Influence of Hypoxic Water on Early Growth of the Ark Shell Scapharca kagoshimensis in Mikawa Bay, Japan

The influence of hypoxic water on the early growth rate of the ark shell Scapharca kagoshimensis was examined at six stations, representing different hypoxic environments, in Mikawa Bay. New recruits of S. kagoshimensis appeared from late August to early October at each station. However, the growth...

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Published inFisheries engineering (Japan)/Suisan Kogaku (Japan) Vol. 48; no. 2; pp. 109 - 116
Main Authors KANEKO, Kenji, HASHIGUCHI, Seiho, MIYAMUKAI, Tomoki, IMAO, Kazumasa, WAKU, Mitsuyasu, ISHIDA, Motoo, SUZUKI, Teruaki
Format Journal Article
LanguageJapanese
Published The Japanese Society of Fisheries Engineering 15.11.2011
Subjects
ark shell, Scapharca kagoshimensis
growth rate
hypoxic water
Marine
Mikawa Bay
Scapharca kagoshimensis
INW, Japan, Honshu, Aichi Prefecture, Mikawa Bay
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Summary:The influence of hypoxic water on the early growth rate of the ark shell Scapharca kagoshimensis was examined at six stations, representing different hypoxic environments, in Mikawa Bay. New recruits of S. kagoshimensis appeared from late August to early October at each station. However, the growth rates thereafter differed among the stations; the maximum difference in growth rates among stations was fivefold. The growth rates were closely related to dissolved-oxygen saturation, so it is probable that hypoxic water strongly reduces the early growth rate of S. kagoshimensis in Mikawa Bay.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:0916-7617
2189-7131
DOI:10.18903/fisheng.48.2_109