Heterocephalus glaber: Population traits

at T = 32.1 °C with background hazards for embryo, baby, 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 stx f_minf f_max date: 2022/12/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.930215 0.931103 0.965552 0.965552 1 1 scaled functional response
r 1/d 0 0 0.00346582 0.00140855 0.00524512 0.00225506 spec pop growth rate
t2 d NaN NaN 199.995 492.101 132.151 307.374 population doubling time
a_b d 8.76957 8.76957 8.76957 8.76957 8.76957 8.76957 age at birth
t_x d 1323.73 1035.21 458.754 458.754 357.419 357.419 time since birth at weaning
t_p d 31.5478 31.5163 30.3581 30.3581 29.3121 29.3121 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_x - 1 0.685794 1 0.674325 1 0.663422 survival probability at weaning
S_p - 0.999999 0.169989 1 0.158133 1 0.147728 survival probability at puberty
theta_0b - 0.000693796 0.00403513 0.0299366 0.0622617 0.0449557 0.0940603 frac of ind that is embryo
theta_bx - 0.000693794 0.00332514 0.0290403 0.0502641 0.0429346 0.0747717 fraction of individuals that is baby
theta_xp - 0.104031 0.087721 0.743194 0.472492 0.765606 0.521096 fraction of individuals that is juvenile
theta_pi - 0.894581 0.904919 0.197829 0.414982 0.146504 0.310072 frac of ind that is adult
L_bi cm 2.41749 2.41095 2.2676 2.27128 2.2346 2.22062 mean structural length of post-natals
L2_bi cm^2 5.84868 5.82633 5.28527 5.34484 5.19249 5.20116 mean squared structural length of post-natals
L3_bi cm^3 14.1564 14.0984 12.5433 12.8495 12.3886 12.5966 mean cubed structural length of post-natals
Ww_bi g 26.9404 26.8422 24.3008 24.894 24.4155 24.8255 mean wet weight of post-natals
L_pi cm 2.42377 2.42608 2.51577 2.51581 2.60487 2.60524 mean structural length of adults
L2_pi cm^2 5.87465 5.88588 6.32908 6.32929 6.78537 6.78728 mean squared structural length of adults
L3_pi cm^3 14.2388 14.2796 15.9225 15.9233 17.675 17.6825 mean cubed structural length of adults
Ww_pi g 27.0972 27.1872 30.8476 30.8491 34.834 34.8487 mean wet weight of adults
R 1/d 9.22001e-05 0.000507313 0.0169969 0.017003 0.0341911 0.0342502 mean reproduction rate of adults
J_X g/d 2.3667 2.35991 2.21996 2.24498 2.2588 2.26258 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 0.0195826 0.00806201 0.0287673 0.0125548 yield of living structure on food
Y_VX_d mol/mol 0.000476302 0.00103375 8.28129e-10 0.00941534 3.12966e-10 0.0147391 yield of dead structure on food
Y_EX mol/mol 0 0 0.0183559 0.00755699 0.0279274 0.0121882 yield of living reserve on food
Y_EX_d mol/mol 0.000430126 0.000934423 7.76253e-10 0.00882554 3.03827e-10 0.0143087 yield of dead reserve on food
Y_CX mol/mol 0.82299 0.822008 0.788735 0.792508 0.771386 0.774072 yield of CO2 on food
Y_HX mol/mol 0.701889 0.701051 0.672675 0.675892 0.657878 0.660169 yield of H2O on food
Y_OX mol/mol -0.967569 -0.966414 -0.927296 -0.931732 -0.906899 -0.910057 yield of O2 on food
Y_NX mol/mol 0.0667289 0.0666493 0.0639515 0.0642574 0.0625448 0.0627626 yield of N-waste on food
mu_TX J/mol 463884 463338 444811 446912 435126 436623 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