4 record(s) found for principal investigator "MacDonald, Glen" (multi-year projects are grouped):
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2000 Years of Climate Change at Treeline North of Yellowknife
Principal Investigator: MacDonald, Glen M
Licensed Year(s): 2005
Summary: The researchers believe that the treeline zone is one of the most sensitive areas on earth to temperature changes, both natural and caused by global warming. They would like to take a small core (5 cm diameter) from the mud at the bottom of two small lakes close to Back Lake, northeast of Yellowknife. In the laboratory, they will analyze the cores for temperature-sensitive aquatic insect remains...


Post-glacial treeline change in the Campbell-Dolomite Uplands of the Inuvik area
Principal Investigator: MacDonald, Glen M
Licensed Year(s): 1993
Summary: As part of an on-going study, this research will involve collecting cores from trees located in the Campbell-Dolomite Uplands (near Campbell Lake). This data will be added to data collected in other locations (past studies) in order to determine how past climate has influenced the growth of trees (as indicated by tree rings within the tree trunk). The research is helpful in trying to understand ...


Postglacial Treeline Change in the Mackenzie-Selwyn Mountains
Principal Investigator: MacDonald, Glen M
Licensed Year(s): 1992 1990
Summary: The research party will continue to study past climatic variation and will continue to examine the relationship between climatic change and vegetation response. They will continue lake sediment coring and will collect tree increment cores....


Licence #5070
Principal Investigator: MacDonald, Glen M
Licensed Year(s): 1985
Summary: To collect surface samples from small lakes to reconstruct the response of plant populations in the treeline zone to climatic change....


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