Abstract
An entire bed of the blue mussel Mytilus edulis, consisting of 5,000 individuals/m2, died during June, 1971 in the effluent canal of a steam generating plant when the temperature increased above 27°C. Similarly, the population in the intake canal disappeared when temperatures rose above 27°C in August. Laboratory studies showed that M. edulis could not tolerate continuous temperatures above 27°C, and feeding stopped shortly after the mussels were exposed to 25°C. Histopathological studies indicated that the cause of death of this bivalve was associated with degeneration of the frontal and laterofrontal cilia of the columnar epithelium of the gill filaments. In conjuction with this, there was necrosis and sloughing of the epithelium of the intestinal diverticula. Extensive amoebocytic infiltration was noted in the byssogenous cavity, gill filaments and stomach wall.
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Communicated by O. Kinne, Hamburg
This paper represents part of a dissertation by the first author, submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy, University of Rhode Island, January 1973.
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Gonzalez, J.G., Yevich, P. Responses of an estuarine population of the blue mussel Mytilus edulis to heated water from a steam generating plant. Marine Biology 34, 177–189 (1976). https://doi.org/10.1007/BF00390760
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DOI: https://doi.org/10.1007/BF00390760