Journal of National Fisheries University

PISSN : 0370-9361

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Journal of National Fisheries University Volume 61 Issue 1
published_at 2012-09

Effects of Water Temperature Rise on Ventilation in the Black-lip Pearl Oyster Pinctada margaritifera

クロチョウガイの鰓換水に及ぼす水温上昇の影響
Odawara Kazusi
Sone Ken-ichi
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Descriptions
Effects of water temperature on ventilation was examined in the black-lip pearl oyster Pinctada margaritifera. The water temperature rose at a rate of 3℃ per hour from 20℃ on June and of 2℃ per hour from 27℃ on July. Ventilation volume was increased with rising temperature from 20℃ (June) and 27℃ (July) to 29℃. However, the ventilation volume at 27℃ on July was the same as that at 20℃ on June. From the results, the temperature compensation pattern is supposed to be Precht type 2 (Complete response) and Prosser type II (Translation).
Creator Keywords
black-lip pearl oyster
season
temperature compensation
ventilation