What does Crocosphaera do?
Crocosphaera watsonii are unicellular nitrogen fixers that fix atmospheric nitrogen to ammonia during the night and contribute to new nitrogen in the oceans. They are a major source of nitrogen to open-ocean systems. How large is Crocosphaera? Crocosphaera-like cells were identified as unicellular cyanobacteria between 2 and 5 μm in diameter and by phycoerythrin fluorescence….