54 record(s) found with the tag "fish" (multi-year projects are grouped):
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NATCL Cantung 2017 EEM Program
Principal Investigator: Carson, Richard J
Licenced Year(s): 2017 2015
Summary: The objectives are to evaluate if there are differences in biological parameters among study sites and between years at the Tungsten Mine site; as well as to determine whether observed differences from the most recent (2015) Environmental Effects Monitoring study are still present and whether any differences are the result of mining practices. The study objectives are to evaluate fish health, ...


Paulatuk Whitefish Assessment
Principal Investigator: Ruben, Diane
Licenced Year(s): 2017 2016
Summary: The objectives of the research are to conduct an assessment of whitefish diet and contaminants. Two technicians will collect approximately 60 samples over 7 days at Billy’s Creek in July 2017 and an additional 60 samples at the Hornaday River in August 2017, collecting data on: species, location, date/time, catch effort/gear type, length, weight, sex, maturity, otolith, stomach content (frozen)...


Spatial and long-term trends in persistent organic contaminants and metals in fish from the Northwest Territories
Principal Investigator: Evans, Marlene S
Licenced Year(s): 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004
Summary: The objectives of this project are to: 1) continue to investigate trends in mercury, metals and persistent organic contaminants (POCs) in lake trout harvested from two locations (West Basin near Hay River, East Arm at Lutsel K’e) and burbot harvested from one location (West Basin at Fort Resolution) in Great Slave Lake in 2017 to further extend the long-term (1993-2015: POCs, 1993-2016 mercury a...


Metals levels in large bodied fishes near impacted lakes near Yellowknife, NWT
Principal Investigator: Somers, Gila L
Licenced Year(s): 2017 2016
Summary: The objectives of this project are to collect fish tissue samples from species of subsistence importance to: 1) establish a long-term community monitoring program for contaminants in fish; and 2) monitor potential spatial and temporal trends in metal concentrations (including mercury) in fish tissues within the Yellowknife region. The data acquired will be added to existing and concurrently collec...


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...


Understanding Community Based Monitoring Exceedances Through Site Assessments
Principal Investigator: McGeer, Jim
Licenced Year(s): 2016
Summary: The objectives of this project are to apply short term sublethal exposures to contaminants of concern with locally collected small bodied fish to establish measures of the relative bioavailability and effect in the Slave River. This information will then be applied to the Community Based Monitoring (CBM) program data to assess exceedances in a more comprehensive manner. Small fish (for exampl...


Monitoring of mercury, flame retardants and other chemicals in lake trout and cisco from Great Bear Lake
Principal Investigator: Evans, Marlene S
Licenced Year(s): 2016 2015 2014 2013
Summary: This study is designed to find out whether contaminant levels are changing in fish (lake trout and cisco) in Great Bear Lake. The research team require fall-caught fish for this study. Twenty whole lake trout and 20 whole cisco of a range of sizes are required from Great Bear Lake. The fish will be frozen immediately after capture and shipped to Environment and Climate Change Canada (ECCC)-Sask...


Updating data on mercury levels in food fish species in lakes used by Deh Cho communities
Principal Investigator: Low, George
Licenced Year(s): 2016 2015 2014 2012 2011
Summary: The objectives of this project are: 1) to determine through which lakes are important as food sources in four Dehcho communities and which fish species are used for human food from these lakes; 2) to train community monitors to collect fish and other samples according to Environment Canada and Department of Fisheries and Oceans protocol; 3) to involve local school children in the studies by ...


Tracing the Origin of Mercury Contamination in the Lakes and Fish of the Jean Marie River First Nation Lands
Principal Investigator: Laurent, Cyrielle C
Licenced Year(s): 2015
Summary: The short term objectives for this project are to: - Assess permafrost as a possible origin of mercury contamination; - Measure mercury content in permafrost samples; - Engage the community to exchange traditional and scientific knowledge to better understand relationships between country food, water quality, and permafrost degradation from a contamination perspective; and - Use traditional la...


Contaminant Biomonitoring in the Dehcho Region: A Pilot Investigation of the Links Between Contaminant Exposure, Nutritional Status, and Country Food Use
Principal Investigator: Laird, Brian D
Licenced Year(s): 2017 2016 2015 2014
Summary: The overall objective of this research is to promote country foods in the Dehcho Region in a way that balances contaminant risks and nutrient benefits in order to maximize nutrient status while minimizing mercury exposure. The research team will work towards this objective through the implementation of pilot research that will: 1) develop a locally-relevant dietary survey, 2) evaluate the dietary ...


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