Brachidontes pharaonis: 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: 2025/02/17
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.259336 NaN 0.629668 NaN 1 1 scaled functional response
r 1/d 0 0 0.0184731 NaN 0.0322346 NaN spec pop growth rate
t2 d NaN NaN 37.5219 NaN 21.5032 NaN population doubling time
a_b d 1.28119 NaN 1.12695 NaN 1.04936 NaN age at birth
t_j d 115.239 NaN 45.862 NaN 28.9661 NaN time since birth at metam
t_p d 2357.99 NaN 407.593 NaN 237.566 NaN time since birth at puberty
S_b - 1 NaN 1 NaN 1 NaN survival probability at birth
S_j - 0.999999 NaN 1 NaN 1 NaN survival probability at metam
S_p - 0.999487 NaN 0.999922 NaN 0.999969 NaN survival probability at puberty
theta_0b - 0.000657685 NaN 0.0204092 NaN 0.032987 NaN frac of ind that is embryo
theta_bj - 0.000668312 NaN 0.0201865 NaN 0.0321648 NaN frac of ind between b and j
theta_jp - 0.0594309 NaN 0.539638 NaN 0.554751 NaN frac of ind between j and p
theta_pi - 0.939243 NaN 0.419766 NaN 0.380097 NaN frac of ind that is adult
L_bi cm 0.222045 NaN 0.0463866 NaN 0.0419708 NaN mean structural length of post-natals
L2_bi cm^2 0.0576383 NaN 0.00553121 NaN 0.00479029 NaN mean squared structural length of post-natals
L3_bi cm^3 0.015731 NaN 0.000967832 NaN 0.000834979 NaN mean cubed structural length of post-natals
Ww_bi g 0.0159444 NaN 0.000999714 NaN 0.000878663 NaN mean wet weight of post-natals
L_pi cm 0.235519 NaN 0.0949445 NaN 0.0915808 NaN mean structural length of adults
L2_pi cm^2 0.0613149 NaN 0.012719 NaN 0.0119732 NaN mean squared structural length of adults
L3_pi cm^3 0.0167374 NaN 0.00225518 NaN 0.00212045 NaN mean cubed structural length of adults
Ww_pi g 0.0169644 NaN 0.00232948 NaN 0.00223139 NaN mean wet weight of adults
R 1/d 0 NaN 0 NaN 0 NaN mean reproduction rate of adults
J_X g/d 0.000170041 NaN 3.98597e-05 NaN 5.49159e-05 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 0.448545 NaN 0.490117 NaN yield of living structure on food
Y_VX_d mol/mol 0.0823486 NaN 0.00047086 NaN 0.000152441 NaN yield of dead structure on food
Y_EX mol/mol 0 NaN 0.0147763 NaN 0.0256417 NaN yield of living reserve on food
Y_EX_d mol/mol 0.00111729 NaN 1.55114e-05 NaN 7.97531e-06 NaN yield of dead reserve on food
Y_CX mol/mol 0.807159 NaN 0.426818 NaN 0.374706 NaN yield of CO2 on food
Y_HX mol/mol 0.585639 NaN 0.30968 NaN 0.27187 NaN yield of H2O on food
Y_OX mol/mol -0.877785 NaN -0.464164 NaN -0.407493 NaN yield of O2 on food
Y_NX mol/mol 0.121074 NaN 0.0640226 NaN 0.0562059 NaN yield of N-waste on food
mu_TX J/mol 430711 NaN 239857 NaN 213258 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