Arius maculatus: Population traits

at T = 26.4 °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: 2025/02/17
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.361576 NaN 0.680788 NaN 1 1 scaled functional response
r 1/d 0 0 0.00138869 NaN 0.00201638 NaN spec pop growth rate
t2 d NaN NaN 499.139 NaN 343.759 NaN population doubling time
a_b d 85.3034 NaN 78.3297 NaN 75.1167 NaN age at birth
t_j d 89.8757 NaN 57.1827 NaN 46.7341 NaN time since birth at metam
t_p d 2056.35 NaN 742.244 NaN 551.997 NaN time since birth at puberty
S_b - 0.999984 NaN 0.999988 NaN 0.999989 NaN survival probability at birth
S_j - 0.999913 NaN 0.999956 NaN 0.999967 NaN survival probability at metam
S_p - 0.999908 NaN 0.99994 NaN 0.99995 NaN survival probability at puberty
theta_0b - 0.0188174 NaN 0.104043 NaN 0.140919 NaN frac of ind that is embryo
theta_bj - 0.0188282 NaN 0.0691413 NaN 0.0775133 NaN frac of ind between b and j
theta_jp - 0.00100915 NaN 0.0242098 NaN 0.043631 NaN frac of ind between j and p
theta_pi - 0.961345 NaN 0.802606 NaN 0.737936 NaN frac of ind that is adult
L_bi cm 4.52543 NaN 4.74024 NaN 4.94472 NaN mean structural length of post-natals
L2_bi cm^2 21.5688 NaN 28.5835 NaN 33.6389 NaN mean squared structural length of post-natals
L3_bi cm^3 105.45 NaN 197.175 NaN 276.641 NaN mean cubed structural length of post-natals
Ww_bi g 171.59 NaN 430.027 NaN 756.52 NaN mean wet weight of post-natals
L_pi cm 4.59605 NaN 5.1516 NaN 5.5484 NaN mean structural length of adults
L2_pi cm^2 21.9885 NaN 31.7357 NaN 38.8893 NaN mean squared structural length of adults
L3_pi cm^3 107.598 NaN 219.892 NaN 321.69 NaN mean cubed structural length of adults
Ww_pi g 175.084 NaN 479.57 NaN 879.715 NaN mean wet weight of adults
R 1/d 0.000162241 NaN 0.0030995 NaN 0.00493315 NaN mean reproduction rate of adults
J_X g/d 1.08078 NaN 2.74368 NaN 4.76889 NaN mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 NaN 0.109375 NaN 0.109375 NaN yield of faeces on food
Y_VX mol/mol 0 NaN 0.0997981 NaN 0.116969 NaN yield of living structure on food
Y_VX_d mol/mol 0.0290429 NaN 0.00340426 NaN 0.00155434 NaN yield of dead structure on food
Y_EX mol/mol 0 NaN 0.117855 NaN 0.202902 NaN yield of living reserve on food
Y_EX_d mol/mol 0.0182161 NaN 0.00402022 NaN 0.00269626 NaN yield of dead reserve on food
Y_CX mol/mol 0.843366 NaN 0.665547 NaN 0.566504 NaN yield of CO2 on food
Y_HX mol/mol 0.606755 NaN 0.478824 NaN 0.407568 NaN yield of H2O on food
Y_OX mol/mol -0.917161 NaN -0.723782 NaN -0.616073 NaN yield of O2 on food
Y_NX mol/mol 0.126505 NaN 0.0998321 NaN 0.0849755 NaN yield of N-waste on food
mu_TX J/mol 447960 NaN 353867 NaN 300159 NaN 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