Okapia johnstoni: Population traits

at T = 38.1 °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: 2022/12/20
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.920532 0.920532 0.936218 0.936218 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.0010791 0.0010791 0.000255771 0.000255771 spec pop growth rate
t2 d NaN NaN NaN NaN 642.337 642.337 2710.03 2710.03 population doubling time
a_b d 46.6371 NaN 46.6371 NaN 46.6371 NaN 46.6371 NaN age at birth
t_x d 1252.49 NaN 861.238 NaN 555.207 NaN 555.207 NaN time since birth at weaning
t_p d 179.946 NaN 175.434 NaN 159.997 NaN 159.997 NaN time since birth at puberty
S_b - 1 NaN 1 NaN 1 NaN 1 NaN survival probability at birth
S_x - 1 NaN 0.621107 NaN 1 NaN 0.600166 NaN survival probability at weaning
S_p - 0.999825 NaN 0.170481 NaN 0.999987 NaN 0.164163 NaN survival probability at puberty
theta_0b - 0.00349706 NaN 0.0201616 NaN 0.0491113 NaN 0.0704404 NaN frac of ind that is embryo
theta_bx - 0.00349701 NaN 0.0157613 NaN 0.0467003 NaN 0.0535002 NaN fraction of individuals that is baby
theta_xp - 0.0904149 NaN 0.0840781 NaN 0.382146 NaN 0.182501 NaN fraction of individuals that is juvenile
theta_pi - 0.902591 NaN 0.879999 NaN 0.522042 NaN 0.693558 NaN frac of ind that is adult
L_bi cm 45.9764 NaN 46.0827 NaN 44.1067 NaN 46.0655 NaN mean structural length of post-natals
L2_bi cm^2 2119.92 NaN 2143.06 NaN 2015.34 NaN 2194.01 NaN mean squared structural length of post-natals
L3_bi cm^3 97920.6 NaN 100176 NaN 94263.6 NaN 106532 NaN mean cubed structural length of post-natals
Ww_bi g 214373 NaN 221340 NaN 216044 NaN 244162 NaN mean wet weight of post-natals
L_pi cm 46.4379 NaN 47.2191 NaN 49.8446 NaN 50.2566 NaN mean structural length of adults
L2_pi cm^2 2156.48 NaN 2229.65 NaN 2485.12 NaN 2525.99 NaN mean squared structural length of adults
L3_pi cm^3 100142 NaN 105282 NaN 123932 NaN 126973 NaN mean cubed structural length of adults
Ww_pi g 219236 NaN 232623 NaN 284043 NaN 291012 NaN mean wet weight of adults
R 1/d 8.30017e-05 NaN 0.000491142 NaN 0.00196666 NaN 0.00216463 NaN mean reproduction rate of adults
J_X g/d 16340.7 NaN 16800.6 NaN 16875.7 NaN 18371.8 NaN mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.65625 NaN 0.65625 NaN 0.65625 NaN 0.65625 NaN yield of faeces on food
Y_VX mol/mol 0 NaN 0 NaN 0.0060276 NaN 0.00148313 NaN yield of living structure on food
Y_VX_d mol/mol 0.000461195 NaN 0.00100301 NaN 5.21897e-06 NaN 0.00201526 NaN yield of dead structure on food
Y_EX mol/mol 0 NaN 0 NaN 0.00778716 NaN 0.00191608 NaN yield of living reserve on food
Y_EX_d mol/mol 0.000548476 NaN 0.00121316 NaN 6.74247e-06 NaN 0.00260355 NaN yield of dead reserve on food
Y_CX mol/mol 0.317035 NaN 0.315919 NaN 0.305179 NaN 0.310552 NaN yield of CO2 on food
Y_HX mol/mol 0.270384 NaN 0.269432 NaN 0.260273 NaN 0.264855 NaN yield of H2O on food
Y_OX mol/mol -0.37273 NaN -0.371418 NaN -0.358792 NaN -0.365109 NaN yield of O2 on food
Y_NX mol/mol 0.0257055 NaN 0.025615 NaN 0.0247442 NaN 0.0251799 NaN yield of N-waste on food
mu_TX J/mol 206332 NaN 205706 NaN 199678 NaN 202693 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