NWT RESEARCH DATABASE

Principal Investigator: Byrne, Geraldine
Licensed Year(s): 2013
Summary: The Aquatic Effects Monitoring Plan (AEMP) and Sediment and Erosion Management Plan (SEMP) are requirements under water license MV2011L0002 issued by the Mackenzie Valley Land and Water Board (MVLWB). The objective of the AEMP is to monitor and identify potential short-term, long-term and cumulative changes throughout the Taltson River aquatic environment. The objective of the SEMP is to identify...

Principal Investigator: Macdonald, Colin R
Licensed Year(s): 2012 2010 2009
Summary: The goal of this project is to determine the levels of potential chemicals of concern in three major fish species through the analysis of muscle and liver samples for mercury, radionuclides and a number of elements. Fish of three species (lake trout, lake whitefish and lake herring) will be collected in the Keith Arm of Great Bear Lake near the community of Deline. Approximately 15 trout and 10...

Principal Investigator: Dewar, David J
Licensed Year(s): 2012
Summary: The Objectives of this research project are to: 1.) gather information in 2012 on the small-bodied and Young of Year fish in Bluefish Lake that may be available for monitoring as well as determine the most suitable methods and locations for their capture in order to finalize the proposed mercury study design, and 2.) complete monitoring between 2013 and 2015 as described in the finalized mercury ...

Principal Investigator: Reinfort, Breanne C
Licensed Year(s): 2012 2011 2010 2009
Summary: The short-term objectives of this research project are to: - bring forward indigenous perspectives on contaminants, contaminant research, and how research is communicated and made accessible to communities; - discuss contaminants issues in the context of their applicability to the daily lives of community members, and in the broader context of local and scientific knowledge of climate variabilit...

Principal Investigator: Stern, Gary
Licensed Year(s): 2012
Summary: The objective of this study is to collect fish from lakes and tributary rivers of lakes under fish (mercury) consumption advisories and compare with older data from government if available (DFO, Environment Canada), and to collect and analyse sediment cores from these lakes to see how lake ecosystem changes relate to fish mercury levels. There are two main methods involved in this work. For fis...

Principal Investigator: Guthrie, Glen H
Licensed Year(s): 2011 2010
Summary: This study will provide current information about the health of some subsistence predatory fish in ten commonly used lakes by residents of the Sahtu Settlement Area (SSA). This investigation may help to identify alternative sources of fish from lakes not impacted to the degree as seen in Kelly Lake. A future, far more thorough study of mercury abundance and bio-magnification trends may also result...

Principal Investigator: Guthrie, Glen H
Licensed Year(s): 2010
Summary: This study will provide baseline data for uranium levels and contribute data to an on-going Department of Fisheries and Oceans (DFO) study that is investigating mercury levels in Fort Good Hope burbot (Loshe). Thirty fish representing three size/age classes will be collected by the Fort Good Hope (FGH) Renewable Resources Council (RRC). The samples will be sent to reputable laboratories that sp...

Principal Investigator: Cote, Jason E
Licensed Year(s): 2010
Summary: The objectives of the field program are to quantify egg deposition by depth on available habitat for fourteen known or suspected representative shallow reefs and for ten representative deep water reefs in Nonacho Lake, also to conduct mercury sampling in Lake Trout from this lake. At each of the known or suspected lake trout spawning reefs, a total of 10 numbered egg nets will be buried in cobb...

Principal Investigator: Evans, Marlene S.
Licensed Year(s): 2010 2009
Summary: For several years, studies have been conducted to find out if contaminant levels are changing in lake trout and burbot in Great Slave Lake. The researchers have been seeing some changes with mercury levels increasing and HCH levels declining in these fish. However, there have been other changes in the fish, especially lake trout which appear to contain less fat and to be feeding closer to shore th...

Principal Investigator: Graydon, Jennifer A
Licensed Year(s): 2010
Summary: The long-term goal of the research program is to quantify the annual mass delivery of total mercury (THg; all forms of mercury in a sample) and methylmercury (MeHg) from the Mackenzie River to the Beaufort Sea. Accurate annual mercury (Hg) fluxes are currently not available from the Mackenzie River and represent a key, unmeasured source of Hg to the Beaufort Sea marine ecosystem. The specific ob...