TABLE 4.
Effects of covariates on the intestinal microbial diversity (alpha diversity) of gadoid species and ecotypesa,b
| Species or ecotype | Shannon |
Simpson |
Inv. Simpson |
|||
|---|---|---|---|---|---|---|
| Estimate | P value | Estimate | P value | Estimate | P value | |
| Intercept | 1.08 | 0.0000 | 0.38 | 0.0000 | 1.93 | 0.0001 |
| NEAC | 1.69 | 0.0000 | 0.48 | 0.0000 | 5.62 | 0.0000 |
| NP | 0.06 | 0.8367 | -0.01 | 0.8784 | -0.25 | 0.7476 |
| PC | 1.18 | 0.0001 | 0.37 | 0.0002 | 2.44 | 0.0017 |
| NSP | 2.36 | 0.0000 | 0.53 | 0.0000 | 10.03 | 0.0000 |
a
Results from the optimal linear regression models used in testing for significant effects of covariates on within-sample (alpha) diversity based on nonnormalized, order-level sequence counts. Population (species/ecotype) is the only covariate with a significant effect, and estimates are given relative to NCC. Significant effects (P < 0.05) are indicated in bold.
b
NEAC, Northeast Arctic cod; PC, poor cod; NP, Norway pout; NSP, northern silvery pout.