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The Attempted Clearance of Sargassum muticum from Britain

Published online by Cambridge University Press:  24 August 2009

P. W. G. Gray  and
E. B. Gareth Jones
P. W. G. Gray
Affiliation:
The Marine Laboratory, Department of Biological Sciences, Portsmouth Polytechnic, Ferry Road, Hayling Island, Hampshire, England.
E. B. Gareth Jones
Affiliation:
Department of Biological Sciences, Portsmouth Polytechnic, King Henry I Street, Portsmouth, Hampshire, England.
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Extract

The Brown Alga Sargassum muticum, a native of Japan but also introduced into the Pacific waters of North America, was first found on the Isle of Wight off southern England in 1973, and has subsequently spread as far west as Plymouth. A large attached population is also present on the Channel coast of France. Marine biologists in England, fearful of its possible effect on indigenous marine organisms and recreational amenities, set up an eradication programme. This was largely unsuccessful, even though an estimated 450 tonnes of wet S. muticum were collected in one year (1976).

Some of the possible vectors of dispersal of this Alga are discussed, especially in relation to movement of oysters and shipping. It is thought that the spread of S. muticum will continue along the coast and that it may well extend deeper into the sublittoral than appears to be the case at present.

A research programme on the ecology and biology of S. muticum, as well as on possible means of control, is continuing.

Type
Main Papers
Information
Environmental Conservation , Volume 4 , Issue 4 , Winter 1977 , pp. 303 - 308
Copyright
Copyright © Foundation for Environmental Conservation 1977

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