Table 3
R values from one-way (summer) and two-way (winter) ANOSIM tests in Dorset (Rivers Frome and Piddle) and London (Rivers Rib and Lee). The one-way ANOSIM tests for differences in community composition between heads and tails of riffles at one depth (35 cm) during summer. The two-way ANOSIM test for differences with depth (20 and 35 cm), in addition to the distribution of fauna between heads and tails of riffles. Significant values (P < 0.05) are in bold.
| Position | Dorset | Dorset | London | London |
|---|---|---|---|---|
| Summer | Winter | Summer | Winter | |
| Head vs. tail | 0.045 | 0.01 | 0.001 | 0.06 |
| Depth | – | 0.02 | – | 0.04 |
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