Table 3.

Significance levels derived by linear modelling for impact of POC, O₂, nitrate, Hex-Fuco and Hex-kFuco on sulfur compounds. Hex-kFuco, 19′-hexanoyloxy-4-ketofucoxanthin; n.d., not determined.

sulfur compound	POC	O2	nitrate	Hex-Fuco	Hex-kFuco
DMS(P)t	p < 1.03 × 10−8	p < 0.0177	n.d.	p < 1.00 × 10−7	n.d.
DMSPp	p < 5.92 × 10−12	p < 0.00294	n.d.	p < 3.74 × 10−6	n.d.
DMS(P)d	p < 0.000231	n.d.	p < 0.000131	n.d.	p < 0.000751