The phosphorus-limited growth of cultures of the nitrogen-fixing cyanobacteria Aphanizomenon and Anabaena was investigated. In conditions of nutrient and light excess Anabaena has a competitive advantage. The lower the light intensity conditions at which Aphanizomenon populations dominate are indicated for future study.

Anabaena, Aphanizomenon, competition, continuous culture, cyanobacteria, nitrogen fixation, phosphorus-limited growth
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© IWA Publishing 1995
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