Table 3.
Species diversity experiment | Genetic diversity experiment | ||||||
---|---|---|---|---|---|---|---|
df | χ 2 | P | df | χ 2 | P | ||
β-Diversity (βsor) | |||||||
Species diversity | 1 | 0.29 | 0.59 | Genetic diversity | 1 | 14.67 | < 0.001 |
Season (S) | 1 | 51.73 | < 0.001 | Season (S) | 1 | 38.66 | < 0.001 |
Year (Y) | 1 | 0.65 | 0.42 | Year (Y) | 1 | 2.08 | 0.15 |
Area | 2 | 1.06 | 0.59 | S:Y | 1 | 4.73 | 0.029 |
Species turnover (βsim) | |||||||
Species diversity | 1 | 0.03 | 0.85 | Genetic diversity | 1 | 6.33 | 0.012 |
Season (S) | 1 | 28.97 | < 0.001 | Season (S) | 1 | 31.40 | < 0.001 |
Year (Y) | 1 | 37.88 | < 0.001 | Year (Y) | 1 | 22.39 | < 0.001 |
Area | 2 | 0.23 | 0.89 | S:Y | 1 | 8.63 | 0.003 |
S:Y | 1 | 5.20 | 0.023 | ||||
Species nestedness (βnes) | |||||||
Species diversity | 1 | 0.07 | 0.79 | Genetic diversity | 1 | 0.07 | 0.80 |
Season (S) | 1 | 0.43 | 0.51 | Season (S) | 1 | 3.67 | 0.055 |
Year (Y) | 1 | 76.58 | < 0.001 | Year (Y) | 1 | 32.66 | < 0.001 |
Area | 2 | 1.68 | 0.43 | S:Y | 1 | 4.71 | 0.03 |
S:Y | 1 | 4.21 | 0.04 | ||||
Abundance-based assemblage dissimilarity (βbray) | |||||||
Species diversity | 1 | 0.003 | 0.96 | Genetic diversity | 1 | 8.33 | 0.004 |
Season (S) | 1 | 7.45 | 0.006 | Season (S) | 1 | 0.058 | 0.81 |
Year (Y) | 1 | 14.96 | < 0.001 | Year (Y) | 1 | 15.14 | < 0.001 |
Area | 2 | 1.18 | 0.55 | S:Y | 1 | 6.62 | 0.010 |
Balanced variation in abundance (βbal) | |||||||
Species diversity | 1 | 0.13 | 0.71 | Genetic diversity | 1 | 3.30 | 0.069 |
Season (S) | 1 | 15.43 | < 0.001 | Season (S) | 1 | 7.40 | 0.007 |
Year (Y) | 1 | 104.63 | < 0.001 | Year (Y) | 1 | 62.52 | < 0.001 |
Area | 2 | 0.13 | 0.94 | ||||
Abundance gradients (βgra) | |||||||
Species diversity | 1 | 0.33 | 0.56 | Genetic diversity | 1 | 0.005 | 0.94 |
Season (S) | 1 | 8.25 | 0.004 | Season (S) | 1 | 18.82 | < 0.001 |
Year (Y) | 1 | 124.86 | < 0.001 | Year (Y) | 1 | 67.85 | < 0.001 |
Area | 2 | 1.35 | 0.51 |
Only significant interactions were kept in the final model. Significant effects (P < 0.05) are in bold