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Cynthia D. Trowbridge, William F. Farnham

Spatial variation in littoral Codium assemblages on Jersey, Channel Islands (southern English Channel)

Keywords: Codium fragile ssp. tomentosoides, Codium vermilara, Jersey, zonation

Littoral surveys on Jersey shores in the Channel Islands (southern English Channel) revealed unexpected spatial variation in local-scale distributions of green macroalgae belonging to Codium species. Traditionally considered a low-shore alga, native C. vermilara inhabited high and/or mid-shore pools at nine of ten shores surveyed. This alga was frequent on semi-exposed shores. The introduced taxon C. fragile ssp. tomentosoides was patchily distributed with highest abundances in wave-sheltered areas. Zonation patterns of Codium spp. on Channel Island shores were more complex than those north of the English Channel.

Botanica Marina, Walter de Gruyter

Print ISSN: 0006-8055
Volume: 47, 12/2004
Pages: 501 - 503

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