Table 1 Inter-correlation among environmental predictors quantified using Spearman’s Rho for correlations among numeric predictors, with r - values > 0.6 indicating high inter-correlation among predictors

1

−0.66

1

−0.23

0.42

1

0.93

−0.62

−0.41

1

0.41

−0.48

−0.78

0.55

1

−0.91

0.76

0.15

−0.77

−0.33

1

−0.22

0.22

0.29

−0.28

−0.40

0.14

1

−0.14

0.24

0.35

−0.21

−0.43

0.1

0.81

1

0.22

−0.14

0.41

0.03

−0.24

−0.35

0.16

0.13

1