Atherurus africanus: Population traits

at T = 37.5 °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 - 0.94347 0.946244 0.973122 0.973122 1 1 scaled functional response
r 1/d 0 0 0.00224219 0.00072315 0.00333594 0.00117423 spec pop growth rate
t2 d NaN NaN 309.139 958.51 207.782 590.301 population doubling time
a_b d 13.8871 13.8871 13.8871 13.8871 13.8871 13.8871 age at birth
t_x d 912.48 706.032 441.923 441.923 366.467 366.467 time since birth at weaning
t_p d 135.305 134.576 128.004 128.004 122.208 122.208 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_x - 1 0.713023 1 0.704407 1 0.696092 survival probability at weaning
S_p - 0.999967 0.171368 0.999997 0.164297 0.999998 0.158477 survival probability at puberty
theta_0b - 0.00148375 0.00844033 0.0306587 0.0509169 0.0452702 0.0775911 frac of ind that is embryo
theta_bx - 0.00148374 0.00709916 0.0297187 0.0421494 0.0432207 0.0634579 fraction of individuals that is baby
theta_xp - 0.0960079 0.0902024 0.579773 0.316349 0.630356 0.387172 fraction of individuals that is juvenile
theta_pi - 0.901025 0.894258 0.35985 0.590585 0.281153 0.471779 frac of ind that is adult
L_bi cm 10.6853 10.6242 9.87003 10.1023 9.64143 9.8487 mean structural length of post-natals
L2_bi cm^2 114.382 113.497 100.383 105.406 96.844 101.817 mean squared structural length of post-natals
L3_bi cm^3 1225.78 1216.26 1041.61 1121.41 1000.69 1085.09 mean cubed structural length of post-natals
Ww_bi g 2080.55 2066.88 1790.78 1927.97 1740.31 1887.09 mean wet weight of post-natals
L_pi cm 10.7523 10.7839 11.0752 11.0846 11.349 11.3763 mean structural length of adults
L2_pi cm^2 115.613 116.293 122.66 122.87 128.803 129.421 mean squared structural length of adults
L3_pi cm^3 1243.11 1254.09 1358.49 1361.97 1461.85 1472.36 mean cubed structural length of adults
Ww_pi g 2109.96 2131.17 2335.57 2341.56 2542.31 2560.6 mean wet weight of adults
R 1/d 0.000117315 0.000680047 0.0060388 0.00617706 0.0113308 0.0117467 mean reproduction rate of adults
J_X g/d 100.682 100.196 91.1361 95.6972 90.3518 94.9919 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 0.0256264 0.00847407 0.0369471 0.0134132 yield of living structure on food
Y_VX_d mol/mol 0.00132114 0.00285346 1.10352e-06 0.00991745 4.30733e-07 0.0156107 yield of dead structure on food
Y_EX mol/mol 0 0 0.0184316 0.00609491 0.0273079 0.00991378 yield of living reserve on food
Y_EX_d mol/mol 0.000921267 0.00199564 7.93701e-07 0.00713305 3.18358e-07 0.011538 yield of dead reserve on food
Y_CX mol/mol 0.821754 0.819343 0.783073 0.79458 0.764392 0.777138 yield of CO2 on food
Y_HX mol/mol 0.700835 0.698779 0.667846 0.67766 0.651913 0.662785 yield of H2O on food
Y_OX mol/mol -0.966116 -0.963281 -0.92064 -0.934168 -0.898677 -0.913662 yield of O2 on food
Y_NX mol/mol 0.0666287 0.0664332 0.0634924 0.0644254 0.0619777 0.0630112 yield of N-waste on food
mu_TX J/mol 463204 461871 441802 448169 431445 438502 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