舞鶴湾におけるアサリの移動

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書誌事項

タイトル別名
  • Movement and Transportation of Manila Clam, Ruditapes philippinarum, in Maizuru Bay.
  • マイズルワン ニ オケル アサリ ノ イドウ

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抄録

Marked and released Ruditapes philippinarum 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.

収録刊行物

  • 水産増殖

    水産増殖 44 (3), 261-265, 1996

    日本水産増殖学会

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