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. 2017 May 22;12(5):e0177867. doi: 10.1371/journal.pone.0177867

Table 3. Summary of human and animal isotopic data.

Adults include samples from individuals over 25 years old. Children include two bone samples from individuals under 25 years old. SD: Standard deviation.

Species Sample number (n) δ13C(‰) δ15N(‰)
Average SD (2σ) Range Average SD (2σ) Range
All human 16 -18.8 0.8 -19.5--16.3 10.0 1.0 7.5–11.3
Children 2 -18.9 0.3 -19.1--18.5 11.1 0.1 11.1–11.3
Adult 14 -18.8 0.8 -19.5--16.3 9.8 0.9 7.5–11.1
Sheep/goats 10 -19.1 5.3 -23.03--9.63 4.9 1.5 3.0–7.28
Cattle 10 -17.4 4.5 -23.55--11.17 4.7 0.8 3.43–6.22
Dog 4 -18.3 2.4 -20.52--14.8 7.8 0.5 7.35–8.39
Pig 13 -19.9 1.7 -22.73--15.85 6.6 1.8 3.58–8.84
Old World Monkey 2 -18.8 0.1 -18.87--18.79 9.3 1.8 8.01–10.56
Wild herbivore (Muntjac and Deer) 19 -22.5 1.4 -25.87--19.92 5.2 0.7 4.07–6.96