Amphisbaena alba: Population traits

at T = 26 °C with background hazards for embryo, juv, adult: 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 std f_minf f_max date: 2022/12/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.603646 0.643057 0.821529 0.821529 1 1 scaled functional response
r 1/d 0 0 0.00140101 0.000407196 0.00198886 0.000601053 spec pop growth rate
t2 d NaN NaN 494.747 1702.24 348.515 1153.22 population doubling time
a_b d 148.676 147.124 141.502 141.502 137.438 137.438 age at birth
t_p d 4393.63 2585.37 1302.76 1302.76 960.305 960.305 time since birth at puberty
S_b - 0.999978 0.999978 0.999981 0.999981 0.999982 0.999982 survival probability at birth
S_p - 0.999866 0.594783 0.99989 0.535896 0.999902 0.494322 survival probability at puberty
theta_0b - 0.0222727 0.138817 0.18042 0.282827 0.239407 0.345781 frac of ind that is embryo
theta_bp - 0.0222867 0.106524 0.148033 0.194962 0.182204 0.223654 fraction of individuals that is juvenile
theta_pi - 0.955441 0.754659 0.671547 0.522212 0.578389 0.430565 frac of ind that is adult
L_bi cm 3.65767 3.28383 2.87433 2.86984 2.809 2.78702 mean structural length of post-natals
L2_bi cm^2 13.8344 11.9605 9.42098 10.0004 9.20261 9.82642 mean squared structural length of post-natals
L3_bi cm^3 53.4004 46.3556 34.3006 40.3425 34.3799 42.1201 mean cubed structural length of post-natals
Ww_bi g 88.845 79.133 65.2854 76.785 72.183 88.4342 mean wet weight of post-natals
L_pi cm 3.70864 3.54021 3.17236 3.37999 3.20407 3.43909 mean structural length of adults
L2_pi cm^2 14.1063 13.3431 10.9827 12.8833 11.3322 13.6994 mean squared structural length of adults
L3_pi cm^3 54.5705 52.4452 41.0653 54.1042 43.9896 62.0739 mean cubed structural length of adults
Ww_pi g 90.7917 89.5285 78.1608 102.978 92.3593 130.328 mean wet weight of adults
R 1/d 0 0 0 0 0 0.00212316 mean reproduction rate of adults
J_X g/d 0.422805 0.3894 0.391846 0.415946 0.465916 0.497499 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 0.122639 0.0394939 0.146758 0.0508874 yield of living structure on food
Y_VX_d mol/mol 0.024754 0.0489216 0.00142618 0.0676993 0.000684664 0.0787749 yield of dead structure on food
Y_EX mol/mol 0 0 0.110783 0.0356759 0.16137 0.0559542 yield of living reserve on food
Y_EX_d mol/mol 0.0164305 0.0345918 0.00128831 0.0611547 0.000752836 0.0866186 yield of dead reserve on food
Y_CX mol/mol 0.69017 0.655778 0.531772 0.557863 0.472111 0.502442 yield of CO2 on food
Y_HX mol/mol 0.733822 0.697255 0.565405 0.593147 0.501971 0.53422 yield of H2O on food
Y_OX mol/mol -0.875986 -0.832334 -0.674941 -0.708058 -0.599218 -0.637715 yield of O2 on food
Y_NX mol/mol 0.15927 0.151333 0.122717 0.128738 0.108949 0.115948 yield of N-waste on food
mu_TX J/mol 443314 421629 342839 359364 304294 323596 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