Table 1.

System parameters applied in the experiments

Parameter	Description	Value	Units
D	Dilution rate	0.125	d–1
z max	Mixing depth	0.05	m
T	Temperature	20	°C
I in	Incident light intensity	50	µmol photons m–2 s–1
K bg	Background turbiditya	7−11	m–1
DICin	DIC concentration at influxb	0.5 and 2.0	mmol l–1
ALKin	Alkalinity at influxb	0.79 and 2.29	mEq l–1
sal	Salinityb	1.23 and 1.36	g l–1
pCO2	CO2 concentration in gas flowb	100 and 2000	ppm
a	Gas flow rate	25	l h–1
v	Gas transfer velocityb	0.24 and 0.68	m h–1

^aBackground turbidity varied among the chemostat vessels.

^bThe first value refers to the low pCO₂ experiments and the second value to the high pCO₂ experiments.