Varanus komodoensis: Population traits

at T = 25 °C with background hazards for embryo, juv, adult: 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 std f_min f_max date: 2022/12/20
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.595141 0.595141 0.633712 0.633712 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00170537 0.00170537 0.000253822 0.000253822 spec pop growth rate
t2 d NaN NaN NaN NaN 406.451 406.451 2730.84 2730.84 population doubling time
a_b d 78.9403 79.4751 78.1278 78.6511 72.7753 73.2117 72.7753 73.2117 age at birth
t_p d 7011.73 2.96336e+22 3212.81 2.96336e+22 1152.25 2132.93 1152.25 2132.93 time since birth at puberty
S_b - 1 1 1 1 1 1 1 1 survival probability at birth
S_p - 0.999999 0.999999 0.583561 0.592209 0.999999 0.999999 0.494523 0.501789 survival probability at puberty
theta_0b - 0.00414226 0.00422888 0.093934 0.0898798 0.116667 0.117323 0.272403 0.26626 frac of ind that is embryo
theta_bp - 0.00414589 0.00423271 0.0716136 0.0690323 0.103106 0.10361 0.187808 0.184895 fraction of individuals that is juvenile
theta_pi - 0.991712 0.991538 0.834452 0.841088 0.780227 0.779067 0.53979 0.548845 frac of ind that is adult
L_bi cm 20.318 19.5156 17.6659 17.1296 13.1495 12.83 13.2816 13.14 mean structural length of post-natals
L2_bi cm^2 421.522 388.761 361.29 337.077 221.136 209.293 280.912 270.357 mean squared structural length of post-natals
L3_bi cm^3 8831.5 7820.61 7804.22 6993.65 4415.62 4042.11 7648.63 7102.53 mean cubed structural length of post-natals
Ww_bi g 12605.6 11029.8 11355.5 10049.5 7586.33 6829.13 13140.9 11999.7 mean wet weight of post-natals
L_pi cm 20.3848 19.5804 18.8112 18.182 14.2828 13.9306 16.339 16.0579 mean structural length of adults
L2_pi cm^2 423.205 390.341 390.684 363.212 247.566 234.342 371.549 354.611 mean squared structural length of adults
L3_pi cm^3 8868.08 7853.65 8466.93 7560.98 4986.12 4566.76 10277.2 9464.07 mean cubed structural length of adults
Ww_pi g 12657.9 11076.4 12319.8 10864.7 8566.48 7715.51 17657 15989.5 mean wet weight of adults
R 1/d 0 0 0 0 0 0 0.00243278 0 mean reproduction rate of adults
J_X g/d 46.8915 41.5264 42.7959 38.3392 41.3345 37.5644 52.5078 48.5244 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 0.182178 0.183506 0.0369734 0.0371521 yield of living structure on food
Y_VX_d mol/mol 0.0110772 0.0112306 0.0270515 0.0272935 4.46735e-05 4.68644e-05 0.0669587 0.0670201 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.130816 0.126526 0.0265493 0.0256162 yield of living reserve on food
Y_EX_d mol/mol 0.00473385 0.00460844 0.0123097 0.0119257 3.20785e-05 3.23128e-05 0.0480808 0.0462101 yield of dead reserve on food
Y_CX mol/mol 0.710786 0.710764 0.691652 0.691767 0.469263 0.471667 0.578551 0.580634 yield of CO2 on food
Y_HX mol/mol 0.755742 0.755718 0.735397 0.73552 0.498942 0.501499 0.615143 0.617358 yield of H2O on food
Y_OX mol/mol -0.902152 -0.902123 -0.877866 -0.878012 -0.595602 -0.598655 -0.734315 -0.736959 yield of O2 on food
Y_NX mol/mol 0.164028 0.164022 0.159612 0.159639 0.108291 0.108846 0.133512 0.133992 yield of N-waste on food
mu_TX J/mol 456353 456346 444415 444504 304137 305805 372972 374371 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