4 record(s) found with the tag "aquatic invertebrates" (multi-year projects are grouped):
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Further Examination of the Bio- Magnification of Mercury within Fish Species of the Dehcho and Their Varying Levels Among Lakes
Principal Investigator: Swanson, Heidi
Licenced Year(s): 2017 2016 2016 2015 2014 2013
Summary: The objectives of this research project are: 1) to determine why fish mercury levels vary among lakes in the Dehcho region; 2) to identify best predictors of fish mercury levels; and, 3) to determine which fish have the lowest levels of mercury and highest levels of micro-nutrients and fatty acids. The methods for this project include two parts, first is the collection of food web data from eac...

Environmental Effects Monitoring for Miramar Con Mine Ltd. and Miramar Giant Mine Ltd.
Principal Investigator: Schryer, Richard P
Licenced Year(s): 2004 2003
Summary: Under the new Metal Mining Effluent Regulations (Fisheries Act), an Environmental Effects Monitoring (EEM) program is required to determine the effects of mine effluent on fish and fish habitat. As part of the study, water quality and aquatic organism he...

Metabolism of arctic fish and invertebrates
Principal Investigator: Gerrits, Martin
Licenced Year(s): 1994
Summary: The researchers are interested in understanding how prolonged cold conditions and reduced food availability in winter affect char. Sea-run char must increase their fat levels so that they have enough energy stored for overwintering and reproduction. Research activities will also include collecting fish and invertebrate specimens to make comparisons about cold tolerance and diet of these specimen...

Studies on genetic diversity in freshwater invertebrates and lake trout, at a high arctic site.
Principal Investigator: Hebert, Paul D.N.
Licenced Year(s): 1987
Summary: To continue work on the genetics and ecology of arctic freshwater organisms during 1987. To assess the levels of genetic diversity in ostracode populations, distributional patterns of the dominant ostracodes, while supplementary studies will examine the ecology of ostracode crustaceans and turbellarian flatworms. In addition small samples (5-10 individuals)of Salvelinus namaycush will be obtaine...