Geronticus calvus: Population traits

at T = 40.6 °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: 2023/10/03
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.968394 0.992039 0.996019 0.996019 1 1 scaled functional response
r 1/d 0 0 0.00167773 4.36303e-05 0.00185352 8.35255e-05 spec pop growth rate
t2 d NaN NaN 413.145 15886.8 373.963 8298.63 population doubling time
a_b d 15.1201 15.098 15.0944 15.0944 15.0909 15.0909 age at birth
t_p d 298.446 178.328 171.69 171.69 165.947 165.947 time since birth at puberty
S_b - 1 1 1 1 1 1 survival probability at birth
S_p - 1 0.393497 1 0.392832 1 0.392173 survival probability at puberty
theta_0b - 0.00259146 0.0285751 0.025056 0.0325773 0.0276229 0.0364891 frac of ind that is embryo
theta_bp - 0.0025912 0.0175322 0.024427 0.0199596 0.0268583 0.0223262 fraction of individuals that is juvenile
theta_pi - 0.994817 0.953893 0.950517 0.947463 0.945519 0.941185 frac of ind that is adult
L_bi cm 4.67022 4.71117 4.55512 4.71513 4.54536 4.71918 mean structural length of post-natals
L2_bi cm^2 21.8576 22.4263 21.1662 22.4983 21.1174 22.571 mean squared structural length of post-natals
L3_bi cm^3 102.416 107.255 99.4431 107.929 99.3108 108.609 mean cubed structural length of post-natals
Ww_bi g 1045.9 1119.44 1041.67 1130.56 1044.05 1141.79 mean wet weight of post-natals
L_pi cm 4.67754 4.76467 4.62425 4.77652 4.62146 4.78838 mean structural length of adults
L2_pi cm^2 21.9054 22.7779 21.6191 22.9027 21.6166 23.028 mean squared structural length of adults
L3_pi cm^3 102.665 109.114 101.823 110.073 101.938 111.038 mean cubed structural length of adults
Ww_pi g 1048.45 1138.84 1066.6 1153.02 1071.66 1167.34 mean wet weight of adults
R 1/d 0 0.0030166 0 0.00348278 0 0.00394927 mean reproduction rate of adults
J_X g/d 81.343 85.4972 81.0168 86.1159 81.1531 86.7394 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 0.00205931 5.46818e-05 0.00226823 0.000104584 yield of living structure on food
Y_VX_d mol/mol 0.000219196 0.000535087 4.51237e-06 0.000555322 3.56628e-06 0.000578692 yield of dead structure on food
Y_EX mol/mol 0 0 0.0195121 0.000518113 0.0215775 0.000994902 yield of living reserve on food
Y_EX_d mol/mol 0.00201929 0.00504972 4.27549e-05 0.0052617 3.39257e-05 0.00550505 yield of dead reserve on food
Y_CX mol/mol 0.721814 0.719095 0.706068 0.718441 0.704228 0.717796 yield of CO2 on food
Y_HX mol/mol 0.768454 0.76556 0.75169 0.764863 0.749732 0.764177 yield of H2O on food
Y_OX mol/mol -0.916149 -0.912698 -0.896163 -0.911868 -0.893827 -0.911049 yield of O2 on food
Y_NX mol/mol 0.166572 0.165945 0.162939 0.165794 0.162514 0.165645 yield of N-waste on food
mu_TX J/mol 463151 461357 452762 460925 451547 460500 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