Hippotragus niger: Population traits

at T = 36.5 °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_min f_max date: 2023/04/14
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.869274 0.869274 0.883471 0.883471 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00100249 0.00100249 0.000400709 0.000400709 spec pop growth rate
t2 d NaN NaN NaN NaN 691.422 691.422 1729.8 1729.8 population doubling time
a_b d 190.131 NaN 190.131 NaN 190.131 NaN 190.131 NaN age at birth
t_x d 1827 NaN 1363.28 NaN 726.558 NaN 726.558 NaN time since birth at weaning
t_p d 222.546 NaN 218.185 NaN 191.79 NaN 191.79 NaN time since birth at puberty
S_b - 1 NaN 1 NaN 1 NaN 1 NaN survival probability at birth
S_x - 0.999999 NaN 0.579427 NaN 0.999999 NaN 0.532265 NaN survival probability at weaning
S_p - 0.999579 NaN 0.300608 NaN 0.999978 NaN 0.285456 NaN survival probability at puberty
theta_0b - 0.0177333 NaN 0.056542 NaN 0.173699 NaN 0.216689 NaN frac of ind that is embryo
theta_bx - 0.017732 NaN 0.0421597 NaN 0.143545 NaN 0.143954 NaN fraction of individuals that is baby
theta_xp - 0.152641 NaN 0.127246 NaN 0.284345 NaN 0.182375 NaN fraction of individuals that is juvenile
theta_pi - 0.811894 NaN 0.774053 NaN 0.398411 NaN 0.456983 NaN frac of ind that is adult
L_bi cm 23.4561 NaN 23.4757 NaN 22.899 NaN 23.508 NaN mean structural length of post-natals
L2_bi cm^2 552.287 NaN 555.816 NaN 542.572 NaN 574.269 NaN mean squared structural length of post-natals
L3_bi cm^3 13039.3 NaN 13237.1 NaN 13202.9 NaN 14428.5 NaN mean cubed structural length of post-natals
Ww_bi g 111487 NaN 114810 NaN 127877 NaN 139746 NaN mean wet weight of post-natals
L_pi cm 23.8717 NaN 24.2476 NaN 26.5155 NaN 26.9289 NaN mean structural length of adults
L2_pi cm^2 569.857 NaN 587.948 NaN 703.86 NaN 725.781 NaN mean squared structural length of adults
L3_pi cm^3 13603.5 NaN 14256.5 NaN 18704.6 NaN 19576.9 NaN mean cubed structural length of adults
Ww_pi g 116310 NaN 123652 NaN 181163 NaN 189612 NaN mean wet weight of adults
R 1/d 0.000114743 NaN 0.000383629 NaN 0.00208126 NaN 0.00239947 NaN mean reproduction rate of adults
J_X g/d 1126.4 NaN 1152.11 NaN 1273 NaN 1347.37 NaN mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 NaN 0.109375 NaN 0.109375 NaN 0.109375 NaN yield of faeces on food
Y_VX mol/mol 0 NaN 0 NaN 0.0103974 NaN 0.00429104 NaN yield of living structure on food
Y_VX_d mol/mol 0.00114747 NaN 0.0021815 NaN 1.66281e-05 NaN 0.00450021 NaN yield of dead structure on food
Y_EX mol/mol 0 NaN 0 NaN 0.0903061 NaN 0.0372697 NaN yield of living reserve on food
Y_EX_d mol/mol 0.00866344 NaN 0.0167394 NaN 0.000144423 NaN 0.0390865 NaN yield of dead reserve on food
Y_CX mol/mol 0.814753 NaN 0.806326 NaN 0.730528 NaN 0.745067 NaN yield of CO2 on food
Y_HX mol/mol 0.694864 NaN 0.687678 NaN 0.623033 NaN 0.635432 NaN yield of H2O on food
Y_OX mol/mol -0.957885 NaN -0.947978 NaN -0.858865 NaN -0.875957 NaN yield of O2 on food
Y_NX mol/mol 0.0660611 NaN 0.0653778 NaN 0.059232 NaN 0.0604108 NaN yield of N-waste on food
mu_TX J/mol 459102 NaN 454226 NaN 410319 NaN 418738 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