Table 2 Model parameter estimates of the most supported model fitted to depth-use data for Atlantic salmon post-smolts in two western Norway fjord systems during 2018 and 2019. P-values in bold are significant at p < 0.05
From: Depth use of wild Atlantic salmon post-smolts migrating through fjords
Fixed effect terms | Response = log (depth) | ||
|---|---|---|---|
Estimates | CI | p | |
Intercept | − 0.48 | − 0.70 to − 0.26 | < 0.001 |
Sun position (scaled) | 0.06 | − 0.12 to 0.24 | 0.512 |
Zone [B] | − 0.23 | − 0.73 to 0.26 | 0.353 |
Zone [C] | − 0.57 | − 1.10 to − 0.05 | 0.033 |
Zone [D] | − 0.72 | − 1.08 to − 0.35 | < 0.001 |
Sun position × zone [B] | 0.62 | 0.32–0.92 | < 0.001 |
Sun position × zone [C] | 0.27 | − 0.02 to 0.57 | 0.071 |
Sun position × zone [D] | 0.24 | 0.04–0.44 | 0.021 |
Random effects | |||
σ2 | 0.51 | ||
τ00 full.id | 0.28 | ||
τ11 full.id.scale.sun.pos | 0.16 | ||
τ11 full.id.zoneb | 0.74 | ||
τ11 full.id.zonec | 0.92 | ||
τ11 full.id.zoned | 0.63 | ||
ρ01 | 0.25 | ||
− 0.80 | |||
− 0.85 | |||
− 0.67 | |||
ICC | 0.47 | ||
Nfull.id | 61 | ||
Observations | 7013 | ||
Marginal R2/conditional R2 | 0.119/0.531 | ||