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Ecological and taxonomic observations on sub aerial epilithic algae from princess elizabeth land and macrobertson land antarctica



Ecological and taxonomic observations on sub aerial epilithic algae from princess elizabeth land and macrobertson land antarctica



British Phycological Journal 16(3): 257-266



Subaerial epilithic algae were encountered for the 1st time at locations in Princess Elizabeth Land and Mac.Robertson Land, Antarctica. The flora was predominantly of cyanophytes, particularly from the genera Chroococcidiopsis, Gloeocapsa, Myxosarcina and Calothrix with frequently associated oscillatoriacean algae. The black to dark-brown epilithic growths developed where thin films of water percolated over rock surfaces for a sufficiently prolonged period during the summer. They were only found where late-lying snow drifts persisted during the summer and in areas which were not affected by salt spray. Most of these growths were on lee-slopes protected from the prevailing winds.

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Accession: 005209698

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