Table 2.
ANOVA for overlap indices between species pairs (O).
| SS | df | MS | F | P | |
|---|---|---|---|---|---|
| Type of pairs | 3.020 | 2 | 1.510 | 12.107 | < 0.0001 |
| Error | 18.706 | 150 | 0.125 | ||
| Year | 4.258 | 2 | 2.129 | 36.375 | < 0.0001 |
| Year × type of pair | 0.568 | 4 | 0.142 | 2.427 | 0.048 |
| Error | 17.561 | 300 | 0.059 |
Type of pairs refers to the following classification: (i) both species in the pair are stygobites, (ii) one species is stygobite and other one is non-stygobite, and (iii) both species are non-stygobites. Year refers to the three compared years: 1997, 2005 and 2012.