Geochelone elegans: Population traits

at T = 29 °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 - 0.58092 0.58092 0.630551 0.630551 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.000968429 0.000968429 0.000357226 0.000357226 spec pop growth rate
t2 d NaN NaN NaN NaN 715.744 715.744 1940.36 1940.36 population doubling time
a_b d 151.837 162.312 149.747 160.114 138.525 148.177 138.525 148.177 age at birth
t_p d 13592.9 1.0086e+23 9231.12 1.0086e+23 3620.71 4925.97 3620.71 4925.97 time since birth at puberty
S_b - 0.999974 0.999954 0.999975 0.999956 0.99998 0.999964 0.99998 0.999964 survival probability at birth
S_p - 0.999844 0.999712 0.78147 0.853981 0.999885 0.999786 0.690878 0.7693 survival probability at puberty
theta_0b - 0.013935 0.0179496 0.0875485 0.0636131 0.125926 0.134447 0.216887 0.175738 frac of ind that is embryo
theta_bp - 0.0139611 0.0179956 0.0774652 0.0588966 0.110256 0.116665 0.171867 0.146491 fraction of individuals that is juvenile
theta_pi - 0.972104 0.964055 0.834986 0.87749 0.763818 0.748888 0.611246 0.677772 frac of ind that is adult
L_bi cm 8.02784 5.49522 6.67436 5.13614 6.00982 4.80964 5.54263 4.85293 mean structural length of post-natals
L2_bi cm^2 68.3534 31.4063 52.0404 28.5173 42.8789 25.7932 39.2081 27.3917 mean squared structural length of post-natals
L3_bi cm^3 603.831 184.775 449.958 168.198 355.772 153.636 348.996 179.027 mean cubed structural length of post-natals
Ww_bi g 744.205 213.625 563.497 196.702 498.145 194.928 488.657 227.143 mean wet weight of post-natals
L_pi cm 8.10147 5.54495 7.02354 5.29015 6.44181 5.10299 6.25645 5.27047 mean structural length of adults
L2_pi cm^2 69.214 31.8429 56.0814 29.8892 47.7506 28.4753 47.688 31.4652 mean squared structural length of adults
L3_pi cm^3 612.151 187.8 489.406 177.945 403.129 173.648 439.438 212.31 mean cubed structural length of adults
Ww_pi g 754.459 217.122 612.899 208.101 564.453 220.319 615.292 269.373 mean wet weight of adults
R 1/d 0 0 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 1.88607 0.582023 1.55863 0.573635 2.03669 0.822834 1.86233 0.873827 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 0.169167 0.180821 0.0669432 0.0731872 yield of living structure on food
Y_VX_d mol/mol 0.0444489 0.0513361 0.0793458 0.0844652 0.00223944 0.00352203 0.105667 0.103814 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.0676968 0.0485988 0.0267892 0.0196704 yield of living reserve on food
Y_EX_d mol/mol 0.0103331 0.00801526 0.0200216 0.0143145 0.000896174 0.000946609 0.0422854 0.0279019 yield of dead reserve on food
Y_CX mol/mol 0.679122 0.67541 0.642897 0.643374 0.528633 0.533599 0.527264 0.541167 yield of CO2 on food
Y_HX mol/mol 0.722076 0.718128 0.683559 0.684066 0.562068 0.567348 0.560613 0.575395 yield of H2O on food
Y_OX mol/mol -0.861963 -0.857251 -0.815984 -0.81659 -0.670958 -0.67726 -0.66922 -0.686866 yield of O2 on food
Y_NX mol/mol 0.156721 0.155864 0.148361 0.148471 0.121992 0.123138 0.121676 0.124885 yield of N-waste on food
mu_TX J/mol 436944 434817 414575 415149 343118 347070 342266 351740 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