Table 6 Akaike statistics for model including the species richness and the species abundance.
Model | Covariates | LL | K | AICc | ΔAICc | wi |
|---|---|---|---|---|---|---|
Species richness | ||||||
1 | Environmental factors and heavy metals | −142.79 | 15 | 315.59 | 7.51 | 0.02 |
2 | Environmental factors | −148.39 | 9 | 314.79 | 6.71 | 0.03 |
3 | Heavy metals | −145.04 | 9 | 308.08 | 0.00 | 0.81 |
4 | Pollution degree | −150.75 | 5 | 311.50 | 3.42 | 0.15 |
Abundance | ||||||
1 | Environmental factors and heavy metals | −371.7 | 15 | 773.43 | 7.12 | 0.03 |
2 | Environmental factors | −392.46 | 9 | 802.92 | 36.60 | 0.00 |
3 | Heavy metals | −374.16 | 9 | 766.32 | 0.00 | 0.97 |
4 | Pollution degree | −392.88 | 5 | 795.77 | 29.45 | 0.00 |