Etrumeus micropus: Population traits

at T = 18 °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: 2025/05/23
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.556822 0.865841 0.932921 0.932921 1 1 scaled functional response
r 1/d 0 0 0.00821844 0.000100327 0.00984217 0.000211319 spec pop growth rate
t2 d NaN NaN 84.3405 6908.89 70.4263 3280.1 population doubling time
a_b d 13.1108 12.1763 12.0273 12.0273 11.8913 11.8913 age at birth
t_j d 87.9854 57.9968 54.3125 54.3125 51.1574 51.1574 time since birth at metam
t_p d 2700.55 738.722 662.422 662.422 602.92 602.92 time since birth at puberty
S_b - 0.999998 0.999998 0.999998 0.999998 0.999998 0.999998 survival probability at birth
S_j - 0.999986 0.464131 0.99999 0.444541 0.99999 0.426582 survival probability at metam
S_p - 0.999834 0.0258326 0.999937 0.0257065 0.999944 0.0255993 survival probability at puberty
theta_0b - 0.00558609 0.413811 0.0940664 0.429311 0.110375 0.443453 frac of ind that is embryo
theta_bj - 0.00559528 0.289252 0.0853094 0.294161 0.0982895 0.298116 frac of ind between b and j
theta_jp - 0.0319518 0.236584 0.241038 0.221383 0.253749 0.207666 frac of ind between j and p
theta_pi - 0.956867 0.060353 0.579586 0.0551456 0.537586 0.0507645 frac of ind that is adult
L_bi cm 1.88964 0.291927 0.768775 0.280171 0.70201 0.268971 mean structural length of post-natals
L2_bi cm^2 3.91115 0.427418 1.01552 0.406696 0.867657 0.382361 mean squared structural length of post-natals
L3_bi cm^3 8.36371 1.23054 1.75738 1.23137 1.43729 1.20603 mean cubed structural length of post-natals
Ww_bi g 9.8603 1.57293 2.28424 1.60053 1.89917 1.59359 mean wet weight of post-natals
L_pi cm 1.95603 1.58613 1.0941 1.55886 1.03724 1.5201 mean structural length of adults
L2_pi cm^2 4.0629 3.9546 1.56419 3.99762 1.40917 3.96685 mean squared structural length of adults
L3_pi cm^3 8.69148 11.9171 2.74139 12.7058 2.37215 13.1823 mean cubed structural length of adults
Ww_pi g 10.2467 15.2329 3.56325 16.5151 3.13446 17.4185 mean wet weight of adults
R 1/d 0 0.326444 0 0.501276 0 0.625414 mean reproduction rate of adults
J_X g/d 0.112696 0.0189594 0.0495429 0.0194418 0.0453768 0.0195848 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 0.291523 0.0063543 0.311746 0.013013 yield of living structure on food
Y_VX_d mol/mol 0.0455443 0.106559 0.000724386 0.109 0.000497032 0.112136 yield of dead structure on food
Y_EX mol/mol 0 0 0.0873988 0.00190502 0.100182 0.0041818 yield of living reserve on food
Y_EX_d mol/mol 0.00814963 0.0296495 0.000217172 0.0326782 0.000159725 0.0360357 yield of dead reserve on food
Y_CX mol/mol 0.836931 0.754416 0.510762 0.740688 0.478041 0.725259 yield of CO2 on food
Y_HX mol/mol 0.602125 0.542761 0.367465 0.532884 0.343924 0.521783 yield of H2O on food
Y_OX mol/mol -0.910163 -0.820428 -0.555453 -0.805498 -0.51987 -0.788719 yield of O2 on food
Y_NX mol/mol 0.12554 0.113162 0.0766142 0.111103 0.0717062 0.108789 yield of N-waste on food
mu_TX J/mol 445246 402913 278187 395802 261191 387806 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