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Some aspects of the physiology of Arenicola marina (Polychaeta) exposed to fluctuating salinities

Published online by Cambridge University Press:  11 May 2009

Sandra E. Shumway  and
John Davenport
Sandra E. Shumway
Affiliation:
N.E.R.C. Unit of Marine Invertebrate Biology, Marine Science Laboratories, Menai Bridge, Gwynedd, U.K.
John Davenport
Affiliation:
N.E.R.C. Unit of Marine Invertebrate Biology, Marine Science Laboratories, Menai Bridge, Gwynedd, U.K.
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Extract

Arenicola marina (L.) is one of the most common members of the outer estuarine sandy and muddy shores. A moderately euryhaline osmoconformer, this polychaete cannot survive in water of less than about 10‰ constant salinity and then only in the Baltic; however, in the outer portions of estuaries, it is not uncommon for the overlying water to be practically fresh at some stages of the tide. Wells (1949b) postulated that parts of the complex burrowing behaviour of the animal prevents irrigation of the burrow with noxious water, but the advantages to the lugworm of its periodic inactivity have never been fully investigated.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 57 , Issue 4 , November 1977 , pp. 907 - 924
Copyright
Copyright © Marine Biological Association of the United Kingdom 1977

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