Table 4 Determination coefficients (r 2) of the simple linear regression models linking α-diversity indices for total macrofauna and for each major taxonomic group
H′ | Cluster I (N = 35) | Cluster IIa (N = 11) | Cluster IIb (N = 12) | Cluster III (N = 31) | Whole area (N = 92) |
|---|---|---|---|---|---|
Polychaetes | 0.83 | 0.84 | 0.04 | 0.72 | 0.67 |
Crustaceans | 0.07 | 0.02 | 0.03 | 0.42 | 0.04 |
Molluscs | 0.00 | 0.01 | 0.42 | 0.26 | 0.00 |
Echinoderms | 0.09 | 0.45 | 0.10 | 0.23 | 0.03 |
J′ | Cluster I (N = 35) | Cluster IIa (N = 11) | Cluster IIb (N = 12) | Cluster III (N = 31) | Whole area (N = 92) |
|---|---|---|---|---|---|
Polychaetes | 0.00 | 0.89 | 0.00 | 0.69 | 0.69 |
Crustaceans | 0.01 | 0.38 | 0.01 | 0.01 | 0.04 |
Molluscs | 0.01 | 0.25 | 0.54 | 0.01 | 0.05 |
Echinoderms | 0.00 | 0.44 | 0.29 | 0.18 | 0.08 |
Δ* | Cluster I (N = 35) | Cluster IIa (N = 11) | Cluster IIb (N = 12) | Cluster III (N = 31) | Whole area (N = 92) |
|---|---|---|---|---|---|
Polychaetes | 0.36 | 0.06 | 0.04 | 0.01 | 0.02 |
Crustaceans | 0.05 | 0.01 | 0.28 | 0.01 | 0.00 |
Molluscs | 0.07 | 0.01 | 0.00 | 0.03 | 0.05 |
Echinoderms | 0.03 | 0.02 | 0.01 | 0.34 | 0.00 |