Kobus kob: Population traits

at T = 39.4 °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: 2025/07/14
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.725588 0.725588 0.731924 0.731924 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00164038 0.00164038 0.000711571 0.000711571 spec pop growth rate
t2 d NaN NaN NaN NaN 422.554 422.554 974.108 974.108 population doubling time
a_b d 91.227 91.227 91.227 NaN 91.227 91.227 91.227 91.227 age at birth
t_x d 1569.14 567.399 1300.47 NaN 379.172 293.886 379.172 293.886 time since birth at weaning
t_p d 280.479 222.1 275.075 NaN 166.204 145.144 166.204 145.144 time since birth at puberty
S_b - 1 1 1 NaN 1 1 1 1 survival probability at birth
S_x - 1 1 0.810591 NaN 1 1 0.683012 0.640379 survival probability at weaning
S_p - 0.999998 1 0.465233 NaN 1 1 0.377136 0.370467 survival probability at puberty
theta_0b - 0.00520253 0.0047116 0.0112934 NaN 0.138989 0.138989 0.163367 0.186088 frac of ind that is embryo
theta_bx - 0.00520248 0.00471154 0.0101209 NaN 0.11967 0.11967 0.125863 0.138765 fraction of individuals that is baby
theta_xp - 0.0842824 0.0245926 0.0803671 NaN 0.279084 0.209671 0.209241 0.167485 fraction of individuals that is juvenile
theta_pi - 0.905313 0.965984 0.898219 NaN 0.462256 0.531669 0.501529 0.507662 frac of ind that is adult
L_bi cm 22.0678 24.8356 22.1888 NaN 24.5346 26.6217 25.3311 27.2015 mean structural length of post-natals
L2_bi cm^2 487.458 617.686 493.163 NaN 623.429 742.245 667.903 782.91 mean squared structural length of post-natals
L3_bi cm^3 10775.8 15378.7 10975.2 NaN 16310.8 21479.7 18173.4 23523.4 mean cubed structural length of post-natals
Ww_bi g 19727.8 29773.3 20172.5 NaN 34985.8 49188.6 38980.8 53868.7 mean wet weight of post-natals
L_pi cm 22.2052 24.9809 22.397 NaN 28.2809 30.5893 29.104 31.7725 mean structural length of adults
L2_pi cm^2 493.073 624.082 501.628 NaN 802.961 943.932 850.059 1018.03 mean squared structural length of adults
L3_pi cm^3 10948.8 15592 11235 NaN 22884.4 29369.5 24910.3 32867 mean cubed structural length of adults
Ww_pi g 20044.6 30186.3 20650.1 NaN 49085.8 67256.4 53431.1 75265.6 mean wet weight of adults
R 1/d 6.2815e-05 0.00140586 0.000137647 NaN 0.00305542 0.00465982 0.00345586 0.00533217 mean reproduction rate of adults
J_X g/d 264.455 377.564 269.886 NaN 466.134 625.287 499.387 659.544 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 0.109375 0.109375 NaN 0.109375 0.109375 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 0 0 NaN 0.0573996 0.0563497 0.025895 0.025379 yield of living structure on food
Y_VX_d mol/mol 0.00237389 0.00215271 0.00393386 NaN 4.12753e-07 2.10407e-07 0.0230687 0.0252209 yield of dead structure on food
Y_EX mol/mol 0 0 0 NaN 0.0657192 0.0726915 0.0296483 0.0327391 yield of living reserve on food
Y_EX_d mol/mol 0.00197213 0.00201497 0.00329661 NaN 4.72578e-07 2.71427e-07 0.0264123 0.0325352 yield of dead reserve on food
Y_CX mol/mol 0.819808 0.819973 0.81714 NaN 0.709942 0.704465 0.726681 0.716645 yield of CO2 on food
Y_HX mol/mol 0.699176 0.699316 0.6969 NaN 0.605476 0.600805 0.619752 0.611192 yield of H2O on food
Y_OX mol/mol -0.963828 -0.964022 -0.960692 NaN -0.834662 -0.828222 -0.854341 -0.842542 yield of O2 on food
Y_NX mol/mol 0.0664709 0.0664843 0.0662546 NaN 0.0575629 0.0571187 0.05892 0.0581063 yield of N-waste on food
mu_TX J/mol 462119 462204 460637 NaN 400631 397376 409997 404210 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