Open Access
Table 7
Calculated pairwise Jaccard and Chekanovski-Sørensen-Dice coefficients of species composition similarity found in bottom community in different years.
| Coefficient | The threshold values to make a conclusion aboutthesimilarity, % | Calculated values of coefficients (compared years) | ||
|---|---|---|---|---|
|
|
||||
| 2013–2015 | 2013–2018 | 2015–2018 | ||
| Harpacticoida | ||||
| Jaccard | 42 | 30 | 50 | 45(65*) |
| Chekanovski-Sørensen-Dice | 59 | 46 | 67 | 63(77*) |
| Number of common species | 3 | 5 | 5 | |
| Nematoda | ||||
| Jaccard | 42 | 19 | 24 | 16(19*) |
| Chekanovski-Sørensen-Dice | 59 | 31 | 16 | 28(32*) |
| Number of common species | 8 | 9 | 5 | |
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