Table 2. Bottlenose dolphin and their main prey isotopic values used in the Bayesian mixing model.
Group summary statistics are provided in groups where various species are included. n: number of samples, sd: standard deviation.
| δ13C | δ15N | ||||||
|---|---|---|---|---|---|---|---|
| Species | n | mean ± sd | min | max | mean ± sd | min | max |
| Bottlenose dolphins | 51 | -16.13 ± 0.57 | -17.55 | -15.30 | 14.30 ± 0.76 | 12.80 | 15.94 |
| Group 1 | 52 | -16.41 ± 0.45 | -17.37 | -15.55 | 14.45 ± 0.81 | 12.60 | 15.92 |
| Diplodus annularis | 31 | -16.58 ± 0.42 | -17.37 | -15.56 | 14.43 ± 0.85 | 12.60 | 15.92 |
| Diplodus bellottii | 9 | -16.42 ± 0.22 | -16.73 | -16.05 | 15.14 ± 0.20 | 14.74 | 15.37 |
| Plectorhinchus mediterraneus | 2 | -16.64 ± 0.23 | -16.80 | -16.47 | 15.00 ± 0.04 | 14.97 | 15.02 |
| Pagellus erythrinus | 10 | -15.84 ± 0.25 | -16.38 | -15.55 | 13.79 ± 0.50 | 13.24 | 14.73 |
| Group 2 | 120 | -18.07 ± 0.67 | -19.64 | -16.56 | 10.69 ± 0.96 | 8.36 | 13.21 |
| Merluccius merluccius | 31 | -18.23 ± 0.66 | -19.44 | -16.56 | 10.86 ± 0.89 | 9.66 | 13.21 |
| Scomber colias | 20 | -18.41 ± 0.43 | -19.25 | -17.63 | 10.99 ± 0.45 | 10.30 | 11.74 |
| Scomber scombrus | 10 | -18.26 ± 0.18 | -18.47 | -18.02 | 11.13 ± 0.57 | 10.31 | 12.04 |
| Cepola macrophthalma | 9 | -17.53 ± 0.27 | -18.02 | -17.17 | 10.05 ± 0.40 | 9.50 | 10.69 |
| Conger conger | 10 | -17.26 ± 0.18 | -17.56 | -17.00 | 10.91 ± 0.33 | 10.15 | 11.32 |
| Sardina pilchardus | 40 | -18.04 ± 0.77 | -19.64 | -16.99 | 10.38 ± 1.27 | 8.36 | 13.07 |
| Group 3 | |||||||
| Octopus vulgaris | 11 | -16.10 ± 0.73 | -16.96 | -14.36 | 11.49 ± 0.98 | 10.02 | 13.14 |
| Group 4 | |||||||
| Liza ramada | 5 | -20.77 ± 4.58 | -27.15 | -15.28 | 15.21 ± 0.71 | 14.00 | 15.79 |