Table 1.
Model parameters and values
| Model parameter | Symbol | Value |
|---|---|---|
| Dynamic size spectrum | ||
| Biomass conversion efficiency | K | 0.2 |
| Search rate scaling exponent | α | 0.8 |
| Search rate constant | A | 600 m3 year−1g−α |
| Preferred log predator-to-prey mass ratio | β | 5 |
| Diet breadth | σ | 1.5 |
| Intrinsic mortality constant | μi,0 | 1 year−1 |
| Intrinsic mortality scaling exponent | ξi | 0.25 |
| Mass at onset of senescent mortality | w0 exp(xs) | 440 g |
| Senescent mortality scaling exponent | ξs | 5 |
| Fish life history | ||
| Mass of egg | w0 | 0.001 g |
| Mass at maturation midpoint | w0 exp(xm) | 150 g |
| Asymptotic mass | w0 exp(x∞) | 1000 g |
| Reproduction function exponent | ρ | 0.2 |
| Controls the width of the transition from immaturity to maturity | ρm | 10 |
| Fixed plankton size spectrum | ||
| Maximum body mass of plankton | w0 exp(xp) | 0.001 g |
| Plankton density at x0 | u0p | 100 m−3 |
| Plankton size spectrum exponent | −γ | −2 |
| Fishing | ||
| Fishing mortality | F | 0–2.5 year−1 |
| Minimum capture size | w0 exp(xf) | 150 g |