Table 1. Sample names, sampling descriptions and contextual data.

Sample Name	Sampling Location	Sampling Date	Latitude	Longitude	Sampling Depth (meters)	Temperature (°C)	Salinity (PSU)
MHB Station 7	Massachusetts	2006-02-16	41.64	−71.23	0.4	4.42	27.07
PAL 1	Antarctica	2008-01-05	−63.97	−64.406	11	0.97	33.73
PAL 2	Antarctica	2008-01-05	−63.97	−64.406	100	−0.09	34.26
PAL 3	Antarctica	2008-01-12	−64.937	−66.86	13	0.56	33.90
PAL 4	Antarctica	2008-01-12	−64.937	−66.86	99	−1.00	34.04
PAL 5	Antarctica	2008-01-22	−67.907	−69.62	12	0.92	33.83
PAL 6	Antarctica	2008-01-22	−67.907	−69.62	125	1.21	34.44
PAL 7	Antarctica	2008-01-27	−66.45	−73.03	15	0.58	33.80
PAL 8	Antarctica	2008-01-27	−66.45	−73.03	100	−1.02	34.03