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Mean angle (µ±95% CI) and its length (r) of the abundance (N) and species richness (S) of all the considered observations (n = 4104) as well as values of the Rao’s spacing test to examine whether the data are uniformly distributed.
| Seasonal | Daily | |||
|---|---|---|---|---|
| N | S | N | S | |
| µ | 167.1° ± 1.5 | 173.0° ± 2.4 | 190.4° ± 0.6 | 193.0° ± 1.7 |
| r | 0.406 | 0.534 | 0.816 | 0.690 |
| Rao’s Spacing test | 359.7; p < 0.01 | 358.5; p < 0.01 | 359.9; p < 0.01 | 359.4; p < 0.01 |
