Panthera tigris: Population traits

at T = 37.9 °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: 2023/03/16
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.925795 0.925795 0.984887 0.984887 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.000818446 0.000818446 2.94739e-05 2.94739e-05 spec pop growth rate
t2 d NaN NaN NaN NaN 846.906 846.906 23517.3 23517.3 population doubling time
a_b d 46.0663 46.0663 46.0663 46.0663 46.0663 46.0663 46.0663 46.0663 age at birth
t_x d 2696.35 6347.83 1287.09 1331.17 1193.16 1231.02 1193.16 1231.02 time since birth at weaning
t_p d 129.412 125.962 121.102 118.042 119.204 116.231 119.204 116.231 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_x - 1 1 0.592217 0.586145 1 1 0.588479 0.582445 survival probability at weaning
S_p - 0.999992 0.999076 0.0567006 0.0535861 1 1 0.0566925 0.0535786 survival probability at puberty
theta_0b - 0.0038744 0.0037956 0.066735 0.0683447 0.0370153 0.0370134 0.0779769 0.079962 frac of ind that is embryo
theta_bx - 0.00387435 0.00379555 0.0511551 0.0521178 0.0356453 0.0356434 0.0595049 0.0607039 fraction of individuals that is baby
theta_xp - 0.222899 0.51916 0.220832 0.223077 0.564904 0.575944 0.241381 0.243898 fraction of individuals that is juvenile
theta_pi - 0.769353 0.473249 0.661278 0.656461 0.362435 0.3514 0.621138 0.615436 frac of ind that is adult
L_bi cm 35.3339 36.2245 33.4861 34.2275 30.3028 30.9317 33.0826 33.784 mean structural length of post-natals
L2_bi cm^2 1263.46 1328.03 1211 1268.37 999.83 1043.87 1198.12 1253.34 mean squared structural length of post-natals
L3_bi cm^3 45452.1 48981.3 45232.5 48571.1 34645.1 37027.8 45095.7 48360 mean cubed structural length of post-natals
Ww_bi g 79254 86321.8 81018.1 87962.4 62475.1 67518.1 81320.7 88181.8 mean wet weight of post-natals
L_pi cm 36.502 37.425 38.6934 39.6737 38.5326 39.5317 39.2228 40.2181 mean structural length of adults
L2_pi cm^2 1332.4 1400.63 1497.34 1574.15 1485.56 1563.52 1538.72 1617.77 mean squared structural length of adults
L3_pi cm^3 48635.2 52418.6 57949.4 62464 57303.1 61869 60375 65085.3 mean cubed structural length of adults
Ww_pi g 84804.4 92379.5 103796 113122 103334 112815 108874 118679 mean wet weight of adults
R 1/d 0.000109527 8.73509e-08 0.00219023 0.00222503 0.00217545 0.0022264 0.00272294 0.00279527 mean reproduction rate of adults
J_X g/d 694.413 748.218 708.063 760.215 593.564 635.26 711.281 762.734 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 0.047771 0.0477053 0.00186867 0.00186875 yield of living structure on food
Y_VX_d mol/mol 0.00591671 0.00579429 0.0163294 0.0160628 3.32074e-05 2.88325e-05 0.0174225 0.017159 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.0383739 0.0392827 0.00150108 0.00153881 yield of living reserve on food
Y_EX_d mol/mol 0.00440015 0.00441723 0.012919 0.013027 2.66751e-05 2.3742e-05 0.0139953 0.0141295 yield of dead reserve on food
Y_CX mol/mol 0.814285 0.814382 0.796773 0.79692 0.744089 0.743316 0.79165 0.791734 yield of CO2 on food
Y_HX mol/mol 0.694465 0.694548 0.67953 0.679656 0.634598 0.633939 0.675161 0.675233 yield of H2O on food
Y_OX mol/mol -0.957335 -0.95745 -0.936747 -0.93692 -0.874807 -0.873898 -0.930723 -0.930823 yield of O2 on food
Y_NX mol/mol 0.0660231 0.066031 0.0646032 0.0646151 0.0603315 0.0602688 0.0641878 0.0641947 yield of N-waste on food
mu_TX J/mol 459067 459118 449348 449421 420117 419662 446500 446537 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