Figure 2

Cultures of T. weissflogii P09 and C. cryptica CCMP 331 under two-stage nutrient regime. (A) Growth curves during the first (from day 0 to day 6) and second (from day 6 to day 11) stage of growth for Thalassiosira weissflogii . Gray lines indicate nutrient consumption under replete conditions; (B) growth curves during the first (from day 0 to day 8) and second (from day 8 to day 14) stage of growth for C. cryptica. Gray lines indicate nutrient consumption under replete conditions; (C) growth curve and nutrient consumption under depleted conditions (second stage of growth) for Thalassiosira weissflogii P09; (D) growth curve and nutrient consumption under depleted conditions (second stage of growth) for C. cryptica.