59 record(s) found with the tag "mercury" (multi-year projects are grouped):
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Monitoring of mercury, flame retardants and other chemicals in lake trout and cisco from Great Bear Lake
Principal Investigator: Evans, Marlene S.
Licensed Year(s): 2022 2021
Summary: This licence has been issued for the scientific research application No.5359. This study is designed to find out whether contaminant levels are changing in fish (lake trout and cisco) in Great Bear Lake. Of particular interest is mercury. It complements ongoing fish population studies being conducted by the Department of Fisheries and Oceans on Great Bear Lake and contributes to Deline's resear...


Nutrient and contaminant status in the wetlands of the Slave River Delta
Principal Investigator: Doig, Lorne
Licensed Year(s): 2022
Summary: This licence has been issued for the scientific research application No.5337. The objective is to answer key questions: 1. From the outer SRD (river-water dominated) to the apex of the SRD (runoff dominated), what is the current status of nutrients and contaminants in SRD wetland ecosystems? 2. How do trace elements (e.g., mercury) move through SRD wetland food webs? 3. How does water source...


Spatial and long-term trends in persistent organic contaminants and metals in fish from the Northwest Territories
Principal Investigator: Evans, Marlene S.
Licensed Year(s): 2023 2022 2017 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005
Summary: This licence has been issued for the scientific research application No.5350. The purpose of this study is to continue to investigate whether contaminant (mercury, other metals, persistent organic contaminants) levels are changing in fish in the Northwest Territories with a focus on Great Slave Lake. The research team plan to arrange collections of lake trout from the Hay River area and Lutsel ...


Contaminants (PAHs, mercury) in the Mackenzie River and fish health assessments: implementation of classic and new molecular screening tools for environmental monitoring and stressor assessment
Principal Investigator: Evans, Marlene S.
Licensed Year(s): 2022 2021
Summary: This licence has been issued for the scientific research application No.5333. This study will determine the concentrations of Polycyclic Aromatic Hydrocarbons (PAHs) in small-bodied fish in the Norman Wells/Imperial area near nature oil seeps and industrial activities with comparisons to be made with upstream (Tulita area) and downstream (Fort Good Hope) areas. The research team will also asses...


Permafrost slumping and land-water connections on the Peel Plateau
Principal Investigator: Tank, Suzanne E
Licensed Year(s): 2024 2023 2022 2021
Summary: This licence has been issued for the scientific research application No.5249. The objective of this research is to understand how permafrost slumping increases the mobilization of carbon, nutrients, and toxins (mercury) from land to water, and the effects of this transport on stream ecosystems and the global carbon cycle. Over the next several years, the research team plan to measure stream che...


Temporal trend studies of trace metals and halogenated organic contaminants (HOCs), including new and emerging persistent compounds, in Mackenzie River burbot, Fort Good Hope, NWT.
Principal Investigator: Stern, Gary
Licensed Year(s): 2022 2021
Summary: This licence has been issued for the scientific research application No.5111. The short-term goals are to determine if 2020, 2021 and 2022 burbot contaminant concentrations: a) remain below Health Canada guidelines (i.e. <0.5 ppm mercury per gram fish). The research team will provide annual data to NWT Heath and Social Services for evaluation; b) are associated with dietary indicators, i.e. sta...


Sanguez Lake Fish Down Study
Principal Investigator: Low, Mike
Licensed Year(s): 2021 2019 2018 2017
Summary: This licence has been issued for the scientific research application No.4844. The objectives of this study are to: 1) establish a population estimate of walleye in Sanguez Lake; 2) establish an additional estimate of fish mercury concentrations in walleye and pike. In 2013, mean mercury concentration in walleye was 0.71 mg/kg wet weight, and in pike was 1.09 mg/kg wet weight; 3) reduce the n...


Northern Contaminents Program Passive Air Sampling Network
Principal Investigator: Hung, Hayley
Licensed Year(s): 2020
Summary: This licence has been issued for the scientific research application No.4494. The goal of the passive sampling network is to expand the number of sampling locations to get a more comprehensive understanding of the level of persistent organic pollutants (POPs) and mercury entering the region, where the pollutants are coming from and how they are changing over time. To provide spatially-distribut...


Taltson Twin Gorges Hydro Generating Facility Aquatic Effects Monitoring Program (AEMP) 2019
Principal Investigator: Miller, Matthew
Licensed Year(s): 2019
Summary: This licence has been issued for the scientific research application No.4565. The objective of this project is to conduct Aquatic Effects Monitoring. This will include three parts: 1) Riparian Habitat and Fish Usage Assessment. This is a study to monitor the trends and fluctuations of the aquatic environment along the riparian zones within the Taltson River from Nonacho Lake to Twin Gorges ...


Temporal trend studies of trace metals and halogenated organic contaminants (HOCs), including new and emerging persistent compounds, in Mackenzie River burbot, Fort Good Hope, NWT.
Principal Investigator: Stern, Gary
Licensed Year(s): 2019
Summary: The short-term goals are to determine if 2019 burbot contaminant concentrations: 1) remain below Health Canada guidelines (i.e. <0.5 ppm mercury per gram fish); 2) are associated with dietary indicators to determine the influence of diet (via stable isotope ratios) on contaminant concentrations in current fish, although previous results suggested no association; and, 3) as well as to look for link...


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