Abstract
Cadmium, copper, iron, and zinc levels were measured in the kidneys of 115 grey wolves (Canis lupus) from Idaho, Montana and Alaska (United States), and from the Northwest Territories (Canada). No significant differences in the levels of iron or copper were observed between locations, but wolf kidneys from more northern locations had significantly higher cadmium levels (Alaska > Northwest Territories > Montana ≈ Idaho), and wolves from Alaska showed significantly higher zinc than other locations. Additionally, female wolves in Alaska had higher iron levels than males, and adult wolves in Montana had higher copper levels than subadults.
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Acknowledgments
The authors thank the University of Wisconsin-Madison Environmental Chemistry and Technology Program for the use of the ICP-OES and C. Honegger for coordinating the storage of the kidneys at Illinois Wesleyan University. This work was funded in part by an Artistic and Scholarly Development grant from Illinois Wesleyan University awarded to S.R. Hoffmann.
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Hoffmann, S.R., Blunck, S.A., Petersen, K.N. et al. Cadmium, Copper, Iron, and Zinc Concentrations in Kidneys of Grey Wolves, Canis lupus, from Alaska, Idaho, Montana (USA) and the Northwest Territories (Canada). Bull Environ Contam Toxicol 85, 481–485 (2010). https://doi.org/10.1007/s00128-010-0126-6
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DOI: https://doi.org/10.1007/s00128-010-0126-6