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Studies on Elemental Fingerprints in Otolith of Fish(PDF)

Chinese Journal of Applied & Environmental Biology[ISSN:1006-687X/CN:51-1482/Q]

Issue:
2007 Vol.13 No.2
Page:
278-283
Research Field:
Reviews
Publishing date:

Info

Title:
Studies on Elemental Fingerprints in Otolith of Fish
Author(s):
FU Zidonget al.
(Key Laboratory of Bioresources and Ecoenvironment of Ministry of Education, College of Life Sciences, Sichuan University, Chengdu 610065, China)
Keywords:
Keywords fish otolith elemental fingerprints research development
CLC:
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PACS:
DOI:
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DocumentCode:

Abstract:
Abstract Otolith is a concretion in inner ear of teleostean and its main component is carbonate. Various chemical elements in water are absorbed into fish with different modes during life history of fish, and after a series metabolism the elements are stably deposited on otoliths. There are some differences in the components or contents of otolith elements of fish in the regions with different chemical environments. Elemental fingerprints in otolith might record the environmental condition and its varieties that fishes experience during their life process, and could be used as natural tags. The analysis of elemental fingerprints usually includes the measurement of isotope, Sr/Ca ratio and some trace elements in otolith, which have been used to discriminate different populations, study life history, reconstruct the environmental condition and determinate the age of some long life species. The analyses of elemental fingerprints in otolith will be broadly applied in fish ecology and fishery resource studies in the future. Ref 57

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Last Update: 2007-04-24