Periodicity in fish otolith Sr,Na, and K corresponds with visual banding |
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| Authors: | H Seyama J S Edmonds M J Moran Y Shibata M Soma M Morita |
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| Institution: | 1. National Institute for Environmental Studies, 16-2 Onogawa, 305, Tsukuba, Ibaraki, (Japan)
2. Western Australian Marine Research Laboratories, P. O. Box 20, North Beach, W. A., 6020, (Australia)
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| Abstract: | Examination of a section of an otolith from a teleost fish by fast atom bombardment-secondary ion mass spectrometry (FAB-SIMS) revealed seasonal periodicity in Sr, Na, and K concentrations that corresponded with visually observed annual banding. Strontium maxima also corresponded with Na and K minima and vice versa. In addition there was a general, apparently age-related, trend in Sr levels, with concentrations at the edge of the otolith being higher than in the core. |
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