岩手県沿岸に生息するイトヨの生活史  [in Japanese] Life History Styles of Three-Spined Stickleback, Gasterosteus aculeatus (L.) which Inhabit the Coast of Iwate, Japan  [in Japanese]

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Abstract

The Strontium: Calcium (Sr: Ca) ratio from an otolith section of three-spined stickleback, <I> Gasterosteus aculeatus</I> (L.) was examined in samples taken from the Hei River mouth, and the Gensui district of Otsuchi in the coast of Iwate, Japan. The samples were analyzed using an electron probe X-ray micro analyzer (JEOLJXA 8600) . While the otolith from the Hei River showed a high Sr : Ca ratio, those from the Gensui district showed a low value and little fluctuation. We can conclude from these findings that <I>G. aculeatus</I> (L.) collected from the Hei River is an anadromous type, whilst <I>G. aculeatus</I> (L.) collected from the Gensui district is a fresh water type.

Journal

  • Aquaculture Science

    Aquaculture Science 50(1), 117-118, 2002-03-25

    Japanese Society for Aquaculture Science

References:  7

Cited by:  1

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    NIPPON SUISAN GAKKAISHI 72(5), 924-926, 2006-09-15

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