FRESHWATER ALGAE FROM YUKIDORI ZAWA, NEAR SYOWA STATION, ANTARCTICA
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概要
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The present paper deals with the freshwater algal flora of Yukidori Zawa near Syowa Station in Antarctica. The samples examined were collected by Dr. M. OHNO in January 1975. Fifty-eight taxa of the freshwater algae are identified. It is found out that the blue-green algae species amount to about 70 per cent of the whole. The desmid species are rather common in the samples examined. One new species of Cosmarium yukidoriense and three new varieties of Cosmarium clepsydra are described. The sexual reproduction of an unidentified Oedogonium sp. is recorded.