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An account of common crustose coralline algae (Corallinales, Rhodophyta) from macrophyte communities at Rottnest Island, Western Australia

Sim, C. and Townsend, R.A.ORCID: 0000-0003-0417-2208 (1999) An account of common crustose coralline algae (Corallinales, Rhodophyta) from macrophyte communities at Rottnest Island, Western Australia. In: Walker, D.I. and Wells, F.E., (eds.) The Seagrass Flora and Fauna of Rottnest Island, Western Australia. Western Australian Museum, Perth, Western Australia, pp. 395-408.

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Meaningful interpretation of ecological experimentation can only be made after knowledge of the floral composition of an area is known. Crustose coralline algae have a reputation among phycologists as being a difficult group of organisms to identify to species level. Crustose coralline algae (Corallinales, Rhodophyta) cover the substratum in most macrophyte communities; their ecology is poorly understood. The aim of this work was to develop a species list and generic key for crustose coralline algae found in macrophyte communities around Rottnest Island, Western Australia. Eleven species belonging to seven genera were identified from limestone substrata in kelp and mixed macroalgal communities. A key to the common genera of crustose coralline algae found in these communities is also provided. The key, aimed at ecologists with limited knowledge of coralline taxonomy and anatomy, uses gross external and easily recognisable internal characters. The crustose coralline algal flora of Rottnest Island is a mixture of Indo-West Pacific and southern temperate species. Species such as Hydrolithon onkodes which has an extensive tropical and subtropical range were found at most sites sampled.

Item Type: Book Chapter
Murdoch Affiliation: School of Biological Sciences and Biotechnology
Publisher: Western Australian Museum
Copyright: © Western Australian Museum
Notes: Proceedings of the Ninth International Marine Biological Workshop, held at Rottnest Island, Western Australia, January 1996
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