Table 1.
Vertical averaged physicochemical characteristics of the sampling sites. Fp: trophic index. NOx = (NO3− + NO2−). See methods for a detailed explanation of its calculation. Data are expressed as average ± standard deviation and [maximum–minimum] of the water column.
| Coast (0–50 m) |
Jet (0–200 m) |
Gyre (0–400 m) |
|
|---|---|---|---|
| Trophic index (Fp) | 0.77 ± 0.07 [0.9–0.63] | 0.073 ± 0.095 [0.28–0.01] | 0.13 ± 0.14 [0.44–0] |
| Temperature (°C) | 16.31 ± 1.17 [14.08–17.74] | 16.56 ± 2.18 [13.33–20.75] | 18.75 ± 4.16 [13.37–23.27] |
| Salinity | 37.06 ± 0.33 [36.56–37.77] | 36.69 ± 0.75 [36.22–38.27] | 37.11±0.79[36.43–38.5] |
| NOx (μM) | 2.78 ± 1.79 [6.1–0.3] | 2.94 ± 2.32 [7.83–0.17] | 2.74 ± 3.52 [9.89–0.05] |
| PO43− (μM) | 0.22 ± 0.11 [0.34–0.01] | 0.35 ± 0.43 [2.42–0] | 0.16 ± 0.16 [0.45–0] |
| SiO4 (μM) | 2.99 ± 1.39 [7.9–1.4] | 2.68 ± 1.97 [9.39–0.62] | 2.27 ± 2.26 [7.02–0.15] |
| NOx/PO43− | 17.8 ± 16.2 [56.8–1.69] | 10.71 ± 7.57 [24.96–1.02] | 25.51 ± 39.45 [175–0.6] |
| SiO4/NOx | 1.76 ± 1.57 [7.18–0.72] | 2.3 ± 3.7 [16.80–0.45] | 3.99 ± 6.94 [37.7–0.43] |