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mercury
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2 record(s) found for principal investigator "Evans, Marlene" (multi-year projects are grouped):
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An investigation of the factors affecting high mercury concentrations in predatory fish in the Mackenzie River Basin.
Principal Investigator: Evans, Marlene S.
Licensed Year(s): 2003 1998
Summary: It has recently been learned that predatory fish in some lakes in the Mackenzie Basin have very high concentrations of mercury. This study will try to determine why the mercury concentrations are high. The researcher will fly into Cli Lake. A boat, a depth sounder and a global positional finder will be used to find out how deep the lakes in different spots. The temperature of the water, its acidit...
Licensed Year(s): 2003 1998
Summary: It has recently been learned that predatory fish in some lakes in the Mackenzie Basin have very high concentrations of mercury. This study will try to determine why the mercury concentrations are high. The researcher will fly into Cli Lake. A boat, a depth sounder and a global positional finder will be used to find out how deep the lakes in different spots. The temperature of the water, its acidit...
Influence of the Slave River on Great Slave Lake
Principal Investigator: Evans, Marlene S.
Licensed Year(s): 1992
Summary: The Researchers will collect a series of sediment and water samples. These will be analyzed for plant nutrients, concentration of microscopic plant cells, bacteria, suspended solids, dissolved oxygen and organic contaminants. Microscopic animals will also be netted. They will determine the abundance and composition of the animals and conduct experiments to measure their feeding rates and fat cont...
Licensed Year(s): 1992
Summary: The Researchers will collect a series of sediment and water samples. These will be analyzed for plant nutrients, concentration of microscopic plant cells, bacteria, suspended solids, dissolved oxygen and organic contaminants. Microscopic animals will also be netted. They will determine the abundance and composition of the animals and conduct experiments to measure their feeding rates and fat cont...
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