Trophic structure and mercury transfer in the subarctic fish community of Great Slave Lake, Northwest Territories, Canada

In recent decades, mercury concentrations have increased in fish of Great Slave Lake (GSL), a subarctic great lake in northern Canada with important recreational, subsistence, and commercial fisheries. This study characterized habitat use and trophic position of common fish species in GSL near the C...

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Bibliographic Details
Published in:Journal of Great Lakes Research
Main Authors: Rohonczy, J. (Jillian), Cott, P.A. (Peter A.), Benwell, A. (Amanda), Forbes, M. (Mark), Robinson, S.A. (Stacey A.), Rosabal, M. (Maikel), Amyot, M. (Marc), Chételat, J. (John)
Format: Article in Journal/Newspaper
Language:English
Published: 2019
Subjects:
Arctic
Food web
Foraging behaviour
Great lake
Mercury
Stable isotopes
Canada
Great Slave Lake
Northwest Territories
Yellowknife
Subarctic
Online Access:https://ir.library.carleton.ca/pub/26055
https://doi.org/10.1016/j.jglr.2019.12.009
Description
Summary:In recent decades, mercury concentrations have increased in fish of Great Slave Lake (GSL), a subarctic great lake in northern Canada with important recreational, subsistence, and commercial fisheries. This study characterized habitat use and trophic position of common fish species in GSL near the City of Yellowknife (Northwest Territories, Canada), measured mercury concentrations in water and in taxa from lower trophic levels of the food web, and examined trophic and biological influences on mercury con

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