Fig. 2 (IMAGE)

CNRS

Fig. 2

Caption

Left: Phytoplankton (nitrogen-fixing Trichodesmium cyanobacteria) bloom in the south-west Pacific. (© G. Roudaut)

Right: Micrograph of Trichodesmium, which traps molecular nitrogen (N2) using the iron abundantly available in its environment. (© S. Bonnet)

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© G. Roudaut © S. Bonnet

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