Table 2 Informative priors (indicating the mean and standard deviation) for the Bayesian isotope incorporation model parameters and for the diet-to-tissue discrimination factors (DTDFs) that were used in isotope mixing models.

1

\(\delta X_{\infty }\)

 − 19, 10

 − 17, 10

10, 10

12, 10

\(\delta X_{0}\)

 − 23, 10

 − 21, 10

9, 10

9, 10

\(\lambda\)

0.1, 5

0.1, 5

0.1, 5

0.1, 5

2

\(\delta X_{\infty }\)

 − 20, 10

 − 18, 10

11, 10

12.5, 10

\(\delta X_{0}\)

 − 23, 10

 − 21, 10

9, 10

9, 10

\(\lambda\)

0.1, 5

0.1, 5

0.1, 5

0.1, 5

3

\(\delta X_{\infty }\)

 − 20, 10

 − 18, 10

9, 10

7, 10

\(\delta X_{0}\)

 − 23, 10

 − 21, 10

9, 10

9, 10

\(\lambda\)

0.1,5

0.1, 5

0.1, 5

0.1, 5

4

\(\delta X_{\infty }\)

 − 21, 10

 − 23, 10

8, 10

7, 10

\(\delta X_{0}\)

 − 23, 10

 − 21, 10

9, 10

9, 10

\(\lambda\)

0.1, 5

0.1, 5

0.1, 5

0.1, 5

1

\(\Delta \overline{X}_{d - t}\)

 − 4, 5

 − 3, 5

0.5, 5

1.5, 5

2

\(\Delta \overline{X}_{d - t}\)

3, 5

5, 5

0.1, 5

0.9, 5

3

\(\Delta \overline{X}_{d - t}\)

3, 5

4, 5

7, 5

6, 5

4

\(\Delta \overline{X}_{d - t}\)

5.5, 5

4.5, 5

8, 5

6, 5