Open Access
Table 1
Kruskal-Wallis test of differences in pike abundance between station types (FLOLIZ and control stations) over different periods. NS = No significant difference; * means a significant difference at 5% threshold; χ2 = Kruskal-Wallis Chi Squared; df = Degree of freedom; P = P-value (Kruskal and Wallis, 1952).
| DCS vs FLOLIZ | NCS vs FLOLIZ | DCS vs NCS | ||
|---|---|---|---|---|
| Whole sampling period | ||||
| Season | χ2 = 3.9, df = 1, P = 0.049 * | NS | NS | |
| Spring | χ2 = 4.3, df = 1, P = 0.037 * | NS | NS | |
| Summer | NS | NS | NS | |
| Year | ||||
| 2019 | NS | NS | NS | |
| 2020 | NS | NS | NS | |
| 2021 | NS | NS | NS | |
| 2022 | χ2 = 3.7, df = 1, P = 0.055 | χ2 = 3.7, df = 1, P = 0.055 | NS | |
| 2023 | No data | NS | No data |
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