δ¹³C (‰)

δ¹⁸O (‰)

δ¹⁵N (‰)

Canada (Can)

Mean

SD

−24.01

0.22

24.50

1.18

4.72

0.69

Australia (Aus)

Mean

SD

−23.44

0.45

30.43

1.38

3.50

2.33

Turkey (Tur)

Mean

SD

−24.87

0.49

29.97

1.25

2.42

1.41

North Italy (NI)

Mean

SD

−26.25

0.14

24.91

1.12

1.22

0.45

Centre Italy (CI)

Mean

SD

−26.00

0.53

28.66

1.05

2.38

0.46

South Italy (SI)

Mean

SD

−24.58

0.53

29.38

1.84

4.57

1.13