Python regius: Population traits

at T = 27 °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 - 0.498475 0.498475 0.506424 0.506424 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00280406 0.00280406 0.000921443 0.000921443 spec pop growth rate
t2 d NaN NaN NaN NaN 247.194 247.194 752.241 752.241 population doubling time
a_b d 145.105 147.418 144.749 147.046 131.902 133.501 131.902 133.501 age at birth
t_p d 2473.47 1.04222e+22 1845.37 1.04222e+22 380.982 423.146 380.982 423.146 time since birth at puberty
S_b - 0.999999 0.999999 0.999999 0.999999 1 1 1 1 survival probability at birth
S_p - 0.999996 0.999995 0.669471 0.709004 0.999998 0.999997 0.472635 0.494911 survival probability at puberty
theta_0b - 0.00954973 0.0100667 0.0323867 0.0284698 0.309132 0.312219 0.372893 0.356497 frac of ind that is embryo
theta_bp - 0.00955493 0.0100729 0.0262691 0.0237866 0.213603 0.214775 0.226224 0.2209 fraction of individuals that is juvenile
theta_pi - 0.980895 0.97986 0.941344 0.947744 0.477265 0.473006 0.400882 0.422603 frac of ind that is adult
L_bi cm 5.90396 5.35095 5.91334 5.38045 6.13454 5.84729 6.40041 6.19367 mean structural length of post-natals
L2_bi cm^2 34.9842 28.7142 35.2584 29.1175 41.8906 37.5674 47.8921 43.8968 mean squared structural length of post-natals
L3_bi cm^3 207.831 154.409 211.404 158.23 314.294 262.473 407.509 347.661 mean cubed structural length of post-natals
Ww_bi g 389.118 276.247 398.746 285.073 864.272 677.954 1120.6 897.99 mean wet weight of post-natals
L_pi cm 5.92697 5.37024 5.97991 5.42843 7.11758 6.74028 7.82439 7.4294 mean structural length of adults
L2_pi cm^2 35.2024 28.885 35.8938 29.5456 53.618 47.718 66.3362 59.0968 mean squared structural length of adults
L3_pi cm^3 209.419 155.562 216.065 161.146 426.676 354.305 603.416 499.111 mean cubed structural length of adults
Ww_pi g 392.09 278.309 407.539 290.327 1173.31 915.152 1659.33 1289.18 mean wet weight of adults
R 1/d 0 0 0.000111645 0 0.00456264 0.00337172 0.00702003 0.00546531 mean reproduction rate of adults
J_X g/d 3.50662 2.60357 3.59046 2.68224 8.42344 6.83346 9.63024 7.98477 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 0.104625 0.107704 0.0389914 0.0401201 yield of living structure on food
Y_VX_d mol/mol 0.00409661 0.00424034 0.00777982 0.00763472 8.51384e-06 9.71764e-06 0.0485272 0.0477376 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.183081 0.17049 0.0682306 0.0635081 yield of living reserve on food
Y_EX_d mol/mol 0.00357337 0.00334588 0.00689435 0.00612031 1.48983e-05 1.53825e-05 0.0849171 0.0755662 yield of dead reserve on food
Y_CX mol/mol 0.717401 0.717469 0.71171 0.712457 0.489853 0.49758 0.528091 0.539251 yield of CO2 on food
Y_HX mol/mol 0.762775 0.762847 0.756724 0.757518 0.520835 0.529051 0.561492 0.573357 yield of H2O on food
Y_OX mol/mol -0.910547 -0.910634 -0.903324 -0.904272 -0.621736 -0.631544 -0.67027 -0.684433 yield of O2 on food
Y_NX mol/mol 0.165554 0.16557 0.164241 0.164413 0.113043 0.114826 0.121867 0.124442 yield of N-waste on food
mu_TX J/mol 460407 460460 456803 457293 313964 319262 338562 346008 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