Schilbe mystus: Population traits

at T = 25 °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: 2025/06/22
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.36183 NaN 0.392065 0.392065 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.0134407 0.0134407 0.00139832 0.00139832 spec pop growth rate
t2 d NaN NaN NaN NaN 51.5707 51.5707 495.699 495.699 population doubling time
a_b d 8.5446 NaN 8.44762 NaN 7.56065 7.56065 7.56065 7.56065 age at birth
t_j d 8.339 NaN 7.91054 NaN 4.83694 4.83694 4.83694 4.83694 time since birth at metam
t_p d 2433.77 NaN 1637.89 NaN 517.856 443.05 517.856 443.05 time since birth at puberty
S_b - 1 NaN 1 NaN 1 1 1 1 survival probability at birth
S_j - 0.999998 NaN 0.274744 NaN 0.999999 0.999999 0.273219 0.273219 survival probability at metam
S_p - 0.999998 NaN 0.259362 NaN 0.999999 0.999999 0.176777 0.176777 survival probability at puberty
theta_0b - 0.00270114 NaN 0.447713 NaN 0.0965177 0.0965177 0.573248 0.573248 frac of ind that is embryo
theta_bj - 0.00264058 NaN 0.235748 NaN 0.0568727 0.0568727 0.204083 0.204083 frac of ind between b and j
theta_jp - 6.51046e-05 NaN 0.00761088 NaN 0.0304352 0.0304352 0.0448203 0.0448203 frac of ind between j and p
theta_pi - 0.994593 NaN 0.308928 NaN 0.816174 0.816174 0.177848 0.177848 frac of ind that is adult
L_bi cm 1.50361 NaN 0.250435 NaN 0.388948 0.388948 0.144339 0.144339 mean structural length of post-natals
L2_bi cm^2 2.45945 NaN 0.273547 NaN 0.261533 0.261533 0.111014 0.111014 mean squared structural length of post-natals
L3_bi cm^3 4.15694 NaN 0.443071 NaN 0.246749 0.246749 0.233675 0.233675 mean cubed structural length of post-natals
Ww_bi g 6.83919 NaN 0.752851 NaN 0.686773 0.686773 0.650385 0.650385 mean wet weight of post-natals
L_pi cm 1.50757 NaN 0.412413 NaN 0.424922 0.424922 0.279263 0.279263 mean structural length of adults
L2_pi cm^2 2.46614 NaN 0.487425 NaN 0.289203 0.289203 0.263049 0.263049 mean squared structural length of adults
L3_pi cm^3 4.16825 NaN 0.792027 NaN 0.273126 0.273126 0.560537 0.560537 mean cubed structural length of adults
Ww_pi g 6.85779 NaN 1.34578 NaN 0.76019 0.76019 1.56014 1.56014 mean wet weight of adults
R 1/d 0 NaN 0 NaN 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.0534651 NaN 0.00644118 NaN 0.0157449 0.0157449 0.00667227 0.00667227 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 NaN 0.109375 NaN 0.109375 0.109375 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 NaN 0 NaN 0.210638 0.210638 0.0489717 0.0489717 yield of living structure on food
Y_VX_d mol/mol 0.0353565 NaN 0.0780617 NaN 6.91249e-05 6.91249e-05 0.104169 0.104169 yield of dead structure on food
Y_EX mol/mol 0 NaN 0 NaN 0.375628 0.375628 0.0873307 0.0873307 yield of living reserve on food
Y_EX_d mol/mol 0.0228137 NaN 0.0545781 NaN 0.00012327 0.00012327 0.185763 0.185763 yield of dead reserve on food
Y_CX mol/mol 0.832455 NaN 0.757985 NaN 0.304167 0.304167 0.464391 0.464391 yield of CO2 on food
Y_HX mol/mol 0.598905 NaN 0.545328 NaN 0.218831 0.218831 0.334104 0.334104 yield of H2O on food
Y_OX mol/mol -0.905295 NaN -0.824309 NaN -0.330782 -0.330782 -0.505025 -0.505025 yield of O2 on food
Y_NX mol/mol 0.124868 NaN 0.113698 NaN 0.0456251 0.0456251 0.0696587 0.0696587 yield of N-waste on food
mu_TX J/mol 442274 NaN 403451 NaN 160483 160483 245728 245728 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