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Lugworm mortalities and a bloom of Gyrodinium aureolum Hulburt in the eastern Irish Sea, Autumn 1971

Published online by Cambridge University Press:  11 May 2009

M. M. Helm ,
B. T. Hepper ,
B. E. Spencer  and
P. R. Walne
M. M. Helm
Affiliation:
Ministry of Agriculture, Fisheries and Food Fisheries Experiment Station, Conway, Gwynedd
B. T. Hepper
Affiliation:
Ministry of Agriculture, Fisheries and Food Fisheries Experiment Station, Conway, Gwynedd
B. E. Spencer
Affiliation:
Ministry of Agriculture, Fisheries and Food Fisheries Experiment Station, Conway, Gwynedd
P. R. Walne
Affiliation:
Ministry of Agriculture, Fisheries and Food Fisheries Experiment Station, Conway, Gwynedd
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Extract

A bloom of the dinoflagellate Gyrodinium aureolum Hulburt in the eastern Irish Sea during September and October 1971 was accompanied by unusual mortalities of Arenicola marina L. and Echinocardium cordatunt Pennant. Observations in the field and laboratory suggest that the mortalities may not have been directly related to the occurrence of Gyrodinium but could have been a consequence of unusual climatic conditions which resulted in oxygen depletion in benthic substrates. The decomposition of the bloom possibly aggravated the situation.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 54 , Issue 4 , November 1974 , pp. 857 - 869
Copyright
Copyright © Marine Biological Association of the United Kingdom 1974

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References

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