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Life history and migration of Sakhalin taimen, Hucho perryi, caught from Lake Akkeshi in eastern Hokkaido, Japan, as revealed by Sr:Ca ratios of otoliths

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Title: Life history and migration of Sakhalin taimen, Hucho perryi, caught from Lake Akkeshi in eastern Hokkaido, Japan, as revealed by Sr:Ca ratios of otoliths
Authors: Honda, Kentaro Browse this author
Arai, Takaomi Browse this author
Takahashi, Nobuyuki Browse this author
Miyashita, Kazushi Browse this author →KAKEN DB
Keywords: Hucho perryi
Otolith
Sr:Ca ratios
Anadromous
Brackish water
Issue Date: Nov-2010
Publisher: Springer Japan
Journal Title: Ichthyological Research
Volume: 57
Issue: 4
Start Page: 416
End Page: 421
Publisher DOI: 10.1007/s10228-010-0174-2
Abstract: Microchemical analysis of the strontium (Sr) and calcium (Ca) ratios of otoliths was conducted to determine the life history and migration of anadromous Sakhalin taimen, Hucho perryi. In 2008 and 2009, 10 specimens were sampled from Lake Akkeshi in eastern Hokkaido, Japan. Our results indicated that some specimens migrated to brackish waters during their early life history. Because the Sr:Ca ratios of the specimens in this study were all less than those of specimens from Sakhalin Island during a previous study, specimens of Lake Akkeshi may have migrated to brackish water, or remained in the ocean for only a short period.
Rights: The final publication is available at www.springerlink.com
Type: article (author version)
URI: http://hdl.handle.net/2115/45106
Appears in Collections:北方生物圏フィールド科学センター (Field Science Center for Northern Biosphere) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 宮下 和士

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