Scomber australasicus: Population traits

at T = 18.7 °C with background hazards for embryo, larva, juv, adult: 0, 0, 0, 0 1/d

Ln survival probability as function of age, with (dashed) and without (solid) thinning at max (red) and min (blue) scaled functional response for females.
Ln survivor function of the stable age distribution as function of age, with (dashed) and without (solid) thinning at max (red) and min (blue) scaled functional response for females.
model abj f_minf f_max date: 2025/05/22
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.357099 0.365938 0.682969 0.682969 1 1 scaled functional response
r 1/d 0 0 0.0113958 0.00135431 0.0168357 0.00186988 spec pop growth rate
t2 d NaN NaN 60.8247 511.809 41.1712 370.691 population doubling time
a_b d 12.0187 11.9717 10.896 10.896 10.3669 10.3669 age at birth
t_j d 44.1694 43.3046 27.4789 27.4789 21.8678 21.8678 time since birth at metam
t_p d 2801.41 2372.99 725.171 725.171 514.376 514.376 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 0.999999 0.382881 0.999999 0.250653 0.999999 0.190712 survival probability at metam
S_p - 0.999994 0.0310341 0.999998 0.0305144 0.999998 0.0303413 survival probability at puberty
theta_0b - 0.00265167 0.464301 0.116676 0.571041 0.160009 0.61603 frac of ind that is embryo
theta_bj - 0.00265508 0.298838 0.103148 0.305527 0.134528 0.296199 frac of ind between b and j
theta_jp - 0.00710245 0.17038 0.134346 0.0882809 0.124188 0.0575403 frac of ind between j and p
theta_pi - 0.987591 0.0664811 0.64583 0.035152 0.581276 0.0302315 frac of ind that is adult
L_bi cm 2.7081 0.232501 0.638096 0.134002 0.564134 0.129519 mean structural length of post-natals
L2_bi cm^2 7.80711 0.37735 0.748742 0.104393 0.608585 0.0964931 mean squared structural length of post-natals
L3_bi cm^3 23.0134 1.03813 1.21293 0.304391 0.940949 0.316899 mean cubed structural length of post-natals
Ww_bi g 32.0165 1.45431 2.12044 0.532136 1.97177 0.664066 mean wet weight of post-natals
L_pi cm 2.73374 1.27953 0.831975 0.6929 0.766051 0.660213 mean structural length of adults
L2_pi cm^2 7.88411 2.98614 1.01905 1.18745 0.873402 1.13514 mean squared structural length of adults
L3_pi cm^3 23.2408 8.35965 1.65828 3.70568 1.35893 4.01573 mean cubed structural length of adults
Ww_pi g 32.3328 11.7109 2.89901 6.47827 2.84766 8.41501 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.267661 0.0131499 0.0493155 0.0066648 0.0587666 0.00901054 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 0.109375 0.109375 0.109375 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 0 0.280283 0.0618532 0.269567 0.0657634 yield of living structure on food
Y_VX_d mol/mol 0.0245002 0.0615189 4.08463e-05 0.133102 1.58288e-05 0.138401 yield of dead structure on food
Y_EX mol/mol 0 0 0.209708 0.0462786 0.295314 0.0720446 yield of living reserve on food
Y_EX_d mol/mol 0.00958463 0.0246623 3.05613e-05 0.099587 1.73406e-05 0.15162 yield of dead reserve on food
Y_CX mol/mol 0.85654 0.804444 0.400562 0.549804 0.32571 0.462797 yield of CO2 on food
Y_HX mol/mol 0.616233 0.578753 0.288182 0.395554 0.234331 0.332957 yield of H2O on food
Y_OX mol/mol -0.931487 -0.874833 -0.435611 -0.597912 -0.35421 -0.503292 yield of O2 on food
Y_NX mol/mol 0.128481 0.120667 0.0600843 0.0824706 0.0488566 0.0694195 yield of N-waste on food
mu_TX J/mol 454978 428176 216982 294796 175276 247403 yield of heat on food

Remarks

  • Reprod-code O applies. Sex ratio is assumed to be 1:1. Parameters of male and female are the same.
  • Buffer handling rule: release each egg as soon as reproduction buffer allows
  • Weights of adults do not include reproduction buffer