Contaminant Biomonitoring in the Northwest Territories Mackenzie Valley: Investigating the Links Between Contaminant Exposure, Nutritional Status, and Country Food Use

Over the past three years, we have completed contaminant biomonitoring in the Dehcho and Sahtu Regions of the Northwest Territories (NT). Nine communities (Jean Marie River, Kakisa, Fort Providence, Katlodeeche, West Point First Nation, Deline, Trout Lake, Tulita, and Fort Good Hope) in the territory have participated to date. Sample and data collection during the biomonitoring clinics held in each participating community includes four components: (1) biological sampling for human blood, hair, and urine; (2) a food survey evaluating the types of country foods eaten in the previous year; (3) a second food survey evaluating the foods eaten by participants the previous day; and (4) a health communication survey investigating participants awareness and perception of contaminant issues. In total, 537 individuals (ranging in age from 6 to 88 years) took part in the project, altogether providing 443 hair samples, 198 urine samples, and 276 whole blood and plasma samples. The levels of contaminants and nutrient biomarkers are measured in the hair, blood, and urine samples in laboratories in Ontario and Québec. Thereafter, the results were returned to individuals and communities who took part in the project. This work is helping to characterize those most at risk of facing elevated contaminant exposures in the Northwest Territories. Collectively, this work is complementing ongoing, co-located environmental contaminant monitoring research in Canada's subarctic.

Metadata Access
Creator Laird, Brian; Ratelle, Mylene; Bouchard, Michele; Boyd, Amanda; Furgal, Chris; Hanning, Rhona; Low, George; Majowicz, Shannon; Simmons, Deborah; Skinner, Kelly; Swanson, Heidi
Publisher Canadian Cryospheric Information Network
Contributor Polar Data Catalogue
Publication Year 2019
Rights Research programs, CCIN, or ArcticNet take no liability for the use or transmission of this data
OpenAccess true
Contact brian.laird(at); pdc(at)
Language English
Format Computer file
Discipline Environmental Research
Spatial Coverage (-123.420W, 60.800S, -115.730E, 65.190N)
Temporal Coverage Begin 2015-04-01T00:00:00Z
Temporal Coverage End 2019-03-30T00:00:00Z