Movement and Transportation of Manila Clam, Ruditapes philippinarum, in Maizuru Bay.
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概要
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Marked and released <I>Ruditapes philippinarum</I> showed little horizontal and vertical movements and settled within 3 m distance of the release points. Shells of dead clams were also observed on and in the sand within 3 m distance of the release points. These findings indicate limited movement or transportation of the clam in Maizuru Bay.<BR>For that reason, the mechanism of distribution of the clam in differrent depths according to the developmental stage, as pointed out in the previous paper, can not be explained by the movement and/or transportation of the clam. The posibility that phenomenon may be related to reduction by predation is discused.
- 日本水産増殖学会の論文
日本水産増殖学会 | 論文
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