, Jolie. 2002. SuBrface saturated area as a predictor of the magnitude and character of dissolved organic carbon and dissolved inorganic nitrogen exported from catchments in the Turkey Lakes Watershed, central Ontario. Department of Plant Sciences, The University of Western Ontario, London, ON. 

Lynch, Michael. 2001. Geomorphic controls on the export of dissolved organic carbon from forested catchments in central Ontario. Department of Plant Sciences, The University of Western Ontario, London, ON. 

Ure, Darien. 2000. Environmental factors influencing growth rates of red spruce (Picea rubens Sarg.) across an elevational gradient in the southern Appalachians. Department of Plant Sciences, The University of Western Ontario, London, ON.

Graduate Thesis Supervision

MSc Degree Theses

Du, Xue (Lily). 2013. Cyanobacterial harmful algal blooms (cHABs) unlocked by the presence siderophores: Iron is the key. Department of Biology, The University of Western Ontario, London, ON.

McLaughlin, Jace. 2012. Cause for increased incidence of harmful algal blooms in oligotrophic lakes. Department of Biology, The University of Western Ontario, London, ON. (Co-supervised by Dr. C. Trick).

Lecki, Natalia. 2011. Microbial controls on carbon dioxide efflux from a forested swamp. Department of Biology, The University of Western Ontario, London, ON.

Casson, Nora. 2008. Rain induced bursts of denitrification activity account for differences in dissolved nitrogen export from forested catchments. Department of Biology, The University of Western Ontario, London, ON.

Rams, Andrew. 2008. Shifts in the magnitude and partitioning of atmospheric versus aquatic carbon export in response to changing climatic conditions. Department of Biology, The University of Western Ontario, London, ON.

Fairweather, Tarrah. 2007. Tracking the alternative fates of nitrogen in forested catchments. Department of Biology, The University of Western Ontario, London, ON.

Carlyle, Stephen. 2006. The changing nature of topographic controls on soil moisture in prairie pothole complexes along a climatic gradient. Department of Geography, The University of Western Ontario, London, ON.

Braun, Gena. 2006. Specificity of substrate control on carbon dioxide efflux from soils along a forest toposequence. Department of Biology, The University of Western Ontario, London, ON.

Sanford, Seneca. 2005. Scale-dependence of natural variability of stream flow parameters in a forested drainage basin on the Boreal Shield. Department of Geography, The University of Western Ontario, London, ON.

Clark, Rodney. 2004. Mapping probability of inundation beneath a forest canopy: A multi-temporal analysis of ERS synthetic aperture radar data. Department of Geography, The University of Western Ontario, London, ON. 

Wolniewicz, Marta. 2002. Hydrological Portals: Unprotected Pathways of Nutrient Loading to Boreal Lakes. Department of Geography, The University of Western Ontario, London, ON.

Morrison, Deb. 2002. The nitrogen sink versus source potential of coarse woody debris in the southern Appalachians, USA. Department of Plant Sciences, The University of Western Ontario, London, ON. 

Krezek, Chelene. 2001. Climatic regulation of peak flows and their contributing source areas under natural and disturbed conditions in the Carnation Creek Watershed, Vancouver Island, BC, CANADA. Department of Plant Sciences, The University of Western Ontario, London, ON.

MSc Degree Theses from Egerton University (where I am Adjunct Professor)

Evelia, Dorothy. 2013. Causes and consequences of the drop in dissolved oxygen concentrations in Lake Naivasha, Kenya.  Department of Environmental Science, Egerton Universisty, Nakuru, Kenya.  (Co-supervised with Dr. William Shivoga, Egerton University).

Enanga, Eric. 2009. Effectiveness of riparian buffer strips in mitigating changes in soil properties related to land use activities in the River Njoro watershed, Kenya.  Department of Environmental Science, Egerton Universisty, Nakuru, Kenya.  (Co-supervised with Dr. William Shivoga, Egerton University).

PhD Degree Theses

Sorichetti, Ryan. 2013. The role of N:P and iron in the recent emergence of cyanobacterial blooms in oligotrophic lakes in the Canadian Shield.  Department of Biology, The University of Western Ontario, London, ON. (Co-supervised by Dr. C. Trick). 

Mengistu, Samson Girma. 2012. Hydrologic and biogeochemical consequences of forest management practices in a glaciated watershed. Department of Earth Sciences, The University of Western Ontario, London, ON.

Gala, Tekleab. 2010. Satellite-based mapping of near-surface and surface water in the Prairie Pothole region of central Canada.  Department of Geography, The University of Western Ontario, London, ON.

Webster, Kara. 2007.  Soil respiration from forest soils in topographically complex landscapes. Department of Biology, The University of Western Ontario, London, ON.

Sass, Gabor. 2006. Hydrologic controls on the trophic status of lakes on the Boreal Plain. Department of Geography, The University of Western Ontario, London, ON.

Lindsay, John. 2004. Coping with topographic depressions in digital terrain analysis. Department of Geography, The University of Western Ontario, London, ON.

 

Post-Doctoral Fellow Supervision

Sass, Gabor.  2011.  Hydrologic controls on the trophic status of lakes in disturbed landscapes on the Boreal Plain. Alberta Water Research Institute Fellowship. Department of Biology, The University of Western Ontario, London, ON. Co-supervised with Dr. Suzanne Bayley, University of Alberta.

Sass, Gabor.  2006-2010.  Hydrologic controls on the trophic status of lakes in disturbed landscapes on the Boreal Plain. NSERC Post-Doctoral Fellowship. Department of Biology, The University of Western Ontario, London, ON. Co-supervised with Dr. Suzanne Bayley, University of Alberta.

Sass, Gabor.  2006-2008.  Hydro Ecological Landscapes and Processes (HELP). Post-Doctoral Fellowship with the Sustainable Forest Management Network. Department of Biology, The University of Western Ontario, London, ON. Co-supervised with Dr. Suzanne Bayley, University of Alberta and Dr. James Buttle, Trent University.

Kaheil, Yasir.  2008-2009.  Developing techniques to downscale radar images for mapping of critical hydrologic features on landscapes.  Department of Biology, The University of Western Ontario, London, ON. Current Position: Post-doctoral Researcher at the International Research Institute for Climate and Society, Columbia University.