| Algae | Artificial substrates | |||||
---|---|---|---|---|---|---|---|
Source of variation | df | MS | F | P | MS | F | p |
Morph (M) | 1 | 0.170 | 0.92 | 0.392 | 3.750 | 44.13 | 0.002 |
Substrate colour (SC) | 1 | 8.636 | 46.56 | 0.002 | 0.298 | 3.51 | 0.134 |
M x SC | 1 | 0.069 | 0.37 | 0.574 | 0.217 | 2.55 | 0.185 |
Aquaria (M x SC) | 4 | 0.186 | 1.07 | 0.388 | 0.085 | 0.65 | 0.632 |
Error | 32 | 0.174 | Â | Â | 0.131 | Â | Â |
 | C = 0.247; ns | C = 0.240; ns |