カジメＥｃｋｌｏｎｉａ　ｃａｖａ胞子体の生長に及ぼす連続暗条件の影響

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書誌事項

タイトル別名
  • Effect of Continuous Dark Condition on the Growth of the Ecklonia cava Sporophyte
  • カジメ Ecklonia cava ホウシタイ ノ セイチョウ ニ オヨボス レンゾク アンジョウケン ノ エイキョウ

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説明

The growth pattern of the Ecklonia cava sporophyte under continuous dark and subsequent natural light regime was investigated. All sporophytes (n=8) survived during the 13- and 26-day continuous dark condition. During the 70-day continuous dark condition, one sporophyte died on the 70th day and another sporophyte died on the 99th day. In each experimental condition, the primary blade lengths decrease during the continuous dark condition; however, they regrow in the subsequent natural light condition. This growth pattern was also observed for intercalary growth; the growth rates that were below 0.15 mm/day in the dark condition were found to be high in the natural light condition. Based on these results, although the growth of the E. cava sporophytes suppressed in the continuous dark condition, the sporophytes survived for approximately 1 month in this condition.

収録刊行物

  • 水産増殖

    水産増殖 55 (1), 23-27, 2007

    日本水産増殖学会

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