Open Access
Table 2
Results of the t-test between the daytime and nighttime data. Variables “Scrapers” and “Biomass” are not displayed as they were evaluated with Wilcoxon tests (see the values and the results in the main text). df: degrees of freedom for the t-statistic.
| Variables | df | t | p-value |
|---|---|---|---|
| Abundances | 68 | –0.4269 | 0.6708 |
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| Families’ Richness | 68 | –0.0329 | 0.9739 |
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| Shannon Index | 68 | 0.0838 | 0.9335 |
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| Predators (No. ind) | 67 | 0.9308 | 0.3553 |
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| Collectors (No. ind) | 67 | –0.9911 | 0.3252 |
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| Shredders (No. ind) | 67 | 0.6572 | 0.5133 |
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| Filter feeders (No. ind) | 68 | 0.0326 | 0.9741 |
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