Table 2. A chi-squared goodness-of-fit test was used to measure if the number of taxa with significant population genetic structure was more than would be expected by chance alone.
Under a null model we would expect a significant result 5% of the time (assuming α = 0.05). Results show that for many analyses, there are more OTUs with significant values than expected by chance, suggesting an association between many members of the community and the host pitcher plant.
| Test | χ 2 | df | p-value | Number significant | Total taxa |
|---|---|---|---|---|---|
| ΦSC | 22.3612 | 1 | 2.26 × 10−6 | 7 | 29 |
| ΦST | 80.8004 | 1 | 2.20 ×10−16 | 12 | 29 |
| ΦCT | 1.5263 | 1 | 0.22 | 0 | 29 |
| GST | 1.4278 | 1 | 0.23 | 3 | 31 |
| GSIE | 20.1715 | 1 | 7.08 ×10−6 | 7 | 31 |
| GSIW | 13.4482 | 1 | 2.45 × 10−4 | 6 | 31 |