Aepyceros melampus: Population traits

at T = 39.5 °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: 2023/04/13
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.928157 0.928157 0.933778 0.933778 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00156571 0.00156571 0.000787011 0.000787011 spec pop growth rate
t2 d NaN NaN NaN NaN 442.706 442.706 880.734 880.734 population doubling time
a_b d 95.1164 95.1164 95.1164 95.1164 95.1164 95.1164 95.1164 95.1164 age at birth
t_x d 1649.35 882.18 1299.17 837.792 669.139 576.792 669.139 576.792 time since birth at weaning
t_p d 156.324 147.77 154.68 146.325 138.462 131.938 138.462 131.938 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_x - 1 1 0.680446 0.666806 1 1 0.652648 0.6398 survival probability at weaning
S_p - 0.999747 0.999974 0.306885 0.303806 0.999988 0.999993 0.300729 0.298045 survival probability at puberty
theta_0b - 0.0139841 0.0136209 0.0425193 0.0440032 0.138416 0.13841 0.180556 0.187204 frac of ind that is embryo
theta_bx - 0.0139834 0.0136203 0.0347371 0.0355759 0.119258 0.119253 0.134316 0.137863 fraction of individuals that is baby
theta_xp - 0.22848 0.112703 0.200873 0.134899 0.440331 0.393286 0.321149 0.288849 fraction of individuals that is juvenile
theta_pi - 0.743553 0.860055 0.721871 0.785522 0.301994 0.349052 0.363979 0.386083 frac of ind that is adult
L_bi cm 19.614 20.2606 19.4189 20.0255 18.0134 18.4456 18.2207 18.6042 mean structural length of post-natals
L2_bi cm^2 386.42 412.454 380.556 405.133 334.322 351.512 343.838 359.887 mean squared structural length of post-natals
L3_bi cm^3 7637.27 8424.89 7505.95 8254.07 6358 6877.36 6669.8 7176.67 mean cubed structural length of post-natals
Ww_bi g 30769.2 34801.4 30377.8 34252.3 27105.8 30075.5 28435.1 31384.4 mean wet weight of post-natals
L_pi cm 20.0326 20.6769 20.1479 20.795 21.1183 21.6202 21.2839 21.857 mean structural length of adults
L2_pi cm^2 401.303 427.543 405.939 432.444 446.149 467.793 453.15 478.047 mean squared structural length of adults
L3_pi cm^3 8039.13 8840.62 8178.85 8993.21 9428.98 10129.3 9650.88 10462.3 mean cubed structural length of adults
Ww_pi g 32388.2 36518.7 33101.1 37319.5 40198.2 44296.4 41144.2 45753 mean wet weight of adults
R 1/d 0.000197722 0.00257613 0.000617732 0.00302215 0.0044685 0.00652226 0.00502131 0.00734419 mean reproduction rate of adults
J_X g/d 535.789 591.139 530.854 584.163 499.434 542.791 513.649 555.724 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 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 0 0 0 0.0199321 0.019838 0.0102194 0.0101635 yield of living structure on food
Y_VX_d mol/mol 0.00223809 0.0021814 0.00413811 0.00410493 1.17102e-05 1.02648e-05 0.009046 0.00928898 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.0650435 0.066916 0.0333486 0.0342827 yield of living reserve on food
Y_EX_d mol/mol 0.00677875 0.00682948 0.0126095 0.0129295 3.82135e-05 3.46243e-05 0.0295194 0.0313328 yield of dead reserve on food
Y_CX mol/mol 0.815488 0.815493 0.808337 0.808071 0.74518 0.743539 0.747855 0.74514 yield of CO2 on food
Y_HX mol/mol 0.695491 0.695496 0.689392 0.689166 0.635529 0.634129 0.63781 0.635495 yield of H2O on food
Y_OX mol/mol -0.958749 -0.958755 -0.950342 -0.95003 -0.876089 -0.874161 -0.879234 -0.876043 yield of O2 on food
Y_NX mol/mol 0.0661206 0.0661211 0.0655408 0.0655193 0.06042 0.060287 0.0606369 0.0604168 yield of N-waste on food
mu_TX J/mol 459586 459586 455500 455343 419362 418398 420892 419314 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