Table 1. System parameters used in the chemostat experiments.

Parameter	Description	Carbon-limited chemostats	Light-limited chemostats	Units
D	Dilution rate	0.011	0.011	h−1
Iin	Incident irradiance	50	25	μmol photons m−2 s−1
zm	Mixing depth	0.05	0.05	m
Kbg	Background turbiditya	8 to 12.5	4 to 9	m−1
T	Temperature	21.5	21.5	°C
a	Gas flow rate	25	25	l h−1
γ	Constant of proportionality for gas influxa	1.4 × 10−4 to 2.0 × 10−4	1.4 × 10−4 to 2.0 × 10−4	l−1
pCO2	Partial pressure of CO2 in gas inflow	200	1000 to 1250	p.p.m.
[CO2]in	Concentration of dissolved CO2 at influx	8	29	μmol l−1
[CARB]in	Summed concentration of bicarbonate and carbonate at influx	500	2000	μmol l−1
ALKin	Alkalinity at influx	0.80	2.1	mEq l−1

^aBackground turbidity and the constant of proportionality for gas influx had different values for different chemostat vessels.