Table 2 Mann–Whitney U-test (bottom/left) and Kruskal–Wallis test (top/right) for n-alkane compound δ13C.
n | Mean ± StDeva | C29 | C31 | C33 | |
|---|---|---|---|---|---|
All C29 | 16 | −30.9 ± 1.6 | – | 0.227 | 0.001 |
All C31 | 15 | −30.2 ± 2.4 | 0.235 | – | 0.003 |
All C33 | 14 | −28.8 ± 1.7 | 0.001 | 0.003 | – |
Pleistocene C29 | 7 | −31.6 ± 0.8 | – | 0.718 | 0.004 |
Pleistocene C31 | 6 | −31.7 ± 0.6 | 0.772 | – | 0.004 |
Pleistocene C33 | 6 | −30.0 ± 0.4 | 0.005 | 0.005 | – |
Holocene C29 | 9 | −30.3 ± 1.9 | – | 0.250 | 0.043 |
Holocene C31 | 9 | −29.3 ± 2.7 | 0.268 | – | 0.083 |
Holocene C33 | 8 | −27.8 ± 1.6 | 0.005 | 0.092 | – |