TABLE 3.
Typifying species determined by SIMPER analysis for fish assemblages in different stream orders in the Ren River
| Stream order | Species | Average abundance (%) | Average similarity (%) | Contribution % |
|---|---|---|---|---|
| 1st | P. oxycephalus | 69.5 | 47.3 | 95.7 |
| 2nd | P. oxycephalus | 53.8 | 28.3 | 78.3 |
| G. herzensteini | 15.4 | 2.6 | 7.1 | |
| 3rd | P. oxycephalus | 35.2 | 22.4 | 55.4 |
| M. omeiensis | 24.0 | 22.1 | 28.1 | |
| S. macrolepis | 16.4 | 3.8 | 9.3 | |
| 4th | S. argentatus | 27.1 | 26.4 | 54.1 |
| H.leucisculus | 3.6 | 9.4 | 19.3 | |
| Z. platypus | 7.5 | 5.6 | 11.4 | |
| G. herzensteini | 20.5 | 3.3 | 6.8 |
Only species that contribute to >5% of the average similarity within group are shown.