Scomber japonicus: Population traits

at T = 20.7 °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: 2022/12/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.186738 0.1868 0.5934 0.5934 1 1 scaled functional response
r 1/d 0 0 0.0487486 0.00979748 0.0560032 0.00996946 spec pop growth rate
t2 d NaN NaN 14.2188 70.7475 12.3769 69.5271 population doubling time
a_b d 2.05444 2.05439 1.95568 1.95568 1.93511 1.93511 age at birth
t_j d 0.419207 0.419168 0.340676 0.340676 0.32617 0.32617 time since birth at metam
t_p d 180.196 183.72 174.468 174.468 147.63 147.63 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.623667 1 0.6199 1 0.61924 survival probability at metam
S_p - 1 0.24159 1 0.201897 1 0.194162 survival probability at puberty
theta_0b - 0.000306225 0.206465 0.090816 0.56269 0.102579 0.573544 frac of ind that is embryo
theta_bj - 6.25767e-05 0.0336272 0.0149746 0.0771631 0.016244 0.0760616 frac of ind between b and j
theta_jp - 0.000244097 0.0637649 0.0677002 0.161337 0.0759271 0.162327 frac of ind between j and p
theta_pi - 0.999387 0.696143 0.826509 0.19881 0.80525 0.188068 frac of ind that is adult
L_bi cm 0.957911 0.739267 0.343759 0.120171 0.33023 0.118562 mean structural length of post-natals
L2_bi cm^2 0.922006 0.690869 0.198015 0.0544327 0.189013 0.0565538 mean squared structural length of post-natals
L3_bi cm^3 0.888966 0.662006 0.15594 0.0618862 0.153188 0.0767912 mean cubed structural length of post-natals
Ww_bi g 4.14709 3.08911 1.9721 0.782646 3.15977 1.58396 mean wet weight of post-natals
L_pi cm 0.958192 0.83693 0.373458 0.212913 0.362598 0.214039 mean structural length of adults
L2_pi cm^2 0.922288 0.787278 0.217593 0.117427 0.21038 0.125755 mean squared structural length of adults
L3_pi cm^3 0.889239 0.754612 0.171527 0.13602 0.170708 0.174011 mean cubed structural length of adults
Ww_pi g 4.14836 3.52123 2.16922 1.72018 3.52116 3.58929 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.253047 0.189673 0.173043 0.0475551 0.278455 0.0832932 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 0.0439304 0.01275 0.0308093 0.00919123 yield of living structure on food
Y_VX_d mol/mol 0.00053444 0.00154873 7.343e-09 0.0248806 3.51063e-09 0.0180085 yield of dead structure on food
Y_EX mol/mol 0 0 0.511637 0.148493 0.604687 0.180394 yield of living reserve on food
Y_EX_d mol/mol 0.00195876 0.00567807 8.55205e-08 0.289773 6.89024e-08 0.353449 yield of dead reserve on food
Y_CX mol/mol 0.888132 0.883398 0.335058 0.414728 0.255128 0.329582 yield of CO2 on food
Y_HX mol/mol 0.638961 0.635556 0.241056 0.298374 0.183551 0.237116 yield of H2O on food
Y_OX mol/mol -0.965843 -0.960696 -0.364376 -0.451016 -0.277452 -0.35842 yield of O2 on food
Y_NX mol/mol 0.13322 0.13251 0.0502587 0.0622092 0.0382693 0.0494373 yield of N-waste on food
mu_TX J/mol 471155 468603 169135 212638 124517 165286 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