Diversity of Cyanophyceae in the Mirik Lake of Darjeeling Himalaya, India

The present investigation was carried out for two years from October, 2010 to September, 2012 to study the Cyanophycean diversity in Mirik Lake of Darjeeling Himalaya, West Bengal, India. During the whole study period a total of eleven genera of Cyanophyceae were recorded, of which Spirulina sp. , Arthrospira sp. and Anacystis sp. were found to be most frequent. The density varied from 33 to 1844/ml and the highest diversity was recorded at the point where waste water entering into the lake mainly from the market area.