Table 1.

Characteristics of soil samples from Robinsons Ridge, East Antarctica (select metals reported here, full analysis in Supplementary information S2)

Sample ID	pH	EC	CEC	TOC	N	Cu	Cd	Ni	Pb	Zn
	-	µS cm−1	meq 100 g−1	%	mg kg−1
169129	5.8	22.7	0.71	< 0.1	280	14	< 0.4	5.1	< 5	21
169131	6.2	30.1	1.60	0.4	790	16	< 0.4	5.5	< 5	28
169133	6.3	22.1	2.00	1.4	2500	29	< 0.4	8.4	< 5	40
169136	6.7	53.1	2.20	0.6	590	19	< 0.4	7.4	< 5	42
169137	6.5	35.7	0.94	< 0.1	280	19	< 0.4	6.4	< 5	39
Composite soil	6.3	33.0	1.10	0.5	820	18	< 0.4	6.7	< 5	33