Appendix B (Table B1). Description of prey assemblage. Mean size and dry shell-free biomass of all prey types available to all replicate predator assemblages at the beginning of the experiment.
Prey species |
P. ulyssiponensis |
P. ulyssiponensis |
M. edulis |
M. edulis |
L. littorea |
L. littorea |
G. umbilicalis |
G. umbilicalis |
Chthamalus spp. |
Size class |
Small |
Large |
Small |
Large |
Small |
Large |
Small |
Large |
|
Mean longest axis (mm) |
19.72 |
37.24 |
33.628 |
59.68 |
11.576 |
17.52 |
3.58 |
18.13 |
4.005 |
Mean mass (g) |
0.06 |
0.347 |
0.108 |
0.684 |
0.034 |
0.135 |
0.007 |
0.048 |
0.0002 |
Initial density |
6 |
6 |
6 |
6 |
6 |
6 |
6 |
6 |
800-1000 |
Total mass (g) |
0.36 |
2.082 |
0.648 |
4.104 |
0.204 |
0.81 |
0.042 |
0.288 |
0.16 – 0.2 |