Table 5 Results of univariate LMMs for δ¹³C and δ¹⁵N on niche differentiation between R. rattus and R. norvegicus

−23.42 ± 0.49

47.70

<0.001

0.34 ± 0.43

0.78

0.433

0.71

0.39

0.62 ± 0.24

2.64

0.008

0.71 ± 0.29

2.43

0.015

7.92 ^c

0.019 ^c

8.58 ± 0.83

10.25

<0.001

−1.60 ± 0.36

4.45

<0.001

21.16

<0.001

0.05 ± 0.20

0.26

0.796

0.13 ± 0.24

0.54

0.585

0.31

0.85