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Comparatively speaking Antarctic land is almost lifeless, the Antarctic seas are among the most productive seas in the
world. The interior of the continent is too hostile to sustain biological life, but a variety of life abounds its edges and
adjacent waters. The species of the Polar regions are a few but the numbers of each are many. The present study was made
with reference to algal floral diversity in the Shirmacher Oasis (SO) of the Antarctica. Thirty species of algae were recorded,
predominantly belonging to blue-green algae (Cyanophyceae). Nitrogen fixing species both heterocystous and unicellular
diazotrophs, contributed more than 50% of the counts and their dominance was greatest in the middle of the stream where
nitrogen and other nutrients were low. Green algae and diatoms also contributed to the flora. The species composition varied
between streams. Glacial and snow drift melt water species contained a distinctive community. Based on the diversity indices,
these streams were classified into clusters.
Biography
Rajan Kumar Gupta has worked on Ecophysiology of Antarctic Cyanobacteria for his Ph.D degree with Late Prof. A.K. Kashyap of Centre of Advanced Study in
Botany, Banaras Hindu University, Varanasi. For the past twenty years he has been working on various aspects of Antarctic microflora. He was deputed by Govt. of
India for his participation as Biological Scientist in Antarctica twice. He has participated in XI and XIV Indian Scientific Expeditions to Antarctica during 1991-92 and
1994-95. He has visited several countries like Mauritius, Japan, Nepal, Thailand, South Africa and Belgium, Singapore, Sri Lanka etc. for presentation of his work
on different aspects of algae. He has worked on various aspects of cyanobacteria, i.e., morphology, ecology and nitrogen fixation, biotechnological applications
and published more than 108 technical papers in various national and overseas journals and 7 reference (research) books entitled �??Glimpses of Cyanobacteria�?�,
�??Advances in Applied Phycology�?�, �??Soil Microflora�?�, �??Microbial Biotechnology and Ecology Vol-1 Vol-2�?�, �??Diversity: An Overview�?� and �??Diversity of Lower Plants�?�. He
is a recipient of Research Award from University Grants Commission, New Delhi. He is member of number of organizations in India and abroad. He is the Fellow of
the Society for Environment and Ecoplanning and International Botanical Society and chaired various sessions in the conferences in India and abroad. Presently,
he is teaching Microbiology and Biotechnology in Department of Botany, Dr. P.D.B.H. Govt. P.G. College, Kotdwar (Pauri), Uttarakhand, India.
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