These values are twice
the theoretical yield of 15.83 g g1 estimated from the ‘‘Redfield
Ratio’’ often attributed to algal biomass, C106H263O110N16P
(Redfield et al., 1963) and consistent with emerging evidence that
C:N:P ratios are highly variable in algal biomass in response to
genetic and environmental constraints (Geider and Roche, 2002).