Symphurus plagiusa: Population traits

at T = 24.4 °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_min f_max date: 2025/05/22
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.393992 0.393992 NaN NaN 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00519864 0.00519864 NaN NaN spec pop growth rate
t2 d NaN NaN NaN NaN 133.332 133.332 NaN NaN population doubling time
a_b d 6.31548 6.32665 NaN NaN 5.41253 5.42259 NaN NaN age at birth
t_j d 53.814 54.4034 NaN NaN 22.2525 22.4734 NaN NaN time since birth at metam
t_p d 4183.49 3702.77 NaN NaN 863.102 825.808 NaN NaN time since birth at puberty
S_b - 0.999999 0.999999 NaN NaN 0.999999 0.999999 NaN NaN survival probability at birth
S_j - 0.999992 0.999992 NaN NaN 0.999995 0.999995 NaN NaN survival probability at metam
S_p - 0.999838 0.999833 NaN NaN 0.999971 0.99997 NaN NaN survival probability at puberty
theta_0b - 0.00219515 0.0022071 NaN NaN 0.0276969 0.027748 NaN NaN frac of ind that is embryo
theta_bj - 0.00220753 0.00221961 NaN NaN 0.0270404 0.0270893 NaN NaN frac of ind between b and j
theta_jp - 0.0166016 0.0168658 NaN NaN 0.0794243 0.0803691 NaN NaN frac of ind between j and p
theta_pi - 0.978996 0.978708 NaN NaN 0.865838 0.864794 NaN NaN frac of ind that is adult
L_bi cm 0.959561 0.947795 NaN NaN 0.503467 0.498662 NaN NaN mean structural length of post-natals
L2_bi cm^2 1.0789 1.05287 NaN NaN 0.433393 0.424942 NaN NaN mean squared structural length of post-natals
L3_bi cm^3 1.29752 1.2512 NaN NaN 0.503263 0.488438 NaN NaN mean cubed structural length of post-natals
Ww_bi g 1.37456 1.32467 NaN NaN 0.579104 0.561242 NaN NaN mean wet weight of post-natals
L_pi cm 0.976875 0.96514 NaN NaN 0.558217 0.553394 NaN NaN mean structural length of adults
L2_pi cm^2 1.09956 1.07333 NaN NaN 0.486248 0.477304 NaN NaN mean squared structural length of adults
L3_pi cm^3 1.32245 1.27559 NaN NaN 0.565117 0.549103 NaN NaN mean cubed structural length of adults
Ww_pi g 1.40096 1.3505 NaN NaN 0.650279 0.630949 NaN NaN mean wet weight of adults
R 1/d 0 0 NaN NaN 0 0 NaN NaN mean reproduction rate of adults
J_X g/d 0.00621839 0.00600134 NaN NaN 0.00638163 0.00618857 NaN NaN mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 0.109375 NaN NaN 0.109375 0.109375 NaN NaN yield of faeces on food
Y_VX mol/mol 0 0 NaN NaN 0.409971 0.410307 NaN NaN yield of living structure on food
Y_VX_d mol/mol 0.134277 0.134764 NaN NaN 0.00407627 0.00412374 NaN NaN yield of dead structure on food
Y_EX mol/mol 0 0 NaN NaN 0.0617821 0.0611579 NaN NaN yield of living reserve on food
Y_EX_d mol/mol 0.00797259 0.00791414 NaN NaN 0.000614289 0.00061466 NaN NaN yield of dead reserve on food
Y_CX mol/mol 0.748375 0.747947 NaN NaN 0.414182 0.414422 NaN NaN yield of CO2 on food
Y_HX mol/mol 0.538414 0.538106 NaN NaN 0.297981 0.298153 NaN NaN yield of H2O on food
Y_OX mol/mol -0.813858 -0.813393 NaN NaN -0.450423 -0.450684 NaN NaN yield of O2 on food
Y_NX mol/mol 0.112256 0.112192 NaN NaN 0.0621272 0.0621633 NaN NaN yield of N-waste on food
mu_TX J/mol 400976 400765 NaN NaN 231158 231310 NaN NaN yield of heat on food

Remarks

  • Reprod-code O applies. Sex ratio is assumed to be 1:1. Parameters of male and female differ.
  • Buffer handling rule: release each egg as soon as reproduction buffer allows
  • Weights of adults do not include reproduction buffer