Table 2.

Comparison of growth rates in different phytoplanktonic organisms under iron limiting and iron replete conditions in aquil medium (Fe(III)-EDTA source).

Organisms	Growth rate ratio −Fe/+Fe	−Fe/+Fe conditions
Pelagomonas calceolata*	0.92	4.3 nM/232 nM
Emiliana huxleyi*	0.88	3.9 nM/299 nM
Thalassiosira oceanica*	0.70	4.2 nM/303 nM
Prorocentrum minimum*	0.42	4.3 nM/299 nM
Thalassiosira weissflogii*	0.00	4.3 nM/301 nM
Ostreococcus‡
RCC802	0.79	5.4 nM/270 nM
RCC809	0.14	5.4 nM/270 nM
	0.38	27 nM/270 nM
OTTH595	0.00	27 nM/270 nM
	0.40	54 nM/270 nM
RCC789	0.00	54 nM/270 nM

*From ref. 50.

^‡This study.