TABLE 2.
Results of the PERMANOVA for the gut samples of the three cold-water fishes.
| PERMANOVA | ||||||
| Type | Sample | Distance | df | F | R 2 | Bonferroni-corrected p-value |
| Different host species | SW-F | Bray_curtis | 2 | 4.5906 | 0.43346 | 0.009 |
| SK-F | Unweighted_UniFrac | 2 | 2.363 | 0.28256 | 0.024 | |
| PP-F | Weighted_UniFrac | 2 | 5.3353 | 0.47068 | 0.015 | |
| SW-M | Bray_curtis | 2 | 5.8885 | 0.49531 | 0.003 | |
| SK-M | Unweighted_UniFrac | 2 | 3.6984 | 0.38134 | 0.003 | |
| PP-M | Weighted_UniFrac | 2 | 5.7687 | 0.49017 | 0.003 | |
| SW-H | Bray_curtis | 2 | 5.7729 | 0.49036 | 0.009 | |
| SK-H | Unweighted_UniFrac | 2 | 3.1845 | 0.34673 | 0.003 | |
| PP-H | Weighted_UniFrac | 2 | 5.7268 | 0.48835 | 0.003 | |
The Kruskal–Wallis H-test was used to analyze the significant differences among different species, and the Bonferroni was conducted to correct the p-value. SW, Schizothorax wangchiachii; SK, Schizothorax kozlovi, PP, Percocypris pingi. F, foregut; M, midgut; H, hindgut.