Salinity Tolerance of the Brackish Water Bivalve, Corbicula japonica Prime.
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概要
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The brackish water bivalve, <I>Corbicula japonica</I>, was found to tolerate exposure to salinities ranging from 0 to 35 psu at 15°C. Gradual exposure to different salinities resulted in equilibration of the body fluid with the external medium, indicating that this species is a euryhaline osmoconformer.<BR>Salinities ranging from 1.5 to 22 psu were not lethal for <I>C. japonica</I> acclimated to either 10°C or 25°C. At a high salinity of 32 psu, bivalves survived a longer period of time after acclimation to low temperature as compared to high temperature. In addition, adults were more tolerant of concentrated media than juveniles.
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