Table 1.
Summary of sampling sites, diatom read numbers and environmental parameters.
| Sampling | Reads | Environmental parameters | ||||||
|---|---|---|---|---|---|---|---|---|
| Site | Coordinates | Date | Depth (m) | rDNA | rRNA | Temperature (°C) | Salinity | Chl a (μg L−1) |
| Blanes | 41°40′N, 02°48′E | 09/02/2010 | Subsurface (1) | 440 | 3294 | 12.5 | 37.6 | 0.7 |
| Sediment (20) | 126 | 2554 | 12.6 | 37.8 | — | |||
| Gijón | 43°40′N, 5°35′W | 14/09/2010 | Subsurface (1) | 76 | 45 | 20.2 | 35.7 | 0.6 |
| Naples | 40°48′N, 14°15′E | 13/10/2009 | Subsurface (1) | 8985 | 29667 | 22.8 | 37.7 | 1.7 |
| DCM (26) | 7300 | 18388 | 19.2 | 37.9 | 1.5 | |||
| Sediment (78) | 5484 | 5524 | 14.6 | 37.9 | — | |||
| 14/05/2010 | Subsurface (1) | 276 | 91 | 19.2 | 37.2 | 1.1 | ||
| DCM (34) | 305 | 326 | 15.5 | 37.7 | 1 | |||
| Sediment (78) | 1587 | 879 | 14 | 37.9 | — | |||
| Oslo | 59°16′N, 10°43′E | 22/09/2009 | Subsurface (1) | 7023 | 8046 | 15.5 | 25.2 | 2.5 |
| DCM (20) | 2212 | 6179 | 16.1 | 29.2 | 1.1 | |||
| Sediment (103) | 1904 | 1074 | 8.2 | 35 | — | |||
| Sediment (24) | 2057 | 1451 | 16.2 | 29.7 | — | |||
| 22/06/2010 | Subsurface (1) | 3105 | 888 | 15 | 21.5 | 1.1 | ||
| DCM (10) | 5433 | 4056 | 11.9 | 29.5 | 1.9 | |||
| Sediment (103) | 3596 | 975 | 6 | 35 | — | |||
| Roscoff | 48°46′N, 3°57′W | 20/04/2010 | Subsurface (1) | 1746 | 3815 | 9.9 | 34.9 | 0.2 |
| Sediment (60) | 264 | 795 | 9.9 | 34.9 | — | |||
| Varna | 43°10′N, 28°50′E | 27/05/2010 | Subsurface (3) | 1292 | 358 | 18 | 16.5 | 5.2 |
| DCM (40) | 665 | 443 | 8.7 | 17.9 | 6.1 | |||
| Sediment (386) | 3 | 311 | 8.8 | 21.8 | — | |||