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Originally Posted by Curare
However in the case of cyanobacteria, it's nitrogen fixing so that no matter how much co2 you add, if you have no N for the plants to utilise, the cyanabacteria will bloom on the remaining unused nutrients.
Curare
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No, the species of Oscillitoria we have does NOT fix N2 gas, it simply does not have too. There is plenty of NO3/NH4 around relative to their size and biomass. Plants need far more NO3/NH4 than BGA's.
I addressed this on the APD several years ago(4?) and elsewhere since.
Speculations and inaccurate use of references leads to myths.
Regards,
Tom Barr