Panthera leo: Population traits

at T = 37.9 °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_min f_max date: 2023/04/12
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.935255 0.935255 0.968384 0.968384 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00109889 0.00109889 9.61936e-05 9.61936e-05 spec pop growth rate
t2 d NaN NaN NaN NaN 630.772 630.772 7205.75 7205.75 population doubling time
a_b d 63.9437 63.9437 63.9437 63.9437 63.9437 63.9437 63.9437 63.9437 age at birth
t_x d 2409.97 925.451 1289.04 843.067 1077.48 785.231 1077.48 785.231 time since birth at weaning
t_p d 225.034 209.57 219.715 205.313 215.141 201.628 215.141 201.628 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_x - 1 1 0.39704 0.381237 1 1 0.392196 0.376922 survival probability at weaning
S_p - 0.999927 0.999998 0.0450858 0.0432602 0.999997 0.999999 0.0445025 0.0427975 survival probability at puberty
theta_0b - 0.00531141 0.00487883 0.101291 0.111997 0.0678613 0.0678594 0.154513 0.172113 frac of ind that is embryo
theta_bx - 0.0053113 0.00487874 0.063022 0.0683211 0.0632553 0.0632537 0.0950224 0.103827 fraction of individuals that is baby
theta_xp - 0.194863 0.0657308 0.163687 0.130201 0.583659 0.475603 0.209985 0.18217 fraction of individuals that is juvenile
theta_pi - 0.794514 0.924512 0.672 0.68948 0.285224 0.393284 0.54048 0.54189 frac of ind that is adult
L_bi cm 27.518 30.6675 25.9573 28.4944 22.8445 24.7396 24.8031 26.8053 mean structural length of post-natals
L2_bi cm^2 764.474 950.03 719.265 877.386 572.428 679.35 683.8 816.463 mean squared structural length of post-natals
L3_bi cm^3 21336.2 29570.6 20438.6 27784 15107.3 19757.2 19674.2 26117.9 mean cubed structural length of post-natals
Ww_bi g 119559 181400 117862 175494 89469.9 128223 116516 169503 mean wet weight of post-natals
L_pi cm 28.2122 31.3771 29.1802 32.4335 29.6841 32.1924 30.0638 33.3258 mean structural length of adults
L2_pi cm^2 795.93 984.637 851.499 1052.19 881.367 1038.14 903.909 1111.28 mean squared structural length of adults
L3_pi cm^3 22454.9 30901.9 24847.7 34142 26175.6 33534 27179.4 37077 mean cubed structural length of adults
Ww_pi g 125829 189567 143288 215653 155019 217633 160964 240627 mean wet weight of adults
R 1/d 0.000104184 0.00763928 0.00235683 0.0102713 0.00359155 0.00970128 0.0044569 0.0125462 mean reproduction rate of adults
J_X g/d 1303.44 1806.61 1269.8 1727.57 1043.56 1381.31 1246.6 1660.1 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 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 0 0 0 0.0159082 0.0157177 0.00151816 0.00151339 yield of living structure on food
Y_VX_d mol/mol 0.0014388 0.00132234 0.00381256 0.00355515 2.2859e-06 1.55676e-06 0.0047763 0.00455753 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.078305 0.0862889 0.00747281 0.00830841 yield of living reserve on food
Y_EX_d mol/mol 0.00662368 0.00678954 0.0181732 0.0189004 1.12519e-05 8.5465e-06 0.0235103 0.0250205 yield of dead reserve on food
Y_CX mol/mol 0.81637 0.816325 0.803491 0.803057 0.736668 0.729463 0.789346 0.787383 yield of CO2 on food
Y_HX mol/mol 0.696244 0.696205 0.68526 0.684889 0.62827 0.622124 0.673196 0.671522 yield of H2O on food
Y_OX mol/mol -0.959787 -0.959733 -0.944645 -0.944134 -0.866083 -0.857611 -0.928015 -0.925707 yield of O2 on food
Y_NX mol/mol 0.0661922 0.0661885 0.0651479 0.0651127 0.0597299 0.0591456 0.0640011 0.0638419 yield of N-waste on food
mu_TX J/mol 460062 460030 452650 452383 414184 409961 444504 443345 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