Abstract
The vanadium, manganese, and nickel contents of nine species of Antarctic tunicates were determined by atomic absorption spectroscopy. The Antarctic species Distaplia cylindrica contained significantly more vanadium (1,445 ppm dry weight) than the other Antarctic tunicates investigated. Antarctic Ascidia sp. was also shown to accumulate considerable amounts of vanadium (567 ppm). Low levels of bioaccumulated manganese (<50 ppm) and nickel (<15 ppm) were observed in all tunicates examined.
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Acknowledgments
We are indebted to a number of colleagues for collecting specimens including K. Koplovitz, M. Amsler, A. Maschek, C. Aumack, P. Bucolo, and J. Zamzow. We would like to acknowledge the staff of Raytheon Polar Services Company and the Antarctic Support Services of the National Science Foundation for their logistical support. This research was facilitated by funding from the Office of Polar Programs of the National Science Foundation (OPP-0442769 and ANT-0838773 to CDA and JBM, OPP-0442857 and ANT-0838776 to B.J.B).
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Lebar, M.D., Luttenton, L., McClintock, J.B. et al. Accumulation of vanadium, manganese, and nickel in Antarctic tunicates. Polar Biol 34, 587–590 (2011). https://doi.org/10.1007/s00300-010-0902-0
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DOI: https://doi.org/10.1007/s00300-010-0902-0