Table 6.
Biological parameters
| Site | Epifauna | Macro-infauna (>1 mm) | Meifauna | ||||
|---|---|---|---|---|---|---|---|
| Abundance (ind.m−2) | Blotted wet weight biomass (g.m−2) | Diversity (species) | Abundance (ind.m−2) | Blotted wet weight biomass (g.m−2) | Diversity (species) | Abundance (k = 1000 × ind m−2) | |
| Benthic A | 0.88 ± 0.56 | 2.29 ± 1.65 | 54 | 957 ± 603 | 35.7 ± 82.7 | 21.2 ± 4.8 | 806 k ± 281 k |
| Benthic I | 0.9 ± 1.02 | 0.75 ± 0.23 | 78 | 1190 ± 816 | 10.2 ± 21.4 | 31.2 ± 10.6 | 556 k ± 242 k |
| Benthic H | 0.8 ± 0.7 | 0.57 ± 0.34 | 128 | 1130 ± 521 | 14.0 ± 1.4 | 37.6 ± 8.1 | 596 k ± 222 k |
| Benthic G | 1.57 ± 1.61 | 1.82 ± 0.88 | 115 | 483 ± 291 | 16.0 ± 23.0 | 21.1 ± 9.1 | 560 k ± 178 k |
| Site | Meifauna | Microbes | Bioturbation metrics (mm) | |||||
|---|---|---|---|---|---|---|---|---|
| Calculated wet weight biomass (g.m−2)a | Diversity (phyla) | % archael 16S rRNA genes | BPc | f-SPILmax | f-SPILmean | f-SPILmed | SBR | |
| Benthic A | 1.13 ± 0.35 | 5.7 ± 1.3 | 29.7 ± 16.5 | 36.70 ± 22.53 | 13.12 ± 6.67 | 4.24 ± 1.70 | 4.11 ± 1.62 | 16.27 ± 11.27 |
| Benthic I | 1.14 ± 0.48 | 6.4 ± 2.0 | 35.8 ± 15.9 | 19.11 ± 13.14 | 11.62 ± 4.84 | 4.35 ± 1.56 | 4.22 ± 1.49 | 15.10 ± 7.85 |
| Benthic H | 0.73 ± 0.39 | 4.8 ± 1.2 | 38.3 ± 20.9 | 30.31 ± 20.33 | 15.09 ± 12.32 | 4.17 ± 1.32 | 4.08 ± 1.33 | 14.14 ± 8.80 |
| Benthic G | 0.68 ± 0.17 | 5.9 ± 2.0 | 22.2 ± 14.2 | 25.01 ± 17.70 | 10.03 ± 4.52 | 4.37 ± 1.64 | 4.30 ± 1.61 | 14.69 ± 9.37 |
| Site | Megafauna | Demersal fish | Invertebrates | |||
|---|---|---|---|---|---|---|
| Density (ind m2) | Biomass (gm−2) | Density (ind m2) | Biomass (gm−2) | Density (ind m2) | Biomass (gm−2) | |
| Seabed Photography | ||||||
| Benthic I | 0.53 (0.48–0.59) | 6.43 (6.26–6.61) | 0.09 (0.07–0.11) | 5.21 (5.05–5.41) | 0.40 (0.35–0.44) | 1.04 (1.03–1.05) |
| Benthic H | 0.59 (0.53–0.65) | 14.5 (13.6–15.5) | 0.06 (0.05–0.07) | 8.75 (8.05–9.50) | 0.48 (0.43–0.54) | 2.60 (2.52–2.68) |
| Benthic G | 0.57 (0.51–0.63) | 4.77 (4.65–4.90) | 0.08 (0.07–0.10) | 2.54 (2.43–2.64) | 0.44 (0.40–0.49) | 2.45 (2.37–2.53) |
Discussion of specific species abundance can be found in Online Reference 7
a Based on nematodes