Ionic and acid-base consequences of exposure to increased salinity in the zebra mussel, Dreissena polymorpha.

From: The Biological Bulletin | Date: August 1, 2006| Author: Byrne, R.A.; Dietz, T.H. | Copyright information

Dreissena polymorpha, an invasive freshwater bivalve, displays physiological characteristics that reflect its ancestry in brackish water, yet it has limited ability to withstand modest increases in salinity. We examined changes in hemolymph ion concentrations and acid-base variables in mussels transferred to and incubated in 10% artificial seawater (ASW) for 7 days and then returned to pondwater (PW) for a further 7 days. Hemolymph was sampled (10 animals per sample period) every 4 h for th...

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