Table 2.
Candidate models for explaining the site-level variation in self-thinning slopes. Shown for the respective age classes is the AIC value for the model that included the site-level covariate pred in the following equation 3
| Variable pred in equation 3 | AIC subyearling | AIC yearling |
|---|---|---|
| Energetic cost (Jg−1 day−1) | 174.7 | 111.2 |
| Riffle habitat (%) | 171.0 | 131.3 |
| Run habitat (%) | 171.9 | 131.3 |
| Pool habitat (%) | 174.8 | 128.0 |
| Glide habitat (%) | 175.3 | 131.3 |
| Average water depth (cm) | 168.5 | 130.9 |
| Average flow velocity (ms−1) | 170.0 | 131.0 |
| Average substrate size (mm) | 172.4 | 129.0 |
| Slow and shallow (%) | 175.2 | 131.0 |