Table 2.
Mean carbon and nitrogen isotopic values across hair sections of Apennine brown bears according to gender and dietary season (Abruzzo Lazio and Molise National Park, central Italy, 2013–2014).
| Season | Sex | δ13C (‰) | δ15N (‰) | No of bears | No of hair sections | ||
|---|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | ||||
| Spring | F | − 22.0 | 0.8 | 2.9 | 1.2 | 14 | 45 |
| M | − 22.0 | 0.7 | 3.5 | 0.8 | 5 | 9 | |
| Early summer | F | − 22.1 | 0.7 | 3.6 | 1.1 | 13 | 40 |
| M | − 22.4 | 0.6 | 3.8 | 0.9 | 11 | 21 | |
| Late summer | F | − 22.1 | 0.8 | 3.2 | 1.8 | 16 | 33 |
| M | − 22.6 | 0.6 | 3.5 | 1.9 | 8 | 22 | |
| Autumn | F | − 22.0 | 0.6 | 1.7 | 2.3 | 6 | 14 |
| M | − 22.4 | 0.7 | 2.7 | 2.4 | 6 | 12 | |