Gerbillus andersoni: Population traits

at T = 35.2 °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: 2025/11/25
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.78693 0.790108 0.895054 0.895054 1 1 scaled functional response
r 1/d 0 0 0.0073418 0.00413723 0.0115049 0.00619573 spec pop growth rate
t2 d NaN NaN 94.4111 167.539 60.2481 111.875 population doubling time
a_b d 21.4898 21.4898 21.4898 21.4898 21.4898 21.4898 age at birth
t_x d 677.728 559.531 206.489 206.489 151.588 151.588 time since birth at weaning
t_p d 30.0189 29.914 27.1199 27.1199 25.2075 25.2075 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_x - 0.999999 0.642173 0.999999 0.585459 0.999999 0.542661 survival probability at weaning
S_p - 0.986186 0.369853 0.999723 0.294089 0.999904 0.247081 survival probability at puberty
theta_0b - 0.00927008 0.0240065 0.146033 0.203642 0.219068 0.292782 frac of ind that is embryo
theta_bx - 0.00927001 0.0188942 0.124717 0.140338 0.171082 0.186219 fraction of individuals that is baby
theta_xp - 0.282116 0.234202 0.542102 0.387146 0.473404 0.331692 fraction of individuals that is juvenile
theta_pi - 0.699343 0.722897 0.187148 0.268874 0.136446 0.189307 frac of ind that is adult
L_bi cm 1.21547 1.21478 1.22429 1.22578 1.25066 1.25021 mean structural length of post-natals
L2_bi cm^2 1.47943 1.47956 1.53275 1.54318 1.62264 1.6356 mean squared structural length of post-natals
L3_bi cm^3 1.80257 1.80549 1.95331 1.98329 2.16937 2.21874 mean cubed structural length of post-natals
Ww_bi g 15.2109 15.2898 18.4793 18.763 22.6754 23.1914 mean wet weight of post-natals
L_pi cm 1.22446 1.22941 1.39034 1.39118 1.53846 1.54431 mean structural length of adults
L2_pi cm^2 1.49931 1.51144 1.93306 1.9354 2.36705 2.38505 mean squared structural length of adults
L3_pi cm^3 1.83585 1.85818 2.68763 2.69251 3.64221 3.68379 mean cubed structural length of adults
Ww_pi g 15.4917 15.736 25.4264 25.4725 38.0702 38.5049 mean wet weight of adults
R 1/d 0.000614859 0.00154407 0.0335207 0.0336984 0.065862 0.0672822 mean reproduction rate of adults
J_X g/d 1.50981 1.51605 1.77917 1.79127 2.10434 2.12116 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 0.00806039 0.00458075 0.0118604 0.00648077 yield of living structure on food
Y_VX_d mol/mol 0.000529416 0.000930066 6.58303e-06 0.00384765 2.54241e-06 0.00580595 yield of dead structure on food
Y_EX mol/mol 0 0 0.068195 0.0387555 0.112111 0.0612596 yield of living reserve on food
Y_EX_d mol/mol 0.00393804 0.00694621 5.56958e-05 0.0325531 2.40322e-05 0.0548809 yield of dead reserve on food
Y_CX mol/mol 0.819696 0.816543 0.753234 0.750071 0.70913 0.705033 yield of CO2 on food
Y_HX mol/mol 0.69908 0.696391 0.642398 0.639701 0.604784 0.601289 yield of H2O on food
Y_OX mol/mol -0.963696 -0.959989 -0.885559 -0.881841 -0.833707 -0.82889 yield of O2 on food
Y_NX mol/mol 0.0664618 0.0662062 0.061073 0.0608166 0.057497 0.0571648 yield of N-waste on food
mu_TX J/mol 461961 460137 423478 421646 397880 395505 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