Varanus juxtindicus: Population traits

at T = 28.5 °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_minf f_max date: 2022/12/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.525175 0.552606 0.776303 0.776303 1 1 scaled functional response
r 1/d 0 0 0.00148918 0.000380253 0.00205459 0.000509665 spec pop growth rate
t2 d NaN NaN 465.456 1822.86 337.365 1360 population doubling time
a_b d 168.056 166.896 160.015 160.015 155.807 155.807 age at birth
t_p d 3772.4 2206.96 963.263 963.263 728.148 728.148 time since birth at puberty
S_b - 0.999996 0.999997 0.999997 0.999997 0.999997 0.999997 survival probability at birth
S_p - 0.999978 0.513369 0.999982 0.440811 0.999984 0.399525 survival probability at puberty
theta_0b - 0.0164649 0.116622 0.212121 0.326927 0.273965 0.395538 frac of ind that is embryo
theta_bp - 0.0164701 0.082672 0.167175 0.202952 0.198941 0.230064 fraction of individuals that is juvenile
theta_pi - 0.967065 0.800706 0.620704 0.470121 0.527095 0.374399 frac of ind that is adult
L_bi cm 5.67325 5.4129 4.72362 4.88019 4.72585 4.83383 mean structural length of post-natals
L2_bi cm^2 32.7384 31.1671 25.5425 29.2075 26.4553 30.7649 mean squared structural length of post-natals
L3_bi cm^3 190.811 185.555 153.172 200.665 169.969 240.003 mean cubed structural length of post-natals
Ww_bi g 432.835 433.207 440.36 576.896 580.479 819.66 mean wet weight of post-natals
L_pi cm 5.72964 5.73043 5.328 5.93961 5.5474 6.2776 mean structural length of adults
L2_pi cm^2 33.2001 33.8157 30.7432 39.2396 33.9457 45.8101 mean squared structural length of adults
L3_pi cm^3 193.83 203.358 190.152 280.864 227.547 377.555 mean cubed structural length of adults
Ww_pi g 439.685 474.77 546.673 807.464 777.117 1289.43 mean wet weight of adults
R 1/d 0 0 0.000351458 0.00282867 0.00180667 0.00549928 mean reproduction rate of adults
J_X g/d 2.37244 2.37654 2.73607 3.12866 3.65044 4.24511 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 yield of faeces on food
Y_VX mol/mol 0 0 0.0833682 0.0243885 0.0956646 0.0288147 yield of living structure on food
Y_VX_d mol/mol 0.0090475 0.0194732 0.00016916 0.0381427 7.92389e-05 0.0448463 yield of dead structure on food
Y_EX mol/mol 0 0 0.156309 0.0457266 0.231049 0.0695932 yield of living reserve on food
Y_EX_d mol/mol 0.0114759 0.02599 0.000317162 0.0715147 0.000191378 0.108313 yield of dead reserve on food
Y_CX mol/mol 0.706958 0.686694 0.5285 0.577568 0.457958 0.519235 yield of CO2 on food
Y_HX mol/mol 0.751671 0.730126 0.561926 0.614098 0.486923 0.552075 yield of H2O on food
Y_OX mol/mol -0.897292 -0.871573 -0.670788 -0.733067 -0.581255 -0.659029 yield of O2 on food
Y_NX mol/mol 0.163144 0.158468 0.121962 0.133285 0.105683 0.119823 yield of N-waste on food
mu_TX J/mol 453703 440736 338635 370247 292289 331974 yield of heat on food

Remarks

  • Reprod-code O applies. Sex ratio is assumed to be 1:1. Parameters of male and female are the same.
  • Buffer handling rule: release each egg as soon as reproduction buffer allows
  • Weights of adults do not include reproduction buffer