Hair and bone as predictors of tissular mercury concentration in the western Alaska red fox, Vulpes vulpes

The Science of the Total Environment
B H DainowskiP Jones

Abstract

We evaluated if total mercury (THg) concentrations of keratin-based and bone-based tissues can predict THg concentrations in skeletal muscle, renal medulla, renal cortex, and liver. The THg concentration in matched tissues of 65 red foxes, Vulpes vulpes, from western Alaska was determined. Hair THg concentration had a significant positive correlation with liver, renal medulla, renal cortex, and muscle. The THg concentration for males and females is moderately predictive of THg concentration in the renal cortex and liver for these foxes based on R(2) values (R(2)=0.61 and 0.63, respectively). Bone is weakly predictive of THg concentration in muscle (R(2)=0.40), but not a reliable tissue to predict THg concentration in liver (R(2)=0.24), renal cortex (R(2)=0.35), or renal medulla (R(2)=0.25). These results confirm the potential use of trapped animals, specifically foxes, as useful Arctic sentinel species to inform researchers about patterns in THg levels over time as industrialization of the Arctic continues.

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Dec 10, 2016·Archives of Environmental Contamination and Toxicology·Felipe HernándezSamantha M Wisely
Apr 20, 2020·Biological Trace Element Research·Reza Dahmardeh Behrooz, Giulia Poma
Oct 27, 2018·Scientifica·Lawrence DuffyMary van Muelken
Jan 27, 2021·Environmental Pollution·Sarah H PetersonMark P Herzog

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