engleski

A new marine diatom of the genus Cocconeis Ehrenberg growing on "killer seaweed" Caulerpa taxifolia

Epiphytic assemblages growing on thalli of Caulerpa taxifolia collected from Croatian Adriatic Sea (Bay of Stari Grad, Island of Hvar, Middle Adriatic, Croatia), on the coasts of the Mediterranean (Saint Raphaël, west of Cannes, France), and from eastern coast of Australia (Moreton Bay, southeast Queensland) were compared. Great similarity between sites results from the dominance of a small, previously unknown Cocconeis species which we are going to describe as a new for science. Description will be based on both light and electron microsope observations. Study of the physiology of this new species is justified since it is able to colonize Caulerpa taxifolia in such great abundance ; the host plant is known to be lethal to other organisms. It seems that despite its notorious reputation and the common name "killer seaweed" Caulerpa taxifolia is a suitable host for epiphytic diatoms.

marine diatom; Cocconeis; Caulerpa taxifolia

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