Open Access
Table 4
The t-test analysis for total number of fish species, number of native and non-native fish species and Z.I.C.: comparison of sampling sites in which Pseudorasbora parva was present and those in which it was absent. P< 0.05 is in bold.
|
P. parva
absence |
P. parva
presence |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| N values | Mean (±St. Dev.) | Minimum | Maximum | N values | Mean (±St. Dev.) | Minimum | Maximum | t value | p | |
| Total number | 401 | 7.750±3.151 | 1.000 | 16.000 | 69 | 9.652±3.387 | 2.000 | 17.000 | 9.282 | 0.000 |
| of fish species | ||||||||||
| Number of | 401 | 3.318±2.102 | 0.000 | 9.000 | 69 | 4.116±1.953 | 0.000 | 8.000 | 5.648 | 0.000 |
| native fishes | ||||||||||
| Number of | 401 | 1.432±1.962 | 0.000 | 10.000 | 69 | 5.536±2.673 | 1.000 | 13.000 | 10.758 | 0.000 |
| non-native fishes | ||||||||||
| Z.I.C. | 401 | 0.754±0.311 | 0.000 | 1.000 | 69 | 0.421±0.203 | 0.000 | 0.875 | 11.200 | 0.000 |
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