Occurrence of the blue green alga Aphanocapsa littoralis Hansg. var. macrococca Hansg. causing colouration of the sand and its relation with the tides

Noble, A (1960) Occurrence of the blue green alga Aphanocapsa littoralis Hansg. var. macrococca Hansg. causing colouration of the sand and its relation with the tides. Journal of the Marine Biological Association of India, 3 (1 & 2). pp. 262-263.

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Abstract

Though there are many reports, from various parts of the world, about organisms inhabiting intertidal sands causing colouration and the tidal rhythm of the causative organisms, little attention seems to have been paid to these in India. Dixit (1936) reported the occurrence of Aphanocapsa littoralis var. macrococca on the Chowpathy sea-shore in Bombay but no information has been given about its relation with the tide. Recently, Ganapati, Rao and Rao (1959) reported the tidal rhythms of some diatoms and dinoflagellates inhabiting the intertidal sands of the Visakhapatnam Beach. The present note is based on the occurrence of a blue-green alga causing a green colouration of the sand at Karwar Beach in the North Kanara Coast.

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