Table 1 Results of the similarity percentage (SIMPER) analysis among the three zones and the analysis of similarity (ANOSIM) of variance between the three zones in the plain region of the Haihe River Basin.
From: Determinants of community structure of zooplankton in heavily polluted river ecosystems
Zone I versus Zone II (Global test, R = 0.038, P value = 0.047) Average dissimilarity = 85.30 | |||
|---|---|---|---|
Species | Average abundance | Contribution% | |
I | II | ||
Polyarthra trigla | 463.39 | 445.18 | 10.79 |
Brachionus angularis | 92.68 | 192.32 | 7.73 |
Filinia maio | 157.5 | 71.79 | 6.85 |
Brachionus urceus | 330 | 73.93 | 6.74 |
Brachionus calyciflorus | 83.57 | 260.89 | 6.41 |
Trichocerca sp. | 202.5 | 71.25 | 4.7 |
Filinia longisela | 8.04 | 221.79 | 4.17 |
Pompholyx sulcata | 26.25 | 52.5 | 3.49 |
Philodina megalotrocha | 35.36 | 20.89 | 3.16 |
Anuraeopsis fissa | 35.89 | 69.64 | 2.74 |
Keratella valga | 22.5 | 26.25 | 2.63 |
Trichocerca pusilla | 0 | 56.79 | 2.36 |
Zone I versus Zone III (Global test, R = 0.130, P value = 0.001) Average dissimilarity = 82.89 | |||
Species | Average abundance | Contribution% | |
I | III | ||
Polyarthra trigla | 463.39 | 428.29 | 10.89 |
Brachionus urceus | 330 | 131.05 | 8.45 |
Brachionus angularis | 92.68 | 195.79 | 8.16 |
Trichocerca sp. | 202.5 | 137.76 | 7.28 |
Filinia maio | 157.5 | 112.5 | 6.96 |
Brachionus calyciflorus | 83.57 | 123.55 | 5.78 |
Anuraeopsis fissa | 35.89 | 112.89 | 3.23 |
Brachionus budapesllensis | 26.25 | 24.87 | 2.99 |
Keratella valga | 22.5 | 41.05 | 2.94 |
Pompholyx sulcata | 26.25 | 9.47 | 2.91 |
Philodina megalotrocha | 35.36 | 22.11 | 2.81 |
Zone II versus Zone III (Global test, R = 0.053, P value = 0.054) Average dissimilarity: 78.52 | |||
Species | Average abundance | Contribution% | |
II | III | ||
Polyarthra trigla | 445.18 | 428.29 | 11.13 |
Brachionus angularis | 192.32 | 195.79 | 8.68 |
Brachionus urceus | 73.93 | 131.05 | 8.51 |
Brachionus calyciflorus | 260.89 | 123.55 | 8.31 |
Trichocerca sp. | 71.25 | 137.76 | 7.08 |
Filinia maio | 71.79 | 112.50 | 6.61 |
Filinia longisela | 221.79 | 11.84 | 4.8 |
Keratella valga | 26.25 | 41.05 | 3.54 |
Trichocerca pusilla | 56.79 | 24.87 | 3.22 |
