2 Dossier(s) trouvé(s) pour le chercheur principal "Evans, Marlene" (les projets pluriannuels sont regroupés):
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An investigation of the factors affecting high mercury concentrations in predatory fish in the Mackenzie River Basin.
chercheur principal: Evans, Marlene S.
Année(s) de permis: 2003 1998
Résumé: 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
chercheur principal: Evans, Marlene S.
Année(s) de permis: 1992
Résumé: 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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