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Application of laser ablation ICPMS to trace the environmental history of chum salmon Oncorhynchus keta.

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Title: Application of laser ablation ICPMS to trace the environmental history of chum salmon Oncorhynchus keta.
Authors: Arai, Takaomi Browse this author
Hirata, Takafumi Browse this author
Takagi, Yasuaki Browse this author →KAKEN DB
Keywords: Oncorhynchus keta
Otolith microchemistry
Trace element
Laser ablation technique
Migration
Issue Date: Feb-2007
Publisher: Elsevier
Journal Title: Marine Environmental Research
Volume: 63
Issue: 1
Start Page: 55
End Page: 66
Publisher DOI: 10.1016/j.marenvres.2006.06.003
PMID: 16904739
Abstract: Trace element levels in otoliths of chum salmon Oncorhynchus keta were examined by means of laser ablation inductively coupled plasma mass spectrometry (LA-ICPMS). A close linear relationship in the Sr:Ca ratios between EPMA (X-ray analysis with an electron microprobe) and LA-ICPMS analyses was found (p < 0.0001), suggesting that the latter technique could be used to separate the marine and freshwater life phases. Mg:Ca, Cr:Ca, Zn:Ca and Ba:Ca ratios in either the core region or the oceanic growth zone of the otoliths varied among sites. These differences suggest that elemental compositions may reflect environmental variability among spawning (breeding) or habitat sites. Thus, those element ratios demonstrate the potential to be used to distinguish between fish spawning (breeding) sites and habitats for this species of salmon.
Relation: http://www.sciencedirect.com/science/journal/01411136
Type: article (author version)
URI: http://hdl.handle.net/2115/18886
Appears in Collections:水産科学院・水産科学研究院 (Graduate School of Fisheries Sciences / Faculty of Fisheries Sciences) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 都木 靖彰

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