Nelumbo - The Bulletin of the Botanical Survey of India

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Algal flora of four hot springs e.g., Tarabela, Taptapani, Atri and Deulajhari and their overflows (temperature range 60-35 °C) of Odisha state was enumerated. A total of 50 species of algae belonging to 35 genera under Cyanophyta (Cyanoprokaryota/Cyanobacteria), Chlorophyta, Charophyta and Heterokontophyta (Bacillariophyceae) were reported. The species rich genera occurred at specific temperature gradients were Pseudanabaena (60-52 °C), Phormidium (45-38 °C), Oscillatoria (42-40 °C) and Navicula (35 °C). Cyanophyta represented by 35 species showing the dominance at higher range of temperature i.e., 60-36 °C, where as 12 diatoms occurred at lower temperature range 45-35 °C along with one Chlorophyta and two Charophyta of genera Chlorella, Spirogyra and Cosmarium respectively. Commonality of species between Atri and Taptapani as well as in Tarabela and Deulajhari is restricted to 2 only. Only one species is common between Taptapani and Deulajhari. But, there is no common organism in all the four hot springs of Odisha state.

Keywords

Algae, Hot Springs, India, Odisha, Temperature Gradients.
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