Table 2. Variance analysis of effects of competition and pH treatment on coral growth.
| Effect | Df | F | p |
|---|---|---|---|
| Type of competition (no competitor compared with intra- and interspecific competition) | |||
| pH Treatment | 1, 180 | 895 | <0.001 |
| Species | 5, 180 | 1124 | <0.001 |
| Type of competition | 2, 180 | 3402 | <0.001 |
| Treatment x Species | 5, 180 | 14 | <0.001 |
| Treatment x Competition | 2, 180 | 91 | <0.001 |
| Species x Competition | 10, 180 | 63 | <0.001 |
| Treatment x Species x Competition | 10, 180 | 8.3 | <0.001 |
| Identity of competitor | |||
| pH Treatment | 1, 300 | 56 | <0.001 |
| Species | 5, 300 | 256 | <0.001 |
| Competitor | 5, 300 | 196 | <0.001 |
| Treatment x Species | 5, 300 | 3.9 | <0.01 |
| Treatment x Competitor | 5, 300 | 4.0 | <0.01 |
| Species x Competitor | 19, 300 | 15 | <0.001 |
| Treatment x Species x Competitor | 19, 300 | 1.1 | 0.39 |
In ‘Type of competition’ data are averaged across the different heterospecific competitors for each species in each of six replicate aquaria per pH treatment.