Table 3. Descriptive values of habitat variables for the three clusters.
| A. Continuous variables |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
TORRENTS
|
PONDS
|
RIVERS / LAKES
|
||||||||||||
| Mean | SD | v.test | p.value | Mean | SD | v.test | p.value | Mean | SD | v.test | p.value | |||
| SPL | 64.51 | 7.45 | 8.11 | <0.001 | 45.39 | 4.37 | -6.26 | <0.001 | 52.31 | 4.05 | -4.47 | <0.001 | ||
| Air temperature | 19.93 | 3.17 | -4.87 | <0.001 | 22.09 | 2.72 | 1.51 | 0.130 | 23.59 | 2.77 | 4.50 | <0.001 | ||
| Water temperature | 19.46 | 2.92 | -5.25 | <0.001 | 21.28 | 2.63 | 0.96 | 0.334 | 23.80 | 3.44 | 5.39 | <0.001 | ||
| Depth | 43.40 | 25.07 | -2.58 | 0.010 | 40.13 | 33.18 | -0.94 | 0.343 | 75.08 | 64.27 | 3.79 | <0.001 | ||
| Width | 484.74 | 284.32 | -5.00 | <0.001 | 484.13 | 221.83 | -1.14 | 0.245 | 1198.08 | 679.50 | 6.82 | <0.001 | ||
| Slope | 0.20 | 0.36 | 3.27 | 0.001 | 0.00 | 0.00 | -1.82 | 0.068 | 0.01 | 0.02 | -2.36 | 0.018 | ||
| B. Substrate categories | ||||||||||||||
| TORRENTS | PONDS | RIVERS / LAKES | ||||||||||||
| Cat/Clu | Clu/Cat | v.test | p.value | Cat/Clu | Clu/Cat | v.test | p.value | Cat/Clu | Clu/Cat | v.test | p.value | |||
| Leaf | 100 | 36.17 | 4.85 | <0.001 | 0 | 0 | -2.35 | 0.019 | 0 | 0 | -3.46 | <0.001 | ||
| Rock | 100 | 23.40 | 3.57 | <0.001 | 0 | 0 | -1.58 | 0.115 | 0 | 0 | -2.47 | 0.014 | ||
| Branch | 90.48 | 40.43 | 3.46 | <0.001 | 0 | 0 | -2.82 | 0.005 | 9.52 | 16 | -1.63 | 0.102 | ||
| Sand | 0 | 0 | -2.45 | 0.014 | 100 | 26.67 | 3.70 | <0.001 | 0 | 0 | -0.17 | 0.866 | ||
| Ground | 0 | 0 | -4.28 | <0.001 | 0 | 0 | -0.44 | 0.663 | 100 | 36 | 5.27 | <0.001 | ||
| Leaf litter | 0 | 0 | -4.87 | <0.001 | 100 | 73.33 | 7.19 | <0.001 | 0 | 0 | -1.32 | 0.187 | ||
| Water | 0 | 0 | -5.15 | <0.001 | 0 | 0 | -0.75 | 0.450 | 100 | 48 | 6.33 | <0.001 | ||
A. Mean and standard deviation values (SD) of each variable are shown for the ’torrents’, ’ponds’ and ‘rivers/lakes’ clusters. B. Percentage of categories’ individuals in each cluster (Cat/Clu) and percentage of clusters’ individuals in each category (Clu/Cat) are represented. The sign of the v-test values indicate whether the variable is over (positive value) or under-represented (negative value) compared to the global average values. P-values of the respective v-tests are represented.