Table 2.
Summary of 2-way ANOVAs for the effect of vegetative propagule pressure on RII values for interspecific interaction and the presence of the native C. prolifera on RII values for intraspecific interaction based on stolon length, biomass and number of fronds of the invader C. cylindracea.
| Source | df | RII Stolon length | RII Biomass | RII Number of fronds | |||
|---|---|---|---|---|---|---|---|
| F | P | F | P | F | P | ||
| Interspecific interactions | |||||||
| Tank = T | 1 | 0.61 | 0.4564 | 0.49 | 0.5037 | 0.22 | 0.6552 |
| Pressure = P | 1 | 378.94 | 0.0327 | 14.92 | 0.1613 | 2970.25 | 0.0117 |
| T × P | 1 | 0.01 | 0.9236 | 0.27 | 0.6185 | 0.001 | 0.9776 |
| Residual | 8 | ||||||
| SNK test | Low < High | Low < High | |||||
| Intraspecific interactions | |||||||
| Tank = T | 1 | 0.58 | 0.4665 | 0.41 | 0.5416 | 0.87 | 0.3787 |
| Native = N | 1 | 46.82 | 0.0924 | 7.49 | 0.2230 | 51.11 | 0.0885 |
| T × N | 1 | 0.06 | 0.8083 | 0.40 | 0.5459 | 0.04 | 0.8490 |
| Residual | 8 | ||||||
Significant results are in bold. Results of SNK test are reported.