Table 1.
Ratio of medians of organic carbon (OC), total nitrogen (TN), their atomic ratio, isotopic signatures, carbonate contents (CaCO3) and median particle size (D50) in the upper (U) and the lower (L) sections of sediments in the 1st and the 2nd basins of the Mar Piccolo. Significant differences in bold (Mann–Whitney test at p = 0.05)
| Ratio | OC | δ13C | TN | δ15N | OC/TN | CaCO3 | D(50) |
|---|---|---|---|---|---|---|---|
| U/L | 2.06 | 0.99 | 1.51 | 0.83 | 1.38 | 1.11 | 1.31 |
| U 1st /L 1st | 1.57 | 1.01 | 1.12 | 0.80 | 1.42 | 1.01 | 1.19 |
| U 2nd /L 2nd | 2.49 | 0.93 | 2.68 | 0.94 | 1.04 | 1.01 | 0.92 |
| U 1st/U 2nd | 1.12 | 1.06 | 0.66 | 0.83 | 1.58 | 1.28 | 2.14 |
| L 1st/L 2nd | 1.78 | 0.97 | 1.57 | 0.98 | 1.15 | 1.28 | 1.66 |