Heosemys spinosa: Population traits

at T = 26 °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: 2025/05/23
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.383787 0.383787 0.824483 0.824483 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.000666994 0.000666994 3.06592e-05 3.06592e-05 spec pop growth rate
t2 d NaN NaN NaN NaN 1039.21 1039.21 22608.2 22608.2 population doubling time
a_b d 232.31 235.469 204.151 206.837 197.85 200.388 197.85 200.388 age at birth
t_p d 1131.5 1303.91 425.198 461.375 352.763 380.059 352.763 380.059 time since birth at puberty
S_b - 0.999956 0.999951 0.999969 0.999966 0.999972 0.999968 0.999972 0.999968 survival probability at birth
S_p - 0.999706 0.999665 0.658174 0.677216 0.999839 0.999817 0.613162 0.631333 survival probability at puberty
theta_0b - 0.0247508 0.0261565 0.130797 0.122747 0.124841 0.126475 0.16885 0.159287 frac of ind that is embryo
theta_bp - 0.0247909 0.0262018 0.105895 0.100823 0.109476 0.110725 0.131132 0.125531 fraction of individuals that is juvenile
theta_pi - 0.950458 0.947642 0.763309 0.776429 0.765683 0.7628 0.700018 0.715182 frac of ind that is adult
L_bi cm 4.73229 4.40746 7.48846 7.10809 6.89054 6.54691 7.97482 7.61997 mean structural length of post-natals
L2_bi cm^2 22.7558 19.6784 64.4824 57.1601 54.6183 48.7578 77.2565 69.1243 mean squared structural length of post-natals
L3_bi cm^3 110.815 88.7941 605.642 497.542 482.927 402.343 843.444 699.993 mean cubed structural length of post-natals
Ww_bi g 129.138 102.359 820.775 660.832 690.987 562.5 1206.83 978.632 mean wet weight of post-natals
L_pi cm 4.77674 4.44619 8.07656 7.6124 7.39882 7.0173 8.84847 8.38078 mean structural length of adults
L2_pi cm^2 23.11 19.9724 71.958 63.2282 60.8289 54.2415 89.6648 79.3543 mean squared structural length of adults
L3_pi cm^3 112.98 90.4967 684.852 557.756 546.59 455.43 994.541 816.55 mean cubed structural length of adults
Ww_pi g 131.661 104.322 928.121 740.808 782.079 636.719 1423.02 1141.59 mean wet weight of adults
R 1/d 0.000226418 0.0001666 0.00170063 0.00139309 0.0015736 0.00131917 0.00245881 0.00204359 mean reproduction rate of adults
J_X g/d 0.304927 0.243631 1.85625 1.5203 1.907 1.57289 2.69742 2.2299 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 0.168909 0.170617 0.00958666 0.00962429 yield of living structure on food
Y_VX_d mol/mol 0.0493182 0.0508576 0.0919694 0.0933283 0.00523189 0.00567724 0.0943855 0.0958546 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.0727712 0.0679155 0.00413024 0.00383104 yield of living reserve on food
Y_EX_d mol/mol 0.00815465 0.00776952 0.0326688 0.0306297 0.00225406 0.00225988 0.0406643 0.0381558 yield of dead reserve on food
Y_CX mol/mol 0.676936 0.675998 0.622364 0.622917 0.521186 0.523377 0.60276 0.603817 yield of CO2 on food
Y_HX mol/mol 0.719751 0.718754 0.661728 0.662315 0.554149 0.556479 0.640883 0.642007 yield of H2O on food
Y_OX mol/mol -0.859188 -0.857998 -0.789924 -0.790625 -0.661505 -0.664286 -0.765041 -0.766383 yield of O2 on food
Y_NX mol/mol 0.156216 0.156 0.143623 0.14375 0.120274 0.120779 0.139098 0.139342 yield of N-waste on food
mu_TX J/mol 435733 435185 401539 401975 338296 339863 389089 389868 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