Silurus aristotelis: Population traits

at T = 20 °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: 2025/06/26
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.477949 0.506299 0.75315 0.75315 1 1 scaled functional response
r 1/d 0 0 0.00494505 0.000729525 0.00729551 0.0011181 spec pop growth rate
t2 d NaN NaN 140.17 950.135 95.0101 619.935 population doubling time
a_b d 6.06942 6.01045 5.62917 5.62917 5.37347 5.37347 age at birth
t_j d 0.00408494 0.00388086 0.00276079 0.00276079 0.00219856 0.00219856 time since birth at metam
t_p d 4606.97 3141.81 1288.15 1288.15 892.286 892.286 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_j - 1 0.999608 1 0.999607 1 0.999607 survival probability at metam
S_p - 0.999999 0.692246 0.999999 0.62337 0.999999 0.573932 survival probability at puberty
theta_0b - 0.00125974 0.150105 0.0273635 0.21222 0.0383179 0.249224 frac of ind that is embryo
theta_bj - 8.50509e-07 9.71974e-05 1.32845e-05 0.000104247 1.54277e-05 0.000102016 frac of ind between b and j
theta_jp - 0.00126284 0.125145 0.0267001 0.167392 0.0369621 0.188265 frac of ind between j and p
theta_pi - 0.997477 0.724652 0.945923 0.620284 0.924705 0.562409 frac of ind that is adult
L_bi cm 2.76201 0.636982 0.878203 0.40386 0.799057 0.375925 mean structural length of post-natals
L2_bi cm^2 8.41171 1.28415 1.23098 0.562735 1.04688 0.491971 mean squared structural length of post-natals
L3_bi cm^3 26.6533 3.74989 2.2884 1.61886 1.87847 1.49198 mean cubed structural length of post-natals
Ww_bi g 31.2469 4.4345 2.90989 2.05851 2.55583 2.02998 mean wet weight of post-natals
L_pi cm 2.76538 0.729052 0.899957 0.484039 0.826596 0.465301 mean structural length of adults
L2_pi cm^2 8.42235 1.5042 1.26541 0.711589 1.08825 0.652736 mean squared structural length of adults
L3_pi cm^3 26.6871 4.39778 2.35299 2.05567 1.95353 1.99125 mean cubed structural length of adults
Ww_pi g 31.2865 5.20068 2.99202 2.61395 2.65796 2.70928 mean wet weight of adults
R 1/d 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.141891 0.0229462 0.0327205 0.014958 0.0369476 0.0173631 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 0.345846 0.0789542 0.370914 0.0960762 yield of living structure on food
Y_VX_d mol/mol 0.0594914 0.124221 0.000632994 0.175705 0.000274526 0.196397 yield of dead structure on food
Y_EX mol/mol 0 0 0.093925 0.0214424 0.133749 0.0346444 yield of living reserve on food
Y_EX_d mol/mol 0.0102531 0.0226787 0.000171909 0.047718 9.8992e-05 0.0708193 yield of dead reserve on food
Y_CX mol/mol 0.820881 0.743726 0.450049 0.566806 0.385588 0.492688 yield of CO2 on food
Y_HX mol/mol 0.590578 0.535069 0.323785 0.407785 0.277409 0.354462 yield of H2O on food
Y_OX mol/mol -0.892708 -0.808802 -0.489428 -0.616401 -0.419327 -0.535798 yield of O2 on food
Y_NX mol/mol 0.123132 0.111559 0.0675074 0.0850209 0.0578382 0.0739032 yield of N-waste on food
mu_TX J/mol 437115 397916 247507 307132 213289 268258 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