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Algae: Nitrogen Fixation by Antarctic Species |
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| Authors: | Holm-Hansen O |
| Abstract: | Algae from terrestrial and fresh-water habitats in Antarctica were examined for ability to fix atmospheric nitrogen. Nostoc commune was the only species capable of growing in nitrogen-free medium; nitrogen fixation by this species was verified by assimilation of N(15). The importance of nitrogen-fixing algae to terrestrial life in the Antarctic is discussed. |
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