Abstract
AbstractThe dependence of the specific growth rate of Microcystis aeruginosa (KÜTZ); KÜTZ f. aeruginosa upon temperature and light intensity was determined under continuous illumination in batch cultures. The result can be well described by the function:magnified image where μmax = 3.44.d−1, Topt = 33.2°C, Tmin = 18.3°C and KI = 71.4 Wm−2. The validity of this function is limited to the range of 10–28 °C and light intensities from 5–25 Wm−2. The dependence of the specific growth rate on the nutrient concentration was investigated a t 25°C and 24 Wm−2 light intensity by means of chemostat cultures. The half saturation constants related to the maximum specific growth rate of 1.1 d−1 measured under these conditions were 0.44 μmol.I−1, 4.3 μmol.I−1 and 26.5 μmol.−1 for orthophosphate, nitrate, and ammonium, respectively.
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