期刊
ENVIRONMENTAL BIOLOGY OF FISHES
卷 89, 期 3-4, 页码 427-432出版社
SPRINGER
DOI: 10.1007/s10641-010-9660-7
关键词
Otolith chemistry; Bromine; Synchrotron-based x-ray fluorescence; Cod
Bromine was found to accumulate in otoliths of Norwegian coastal Cod Gadus morhua that were reared under known conditions. Despite the fact that the Cod were moved from one rearing environment to another, causing marked changes in some otolith elemental concentrations, bromine appeared to accumulate continuously along certain growth axes as revealed by 2-D elemental mapping. In contrast, North Sea and Baltic Sea Cod showed little to no patterning in Br. We suggest that Br uptake in otoliths may be under physiological and genetic control, and as such, may prove useful as a stock identification tool.
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