Effect of Low pH on Carbohydrate Production by a Marine Planktonic Diatom (Chaetoceros muelleri)
Figure 1
Effect of medium pH on photosynthesis and carbohydrate metabolism in
Chaetoceros muelleri. Samples taken after 5 days growth in batch culture.
(a) Maximum quantum efficiency of photosystem II ().
(b) Total, cell and dissolved extracellular carbohydrate concentrations.
(c) Cell-associated carbohydrates. (d) Proportion of carbohydrates in the
dissolved extracellular and cell storage pools. (e) Extracellular carbohydrate
pools. (f) Concentration of transparent exopolymer particles (TEP).
Bars show mean + standard deviation ( replicate cultures).