Trachurus japonicus: Population traits

at T = 13.8 °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: 2025/05/19
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.319334 0.326454 0.663227 0.663227 1 1 scaled functional response
r 1/d 0 0 0.00598809 0.00122272 0.00829824 0.00160944 spec pop growth rate
t2 d NaN NaN 115.754 566.887 83.5294 430.675 population doubling time
a_b d 15.6014 15.5494 14.1093 14.1093 13.4823 13.4823 age at birth
t_j d 16.0159 15.766 10.1298 10.1298 8.31257 8.31257 time since birth at metam
t_p d 5587.05 4850.64 1450.95 1450.95 1067.76 1067.76 time since birth at puberty
S_b - 0.999999 0.999999 1 1 1 1 survival probability at birth
S_j - 0.999997 0.305094 0.999998 0.298512 0.999999 0.29804 survival probability at metam
S_p - 0.999997 0.300091 0.999998 0.222558 0.999998 0.190545 survival probability at puberty
theta_0b - 0.00276849 0.40537 0.0809091 0.526795 0.105713 0.567867 frac of ind that is embryo
theta_bj - 0.00277379 0.237741 0.0541025 0.216856 0.0596132 0.200075 frac of ind between b and j
theta_jp - 7.36824e-05 0.00171139 0.0203723 0.0374746 0.0350532 0.0505283 frac of ind between j and p
theta_pi - 0.994384 0.355178 0.844616 0.218875 0.799621 0.18153 frac of ind that is adult
L_bi cm 1.80963 0.281911 0.453715 0.151408 0.417541 0.146776 mean structural length of post-natals
L2_bi cm^2 3.62346 0.337468 0.349598 0.0870671 0.302464 0.0819537 mean squared structural length of post-natals
L3_bi cm^3 7.55348 0.622941 0.373122 0.133652 0.311851 0.13323 mean cubed structural length of post-natals
Ww_bi g 12.3152 1.0244 0.861646 0.30864 0.927482 0.396241 mean wet weight of post-natals
L_pi cm 1.81466 0.435939 0.4884 0.261887 0.45949 0.269383 mean structural length of adults
L2_pi cm^2 3.63383 0.56303 0.380095 0.184458 0.337784 0.190297 mean squared structural length of adults
L3_pi cm^3 7.57511 1.04281 0.406001 0.28873 0.348738 0.316856 mean cubed structural length of adults
Ww_pi g 12.3505 1.71485 0.937574 0.66676 1.03719 0.942369 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.0514856 0.00489921 0.010335 0.00256675 0.0134888 0.00364393 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 0.216186 0.0636678 0.19185 0.0588447 yield of living structure on food
Y_VX_d mol/mol 0.0401317 0.0839223 0.000162045 0.128592 6.76783e-05 0.117252 yield of dead structure on food
Y_EX mol/mol 0 0 0.28305 0.0833596 0.378734 0.116166 yield of living reserve on food
Y_EX_d mol/mol 0.0252991 0.0540844 0.000212163 0.168364 0.000133605 0.231469 yield of dead reserve on food
Y_CX mol/mol 0.825194 0.752618 0.391015 0.446642 0.31984 0.366893 yield of CO2 on food
Y_HX mol/mol 0.593681 0.541467 0.281314 0.321334 0.230107 0.263959 yield of H2O on food
Y_OX mol/mol -0.897399 -0.818472 -0.425229 -0.485723 -0.347826 -0.398996 yield of O2 on food
Y_NX mol/mol 0.123779 0.112893 0.0586523 0.0669963 0.047976 0.055034 yield of N-waste on food
mu_TX J/mol 438520 400792 208532 237922 168164 193252 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