Xenosaurus grandis: Population traits

at T = 22.7 °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_min f_max date: 2025/05/19
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.827359 0.827359 NaN NaN 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00058791 0.00058791 NaN NaN spec pop growth rate
t2 d NaN NaN NaN NaN 1179 1179 NaN NaN population doubling time
a_b d 261.454 261.454 NaN NaN 253.135 253.135 NaN NaN age at birth
t_p d 1485.02 1264.11 NaN NaN 967.351 850.512 NaN NaN time since birth at puberty
S_b - 0.998557 0.998557 NaN NaN 0.998683 0.998683 NaN NaN survival probability at birth
S_p - 0.990341 0.990341 NaN NaN 0.991619 0.991619 NaN NaN survival probability at puberty
theta_0b - 0.0974506 0.0974506 NaN NaN 0.18015 0.18015 NaN NaN frac of ind that is embryo
theta_bp - 0.0970964 0.0970964 NaN NaN 0.154736 0.154736 NaN NaN fraction of individuals that is juvenile
theta_pi - 0.805453 0.805453 NaN NaN 0.665114 0.665114 NaN NaN frac of ind that is adult
L_bi cm 1.45365 1.45365 NaN NaN 1.48686 1.48686 NaN NaN mean structural length of post-natals
L2_bi cm^2 2.18343 2.18343 NaN NaN 2.33808 2.33808 NaN NaN mean squared structural length of post-natals
L3_bi cm^3 3.36969 3.36969 NaN NaN 3.85832 3.85832 NaN NaN mean cubed structural length of post-natals
Ww_bi g 6.17245 6.17245 NaN NaN 7.73716 7.73716 NaN NaN mean wet weight of post-natals
L_pi cm 1.51223 1.51223 NaN NaN 1.60213 1.60213 NaN NaN mean structural length of adults
L2_pi cm^2 2.33341 2.33341 NaN NaN 2.65233 2.65233 NaN NaN mean squared structural length of adults
L3_pi cm^3 3.66567 3.66567 NaN NaN 4.52614 4.52614 NaN NaN mean cubed structural length of adults
Ww_pi g 6.71462 6.71462 NaN NaN 9.07635 9.07635 NaN NaN mean wet weight of adults
R 1/d 0.000563967 0.00100253 NaN NaN 0.00184832 0.00226847 NaN NaN mean reproduction rate of adults
J_X g/d 0.032976 0.032976 NaN NaN 0.0426799 0.0426799 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 0.0531479 0.0531479 NaN NaN yield of living structure on food
Y_VX_d mol/mol 0.0605151 0.0605151 NaN NaN 0.0337371 0.0337371 NaN NaN yield of dead structure on food
Y_EX mol/mol 0 0 NaN NaN 0.0534304 0.0534304 NaN NaN yield of living reserve on food
Y_EX_d mol/mol 0.0503339 0.0503339 NaN NaN 0.0339164 0.0339164 NaN NaN yield of dead reserve on food
Y_CX mol/mol 0.633568 0.633568 NaN NaN 0.58207 0.58207 NaN NaN yield of CO2 on food
Y_HX mol/mol 0.67364 0.67364 NaN NaN 0.618884 0.618884 NaN NaN yield of H2O on food
Y_OX mol/mol -0.804144 -0.804144 NaN NaN -0.738781 -0.738781 NaN NaN yield of O2 on food
Y_NX mol/mol 0.146208 0.146208 NaN NaN 0.134324 0.134324 NaN NaN yield of N-waste on food
mu_TX J/mol 407424 407424 NaN NaN 374462 374462 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