Table 1.

Minidiscus spp. cell counts and relative contribution to abundance and biomass

Date (DEWEX Leg2)	Stations number	Latitude °North	Longitude °East	Minidiscus trioculatus (cells L⁻¹)	% Minidiscus contribution to total diatom abundance	% Minidiscus trioculatus contribution to POC	% Minidiscus trioculatus contribution to BSi
05/04/13	1	42.91	6.12	0	0	—	0
06/04/13	6	42.05	6.00	15 250	52.1	—	0.2
07/04/13	9	42.03	4.80	76 453	81.9	1.2	2.1
07/04/13	13	42.31	3.51	0	0	—	0
08/04/13	19	42.02	4.72	557 645	98.6	10.8	9.5
09/04/13	22	40.95	4.51	454 725	95.1	3.8	6.0
10/04/13	25	40.26	4.19	2 711	96.4	0.0	0.5
10/04/13	28	41.19	3.89	162 228	84.5	—	5.4
11/04/13	31	41.81	3.62	1 025 696	98.4	6.4	14.6
11/04/13	37	42.00	5.00	268 172	98.8	1.6	3.7
12/04/13	42	42.88	7.40	0	0	—	0
13/04/13	45	43.63	7.39	0	0	0	0
13/04/13	48	43.42	7.87	0	0	0	0
14/04/13	51	42.81	8.53	0	0	0	0
15/04/13	55	41.71	8.46	0	0	—	0
16/04/13	61	42.03	6.00	1 300	100	0	0
17/04/13	67	40.82	7.91	0	0	—	0
18/04/13	71	40.38	7.16	0	0	0	0
18/04/13	73	40.08	6.37	0	0	0	0
19/04/13	74	41.98	5.02	5 819 040	99.0	18.3	99.4
19/04/13	78	41.12	5.63	0	0	0	0
21/04/13	81	40.40	6.15	174 368	98.0	1.2	19.6
22/04/13	83	40.33	6.06	425 316	99.1	3.6	18.9
22/04/13	84	40.29	6.02	91 554	84.3	0.6	5.1
22/04/13	85	40.24	5.95	274 234	98.2	2.3	13.6
22/04/13	87	40.17	5.87	0	0	0	0
22/04/13	88	40.56	5.96	5 746	98.8	0.1	4.7
22/04/13	89	40.44	5.97	0	0	0	0
23/04/13	91	40.30	5.97	33 212	87.5	0.3	3.6
23/04/13	95	40.22	5.33	0	0	0	0
24/04/13	98	40.01	4.42	0	0	0	0
24/04/13	99	41.98	5.02	4 307 310	99.4	26.4	36

Contribution to total diatom abundance, particulate organic carbon (POC) and biogenic silica (BSi) stocks during leg 2 of DeWeX