Abstract
Growth marks in calcareous shells or skeleton parts of benthic invertebrates are often assumed to be formed annually and hence are used for ageing purposes. For some Antarctic species this assumption has been validated by tagging experiments or direct monitoring of growth throughout the year. Here we use the record of stable isotope ratios (δ18O and δ13C) deposited in shell carbonate of Laternula elliptica from King George Island to demonstrate that shell growth bands are formed annually in this species.
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Received: 16 July 1995 / Accepted: 27 October 1996
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Brey, T., Mackensen, A. Stable isotopes prove shell growth bands in the Antarctic bivalve Laternula elliptica to be formed annually. Polar Biol 17, 465–468 (1997). https://doi.org/10.1007/s003000050143
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DOI: https://doi.org/10.1007/s003000050143