With the purpose of assessing the influence of light
and phosphorous (PO4–P) on the germination and
growth of spores, three levels of light intensity (20, 40
and 90 μEm−2 s−1) and three levels of PO4–P (6.4 μmol
l−1; 2 μmol l−1; 0.8 μmol l−1) were combined, while
NH4–N and salinity were kept constant in all treatments
(32 μmol l− 1 and 35 psu, respectively).