Kobus ellipsiprymnus: Population traits

at T = 38.7 °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: 2025/07/15
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.810008 0.810008 0.822287 0.822287 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.000950536 0.000950536 0.000367081 0.000367081 spec pop growth rate
t2 d NaN NaN NaN NaN 729.217 729.217 1888.27 1888.27 population doubling time
a_b d 213.223 213.223 213.223 NaN 213.223 213.223 213.223 213.223 age at birth
t_x d 2440.83 1227.08 1817 NaN 781.155 687.889 781.155 687.889 time since birth at weaning
t_p d 249.927 230.434 245.148 NaN 199.793 189.072 199.793 189.072 time since birth at puberty
S_b - 1 1 1 NaN 1 1 1 1 survival probability at birth
S_x - 1 1 0.610463 NaN 1 1 0.537924 0.516838 survival probability at weaning
S_p - 0.999822 0.999982 0.297428 NaN 0.999995 0.999997 0.277034 0.271706 survival probability at puberty
theta_0b - 0.0123046 0.0117503 0.0404751 NaN 0.183491 0.183487 0.229905 0.245239 frac of ind that is embryo
theta_bx - 0.0123039 0.0117495 0.0311206 NaN 0.14982 0.149816 0.153855 0.160878 fraction of individuals that is baby
theta_xp - 0.128537 0.0558676 0.111368 NaN 0.278172 0.242137 0.182736 0.162221 fraction of individuals that is juvenile
theta_pi - 0.846855 0.920633 0.817036 NaN 0.388516 0.424559 0.433504 0.431663 frac of ind that is adult
L_bi cm 25.6926 27.4368 25.7522 NaN 25.4366 26.5813 26.2946 27.3244 mean structural length of post-natals
L2_bi cm^2 662.188 755.545 667.917 NaN 676.181 743.395 727.98 794.331 mean squared structural length of post-natals
L3_bi cm^3 17105 20858.3 17407.7 NaN 18610.4 21625.7 20928.5 24143.7 mean cubed structural length of post-natals
Ww_bi g 77395.3 99460.3 79695.3 NaN 99592.9 122235 111998 136467 mean wet weight of post-natals
L_pi cm 26.0618 27.8155 26.4454 NaN 30.2251 31.6271 31.0475 32.7249 mean structural length of adults
L2_pi cm^2 679.215 773.739 699.363 NaN 916.008 1004.92 966.086 1075.21 mean squared structural length of adults
L3_pi cm^3 17701.6 21524 18495.1 NaN 27832.8 32072.1 30123.3 35456.5 mean cubed structural length of adults
Ww_pi g 80094.6 102635 84673.5 NaN 148946 181280 161204 200411 mean wet weight of adults
R 1/d 6.80459e-05 0.000834671 0.000231995 NaN 0.00199798 0.00269673 0.00239087 0.00325727 mean reproduction rate of adults
J_X g/d 610.367 744.563 624.981 NaN 769.456 904.422 828.399 966.392 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 0.0229901 0.0227283 0.00927383 0.00917089 yield of living structure on food
Y_VX_d mol/mol 0.00169525 0.00162088 0.00325181 NaN 6.76475e-06 5.69298e-06 0.00971316 0.0100496 yield of dead structure on food
Y_EX mol/mol 0 0 0 NaN 0.100041 0.105739 0.0403547 0.0426656 yield of living reserve on food
Y_EX_d mol/mol 0.00597528 0.0061081 0.0116355 NaN 2.94365e-05 2.64854e-05 0.0422664 0.0467534 yield of dead reserve on food
Y_CX mol/mol 0.816733 0.816679 0.810057 NaN 0.709991 0.704966 0.729841 0.723337 yield of CO2 on food
Y_HX mol/mol 0.696553 0.696507 0.69086 NaN 0.605518 0.601233 0.622447 0.6169 yield of H2O on food
Y_OX mol/mol -0.960213 -0.960149 -0.952365 NaN -0.834719 -0.828812 -0.858056 -0.850409 yield of O2 on food
Y_NX mol/mol 0.0662216 0.0662172 0.0656803 NaN 0.0575669 0.0571594 0.0591763 0.0586489 yield of N-waste on food
mu_TX J/mol 460287 460252 456462 NaN 398940 395989 410345 406554 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