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. 2012 Nov 15;2(12):3168–3178. doi: 10.1002/ece3.418

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