Table 1.
Location | Site | Depth (m BCD) | Spring min T (°C) | Summer max T (°C) |
Mean daily light (lumens m-2) | Max wave water motion (m s−1) | Max tidal water motion (m s−1) | Mean NO3− + NO2− (μM) | Mean PO43- (μM) |
Mean density Echinus (inds m−2) |
---|---|---|---|---|---|---|---|---|---|---|
N Scotland (A) | A1 | 2 | 7.06 | 13.78 | 3,290 | 1.32 | 0.20 | 2.05 | 0.22 | 0.0 |
N Scotland (A) | A2 | 4 | 7.06 | 13.89 | 2,592 | 0.30 | 0.23 | 1.92 | 0.23 | 0.5 |
W Scotland (B) | B1 | 5 | 7.29 | 13.99 | 2,543 | 0.45 | 0.15 | 2.65 | 0.27 | 0.1 |
W Scotland (B) | B2 | 4 | 7.21 | 13.67 | 1696 | 0.13 | 0.05 | 2.53 | 0.26 | 0.1 |
SW Wales (C) | C1 | 4 | 9.97 | 17.13 | 1519 | 0.73 | 0.21 | 3.16 | 0.21 | 0.2 |
SW Wales (C) | C2 | 3 | 9.29 | 17.06 | 976 | 0.39 | 0.10 | 2.67 | 0.22 | 0.3 |
SW England (D) | D1 | 3 | 9.65 | 17.83 | 1,500 | 0.89 | 0.16 | 3.41 | 0.13 | 0.1 |
SW England (D) | D2 | 4 | 10.02 | 18.10 | 1553 | 0.39 | 0.12 | 3.05 | 0.15 | 0.0 |