マナマコの呼吸樹での換水運動の測定

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書誌事項

タイトル別名
  • Measurement of Ventilation in the Respiratory Tree of the Japanese Common Sea Cucumber, Apostichopus japonicus.
  • マナマコ ノ コキュウジュ デ ノ カンスイウンドウ ノ ソクテイ

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抄録

The ventilation in the respiratory tree of the Japanese common sea cucumber, Apostichopus japonicus, was examined under normoxic condition at 16.0±0.1°C using newly developed equipment which continuously measured the ventilation volume. One cycle of ventilation was composed of a large exhalation and several small inhalations. The duration of exhalation per cycle was 10.6±1.3 sec/cycle, the exhalation volume per cycle (Vcy, ex) was 95.5±20.0 ml/cycle/kg, the exhalation frequency per min was 0.7±0.1 stroke/min and the exhalation volume per min was 67.5±18.8 ml/min/kg. The period of inhalation per cycle (Tin) was 79.5±26.3 sec/cycle, the inhalation volume per cycle (Vcy, in) was 95.8±26.4 ml/cycle/kg, the inhalation frequency per the cycle (If) was 10.3±2.9 stroke/cycle, the inhalation volume per stroke of inhalation was 9.8±1.8 ml/stroke/ kg, and the duration of inhalation per the stroke was 7.8±1.6 sec/stroke. The relationship between Vcy, in and Vcy, ex was Vcy, ex=0.27 Vcy, in+69 [R2=0.12] or Vcy, in=0.48 Vcy, ex+53 [R2=0.13] . The relationships between If and Tin, and If and Vcy, in were Tin=8.2 If-4.3 [R2=0.84] and Vcy, in=7.0 If-27 [R2=0.61], respectively.

収録刊行物

  • 水産増殖

    水産増殖 50 (2), 183-188, 2002

    日本水産増殖学会

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