Abstract
The algal and cyanobacterial flora and the chemical environment of six freshwater streams of Schirmacher Oasis, Antarctica were investigated. Over 30 species of algae, predominantly cyanobacteria (Cyanophyceae), were recorded. N2-fixing species, both heterocystous and unicellular diazotrophs, contributed more than 50% to 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 meltwater streams contained a distinctive community. Based on diversity indices, these streams could be classified into two clusters.
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Pandey, K.D., Kashyap, A.K. & Gupta, R.K. Nutrient status, algal and cyanobacterial flora of six fresh water streams of Schirmacher Oasis, Antarctica. Hydrobiologia 299, 83–91 (1995). https://doi.org/10.1007/BF00016888
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DOI: https://doi.org/10.1007/BF00016888