Table S2.

Extracted fatty acids and carbon weight

Core	Depth, cm	Dry weight, g	C14, µg	C16, µg	C18, µg	C16:1, µg	C18:1, µg	C18:2, µg	C18:3, µg	Saturated fatty acids, µg	Unsaturated fatty acids, µg	Total fatty acids, µg
	Eastern Ross Sea
NBP99- 02
TC04	3–7	15.0	1.9	14.8	17.7	4.6	4.5	3.7	2.0	34.4	14.8	49.2
NBP99- 02
TC07	0–3	14.2	3.2	13.2	6.9	5.5	5.2	2.0	0.0	23.3	12.6	35.9
	3–6	20.1	1.1	4.3	2.0	1.2	0.0	1.1	0.0	7.4	2.3	9.7
	50–53	34.0	0.0	20.5	3.5	2.0	4.6	28.9	11.4	24.0	46.8	70.8
NBP99-02
TC11	3–8	39.6	3.0	15.7	10.5	5.5	1.2	1.5	6.6	29.2	14.8	44.0
	30–33	65.4	0.8	4.6	3.5	1.6	0.3	1.3	1.2	8.8	4.4	13.2
	Western Ross Sea
NBP94- 01
TC17	0–3	15.5	2.2	32.7	7.7	10.1	0.0	10.4	2.9	46.0	23.3	69.3
	3–5	11.1	2.9	11.2	2.7	5.1	0.0	4.1	0.0	16.7	9.2	25.9
	32–35	12.8	4.7	22.4	10.0	14.9	13.6	2.6	3.5	37.2	34.6	71.8
	35–38	13.3	4.7	27.5	15.6	15.8	14.3	7.0	7.7	47.8	44.9	92.7
NBP94-01
TC31	0–5	13.8	2.7	17.2	8.0	6.7	0.5	2.1	6.2	27.8	15.4	43.2
	25–28	21.2	1.8	8.9	5.5	3.0	0.5	1.0	1.8	16.1	6.3	22.4
	55–60	41.2	6.2	24.2	8.3	7.6	0.0	4.8	6.6	38.6	19.0