Figure 2

Acclimated growth rates (A -C) and size distributions (D) of Ditylum brightwellii. Growth conditions: A) 110 μmol photons m^-2 s^-1; 16:8 L:D; B) 115 μmol photons m^-2 s^-1; 24 hour light; C) 60 μmol photons m^-2 s^-1; 24 hour light. For acclimated clones, the mean growth rate ± standard error is provided. UA denotes clones unable to acclimate and the associated error bars indicate the range in growth rates. D) Boxplot parameters for the distributions of cell width (μm): bar = median; box = 1^st and 3^rd quartiles; whiskers = 10^th and 90^th percentiles; filled circles = outliers. N = 120 cells per clone. In all panels, white regions represent population 1 clones and grey regions represent population 2 clones.