Sarda australis: Population traits

at T = 14.9 °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: 2025/05/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.378989 0.570257 0.785129 0.785129 1 1 scaled functional response
r 1/d 0 0 0.00414141 0.000301741 0.00490721 0.000439598 spec pop growth rate
t2 d NaN NaN 167.37 2297.16 141.251 1576.78 population doubling time
a_b d 14.5099 13.8482 13.4325 13.4325 13.1722 13.1722 age at birth
t_j d 18.2939 14.9285 13.1117 13.1117 12.0782 12.0782 time since birth at metam
t_p d 6875.84 3244.57 2461.97 2461.97 2119.71 2119.71 time since birth at puberty
S_b - 0.999995 0.999995 0.999996 0.999996 0.999996 0.999996 survival probability at birth
S_j - 0.999976 0.145947 0.999983 0.125532 0.999985 0.125495 survival probability at metam
S_p - 0.99997 0.125601 0.999982 0.12139 0.999984 0.111132 survival probability at puberty
theta_0b - 0.00444424 0.603843 0.0541272 0.630628 0.0625536 0.646218 frac of ind that is embryo
theta_bj - 0.00445946 0.268868 0.0501672 0.259367 0.0540777 0.249293 frac of ind between b and j
theta_jp - 0.00116295 0.00640532 0.0011934 0.00185372 0.00474176 0.00630516 frac of ind between j and p
theta_pi - 0.989933 0.120884 0.894512 0.108152 0.878627 0.0981837 frac of ind that is adult
L_bi cm 4.83324 0.226812 1.32838 0.199532 1.24269 0.192174 mean structural length of post-natals
L2_bi cm^2 29.1684 0.53483 3.23557 0.378857 2.87253 0.342876 mean squared structural length of post-natals
L3_bi cm^3 194.075 3.40421 11.1397 2.38697 9.52692 2.21301 mean cubed structural length of post-natals
Ww_bi g 396.649 8.75078 35.2279 7.54847 35.7655 8.30796 mean wet weight of post-natals
L_pi cm 4.86025 0.58413 1.40013 0.511969 1.32047 0.507795 mean structural length of adults
L2_pi cm^2 29.334 1.74119 3.42098 1.28157 3.06437 1.22181 mean squared structural length of adults
L3_pi cm^3 195.177 11.1553 11.7793 8.15134 10.1647 7.973 mean cubed structural length of adults
Ww_pi g 398.902 28.6756 37.2505 25.7775 38.1596 29.9318 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 1.08099 0.0297747 0.248542 0.029019 0.281069 0.0334434 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 0.18562 0.0248198 0.166331 0.029089 yield of living structure on food
Y_VX_d mol/mol 0.118353 0.153626 0.00299081 0.130301 0.00182498 0.11437 yield of dead structure on food
Y_EX mol/mol 0 0 0.401377 0.0536694 0.458101 0.0801153 yield of living reserve on food
Y_EX_d mol/mol 0.123536 0.24128 0.0064672 0.281758 0.00502626 0.314991 yield of dead reserve on food
Y_CX mol/mol 0.648736 0.495719 0.29417 0.400077 0.259341 0.35206 yield of CO2 on food
Y_HX mol/mol 0.466729 0.356642 0.211639 0.287833 0.186582 0.253288 yield of H2O on food
Y_OX mol/mol -0.7055 -0.539094 -0.31991 -0.435084 -0.282034 -0.382866 yield of O2 on food
Y_NX mol/mol 0.0973104 0.0743578 0.0441255 0.0600115 0.0389012 0.0528091 yield of N-waste on food
mu_TX J/mol 345379 262983 153880 210455 133702 183462 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